/* ────────────────────────────────────────────
   TengLaafi · Chat — Dark / Light Theme
   ──────────────────────────────────────────── */

:root {
    /* Colors - Dark Theme */
    --bg-base:        #091210;
    --bg-surface:     #101d18;
    --bg-elevated:    #152318;
    --bg-input:       #1a2e25;
    --accent:         #3dd68c;
    --accent-hover:   #52e09e;
    --accent-glow:    rgba(61, 214, 140, 0.15);
    --accent-dim:     rgba(61, 214, 140, 0.08);
    --text-primary:   #dde8e2;
    --text-secondary: #8aaa99;
    --text-muted:     #5c7a6b;
    --border:         #1c3228;
    --border-hover:   #2a4d3a;
    --red:            #f87171;
    --red-bg:         rgba(248, 113, 113, 0.08);

    /* Layout Dimensions */
    --sidebar-width: 280px;
    --input-container-height: 100px;
    --input-container-height-tablet: 96px;
    --input-container-height-mobile: 88px;
}

[data-theme="light"] {
    --bg-base:        #f2f7f4;
    --bg-surface:     #ffffff;
    --bg-elevated:    #eaf3ef;
    --bg-input:       #f0f5f2;
    --accent:         #1e9e5e;
    --accent-hover:   #17865a;
    --accent-glow:    rgba(30, 158, 94, 0.2);
    --accent-dim:     rgba(30, 158, 94, 0.08);
    --text-primary:   #0e1a14;
    --text-secondary: #2a5540;
    --text-muted:     #5a8a70;
    --border:         #c2d6cc;
    --border-hover:   #9abfab;
    --red:            #dc2626;
    --red-bg:         rgba(220, 38, 38, 0.07);
}

[data-theme="light"] .message.user {
    background: rgba(30, 158, 94, 0.09);
    border-color: rgba(30, 158, 94, 0.2);
}

[data-theme="light"] .message.bot {
    background: var(--bg-surface);
}

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

body {
    font-family: 'Outfit', sans-serif;
    background: var(--bg-base);
    color: var(--text-primary);
    height: 100vh;
    display: flex;
    overflow: hidden;
    font-size: 15px;
}

/* ── SIDEBAR ──────────────────────────────── */

.sidebar {
    width: 280px;
    background: var(--bg-surface);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    height: 100vh;
    flex-shrink: 0;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.sidebar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 20px 14px;
}

.sidebar-header h2 {
    font-family: 'Cormorant Garamond', serif;
    font-size: 22px;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: 0.02em;
}

.sidebar-close-btn {
    display: none;
    background: none;
    border: none;
    padding: 6px;
    cursor: pointer;
    border-radius: 6px;
    color: var(--text-muted);
    transition: color 0.2s, background 0.2s;
}

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

.sidebar-close-btn svg {
    width: 18px;
    height: 18px;
    display: block;
}

.sidebar-new-chat-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 8px 14px 10px;
    padding: 10px 15px;
    background: transparent;
    border: 1px solid var(--border);
    color: var(--accent);
    border-radius: 8px;
    cursor: pointer;
    font-weight: 500;
    font-size: 14px;
    font-family: 'Outfit', sans-serif;
    transition: all 0.2s;
}

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

.sidebar-new-chat-btn svg {
    width: 17px;
    height: 17px;
    stroke: var(--accent);
    flex-shrink: 0;
}

/* ── CONVERSATION LIST ────────────────────── */

.conversation-list {
    flex: 1;
    overflow-y: auto;
    padding: 4px 10px 10px;
}

.conversation-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 12px;
    margin: 2px 0;
    border-radius: 8px;
    background: transparent;
    transition: background 0.15s;
}

.conversation-item:hover {
    background: var(--bg-elevated);
}

.conversation-item.active {
    background: var(--bg-elevated);
    border-left: 2px solid var(--accent);
}

.conversation-item-content {
    flex: 1;
    min-width: 0;
    cursor: pointer;
}

.conversation-title {
    font-size: 14.5px;
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.conversation-date {
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 2px;
}

.conversation-delete-btn {
    opacity: 0;
    background: none;
    border: none;
    padding: 5px;
    cursor: pointer;
    border-radius: 5px;
    color: var(--text-muted);
    transition: all 0.15s;
}

.conversation-delete-btn svg {
    width: 15px;
    height: 15px;
    display: block;
}

.conversation-item:hover .conversation-delete-btn {
    opacity: 1;
}

.conversation-delete-btn:hover {
    color: var(--red);
    background: var(--red-bg);
}

.conversation-empty {
    text-align: center;
    padding: 48px 20px;
    color: var(--text-muted);
    font-size: 13px;
    line-height: 1.9;
}

/* ── SIDEBAR OVERLAY (mobile) ─────────────── */

.sidebar-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.55);
    backdrop-filter: blur(2px);
    z-index: 998;
}

.sidebar-overlay.active {
    display: block;
}

/* ── MAIN CONTENT ─────────────────────────── */

.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
    height: 100vh;
    background: var(--bg-base);
    padding-bottom: var(--input-container-height);
}

/* ── HEADER ───────────────────────────────── */

.header {
    background: var(--bg-surface);
    padding: 13px 26px;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-shrink: 0;
}

.logo-section {
    display: flex;
    align-items: center;
    gap: 12px;
}

.menu-toggle-btn {
    display: none;
    background: none;
    border: none;
    padding: 6px;
    cursor: pointer;
    border-radius: 6px;
    color: var(--text-secondary);
    transition: color 0.2s, background 0.2s;
}

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

.menu-toggle-btn svg {
    width: 21px;
    height: 21px;
    display: block;
}

.logo {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    overflow: hidden;
    border: 2px solid var(--border);
    flex-shrink: 0;
}

.logo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.brand-name {
    font-family: 'Cormorant Garamond', serif;
    font-size: 27px;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.01em;
}

.brand-name .accent {
    color: var(--accent);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.header-btn {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 7px 15px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    font-family: 'Outfit', sans-serif;
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
    border: 1px solid var(--border);
    color: var(--text-secondary);
    background: transparent;
}

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

.header-btn.primary {
    border-color: var(--accent);
    color: var(--accent);
}

.header-btn.primary:hover {
    background: var(--accent-dim);
}

/* ── THEME TOGGLE ─────────────────────────── */

.theme-toggle-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 6px;
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s;
}

.theme-toggle-btn:hover {
    border-color: var(--border-hover);
    color: var(--text-primary);
    background: var(--bg-elevated);
}

.theme-toggle-btn i {
    font-size: 18px;
    display: block;
}

.theme-toggle-btn .icon-sun  { display: block; }
.theme-toggle-btn .icon-moon { display: none; }

[data-theme="light"] .theme-toggle-btn .icon-sun  { display: none; }
[data-theme="light"] .theme-toggle-btn .icon-moon { display: block; }

.header-btn i {
    font-size: 15px;
    flex-shrink: 0;
    display: block;
}

.status-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--red);
    transition: background 0.5s;
    margin-left: 4px;
}

/* ── CHAT CONTAINER ───────────────────────── */

.chat-container {
    flex: 1;
    overflow-y: auto;
    padding: 32px 28px 120px;
    display: flex;
    flex-direction: column;
    gap: 18px;
    background:
        radial-gradient(ellipse at 15% 60%, rgba(61, 214, 140, 0.03) 0%, transparent 55%),
        radial-gradient(ellipse at 85% 15%, rgba(61, 214, 140, 0.02) 0%, transparent 50%);
}

/* ── MESSAGES ─────────────────────────────── */

.message {
    max-width: 78%;
    padding: 14px 18px;
    border-radius: 12px;
    line-height: 1.7;
    font-size: 15.5px;
    color: var(--text-primary);
    animation: msgIn 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.message.bot {
    background: var(--bg-elevated);
    align-self: flex-start;
    border: 1px solid var(--border);
    border-top-left-radius: 4px;
}

.message.user {
    background: var(--bg-input);
    align-self: flex-end;
    border: 1px solid var(--border-hover);
    border-top-right-radius: 4px;
}

.message.loading {
    animation: msgIn 0.25s ease, pulse 1.8s ease-in-out 0.25s infinite;
    color: var(--text-muted);
    font-style: italic;
}

.message.error {
    background: var(--red-bg);
    border: 1px solid rgba(248, 113, 113, 0.2);
    border-left: 3px solid var(--red);
    color: var(--red);
}

@keyframes msgIn {
    from { opacity: 0; transform: translateY(8px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50%      { opacity: 0.35; }
}

/* ── EXAMPLE QUERIES ─────────────────────── */

.example-queries {
    padding: 0 28px 20px;
    flex-shrink: 0;
}

.example-queries-label {
    font-size: 11px;
    color: var(--text-muted);
    margin-bottom: 10px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.example-queries-list {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
}

.example-query-btn {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 8px 14px;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: 20px;
    font-size: 14px;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s;
    font-family: 'Outfit', sans-serif;
}

.example-query-icon {
    width: 14px;
    height: 14px;
    flex-shrink: 0;
    color: var(--accent);
}

.example-query-btn:hover {
    background: var(--accent-dim);
    border-color: var(--accent);
    color: var(--accent);
}

.example-query-btn:active {
    transform: scale(0.97);
}

.example-queries.hidden {
    display: none;
}

/* ── INPUT ────────────────────────────────── */

.input-container {
    position: fixed;
    bottom: 0;
    left: var(--sidebar-width);
    right: 0;
    padding: 16px 28px 24px;
    background: var(--bg-base);
    border-top: 1px solid var(--border);
    z-index: 100;
    box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.12);
    transition: box-shadow 0.2s ease, left 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.input-wrapper {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--bg-surface);
    border: 2px solid var(--border);
    border-radius: 16px;
    padding: 10px 10px 10px 20px;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.1), 0 4px 20px rgba(0, 0, 0, 0.05);
}

.input-wrapper:hover {
    border-color: var(--border-hover);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12), 0 6px 24px rgba(0, 0, 0, 0.08);
    transform: translateY(-1px);
}

.input-wrapper:focus-within {
    border-color: var(--accent);
    box-shadow: 0 0 0 4px var(--accent-glow), 0 6px 20px rgba(61, 214, 140, 0.15);
    transform: translateY(-2px);
}

#messageInput {
    flex: 1;
    min-width: 0;
    background: transparent;
    border: none;
    outline: none;
    color: var(--text-primary);
    font-family: 'Outfit', sans-serif;
    font-size: 16px;
    padding: 14px 0;
    line-height: 1.5;
}

#messageInput::placeholder {
    color: var(--text-muted);
    opacity: 0.9;
}

.send-button {
    width: 52px;
    height: 52px;
    background: var(--accent);
    border: none;
    border-radius: 12px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    flex-shrink: 0;
    box-shadow: 0 3px 8px rgba(61, 214, 140, 0.3);
}

.send-button:hover {
    background: var(--accent-hover);
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 6px 16px rgba(61, 214, 140, 0.4);
}

.send-button:active {
    transform: translateY(-1px) scale(0.98);
    box-shadow: 0 2px 6px rgba(61, 214, 140, 0.3);
}

.send-button i {
    font-size: 22px;
    color: var(--bg-base);
}

/* ── SCROLLBAR ────────────────────────────── */

::-webkit-scrollbar        { width: 5px; }
::-webkit-scrollbar-track  { background: transparent; }
::-webkit-scrollbar-thumb  { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--border-hover); }

/* ── SOURCES ──────────────────────────────── */

.message.source-group {
    background: transparent;
    border: none;
    max-width: 82%;
    padding: 0;
    align-self: flex-start;
    position: relative;
    z-index: 150;
}

.sources-container {
    background: var(--bg-elevated);
    border-radius: 10px;
    border: 1px solid var(--border);
    overflow: hidden;
    transition: all 0.3s ease;
    position: relative;
    z-index: 200;
}

.sources-container.collapsed {
    border: 2px solid var(--accent);
    box-shadow: 0 2px 8px rgba(61, 214, 140, 0.15);
}

.sources-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 16px;
    cursor: pointer;
    transition: all 0.2s ease;
    user-select: none;
}

.sources-header:hover {
    background: rgba(61, 214, 140, 0.08);
}

.sources-header:active {
    background: rgba(61, 214, 140, 0.12);
}

.sources-header-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 500;
    color: var(--accent);
}

.sources-header-label svg {
    width: 15px;
    height: 15px;
    stroke: var(--accent);
    fill: none;
    flex-shrink: 0;
}

.sources-toggle {
    color: var(--text-muted);
    font-size: 14px;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    user-select: none;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 24px;
    min-height: 24px;
}

.sources-container.collapsed .sources-toggle {
    transform: rotate(-90deg);
}

.sources-container.collapsed .sources-header {
    border-bottom: none;
    background: rgba(61, 214, 140, 0.05);
    font-weight: 600;
}

.sources-container.collapsed .sources-header:hover {
    background: rgba(61, 214, 140, 0.12);
}

.sources-container.collapsed .sources-list {
    max-height: 0;
    padding: 0;
    border-top: none;
    overflow: hidden;
    opacity: 0;
}

.sources-list {
    padding: 8px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    border-top: 1px solid var(--border);
    max-height: 2000px;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1),
                padding 0.4s cubic-bezier(0.4, 0, 0.2, 1),
                opacity 0.3s ease;
    opacity: 1;
}

/* ── SOURCE CARDS ─────────────────────────── */

.source-card {
    background: var(--bg-surface);
    border-radius: 7px;
    border: 1px solid var(--border);
    overflow: hidden;
    transition: border-color 0.2s;
}

.source-card:hover {
    border-color: var(--border-hover);
}

.source-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 12px;
    cursor: pointer;
    gap: 10px;
}

.source-card-left {
    display: flex;
    align-items: center;
    gap: 9px;
    flex: 1;
    min-width: 0;
}

.source-card-right {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

.source-type-badge {
    padding: 3px 8px;
    border-radius: 4px;
    font-size: 10.5px;
    font-weight: 600;
    color: rgba(9, 18, 16, 0.9);
    white-space: nowrap;
    letter-spacing: 0.02em;
}

.source-title {
    font-size: 13px;
    color: var(--text-secondary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.relevance-badge {
    padding: 2px 7px;
    border-radius: 4px;
    font-size: 10.5px;
    font-weight: 600;
    color: rgba(9, 18, 16, 0.9);
}

.source-expand-icon {
    color: var(--text-muted);
    font-size: 9px;
    transition: transform 0.25s;
    user-select: none;
}

.source-card.expanded .source-expand-icon {
    transform: rotate(180deg);
}

.source-card-content {
    display: none;
    padding: 12px;
    border-top: 1px solid var(--border);
    background: var(--bg-base);
}

.source-card.expanded .source-card-content {
    display: block;
    animation: slideDown 0.2s ease;
}

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-6px); }
    to   { opacity: 1; transform: translateY(0); }
}

.source-details {
    margin-bottom: 10px;
}

.source-details p {
    margin: 3px 0;
    font-size: 12.5px;
    color: var(--text-muted);
}

.source-view-btn {
    display: inline-block;
    padding: 6px 14px;
    background: transparent;
    border: 1px solid var(--accent);
    color: var(--accent);
    border-radius: 5px;
    text-decoration: none;
    font-size: 12.5px;
    font-weight: 500;
    font-family: 'Outfit', sans-serif;
    transition: background 0.2s;
}

.source-view-btn:hover {
    background: var(--accent-dim);
}

/* ── MARKDOWN ─────────────────────────────── */

.markdown-content {
    line-height: 1.75;
}

.markdown-content p {
    margin-bottom: 10px;
    color: var(--text-primary);
}

.markdown-content p:last-child {
    margin-bottom: 0;
}

.markdown-content h1,
.markdown-content h2,
.markdown-content h3 {
    font-family: 'Cormorant Garamond', serif;
    margin-top: 18px;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--accent);
}

.markdown-content h1 { font-size: 1.6em; }
.markdown-content h2 { font-size: 1.35em; }
.markdown-content h3 { font-size: 1.15em; }

.markdown-content ul,
.markdown-content ol {
    margin: 10px 0;
    padding-left: 22px;
}

.markdown-content li {
    margin-bottom: 5px;
    color: var(--text-secondary);
}

.markdown-content code {
    background: var(--bg-input);
    border: 1px solid var(--border);
    padding: 2px 7px;
    border-radius: 4px;
    font-family: 'SF Mono', 'Fira Code', monospace;
    font-size: 0.88em;
    color: var(--accent);
}

.markdown-content pre {
    background: var(--bg-base);
    border: 1px solid var(--border);
    padding: 16px;
    border-radius: 8px;
    overflow-x: auto;
    margin: 12px 0;
}

.markdown-content pre code {
    background: transparent;
    border: none;
    padding: 0;
    color: var(--text-secondary);
    font-size: 13px;
}

.markdown-content blockquote {
    border-left: 3px solid var(--accent);
    padding-left: 14px;
    margin: 12px 0;
    color: var(--text-muted);
    font-style: italic;
}

.markdown-content a {
    color: var(--accent);
    text-decoration: none;
    border-bottom: 1px solid rgba(61, 214, 140, 0.3);
    transition: border-color 0.2s;
}

.markdown-content a:hover {
    border-color: var(--accent);
}

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

.markdown-content table {
    border-collapse: collapse;
    width: 100%;
    margin: 12px 0;
}

.markdown-content th,
.markdown-content td {
    border: 1px solid var(--border);
    padding: 8px 12px;
    text-align: left;
    font-size: 13px;
}

.markdown-content th {
    background: var(--bg-elevated);
    font-weight: 600;
    color: var(--text-secondary);
}

/* ── RESPONSIVE ───────────────────────────── */

@media (max-width: 768px) {
    .sidebar {
        position: fixed;
        left: 0;
        top: 0;
        z-index: 999;
        transform: translateX(-100%);
    }

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

    .sidebar-close-btn {
        display: block;
    }

    .menu-toggle-btn {
        display: block;
    }

    .header-btn {
        display: none;
    }

    .message {
        max-width: 90%;
    }

    .main-content {
        padding-bottom: var(--input-container-height-tablet);
    }

    .chat-container {
        padding: 24px 16px 110px;
    }

    .input-container {
        left: 0;
        padding: 14px 16px 22px;
        box-shadow: 0 -6px 16px rgba(0, 0, 0, 0.15);
    }

    .input-wrapper {
        border: 2px solid var(--border);
        border-radius: 16px;
        padding: 10px 10px 10px 18px;
        box-shadow: 0 2px 12px rgba(0, 0, 0, 0.1);
    }

    .input-wrapper:hover {
        transform: none;
    }

    .input-wrapper:focus-within {
        border-color: var(--accent);
        box-shadow: 0 0 0 4px var(--accent-glow), 0 4px 16px rgba(61, 214, 140, 0.15);
        transform: translateY(-1px);
    }

    #messageInput {
        font-size: 16px;
        padding: 14px 0;
    }

    .send-button {
        width: 50px;
        height: 50px;
        border-radius: 12px;
    }

    .send-button i {
        font-size: 21px;
    }

    .example-queries {
        padding: 0 16px 16px;
    }

    .sources-header {
        padding: 16px 18px;
    }

    .sources-toggle {
        font-size: 16px;
        min-width: 28px;
        min-height: 28px;
    }

    .source-card-header {
        padding: 12px 14px;
    }

    .brand-name {
        font-size: 24px;
    }

    .header {
        padding: 12px 18px;
    }

    .logo {
        width: 33px;
        height: 33px;
    }
}

/* ── RESPONSIVE (SMALL) ───────────────────── */

@media (max-width: 480px) {
    .sidebar {
        width: calc(100% - 48px);
    }

    .main-content {
        padding-bottom: var(--input-container-height-mobile);
    }

    .chat-container {
        padding: 18px 12px 100px;
        gap: 14px;
    }

    .input-container {
        left: 0;
        padding: 12px 12px 20px;
        box-shadow: 0 -6px 16px rgba(0, 0, 0, 0.15);
    }

    .input-wrapper {
        border: 2px solid var(--border);
        border-radius: 14px;
        padding: 8px 8px 8px 16px;
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    }

    .input-wrapper:hover {
        transform: none;
    }

    .input-wrapper:focus-within {
        border-color: var(--accent);
        box-shadow: 0 0 0 3px var(--accent-glow), 0 3px 14px rgba(61, 214, 140, 0.15);
        transform: translateY(-1px);
    }

    #messageInput {
        font-size: 16px;
        padding: 12px 0;
    }

    .send-button {
        width: 48px;
        height: 48px;
        border-radius: 11px;
    }

    .send-button i {
        font-size: 20px;
    }

    .example-queries {
        padding: 0 12px 12px;
    }

    .example-query-btn {
        font-size: 13px;
        padding: 7px 11px;
    }

    .message {
        max-width: 95%;
        font-size: 15px;
        padding: 11px 14px;
    }

    .brand-name {
        font-size: 20px;
    }

    .header {
        padding: 10px 12px;
    }

    .logo {
        width: 30px;
        height: 30px;
    }
}

/* ── MODAL ────────────────────────────────── */

.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    animation: fadeIn 0.2s ease;
}

.modal-overlay.active {
    display: flex;
}

.modal {
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 28px;
    max-width: 440px;
    width: 90%;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    animation: modalSlideIn 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.modal-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
    font-family: 'Cormorant Garamond', serif;
}

.modal-message {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 24px;
}

.modal-actions {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
}

.modal-btn {
    padding: 10px 20px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    border: none;
    font-family: 'Outfit', sans-serif;
}

.modal-btn-cancel {
    background: var(--bg-elevated);
    color: var(--text-secondary);
    border: 1px solid var(--border);
}

.modal-btn-cancel:hover {
    background: var(--bg-input);
    border-color: var(--border-hover);
}

.modal-btn-confirm {
    background: var(--accent);
    color: var(--bg-base);
}

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

.modal-btn-danger {
    background: var(--red);
    color: white;
}

.modal-btn-danger:hover {
    background: #ef4444;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-20px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}