/* ═══════════════════════════════════════════════════════════════
   FinSynapse — Clean Tech Design System
   Deep Dark Mode · Modern Sans-Serif · Organic Micro-interactions
   ═══════════════════════════════════════════════════════════════ */

/* ── Design Tokens ─────────────────────────────────────────────── */

:root {
    /* Deep Dark Palette */
    --bg: #0B0D17;
    --bg-card: #141622;
    --bg-elevated: #1A1D2E;
    --bg-sidebar: #0E1019;
    --bg-sidebar-hover: rgba(255, 255, 255, 0.05);
    --bg-input: #1A1D2E;

    /* Accent */
    --primary: #6C5CE7;
    --primary-light: #A29BFE;
    --primary-dark: #5A4BD1;
    --primary-glow: rgba(108, 92, 231, 0.25);

    /* Text */
    --text: #E8E9F0;
    --text-secondary: #8B8FA3;
    --text-sidebar: #9CA0B8;
    --text-sidebar-active: #FFFFFF;

    /* Borders */
    --border: rgba(255, 255, 255, 0.06);
    --border-light: rgba(255, 255, 255, 0.12);

    /* Messages */
    --msg-user-bg: linear-gradient(135deg, #6C5CE7 0%, #5A4BD1 100%);
    --msg-user-bg-flat: #6C5CE7;
    --msg-user-text: #FFFFFF;
    --msg-assistant-bg: #1A1D2E;
    --msg-assistant-text: #E8E9F0;
    --msg-tool-bg: rgba(255, 214, 0, 0.06);
    --msg-tool-border: #FFD600;

    /* Semantic */
    --success: #00E676;
    --warning: #FFD600;
    --error: #FF5252;

    /* Surfaces */
    --glass: rgba(20, 22, 34, 0.85);
    --glass-border: rgba(255, 255, 255, 0.08);

    /* Spacing */
    --radius: 14px;
    --radius-sm: 10px;
    --radius-xs: 6px;
    --shadow: 0 2px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);

    /* Animation */
    --ease: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
    --transition: 0.25s var(--ease);

    /* Layout */
    --sidebar-width: 300px;
    --font: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
}

/* ── Light Theme ───────────────────────────────────────────────── */

[data-theme="light"] {
    --bg: #F5F6FA;
    --bg-card: #FFFFFF;
    --bg-elevated: #F0F1F5;
    --bg-sidebar: #FFFFFF;
    --bg-sidebar-hover: rgba(0, 0, 0, 0.04);
    --bg-input: #F5F6FA;
    --text: #1A1D2E;
    --text-secondary: #6B7084;
    --text-sidebar: #4A4E69;
    --text-sidebar-active: #1A1D2E;
    --border: rgba(0, 0, 0, 0.08);
    --border-light: rgba(0, 0, 0, 0.12);
    --msg-assistant-bg: #F0F1F5;
    --msg-assistant-text: #1A1D2E;
    --msg-tool-bg: rgba(255, 214, 0, 0.08);
    --glass: rgba(255, 255, 255, 0.9);
    --glass-border: rgba(0, 0, 0, 0.08);
    --shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
}

/* ── Base ──────────────────────────────────────────────────────── */

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

html, body {
    height: 100%;
    font-family: var(--font);
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

::selection { background: var(--primary); color: white; }

/* ── Login ──────────────────────────────────────────────────────── */

.login-container {
    display: flex; align-items: center; justify-content: center;
    min-height: 100vh; padding: 24px;
    background: var(--bg);
    background-image:
        radial-gradient(ellipse 80% 50% at 50% -20%, var(--primary-glow), transparent);
}

.login-card {
    width: 100%; max-width: 420px;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius);
    padding: 48px 40px;
    box-shadow: var(--shadow-lg);
    animation: fadeUp 0.6s var(--ease) both;
}

@keyframes fadeUp {
    from { opacity: 0; transform: translateY(24px); }
    to { opacity: 1; transform: translateY(0); }
}

.login-header { text-align: center; margin-bottom: 36px; }
.login-logo { margin-bottom: 20px; }
.login-header h1 {
    font-size: 26px; font-weight: 700; letter-spacing: -0.5px;
    background: linear-gradient(135deg, var(--text) 0%, var(--text-secondary) 100%);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text;
}
.login-header p { color: var(--text-secondary); font-size: 14px; margin-top: 8px; line-height: 1.5; }

.form-group { margin-bottom: 20px; }
.form-group label {
    display: block; font-size: 13px; font-weight: 500;
    margin-bottom: 8px; color: var(--text-secondary);
    letter-spacing: 0.01em;
}
.form-group input {
    width: 100%; padding: 12px 16px;
    background: var(--bg-input);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm); font-size: 14px;
    color: var(--text); font-family: var(--font);
    transition: all var(--transition);
}
.form-group input::placeholder { color: var(--text-secondary); opacity: 0.5; }
.form-group input:focus {
    outline: none; border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
}

.btn-primary {
    width: 100%; padding: 14px; font-size: 15px; font-weight: 600;
    font-family: var(--font); letter-spacing: 0.01em;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white; border: none; border-radius: var(--radius-sm);
    cursor: pointer; transition: all var(--transition);
    position: relative; overflow: hidden;
}
.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 20px var(--primary-glow);
}
.btn-primary:active { transform: translateY(0); }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; transform: none; box-shadow: none; }

.error-message {
    background: rgba(255, 82, 82, 0.1); color: var(--error);
    padding: 12px 16px; border-radius: var(--radius-sm); font-size: 13px;
    margin-bottom: 16px; border: 1px solid rgba(255, 82, 82, 0.2);
}

/* ── App Layout ────────────────────────────────────────────────── */

.app-layout { display: flex; height: 100vh; overflow: hidden; }

/* ── Sidebar ───────────────────────────────────────────────────── */

.sidebar {
    width: var(--sidebar-width);
    min-width: var(--sidebar-width);
    background: var(--bg-sidebar);
    color: var(--text-sidebar);
    display: flex; flex-direction: column; flex-shrink: 0;
    border-right: 1px solid var(--border);
    overflow: hidden;
    position: relative;
    /* GPU-accelerated transitions : transform + margin au lieu de width */
    transition: transform 0.45s var(--ease),
                margin-left 0.45s var(--ease),
                box-shadow 0.3s var(--ease);
    will-change: transform, margin-left;
}

/* Dégradé subtil sur le bord droit : fond sidebar vers fond principal */
.sidebar::after {
    content: '';
    position: absolute; top: 0; right: -16px; bottom: 0; width: 16px;
    background: linear-gradient(to right, var(--bg-sidebar), transparent);
    pointer-events: none;
    opacity: 1;
    transition: opacity 0.4s var(--ease);
    z-index: 1;
}

/* Contenu interne : fondu synchronisé */
.sidebar > * {
    opacity: 1;
    transition: opacity 0.3s 0.1s var(--ease);
}

/* ── Collapsed state (desktop) — slide + fondu ─────── */
.sidebar.collapsed {
    transform: translateX(-100%);
    margin-left: calc(-1 * var(--sidebar-width));
}
.sidebar.collapsed > * {
    opacity: 0;
    transition: opacity 0.2s var(--ease);
}
.sidebar.collapsed::after { opacity: 0; }

/* Sidebar "peek" — apparaît au survol du bouton hamburger */
.sidebar.collapsed.peek {
    transform: translateX(0);
    margin-left: calc(-1 * var(--sidebar-width));
    position: absolute; top: 0; bottom: 0; left: 0;
    z-index: 100;
    box-shadow: 8px 0 32px rgba(0, 0, 0, 0.4);
}
.sidebar.collapsed.peek > * {
    opacity: 1;
    transition: opacity 0.3s 0.15s var(--ease);
}
.sidebar.collapsed.peek::after { opacity: 1; }

.sidebar-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 20px 20px 16px; flex-shrink: 0;
}

.sidebar-logo {
    display: flex; align-items: center; gap: 12px;
    font-weight: 600; font-size: 16px; color: var(--text);
    letter-spacing: -0.3px;
}

.sidebar-section { padding: 8px 16px; }

.sidebar-label {
    display: block; font-size: 10px; text-transform: uppercase;
    letter-spacing: 0.08em; color: var(--text-secondary); margin-bottom: 8px;
    font-weight: 600;
}

/* Le <select> natif est masqué par JS ; ce style sert de fallback si JS échoue */
.sidebar-select {
    width: 100%; padding: 11px 14px;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text); font-size: 13px; font-family: var(--font);
    cursor: pointer; transition: all var(--transition);
    appearance: none; -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg width='10' height='6' viewBox='0 0 10 6' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1L5 5L9 1' stroke='%236C5CE7' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat; background-position: right 12px center;
    padding-right: 36px; font-weight: 450; letter-spacing: 0.01em;
}

/* ── Custom Select (dropdown stylisé) ─────────────────────────── */

.cs-wrapper {
    position: relative; width: 100%;
}

.cs-trigger {
    width: 100%; display: flex; align-items: center; justify-content: space-between;
    padding: 10px 14px; gap: 8px;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text); font-size: 13px; font-family: var(--font);
    font-weight: 500; letter-spacing: 0.01em;
    cursor: pointer;
    transition: all 0.2s var(--ease);
    text-align: left;
}
.cs-trigger:hover {
    border-color: var(--primary);
    background: rgba(108, 92, 231, 0.06);
}
.cs-wrapper.cs-open .cs-trigger {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
    background: var(--bg-card);
}

.cs-value {
    flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}

.cs-chevron {
    flex-shrink: 0; color: var(--primary-light); opacity: 0.6;
    transition: transform 0.3s var(--ease), opacity 0.2s;
}
.cs-wrapper.cs-open .cs-chevron {
    transform: rotate(180deg); opacity: 1;
}

.cs-dropdown {
    position: absolute; top: calc(100% + 6px); left: 0; right: 0;
    z-index: 200;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.45), 0 0 0 1px rgba(108, 92, 231, 0.08);
    max-height: 240px; overflow-y: auto;
    padding: 4px;
    /* Animation d'apparition */
    opacity: 0; transform: translateY(-8px) scale(0.98);
    pointer-events: none;
    transition: opacity 0.2s var(--ease), transform 0.25s var(--ease);
}
.cs-wrapper.cs-open .cs-dropdown {
    opacity: 1; transform: translateY(0) scale(1);
    pointer-events: auto;
}

.cs-option {
    display: flex; align-items: center; justify-content: space-between;
    padding: 9px 12px; gap: 8px;
    border-radius: var(--radius-xs);
    font-size: 13px; color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.15s var(--ease);
}
.cs-option:hover {
    background: rgba(108, 92, 231, 0.08);
    color: var(--text);
}
.cs-option.cs-selected {
    color: var(--primary-light); font-weight: 550;
    background: rgba(108, 92, 231, 0.1);
}

.cs-option-text {
    flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}

.cs-check {
    flex-shrink: 0; opacity: 0; color: var(--primary-light);
    transition: opacity 0.15s;
}
.cs-option.cs-selected .cs-check { opacity: 1; }

/* Scrollbar du dropdown */
.cs-dropdown::-webkit-scrollbar { width: 4px; }
.cs-dropdown::-webkit-scrollbar-track { background: transparent; }
.cs-dropdown::-webkit-scrollbar-thumb { background: var(--primary-glow); border-radius: 4px; }

/* Light theme */
[data-theme="light"] .cs-dropdown {
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12), 0 0 0 1px rgba(108, 92, 231, 0.1);
}

.sidebar-history { flex: 1; overflow-y: auto; padding-bottom: 8px; }

.sidebar-search {
    width: 100%; padding: 10px 12px; margin-bottom: 8px;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text); font-size: 13px; font-family: var(--font);
    outline: none; transition: all var(--transition);
}
.sidebar-search::placeholder { color: var(--text-secondary); opacity: 0.5; }
.sidebar-search:focus { border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-glow); }

.sidebar-filter { margin-bottom: 8px; }

.conversation-list { display: flex; flex-direction: column; gap: 1px; }

.conv-group { margin-bottom: 2px; }
.conv-group-title {
    font-size: 10px; text-transform: uppercase; letter-spacing: 0.08em;
    color: var(--text-secondary); padding: 14px 20px 6px; font-weight: 600;
}
.conv-empty {
    padding: 24px 20px; text-align: center; font-size: 13px;
    color: var(--text-secondary); opacity: 0.6;
}

.conv-item {
    display: flex; align-items: center; padding: 10px 16px; font-size: 13px;
    color: var(--text-sidebar); cursor: pointer; border-radius: var(--radius-sm);
    margin: 1px 8px; transition: all var(--transition);
    border: none; background: none; text-align: left;
    width: calc(100% - 16px); gap: 8px;
}
.conv-item:hover { background: var(--bg-sidebar-hover); }
.conv-item.active {
    background: var(--primary-glow);
    color: var(--text-sidebar-active);
}

.conv-item-main { flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 3px; }
.conv-item-title { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-weight: 450; }
.conv-agent-tag {
    display: inline-block; font-size: 10px; padding: 2px 8px;
    background: var(--primary-glow);
    color: var(--primary-light);
    border-radius: 20px; white-space: nowrap; width: fit-content;
    font-weight: 500;
}

.conv-item-actions {
    display: flex; gap: 2px; opacity: 0; transition: opacity var(--transition);
    flex-shrink: 0;
}
.conv-item:hover .conv-item-actions { opacity: 1; }
.conv-action-btn {
    width: 26px; height: 26px; border: none; background: none;
    color: var(--text-secondary); cursor: pointer; display: flex;
    align-items: center; justify-content: center;
    border-radius: var(--radius-xs); padding: 0;
    transition: all var(--transition);
}
.conv-action-btn:hover { color: var(--text); background: var(--bg-sidebar-hover); }
.conv-delete-btn:hover { color: var(--error); }

.sidebar-footer {
    display: flex; align-items: center;
    padding: 14px 16px; border-top: 1px solid var(--border);
    flex-shrink: 0;
}
.user-info {
    font-size: 12px; overflow: hidden; text-overflow: ellipsis;
    white-space: nowrap; color: var(--text-secondary); font-weight: 500;
}

/* ── Chat Main ─────────────────────────────────────────────────── */

.chat-main {
    flex: 1; display: flex; flex-direction: column; overflow: hidden;
    position: relative; background: var(--bg);
    /* Accompagne le slide de la sidebar en douceur */
    transition: margin-left 0.45s var(--ease);
}

/* ── Topbar (toujours visible en haut du chat) ────────────────── */

.topbar {
    display: flex; align-items: center; justify-content: space-between;
    padding: 10px 16px; flex-shrink: 0;
    z-index: 10; position: relative;
}
.topbar-left { display: flex; align-items: center; gap: 4px; }
.topbar-right { display: flex; align-items: center; gap: 4px; }
.topbar-btn {
    color: var(--text-secondary);
    transition: all 0.2s var(--ease);
}
.topbar-btn:hover {
    color: var(--text);
    background: rgba(108, 92, 231, 0.08);
}

.sidebar-toggle { display: flex; }
.btn-home { display: flex; }
.btn-home:hover { color: var(--primary-light); }

.btn-about-trigger {
    display: flex; align-items: center; gap: 6px;
    padding: 6px 14px;
    background: rgba(108, 92, 231, 0.08);
    border: 1px solid rgba(108, 92, 231, 0.15);
    border-radius: 20px;
    font-family: var(--font); font-size: 12px; font-weight: 550;
    color: var(--primary-light);
    cursor: pointer;
    transition: all 0.2s var(--ease);
}
.btn-about-trigger:hover {
    background: rgba(108, 92, 231, 0.14);
    border-color: var(--primary);
}
.btn-about-trigger svg { flex-shrink: 0; }

/* ── About Panel (slide-out droite) ───────────────────────────── */

.about-overlay {
    position: fixed; inset: 0; z-index: 199;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(4px);
    opacity: 0; pointer-events: none;
    transition: opacity 0.35s var(--ease);
}
.about-overlay.open { opacity: 1; pointer-events: auto; }

.about-panel {
    position: fixed; top: 0; right: 0; bottom: 0;
    width: 420px; max-width: 90vw;
    z-index: 200;
    background: var(--bg-card);
    border-left: 1px solid var(--border);
    box-shadow: -8px 0 40px rgba(0, 0, 0, 0.3);
    display: flex; flex-direction: column;
    transform: translateX(100%);
    transition: transform 0.4s var(--ease);
    overflow: hidden;
}
.about-panel.open { transform: translateX(0); }

.about-panel-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 20px 24px 16px; flex-shrink: 0;
    border-bottom: 1px solid var(--border);
}
.about-panel-header h3 {
    font-size: 16px; font-weight: 650; color: var(--text);
    margin: 0; letter-spacing: -0.3px;
}

.about-panel-body {
    flex: 1; overflow-y: auto; padding: 8px 0;
}

.about-panel-body .faq-about-item + .faq-about-item {
    border-top: 1px solid var(--border);
}

.about-panel-body .faq-about-q {
    width: 100%; display: flex; align-items: center; gap: 10px;
    padding: 14px 24px;
    background: none; border: none; cursor: pointer;
    font-family: var(--font); font-size: 13.5px; font-weight: 550;
    color: var(--text); text-align: left;
    transition: background 0.2s var(--ease);
}
.about-panel-body .faq-about-q:hover { background: rgba(108, 92, 231, 0.04); }
.about-panel-body .faq-about-q span { flex: 1; }
.about-panel-body .faq-about-q .faq-chevron {
    flex-shrink: 0; color: var(--text-secondary); opacity: 0.5;
    transition: transform 0.3s var(--ease), opacity 0.2s;
}
.about-panel-body .faq-about-item.open .faq-about-q .faq-chevron {
    transform: rotate(180deg); opacity: 0.8;
}
.about-panel-body .faq-about-item.open .faq-about-q {
    color: var(--primary-light); background: rgba(108, 92, 231, 0.04);
}

.about-panel-body .faq-about-a {
    max-height: 0; overflow: hidden;
    transition: max-height 0.4s var(--ease), padding 0.3s var(--ease);
    padding: 0 24px;
}
.about-panel-body .faq-about-item.open .faq-about-a {
    max-height: 500px; padding: 4px 24px 18px;
}
.about-panel-body .faq-about-a p {
    font-size: 13px; line-height: 1.7; color: var(--text-secondary); margin: 0 0 8px;
}
.about-panel-body .faq-about-a p:last-child { margin-bottom: 0; }
.about-panel-body .faq-about-a strong { color: var(--text); font-weight: 600; }
.about-panel-body .faq-about-a em { color: var(--primary-light); font-style: italic; }

.messages-container { flex: 1; overflow-y: auto; padding: 24px; }
.messages-wrapper { max-width: 820px; margin: 0 auto; padding-top: 48px; }

/* ── Messages ──────────────────────────────────────────────────── */

.message {
    margin-bottom: 20px; display: flex; gap: 14px;
    animation: msgIn 0.45s var(--ease) both;
}

@keyframes msgIn {
    from { opacity: 0; transform: translateY(12px) scale(0.98); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

.message-avatar {
    width: 36px; height: 36px; border-radius: 12px; flex-shrink: 0;
    display: flex; align-items: center; justify-content: center;
    font-size: 13px; font-weight: 600; letter-spacing: -0.02em;
}

.message-user .message-avatar {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
}
.message-assistant .message-avatar {
    background: var(--bg-elevated);
    color: var(--text-secondary);
    border: 1px solid var(--border);
}

.message-body { flex: 1; min-width: 0; max-width: calc(100% - 50px); }

.message-content {
    padding: 14px 18px; border-radius: var(--radius); line-height: 1.7;
    font-size: 14px; word-wrap: break-word; overflow-wrap: break-word;
    letter-spacing: 0.01em;
}

.message-user .message-content {
    background: var(--msg-user-bg);
    color: var(--msg-user-text);
    border-radius: var(--radius) var(--radius) 4px var(--radius);
}
.message-assistant .message-content {
    background: var(--msg-assistant-bg);
    color: var(--msg-assistant-text);
    border: 1px solid var(--border);
    border-radius: 4px var(--radius) var(--radius) var(--radius);
}

.message-assistant .message-content pre {
    background: #0E1019; color: #C8CDD8;
    padding: 16px; border-radius: var(--radius-sm);
    overflow-x: auto; margin: 10px 0; font-size: 13px;
    border: 1px solid var(--border);
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
}
.message-assistant .message-content code {
    background: rgba(108, 92, 231, 0.12);
    color: var(--primary-light);
    padding: 3px 7px; border-radius: 6px; font-size: 13px;
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
}
.message-assistant .message-content pre code { background: none; padding: 0; color: inherit; }

/* ── Agent Badge ───────────────────────────────────────────────── */

.agent-badge {
    display: inline-flex; align-items: center; font-size: 11px;
    padding: 3px 12px; font-weight: 500;
    background: var(--primary-glow);
    color: var(--primary-light);
    border-radius: 20px; margin-bottom: 6px;
    border: 1px solid rgba(108, 92, 231, 0.2);
    letter-spacing: 0.01em;
}

/* ── Message Actions ───────────────────────────────────────────── */

.message-actions {
    display: flex; gap: 4px; margin-top: 6px; padding-left: 2px;
    opacity: 0; transition: opacity var(--transition);
}
.message:hover .message-actions { opacity: 1; }

.msg-action-btn {
    width: 30px; height: 30px; border: none;
    background: transparent;
    color: var(--text-secondary); cursor: pointer; display: flex;
    align-items: center; justify-content: center;
    border-radius: var(--radius-xs); padding: 0;
    transition: all var(--transition);
}
.msg-action-btn:hover {
    background: var(--bg-elevated);
    color: var(--text);
}

.feedback-btn.active { color: var(--primary); }
.feedback-btn.active:hover { color: var(--primary-light); }

/* ── Markdown Tables ───────────────────────────────────────────── */

.md-table {
    width: 100%; border-collapse: collapse; margin: 12px 0; font-size: 13px;
    border-radius: var(--radius-sm); overflow: hidden;
}
.md-table th {
    padding: 10px 14px; text-align: left; font-weight: 600;
    background: rgba(108, 92, 231, 0.08);
    color: var(--primary-light);
    border-bottom: 2px solid var(--border-light);
    font-size: 12px; text-transform: uppercase; letter-spacing: 0.04em;
}
.md-table td {
    padding: 10px 14px; border-bottom: 1px solid var(--border);
}
.md-table tr { transition: background var(--transition); }
.md-table tr:hover { background: rgba(255, 255, 255, 0.02); }

/* ── Tool Indicator ────────────────────────────────────────────── */

.tool-indicator {
    display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
    margin: 5px 0; padding: 8px 14px;
    background: var(--msg-tool-bg);
    border-left: 3px solid var(--msg-tool-border);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    font-size: 13px; color: var(--text-secondary);
    line-height: 1.5;
}
.tool-indicator .tool-icon { font-size: 14px; flex-shrink: 0; }
.tool-indicator .tool-label { font-weight: 550; color: var(--text); }
.tool-indicator .tool-result-summary {
    font-size: 12px; color: var(--text-secondary); font-weight: 400;
}
.tool-indicator .typing-indicator { margin-left: 4px; }

/* ── Welcome / MCP Showcase ────────────────────────────────────── */

.welcome-message {
    text-align: center; padding: 40px 24px 60px;
    animation: fadeUp 0.6s var(--ease) both;
    position: relative; max-width: 720px; margin: 0 auto;
}
.welcome-glow {
    position: absolute; top: -80px; left: 50%; transform: translateX(-50%);
    width: 500px; height: 500px;
    background: radial-gradient(circle, var(--primary-glow) 0%, transparent 70%);
    pointer-events: none; opacity: 0.4;
    animation: breathe 4s ease-in-out infinite;
}

/* Hero */
.welcome-hero { margin-bottom: 40px; position: relative; z-index: 1; }
.welcome-logo-large { margin-bottom: 16px; }
.welcome-message h2 {
    font-size: 32px; font-weight: 700; letter-spacing: -0.5px;
    margin-bottom: 12px;
    background: linear-gradient(135deg, var(--text) 0%, var(--text-secondary) 100%);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text;
}
.welcome-subtitle {
    color: var(--text-secondary); font-size: 15px; line-height: 1.7;
    margin-bottom: 0;
}
.welcome-subtitle strong { color: var(--primary-light); font-weight: 600; }

/* Section Label */
.mcp-section-label {
    display: inline-flex; align-items: center; gap: 8px;
    font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em;
    color: var(--text-secondary); font-weight: 600; margin-bottom: 16px;
}

/* MCP Showcase — breakout du conteneur 720px */
.mcp-showcase {
    margin-bottom: 36px; position: relative; z-index: 1;
    animation: fadeUp 0.6s var(--ease) 0.1s both;
    /* Déborde du parent 720px */
    width: calc(100% + 160px); margin-left: -80px;
    max-width: 960px;
}
.mcp-grid {
    display: flex; gap: 12px; text-align: left;
    overflow-x: auto; scroll-snap-type: x mandatory;
    scroll-behavior: smooth; -webkit-overflow-scrolling: touch;
    padding: 4px 4px 8px;
    scrollbar-width: none;
}
.mcp-grid::-webkit-scrollbar { display: none; }
.mcp-grid .mcp-card {
    min-width: calc(33.333% - 8px); flex-shrink: 0;
    scroll-snap-align: start;
}
/* Scroll indicators */
.mcp-carousel-nav {
    display: none; align-items: center; justify-content: center;
    gap: 6px; margin-top: 10px;
}
.mcp-carousel-dot {
    width: 7px; height: 7px; border-radius: 50%;
    background: var(--border-light); border: none; cursor: pointer;
    padding: 0; transition: all var(--transition);
}
.mcp-carousel-dot.active {
    background: var(--primary); width: 20px; border-radius: 4px;
}
.mcp-carousel-dot:hover { background: var(--text-secondary); }
.mcp-carousel-dot.active:hover { background: var(--primary); }
/* Scroll arrows */
.mcp-carousel-arrows {
    position: absolute; top: 50%; left: -6px; right: -6px;
    display: none; justify-content: space-between;
    pointer-events: none; z-index: 2;
    transform: translateY(-50%);
}
.mcp-carousel-arrow {
    width: 28px; height: 28px; border-radius: 50%;
    background: var(--bg-card); border: 1px solid var(--border-light);
    display: flex; align-items: center; justify-content: center;
    cursor: pointer; pointer-events: auto;
    transition: all var(--transition); opacity: 0;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}
.mcp-showcase:hover .mcp-carousel-arrow { opacity: 1; }
.mcp-carousel-arrow:hover {
    background: var(--primary); border-color: var(--primary);
    color: white;
}
.mcp-carousel-arrow.hidden { opacity: 0 !important; pointer-events: none; }
/* Tablette : 2 cartes visibles + scroll */
@media (max-width: 900px) {
    .mcp-showcase { width: calc(100% + 40px); margin-left: -20px; max-width: none; }
    .mcp-grid .mcp-card { min-width: calc(50% - 6px); }
    .mcp-carousel-nav { display: flex; }
    .mcp-carousel-arrows { display: flex; }
}
/* Mobile : 1 carte visible + scroll */
@media (max-width: 600px) {
    .mcp-showcase { width: calc(100% + 20px); margin-left: -10px; }
    .mcp-grid .mcp-card { min-width: 85%; }
}
.mcp-card {
    background: var(--bg-card); border: 1px solid var(--border-light);
    border-radius: var(--radius); padding: 16px 18px;
    transition: all var(--transition); position: relative;
}
.mcp-card.mcp-active {
    border-color: var(--primary);
    box-shadow: 0 0 0 1px var(--primary-glow), 0 4px 24px rgba(108, 92, 231, 0.1);
}
.mcp-card.mcp-active:hover {
    box-shadow: 0 0 0 1px var(--primary-glow), 0 8px 32px rgba(108, 92, 231, 0.15);
    transform: translateY(-2px);
}
.mcp-card.mcp-coming {
    opacity: 0.55; border-style: dashed;
    transition: all var(--transition);
}
.mcp-card.mcp-coming:hover {
    opacity: 0.8; transform: translateY(-2px);
}
.mcp-card-status {
    display: flex; align-items: center; gap: 5px;
    font-size: 10px; font-weight: 600; color: var(--success);
    margin-bottom: 10px; text-transform: uppercase; letter-spacing: 0.06em;
}
.mcp-status-dot {
    width: 6px; height: 6px; border-radius: 50%;
    background: var(--success); animation: breathe 2s ease-in-out infinite;
}
.mcp-card-icon {
    width: 40px; height: 40px; border-radius: var(--radius-sm);
    background: var(--primary-glow);
    display: flex; align-items: center; justify-content: center;
    margin-bottom: 10px;
}
.mcp-icon-coming { background: var(--bg-elevated); }
.mcp-card-icon-img {
    background: transparent; overflow: hidden;
}
.mcp-card-icon-img img {
    width: 36px; height: 36px; object-fit: contain;
    border-radius: var(--radius-xs);
}
.mcp-status-coming { color: var(--warning); }
.mcp-dot-coming {
    background: var(--warning); animation: breathe 2s ease-in-out infinite;
}
.mcp-card-title {
    font-size: 15px; font-weight: 700; margin-bottom: 6px; letter-spacing: -0.2px;
}
.mcp-card-desc {
    font-size: 12px; color: var(--text-secondary);
    line-height: 1.5; margin-bottom: 12px;
    display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical;
    overflow: hidden;
}
.mcp-card-meta {
    display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 12px;
}
.mcp-meta-pill {
    display: inline-flex; align-items: center; gap: 4px;
    padding: 3px 8px; background: var(--bg-elevated);
    border-radius: 20px; font-size: 10px; font-weight: 500;
    color: var(--text-secondary);
}
.mcp-select-btn {
    width: 100%; padding: 8px; border-radius: var(--radius-sm);
    font-size: 12px; font-weight: 600; font-family: var(--font);
    cursor: pointer; transition: all var(--transition);
    display: flex; align-items: center; justify-content: center; gap: 5px;
    border: 1px solid var(--border-light); background: var(--bg-elevated);
    color: var(--text-secondary);
}
.mcp-select-btn:hover:not(:disabled) {
    border-color: var(--primary); color: var(--primary-light);
}
.mcp-select-btn:disabled { opacity: 0.5; cursor: not-allowed; }
.mcp-btn-selected {
    background: var(--primary-glow); border-color: var(--primary);
    color: var(--primary-light);
}

/* Capabilities */
.capabilities-section {
    margin-bottom: 36px; position: relative; z-index: 1;
    animation: fadeUp 0.6s var(--ease) 0.2s both;
}
.capabilities-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 10px; text-align: left;
}
.capability-card {
    display: flex; gap: 12px; padding: 14px 16px;
    background: var(--bg-card); border: 1px solid var(--border);
    border-radius: var(--radius-sm); transition: all var(--transition);
}
.capability-card:hover {
    border-color: var(--primary); background: var(--primary-glow);
    transform: translateY(-2px);
}
.capability-icon {
    width: 40px; height: 40px; border-radius: var(--radius-xs);
    background: var(--bg-elevated);
    display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.capability-text h5 {
    font-size: 13px; font-weight: 600; margin-bottom: 3px; letter-spacing: -0.1px;
}
.capability-text p {
    font-size: 12px; color: var(--text-secondary); line-height: 1.5; margin-bottom: 0;
}

/* Quick Start */
.welcome-quickstart {
    position: relative; z-index: 1;
    animation: fadeUp 0.6s var(--ease) 0.3s both;
}
.quickstart-label {
    font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em;
    color: var(--text-secondary); font-weight: 600; margin-bottom: 14px;
}

.welcome-suggestions { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }
.suggestion-btn {
    padding: 12px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius);
    font-size: 13px; font-family: var(--font); font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer; transition: all var(--transition);
    display: inline-flex; align-items: center;
}
.suggestion-btn:hover {
    border-color: var(--primary);
    color: var(--primary-light);
    background: var(--primary-glow);
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(108, 92, 231, 0.15);
}

/* ── Input Area ────────────────────────────────────────────────── */

.input-container {
    padding: 16px 24px 20px;
    border-top: 1px solid var(--border);
    background: var(--bg-card);
}
.input-wrapper {
    max-width: 820px; margin: 0 auto; display: flex; align-items: flex-end;
    gap: 8px; background: var(--bg-input);
    border: 1px solid var(--border-light);
    border-radius: var(--radius); padding: 10px 14px;
    transition: all var(--transition);
}
.input-wrapper:focus-within {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
}
.input-wrapper textarea {
    flex: 1; border: none; background: none; resize: none;
    font-size: 14px; font-family: var(--font); line-height: 1.5;
    max-height: 120px; outline: none; color: var(--text);
}
.input-wrapper textarea::placeholder { color: var(--text-secondary); opacity: 0.5; }

.btn-send {
    width: 38px; height: 38px; border-radius: 12px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white; border: none; cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0; transition: all var(--transition);
}
.btn-send:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 16px var(--primary-glow);
}
.btn-send:active { transform: scale(0.95); }
.btn-send:disabled { opacity: 0.3; cursor: not-allowed; transform: none; box-shadow: none; }

.input-info {
    max-width: 820px; margin: 8px auto 0; display: flex;
    justify-content: space-between; font-size: 11px;
    color: var(--text-secondary); font-weight: 500;
}
.status-idle { color: var(--success); }
.status-thinking { color: var(--warning); }
.status-error { color: var(--error); }

/* ── Chat Header ───────────────────────────────────────────────── */

.chat-header {
    display: flex; align-items: center; justify-content: space-between;
    padding: 14px 24px; border-bottom: 1px solid var(--border);
    background: var(--bg-card);
    backdrop-filter: blur(20px);
}
.chat-header-title {
    font-size: 15px; font-weight: 600; overflow: hidden;
    text-overflow: ellipsis; white-space: nowrap;
    letter-spacing: -0.2px;
}
.chat-header-actions { display: flex; gap: 6px; }

/* ── Voice Input ───────────────────────────────────────────────── */

.btn-voice {
    width: 38px; height: 38px; border-radius: 12px; border: none;
    background: none; color: var(--text-secondary); cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0; transition: all var(--transition);
}
.btn-voice:hover { color: var(--primary); background: var(--primary-glow); }
.btn-voice.voice-active {
    color: var(--error); background: rgba(255, 82, 82, 0.1);
    animation: voicePulse 1.5s infinite;
}
@keyframes voicePulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(255, 82, 82, 0.3); }
    50% { box-shadow: 0 0 0 10px rgba(255, 82, 82, 0); }
}

/* ── File Attach ───────────────────────────────────────────────── */

.btn-attach { color: var(--text-secondary); flex-shrink: 0; }
.btn-attach:hover { color: var(--primary); }

.chat-main.drag-over::after {
    content: 'Déposez vos fichiers ici';
    position: absolute; inset: 0; z-index: 50;
    display: flex; align-items: center; justify-content: center;
    background: var(--primary-glow);
    border: 2px dashed var(--primary);
    border-radius: var(--radius); font-size: 18px; font-weight: 600;
    color: var(--primary-light); pointer-events: none;
    backdrop-filter: blur(12px);
}

/* ── Buttons ───────────────────────────────────────────────────── */

.btn-icon {
    width: 34px; height: 34px; border-radius: var(--radius-sm);
    border: none; background: none; color: var(--text-sidebar);
    cursor: pointer; display: flex; align-items: center;
    justify-content: center; transition: all var(--transition);
}
.btn-icon:hover { background: var(--bg-sidebar-hover); color: var(--text); }

/* ── Theme Toggle ──────────────────────────────────────────────── */

.btn-theme-toggle {
    width: 34px; height: 34px; border-radius: var(--radius-sm);
    border: none; background: none; color: var(--text-sidebar);
    cursor: pointer; display: flex; align-items: center;
    justify-content: center; transition: all var(--transition);
}
.btn-theme-toggle:hover { background: var(--bg-sidebar-hover); color: var(--text); }
.theme-icon-dark { display: none; }
[data-theme="light"] .theme-icon-light { display: none; }
[data-theme="light"] .theme-icon-dark { display: block; }

/* ── Typing Indicator ──────────────────────────────────────────── */

.typing-indicator { display: flex; gap: 5px; padding: 6px 0; }
.typing-indicator span {
    width: 7px; height: 7px; border-radius: 50%;
    background: var(--primary-light);
    animation: typingDot 1.4s infinite both;
}
.typing-indicator span:nth-child(2) { animation-delay: 0.2s; }
.typing-indicator span:nth-child(3) { animation-delay: 0.4s; }
@keyframes typingDot {
    0%, 60%, 100% { opacity: 0.2; transform: scale(0.7); }
    30% { opacity: 1; transform: scale(1); }
}

/* ── Thinking Indicator (inside message bubble) ───────────────── */

.thinking-indicator {
    display: flex; align-items: center; gap: 12px;
    padding: 4px 0;
}
.thinking-dots {
    display: flex; gap: 4px;
}
.thinking-dots span {
    width: 8px; height: 8px; border-radius: 50%;
    background: var(--primary-light);
    animation: thinkingBounce 1.4s infinite ease-in-out;
}
.thinking-dots span:nth-child(2) { animation-delay: 0.16s; }
.thinking-dots span:nth-child(3) { animation-delay: 0.32s; }
@keyframes thinkingBounce {
    0%, 80%, 100% { transform: scale(0.6); opacity: 0.3; }
    40% { transform: scale(1); opacity: 1; }
}
.thinking-text {
    font-size: 13px; color: var(--text-secondary); font-style: italic;
    animation: thinkingFade 2s ease-in-out infinite;
}
@keyframes thinkingFade {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

/* ── Code Blocks (highlight.js) ───────────────────────────────── */

.code-block {
    position: relative; margin: 12px 0; border-radius: var(--radius-sm);
    overflow: hidden; border: 1px solid var(--border);
}
.code-block pre {
    margin: 0 !important; border: none !important;
    border-radius: 0 !important;
    padding: 16px !important;
    background: #0d1117 !important;
    font-size: 13px;
    line-height: 1.55;
}
.code-block pre code {
    background: none !important; padding: 0 !important;
    color: #c9d1d9 !important; font-size: 13px !important;
    border-radius: 0 !important;
}
.code-lang {
    position: absolute; top: 0; right: 40px;
    background: rgba(108, 92, 231, 0.2);
    color: var(--primary-light);
    font-size: 10px; font-weight: 600; text-transform: uppercase;
    padding: 3px 10px; border-radius: 0 0 var(--radius-xs) var(--radius-xs);
    letter-spacing: 0.06em;
}
.code-copy-btn {
    position: absolute; top: 6px; right: 8px;
    background: rgba(255, 255, 255, 0.08);
    border: none; color: var(--text-secondary);
    width: 28px; height: 28px; border-radius: var(--radius-xs);
    cursor: pointer; display: flex; align-items: center; justify-content: center;
    opacity: 0; transition: opacity var(--transition), background var(--transition);
}
.code-block:hover .code-copy-btn { opacity: 1; }
.code-copy-btn:hover { background: rgba(255, 255, 255, 0.15); color: var(--text); }

/* Markdown content inside messages */
.message-content h1,
.message-content h2,
.message-content h3,
.message-content h4,
.message-content h5,
.message-content h6 {
    margin-top: 16px; margin-bottom: 8px;
    font-weight: 600; line-height: 1.3;
    letter-spacing: -0.2px;
}
.message-content h1 { font-size: 1.4em; }
.message-content h2 { font-size: 1.25em; }
.message-content h3 { font-size: 1.1em; }
.message-content h4,
.message-content h5,
.message-content h6 { font-size: 1em; }
.message-content h1:first-child,
.message-content h2:first-child,
.message-content h3:first-child { margin-top: 0; }

.message-content ul,
.message-content ol {
    margin: 8px 0; padding-left: 24px;
}
.message-content li {
    margin-bottom: 4px; line-height: 1.6;
}
.message-content li > ul,
.message-content li > ol { margin-top: 4px; }

.message-content blockquote {
    border-left: 3px solid var(--primary);
    margin: 10px 0; padding: 8px 16px;
    background: var(--primary-glow);
    border-radius: 0 var(--radius-xs) var(--radius-xs) 0;
    color: var(--text-secondary);
}

.message-content hr {
    border: none; border-top: 1px solid var(--border);
    margin: 16px 0;
}

.message-content a {
    color: var(--primary-light); text-decoration: none;
    border-bottom: 1px solid rgba(162, 155, 254, 0.3);
}
.message-content a:hover {
    border-bottom-color: var(--primary-light);
}

.message-content p { margin-bottom: 8px; }
.message-content p:last-child { margin-bottom: 0; }

/* Light theme adjustments for code blocks */
[data-theme="light"] .code-block pre { background: #f6f8fa !important; }
[data-theme="light"] .code-block pre code { color: #24292f !important; }
[data-theme="light"] .code-copy-btn { background: rgba(0, 0, 0, 0.05); }
[data-theme="light"] .code-copy-btn:hover { background: rgba(0, 0, 0, 0.1); }

/* ── Floating Action Bubble (FAB) ──────────────────────────────── */

.fab-container {
    position: fixed; bottom: 24px; right: 24px; z-index: 500;
    display: flex; flex-direction: column-reverse; align-items: center; gap: 10px;
}

.fab-trigger {
    width: 52px; height: 52px; border-radius: 16px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white; border: none; cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    box-shadow: 0 4px 20px var(--primary-glow);
    transition: all 0.3s var(--ease-spring);
    position: relative;
}
.fab-trigger:hover {
    transform: scale(1.08);
    box-shadow: 0 6px 28px var(--primary-glow);
}
.fab-trigger:active { transform: scale(0.95); }
.fab-trigger.open { border-radius: 50%; }
.fab-trigger.open svg { transform: rotate(45deg); }
.fab-trigger svg { transition: transform 0.3s var(--ease-spring); }

.fab-menu {
    display: flex; flex-direction: column; gap: 8px;
    opacity: 0; pointer-events: none;
    transform: translateY(10px) scale(0.9);
    transition: all 0.3s var(--ease-spring);
}
.fab-menu.open {
    opacity: 1; pointer-events: auto;
    transform: translateY(0) scale(1);
}

.fab-item {
    display: flex; align-items: center; gap: 10px;
    padding: 10px 16px; min-width: 180px;
    background: var(--glass);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    color: var(--text); font-size: 13px; font-weight: 500;
    font-family: var(--font);
    cursor: pointer; white-space: nowrap;
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow);
    transition: all var(--transition);
}
.fab-item:hover {
    background: var(--primary-glow);
    border-color: var(--primary);
    color: var(--primary-light);
    transform: translateX(-4px);
}
.fab-item svg { flex-shrink: 0; }

.fab-item-danger { color: var(--error); }
.fab-item-danger:hover {
    background: rgba(255, 82, 82, 0.1);
    border-color: var(--error);
    color: var(--error);
}

/* ── Guide Accordion (Welcome Page) ──────────────────────────────── */

.guide-section {
    margin-bottom: 36px; position: relative; z-index: 1;
    animation: fadeUp 0.6s var(--ease) 0.25s both;
    text-align: left;
}

.guide-accordion {
    display: flex; flex-direction: column; gap: 6px;
}

.guide-category {
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    overflow: hidden; transition: all var(--transition);
}
.guide-category:hover { border-color: var(--border-light); }

.guide-category-header {
    display: flex; align-items: center; gap: 12px;
    width: 100%; padding: 14px 18px;
    background: var(--bg-card);
    border: none; cursor: pointer;
    font-family: var(--font); text-align: left;
    color: var(--text); transition: all var(--transition);
}
.guide-category-header:hover { background: rgba(108, 92, 231, 0.04); }

.guide-cat-icon {
    width: 36px; height: 36px; border-radius: var(--radius-xs);
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
}
.guide-cat-title { flex: 1; font-size: 14px; font-weight: 600; letter-spacing: -0.1px; }
.guide-cat-count {
    font-size: 11px; color: var(--text-secondary); font-weight: 500;
    padding: 2px 10px; background: var(--bg-elevated);
    border-radius: 20px; white-space: nowrap;
}
.guide-chevron {
    color: var(--text-secondary); transition: transform 0.3s var(--ease);
    flex-shrink: 0;
}
.guide-category.open .guide-chevron { transform: rotate(180deg); }

.guide-category-body {
    display: none; padding: 0 18px 16px;
    background: var(--bg-card);
}
.guide-category.open .guide-category-body { display: block; }

.guide-tool {
    display: flex; gap: 10px; align-items: baseline;
    padding: 6px 0; border-bottom: 1px solid var(--border);
}
.guide-tool:last-of-type { border-bottom: none; }
.guide-tool-name {
    font-size: 12px; font-weight: 600; font-family: 'JetBrains Mono', monospace;
    color: var(--primary-light); white-space: nowrap;
    padding: 2px 8px; background: rgba(108, 92, 231, 0.1);
    border-radius: 4px;
}
.guide-tool-desc {
    font-size: 12.5px; color: var(--text-secondary); line-height: 1.5;
}

.guide-examples {
    display: flex; flex-wrap: wrap; gap: 6px;
    margin-top: 12px; padding-top: 10px;
    border-top: 1px solid var(--border);
}
.guide-example-btn {
    padding: 6px 12px; border-radius: 20px;
    background: var(--bg);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    font-size: 12px; font-family: var(--font); font-weight: 450;
    cursor: pointer; transition: all var(--transition);
    white-space: nowrap;
}
.guide-example-btn:hover {
    border-color: var(--primary);
    color: var(--primary-light);
    background: var(--primary-glow);
    transform: translateY(-1px);
}

@media (max-width: 768px) {
    .guide-category-header { padding: 12px 14px; }
    .guide-category-body { padding: 0 14px 14px; }
    .guide-tool { flex-direction: column; gap: 2px; }
}

/* ── Response Meta (time + tokens) ─────────────────────────────── */

.response-meta {
    font-size: 11px; color: var(--text-secondary); opacity: 0.6;
    margin-top: 6px; padding-left: 2px;
    font-weight: 450; letter-spacing: 0.01em;
    transition: opacity var(--transition);
}
.message:hover .response-meta { opacity: 1; }

/* ── Regenerate Button ─────────────────────────────────────────── */

.btn-regenerate:hover { color: var(--primary-light) !important; }

/* ── Agent Preview Panel ───────────────────────────────────────── */

.agent-preview-panel {
    position: absolute; bottom: 80px; left: 16px; right: 16px;
    z-index: 50;
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-left: 3px solid var(--primary);
    border-radius: var(--radius-sm);
    padding: 14px 16px;
    box-shadow: var(--shadow-lg);
    animation: fadeUp 0.25s var(--ease) both;
    transition: opacity 0.3s;
}
.agent-preview-panel.fade-out { opacity: 0; }

.agent-preview-header {
    display: flex; align-items: center; gap: 10px; margin-bottom: 8px;
}
.agent-preview-header strong {
    font-size: 14px; font-weight: 600; color: var(--text);
}
.agent-preview-model {
    font-size: 11px; color: var(--text-secondary);
    padding: 2px 8px; background: var(--bg-elevated);
    border-radius: 20px; font-weight: 500;
}
.agent-preview-desc {
    font-size: 13px; color: var(--text-secondary); line-height: 1.5;
    margin: 0 0 8px;
}
.agent-preview-tools {
    font-size: 11px; color: var(--primary-light); font-weight: 500;
    margin-bottom: 6px;
}
.agent-preview-prompt {
    font-size: 11px; color: var(--text-secondary); opacity: 0.6;
    font-style: italic; line-height: 1.5;
    margin: 0; padding-top: 8px; border-top: 1px solid var(--border);
}

/* ── Scrollbar ─────────────────────────────────────────────────── */

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover { background: rgba(255, 255, 255, 0.2); }
[data-theme="light"] ::-webkit-scrollbar-thumb { background: rgba(0, 0, 0, 0.12); }
[data-theme="light"] ::-webkit-scrollbar-thumb:hover { background: rgba(0, 0, 0, 0.2); }

/* ── Responsive ────────────────────────────────────────────────── */

@media (max-width: 768px) {
    .sidebar {
        position: fixed; top: 0; left: 0; bottom: 0; z-index: 100;
        width: var(--sidebar-width);
        min-width: var(--sidebar-width);
        margin-left: 0;  /* Reset desktop margin */
        transform: translateX(-100%);
        box-shadow: none;
        transition: transform 0.45s var(--ease);
    }
    .sidebar > * { opacity: 1; transition: opacity 0.3s 0.12s var(--ease); }
    .sidebar:not(.open) > * { opacity: 0; transition: opacity 0.18s var(--ease); }
    .sidebar.open {
        transform: translateX(0);
        box-shadow: 8px 0 40px rgba(0, 0, 0, 0.5);
    }
    .sidebar.collapsed { transform: translateX(-100%); margin-left: 0; }
    .fab-container { bottom: 16px; right: 16px; }
    .mcp-showcase { width: 100%; margin-left: 0; }
    .capabilities-grid { grid-template-columns: 1fr; }
    .welcome-message { padding: 24px 16px 40px; }
}

/* ════════════════════════════════════════════════════════════════
   ADMIN LAYOUT
   ════════════════════════════════════════════════════════════════ */

.admin-layout { display: flex; height: 100vh; overflow: hidden; }

.admin-sidebar {
    width: 250px; background: var(--bg-sidebar);
    color: var(--text-sidebar); display: flex; flex-direction: column;
    flex-shrink: 0; border-right: 1px solid var(--border);
}

.admin-sidebar-header { padding: 20px; border-bottom: 1px solid var(--border); }
.admin-logo-link {
    display: flex; align-items: center; gap: 12px;
    text-decoration: none; color: var(--text);
}
.admin-logo { width: 36px; height: 36px; flex-shrink: 0; }
.admin-logo-text { font-size: 17px; font-weight: 700; letter-spacing: -0.3px; }

.admin-nav {
    flex: 1; padding: 12px 0; overflow-y: auto;
    display: flex; flex-direction: column; gap: 2px;
}

.admin-nav-item {
    display: flex; align-items: center; gap: 12px; padding: 11px 18px;
    color: var(--text-sidebar); border-radius: var(--radius-sm); margin: 0 8px;
    cursor: pointer; transition: all var(--transition); border: none;
    background: none; text-align: left; font-size: 14px;
    text-decoration: none; font-family: var(--font); font-weight: 450;
}
.admin-nav-item:hover { background: var(--bg-sidebar-hover); color: var(--text); }
.admin-nav-item.active {
    background: var(--primary-glow);
    color: var(--primary-light); font-weight: 600;
}

.nav-icon { width: 20px; height: 20px; flex-shrink: 0; }
.admin-nav-icon { width: 20px; height: 20px; flex-shrink: 0; }

.admin-sidebar-footer {
    padding: 12px 8px; border-top: 1px solid var(--border);
    display: flex; flex-direction: column; gap: 2px; flex-shrink: 0;
}
.admin-sidebar-footer .btn-theme-toggle { margin: 0 8px 4px; align-self: flex-start; }
.admin-logout-form { margin: 0; }
.admin-logout-form .admin-nav-item { width: 100%; font-family: var(--font); }

.admin-content {
    flex: 1; overflow-y: auto; padding: 36px;
    background: var(--bg);
}

.admin-page { max-width: 1200px; width: 100%; }

.admin-header {
    display: flex; justify-content: space-between; align-items: center;
    margin-bottom: 28px;
}
.admin-header h1 {
    font-size: 26px; font-weight: 700; letter-spacing: -0.5px;
}

.admin-card {
    background: var(--bg-card); border-radius: var(--radius);
    box-shadow: var(--shadow); padding: 24px; margin-bottom: 24px;
    border: 1px solid var(--border);
    transition: all var(--transition);
}
.admin-card:hover { border-color: var(--border-light); }

.admin-stats-grid {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
}
.admin-stat-card {
    background: var(--bg-card); border-radius: var(--radius);
    box-shadow: var(--shadow); padding: 28px; margin-bottom: 24px;
    text-align: center; border: 1px solid var(--border);
    transition: all var(--transition);
}
.admin-stat-card:hover {
    border-color: var(--primary);
    box-shadow: 0 0 0 1px var(--primary-glow);
    transform: translateY(-2px);
}
.admin-stat-value {
    font-size: 40px; font-weight: 700;
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text;
}
.admin-stat-label {
    font-size: 13px; color: var(--text-secondary); margin-top: 6px;
    font-weight: 500; text-transform: uppercase; letter-spacing: 0.04em;
}

.admin-table { width: 100%; border-collapse: collapse; }
.admin-table th {
    padding: 14px 18px; text-align: left; font-size: 11px;
    text-transform: uppercase; letter-spacing: 0.06em;
    color: var(--text-secondary); border-bottom: 2px solid var(--border-light);
    font-weight: 600;
}
.admin-table td {
    padding: 14px 18px; border-bottom: 1px solid var(--border);
    font-size: 14px;
}
.admin-table tr { transition: background var(--transition); }
.admin-table tr:hover { background: rgba(108, 92, 231, 0.03); }

.admin-badge {
    display: inline-block; padding: 3px 12px; border-radius: 20px;
    font-size: 12px; font-weight: 500;
}
.admin-badge-admin { background: var(--primary-glow); color: var(--primary-light); }
.admin-badge-user { background: rgba(255, 255, 255, 0.06); color: var(--text-secondary); }
.admin-badge-readonly { background: rgba(255, 214, 0, 0.1); color: var(--warning); }
.admin-badge-active { background: rgba(0, 230, 118, 0.1); color: var(--success); }
.admin-badge-inactive { background: rgba(255, 82, 82, 0.1); color: var(--error); }

.admin-modal {
    position: fixed; inset: 0; background: rgba(0, 0, 0, 0.6);
    display: none; align-items: center; justify-content: center;
    z-index: 1000; backdrop-filter: blur(8px);
}
.admin-modal.open { display: flex; }
.admin-modal-card {
    background: var(--bg-card); border-radius: var(--radius);
    box-shadow: var(--shadow-lg); width: 100%; max-width: 560px;
    max-height: 90vh; overflow-y: auto;
    border: 1px solid var(--border-light);
    animation: modalIn 0.3s var(--ease) both;
}
@keyframes modalIn {
    from { opacity: 0; transform: scale(0.95) translateY(10px); }
    to { opacity: 1; transform: scale(1) translateY(0); }
}
.admin-modal-header {
    padding: 22px 28px; border-bottom: 1px solid var(--border);
    display: flex; justify-content: space-between; align-items: center;
}
.admin-modal-header h2 { font-size: 18px; font-weight: 600; letter-spacing: -0.2px; }
.admin-modal-body { padding: 28px; }
.admin-modal-footer {
    padding: 18px 28px; border-top: 1px solid var(--border);
    display: flex; justify-content: flex-end; gap: 12px;
}

.admin-btn {
    padding: 10px 20px; border-radius: var(--radius-sm);
    font-size: 14px; font-weight: 500; cursor: pointer;
    border: none; transition: all var(--transition);
    font-family: var(--font);
}
.admin-btn-primary {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
}
.admin-btn-primary:hover { box-shadow: 0 4px 16px var(--primary-glow); transform: translateY(-1px); }
.admin-btn-secondary {
    background: var(--bg-elevated); color: var(--text);
    border: 1px solid var(--border-light);
}
.admin-btn-secondary:hover { border-color: var(--primary); color: var(--primary-light); }
.admin-btn-danger { background: rgba(255, 82, 82, 0.15); color: var(--error); }
.admin-btn-danger:hover { background: rgba(255, 82, 82, 0.25); }
.admin-btn-sm { padding: 8px 14px; font-size: 13px; }

.admin-toast {
    position: fixed; top: 24px; right: 24px;
    padding: 14px 24px; border-radius: var(--radius-sm);
    font-size: 14px; box-shadow: var(--shadow-lg);
    z-index: 2000; animation: toastIn 0.35s var(--ease-spring) both;
    backdrop-filter: blur(16px);
    border: 1px solid var(--border-light);
    font-weight: 500;
}
.admin-toast-success { background: rgba(0, 230, 118, 0.12); color: var(--success); border-color: rgba(0, 230, 118, 0.2); }
.admin-toast-error { background: rgba(255, 82, 82, 0.12); color: var(--error); border-color: rgba(255, 82, 82, 0.2); }
.admin-toast-warning { background: rgba(255, 214, 0, 0.12); color: var(--warning); border-color: rgba(255, 214, 0, 0.2); }
@keyframes toastIn {
    from { transform: translateX(100%) scale(0.9); opacity: 0; }
    to { transform: translateX(0) scale(1); opacity: 1; }
}
@keyframes slideOut {
    from { transform: translateX(0); opacity: 1; }
    to { transform: translateX(100%); opacity: 0; }
}

.admin-form-group { margin-bottom: 20px; }
.admin-form-group label {
    display: block; font-size: 13px; font-weight: 500;
    margin-bottom: 8px; color: var(--text-secondary);
}
.admin-form-group input,
.admin-form-group select,
.admin-form-group textarea {
    width: 100%; padding: 12px 16px;
    background: var(--bg-input);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm); font-size: 14px;
    font-family: var(--font); color: var(--text);
    transition: all var(--transition);
}
.admin-form-group input:focus,
.admin-form-group select:focus,
.admin-form-group textarea:focus {
    outline: none; border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-glow);
}
.admin-form-group textarea { min-height: 100px; resize: vertical; }

.admin-toggle { display: flex; align-items: center; gap: 10px; }
.admin-toggle input[type="checkbox"] { display: none; }
.admin-toggle span {
    display: inline-block; width: 46px; height: 24px;
    background: var(--bg-elevated); border: 1px solid var(--border);
    border-radius: 12px; cursor: pointer;
    transition: all var(--transition); position: relative;
}
.admin-toggle span::after {
    content: ''; position: absolute; top: 2px; left: 2px;
    width: 18px; height: 18px; background: var(--text-secondary);
    border-radius: 50%; transition: all 0.3s var(--ease-spring);
}
.admin-toggle input[type="checkbox"]:checked + span {
    background: var(--primary-glow); border-color: var(--primary);
}
.admin-toggle input[type="checkbox"]:checked + span::after {
    left: 24px; background: var(--primary);
}

.admin-tools-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; }
.admin-tool-item {
    display: flex; align-items: center; gap: 8px;
    padding: 8px; font-size: 13px; cursor: pointer;
    transition: all var(--transition); border-radius: var(--radius-xs);
}
.admin-tool-item:hover { background: var(--primary-glow); }

.admin-pagination { display: flex; justify-content: center; gap: 8px; margin-top: 20px; }
.admin-pagination button {
    padding: 8px 14px; border: 1px solid var(--border);
    border-radius: var(--radius-sm); background: var(--bg-card);
    cursor: pointer; transition: all var(--transition);
    font-size: 13px; color: var(--text); font-family: var(--font);
}
.admin-pagination button:hover { border-color: var(--primary); color: var(--primary-light); }
.admin-pagination button.active {
    background: var(--primary); color: white; border-color: var(--primary);
}

.admin-empty { text-align: center; padding: 48px; color: var(--text-secondary); }
.admin-loading { text-align: center; padding: 48px; color: var(--text-secondary); }

/* ── Micro-Interaction Utilities ───────────────────────────────── */

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

@keyframes breathe {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}