/* retoor <retoor@molodetz.nl> */

:root {
    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-mono: "SF Mono", Monaco, "Cascadia Code", "Roboto Mono", Consolas, monospace;

    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;

    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    --transition-fast: 150ms ease;
    --transition-normal: 250ms ease;
    --transition-slow: 350ms ease;

    --container-width: 900px;
    --header-height: 64px;
    --input-height: 80px;
}

[data-theme="dark"] {
    --color-bg-primary: #0a0a0b;
    --color-bg-secondary: #111113;
    --color-bg-tertiary: #18181b;
    --color-bg-elevated: #1f1f23;
    --color-bg-hover: #27272a;

    --color-border-subtle: #27272a;
    --color-border-default: #3f3f46;
    --color-border-strong: #52525b;

    --color-text-primary: #fafafa;
    --color-text-secondary: #a1a1aa;
    --color-text-tertiary: #71717a;
    --color-text-inverse: #09090b;

    --color-accent-primary: #6366f1;
    --color-accent-secondary: #818cf8;
    --color-accent-tertiary: #a5b4fc;
    --color-accent-bg: rgba(99, 102, 241, 0.15);
    --color-accent-bg-hover: rgba(99, 102, 241, 0.25);

    --color-success: #22c55e;
    --color-warning: #f59e0b;
    --color-error: #ef4444;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 20px rgba(99, 102, 241, 0.3);
}

[data-theme="light"] {
    --color-bg-primary: #ffffff;
    --color-bg-secondary: #f8fafc;
    --color-bg-tertiary: #f1f5f9;
    --color-bg-elevated: #ffffff;
    --color-bg-hover: #e2e8f0;

    --color-border-subtle: #e2e8f0;
    --color-border-default: #cbd5e1;
    --color-border-strong: #94a3b8;

    --color-text-primary: #0f172a;
    --color-text-secondary: #475569;
    --color-text-tertiary: #94a3b8;
    --color-text-inverse: #ffffff;

    --color-accent-primary: #4f46e5;
    --color-accent-secondary: #6366f1;
    --color-accent-tertiary: #818cf8;
    --color-accent-bg: rgba(79, 70, 229, 0.1);
    --color-accent-bg-hover: rgba(79, 70, 229, 0.15);

    --color-success: #16a34a;
    --color-warning: #d97706;
    --color-error: #dc2626;

    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
    --shadow-glow: 0 0 20px rgba(79, 70, 229, 0.2);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background-color: var(--color-bg-primary);
    color: var(--color-text-primary);
    min-height: 100vh;
    line-height: 1.6;
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

#app {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

#header {
    position: sticky;
    top: 0;
    z-index: 100;
    height: var(--header-height);
    background: var(--color-bg-secondary);
    border-bottom: 1px solid var(--color-border-subtle);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.header-content {
    max-width: var(--container-width);
    margin: 0 auto;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--spacing-lg);
}

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

.logo-icon {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--color-accent-primary), var(--color-accent-secondary));
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-icon svg {
    width: 18px;
    height: 18px;
    color: white;
}

.logo-text {
    font-size: 22px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--color-accent-primary), var(--color-accent-tertiary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.5px;
}

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

.header-btn {
    width: 40px;
    height: 40px;
    border: none;
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-secondary);
    transition: all var(--transition-fast);
}

.header-btn:hover {
    background: var(--color-bg-hover);
    color: var(--color-text-primary);
}

.header-btn svg {
    width: 20px;
    height: 20px;
}

.header-btn .icon-sun,
.header-btn .icon-moon {
    display: none;
}

[data-theme="dark"] .header-btn .icon-sun {
    display: block;
}

[data-theme="light"] .header-btn .icon-moon {
    display: block;
}

#messages {
    flex: 1;
    max-width: var(--container-width);
    width: 100%;
    margin: 0 auto;
    padding: var(--spacing-xl) var(--spacing-lg);
    padding-bottom: calc(var(--input-height) + var(--spacing-2xl) + var(--spacing-xl));
}

.message {
    margin-bottom: var(--spacing-xl);
    animation: messageIn 0.3s ease-out;
}

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

.message-user {
    font-size: 18px;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-md);
    line-height: 1.4;
}

.message-answer {
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    transition: box-shadow var(--transition-normal);
}

.message-answer:hover {
    box-shadow: var(--shadow-lg);
}

.status-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    padding: var(--spacing-sm) 0;
}

.status-text {
    font-size: 14px;
    color: var(--color-text-secondary);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.status-text::before {
    content: "";
    width: 8px;
    height: 8px;
    background: var(--color-accent-primary);
    border-radius: 50%;
    animation: pulse 1.5s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.8); }
}

.progress-bar {
    height: 3px;
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--color-accent-primary), var(--color-accent-secondary));
    border-radius: var(--radius-full);
    transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.answer-text {
    font-size: 15px;
    line-height: 1.75;
    color: var(--color-text-primary);
}

.answer-text.error {
    color: var(--color-error);
}

.answer-text p {
    margin-bottom: var(--spacing-md);
}

.answer-text p:last-child {
    margin-bottom: 0;
}

.answer-text h1,
.answer-text h2,
.answer-text h3,
.answer-text h4 {
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
    color: var(--color-text-primary);
    line-height: 1.3;
}

.answer-text h1 { font-size: 1.5em; }
.answer-text h2 { font-size: 1.3em; }
.answer-text h3 { font-size: 1.15em; }

.answer-text ul,
.answer-text ol {
    margin: var(--spacing-md) 0;
    padding-left: var(--spacing-lg);
}

.answer-text li {
    margin-bottom: var(--spacing-xs);
}

.answer-text strong {
    font-weight: 600;
    color: var(--color-text-primary);
}

.answer-text code {
    font-family: var(--font-mono);
    font-size: 0.875em;
    background: var(--color-bg-tertiary);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-border-subtle);
}

.answer-text pre {
    margin: var(--spacing-md) 0;
    padding: var(--spacing-md);
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border-subtle);
    overflow-x: auto;
}

.answer-text pre code {
    background: none;
    padding: 0;
    border: none;
    font-size: 13px;
    line-height: 1.6;
}

.answer-text blockquote {
    margin: var(--spacing-md) 0;
    padding: var(--spacing-md) var(--spacing-lg);
    border-left: 3px solid var(--color-accent-primary);
    background: var(--color-accent-bg);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    color: var(--color-text-secondary);
}

.answer-text a {
    color: var(--color-accent-secondary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

.answer-text a:hover {
    color: var(--color-accent-tertiary);
    text-decoration: underline;
}

.answer-text table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--spacing-md) 0;
    font-size: 14px;
}

.answer-text th,
.answer-text td {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--color-border-subtle);
    text-align: left;
}

.answer-text th {
    background: var(--color-bg-tertiary);
    font-weight: 600;
}

.answer-text hr {
    margin: var(--spacing-lg) 0;
    border: none;
    border-top: 1px solid var(--color-border-subtle);
}

.message-answer {
    position: relative;
}

.copy-btn {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    width: 32px;
    height: 32px;
    border: none;
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-tertiary);
    opacity: 0;
    transition: all var(--transition-fast);
    z-index: 10;
}

.message-answer:hover .copy-btn {
    opacity: 1;
}

.copy-btn:hover {
    background: var(--color-bg-hover);
    color: var(--color-text-primary);
}

.copy-btn.copied {
    color: var(--color-success);
}

.copy-btn svg {
    width: 16px;
    height: 16px;
}

.citation-link {
    color: var(--color-accent-primary);
    text-decoration: none;
}

.citation-link:hover {
    text-decoration: underline;
}

.sources {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border-subtle);
}

.sources-title {
    font-size: 11px;
    font-weight: 700;
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-md);
}

.sources-list {
    display: grid;
    gap: var(--spacing-sm);
}

.source-item {
    padding: var(--spacing-md);
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
}

.source-item:hover {
    background: var(--color-bg-hover);
    border-color: var(--color-border-default);
}

.source-item.source-highlight {
    background: var(--color-accent-bg);
    border-color: var(--color-accent-primary);
    box-shadow: var(--shadow-glow);
}

.source-link {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    text-decoration: none;
    color: inherit;
}

.source-badge {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 24px;
    height: 24px;
    padding: 0 var(--spacing-xs);
    background: var(--color-accent-primary);
    color: white;
    font-size: 12px;
    font-weight: 700;
    border-radius: var(--radius-sm);
    flex-shrink: 0;
}

.source-title {
    font-size: 14px;
    font-weight: 500;
    color: var(--color-accent-secondary);
    line-height: 1.4;
    transition: color var(--transition-fast);
}

.source-link:hover .source-title {
    color: var(--color-accent-tertiary);
}

.source-snippet {
    margin-top: var(--spacing-xs);
    margin-left: calc(24px + var(--spacing-md));
    font-size: 12px;
    color: var(--color-text-tertiary);
    line-height: 1.5;
}

.answer-actions {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--color-border-subtle);
}

.action-btn {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-tertiary);
    border: none;
    border-radius: var(--radius-sm);
    color: var(--color-text-tertiary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.action-btn:hover {
    background: var(--color-bg-hover);
    color: var(--color-text-primary);
}

.action-btn.active {
    color: var(--color-accent-primary);
    background: var(--color-accent-bg);
}

.action-btn.copied {
    color: var(--color-success);
}

.action-btn.loading {
    opacity: 0.5;
    pointer-events: none;
}

.action-btn.bookmarked {
    color: var(--color-warning);
}

.action-btn.bookmarked svg {
    fill: currentColor;
}

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

#input-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border-subtle);
    padding: var(--spacing-md) var(--spacing-lg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.input-container {
    max-width: var(--container-width);
    margin: 0 auto;
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

.input-wrapper {
    flex: 1;
    position: relative;
}

#query {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border-default);
    border-radius: var(--radius-lg);
    font-size: 15px;
    font-family: var(--font-sans);
    color: var(--color-text-primary);
    resize: none;
    outline: none;
    min-height: 52px;
    max-height: 200px;
    line-height: 1.5;
    transition: all var(--transition-fast);
}

#query::placeholder {
    color: var(--color-text-tertiary);
}

#query:focus {
    border-color: var(--color-accent-primary);
    box-shadow: 0 0 0 3px var(--color-accent-bg);
}

#send {
    height: 52px;
    padding: 0 var(--spacing-xl);
    background: linear-gradient(135deg, var(--color-accent-primary), var(--color-accent-secondary));
    color: white;
    border: none;
    border-radius: var(--radius-lg);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    transition: all var(--transition-fast);
    white-space: nowrap;
}

#send:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: var(--shadow-glow);
}

#send:active:not(:disabled) {
    transform: translateY(0);
}

#send:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

#send svg {
    width: 18px;
    height: 18px;
}

.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 60vh;
    text-align: center;
    padding: var(--spacing-2xl);
}

.empty-state-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--color-accent-bg), var(--color-accent-bg-hover));
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
}

.empty-state-icon svg {
    width: 40px;
    height: 40px;
    color: var(--color-accent-primary);
}

.empty-state-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
}

.empty-state-description {
    font-size: 15px;
    color: var(--color-text-secondary);
    max-width: 400px;
}

@media (max-width: 768px) {
    :root {
        --container-width: 100%;
        --header-height: 56px;
    }

    .header-content {
        padding: 0 var(--spacing-md);
    }

    .logo-text {
        font-size: 18px;
    }

    #messages {
        padding: var(--spacing-md);
        padding-bottom: calc(var(--input-height) + var(--spacing-xl));
    }

    .message-user {
        font-size: 16px;
    }

    .message-answer {
        padding: var(--spacing-md);
        border-radius: var(--radius-md);
    }

    .answer-text {
        font-size: 14px;
    }

    #input-bar {
        padding: var(--spacing-sm) var(--spacing-md);
    }

    .input-container {
        gap: var(--spacing-sm);
    }

    #query {
        padding: var(--spacing-md);
        font-size: 16px;
        border-radius: var(--radius-md);
    }

    #send {
        height: 48px;
        padding: 0 var(--spacing-md);
        border-radius: var(--radius-md);
    }

    #send span {
        display: none;
    }

    .source-item {
        padding: var(--spacing-sm);
    }

    .source-badge {
        min-width: 20px;
        height: 20px;
        font-size: 11px;
    }

    .source-title {
        font-size: 13px;
    }

    .source-snippet {
        display: none;
    }
}

@media (max-width: 480px) {
    .message-answer {
        margin-left: calc(-1 * var(--spacing-md));
        margin-right: calc(-1 * var(--spacing-md));
        border-radius: 0;
        border-left: none;
        border-right: none;
    }
}

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}

.cost-tracker-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-md);
    font-size: 12px;
    color: var(--color-text-secondary);
    margin-left: var(--spacing-md);
}

.cost-total {
    font-weight: 600;
    color: var(--color-accent-primary);
    font-family: var(--font-mono);
}

.cost-tracker-message {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border-subtle);
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 12px;
    color: var(--color-text-tertiary);
}

.cost-message-total {
    font-weight: 600;
    color: var(--color-text-secondary);
    font-family: var(--font-mono);
}

.cost-message-breakdown {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.cost-item {
    padding: 2px var(--spacing-sm);
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 11px;
}

@media (max-width: 768px) {
    .cost-tracker-header {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: 11px;
    }

    .cost-tracker-message {
        flex-direction: column;
        align-items: flex-start;
    }

    .cost-message-breakdown {
        margin-top: var(--spacing-xs);
    }
}

.bookmarks-sidebar {
    position: fixed;
    top: var(--header-height);
    right: 0;
    width: 320px;
    height: calc(100vh - var(--header-height));
    background: var(--color-bg-secondary);
    border-left: 1px solid var(--color-border-subtle);
    transform: translateX(100%);
    transition: transform var(--transition-normal);
    z-index: 50;
    display: flex;
    flex-direction: column;
}

.bookmarks-sidebar.open {
    transform: translateX(0);
}

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

.bookmarks-header h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text-primary);
    margin: 0;
}

.bookmark-tag-filter {
    padding: var(--spacing-xs) var(--spacing-sm);
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border-default);
    border-radius: var(--radius-sm);
    color: var(--color-text-primary);
    font-size: 13px;
    cursor: pointer;
}

.bookmarks-list {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-md);
}

.bookmarks-empty {
    text-align: center;
    color: var(--color-text-tertiary);
    padding: var(--spacing-xl);
    font-size: 14px;
}

.bookmark-item {
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    position: relative;
}

.bookmark-item:hover {
    border-color: var(--color-border-default);
}

.bookmark-query {
    font-weight: 600;
    font-size: 14px;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-xs);
}

.bookmark-answer {
    font-size: 13px;
    color: var(--color-text-secondary);
    line-height: 1.5;
}

.bookmark-tags {
    margin-top: var(--spacing-sm);
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
}

.bookmark-tag {
    padding: 2px var(--spacing-sm);
    background: var(--color-accent-bg);
    color: var(--color-accent-primary);
    border-radius: var(--radius-sm);
    font-size: 11px;
    font-weight: 500;
}

.bookmark-actions {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.bookmark-item:hover .bookmark-actions {
    opacity: 1;
}

.bookmark-delete {
    width: 28px;
    height: 28px;
    border: none;
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-tertiary);
    transition: all var(--transition-fast);
}

.bookmark-delete:hover {
    background: var(--color-error);
    color: white;
}

.bookmark-delete svg {
    width: 14px;
    height: 14px;
}

.bookmark-btn {
    position: absolute;
    top: var(--spacing-sm);
    right: calc(var(--spacing-sm) + 40px);
    width: 32px;
    height: 32px;
    border: none;
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-tertiary);
    opacity: 0;
    transition: all var(--transition-fast);
    z-index: 10;
}

.message-answer:hover .bookmark-btn {
    opacity: 1;
}

.bookmark-btn:hover {
    background: var(--color-bg-hover);
    color: var(--color-warning);
}

.bookmark-btn.bookmarked {
    color: var(--color-warning);
}

.bookmark-btn.bookmarked svg {
    fill: var(--color-warning);
}

.bookmark-btn svg {
    width: 16px;
    height: 16px;
}

@media (max-width: 768px) {
    .bookmarks-sidebar {
        width: 100%;
    }
}

.logo-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    text-decoration: none;
}

.analytics-dashboard {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-xl) var(--spacing-lg);
}

.analytics-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-xl);
}

.analytics-summary {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.stat-card {
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
}

.stat-label {
    font-size: 13px;
    font-weight: 500;
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-sm);
}

.stat-value {
    font-size: 32px;
    font-weight: 700;
    color: var(--color-accent-primary);
    font-family: var(--font-mono);
}

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

.chart-container {
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
}

.chart-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-md);
}

.chart-container canvas {
    height: 300px !important;
}

.topics-container {
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
}

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

.topics-empty {
    text-align: center;
    color: var(--color-text-tertiary);
    padding: var(--spacing-xl);
    font-size: 14px;
}

.topic-item {
    display: grid;
    grid-template-columns: 1fr 2fr auto;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-sm) 0;
}

.topic-label {
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.topic-bar {
    height: 8px;
    background: linear-gradient(90deg, var(--color-accent-primary), var(--color-accent-secondary));
    border-radius: var(--radius-full);
    min-width: 4px;
}

.topic-count {
    font-size: 13px;
    font-weight: 600;
    color: var(--color-text-secondary);
    font-family: var(--font-mono);
    min-width: 40px;
    text-align: right;
}

@media (max-width: 1024px) {
    .chart-row {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .analytics-dashboard {
        padding: var(--spacing-md);
    }

    .analytics-title {
        font-size: 22px;
    }

    .analytics-summary {
        grid-template-columns: 1fr;
    }

    .stat-value {
        font-size: 24px;
    }

    .chart-container canvas {
        height: 250px !important;
    }

    .topic-item {
        grid-template-columns: 1fr 1fr auto;
    }
}

.share-badge {
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--color-accent-bg);
    color: var(--color-accent-primary);
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.share-header {
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border-subtle);
}

.share-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
    line-height: 1.3;
}

.share-meta {
    font-size: 13px;
    color: var(--color-text-tertiary);
}

.share-footer {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--color-bg-secondary);
    border-top: 1px solid var(--color-border-subtle);
    padding: var(--spacing-md) var(--spacing-lg);
    display: flex;
    justify-content: center;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.share-cta {
    padding: var(--spacing-md) var(--spacing-xl);
    background: linear-gradient(135deg, var(--color-accent-primary), var(--color-accent-secondary));
    color: white;
    border-radius: var(--radius-lg);
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition-fast);
}

.share-cta:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-glow);
}

.share-error {
    text-align: center;
    color: var(--color-text-tertiary);
    padding: var(--spacing-2xl);
    font-size: 16px;
}

.share-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 200;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
}

.share-modal.open {
    opacity: 1;
    visibility: visible;
}

.share-modal-content {
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    max-width: 480px;
    width: 90%;
    box-shadow: var(--shadow-lg);
}

.share-modal-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-lg);
}

.share-modal-url {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.share-modal-url input {
    flex: 1;
    padding: var(--spacing-md);
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border-default);
    border-radius: var(--radius-md);
    color: var(--color-text-primary);
    font-size: 14px;
    font-family: var(--font-mono);
}

.share-modal-url input:focus {
    outline: none;
    border-color: var(--color-accent-primary);
}

.share-modal-copy {
    padding: var(--spacing-md) var(--spacing-lg);
    background: var(--color-accent-primary);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.share-modal-copy:hover {
    background: var(--color-accent-secondary);
}

.share-modal-copy.copied {
    background: var(--color-success);
}

.share-modal-actions {
    display: flex;
    justify-content: flex-end;
}

.share-modal-close {
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--color-bg-tertiary);
    color: var(--color-text-secondary);
    border: none;
    border-radius: var(--radius-md);
    font-size: 14px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

body:has(.share-footer) #messages {
    padding-bottom: calc(80px + var(--spacing-xl));
}

.chart-wrapper {
    margin: var(--spacing-lg) 0;
    padding: var(--spacing-lg);
    background: var(--color-bg-tertiary);
    border: 1px solid var(--color-border-subtle);
    border-radius: var(--radius-md);
}

.chart-wrapper canvas {
    max-height: 350px;
}

.agent-reasoning {
    background: var(--color-bg-tertiary);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    overflow: hidden;
}

.agent-toggle {
    width: 100%;
    padding: var(--spacing-md);
    background: none;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: var(--color-text-secondary);
    font-size: 13px;
    font-family: var(--font-sans);
    text-align: left;
    transition: all var(--transition-fast);
}

.agent-toggle:hover {
    color: var(--color-text-primary);
    background: var(--color-bg-hover);
}

.agent-toggle-icon {
    font-size: 10px;
    transition: transform var(--transition-fast);
    display: inline-block;
}

.agent-steps {
    display: none;
    padding: 0 var(--spacing-md) var(--spacing-md);
}

.agent-reasoning.expanded .agent-steps {
    display: block;
}

.agent-reasoning.expanded .agent-toggle-icon {
    transform: rotate(90deg);
}

.agent-step {
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--color-border-subtle);
    font-size: 13px;
    display: flex;
    flex-wrap: wrap;
    align-items: flex-start;
    gap: var(--spacing-sm);
}

.agent-step:last-child {
    border-bottom: none;
}

.agent-step-icon {
    flex-shrink: 0;
    font-size: 14px;
}

.agent-step-message {
    color: var(--color-text-secondary);
    flex: 1;
    min-width: 0;
}

.agent-step-thinking .agent-step-message {
    color: var(--color-text-tertiary);
    font-style: italic;
}

.agent-step-searching .agent-step-message {
    color: var(--color-accent-secondary);
}

.agent-step-evaluating .agent-step-message {
    color: var(--color-success);
}

.agent-step-refining .agent-step-message {
    color: var(--color-warning);
}

.agent-step-budget_reached .agent-step-message {
    color: var(--color-warning);
    font-weight: 500;
}

.agent-queries {
    width: 100%;
    margin: var(--spacing-xs) 0 0 calc(14px + var(--spacing-sm));
    padding: 0 0 0 var(--spacing-md);
    list-style: disc;
    color: var(--color-text-tertiary);
    font-size: 12px;
}

.agent-queries li {
    margin-bottom: var(--spacing-xs);
    word-break: break-word;
}

.agent-queries li:last-child {
    margin-bottom: 0;
}

@media (max-width: 768px) {
    .agent-toggle {
        padding: var(--spacing-sm);
        font-size: 12px;
    }

    .agent-steps {
        padding: 0 var(--spacing-sm) var(--spacing-sm);
    }

    .agent-step {
        font-size: 12px;
    }

    .agent-queries {
        font-size: 11px;
    }
}