/* === CSS Custom Properties === */
:root {
    --bg: #0f0f0f;
    --surface: #1a1a1a;
    --surface-2: #1e1e1e;
    --surface-code: #0d1117;
    --border: #2a2a2a;
    --border-2: #333;
    --border-3: #3a3a3a;
    --text: #e0e0e0;
    --text-bright: #fff;
    --text-muted: #888;
    --text-dim: #666;
    --text-faint: #555;
    --accent: #2563eb;
    --accent-hover: #1d4ed8;
    --accent-light: #3b82f6;
    --accent-muted-bg: #1e3a5f;
    --accent-muted-text: #93c5fd;
    --nav-hover-bg: rgba(255,255,255,0.03);
    --input-bg: #0f0f0f;
    --stat-row-border: #1f1f1f;
    --table-head-bg: #141414;
    --table-row-hover: rgba(255,255,255,0.016);
    --table-row-border: #222;
    --modal-overlay: rgba(0,0,0,0.7);
    --shadow: rgba(0,0,0,0.4);
    /* === Semantic status === */
    --success-bg: #14532d;
    --success-border: #166534;
    --success-text: #bbf7d0;
    --error-bg: #7f1d1d;
    --error-border: #991b1b;
    --error-text: #fecaca;
    --warning-bg: #78350f;
    --warning-text: #fbbf24;
    --info-bg: #1e3a5f;
    --info-text: #7dd3fc;
    /* === Status badges === */
    --status-active-bg: #14532d;
    --status-active-text: #4ade80;
    --status-suspended-bg: #451a03;
    --status-suspended-text: #fbbf24;
    --status-deleted-bg: #3f1515;
    --status-deleted-text: #f87171;
    --status-unavailable-bg: #374151;
    --status-unavailable-text: #9ca3af;
    /* === Route badges === */
    --rule-matched-bg: #065f46;
    --rule-matched-text: #6ee7b7;
    --ai-routed-bg: #1e3a5f;
    --ai-routed-text: #7dd3fc;
    --conversational-bg: #3f3f46;
    --conversational-text: #a1a1aa;
    --disabled-skill-bg: #2d1a1a;
    --disabled-skill-text: #f87171;
    --raw-mode-bg: #78350f;
    --raw-mode-text: #fbbf24;
    --model-mode-bg: #4c1d95;
    --model-mode-text: #c4b5fd;
    --skill-tag-default-bg: #1e2d45;
    --skill-tag-default-text: #60a5fa;
    /* === Invite banner === */
    --invite-banner-bg: #1e3a5f;
    --invite-banner-border: #2563eb;
    --invite-banner-text: #60a5fa;
    --invite-label-text: #93c5fd;
    /* === Misc === */
    --link-color: #7dd3fc;
    --surface-3: #1e1e2e;
    --danger: #dc2626;
    /* === JSON syntax === */
    --json-key: #7dd3fc;
    --json-string: #6ee7b7;
    --json-number: #fbbf24;
    --json-bool: #f472b6;
    --json-null: #a1a1aa;
    /* === Channel brands === */
    --channel-telegram: #0088cc;
    --channel-teams: #464EB8;
    --channel-slack: #4A154B;
    --channel-whatsapp: #25D366;
}

[data-theme="light"] {
    --bg: #f8fafc;
    --surface: #ffffff;
    --surface-2: #f1f5f9;
    --surface-code: #f1f5f9;
    --border: #e2e8f0;
    --border-2: #cbd5e1;
    --border-3: #94a3b8;
    --text: #475569;
    --text-bright: #0f172a;
    --text-muted: #64748b;
    --text-dim: #94a3b8;
    --text-faint: #94a3b8;
    --accent: #2563eb;
    --accent-hover: #1d4ed8;
    --accent-light: #3b82f6;
    --accent-muted-bg: #dbeafe;
    --accent-muted-text: #1e40af;
    --nav-hover-bg: rgba(0,0,0,0.04);
    --input-bg: #f8fafc;
    --stat-row-border: #e2e8f0;
    --table-head-bg: #f8fafc;
    --table-row-hover: rgba(0,0,0,0.02);
    --table-row-border: #e2e8f0;
    --modal-overlay: rgba(0,0,0,0.5);
    --shadow: rgba(0,0,0,0.12);
    /* === Semantic status === */
    --success-bg: #dcfce7;
    --success-border: #86efac;
    --success-text: #166534;
    --error-bg: #fee2e2;
    --error-border: #fca5a5;
    --error-text: #991b1b;
    --warning-bg: #fef3c7;
    --warning-text: #92400e;
    --info-bg: #dbeafe;
    --info-text: #1e40af;
    /* === Status badges === */
    --status-active-bg: #dcfce7;
    --status-active-text: #166534;
    --status-suspended-bg: #fef3c7;
    --status-suspended-text: #92400e;
    --status-deleted-bg: #fee2e2;
    --status-deleted-text: #991b1b;
    --status-unavailable-bg: #f3f4f6;
    --status-unavailable-text: #6b7280;
    /* === Route badges === */
    --rule-matched-bg: #d1fae5;
    --rule-matched-text: #065f46;
    --ai-routed-bg: #dbeafe;
    --ai-routed-text: #1e40af;
    --conversational-bg: #f3f4f6;
    --conversational-text: #374151;
    --disabled-skill-bg: #fee2e2;
    --disabled-skill-text: #991b1b;
    --raw-mode-bg: #fef3c7;
    --raw-mode-text: #92400e;
    --model-mode-bg: #f5f3ff;
    --model-mode-text: #6d28d9;
    --skill-tag-default-bg: #dbeafe;
    --skill-tag-default-text: #1e40af;
    /* === Invite banner === */
    --invite-banner-bg: #dbeafe;
    --invite-banner-border: #3b82f6;
    --invite-banner-text: #1e40af;
    --invite-label-text: #2563eb;
    /* === Misc === */
    --link-color: #2563eb;
    --surface-3: #f1f5f9;
    --danger: #dc2626;
    /* === JSON syntax === */
    --json-key: #0369a1;
    --json-string: #065f46;
    --json-number: #92400e;
    --json-bool: #9d174d;
    --json-null: #6b7280;
    /* === Channel brands === */
    --channel-telegram: #0088cc;
    --channel-teams: #464EB8;
    --channel-slack: #4A154B;
    --channel-whatsapp: #25D366;
}

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

/* === Base === */
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    transition: background-color 0.2s, color 0.2s;
}

/* === Nav === */
nav {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: 0 24px;
    display: flex;
    align-items: center;
    gap: 0;
    height: 48px;
    min-height: 48px;
    flex-shrink: 0;
}

.nav-brand {
    display: flex;
    align-items: center;
    font-size: 16px;
    font-weight: 700;
    color: var(--text-bright);
    margin-right: 24px;
    text-decoration: none;
}

.nav-badge {
    font-size: 10px;
    padding: 1px 6px;
    border-radius: 8px;
    font-weight: 600;
    margin-left: 6px;
    vertical-align: middle;
}
.nav-badge.platform { background: #22c55e; color: #000; }
.nav-badge.stage { background: #3b82f6; color: #fff; }

.nav-tenant-name {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-muted);
    margin-left: 12px;
    padding-left: 12px;
    border-left: 1px solid var(--border-2);
}

.nav-links {
    display: flex;
    gap: 0;
    height: 100%;
}

.nav-links a {
    display: flex;
    align-items: center;
    padding: 0 16px;
    color: var(--text-muted);
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
    height: 100%;
    border-bottom: 2px solid transparent;
    transition: all 0.15s;
}

.nav-links a:hover { color: var(--text); background: var(--nav-hover-bg); }
.nav-links a.active { color: var(--text-bright); border-bottom-color: var(--accent-light); }

.nav-right {
    margin-left: auto;
    display: flex;
    gap: 8px;
    align-items: center;
}

.nav-btn {
    background: none;
    border: 1px solid var(--border-2);
    color: var(--text-muted);
    padding: 4px 12px;
    border-radius: 6px;
    font-size: 12px;
    cursor: pointer;
    font-family: inherit;
}

.nav-btn:hover { border-color: var(--border-3); color: var(--text); }

.nav-user-info {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: var(--text-muted);
}

.nav-user-avatar {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--border-2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: 700;
    color: var(--text-muted);
    overflow: hidden;
}

.nav-user-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.nav-user-email {
    font-size: 12px;
    color: var(--text-muted);
}

/* === Theme toggle button === */
.theme-toggle {
    background: none;
    border: 1px solid var(--border-2);
    color: var(--text-muted);
    border-radius: 6px;
    width: 30px;
    height: 24px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    transition: border-color 0.15s, color 0.15s;
}

.theme-toggle:hover { border-color: var(--border-3); color: var(--text); }

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

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

/* === Session expired modal === */
.session-expired-modal {
    display: none;
    position: fixed;
    inset: 0;
    background: var(--modal-overlay);
    z-index: 9999;
    align-items: center;
    justify-content: center;
}

.session-expired-modal .modal-inner {
    background: var(--surface);
    border: 1px solid var(--border-2);
    border-radius: 8px;
    padding: 32px;
    max-width: 360px;
    text-align: center;
}

.session-expired-modal h3 {
    margin: 0 0 12px;
    color: var(--text-bright);
    font-size: 16px;
}

.session-expired-modal p {
    color: var(--text-muted);
    margin: 0 0 24px;
    font-size: 14px;
}

.session-expired-modal button {
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: 6px;
    padding: 10px 28px;
    font-size: 14px;
    cursor: pointer;
    font-family: inherit;
}

.session-expired-modal button:hover { background: var(--accent-hover); }