/* Unified Chat Application Design System */

:root {
    /* Catalyst-inspired zinc-based dark theme */
    --app-bg: #09090b; /* zinc-950 - softer than pure black */
    --panel-bg: #18181b; /* zinc-900 - visible panels */
    --content-bg: #27272a; /* zinc-800 - content areas */
    --surface: #27272a; /* zinc-800 - surface elements */
    --surface-hover: #3f3f46; /* zinc-700 - hover states */
    --surface-raised: #3f3f46; /* zinc-700 - elevated elements */
    --surface-secondary: #18181b; /* zinc-900 - secondary surfaces */
    --background: #27272a; /* zinc-800 - general background */

    /* Unified text hierarchy */
    --text-primary: #ffffff;
    --text-secondary: #a1a1aa; /* zinc-400 - better contrast */
    --text-tertiary: #71717a; /* zinc-500 - mid-level text */
    --text-muted: #52525b; /* zinc-600 - muted text */

    /* Single accent system - keeping blue as requested */
    --accent: #0ea5e9; /* sky-500 */
    --accent-hover: #0284c7; /* sky-600 */
    --accent-light: rgba(14, 165, 233, 0.1);

    /* Status colors */
    --success: #10b981; /* emerald-500 */
    --warning: #f59e0b; /* amber-500 */
    --error: #ef4444; /* red-500 */
    --destructive: #ef4444; /* red-500 */
    --destructive-hover: #dc2626; /* red-600 */
    --red-400: #f87171;
    --red-500: #ef4444;
    --red-600: #dc2626;

    /* Border system */
    --border: #3f3f46; /* zinc-700 - visible borders */
    --border-strong: #52525b; /* zinc-600 - emphasized borders */
    --border-subtle: #27272a; /* zinc-800 - subtle borders */

    /* Visual connections with better contrast */
    --divider: rgba(63, 63, 70, 0.5); /* zinc-700 based */
    --divider-strong: rgba(82, 82, 91, 0.7); /* zinc-600 based */
    --highlight: rgba(255, 255, 255, 0.05); /* subtle highlight */
    --glow: rgba(14, 165, 233, 0.05); /* accent glow */

    /* Zinc color scale for reference */
    --zinc-50: #fafafa;
    --zinc-100: #f4f4f5;
    --zinc-200: #e4e4e7;
    --zinc-300: #d4d4d8;
    --zinc-400: #a1a1aa;
    --zinc-500: #71717a;
    --zinc-600: #52525b;
    --zinc-700: #3f3f46;
    --zinc-800: #27272a;
    --zinc-900: #18181b;
    --zinc-950: #09090b;

    /* Spacing scale */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 0.75rem;
    --spacing-lg: 1rem;
    --spacing-xl: 1.25rem;
    --spacing-2xl: 1.5rem;
    --spacing-3xl: 2rem;
    --spacing-4xl: 2.5rem;

    /* Border radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;

    /* 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);

    /* Typography */
    --font-sans: ui-sans-serif, system-ui, sans-serif;
    --font-mono:
        ui-monospace, "SFMono-Regular", "Consolas", "Liberation Mono", monospace;

    /* Layout */
    --sidebar-width: 16rem;
    --header-height: 4rem;
}

/* Reset and base styles */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    height: 100%;
    width: 100%;
    font-family: var(--font-sans);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    background: var(--app-bg);
    color: var(--text-primary);
    height: 100vh;
    width: 100vw;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    margin: 0;
    padding: 0;
}

body.authorized-page {
    background: var(--app-bg);
}

/* Simple page layout for non-chat pages only */
body.authorized-page:not(:has(.chat-main)) {
    overflow-y: auto;
    height: auto;
    display: block;
}

/* Ensure chat pages maintain proper layout */
body.authorized-page:has(.chat-main) {
    height: 100vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* Link styling */
a {
    color: var(--accent);
    text-decoration: none;
    transition: color 0.15s ease;
}

a:hover {
    color: var(--accent-hover);
}

/* Modern Button System */
.btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    border-radius: var(--radius-lg);
    font-size: 0.875rem;
    font-weight: 600;
    transition: all 0.15s ease;
    cursor: pointer;
    border: 1px solid transparent;
    text-decoration: none;
    outline: none;
    min-width: 100px;
    padding: var(--spacing-sm) var(--spacing-lg);
}

.btn:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

/* Button sizes */
.btn-sm {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: 0.75rem;
}

.btn-md {
    padding: var(--spacing-sm) var(--spacing-lg);
}

.btn-lg {
    padding: var(--spacing-md) var(--spacing-xl);
}

/* Button variants */
.btn-primary {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: var(--surface-raised);
    color: var(--text-primary);
    border-color: var(--border);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
    background: var(--surface-hover);
    border-color: var(--border-strong);
}

.btn-outline {
    background: transparent;
    color: var(--text-secondary);
    border-color: var(--border);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    border-color: var(--border-strong);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border-color: transparent;
}

.btn-ghost:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
}

/* Icon buttons */
.icon-button {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    padding: var(--spacing-sm);
    border-radius: var(--radius-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s ease;
}

.icon-button:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

.icon-button:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 1px;
}

.btn-icon {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s ease;
}

.btn-icon:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    border-color: var(--border-strong);
}

.btn-icon:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 1px;
}

.btn-icon[type="submit"] {
    background: var(--accent);
    color: white;
    border-color: var(--accent);
}

.btn-icon[type="submit"]:hover {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
}

#chat-action-btn[type="button"] {
    border-color: var(--red-600);
    border-width: 1.5px;
}

#chat-action-btn[type="button"]:hover {
    background: rgba(220, 38, 38, 0.1);
    border-color: var(--red-500);
}

/* Modern Input System */
.input {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--surface);
    border: 1px solid var(--divider-strong);
    border-radius: var(--spacing-lg);
    color: var(--text-primary);
    font-size: 0.875rem;
    transition: all 0.15s ease;
    outline: none;
}

.input::placeholder {
    color: var(--text-muted);
}

.input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-light);
    background: var(--surface-hover);
}

.input:hover:not(:focus) {
    border-color: var(--divider-strong);
    background: var(--highlight);
}

.textarea {
    resize: vertical;
    min-height: 3rem;
    max-height: 8rem;
    font-family: inherit;
    line-height: 1.5;
}

/* Chat Main Layout - IDE Style with Flexbox */
.chat-main {
    display: flex;
    flex-direction: column;
    height: calc(100vh - 40px); /* Account for 40px status bar */
    width: 100vw;
    background: var(--app-bg);
    max-width: none;
}

/* Workspace container holds the panels */
.workspace-container {
    display: flex;
    flex: 1;
    overflow: hidden;
    width: 100%;
    min-height: 0; /* Allow flex shrinking */
}

/* Panel states for backward compatibility */
.chat-main.left-collapsed .left-panel {
    display: none;
}

.chat-main.right-collapsed .right-panel {
    display: none;
}

.chat-main.both-collapsed .left-panel,
.chat-main.both-collapsed .right-panel {
    display: none;
}

/* Panel System - IDE Style */
.left-panel,
.right-panel {
    background: var(--panel-bg);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    position: relative;
    flex-shrink: 0;
}

.left-panel {
    width: var(--left-panel-width, var(--sidebar-width, 280px));
    min-width: 200px;
    max-width: 45%;
}

.right-panel {
    width: var(--right-panel-width, 400px);
    min-width: 300px;
    max-width: 75%;
    border-left: 1px solid var(--border);
}

/* Resize Handles */
.resize-handle {
    width: 4px;
    background: transparent;
    cursor: col-resize;
    position: relative;
    flex-shrink: 0;
    z-index: 10;
}

.resize-handle:hover {
    background: var(--accent);
}

.resize-handle:active {
    background: var(--accent);
}

.resize-handle::before {
    content: "";
    position: absolute;
    top: 0;
    bottom: 0;
    left: -2px;
    right: -2px;
    cursor: col-resize;
}

.resize-handle.dragging {
    background: var(--accent) !important;
}

/* Prevent text selection during resize */
body.resizing {
    user-select: none;
    cursor: col-resize !important;
}

body.resizing * {
    cursor: col-resize !important;
}

/* Chat area (center) always visible */
.chat-area {
    flex: 1;
    min-width: 300px;
    display: flex;
    flex-direction: column;
    background: var(--surface);
    border-radius: 0;
    margin: 0;
    overflow: hidden;
    min-height: 400px; /* Minimum height to prevent collapse */
}

/* Legacy sidebar styles (now left-panel content) */
/* Unified Sidebar Styles */
.sidebar-container {
    background: var(--panel-bg);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    height: 100%;
}

.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-2xl);
    flex-shrink: 0;
    height: var(--header-height);
    background: var(--surface);
    border-bottom: 1px solid var(--divider);
}

.sidebar-title {
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 600;
    margin: 0;
}

.sidebar-body {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-xs);
}

.sidebar-new-btn {
    background: none;
    border: none;
    color: var(--accent);
    cursor: pointer;
    padding: var(--spacing-xs);
    border-radius: var(--spacing-sm);
    transition: all 0.15s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 1.75rem;
    height: 1.75rem;
}

.sidebar-new-btn:hover {
    background: var(--accent-light);
    color: var(--accent);
}

.sidebar-new-btn svg {
    width: 1rem;
    height: 1rem;
    color: currentColor;
}

.sidebar-empty-state,
.sidebar-loading-state {
    padding: 2rem 1rem;
    text-align: center;
    color: var(--text-muted);
}


/* Status Bar - IDE Style Bottom Bar */
.status-bar {
    display: flex;
    align-items: center;
    height: 40px;
    background: var(--accent-hover);
    /*padding: 0 var(--spacing-md);*/
    font-size: 0.75rem;
    color: var(--text-primary);
    gap: var(--spacing-md);
    position: static;
    width: 100%;
    flex-shrink: 0;
    border-top: 1px solid var(--accent);
}

.status-bar-left {
    display: flex;
    align-items: center;
    /*gap: var(--spacing-xs);*/
    height: 100%;
}

.status-bar-center {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
}

.status-bar-right {
    display: flex;
    align-items: center;
    /*gap: var(--spacing-xs);*/
    height: 100%;
}

.status-btn {
    background: none;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    padding: var(--spacing-xs) var(--spacing-md);
    transition: all 0.15s ease;
    font-size: 0.75rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    white-space: nowrap;
    position: relative;
    height: 100%;
    margin: 0;
}

.status-btn:hover {
    background: var(--accent);
}

.status-btn.active {
    color: var(--text-primary);
    background: var(--accent);
    position: relative;
}

.status-btn.active::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 4px;
    background: var(--text-primary);
    border-radius: 50%;
}

.status-btn.exit-btn {
    color: var(--text-primary);
}

.status-btn.exit-btn:hover {
    background: var(--accent);
}

/* Panel animation improvements */
.left-panel,
.right-panel {
    transform: translateX(0);
}

.left-panel.hidden {
    transform: translateX(-100%);
}

.right-panel.hidden {
    transform: translateX(100%);
}

/* Left Panel with Vertical Tabs */
.left-panel {
    display: flex;
    flex-direction: row;
}

.left-panel-content {
    flex: 1;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    position: relative;
}

.left-vertical-tab-strip {
    width: 32px;
    background: var(--panel-bg);
    border-right: 1px solid var(--accent);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
}

.left-vertical-tab {
    background: none;
    border: none;
    padding: 0;
    cursor: pointer;
    color: var(--text-secondary);
    border-right: 2px solid transparent;
    transition: all 0.15s ease;
    font-size: 0.75rem;
    min-height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.left-vertical-tab span {
    transform: rotate(-90deg);
    font-size: 10pt;
}

.left-vertical-tab:hover {
    color: var(--text-primary);
    background: var(--highlight);
}

.left-vertical-tab.active {
    color: var(--primary);
    border-right-color: var(--primary);
    background: var(--content-bg);
}

.left-vertical-tab.active span {
    font-size: 11pt;
}

.left-tab-content {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: none;
}

.left-tab-content.active {
    display: flex;
    flex-direction: column;
}


.assistant-list-item {
    position: relative;
}

.assistant-list-item + .assistant-list-item {
    margin-top: 0.25rem;
}

.assistant-list-item-link {
    display: flex;
    flex-direction: column;
    padding: 0.5rem 0.75rem;
    /*margin: 0 0.5rem;*/
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.15s ease;
}

.assistant-list-item-link:hover {
    background: var(--highlight);
    color: var(--text-primary);
}

.assistant-list-item.active .assistant-list-item-link {
    background: var(--glow);
    color: var(--accent);
    position: relative;
}

.assistant-list-item.active .assistant-list-item-link::before {
    content: "";
    position: absolute;
    left: -0.75rem;
    top: 50%;
    transform: translateY(-50%);
    width: 2px;
    height: 1.5rem;
    background: var(--accent);
    border-radius: 1px;
}

.assistant-list-item-title {
    font-weight: 500;
    color: var(--text-primary);
    font-size: 0.875rem;
    margin-bottom: var(--spacing-xs);
}

.assistant-list-item-model {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
    font-weight: 600;
}

.assistant-list-item-time {
    font-size: 0.75rem;
    color: var(--text-tertiary);
}

/* Modal Styles */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
}

.modal-content {
    background: var(--surface);
    border-radius: var(--radius-lg);
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

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

.modal-header h3 {
    margin: 0;
    color: var(--text-primary);
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-secondary);
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: background 0.15s ease;
}

.modal-close:hover {
    background: var(--highlight);
    color: var(--text-primary);
}

.modal-form {
    padding: var(--spacing-lg);
}

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

.form-group label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-weight: 500;
    color: var(--text-primary);
    font-size: 0.875rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-sm);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--content-bg);
    color: var(--text-primary);
    font-size: 0.875rem;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
}

.form-group input[type="range"] {
    width: calc(100% - 50px);
    margin-right: var(--spacing-sm);
}

#create-temperature-value,
#edit-temperature-value {
    display: inline-block;
    width: 40px;
    text-align: center;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

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

/* Vertical Tab Strip (IntelliJ Style) - Right Panel */
.right-panel {
    display: flex;
    flex-direction: row;
}

.right-panel-content {
    flex: 1;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    position: relative;
}

.vertical-tab-strip {
    width: 32px;
    background: var(--panel-bg);
    border-left: 1px solid var(--accent);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
}

.vertical-tab {
    background: none;
    border: none;
    padding: 0;
    cursor: pointer;
    color: var(--text-secondary);
    border-left: 2px solid transparent;
    transition: all 0.15s ease;
    font-size: 0.75rem;
    min-height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.vertical-tab span {
    transform: rotate(90deg);
    font-size: 10pt;
}

.vertical-tab:hover {
    color: var(--text-primary);
    background: var(--highlight);
}

.vertical-tab.active {
    color: var(--primary);
    border-left-color: var(--primary);
    background: var(--content-bg);
}

.vertical-tab.active span {
    font-size: 11pt;
}

.tab-content {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease;
}

.tab-content.active {
    opacity: 1;
    visibility: visible;
}

/* Responsive IDE Layout */
@media (max-width: 1024px) {
    .left-panel {
        width: 240px;
        min-width: 200px;
        max-width: 300px;
    }

    .right-panel {
        width: 320px;
        min-width: 280px;
        max-width: 400px;
    }

    .chat-area {
        min-width: 300px;
    }
}

@media (max-width: 768px) {
    .workspace-container {
        flex-direction: column;
    }

    .left-panel,
    .right-panel {
        width: 100%;
        min-width: unset;
        max-width: unset;
        height: 200px;
        border: none;
        border-top: 1px solid var(--border);
        border-bottom: 1px solid var(--border);
    }

    .left-panel {
        order: 1;
    }

    .chat-area {
        order: 2;
        min-width: unset;
        margin: 0;
    }

    .right-panel {
        order: 3;
    }

    .status-bar {
        order: 4;
    }
}


.header-title-section {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
}




.empty-state {
    padding: 2rem 1rem;
    text-align: center;
    color: var(--text-muted);
}

/* Tailwind-inspired Chat List Items */
.chat-list-item {
    position: relative;
}

.chat-list-item + .chat-list-item {
    margin-top: 0.25rem;
}

.chat-list-item-link {
    display: flex;
    flex-direction: column;
    padding: 0.5rem 0.75rem;
    margin: 0 0.5rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.15s ease;
}

.chat-list-item-link:hover {
    background: var(--highlight);
    color: var(--text-primary);
}

.chat-list-item.active .chat-list-item-link {
    background: var(--glow);
    color: var(--accent);
    position: relative;
}

.chat-list-item.active .chat-list-item-link::before {
    content: "";
    position: absolute;
    left: -0.75rem;
    top: 50%;
    transform: translateY(-50%);
    width: 2px;
    height: 1.5rem;
    background: var(--accent);
    border-radius: 1px;
}

.chat-list-item-title {
    font-weight: 500;
    font-size: 0.875rem;
    line-height: 1.25;
    margin-bottom: var(--spacing-xs);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.chat-list-item-time {
    font-size: 0.75rem;
    opacity: 0.7;
}

/* Chat editing */
.chat-edit-container {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-md);
    width: 100%;
}

.chat-edit-input {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--surface-raised);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.875rem;
    outline: none;
}

.chat-edit-input:focus {
    border-color: var(--accent);
}

.chat-edit-input:focus-visible {
    border-color: var(--accent);
    outline: 2px solid var(--accent);
    outline-offset: 0;
}

.chat-edit-btn {
    background: var(--surface-raised);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    padding: var(--spacing-xs) var(--spacing-sm);
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: all 0.15s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    line-height: 1;
    min-width: 28px;
    height: 28px;
}

.chat-edit-btn:hover {
    background: var(--surface-hover);
    border-color: var(--border-hover);
}

.chat-edit-save {
    color: #4ade80;
}

.chat-edit-save:hover {
    background: rgba(74, 222, 128, 0.1);
    border-color: #4ade80;
}

.chat-edit-cancel {
    color: var(--text-secondary);
}

.chat-edit-cancel:hover {
    background: rgba(239, 68, 68, 0.1);
    border-color: #ef4444;
    color: #ef4444;
}

.chat-save-btn {
    right: calc(var(--spacing-sm) + 2rem);
    color: var(--green-400);
}

.chat-cancel-btn {
    right: var(--spacing-sm);
    color: var(--red-400);
}

/* Assistants Button */
.assistants-btn-bottom {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    margin: 0.5rem 1rem var(--spacing-lg) 1rem;
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--surface-hover);
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--spacing-lg);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s ease;
}

.assistants-btn-bottom:hover {
    background: var(--highlight);
    color: var(--text-primary);
}

.assistants-btn-bottom.active {
    background: var(--glow);
    color: var(--accent);
}

/* Removed duplicate .chat-area definition - consolidated above */

/* Chat Header */
.chat-header {
    /*display: grid;
    grid-template-columns: auto 1fr auto;*/
    align-items: center;
    padding: var(--spacing-2xl) var(--spacing-lg);
    background: var(--surface);
    height: var(--header-height);
    flex-shrink: 0;
    gap: var(--spacing-lg);
    border-bottom: 1px solid var(--divider);
}

.chat-header-left,
.chat-header-right {
    display: flex;
    align-items: center;
}

.chat-header-center {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
}

.chat-title-section {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
}

.chat-title-section h2 {
    margin: 0;
    padding: 0;
    display: flex;
    align-items: center;
}

.sidebar-toggle-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: var(--spacing-sm);
    border-radius: var(--spacing-sm);
    transition: all 0.15s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
}

.sidebar-toggle-btn:hover {
    color: var(--text-primary);
    background: var(--highlight);
}

.sidebar-toggle-btn svg {
    width: 1.25rem;
    height: 1.25rem;
}

/* Floating Logout Button - matches debug panel style exactly */
.floating-logout-btn {
    position: fixed;
    bottom: 20px; /* Same level as debug panel since it's hidden */
    right: 20px;
    background-color: #1a1a1a;
    border: 2px solid #444;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.3);
    cursor: pointer;
    z-index: 1000;
    transition: transform 0.2s;
}

/* Floating Compare Button */
.floating-compare-btn {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 999;
}

.floating-compare-btn button {
    background: var(--accent);
    border: none;
    border-radius: 24px;
    color: white;
    padding: 12px 24px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 4px 16px rgba(0, 123, 255, 0.3);
    transition: all 0.2s ease;
    min-height: 48px;
}

.floating-compare-btn button:hover {
    background: #0056b3;
    transform: translateY(-1px);
    box-shadow: 0 5px 18px rgba(0, 123, 255, 0.35);
}

.floating-compare-btn button:active {
    transform: translateY(0);
}

/* Split button for compare */
.split-button {
    display: flex;
}

.split-button button {
    white-space: nowrap;
}

.split-button .split-main {
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
    border-right: 1px solid rgba(255, 255, 255, 0.2);
}

.split-button .split-secondary {
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
    padding: 12px 16px;
}

/* Patent ghost animation */
.patent-ghost {
    background: var(--accent);
    opacity: 0.3;
    border-radius: 4px;
    transition: transform 0.3s ease-out, opacity 0.3s ease-out;
}

.floating-logout-btn:hover {
    transform: scale(1.1);
    border-color: var(--accent);
}

.floating-logout-btn svg {
    width: 18px;
    height: 18px;
    margin-left: 1px; /* Slight adjustment to center the logout icon */
}

#title-container {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

#title-display {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
    border-bottom: none;
    padding-bottom: 0;
    text-shadow: none;
    box-shadow: none;
}

/* Chat Messages Area */
.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-lg);
    background: var(--surface);
    scroll-behavior: auto;
    min-height: 0; /* Allow flex shrinking */
}

/* Chat Message Component Styling */
chat-message {
    display: block;
    margin-bottom: var(--spacing-sm);
}

chat-message:last-child {
    margin-bottom: 0;
}

.message-wrapper {
    position: relative;
    display: flex;
    flex-direction: column;
    width: 100%;
    margin-bottom: 0;
}

.message {
    position: relative;
    padding: var(--spacing-sm) var(--spacing-xl);
    border-radius: var(--radius-lg);
    font-size: 0.9375rem;
    line-height: 1.6;
    max-width: 48rem;
    word-wrap: break-word;
    margin: 0;
}

/* Fix pre elements to not break layout */
.message pre {
    white-space: pre-wrap;
    word-wrap: break-word;
    overflow-wrap: break-word;
    max-width: 100%;
    overflow-x: auto;
}

.message pre code {
    white-space: pre-wrap;
    word-wrap: break-word;
}

/* Fix lists in messages - keep numbers inside bubble */
.message ol,
.message ul {
    margin: var(--spacing-md) 0;
    padding-left: 0;
    list-style-position: inside;
}

.message li {
    margin: var(--spacing-sm) 0;
    line-height: 1.6;
}

.message li p {
    display: inline;
    margin: 0;
}

/* Nested lists */
.message li ol,
.message li ul {
    margin-top: var(--spacing-xs);
    margin-bottom: var(--spacing-xs);
    padding-left: var(--spacing-lg);
}

.message.user {
    background: var(--accent);
    color: white;
    align-self: flex-end;
    border-bottom-right-radius: var(--radius-sm);
}

.message.assistant {
    background: var(--surface);
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-bottom-left-radius: var(--radius-sm);
}

/* Hide assistant messages when they have no actual content - only for streaming messages */
.message.assistant[data-markdown-processed="true"]:has(.llm-msg):not(
        :has(.llm-msg:not(:empty))
    ) {
    display: none;
}

/* Collapse streaming message when no content yet */
.message.assistant:has([sse-connect]):not(:has(.llm-msg:not(:empty))) {
    padding: 0;
    border: none;
    background: none;
    min-height: 0;
}

.message.system {
    background: none;
    color: var(--accent);
    border-left: 3px solid var(--accent);
    border-radius: 0;
    padding: 2px 2.5rem 2px var(--spacing-sm);
    font-size: 0.8125rem;
    font-weight: 500;
    text-align: left;
    margin: 0;
    width: fit-content;
    font-style: normal;
}

.message.system .message-actions {
    top: 0;
}

/* Debug message styling */
.debug-container {
    display: block;
    margin: var(--spacing-sm) 0;
    padding: 0;
    background: none;
    border-left: 2px solid var(--border);
}

.debug-msg {
    background: none;
    color: var(--text-tertiary);
    padding: 2px 0 2px var(--spacing-sm);
    font-size: 0.75rem;
    font-weight: 400;
    text-align: left;
    margin: 0;
    line-height: 1.4;
}

/* Streaming message styling - inherit from parent .message.assistant */
.llm-msg {
    background: none;
    border: none;
    padding: 0;
    margin: 0;
    font-size: inherit;
    line-height: inherit;
    color: inherit;
    word-wrap: break-word;
}

/* Message actions - positioned in top-right corner of message bubble */
.message-actions {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    opacity: 0;
    transition: opacity 0.15s ease;
    z-index: 10;
}

/* Show actions on message wrapper hover */
.message-wrapper:hover .message-actions {
    opacity: 1;
}

/* Base styles for all message action buttons */
.message-actions button {
    box-sizing: border-box;
    background: var(--surface);
    border: 1px solid var(--divider);
    color: var(--text-secondary);
    padding: var(--spacing-xs);
    border-radius: var(--radius-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: 1.75rem;
    height: 1.75rem;
    line-height: 1;
    transition: all 0.15s ease;
    box-shadow: var(--shadow-sm);
}

.message-actions button svg {
    width: 0.875rem;
    height: 0.875rem;
    flex-shrink: 0;
}

.message-actions button:active {
    transform: translateY(0);
}

/* Copy button */
.copy-btn:hover {
    background: var(--surface-hover);
    color: var(--text-primary);
    border-color: var(--divider-strong);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

/* Delete button */
.delete-btn {
    color: var(--red-400);
}

.delete-btn:hover {
    background: #3f2020;
    color: var(--red-400);
    border-color: var(--red-600);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.delete-btn:active {
    background: #4a1f1f;
}

/* Select patents button */
.select-patents-btn {
    color: var(--accent);
}

.select-patents-btn:hover {
    background: #1e3a5f;
    color: var(--accent);
    border-color: var(--accent);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.select-patents-btn:active {
    background: #234b77;
}

/* Translate button */
.translate-btn:hover {
    background: var(--surface-hover);
    color: var(--text-primary);
    border-color: var(--divider-strong);
    box-shadow: var(--shadow-md);
    transform: translateY(-1px);
}

.translate-btn.loading {
    opacity: 0.6;
    cursor: wait;
}

.translate-btn.active {
    background: var(--surface-hover);
    color: var(--text-primary);
    border-color: var(--divider-strong);
}

/* Language toggle pills */
.lang-toggle {
    display: inline-flex;
    gap: 2px;
    background: var(--surface-secondary);
    border-radius: var(--radius-sm);
    padding: 2px;
}

.lang-pill {
    padding: 2px 8px;
    font-size: 0.6875rem;
    font-weight: 500;
    border: none;
    border-radius: var(--radius-xs);
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.15s ease;
}

.lang-pill:hover {
    background: var(--surface-hover);
    color: var(--text-primary);
}

.lang-pill.active {
    background: var(--accent-primary);
    color: var(--text-on-accent);
}

/* Message timestamp - positioned below message bubble */
.message-timestamp {
    font-size: 0.6875rem;
    color: var(--text-tertiary);
    margin-top: var(--spacing-xs);
    padding: 0 var(--spacing-xs);
}

/* Align timestamp with message */
.message-wrapper--user .message-timestamp {
    text-align: right;
}

.message-wrapper--assistant .message-timestamp {
    text-align: left;
}

.message-wrapper--system .message-timestamp {
    text-align: left;
}

/* Chat Input Section */
.chat-input-section {
    padding: var(--spacing-2xl);
    border-top: 1px solid var(--divider);
    background: var(--surface);
    flex-shrink: 0;
    transition: background-color 0.15s ease;
}

.chat-input-section.drag-over {
    background-color: var(--accent-light);
}

.chat-input-section.drag-over .chat-input {
    border-color: var(--accent);
    border-style: dashed;
}

.chat-input {
    border: 1px solid var(--divider-strong);
    border-radius: var(--spacing-lg);
    background: var(--surface-hover);
    overflow: hidden;
    transition: all 0.15s ease;
}

.chat-input:focus-within {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-light);
}

.chat-input textarea {
    width: 100%;
    border: none;
    background: transparent;
    padding: var(--spacing-lg) var(--spacing-xl);
    font-size: 0.9375rem;
    line-height: 1.5;
    resize: none;
    outline: none;
    color: var(--text-primary);
    font-family: inherit;
    min-height: 3.25rem;
    max-height: 50vh;
}

.chat-input textarea:focus {
    outline: none;
    box-shadow: none;
}

.chat-input textarea:focus-visible {
    outline: none;
    box-shadow: none;
}

.chat-input textarea::placeholder {
    color: var(--text-tertiary);
}

.chat-input-controls {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--spacing-xl) var(--spacing-lg);
}

.chat-input-right {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

/* Select styling - dark theme for closed state, readable dropdown */
select {
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--surface);
    border: 1px solid var(--divider-strong);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-size: 0.875rem;
    font-family: inherit;
    outline: none;
    cursor: pointer;
    transition: all 0.15s ease;
}

select:hover {
    background-color: var(--surface-hover);
    border-color: var(--divider-strong);
}

select:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-light);
    background-color: var(--surface-hover);
}

select:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Option elements - use default/black text for browser compatibility */
select option {
    color: black;
    background-color: white;
}

/* Firefox will apply these, Chrome won't, but both will be readable */
@-moz-document url-prefix() {
    select option {
        background-color: var(--surface);
        color: var(--text-primary);
    }
}

/* Assistant selector specific sizing */
.assistant-select {
    min-width: 8rem;
    width: auto;
}

/* Prompt selector specific sizing */
.prompt-select {
    min-width: 8rem;
    width: auto;
}


/* Scrollbar styling */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--zinc-600);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--zinc-500);
}

/* Responsive design */
@media (max-width: 1024px) {
    .chat-main {
        grid-template-columns: 1fr;
    }

    .sidebar-container {
        display: none;
    }

    .hamburger-btn {
        display: flex;
    }
}

/* Focus states for accessibility */
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

/* Loading states */
.spinner {
    display: inline-block;
    width: 1rem;
    height: 1rem;
    border: 2px solid var(--zinc-300);
    border-top: 2px solid var(--accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

.btn-loading {
    pointer-events: none;
    opacity: 0.7;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

/* Citation styling */
.citation {
    background: rgba(59, 130, 246, 0.1);
    color: var(--accent);
    padding: 0.125rem 0.375rem;
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s ease;
}

.citation:hover {
    background: rgba(59, 130, 246, 0.2);
}

/* External citations (not in current files) */
.citation-external {
    background: rgba(156, 163, 175, 0.1);
    color: var(--text-tertiary);
    cursor: default;
}

.citation-external:hover {
    background: rgba(156, 163, 175, 0.15);
}

/* Context Menu */
.context-menu {
    position: fixed;
    background: var(--surface);
    border: 1px solid var(--border-strong);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    padding: var(--spacing-sm);
    z-index: 2000;
    min-width: 10rem;
    display: none;
    backdrop-filter: blur(8px);
    animation: contextMenuFadeIn 0.1s ease-out;
}

@keyframes contextMenuFadeIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.context-menu-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.15s ease;
    border: none;
    background: transparent;
    width: 100%;
    text-align: left;
}

.context-menu-item:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
}

.context-menu-item.danger {
    color: var(--red-400);
}

/* Horizontal tabs for comparison panel */
.horizontal-tab-strip {
    display: flex;
    background: var(--panel-bg);
    border-bottom: 1px solid var(--accent);
    margin-bottom: 0;
}

.horizontal-tab {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    transition: all 0.15s ease;
    text-decoration: none;
    min-height: 2.5rem;
    white-space: nowrap;
}

.horizontal-tab:hover {
    color: var(--text-primary);
    background: var(--highlight);
}

.horizontal-tab.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
    background: var(--content-bg);
}

.horizontal-tab svg {
    width: 1rem;
    height: 1rem;
    opacity: 0.7;
    transition: opacity 0.15s ease;
}

.horizontal-tab.active svg {
    opacity: 1;
}

.context-menu-item.danger:hover {
    background: rgba(239, 68, 68, 0.1);
    color: var(--red-400);
}

.context-menu-item svg {
    width: 1rem;
    height: 1rem;
}

.context-menu-divider {
    height: 1px;
    background: var(--border);
    margin: var(--spacing-sm) 0;
}

/* Debug and preview containers */
#preview-container {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(4px);
}

#preview-container:empty {
    display: none;
}

#preview-container .patent-preview {
    position: relative;
    max-width: 90vw;
    max-height: 90vh;
}

/* Authentication Pages - Unified Dark Design */
.auth-page {
    background: var(--app-bg);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.auth-header {
    background: var(--surface);
    border-bottom: 1px solid var(--divider);
    padding: 0 var(--spacing-2xl);
    height: var(--header-height);
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.auth-header h1 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.auth-header h1 a {
    color: inherit;
    text-decoration: none;
}

.auth-main {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-4xl) var(--spacing-2xl);
}

.auth-container {
    width: 100%;
    max-width: 24rem;
}

.auth-card {
    background: var(--content-bg);
    padding: var(--spacing-4xl);
    border-radius: var(--spacing-2xl);
    border: 1px solid var(--divider);
    box-shadow:
        0 20px 25px -5px rgba(0, 0, 0, 0.3),
        0 10px 10px -5px rgba(0, 0, 0, 0.2);
}

.auth-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-primary);
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.form-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.auth-footer {
    background: var(--surface);
    border-top: 1px solid var(--divider);
    padding: var(--spacing-2xl);
    text-align: center;
    color: var(--text-tertiary);
    font-size: 0.875rem;
    flex-shrink: 0;
}

.auth-link-text {
    text-align: center;
    color: var(--text-tertiary);
    font-size: 0.875rem;
    margin-top: var(--spacing-lg);
    margin-bottom: 0;
}

.auth-link {
    color: var(--accent);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.15s ease;
}

.auth-link:hover {
    color: var(--accent-hover);
}

/* Error pages */
.error-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--background);
}

.error-card {
    text-align: center;
    color: var(--text-primary);
}

.error-title {
    font-size: 3rem;
    font-weight: 700;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

.error-message {
    background: none;
    color: var(--error);
    border-left: 3px solid var(--error);
    padding-left: var(--spacing-md);
    margin: var(--spacing-sm) 0;
    font-size: 0.8125rem;
    font-weight: 500;
    text-align: left;
    width: fit-content;
}

/* Patent List Components */
.patent-grid {
    height: 100%;
    overflow-y: auto;
    background: var(--surface);
}

/* Patent Grid Header */
.patent-grid-header {
    display: grid;
    grid-template-columns: 2rem 1fr auto;
    align-items: center;
    padding: var(--spacing-2xl) var(--spacing-lg);
    background: var(--surface);
    border-bottom: 1px solid var(--divider);
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    gap: var(--spacing-md);
    height: var(--header-height);
}

.patent-grid-header .checkbox-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
}

.patent-grid-header input[type="checkbox"] {
    width: 1rem;
    height: 1rem;
    accent-color: var(--accent);
    cursor: pointer;
}

/* Patent Grid Body */
.patent-grid-body {
    background: var(--panel-bg);
    overflow-y: auto;
    flex: 1;
}

.patent-grid-empty {
    padding: var(--spacing-4xl);
    text-align: center;
    color: var(--text-tertiary);
    font-style: italic;
}

/* Patent Row Styling */
patent-row {
    display: block;
    border-bottom: 1px solid var(--divider);
    transition: all 0.15s ease;
}

patent-row:last-child .patent-grid-row {
    border-bottom: none;
}

patent-row:hover .patent-grid-row {
    background: var(--highlight);
}

patent-row[selected="true"] .patent-grid-row {
    background: var(--glow);
    border-color: var(--accent);
}

/* Highlighted state has higher specificity and comes after hover */
patent-row[highlighted="true"] .patent-grid-row {
    background: rgba(16, 185, 129, 0.15);
    border-left: 3px solid var(--success);
    padding-left: calc(var(--spacing-lg) - 3px); /* Adjust padding for border */
    animation: highlightPulse 1s ease-out;
}

/* Highlighted + hover state */
patent-row[highlighted="true"]:hover .patent-grid-row {
    background: rgba(16, 185, 129, 0.2);
    border-left: 3px solid var(--success);
    padding-left: calc(var(--spacing-lg) - 3px); /* Adjust padding for border */
}

@keyframes highlightPulse {
    0% {
        background: rgba(16, 185, 129, 0.3);
        transform: scale(1.002);
    }
    100% {
        background: rgba(16, 185, 129, 0.15);
        transform: scale(1);
    }
}

/* Status background tints (Operation Semaphore) */
patent-row[data-status="attachment-error"] .patent-grid-row {
    background: rgba(249, 115, 22, 0.08);
}

patent-row[data-status="metadata-error"] .patent-grid-row {
    background: rgba(239, 68, 68, 0.08);
}

patent-row[data-status="incomplete"] .patent-grid-row {
    background: rgba(234, 179, 8, 0.08);
}

/* Status tints work with hover state */
patent-row[data-status]:hover .patent-grid-row {
    filter: brightness(0.95);
}

/* Status tints work with selected state */
patent-row[data-status][selected="true"] .patent-grid-row {
    box-shadow: inset 0 0 0 1px var(--accent);
}

.patent-grid-row {
    display: grid;
    grid-template-columns: 2rem 1fr auto;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    gap: var(--spacing-md);
    transition: all 0.15s ease;
    position: relative;
    z-index: 1;
}

patent-row:has(.dropdown-menu[style*="display: block"]) .patent-grid-row {
    z-index: 1000;
}

.patent-grid-row.deleting {
    opacity: 0.5;
    pointer-events: none;
}

.patent-grid-row .checkbox-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
}

.patent-grid-row input[type="checkbox"] {
    width: 1rem;
    height: 1rem;
    accent-color: var(--accent);
    cursor: pointer;
}

.patent-info {
    display: flex;
    flex-direction: column;
    min-width: 0;
    gap: 2px;
}

.patent-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    font-family: var(--font-mono);
    cursor: pointer;
    transition: color 0.15s ease;
    line-height: 1.2;
}

.patent-label:hover {
    color: var(--accent);
}

.patent-title {
    font-size: 0.75rem;
    color: var(--text-muted);
    line-height: 1.3;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 100%;
}

.patent-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    min-width: 0;
}

.patent-number {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
    font-family: var(--font-mono);
    cursor: pointer;
    transition: color 0.15s ease;
}

.patent-number:hover {
    color: var(--accent);
}

.patent-status {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.patent-actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--spacing-xs);
    opacity: 1;
    transition: opacity 0.15s ease;
}

/* Compact button styling for patent actions */
.btn-compact {
    padding: 0;
    min-width: 2rem;
    max-width: 2rem;
    width: 2rem;
    min-height: 2rem;
    max-height: 2rem;
    height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.btn-compact svg {
    width: 0.875rem;
    height: 0.875rem;
}

/* Patent preview modal styling */
.patent-preview-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: var(--spacing-lg);
}

.patent-preview-content {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    max-width: 50rem;
    max-height: 80vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    width: 100%;
}

.patent-preview-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-xl);
    border-bottom: 1px solid var(--divider);
    background: var(--surface);
}

.patent-preview-header h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
    font-family: var(--font-mono);
    flex: 1;
}

.patent-preview-body {
    padding: var(--spacing-2xl);
    overflow-y: auto;
    flex: 1;
}

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

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

.patent-section h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 var(--spacing-sm) 0;
}

.patent-section p {
    font-size: 0.875rem;
    line-height: 1.6;
    color: var(--text-secondary);
    margin: 0;
}

.patent-section p strong {
    color: var(--text-primary);
    font-weight: 500;
}

.patent-section .translate-comparison-btn {
    margin-top: var(--spacing-md);
}

.patent-section .translate-comparison-btn svg {
    width: 18px;
    height: 18px;
}

.patent-claims-content {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.patent-claim {
    display: flex;
    gap: var(--spacing-sm);
    font-size: 0.875rem;
    line-height: 1.6;
    color: var(--text-secondary);
}

.claim-number {
    font-weight: 600;
    color: var(--text-primary);
    flex-shrink: 0;
}

.claim-text {
    flex: 1;
}

/* Checkbox styling improvements */
input[type="checkbox"].patent-checkbox {
    appearance: none;
    width: 1rem;
    height: 1rem;
    border: 1.5px solid var(--divider-strong);
    border-radius: var(--radius-sm);
    background: var(--surface);
    cursor: pointer;
    position: relative;
    transition: all 0.15s ease;
}

input[type="checkbox"].cb-header {
    appearance: none;
    width: 1rem;
    height: 1rem;
    border: 1.5px solid var(--accent);
    border-radius: var(--radius-sm);
    background: var(--surface);
    cursor: pointer;
    position: relative;
    transition: all 0.15s ease;
    opacity: 0.8;
}

input[type="checkbox"].patent-checkbox:hover {
    border-color: var(--accent);
    background: rgba(14, 165, 233, 0.05);
}

input[type="checkbox"].cb-header:hover {
    opacity: 1;
    background: rgba(14, 165, 233, 0.05);
}

input[type="checkbox"].patent-checkbox:checked,
input[type="checkbox"].cb-header:checked {
    background: var(--accent);
    border-color: var(--accent);
}

input[type="checkbox"].patent-checkbox:checked::after,
input[type="checkbox"].cb-header:checked::after {
    content: "✓";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
}

/* Component-specific fixes */
chat-message {
    display: block;
}

patent-list {
    display: flex;
    flex-direction: column;
    height: 100%;
    overflow: hidden;
}

/* Allow overflow when header dropdown is open */
patent-list:has(.patent-grid-header .dropdown-menu[style*="display: block"]) {
    overflow: visible;
}

patent-list:has(.patent-grid-header .dropdown-menu[style*="display: block"]) .patent-grid-header {
    z-index: 1000;
}

patent-row,
confirmation-modal {
    display: contents;
}

/* Page layouts */
.page-full {
    padding: var(--spacing-4xl);
    max-width: 72rem;
    margin: 0 auto;
    background: var(--app-bg);
    min-height: 100vh;
}

.page-header {
    margin-bottom: var(--spacing-4xl);
}

.page-header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.page-header h1 {
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin: 0;
}

.nav-button {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--surface-hover);
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--spacing-lg);
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.15s ease;
}

.nav-button:hover {
    background: var(--accent);
    color: white;
    transform: translateY(-1px);
}

/* Card System */
.card {
    background: var(--content-bg);
    border: 1px solid var(--divider);
    border-radius: var(--spacing-lg);
    padding: var(--spacing-2xl);
    box-shadow:
        0 10px 15px -3px rgba(0, 0, 0, 0.3),
        0 4px 6px -2px rgba(0, 0, 0, 0.2);
    transition: all 0.15s ease;
}

.card:hover {
    border-color: var(--divider-strong);
    box-shadow:
        0 20px 25px -5px rgba(0, 0, 0, 0.3),
        0 10px 10px -5px rgba(0, 0, 0, 0.2);
    transform: translateY(-2px);
}

.card.deleting {
    opacity: 0.6;
    pointer-events: none;
}

.card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 var(--spacing-md) 0;
}

.card h3 a {
    color: inherit;
    text-decoration: none;
}

.card h3 a:hover {
    color: var(--accent);
}

.card p {
    margin: 0 0 var(--spacing-lg) 0;
    line-height: 1.5;
}

.card p.small {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--accent);
}

.card p.dim {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.card footer {
    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(--divider);
}

.cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(24rem, 1fr));
    gap: var(--spacing-2xl);
}

/* Form Card */
.form-card {
    background: var(--content-bg);
    border: 1px solid var(--divider);
    border-radius: var(--spacing-lg);
    padding: var(--spacing-4xl);
    box-shadow:
        0 10px 15px -3px rgba(0, 0, 0, 0.3),
        0 4px 6px -2px rgba(0, 0, 0, 0.2);
    margin-bottom: var(--spacing-4xl);
}

.form-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 var(--spacing-2xl) 0;
}

.form-card input,
.form-card select,
.form-card textarea {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--surface);
    border: 1px solid var(--divider-strong);
    border-radius: var(--spacing-lg);
    color: var(--text-primary);
    font-size: 0.875rem;
    transition: all 0.15s ease;
    outline: none;
    margin-bottom: var(--spacing-xl);
}

.form-card input::placeholder,
.form-card textarea::placeholder {
    color: var(--text-muted);
}

.form-card input:focus,
.form-card select:focus,
.form-card textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-light);
    background: var(--surface-hover);
}

.form-card textarea {
    resize: vertical;
    min-height: 8rem;
    font-family: inherit;
    line-height: 1.5;
}

.form-card select {
    cursor: pointer;
}

.form-card optgroup {
    font-weight: 600;
    color: var(--text-primary);
    background: var(--surface);
}

.form-card option {
    color: var(--text-primary);
    background: var(--surface);
}

/* Button variants for forms */
.btn-form-submit {
    background: var(--accent);
    color: white;
    border: 1px solid var(--accent);
    padding: var(--spacing-md) var(--spacing-2xl);
    border-radius: var(--radius-lg);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s ease;
    box-shadow: var(--shadow-sm);
}

.btn-form-submit:hover {
    background: var(--accent-hover);
    border-color: var(--accent-hover);
    box-shadow: var(--shadow-md);
}

/* Form error messages */
.form-error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--error);
    color: var(--error);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    margin-bottom: var(--spacing-md);
}

.form-error.hidden {
    display: none;
}

/* Toast notifications */
.toast {
    position: fixed;
    top: 20px;
    right: 20px;
    background: var(--surface);
    border: 1px solid var(--divider-strong);
    color: var(--text-primary);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    opacity: 1;
    transform: translateX(0);
    transition: all 0.3s ease;
    max-width: 400px;
    font-size: 0.875rem;
}

.toast-error {
    border-color: var(--error);
    background: rgba(239, 68, 68, 0.1);
    color: var(--error);
}

.toast-success {
    border-color: var(--success);
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
}

.toast.fade-out {
    opacity: 0;
    transform: translateX(100%);
}

.btn-small {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: 0.75rem;
    border-radius: var(--radius-md);
}

.btn-secondary {
    background: var(--surface-raised);
    color: var(--text-primary);
    border: 1px solid var(--border);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-lg);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-secondary:hover {
    background: var(--zinc-700);
    border-color: var(--border-strong);
    color: var(--text-primary);
}

.btn-danger:not(.btn-icon) {
    background: var(--red-600);
    color: white;
    border: 1px solid var(--red-600);
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-lg);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s ease;
}

.btn-danger:not(.btn-icon):hover {
    background: var(--red-500);
    border-color: var(--red-500);
}

/* btn-icon.btn-danger gets its own simple style */
.btn-icon.btn-danger {
    color: var(--red-400);
}

.btn-icon.btn-danger:hover {
    background: rgba(239, 68, 68, 0.1);
    color: var(--red-400);
    border-color: var(--red-400);
}

/* Dropdown Menu Styles */
.dropdown-container {
    position: relative;
    display: inline-block;
    z-index: 100;
}

.dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 2px;
}

.dropdown-arrow {
    transition: transform 0.2s ease;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 4px;
    background: var(--surface);
    border: 1px solid var(--divider-strong);
    border-radius: var(--radius-md);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    min-width: 180px;
    z-index: 1001;
    overflow: hidden;
    pointer-events: all;
}

patent-row:has(.dropdown-menu[style*="display: block"]) .patent-grid-row:hover {
    background: var(--surface);
}

.dropdown-item {
    width: 100%;
    display: flex;
    align-items: center;
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--surface);
    border: none;
    color: var(--text-primary);
    font-size: 0.875rem;
    text-align: left;
    cursor: pointer;
    transition: background 0.15s ease;
}

.dropdown-item:hover {
    background: var(--highlight);
}

.dropdown-item-danger {
    color: var(--red-400);
}

.dropdown-item-danger:hover {
    background: rgba(239, 68, 68, 0.1);
}

.copy-comparison-btn,
.copy-landscape-btn,
.translate-comparison-btn,
.translate-landscape-btn {
    background: none;
    border: none;
    padding: 0.25rem;
    cursor: pointer;
    color: var(--text-muted);
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.copy-comparison-btn:hover,
.copy-landscape-btn:hover,
.translate-comparison-btn:hover,
.translate-landscape-btn:hover {
    background: var(--surface-hover);
    color: var(--text-primary);
}

/* Section headers */
h2 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 var(--spacing-2xl) 0;
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--border);
}

/* Utility classes */
.flex {
    display: flex;
    gap: var(--spacing-md);
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.truncate {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.text-balance {
    text-wrap: balance;
}

/* Patent Comparison Styles */

/* Legacy styles removed - now using status bar controls */

/* Old comparison panel styles removed - now using right panel tab system */

/* Comparison Results Container */
.comparison-results {
    padding: var(--spacing-2xl);
    overflow-y: auto;
    height: 100%;
}

/* Comparison Tabs */
.comparison-tabs {
    display: flex;
    gap: var(--spacing-sm);
    border-bottom: 1px solid var(--divider);
    margin-bottom: var(--spacing-lg);
}

.comparison-tab {
    background: none;
    border: none;
    padding: var(--spacing-sm) var(--spacing-lg);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    color: var(--text-muted);
    transition: all 0.15s ease;
    font-size: 0.875rem;
}

.comparison-tab:hover {
    color: var(--text-primary);
}

.comparison-tab.active {
    border-bottom-color: var(--accent);
    color: var(--text-primary);
    font-weight: 500;
}

/* Tab Panes */
.comparison-tab-pane {
    display: none;
}

.comparison-tab-pane.active {
    display: block;
}

/* Result Cards */
.overlap-card,
.whitespace-card,
.strategy-card {
    background: var(--surface-hover);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-lg);
}

.overlap-card {
    border-left: 3px solid var(--error);
}

.overlap-card.medium {
    border-left-color: var(--warning);
}

.overlap-card.low {
    border-left-color: var(--text-muted);
}

.whitespace-card {
    border-left: 3px solid var(--success);
}

.strategy-card.fto {
    border-left: 3px solid #3b82f6;
}

.strategy-card.filing {
    border-left: 3px solid var(--success);
}

/* Card Headers */
.card-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: var(--spacing-md);
}

.card-title {
    margin: 0;
    font-size: 0.95em;
}

.overlap-level-badge {
    background: var(--error);
    color: white;
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    font-size: 0.75em;
    text-transform: uppercase;
}

.overlap-level-badge.medium {
    background: var(--warning);
}

.overlap-level-badge.low {
    background: var(--text-muted);
}

/* Card Content Sections */
.card-section {
    margin-bottom: var(--spacing-md);
}

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

.section-label {
    font-weight: 500;
    margin-bottom: 0.25rem;
    font-size: 0.9em;
}

.section-content {
    font-size: 0.85em;
    color: var(--text-secondary);
    padding-left: var(--spacing-lg);
}

.technical-elements {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    padding-left: var(--spacing-lg);
}

.technical-element {
    background: var(--surface);
    padding: 0.25rem 0.5rem;
    border-radius: var(--radius-sm);
    font-size: 0.8em;
}

.specific-claims {
    margin: 0;
    padding-left: 2rem;
    font-size: 0.85em;
    color: var(--text-secondary);
}

.specific-claims li {
    margin-bottom: 0.25rem;
}

/* Section Headers with Copy Button */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-lg);
}

.section-header h4 {
    margin: 0;
}

.section-actions {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
}

/* Patent Comparison Component */
.patent-comparison {
    height: 100%;
    display: flex;
    flex-direction: column;
    background: var(--content-bg);
}

.patent-comparison.empty,
.patent-comparison.error {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.comparison-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin: calc(-1 * var(--spacing-2xl)) calc(-1 * var(--spacing-2xl)) var(--spacing-lg) calc(-1 * var(--spacing-2xl));
    padding: var(--spacing-lg) var(--spacing-2xl);
    border-bottom: 1px solid var(--border);
    background: var(--panel-bg);
    height: var(--header-height);
}

.comparison-header-title {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.comparison-lang-controls {
    display: flex;
    align-items: center;
}

.comparison-title {
    font-weight: 600;
    color: var(--text-primary);
}

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

.comparison-actions {
    display: flex;
    gap: var(--spacing-xs);
}

.comparison-content {
    flex: 1;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

/* Comparison Empty/Error States */
.comparison-empty,
.comparison-error {
    text-align: center;
    padding: var(--spacing-2xl);
    color: var(--text-secondary);
}

.comparison-empty svg,
.comparison-error svg {
    margin-bottom: var(--spacing-lg);
    opacity: 0.5;
}

.comparison-empty h4,
.comparison-error h4 {
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.comparison-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-2xl);
    color: var(--text-secondary);
}

.comparison-loading .spinner {
    margin-bottom: var(--spacing-lg);
}

/* Landscape Analysis Results */
.landscape-results {
    padding: var(--spacing-lg);
    overflow-y: auto;
    height: 100%;
}

.landscape-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin: calc(-1 * var(--spacing-lg)) calc(-1 * var(--spacing-lg)) var(--spacing-lg) calc(-1 * var(--spacing-lg));
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border);
    background: var(--panel-bg);
    height: var(--header-height);
}

.landscape-header-title {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.landscape-lang-controls {
    display: flex;
    align-items: center;
}

.landscape-header h3 {
    margin: 0 0 var(--spacing-sm) 0;
    color: var(--text-primary);
}

.landscape-header p {
    margin: 0;
    color: var(--text-secondary);
}

/* Landscape Tabs */
.landscape-tabs {
    display: flex;
    gap: var(--spacing-sm);
    border-bottom: 1px solid var(--divider);
    margin-bottom: var(--spacing-lg);
}

.landscape-tab {
    background: none;
    border: none;
    padding: var(--spacing-sm) var(--spacing-lg);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    color: var(--text-muted);
    transition: all 0.15s ease;
    font-size: 0.875rem;
}

.landscape-tab:hover {
    color: var(--text-primary);
}

.landscape-tab.active {
    border-bottom-color: var(--accent);
    color: var(--text-primary);
    font-weight: 500;
}

.landscape-tab-pane {
    display: none;
}

.landscape-tab-pane.active {
    display: block;
}

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

.landscape-section h4 {
    margin: 0 0 var(--spacing-md) 0;
    color: var(--text-primary);
    border-bottom: 1px solid var(--divider);
    padding-bottom: var(--spacing-sm);
}

.landscape-analog-card {
    border: 1px solid var(--divider-strong);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    background: var(--surface-secondary);
}

.analog-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.analog-header h5 {
    margin: 0;
    color: var(--text-primary);
}

.prototype-badge {
    background: var(--accent);
    color: white;
    padding: 2px 8px;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 600;
}

.analog-section {
    margin-bottom: var(--spacing-md);
}

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

.analog-section strong {
    display: block;
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-bottom: var(--spacing-xs);
}

.analog-section ul {
    margin: 0;
    padding-left: var(--spacing-lg);
    color: var(--text-primary);
}

.analog-section li {
    margin-bottom: var(--spacing-xs);
}

.terminology-mapping {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--surface-secondary);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-sm);
}

.terminology-mapping .specific-term {
    font-weight: 600;
    color: var(--text-primary);
}

.terminology-mapping .arrow {
    color: var(--text-muted);
}

.terminology-mapping .generic-term {
    color: var(--accent);
    font-weight: 500;
}

.terminology-mapping .rationale {
    width: 100%;
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-top: var(--spacing-xs);
}

/* Confirmation Modal */
.confirmation-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, visibility 0.2s ease;
}

.confirmation-modal.show {
    display: flex;
    opacity: 1;
    visibility: visible;
}

.confirmation-modal .modal-content {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    max-width: 28rem;
    width: 90%;
    box-shadow: var(--shadow-xl);
    transform: scale(0.9);
    transition: transform 0.2s ease;
    color: var(--text-primary);
}

.confirmation-modal.show .modal-content {
    transform: scale(1);
}

.confirmation-modal .modal-title {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-primary);
}

.confirmation-modal .modal-message {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    line-height: 1.5;
}

.confirmation-modal .modal-buttons {
    display: flex;
    gap: var(--spacing-md);
    justify-content: flex-end;
}

/* Claim Matrix */
.claim-matrix {
    flex: 1;
    overflow: auto;
    display: grid;
    grid-template-columns: 150px repeat(var(--patent-count, 2), minmax(100px, 1fr));
    gap: 1px;
    background: var(--border-subtle);
}

.matrix-header {
    display: contents;
}

.matrix-row {
    display: contents;
}

.matrix-cell {
    padding: var(--spacing-sm);
    background: var(--surface);
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 2.5rem;
    border: 1px solid var(--border-subtle);
}

.matrix-corner {
    background: var(--panel-bg);
    font-weight: 600;
    justify-content: flex-start;
}

.matrix-header-cell {
    background: var(--panel-bg);
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.75rem;
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    min-width: 0;
}

.matrix-row-header {
    background: var(--panel-bg);
    font-weight: 500;
    color: var(--text-primary);
    justify-content: flex-start;
    font-size: 0.85rem;
    min-width: 150px;
}

.matrix-data-cell {
    cursor: pointer;
    transition: background-color 0.2s ease;
    min-width: 100px;
}

.matrix-data-cell:hover {
    background: var(--surface-hover);
}

.claim-indicator {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: bold;
}

.claim-indicator.claimed {
    background: var(--success-bg);
    color: var(--success-text);
}

.claim-indicator.partial {
    background: var(--warning-bg);
    color: var(--warning-text);
}

.claim-indicator.unclaimed {
    background: var(--surface);
    color: var(--text-tertiary);
    border: 1px solid var(--border);
}

.matrix-legend {
    display: flex;
    gap: var(--spacing-lg);
    padding: var(--spacing-md);
    border-top: 1px solid var(--border);
    background: var(--panel-bg);
}

.legend-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 0.75rem;
    color: var(--text-secondary);
}

/* Elements View */
.elements-view {
    flex: 1;
    overflow: auto;
    padding: var(--spacing-md);
}

.elements-header {
    margin-bottom: var(--spacing-lg);
}

.elements-header h4 {
    margin-bottom: var(--spacing-xs);
    color: var(--text-primary);
}

.elements-header p {
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.elements-grid {
    display: grid;
    gap: var(--spacing-lg);
}

.element-category {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
}

.element-category h5 {
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
    font-size: 0.875rem;
    font-weight: 600;
}

.element-items {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.element-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm);
    background: var(--content-bg);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all 0.2s ease;
}

.element-item:hover {
    background: var(--surface-hover);
    border-color: var(--border);
}

.element-name {
    font-size: 0.75rem;
    color: var(--text-primary);
}

.element-coverage {
    display: flex;
    gap: 2px;
}

.coverage-indicator {
    width: 8px;
    height: 8px;
    border-radius: 2px;
}

.coverage-indicator.covered {
    background: var(--success);
}

.coverage-indicator.partial {
    background: var(--warning);
}

.coverage-indicator.uncovered {
    background: var(--border);
}

/* Analysis View */
.analysis-view {
    flex: 1;
    overflow: auto;
    padding: var(--spacing-md);
}

.analysis-section h4 {
    margin-bottom: var(--spacing-lg);
    color: var(--text-primary);
}

.analysis-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

.analysis-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
}

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

.analysis-card h5 {
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
    font-size: 0.875rem;
    font-weight: 600;
}

.analysis-card-header h5 {
    margin-bottom: 0;
}

.analysis-card p {
    color: var(--text-secondary);
    font-size: 0.875rem;
    line-height: 1.5;
}

.analysis-card em {
    color: var(--accent);
}

/* Responsive Design */
@media (min-width: 768px) {
    .analysis-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (min-width: 1024px) {
    .analysis-grid {
        grid-template-columns: 1fr 1fr 1fr;
    }
}

/* Sync Button Styles */
.chat-header-center {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    height: 100%;
    gap: 1rem;
}

.chat-header-actions {
    display: flex;
    align-items: center;
    height: 100%;
    gap: 0.5rem;
    flex-shrink: 0;
}

.btn-sync {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    padding: 6px;
    background: transparent;
    color: white;
    border: 1px solid transparent;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-sync .sync-text {
    display: none;
}

.btn-sync:hover {
    border-color: rgba(255, 255, 255, 0.4);
    background: rgba(255, 255, 255, 0.05);
    transform: translateY(-1px);
}

.btn-sync:disabled {
    color: rgba(255, 255, 255, 0.4);
    cursor: not-allowed;
    transform: none;
    border-color: transparent;
}

.btn-sync svg {
    flex-shrink: 0;
}

.btn-sync .htmx-indicator {
    display: none;
}

.btn-sync.htmx-request .htmx-indicator {
    display: block;
}

.btn-sync.htmx-request .sync-icon {
    display: none;
}

.btn-sync.htmx-request .sync-text::after {
    content: "ing...";
}