/* RocketPatent v1.1.0 - Main Stylesheet */

/* ========================================
   CSS Variables / Design Tokens
   ======================================== */
:root {
    /* Primary Colors */
    --primary-50: #eff6ff;
    --primary-100: #dbeafe;
    --primary-200: #bfdbfe;
    --primary-300: #93c5fd;
    --primary-400: #60a5fa;
    --primary-500: #3b82f6;
    --primary-600: #2563eb;
    --primary-700: #1d4ed8;
    --primary-800: #1e40af;
    --primary-900: #1e3a8a;

    /* Neutral Colors */
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-700: #374151;
    --gray-800: #1f2937;
    --gray-900: #111827;

    /* Semantic Colors */
    --success-500: #22c55e;
    --success-600: #16a34a;
    --warning-500: #f59e0b;
    --warning-600: #d97706;
    --error-500: #ef4444;
    --error-600: #dc2626;
    --info-500: #06b6d4;
    --info-600: #0891b2;

    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;

    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.375rem;
    --radius-lg: 0.5rem;
    --radius-xl: 0.75rem;
    --radius-2xl: 1rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;
}

/* ========================================
   Base Styles
   ======================================== */
*,
*::before,
*::after {
    box-sizing: border-box;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-sans);
    font-size: 1rem;
    line-height: 1.5;
    color: var(--gray-800);
    background-color: var(--gray-50);
    margin: 0;
    padding: 0;
}

/* ========================================
   Typography
   ======================================== */
h1, h2, h3, h4, h5, h6 {
    margin: 0 0 var(--spacing-md);
    font-weight: 600;
    line-height: 1.25;
    color: var(--gray-900);
}

h1 { font-size: 2.25rem; }
h2 { font-size: 1.875rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
    margin: 0 0 var(--spacing-md);
}

a {
    color: var(--primary-600);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--primary-700);
    text-decoration: underline;
}

code {
    font-family: var(--font-mono);
    font-size: 0.875em;
    background-color: var(--gray-100);
    padding: 0.125em 0.375em;
    border-radius: var(--radius-sm);
}

/* ========================================
   Layout Components
   ======================================== */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.container-fluid {
    padding: 0 var(--spacing-lg);
}

/* Sidebar Layout */
.app-layout {
    display: flex;
    min-height: 100vh;
}

/* Top Navbar (for authenticated users) */
.navbar {
    background: white;
    border-bottom: 1px solid var(--gray-200);
    padding: 0 1.5rem;
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
    max-width: 1400px;
    margin: 0 auto;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-600);
    text-decoration: none;
}

.navbar-brand .logo-icon {
    width: 28px;
    height: 28px;
}

.navbar-menu {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-link {
    padding: 0.5rem 1rem;
    color: var(--gray-600);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9375rem;
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.nav-link:hover {
    color: var(--gray-900);
    background: var(--gray-100);
    text-decoration: none;
}

.nav-link.active {
    color: var(--primary-600);
    background: var(--primary-50);
}

.nav-dropdown {
    position: relative;
}

.dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    background: none;
    border: none;
    cursor: pointer;
    font-family: inherit;
}

.dropdown-arrow {
    width: 16px;
    height: 16px;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 200px;
    background: white;
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    padding: 0.5rem;
    display: none;
    z-index: 200;
}

.dropdown-menu.right {
    left: auto;
    right: 0;
}

.nav-dropdown:hover .dropdown-menu,
.user-dropdown:hover .dropdown-menu {
    display: block;
}

.dropdown-menu a {
    display: block;
    padding: 0.5rem 0.75rem;
    color: var(--gray-700);
    text-decoration: none;
    border-radius: var(--radius-md);
    font-size: 0.9375rem;
}

.dropdown-menu a:hover {
    background: var(--gray-100);
}

.dropdown-menu a.danger {
    color: var(--error-500);
}

.dropdown-menu hr {
    border: none;
    border-top: 1px solid var(--gray-200);
    margin: 0.5rem 0;
}

.dropdown-header {
    padding: 0.5rem 0.75rem;
}

.dropdown-header strong {
    display: block;
    font-size: 0.9375rem;
}

.dropdown-header small {
    color: var(--gray-500);
    font-size: 0.8125rem;
}

.navbar-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.nav-icon-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    color: var(--gray-600);
    transition: all 0.2s;
}

.nav-icon-link:hover {
    background: var(--gray-100);
    color: var(--primary-600);
}

.tier-badge {
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.tier-badge.tier-free {
    background: var(--gray-100);
    color: var(--gray-600);
}

.tier-badge.tier-pro {
    background: var(--primary-100);
    color: var(--primary-700);
}

.tier-badge.tier-enterprise {
    background: linear-gradient(135deg, #fbbf24, #f59e0b);
    color: white;
}

.user-dropdown {
    position: relative;
}

.user-button {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.25rem;
    border-radius: var(--radius-full);
}

.user-button:hover {
    background: var(--gray-100);
}

.user-avatar {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    background: var(--primary-500);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.875rem;
}

/* Flash Messages */
.flash-container {
    position: fixed;
    top: 80px;
    right: 1.5rem;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.flash {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1rem 1.25rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    min-width: 300px;
    max-width: 400px;
    animation: slideIn 0.3s ease;
}

@keyframes slideIn {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.flash-success {
    background: #dcfce7;
    border: 1px solid #86efac;
    color: #166534;
}

.flash-error {
    background: #fef2f2;
    border: 1px solid #fecaca;
    color: #991b1b;
}

.flash-warning {
    background: #fef3c7;
    border: 1px solid #fcd34d;
    color: #92400e;
}

.flash-info {
    background: #dbeafe;
    border: 1px solid #93c5fd;
    color: #1e40af;
}

.flash-close {
    background: none;
    border: none;
    font-size: 1.25rem;
    cursor: pointer;
    opacity: 0.6;
    padding: 0;
    line-height: 1;
}

.flash-close:hover {
    opacity: 1;
}

/* Footer */
.footer {
    background: var(--gray-900);
    color: var(--gray-400);
    padding: 3rem 0;
    margin-top: auto;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 1.5rem;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: white;
    font-weight: 600;
}

.footer-brand .logo-icon {
    width: 24px;
    height: 24px;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    color: var(--gray-400);
    text-decoration: none;
    font-size: 0.9375rem;
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: white;
}

.footer-copyright {
    font-size: 0.875rem;
}

/* Sidebar Layout */

.sidebar {
    width: 260px;
    background-color: var(--gray-900);
    color: var(--gray-100);
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
    overflow-y: auto;
}

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.25rem;
    font-weight: 700;
    color: white;
    margin-bottom: var(--spacing-xl);
}

.sidebar-logo svg {
    width: 32px;
    height: 32px;
}

.sidebar-nav {
    flex: 1;
}

.sidebar-nav-section {
    margin-bottom: var(--spacing-lg);
}

.sidebar-nav-title {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--gray-500);
    margin-bottom: var(--spacing-sm);
}

.sidebar-nav-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    color: var(--gray-300);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    margin-bottom: 2px;
}

.sidebar-nav-item:hover {
    background-color: var(--gray-800);
    color: white;
    text-decoration: none;
}

.sidebar-nav-item.active {
    background-color: var(--primary-600);
    color: white;
}

.sidebar-nav-item svg {
    width: 20px;
    height: 20px;
    opacity: 0.8;
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: 260px;
    padding: var(--spacing-xl);
    background-color: var(--gray-50);
}

/* Page Header */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xl);
}

.page-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin: 0;
}

.page-subtitle {
    color: var(--gray-500);
    margin-top: var(--spacing-xs);
}

/* ========================================
   Card Component
   ======================================== */
.card {
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--gray-200);
    overflow: hidden;
}

.card-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin: 0;
}

.card-body {
    padding: var(--spacing-lg);
}

.card-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--gray-200);
    background-color: var(--gray-50);
}

/* ========================================
   Button Components
   ======================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
    font-weight: 500;
    line-height: 1.25;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn svg {
    width: 18px;
    height: 18px;
}

/* Button Variants */
.btn-primary {
    background-color: var(--primary-600);
    color: white;
}

.btn-primary:hover:not(:disabled) {
    background-color: var(--primary-700);
}

.btn-secondary {
    background-color: var(--gray-100);
    color: var(--gray-700);
    border: 1px solid var(--gray-300);
}

.btn-secondary:hover:not(:disabled) {
    background-color: var(--gray-200);
}

.btn-success {
    background-color: var(--success-500);
    color: white;
}

.btn-success:hover:not(:disabled) {
    background-color: var(--success-600);
}

.btn-danger {
    background-color: var(--error-500);
    color: white;
}

.btn-danger:hover:not(:disabled) {
    background-color: var(--error-600);
}

.btn-ghost {
    background-color: transparent;
    color: var(--gray-600);
}

.btn-ghost:hover:not(:disabled) {
    background-color: var(--gray-100);
}

/* Button Sizes */
.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.8125rem;
}

.btn-lg {
    padding: 0.875rem 1.75rem;
    font-size: 1rem;
}

/* ========================================
   Form Components
   ======================================== */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: var(--spacing-sm);
}

.form-label-required::after {
    content: ' *';
    color: var(--error-500);
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: 0.625rem 0.875rem;
    font-size: 0.9375rem;
    line-height: 1.5;
    color: var(--gray-800);
    background-color: white;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
    outline: none;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px var(--primary-100);
}

.form-input::placeholder {
    color: var(--gray-400);
}

.form-textarea {
    min-height: 120px;
    resize: vertical;
}

.form-help {
    font-size: 0.8125rem;
    color: var(--gray-500);
    margin-top: var(--spacing-xs);
}

.form-error {
    font-size: 0.8125rem;
    color: var(--error-500);
    margin-top: var(--spacing-xs);
}

/* ========================================
   Table Components
   ======================================== */
.table-container {
    overflow-x: auto;
}

.table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}

.table th,
.table td {
    padding: var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid var(--gray-200);
}

.table th {
    font-weight: 600;
    color: var(--gray-600);
    background-color: var(--gray-50);
}

.table tbody tr:hover {
    background-color: var(--gray-50);
}

/* ========================================
   Badge Component
   ======================================== */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.125rem 0.625rem;
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: var(--radius-full);
}

.badge-primary {
    background-color: var(--primary-100);
    color: var(--primary-700);
}

.badge-success {
    background-color: #dcfce7;
    color: var(--success-600);
}

.badge-warning {
    background-color: #fef3c7;
    color: var(--warning-600);
}

.badge-error {
    background-color: #fee2e2;
    color: var(--error-600);
}

.badge-gray {
    background-color: var(--gray-100);
    color: var(--gray-600);
}

/* ========================================
   Alert Component
   ======================================== */
.alert {
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
}

.alert svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    margin-top: 2px;
}

.alert-success {
    background-color: #dcfce7;
    color: var(--success-600);
    border: 1px solid #86efac;
}

.alert-warning {
    background-color: #fef3c7;
    color: var(--warning-600);
    border: 1px solid #fcd34d;
}

.alert-error {
    background-color: #fee2e2;
    color: var(--error-600);
    border: 1px solid #fca5a5;
}

.alert-info {
    background-color: #cffafe;
    color: var(--info-600);
    border: 1px solid #67e8f9;
}

/* ========================================
   Progress Components
   ======================================== */
.progress {
    height: 8px;
    background-color: var(--gray-200);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background-color: var(--primary-500);
    transition: width var(--transition-slow);
}

.progress-bar-success {
    background-color: var(--success-500);
}

.progress-bar-warning {
    background-color: var(--warning-500);
}

.progress-bar-striped {
    background-image: linear-gradient(
        45deg,
        rgba(255, 255, 255, 0.15) 25%,
        transparent 25%,
        transparent 50%,
        rgba(255, 255, 255, 0.15) 50%,
        rgba(255, 255, 255, 0.15) 75%,
        transparent 75%,
        transparent
    );
    background-size: 1rem 1rem;
    animation: progress-stripes 1s linear infinite;
}

@keyframes progress-stripes {
    from { background-position: 1rem 0; }
    to { background-position: 0 0; }
}

/* ========================================
   Modal Component
   ======================================== */
.modal-overlay {
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    max-width: 560px;
    width: 90%;
    max-height: 90vh;
    overflow: hidden;
    transform: translateY(20px);
    transition: transform var(--transition-base);
}

.modal-overlay.active .modal {
    transform: translateY(0);
}

.modal-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--gray-200);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    padding: var(--spacing-sm);
    cursor: pointer;
    color: var(--gray-400);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background-color: var(--gray-100);
    color: var(--gray-600);
}

.modal-body {
    padding: var(--spacing-lg);
    overflow-y: auto;
    max-height: calc(90vh - 140px);
}

.modal-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--gray-200);
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-sm);
}

/* ========================================
   Loading States
   ======================================== */
.spinner {
    width: 20px;
    height: 20px;
    border: 2px solid var(--gray-200);
    border-top-color: var(--primary-500);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.spinner-lg {
    width: 40px;
    height: 40px;
    border-width: 3px;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.skeleton {
    background: linear-gradient(
        90deg,
        var(--gray-200) 25%,
        var(--gray-100) 50%,
        var(--gray-200) 75%
    );
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s ease-in-out infinite;
    border-radius: var(--radius-sm);
}

@keyframes skeleton-loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* ========================================
   Project-Specific Components
   ======================================== */

/* Workflow Steps */
.workflow-steps {
    display: flex;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-xl);
}

.workflow-step {
    flex: 1;
    text-align: center;
    position: relative;
}

.workflow-step-number {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background-color: var(--gray-200);
    color: var(--gray-500);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.875rem;
    margin-bottom: var(--spacing-sm);
}

.workflow-step.active .workflow-step-number {
    background-color: var(--primary-500);
    color: white;
}

.workflow-step.completed .workflow-step-number {
    background-color: var(--success-500);
    color: white;
}

.workflow-step-label {
    font-size: 0.8125rem;
    color: var(--gray-500);
}

.workflow-step.active .workflow-step-label {
    color: var(--primary-600);
    font-weight: 500;
}

/* Claim Editor */
.claim-editor {
    font-family: var(--font-mono);
    font-size: 0.875rem;
    line-height: 1.75;
}

.claim-number {
    font-weight: 700;
    color: var(--primary-600);
}

.claim-dependency {
    color: var(--gray-500);
    font-style: italic;
}

.claim-limitation {
    margin-left: var(--spacing-lg);
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
}

.stat-card {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
}

.stat-label {
    font-size: 0.8125rem;
    color: var(--gray-500);
    margin-bottom: var(--spacing-xs);
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-900);
}

.stat-change {
    font-size: 0.8125rem;
    margin-top: var(--spacing-xs);
}

.stat-change.positive {
    color: var(--success-500);
}

.stat-change.negative {
    color: var(--error-500);
}

/* Prior Art Results */
.prior-art-result {
    padding: var(--spacing-lg);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    transition: border-color var(--transition-fast);
}

.prior-art-result:hover {
    border-color: var(--primary-300);
}

.prior-art-title {
    font-weight: 600;
    color: var(--gray-900);
    margin-bottom: var(--spacing-sm);
}

.prior-art-meta {
    display: flex;
    gap: var(--spacing-lg);
    font-size: 0.8125rem;
    color: var(--gray-500);
    margin-bottom: var(--spacing-sm);
}

.prior-art-abstract {
    font-size: 0.875rem;
    color: var(--gray-600);
    line-height: 1.6;
}

/* Examiner Profile */
.examiner-profile {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-xl);
}

.examiner-stats {
    display: grid;
    gap: var(--spacing-md);
}

.examiner-stat {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-md);
    background: var(--gray-50);
    border-radius: var(--radius-md);
}

/* ========================================
   Dashboard Styles
   ======================================== */
.dashboard-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: var(--spacing-xl);
}

.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xl);
}

.dashboard-header h1 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--gray-900);
    margin: 0;
}

.dashboard-actions {
    display: flex;
    gap: var(--spacing-md);
}

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.dashboard-card {
    background: white;
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
    overflow: hidden;
}

.dashboard-card .card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--gray-100);
}

.dashboard-card .card-header h2 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--gray-900);
    margin: 0;
}

.dashboard-card .card-content {
    padding: var(--spacing-lg);
}

/* Stat Icons */
.stat-card {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.stat-icon svg {
    width: 24px;
    height: 24px;
}

.stat-icon.blue {
    background: var(--primary-100);
    color: var(--primary-600);
}

.stat-icon.green {
    background: #dcfce7;
    color: var(--success-600);
}

.stat-icon.orange {
    background: #fef3c7;
    color: var(--warning-600);
}

.stat-icon.purple {
    background: #f3e8ff;
    color: #9333ea;
}

.stat-icon.teal {
    background: #ccfbf1;
    color: #0d9488;
}

.stat-icon.red {
    background: #fee2e2;
    color: var(--error-600);
}

.stat-content {
    display: flex;
    flex-direction: column;
}

/* Project List */
.project-list {
    display: flex;
    flex-direction: column;
}

.project-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    text-decoration: none;
    color: inherit;
    transition: background-color var(--transition-fast);
}

.project-item:hover {
    background: var(--gray-50);
}

.project-info h4 {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--gray-900);
    margin: 0 0 var(--spacing-xs) 0;
}

.project-meta {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

/* Office Action List */
.oa-list {
    display: flex;
    flex-direction: column;
}

.oa-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    text-decoration: none;
    color: inherit;
    transition: background-color var(--transition-fast);
}

.oa-item:hover {
    background: var(--gray-50);
}

.oa-info h4 {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--gray-900);
    margin: 0 0 var(--spacing-xs) 0;
}

.oa-deadline {
    font-size: 0.8125rem;
    color: var(--gray-500);
}

.oa-deadline.urgent {
    color: var(--error-500);
    font-weight: 500;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--gray-500);
}

.empty-state svg {
    width: 48px;
    height: 48px;
    margin-bottom: var(--spacing-md);
    opacity: 0.5;
}

.empty-state p {
    margin-bottom: var(--spacing-md);
}

/* Quick Actions */
.action-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.action-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    text-decoration: none;
    color: var(--gray-700);
    transition: background-color var(--transition-fast);
}

.action-item:hover {
    background: var(--gray-50);
}

.action-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.action-icon svg {
    width: 20px;
    height: 20px;
}

.action-icon.blue {
    background: var(--primary-100);
    color: var(--primary-600);
}

.action-icon.green {
    background: #dcfce7;
    color: var(--success-600);
}

.action-icon.orange {
    background: #fef3c7;
    color: var(--warning-600);
}

.action-icon.purple {
    background: #f3e8ff;
    color: #9333ea;
}

.action-icon.teal {
    background: #ccfbf1;
    color: #0d9488;
}

.action-icon.red {
    background: #fee2e2;
    color: var(--error-600);
}

.action-item span {
    font-size: 0.8125rem;
    font-weight: 500;
}

/* Usage Bars */
.usage-bars {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.usage-item {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.usage-label {
    display: flex;
    justify-content: space-between;
    font-size: 0.8125rem;
    color: var(--gray-600);
}

.usage-bar {
    height: 8px;
    background: var(--gray-200);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.usage-fill {
    height: 100%;
    background: var(--primary-500);
    border-radius: var(--radius-full);
    transition: width var(--transition-base);
}

.upgrade-prompt {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md);
    background: var(--primary-50);
    border-radius: var(--radius-md);
    text-align: center;
}

.upgrade-prompt p {
    font-size: 0.875rem;
    color: var(--gray-600);
    margin-bottom: var(--spacing-sm);
}

/* Status Badges */
.status-badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.75rem;
    font-weight: 500;
    border-radius: var(--radius-full);
    text-transform: capitalize;
}

.status-badge.status-draft {
    background: var(--gray-100);
    color: var(--gray-600);
}

.status-badge.status-in_progress {
    background: var(--primary-100);
    color: var(--primary-700);
}

.status-badge.status-review {
    background: #fef3c7;
    color: var(--warning-600);
}

.status-badge.status-complete {
    background: #dcfce7;
    color: var(--success-600);
}

.status-badge.status-filed {
    background: #f3e8ff;
    color: #9333ea;
}

/* ========================================
   Page Container & Forms
   ======================================== */
.page-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-xl);
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-xl);
}

.page-header h1 {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--gray-900);
    margin: 0 0 var(--spacing-xs) 0;
}

.page-actions {
    display: flex;
    gap: var(--spacing-md);
}

.breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.875rem;
    margin-bottom: var(--spacing-sm);
}

.breadcrumb a {
    color: var(--primary-600);
    text-decoration: none;
}

.breadcrumb span {
    color: var(--gray-400);
}

/* Form Styles */
.form-card {
    background: white;
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
    padding: var(--spacing-xl);
    max-width: 640px;
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: var(--spacing-sm);
}

.form-control {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.9375rem;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px var(--primary-100);
}

textarea.form-control {
    resize: vertical;
    min-height: 120px;
}

select.form-control {
    cursor: pointer;
}

.form-help {
    display: block;
    font-size: 0.8125rem;
    color: var(--gray-500);
    margin-top: var(--spacing-xs);
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-md);
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--gray-200);
}

/* Projects Grid */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.project-card {
    background: white;
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
    padding: var(--spacing-lg);
    text-decoration: none;
    color: inherit;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.project-card:hover {
    border-color: var(--primary-300);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.project-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.project-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--gray-900);
    margin: 0 0 var(--spacing-xs) 0;
}

.project-card .text-muted {
    font-size: 0.875rem;
    margin: 0;
}

.project-card-footer {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--gray-100);
    font-size: 0.8125rem;
}

.project-card-footer svg {
    vertical-align: middle;
}

.project-type {
    font-size: 0.75rem;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Empty State Large */
.empty-state-large {
    text-align: center;
    padding: var(--spacing-xl) * 2;
    color: var(--gray-500);
}

.empty-state-large svg {
    width: 64px;
    height: 64px;
    margin-bottom: var(--spacing-lg);
    opacity: 0.4;
}

.empty-state-large h2 {
    font-size: 1.25rem;
    color: var(--gray-700);
    margin-bottom: var(--spacing-sm);
}

.empty-state-large p {
    margin-bottom: var(--spacing-lg);
}

/* Project View Layout */
.project-layout {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: var(--spacing-xl);
}

.project-sidebar {
    position: sticky;
    top: var(--spacing-xl);
    height: fit-content;
}

.project-nav {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.project-nav-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    color: var(--gray-600);
    text-decoration: none;
    font-size: 0.875rem;
    transition: background-color var(--transition-fast), color var(--transition-fast);
}

.project-nav-item svg {
    width: 18px;
    height: 18px;
}

.project-nav-item:hover {
    background: var(--gray-100);
    color: var(--gray-900);
}

.project-nav-item.active {
    background: var(--primary-50);
    color: var(--primary-700);
}

.project-content {
    min-width: 0;
}

.project-section {
    background: white;
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
    margin-bottom: var(--spacing-lg);
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--gray-100);
}

.section-header h2 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--gray-900);
    margin: 0;
}

.section-content {
    padding: var(--spacing-lg);
}

.empty-section {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--gray-500);
}

.empty-section p {
    margin: 0;
}

.project-meta-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-sm);
}

/* Specification Sections */
.specification-sections {
    padding: var(--spacing-lg);
}

.spec-section {
    margin-bottom: var(--spacing-xl);
}

.spec-section:last-child {
    margin-bottom: 0;
}

.spec-section h3 {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-700);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-md);
}

.spec-section p {
    color: var(--gray-600);
    line-height: 1.7;
    white-space: pre-wrap;
}

/* Claims List */
.claims-list {
    padding: var(--spacing-lg);
}

.claim-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--gray-100);
}

.claim-item:last-child {
    border-bottom: none;
}

.claim-number {
    font-weight: 600;
    color: var(--gray-500);
    min-width: 24px;
}

.claim-text {
    color: var(--gray-700);
    line-height: 1.6;
}

/* Figures Grid */
.figures-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    padding: var(--spacing-lg);
}

.figure-item {
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    overflow: hidden;
    background: white;
    transition: box-shadow var(--transition-fast);
}

.figure-item:hover {
    box-shadow: var(--shadow-md);
}

.figure-item img {
    width: 100%;
    height: 250px;
    object-fit: contain;
    background: var(--gray-50);
    border-bottom: 1px solid var(--gray-200);
}

.figure-placeholder {
    width: 100%;
    height: 250px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    background: var(--gray-50);
    border-bottom: 1px solid var(--gray-200);
    color: var(--gray-400);
}

.figure-placeholder svg {
    width: 48px;
    height: 48px;
}

.figure-placeholder span {
    font-size: 0.875rem;
}

.figure-placeholder.error {
    background: rgba(239, 68, 68, 0.05);
    color: var(--error-500);
}

.figure-details {
    padding: var(--spacing-md);
}

.figure-caption {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--gray-800);
    margin: 0 0 var(--spacing-sm);
}

.figure-description {
    font-size: 0.8rem;
    color: var(--gray-600);
    line-height: 1.5;
    margin: 0 0 var(--spacing-sm);
}

.reference-numerals {
    margin-top: var(--spacing-sm);
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--gray-200);
}

.reference-numerals strong {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: var(--gray-500);
}

.reference-numerals ul {
    list-style: none;
    padding: 0;
    margin: var(--spacing-xs) 0 0;
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.reference-numerals li {
    font-size: 0.75rem;
    color: var(--gray-600);
    background: var(--gray-100);
    padding: 2px 8px;
    border-radius: var(--radius-sm);
}

.reference-numerals .ref-num {
    font-weight: 600;
    color: var(--primary-600);
}

/* Spinner */
.spinner {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid currentColor;
    border-right-color: transparent;
    border-radius: 50%;
    animation: spin 0.75s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ========================================
   Patentability Analysis Section
   ======================================== */
.analysis-results {
    padding: var(--spacing-lg);
}

.assessment-section {
    margin-bottom: var(--spacing-xl);
}

.assessment-section h4 {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--gray-200);
}

.assessment-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.assessment-item {
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    background: var(--gray-50);
    border-left: 4px solid var(--gray-300);
}

.assessment-item.positive {
    background: #f0fdf4;
    border-left-color: var(--success-500);
}

.assessment-item.warning {
    background: #fffbeb;
    border-left-color: var(--warning-500);
}

.assessment-item.negative {
    background: #fef2f2;
    border-left-color: var(--error-500);
}

.assessment-label {
    display: block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--gray-500);
    margin-bottom: var(--spacing-xs);
}

.assessment-score {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-800);
    margin-bottom: var(--spacing-sm);
}

.assessment-item.positive .assessment-score {
    color: var(--success-600);
}

.assessment-item.warning .assessment-score {
    color: var(--warning-600);
}

.assessment-item.negative .assessment-score {
    color: var(--error-600);
}

.assessment-detail {
    font-size: 0.875rem;
    color: var(--gray-600);
    line-height: 1.5;
    margin: 0;
}

.recommendation-list,
.concern-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.recommendation-list li {
    padding: var(--spacing-sm) 0;
    padding-left: var(--spacing-lg);
    position: relative;
    border-bottom: 1px solid var(--gray-100);
}

.recommendation-list li:last-child {
    border-bottom: none;
}

.recommendation-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--primary-500);
    font-weight: 600;
}

.concern-list li {
    padding: var(--spacing-sm) var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    background: #fef2f2;
    border-radius: var(--radius-md);
    border-left: 3px solid var(--error-500);
    font-size: 0.875rem;
    color: var(--gray-700);
}

.fto-section {
    background: #fef2f2;
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 1px solid #fecaca;
}

.fto-section h4 {
    color: var(--error-600);
    border-bottom-color: #fecaca;
}

.fto-section .concern-list li {
    background: white;
}

/* Prior Art List */
.prior-art-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.prior-art-item {
    padding: var(--spacing-md);
    background: var(--gray-50);
    border-radius: var(--radius-md);
    border: 1px solid var(--gray-200);
}

.prior-art-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-xs);
}

.prior-art-header strong {
    font-size: 0.875rem;
    color: var(--gray-800);
    flex: 1;
}

.prior-art-source {
    font-size: 0.75rem;
    padding: 2px 8px;
    background: var(--primary-100);
    color: var(--primary-700);
    border-radius: var(--radius-full);
    text-transform: uppercase;
    font-weight: 500;
}

.prior-art-number {
    font-size: 0.8125rem;
    font-family: var(--font-mono);
    color: var(--gray-500);
}

.prior-art-abstract {
    font-size: 0.8125rem;
    color: var(--gray-600);
    margin-top: var(--spacing-sm);
    line-height: 1.5;
}

.feature-list {
    list-style: none;
    padding: 0;
    margin: var(--spacing-md) 0 0 0;
}

.feature-list li {
    padding: var(--spacing-xs) 0;
    padding-left: var(--spacing-lg);
    position: relative;
    font-size: 0.875rem;
    color: var(--gray-600);
}

.feature-list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success-500);
}

/* ========================================
   Multi-AI Review Section
   ======================================== */
.review-container {
    padding: var(--spacing-lg);
}

.review-summary {
    display: flex;
    justify-content: center;
    margin-bottom: var(--spacing-xl);
}

.consensus-badge {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--spacing-lg) var(--spacing-2xl);
    border-radius: var(--radius-xl);
    background: var(--gray-100);
}

.consensus-badge.high {
    background: #f0fdf4;
    border: 2px solid var(--success-500);
}

.consensus-badge.medium {
    background: #fffbeb;
    border: 2px solid var(--warning-500);
}

.consensus-badge.low {
    background: #fef2f2;
    border: 2px solid var(--error-500);
}

.consensus-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--gray-500);
    margin-bottom: var(--spacing-xs);
}

.consensus-score {
    font-size: 2rem;
    font-weight: 700;
    color: var(--gray-800);
}

.consensus-badge.high .consensus-score {
    color: var(--success-600);
}

.consensus-badge.medium .consensus-score {
    color: var(--warning-600);
}

.consensus-badge.low .consensus-score {
    color: var(--error-600);
}

.review-panels {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.review-panel {
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.review-panel .panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--gray-50);
    border-bottom: 1px solid var(--gray-200);
}

.review-panel .panel-header h4 {
    margin: 0;
    font-size: 0.9375rem;
    font-weight: 600;
}

.claude-panel .panel-header {
    background: #fef7f0;
    border-bottom-color: #fed7aa;
}

.claude-panel .panel-header h4 {
    color: #c2410c;
}

.gpt-panel .panel-header {
    background: #f0fdf4;
    border-bottom-color: #bbf7d0;
}

.gpt-panel .panel-header h4 {
    color: #15803d;
}

.gemini-panel .panel-header {
    background: #eff6ff;
    border-bottom-color: #bfdbfe;
}

.gemini-panel .panel-header h4 {
    color: #1d4ed8;
}

.panel-score {
    font-weight: 700;
    font-size: 1.125rem;
    color: var(--gray-700);
}

.panel-content {
    padding: var(--spacing-lg);
}

.review-section {
    margin-bottom: var(--spacing-lg);
}

.review-section:last-child {
    margin-bottom: 0;
}

.review-section h5 {
    font-size: 0.8125rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--gray-500);
    margin: 0 0 var(--spacing-sm) 0;
}

.review-section ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.review-section li {
    padding: var(--spacing-sm) 0;
    font-size: 0.875rem;
    color: var(--gray-700);
    border-bottom: 1px solid var(--gray-100);
}

.review-section li:last-child {
    border-bottom: none;
}

.strength-item::before {
    content: '+';
    display: inline-block;
    width: 16px;
    color: var(--success-500);
    font-weight: 700;
    margin-right: var(--spacing-sm);
}

.weakness-item::before {
    content: '-';
    display: inline-block;
    width: 16px;
    color: var(--error-500);
    font-weight: 700;
    margin-right: var(--spacing-sm);
}

.combined-recommendations {
    padding: var(--spacing-lg);
    background: var(--primary-50);
    border-radius: var(--radius-lg);
    border: 1px solid var(--primary-200);
}

.combined-recommendations h4 {
    margin: 0 0 var(--spacing-md) 0;
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--primary-700);
}

.combined-recommendations ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.combined-recommendations li {
    padding: var(--spacing-sm) 0;
    padding-left: var(--spacing-lg);
    position: relative;
    font-size: 0.875rem;
    color: var(--gray-700);
    border-bottom: 1px solid var(--primary-100);
}

.combined-recommendations li:last-child {
    border-bottom: none;
}

.combined-recommendations li::before {
    content: '★';
    position: absolute;
    left: 0;
    color: var(--primary-500);
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 1024px) {
    .sidebar {
        width: 80px;
        padding: var(--spacing-md);
    }
    
    .sidebar-logo span,
    .sidebar-nav-title,
    .sidebar-nav-item span {
        display: none;
    }
    
    .sidebar-nav-item {
        justify-content: center;
        padding: var(--spacing-md);
    }
    
    .main-content {
        margin-left: 80px;
    }
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        transition: transform var(--transition-base);
    }
    
    .sidebar.open {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-md);
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .examiner-profile {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   Utility Classes
   ======================================== */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--gray-500); }
.text-primary { color: var(--primary-600); }
.text-success { color: var(--success-500); }
.text-error { color: var(--error-500); }

.font-mono { font-family: var(--font-mono); }
.font-bold { font-weight: 700; }
.font-medium { font-weight: 500; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }

.p-0 { padding: 0; }
.p-1 { padding: var(--spacing-sm); }
.p-2 { padding: var(--spacing-md); }
.p-3 { padding: var(--spacing-lg); }
.p-4 { padding: var(--spacing-xl); }

.d-flex { display: flex; }
.d-grid { display: grid; }
.d-none { display: none; }
.d-block { display: block; }

.gap-1 { gap: var(--spacing-sm); }
.gap-2 { gap: var(--spacing-md); }
.gap-3 { gap: var(--spacing-lg); }

.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.align-center { align-items: center; }

.w-full { width: 100%; }
.h-full { height: 100%; }

.rounded { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-full { border-radius: var(--radius-full); }

.shadow { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }

.overflow-hidden { overflow: hidden; }
.overflow-auto { overflow: auto; }

.cursor-pointer { cursor: pointer; }
.select-none { user-select: none; }

/* ========================================
   Landing Page Styles
   ======================================== */

/* Landing Page Body */
.landing-page {
    background: var(--gray-50);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #1e3a5f 0%, #0f172a 100%);
    color: white;
    padding: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.hero-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 3rem;
    position: relative;
    z-index: 10;
}

.hero-nav .navbar-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    text-decoration: none;
}

.hero-nav .navbar-brand .logo-icon {
    width: 32px;
    height: 32px;
}

.hero-nav-links {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.hero-nav-links a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

.hero-nav-links a:hover {
    color: white;
}

.hero-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 4rem 2rem;
    max-width: 900px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 9999px;
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    margin-bottom: 2rem;
}

.badge-new {
    background: var(--primary-500);
    color: white;
    padding: 0.125rem 0.5rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: white;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.8);
    max-width: 600px;
    margin-bottom: 2.5rem;
    line-height: 1.6;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
}

.hero-stats {
    display: flex;
    gap: 3rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.hero-stats .stat {
    text-align: center;
}

.hero-stats .stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: white;
    display: block;
}

.hero-stats .stat-label {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
}

/* Features Section */
.features {
    padding: 6rem 0;
    background: white;
}

.features h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: var(--gray-900);
}

.section-subtitle {
    text-align: center;
    font-size: 1.125rem;
    color: var(--gray-500);
    max-width: 600px;
    margin: 0 auto 3rem;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.feature-card {
    background: var(--gray-50);
    border-radius: 1rem;
    padding: 2rem;
    position: relative;
    transition: all 0.3s;
    border: 1px solid var(--gray-200);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.feature-card.featured {
    background: linear-gradient(135deg, var(--primary-600) 0%, var(--primary-700) 100%);
    color: white;
    border: none;
}

.feature-card.featured h3,
.feature-card.featured p {
    color: white;
}

.feature-card.featured .feature-list li {
    color: rgba(255, 255, 255, 0.9);
}

.feature-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--success-500);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
}

.feature-card.featured .feature-badge {
    background: rgba(255, 255, 255, 0.2);
}

.feature-icon {
    width: 48px;
    height: 48px;
    background: var(--primary-100);
    border-radius: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.feature-icon svg {
    width: 24px;
    height: 24px;
    stroke: var(--primary-600);
}

.feature-card.featured .feature-icon {
    background: rgba(255, 255, 255, 0.2);
}

.feature-card.featured .feature-icon svg {
    stroke: white;
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--gray-900);
}

.feature-card p {
    color: var(--gray-600);
    font-size: 0.9375rem;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.feature-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.feature-list li {
    padding: 0.375rem 0;
    font-size: 0.875rem;
    color: var(--gray-600);
    position: relative;
    padding-left: 1.25rem;
}

.feature-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--success-500);
    font-weight: 600;
}

.feature-card.featured .feature-list li::before {
    color: rgba(255, 255, 255, 0.8);
}

/* Pricing Section */
.pricing {
    padding: 6rem 0;
    background: var(--gray-50);
}

.pricing h2 {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: var(--gray-900);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.pricing-card {
    background: white;
    border-radius: 1rem;
    padding: 2.5rem;
    border: 1px solid var(--gray-200);
    position: relative;
    transition: all 0.3s;
}

.pricing-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.pricing-card.featured {
    background: linear-gradient(135deg, var(--primary-600) 0%, var(--primary-700) 100%);
    color: white;
    transform: scale(1.05);
    border: none;
}

.pricing-card.featured:hover {
    transform: scale(1.05) translateY(-4px);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--success-500);
    color: white;
    padding: 0.375rem 1rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
}

.pricing-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.pricing-card.featured h3 {
    color: white;
}

.price {
    margin-bottom: 1rem;
}

.price-amount {
    font-size: 3rem;
    font-weight: 800;
    color: var(--gray-900);
}

.pricing-card.featured .price-amount {
    color: white;
}

.price-period {
    font-size: 1rem;
    color: var(--gray-500);
}

.pricing-card.featured .price-period {
    color: rgba(255, 255, 255, 0.8);
}

.price-description {
    font-size: 0.9375rem;
    color: var(--gray-500);
    margin-bottom: 1.5rem;
}

.pricing-card.featured .price-description {
    color: rgba(255, 255, 255, 0.8);
}

.pricing-features {
    list-style: none;
    padding: 0;
    margin: 0 0 2rem;
}

.pricing-features li {
    padding: 0.5rem 0;
    font-size: 0.9375rem;
    color: var(--gray-600);
    border-bottom: 1px solid var(--gray-100);
}

.pricing-card.featured .pricing-features li {
    color: rgba(255, 255, 255, 0.9);
    border-color: rgba(255, 255, 255, 0.1);
}

.pricing-features li:last-child {
    border-bottom: none;
}

/* CTA Section */
.cta {
    padding: 6rem 0;
    background: linear-gradient(135deg, var(--primary-600) 0%, var(--primary-700) 100%);
    text-align: center;
    color: white;
}

.cta h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: white;
}

.cta p {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 2rem;
}

/* Button Variants for Landing */
.btn-outline {
    background: transparent;
    border: 1px solid currentColor;
    color: inherit;
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* Button Group */
.btn-group {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.patentability-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.patentability-actions .btn-group {
    display: flex;
    gap: var(--spacing-sm);
}

/* Analysis Meta */
.analysis-meta {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--gray-200);
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    font-size: 0.875rem;
    color: var(--gray-500);
}

.analysis-source {
    margin: 0;
}

.analysis-source strong {
    color: var(--gray-700);
}

.btn-block {
    display: block;
    width: 100%;
    text-align: center;
}

.btn svg {
    width: 18px;
    height: 18px;
}

/* Auth Pages */
.auth-page {
    background: linear-gradient(135deg, #1e3a5f 0%, #0f172a 100%);
    min-height: 100vh;
}

.auth-container {
    display: flex;
    min-height: 100vh;
}

.auth-card {
    background: white;
    width: 100%;
    max-width: 480px;
    margin: auto;
    padding: 3rem;
    border-radius: 1rem;
    box-shadow: var(--shadow-xl);
}

.auth-header {
    text-align: center;
    margin-bottom: 2rem;
}

.auth-logo {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-600);
    text-decoration: none;
    margin-bottom: 1.5rem;
}

.auth-logo svg {
    width: 32px;
    height: 32px;
}

.auth-header h1 {
    font-size: 1.5rem;
    color: var(--gray-900);
    margin-bottom: 0.5rem;
}

.auth-header .text-muted {
    color: var(--gray-500);
    font-size: 0.9375rem;
}

.auth-form .form-group {
    margin-bottom: 1.25rem;
}

.auth-form label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--gray-700);
    margin-bottom: 0.5rem;
}

.auth-form input {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--gray-300);
    border-radius: 0.5rem;
    font-size: 1rem;
    transition: all 0.2s;
}

.auth-form input:focus {
    outline: none;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.auth-form .checkbox {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.auth-form .checkbox input {
    width: auto;
}

.auth-footer {
    text-align: center;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--gray-200);
}

.auth-footer p {
    color: var(--gray-600);
    font-size: 0.9375rem;
}

.auth-features {
    display: none;
}

.alert {
    padding: 1rem;
    border-radius: 0.5rem;
    margin-bottom: 1rem;
    font-size: 0.9375rem;
}

.alert-error {
    background: #fef2f2;
    border: 1px solid #fecaca;
    color: #991b1b;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.alert-error svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.float-right {
    float: right;
}

/* Responsive Landing */
@media (max-width: 1024px) {
    .feature-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
    }
    
    .pricing-card.featured {
        transform: none;
    }
    
    .pricing-card.featured:hover {
        transform: translateY(-4px);
    }
}

@media (max-width: 768px) {
    .hero-nav {
        flex-direction: column;
        gap: 1rem;
        padding: 1rem;
    }
    
    .hero-nav-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: 1rem;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero-actions {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .feature-grid {
        grid-template-columns: 1fr;
    }
    
    .auth-card {
        margin: 1rem;
        padding: 2rem;
    }
}

/* ========================================
   Export Dropdown
   ======================================== */
.export-dropdown {
    position: relative;
    display: inline-block;
}

.export-dropdown .btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.export-dropdown .dropdown-arrow {
    width: 16px;
    height: 16px;
    transition: transform var(--transition-fast);
}

.export-dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: var(--spacing-xs);
    min-width: 280px;
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--gray-200);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all var(--transition-fast);
    z-index: 1000;
}

.export-dropdown-menu.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.export-dropdown-menu hr {
    margin: var(--spacing-xs) 0;
    border: none;
    border-top: 1px solid var(--gray-200);
}

.export-option {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    text-decoration: none;
    color: var(--gray-700);
    transition: background var(--transition-fast);
}

.export-option:hover {
    background: var(--gray-50);
}

.export-option:first-child {
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.export-option:last-child {
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

.export-option svg {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
    color: var(--primary-500);
}

.export-option-text {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.export-option-text strong {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-800);
}

.export-option-text span {
    font-size: 0.75rem;
    color: var(--gray-500);
}

/* ========================================
   Patentability Analysis Styles
   ======================================== */

/* Summary Section */
.summary-section {
    background: linear-gradient(135deg, var(--primary-50), var(--gray-50));
    border-left: 4px solid var(--primary-500);
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
}

.summary-text {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--gray-700);
    margin: 0;
}

/* Risk Score Cards */
.risk-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-md);
}

.risk-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--spacing-lg);
    border-radius: var(--radius-lg);
    background: white;
    border: 2px solid var(--gray-200);
    text-align: center;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.risk-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.risk-card.positive {
    border-color: var(--success-500);
    background: linear-gradient(to bottom, rgba(34, 197, 94, 0.05), white);
}

.risk-card.warning {
    border-color: var(--warning-500);
    background: linear-gradient(to bottom, rgba(245, 158, 11, 0.05), white);
}

.risk-card.negative {
    border-color: var(--error-500);
    background: linear-gradient(to bottom, rgba(239, 68, 68, 0.05), white);
}

.risk-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--gray-500);
    margin-bottom: var(--spacing-sm);
}

.risk-score {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--gray-800);
}

.risk-card.positive .risk-score { color: var(--success-600); }
.risk-card.warning .risk-score { color: var(--warning-600); }
.risk-card.negative .risk-score { color: var(--error-600); }

/* Detailed Assessment */
.assessment-details {
    display: grid;
    gap: var(--spacing-lg);
    margin-top: var(--spacing-md);
}

.detail-block {
    padding: var(--spacing-md);
    background: var(--gray-50);
    border-radius: var(--radius-md);
    border: 1px solid var(--gray-200);
}

.detail-block h5 {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: var(--spacing-sm);
}

.detail-block p {
    margin: 0;
    color: var(--gray-600);
    font-size: 0.9rem;
    line-height: 1.6;
}

.closest-art, .combinations {
    margin-top: var(--spacing-sm) !important;
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--gray-200);
    font-size: 0.85rem !important;
    color: var(--gray-500) !important;
}

/* FTO Blocks */
.fto-block {
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    border-radius: var(--radius-md);
    background: var(--gray-50);
    border: 1px solid var(--gray-200);
}

.fto-block:last-child {
    margin-bottom: 0;
}

.fto-block h5 {
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--gray-700);
}

.fto-block.warning-block {
    background: rgba(239, 68, 68, 0.05);
    border-color: rgba(239, 68, 68, 0.2);
}

.fto-block.warning-block h5 {
    color: var(--error-600);
}

.fto-block.positive-block {
    background: rgba(34, 197, 94, 0.05);
    border-color: rgba(34, 197, 94, 0.2);
}

.fto-block.positive-block h5 {
    color: var(--success-600);
}

/* Highlight List */
.highlight-list li {
    padding: var(--spacing-sm) var(--spacing-md);
    background: linear-gradient(90deg, rgba(59, 130, 246, 0.1), transparent);
    border-left: 3px solid var(--primary-500);
    margin-bottom: var(--spacing-sm);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

/* Source Breakdown */
.source-breakdown {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.source-badge {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    border: 1px solid var(--gray-200);
    background: white;
    min-width: 120px;
}

.source-badge.active {
    border-color: var(--success-500);
    background: rgba(34, 197, 94, 0.05);
}

.source-badge.inactive {
    border-color: var(--gray-300);
    background: var(--gray-100);
    opacity: 0.7;
}

.source-name {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: var(--gray-600);
}

.source-badge.active .source-name {
    color: var(--success-700);
}

.source-count {
    font-size: 0.875rem;
    color: var(--gray-500);
}

.source-badge.active .source-count {
    color: var(--success-600);
    font-weight: 500;
}

/* Prior Art Enhancements */
.prior-art-source {
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    background: var(--gray-100);
    color: var(--gray-600);
}

.prior-art-source.google_patents {
    background: rgba(234, 67, 53, 0.1);
    color: #ea4335;
}

.prior-art-source.lens {
    background: rgba(66, 133, 244, 0.1);
    color: #4285f4;
}

.prior-art-source.espacenet {
    background: rgba(0, 99, 175, 0.1);
    color: #0063af;
}

.prior-art-source.uspto {
    background: rgba(0, 70, 127, 0.1);
    color: #00467f;
}

.prior-art-date {
    font-size: 0.8rem;
    color: var(--gray-500);
    margin-left: var(--spacing-sm);
}

.prior-art-assignee {
    display: block;
    font-size: 0.8rem;
    color: var(--gray-500);
    font-style: italic;
    margin-top: 4px;
}

.prior-art-link {
    display: inline-block;
    margin-top: var(--spacing-sm);
    font-size: 0.8rem;
    color: var(--primary-600);
    font-weight: 500;
}

.prior-art-link:hover {
    color: var(--primary-700);
}

/* Search Timestamp */
.search-timestamp {
    font-size: 0.8rem;
    color: var(--gray-400);
    text-align: right;
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--gray-200);
}

/* ========================================
   Patent Assistant Sidebar
   ======================================== */
.patent-assistant-sidebar {
    position: fixed;
    right: -400px;
    top: 0;
    width: 400px;
    height: 100vh;
    background: white;
    box-shadow: -4px 0 20px rgba(0, 0, 0, 0.15);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    transition: right 0.3s ease;
}

.patent-assistant-sidebar.open {
    right: 0;
}

.assistant-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) var(--spacing-lg);
    background: linear-gradient(135deg, var(--primary-600), var(--primary-700));
    color: white;
}

.assistant-title {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 600;
    font-size: 1.1rem;
}

.assistant-title svg {
    width: 24px;
    height: 24px;
}

.assistant-close {
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0;
    line-height: 1;
    opacity: 0.8;
    transition: opacity var(--transition-fast);
}

.assistant-close:hover {
    opacity: 1;
}

.assistant-context-selector {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--gray-50);
    border-bottom: 1px solid var(--gray-200);
}

.assistant-context-selector label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--gray-600);
}

.assistant-context-selector select {
    flex: 1;
    padding: 6px 10px;
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-md);
    font-size: 0.85rem;
    background: white;
}

.assistant-quick-actions {
    display: flex;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--gray-50);
    border-bottom: 1px solid var(--gray-200);
    flex-wrap: wrap;
}

.quick-action {
    padding: 4px 10px;
    font-size: 0.75rem;
    background: white;
    border: 1px solid var(--primary-300);
    color: var(--primary-600);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.quick-action:hover {
    background: var(--primary-50);
    border-color: var(--primary-500);
}

.assistant-messages {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-md);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.assistant-message {
    max-width: 90%;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.assistant-message.user {
    align-self: flex-end;
}

.assistant-message.assistant {
    align-self: flex-start;
}

.assistant-message .message-content {
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-lg);
    font-size: 0.9rem;
    line-height: 1.5;
}

.assistant-message.user .message-content {
    background: var(--primary-600);
    color: white;
    border-bottom-right-radius: var(--radius-sm);
}

.assistant-message.assistant .message-content {
    background: var(--gray-100);
    color: var(--gray-800);
    border-bottom-left-radius: var(--radius-sm);
}

.assistant-message.assistant.error .message-content {
    background: rgba(239, 68, 68, 0.1);
    color: var(--error-600);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.assistant-message .message-content ul {
    margin: var(--spacing-sm) 0 0;
    padding-left: var(--spacing-lg);
}

.assistant-message .message-content li {
    margin-bottom: 4px;
}

.assistant-message .message-content code {
    background: rgba(0, 0, 0, 0.1);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    font-size: 0.85em;
}

.assistant-message.typing .message-content {
    padding: var(--spacing-md);
}

.typing-dots span {
    animation: blink 1.4s infinite both;
    font-size: 1.5rem;
    line-height: 1;
}

.typing-dots span:nth-child(2) { animation-delay: 0.2s; }
.typing-dots span:nth-child(3) { animation-delay: 0.4s; }

@keyframes blink {
    0%, 80%, 100% { opacity: 0.2; }
    40% { opacity: 1; }
}

.assistant-input-area {
    display: flex;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: white;
    border-top: 1px solid var(--gray-200);
}

.assistant-input-area textarea {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--gray-300);
    border-radius: var(--radius-lg);
    font-size: 0.9rem;
    resize: none;
    font-family: inherit;
}

.assistant-input-area textarea:focus {
    outline: none;
    border-color: var(--primary-500);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.assistant-input-area button {
    width: 44px;
    height: 44px;
    padding: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-lg);
}

.assistant-input-area button svg {
    width: 20px;
    height: 20px;
}

.context-hint {
    font-size: 0.75rem;
    color: var(--gray-500);
    padding: 4px var(--spacing-md);
    background: var(--primary-50);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-xs);
    animation: fadeIn 0.3s ease;
}

/* Assistant Toggle Button */
.assistant-toggle {
    position: fixed;
    right: var(--spacing-lg);
    bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: linear-gradient(135deg, var(--primary-600), var(--primary-700));
    color: white;
    border: none;
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-lg);
    cursor: pointer;
    z-index: 999;
    transition: all var(--transition-base);
}

.assistant-toggle:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.assistant-toggle.hidden {
    transform: translateX(200px);
    opacity: 0;
    pointer-events: none;
}

.assistant-toggle svg {
    width: 20px;
    height: 20px;
}

.toggle-label {
    font-weight: 500;
    font-size: 0.9rem;
}

/* Adjust page container when assistant is open */
.page-container {
    transition: margin-right 0.3s ease;
}

.patent-assistant-sidebar.open ~ .page-container {
    margin-right: 400px;
}

/* Mobile responsive */
@media (max-width: 768px) {
    .patent-assistant-sidebar {
        width: 100%;
        right: -100%;
    }

    .patent-assistant-sidebar.open ~ .page-container {
        margin-right: 0;
    }

    .assistant-toggle {
        right: var(--spacing-md);
        bottom: var(--spacing-md);
    }

    .toggle-label {
        display: none;
    }
}

/* ========================================
   Print Styles
   ======================================== */
@media print {
    .sidebar,
    .btn,
    .no-print,
    .patent-assistant-sidebar,
    .assistant-toggle {
        display: none !important;
    }

    .main-content {
        margin-left: 0;
        padding: 0;
    }

    .card {
        box-shadow: none;
        border: 1px solid var(--gray-300);
    }
}

/* ========================================
   Apply Recommendation Buttons
   ======================================== */

/* Recommendation list styling */
.recommendations-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.recommendation-item {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--spacing-md);
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--gray-100);
}

.recommendation-item:last-child {
    border-bottom: none;
}

.recommendation-item .rec-text {
    flex: 1;
    font-size: 0.875rem;
    line-height: 1.5;
    color: var(--gray-700);
}

.recommendation-item.applied {
    opacity: 0.7;
    background: var(--gray-50);
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    margin: var(--spacing-xs) 0;
}

.recommendation-item.applied .rec-text {
    text-decoration: line-through;
    color: var(--gray-500);
}

/* Apply button styling */
.btn-apply-rec {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--primary-600);
    background: var(--primary-50);
    border: 1px solid var(--primary-200);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.15s ease;
    white-space: nowrap;
    flex-shrink: 0;
}

.btn-apply-rec:hover:not(:disabled) {
    background: var(--primary-100);
    border-color: var(--primary-300);
    color: var(--primary-700);
}

.btn-apply-rec:disabled {
    cursor: not-allowed;
    opacity: 0.6;
}

.btn-apply-rec.applying {
    background: var(--gray-100);
    border-color: var(--gray-300);
    color: var(--gray-600);
}

.btn-apply-rec.applied {
    background: var(--success-500);
    border-color: var(--success-600);
    color: white;
}

.btn-apply-rec svg {
    width: 14px;
    height: 14px;
}

/* Small spinner for buttons */
.spinner-small {
    display: inline-block;
    width: 12px;
    height: 12px;
    border: 2px solid var(--gray-300);
    border-top-color: var(--primary-500);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

/* Combined recommendations section */
.combined-recommendations {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md);
    background: linear-gradient(135deg, var(--primary-50), var(--gray-50));
    border-radius: var(--radius-md);
    border: 1px solid var(--primary-100);
}

.combined-recommendations h4 {
    margin: 0 0 var(--spacing-sm) 0;
    font-size: 0.95rem;
    color: var(--primary-800);
}

.combined-recommendations .combined-actions {
    margin-bottom: var(--spacing-md);
}

.combined-recommendations .recommendation-item.combined {
    background: white;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-sm);
    margin: var(--spacing-xs) 0;
    border: 1px solid var(--gray-200);
}

/* Notification Toast */
.notification-toast {
    position: fixed;
    bottom: 20px;
    right: 20px;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-lg);
    background: white;
    border-radius: var(--radius-md);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    z-index: 10000;
    animation: slideInRight 0.3s ease;
    max-width: 400px;
}

.notification-toast.success {
    border-left: 4px solid var(--success-500);
}

.notification-toast.error {
    border-left: 4px solid var(--error-500);
}

.notification-toast.info {
    border-left: 4px solid var(--info-500);
}

.notification-icon {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 14px;
    font-weight: bold;
}

.notification-toast.success .notification-icon {
    background: var(--success-500);
    color: white;
}

.notification-toast.error .notification-icon {
    background: var(--error-500);
    color: white;
}

.notification-toast.info .notification-icon {
    background: var(--info-500);
    color: white;
}

.notification-message {
    flex: 1;
    font-size: 0.875rem;
    color: var(--gray-700);
}

.notification-close {
    background: none;
    border: none;
    font-size: 20px;
    color: var(--gray-400);
    cursor: pointer;
    padding: 0;
    line-height: 1;
}

.notification-close:hover {
    color: var(--gray-600);
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}