/* ================================================================
   KarAntiLand — Admin Settings
   Design: Dark glassmorphism, indigo/violet accent
   ================================================================ */

/* ── Design Tokens ─────────────────────────────────────────── */
:root {
    /* Backgrounds */
    --bg-base:    #080b14;
    --bg-deep:    #0d1120;
    --bg-card:    #111827;
    --bg-hover:   #1a2235;
    --bg-input:   #0a0f1e;
    --bg-glass:   rgba(17,24,39,0.85);

    /* Borders */
    --border:     rgba(255,255,255,0.07);
    --border-md:  rgba(255,255,255,0.12);
    --border-act: rgba(99,102,241,0.5);

    /* Text */
    --text-1:     #e8ecf4;
    --text-2:     #8892a4;
    --text-3:     #4a5568;

    /* Accent (indigo/violet) */
    --accent:     #6366f1;
    --accent-lt:  #818cf8;
    --accent-glow:rgba(99,102,241,0.25);
    --accent-bg:  rgba(99,102,241,0.1);

    /* Semantic */
    --success:    #10b981;
    --success-bg: rgba(16,185,129,0.1);
    --warning:    #f59e0b;
    --warning-bg: rgba(245,158,11,0.1);
    --danger:     #ef4444;
    --danger-bg:  rgba(239,68,68,0.1);
    --info:       #3b82f6;

    /* Radii */
    --r-sm: 8px;
    --r-md: 12px;
    --r-lg: 16px;
    --r-xl: 20px;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.4);
    --shadow-md: 0 4px 24px rgba(0,0,0,0.5);
    --shadow-lg: 0 8px 40px rgba(0,0,0,0.6);
    --shadow-glow: 0 0 20px rgba(99,102,241,0.3);
}

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

body {
    background: var(--bg-base);
    color: var(--text-1);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 14px;
    line-height: 1.6;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

/* ── Scrollbar ─────────────────────────────────────────────── */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.08); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.15); }

/* ================================================================
   Auth Gate
   ================================================================ */
.auth-overlay {
    position: fixed;
    inset: 0;
    background: radial-gradient(ellipse at 50% 0%, rgba(99,102,241,0.12) 0%, var(--bg-base) 70%);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
}

.auth-card {
    width: 420px;
    max-width: 90vw;
    background: var(--bg-card);
    border: 1px solid var(--border-md);
    border-radius: var(--r-xl);
    padding: 40px;
    text-align: center;
    box-shadow: var(--shadow-lg), 0 0 80px rgba(99,102,241,0.08);
    animation: fadeSlideUp 0.4s ease;
}

.auth-logo {
    font-size: 48px;
    margin-bottom: 16px;
    display: block;
    filter: drop-shadow(0 0 16px rgba(99,102,241,0.5));
}

.auth-title {
    font-size: 22px;
    font-weight: 800;
    background: linear-gradient(135deg, #818cf8, #a78bfa);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 8px;
}

.auth-desc {
    color: var(--text-2);
    font-size: 13px;
    margin-bottom: 28px;
    line-height: 1.6;
}

.auth-input {
    font-size: 15px;
    text-align: center;
    margin-bottom: 14px;
    padding: 13px 16px;
    letter-spacing: 0.05em;
}

.auth-btn {
    width: 100%;
    padding: 13px;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.02em;
}

.auth-error {
    margin-top: 14px;
    padding: 8px 14px;
    border-radius: var(--r-sm);
    background: var(--danger-bg);
    border: 1px solid rgba(239,68,68,0.2);
    color: var(--danger);
    font-size: 12px;
    font-weight: 500;
}

/* ================================================================
   Layout
   ================================================================ */
.settings-layout {
    display: grid;
    grid-template-columns: 220px 1fr;
    min-height: 100vh;
}

#adminSidebarContainer { display: contents; }

/* Sidebar (injected by admin-nav.js) */
.settings-sidebar {
    background: var(--bg-deep);
    border-right: 1px solid var(--border);
    padding: 20px 10px;
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
}

.sidebar-nav { list-style: none; }
.sidebar-nav li { margin-bottom: 2px; }

.sidebar-nav .nav-label {
    font-size: 10px;
    font-weight: 700;
    color: var(--text-3);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 18px 14px 6px;
    display: block;
}

.sidebar-nav a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 14px;
    border-radius: var(--r-sm);
    color: var(--text-2);
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
    transition: all 0.18s;
    border: 1px solid transparent;
}

.sidebar-nav a:hover {
    background: var(--bg-hover);
    color: var(--text-1);
}

.sidebar-nav a.active {
    background: var(--accent-bg);
    color: var(--accent-lt);
    border-color: var(--border-act);
}

.sidebar-nav .icon { font-size: 15px; min-width: 18px; }

/* Main content */
.settings-main {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    overflow: hidden;
}

/* ── Header ────────────────────────────────────────────────── */
.settings-header {
    background: rgba(13,17,32,0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    padding: 14px 28px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 200;
    gap: 16px;
}

.header-brand {
    display: flex;
    align-items: center;
    gap: 10px;
}

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

.header-title {
    font-size: 17px;
    font-weight: 800;
    color: var(--text-1);
    display: flex;
    align-items: center;
    gap: 10px;
}

.header-save-status {
    font-size: 12px;
    font-weight: 400;
    color: var(--accent-lt);
}

.header-actions {
    display: flex;
    gap: 10px;
    align-items: center;
}

/* ── Content ───────────────────────────────────────────────── */
.settings-content {
    flex: 1;
    padding: 28px 32px;
    overflow-y: auto;
}

.settings-section { display: none; }
.settings-section.active { display: block; }

.section-hdr {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 24px;
    gap: 16px;
    flex-wrap: wrap;
}

.section-title {
    font-size: 19px;
    font-weight: 700;
    color: var(--text-1);
    margin-bottom: 4px;
}

.section-desc {
    color: var(--text-2);
    font-size: 13px;
}

/* ================================================================
   Buttons
   ================================================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 9px 18px;
    border-radius: var(--r-sm);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all 0.18s;
    white-space: nowrap;
    text-decoration: none;
}

.btn:disabled { opacity: 0.45; cursor: not-allowed; transform: none !important; }

.btn-primary {
    background: linear-gradient(135deg, var(--accent) 0%, #4f46e5 100%);
    color: #fff;
    box-shadow: 0 2px 10px rgba(99,102,241,0.35);
}
.btn-primary:hover:not(:disabled) {
    background: linear-gradient(135deg, var(--accent-lt) 0%, var(--accent) 100%);
    box-shadow: 0 4px 18px rgba(99,102,241,0.45);
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--bg-hover);
    color: var(--text-1);
    border: 1px solid var(--border-md);
}
.btn-secondary:hover:not(:disabled) {
    background: #1e2840;
    border-color: rgba(255,255,255,0.18);
}

.btn-ghost {
    background: transparent;
    color: var(--text-2);
    border: 1px solid var(--border);
}
.btn-ghost:hover:not(:disabled) {
    background: var(--bg-hover);
    color: var(--text-1);
}

.btn-danger {
    background: var(--danger-bg);
    color: var(--danger);
    border: 1px solid rgba(239,68,68,0.25);
}
.btn-danger:hover:not(:disabled) {
    background: var(--danger);
    color: #fff;
}

.btn-sm { padding: 6px 12px; font-size: 12px; }

/* Pulse on unsaved */
@keyframes btnPulse {
    0%   { box-shadow: 0 0 0 0 rgba(99,102,241,0.6); }
    70%  { box-shadow: 0 0 0 8px rgba(99,102,241,0); }
    100% { box-shadow: 0 0 0 0 rgba(99,102,241,0); }
}
.pulse { animation: btnPulse 1.8s infinite; }

/* ── Icon Action Buttons ────────────────────────────────────── */
.btn-action {
    width: 30px;
    height: 30px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 7px;
    border: 1px solid var(--border);
    background: rgba(255,255,255,0.03);
    cursor: pointer;
    font-size: 13px;
    transition: all 0.18s;
    flex-shrink: 0;
}
.btn-action:hover {
    background: var(--bg-hover);
    border-color: var(--accent);
    transform: scale(1.08);
}
.btn-action.danger:hover {
    background: var(--danger-bg);
    border-color: var(--danger);
}

.btn-icon-close {
    width: 28px;
    height: 28px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text-2);
    cursor: pointer;
    font-size: 14px;
    transition: all 0.15s;
}
.btn-icon-close:hover {
    background: var(--danger-bg);
    color: var(--danger);
    border-color: var(--danger);
}

/* ================================================================
   Form Elements
   ================================================================ */
.admin-input {
    background: var(--bg-input);
    border: 1px solid var(--border);
    color: var(--text-1);
    padding: 7px 11px;
    border-radius: var(--r-sm);
    font-size: 13px;
    font-family: inherit;
    transition: border-color 0.18s, box-shadow 0.18s;
    outline: none;
    width: 100%;
}
.admin-input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
}
.admin-input[type="number"] {
    width: 64px;
    text-align: center;
}
.admin-input::placeholder { color: var(--text-3); }

select.admin-input { cursor: pointer; }

.form-group { margin-bottom: 16px; }

.form-label {
    display: block;
    font-size: 11px;
    font-weight: 700;
    color: var(--text-2);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    margin-bottom: 6px;
}

.form-hint-inline {
    font-weight: 400;
    font-size: 10px;
    color: var(--text-3);
    text-transform: none;
    letter-spacing: 0;
}

.form-hint {
    font-size: 11px;
    color: var(--text-3);
    margin-top: 6px;
}

.input-stack { display: flex; flex-direction: column; gap: 10px; }

/* Checkbox toggle label */
.toggle-label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    padding-top: 8px;
    font-size: 13px;
    color: var(--text-2);
    user-select: none;
}
.toggle-label input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--accent);
    cursor: pointer;
}

/* ================================================================
   Panel / Card
   ================================================================ */
.panel {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    padding: 20px;
    margin-bottom: 20px;
}

.panel-title {
    font-size: 14px;
    font-weight: 700;
    color: var(--text-1);
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--border);
}

/* ── Add Form Panel ────────────────────────────────────────── */
.add-form-panel {
    background: linear-gradient(135deg, rgba(99,102,241,0.05) 0%, rgba(139,92,246,0.04) 100%);
    border: 1px solid var(--border-act);
    border-radius: var(--r-md);
    padding: 20px;
    margin-bottom: 20px;
}

.add-form-title {
    font-size: 13px;
    font-weight: 700;
    color: var(--accent-lt);
    margin-bottom: 16px;
    padding-bottom: 10px;
    border-bottom: 1px solid rgba(99,102,241,0.2);
}

.form-actions {
    display: flex;
    justify-content: flex-end;
    gap: 8px;
    margin-top: 16px;
    padding-top: 14px;
    border-top: 1px solid var(--border);
}

/* ── Data Container ────────────────────────────────────────── */
.data-container { margin-top: 16px; }

/* ================================================================
   Stats Grid
   ================================================================ */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
    gap: 12px;
    margin-bottom: 20px;
}

.stat-box {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    padding: 16px;
    text-align: center;
    transition: transform 0.2s, border-color 0.2s;
    position: relative;
    overflow: hidden;
}
.stat-box::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: var(--border);
    border-radius: 2px 2px 0 0;
}
.stat-box:hover { transform: translateY(-2px); }

.stat-box.stat-accent { border-color: rgba(99,102,241,0.25); }
.stat-box.stat-accent::before { background: var(--accent); }
.stat-box.stat-accent .stat-value { color: var(--accent-lt); }

.stat-box.stat-success { border-color: rgba(16,185,129,0.25); }
.stat-box.stat-success::before { background: var(--success); }
.stat-box.stat-success .stat-value { color: var(--success); }

.stat-box.stat-warning { border-color: rgba(245,158,11,0.25); }
.stat-box.stat-warning::before { background: var(--warning); }
.stat-box.stat-warning .stat-value { color: var(--warning); }

.stat-box.stat-danger { border-color: rgba(239,68,68,0.25); }
.stat-box.stat-danger::before { background: var(--danger); }
.stat-box.stat-danger .stat-value { color: var(--danger); }

.stat-value {
    font-size: 26px;
    font-weight: 800;
    color: var(--accent-lt);
    line-height: 1;
    margin-bottom: 6px;
}

.stat-label {
    font-size: 11px;
    color: var(--text-3);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ================================================================
   Toolbar
   ================================================================ */
.toolbar {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 14px;
    flex-wrap: wrap;
}

.toolbar-search { flex: 1; min-width: 160px; }
.toolbar-select { width: auto; min-width: 90px; flex-shrink: 0; }

/* ================================================================
   Table
   ================================================================ */
.table-wrap { overflow-x: auto; }

.admin-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    font-size: 13px;
}

.admin-table th {
    text-align: left;
    padding: 10px 12px;
    background: rgba(255,255,255,0.025);
    color: var(--text-3);
    font-weight: 700;
    text-transform: uppercase;
    font-size: 10.5px;
    letter-spacing: 0.06em;
    border-bottom: 1px solid var(--border);
    white-space: nowrap;
}

.admin-table th:first-child { border-radius: var(--r-sm) 0 0 0; }
.admin-table th:last-child  { border-radius: 0 var(--r-sm) 0 0; }

.admin-table td {
    padding: 10px 12px;
    border-bottom: 1px solid rgba(255,255,255,0.03);
    vertical-align: middle;
    color: var(--text-1);
}

.admin-table tr:last-child td { border-bottom: none; }
.admin-table tbody tr { transition: background 0.12s; }
.admin-table tbody tr:hover td { background: rgba(255,255,255,0.02); }

/* Table column widths */
.col-order   { width: 58px; }
.col-id      { width: 72px; }
.col-count   { width: 90px; }
.col-scope   { width: 130px; }
.col-dr      { width: 108px; }
.col-collect { width: 88px; }
.col-action  { width: 46px; }

.col-dlg-id  { width: 140px; }
.col-lang    { width: 64px; }
.col-cat     { width: 88px; }
.col-num     { width: 64px; }
.col-status  { width: 120px; }
.col-notes   { width: 110px; }
.col-actions { width: 108px; }

.table-footer {
    padding: 10px 12px;
    font-size: 11px;
    color: var(--text-3);
    text-align: center;
    border-top: 1px solid var(--border);
}

/* ── Pills & Status ────────────────────────────────────────── */
.admin-pill {
    display: inline-flex;
    align-items: center;
    padding: 2px 8px;
    border-radius: 5px;
    font-size: 11px;
    font-weight: 600;
    border: 1px solid transparent;
    white-space: nowrap;
}

.pill-lang    { color: #facc15; background: rgba(250,204,21,0.1);  border-color: rgba(250,204,21,0.2); }
.pill-collect { color: #38bdf8; background: rgba(56,189,248,0.1);  border-color: rgba(56,189,248,0.2); }
.pill-chat    { color: #fb923c; background: rgba(251,146,60,0.1);  border-color: rgba(251,146,60,0.2); }
.pill-auto    { color: #c084fc; background: rgba(192,132,252,0.1); border-color: rgba(192,132,252,0.2); }
.pill-monitor { color: #fb923c; background: rgba(251,146,60,0.1);  border-color: rgba(251,146,60,0.2); }
.pill-custom  { color: #c084fc; background: rgba(192,132,252,0.1); border-color: rgba(192,132,252,0.2); }

.admin-status {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.15s;
    border: 1px solid transparent;
    user-select: none;
}
.admin-status.enabled {
    background: rgba(16,185,129,0.12);
    color: var(--success);
    border-color: rgba(16,185,129,0.25);
}
.admin-status.enabled:hover { background: rgba(16,185,129,0.22); }
.admin-status.disabled {
    background: rgba(239,68,68,0.1);
    color: var(--danger);
    border-color: rgba(239,68,68,0.2);
}
.admin-status.disabled:hover { background: rgba(239,68,68,0.18); }

/* Tags */
.dialogue-tag {
    display: inline-block;
    background: var(--accent-bg);
    color: var(--accent-lt);
    border: 1px solid rgba(99,102,241,0.2);
    padding: 1px 6px;
    border-radius: 4px;
    font-size: 10px;
    font-weight: 500;
}

.category-checklist {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.category-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    border-radius: 999px;
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--border);
    color: var(--text-1);
    cursor: pointer;
    user-select: none;
    transition: border-color 0.18s, background 0.18s, transform 0.18s, box-shadow 0.18s;
}

.category-chip:hover {
    border-color: var(--border-act);
    background: rgba(99,102,241,0.08);
    transform: translateY(-1px);
}

.category-chip input[type="checkbox"] {
    accent-color: var(--accent);
}

.category-chip input[type="checkbox"]:checked + span {
    color: #fff;
    font-weight: 700;
}

.category-chip:has(input[type="checkbox"]:checked) {
    background: linear-gradient(135deg, rgba(99,102,241,0.18), rgba(129,140,248,0.16));
    border-color: rgba(129,140,248,0.45);
    box-shadow: 0 8px 18px rgba(99,102,241,0.18);
}

.category-pill-group {
    display: inline-flex;
    flex-wrap: wrap;
    gap: 4px;
}

.dialogue-actions-inline {
    display: flex;
    gap: 6px;
    align-items: center;
}

.dialogue-actions-inline .btn-action {
    width: 34px;
    height: 34px;
    font-size: 14px;
    border-radius: 10px;
    background: rgba(255,255,255,0.05);
}

.dialogue-actions-inline .btn-action:hover {
    box-shadow: 0 8px 18px rgba(99,102,241,0.18);
}

.dialogue-actions-inline .btn-action.btn-action-save {
    background: rgba(16,185,129,0.14);
    border-color: rgba(16,185,129,0.26);
}

.dialogue-actions-inline .btn-action.btn-action-save:hover {
    background: rgba(16,185,129,0.2);
    border-color: rgba(16,185,129,0.38);
}

/* ================================================================
   Form Rows (grid helpers)
   ================================================================ */
.form-row-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-row-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 16px; }

.grid-2 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 20px;
}

/* ================================================================
   Tools Section
   ================================================================ */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 16px;
}

.tool-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    padding: 20px;
    display: flex;
    gap: 16px;
    transition: border-color 0.2s, transform 0.2s;
}
.tool-card:hover {
    border-color: rgba(99,102,241,0.3);
    transform: translateY(-2px);
}

.tool-icon {
    font-size: 28px;
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-bg);
    border-radius: var(--r-sm);
    border: 1px solid rgba(99,102,241,0.2);
}

.tool-body { flex: 1; min-width: 0; }
.tool-title {
    font-size: 14px;
    font-weight: 700;
    color: var(--text-1);
    margin-bottom: 6px;
}
.tool-desc {
    font-size: 12px;
    color: var(--text-2);
    line-height: 1.55;
    margin-bottom: 12px;
}

/* Result box */
.result-box {
    background: rgba(0,0,0,0.3);
    border: 1px solid var(--border);
    border-radius: var(--r-sm);
    padding: 12px;
    font-family: 'Cascadia Code', 'Fira Code', monospace;
    font-size: 11.5px;
    color: var(--text-2);
    max-height: 220px;
    overflow-y: auto;
    margin-top: 12px;
    white-space: pre-wrap;
    word-break: break-all;
    display: none;
    line-height: 1.6;
}

/* Card grid (top dialogues search results) */
.card-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 12px;
}

.admin-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--r-md);
    padding: 16px;
    transition: border-color 0.2s, transform 0.2s;
}
.admin-card:hover {
    border-color: var(--accent);
    transform: translateY(-2px);
}

/* ================================================================
   Account Integrity Tabs
   ================================================================ */
.check-tabs {
    display: flex;
    gap: 4px;
    margin-top: 12px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 0;
}

.check-tab {
    padding: 6px 14px 8px;
    border-radius: var(--r-sm) var(--r-sm) 0 0;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-2);
    cursor: pointer;
    border: 1px solid transparent;
    border-bottom: none;
    transition: all 0.15s;
    margin-bottom: -1px;
    user-select: none;
}
.check-tab:hover { color: var(--text-1); background: var(--bg-hover); }
.check-tab.current {
    color: var(--accent-lt);
    background: var(--accent-bg);
    border-color: rgba(99,102,241,0.3);
}

.check-containers {
    max-height: 280px;
    overflow-y: auto;
    background: rgba(0,0,0,0.25);
    border: 1px solid var(--border);
    border-top: none;
    border-radius: 0 0 var(--r-sm) var(--r-sm);
    padding: 10px;
    margin-top: 0;
}

/* ================================================================
   Toast
   ================================================================ */
#toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    background: var(--bg-card);
    border: 1px solid var(--border-md);
    border-radius: var(--r-md);
    padding: 13px 18px;
    font-size: 13px;
    font-weight: 500;
    max-width: 360px;
    z-index: 9998;
    transform: translateY(90px) scale(0.96);
    opacity: 0;
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    pointer-events: none;
    box-shadow: var(--shadow-lg);
}
#toast.show {
    transform: translateY(0) scale(1);
    opacity: 1;
}
#toast.success { border-color: rgba(16,185,129,0.4);  color: var(--success); }
#toast.danger  { border-color: rgba(239,68,68,0.4);   color: var(--danger);  }
#toast.error   { border-color: rgba(239,68,68,0.4);   color: var(--danger);  }
#toast.warning { border-color: rgba(245,158,11,0.4);  color: var(--warning); }
#toast.info    { border-color: rgba(99,102,241,0.4);  color: var(--accent-lt); }

/* ================================================================
   Floating Chat History Panel
   ================================================================ */
.chat-panel {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 400px;
    height: 500px;
    z-index: 1000;
    flex-direction: column;
    background: var(--bg-card);
    border: 1px solid var(--accent);
    border-radius: var(--r-lg);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    overflow: hidden;
}
.chat-panel[style*="display:flex"],
.chat-panel[style*="display: flex"] {
    display: flex !important;
}

.chat-panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 14px 16px;
    border-bottom: 1px solid var(--border);
    background: rgba(99,102,241,0.06);
    flex-shrink: 0;
}

.chat-panel-title {
    font-size: 14px;
    font-weight: 700;
    color: var(--accent-lt);
}

.chat-panel-body {
    flex: 1;
    overflow-y: auto;
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.chat-msg {
    background: rgba(255,255,255,0.03);
    border-radius: var(--r-sm);
    padding: 10px 14px;
    border-left: 3px solid var(--accent);
}
.chat-msg-author {
    font-weight: 700;
    font-size: 12px;
    color: var(--accent-lt);
    margin-bottom: 3px;
}
.chat-msg-text { font-size: 13px; line-height: 1.5; }
.chat-msg-time {
    font-size: 10px;
    color: var(--text-3);
    margin-top: 5px;
    text-align: right;
}

/* ================================================================
   Animations
   ================================================================ */
@keyframes fadeSlideUp {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes btnPulse {
    0%   { box-shadow: 0 2px 10px rgba(99,102,241,0.35), 0 0 0 0 rgba(99,102,241,0.5); }
    70%  { box-shadow: 0 2px 10px rgba(99,102,241,0.35), 0 0 0 10px rgba(99,102,241,0); }
    100% { box-shadow: 0 2px 10px rgba(99,102,241,0.35), 0 0 0 0 rgba(99,102,241,0); }
}

/* ================================================================
   Responsive
   ================================================================ */
@media (max-width: 900px) {
    .settings-layout {
        grid-template-columns: 1fr;
    }

    .settings-sidebar {
        position: static;
        height: auto;
        border-right: none;
        border-bottom: 1px solid var(--border);
        padding: 12px;
    }

    .sidebar-nav {
        display: flex;
        flex-wrap: nowrap;
        gap: 6px;
        overflow-x: auto;
        scrollbar-width: none;
        padding-bottom: 2px;
    }
    .sidebar-nav::-webkit-scrollbar { display: none; }
    .sidebar-nav li { margin-bottom: 0; flex-shrink: 0; }
    .sidebar-nav .nav-label { display: none; }
    .sidebar-nav a { padding: 7px 12px; }

    .settings-content { padding: 16px; }
    .form-row-2, .form-row-3 { grid-template-columns: 1fr; }
    .grid-2 { grid-template-columns: 1fr; }
    .tools-grid { grid-template-columns: 1fr; }

    .chat-panel {
        width: calc(100vw - 32px);
        right: 16px;
        bottom: 16px;
    }
}

@media (max-width: 560px) {
    .auth-card { padding: 28px 20px; }
    .settings-header { padding: 12px 16px; }
    .toolbar { flex-direction: column; align-items: stretch; }
    .toolbar-search, .toolbar-select { width: 100%; }
}