:root {
    --primary:    #2dd4bf;
    --purple:     #a78bfa;
    --bg:         #060b18;
    --surface:    #0d1424;
    --surface2:   #121c30;
    --border:     #1a2a45;
    --muted:      #4a5a78;
    --text:       #d8e0f5;
    --danger:     #f87171;
    --warn:       #fbbf24;
    --success:    #34d399;
    --sidebar-w:  220px;
}

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

body {
    background: var(--bg);
    color: var(--text);
    font-family: Manrope, system-ui, sans-serif;
    font-size: 14px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* ── Auth wall ───────────────────────────────────────────────────────── */
#auth-wall {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: radial-gradient(ellipse at 50% 0%, rgba(45,212,191,0.08) 0%, transparent 70%);
}

.auth-card {
    background: var(--surface);
    border: 1px solid rgba(45,212,191,0.2);
    border-radius: 16px;
    padding: 40px;
    width: 360px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.6);
}

.auth-logo {
    font-family: 'Playfair Display', serif;
    font-size: 1.6rem;
    font-weight: 700;
    background: linear-gradient(135deg, #f5f0e8, var(--primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 4px;
}

.auth-badge {
    display: inline-block;
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    background: rgba(167,139,250,0.15);
    color: var(--purple);
    border: 1px solid rgba(167,139,250,0.3);
    border-radius: 4px;
    padding: 2px 8px;
    margin-bottom: 24px;
}

.auth-card label {
    display: block;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--muted);
    margin-bottom: 6px;
}

.auth-card input {
    width: 100%;
    padding: 11px 14px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    font-size: 0.9rem;
    font-family: inherit;
    outline: none;
    margin-bottom: 16px;
    transition: border-color 0.2s;
}

.auth-card input:focus { border-color: var(--primary); }

.btn-primary {
    background: var(--primary);
    border: none;
    border-radius: 8px;
    color: #060b18;
    cursor: pointer;
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 700;
    padding: 12px 20px;
    transition: opacity 0.15s, transform 0.1s;
    width: 100%;
}
.btn-primary:hover  { opacity: 0.88; }
.btn-primary:active { transform: scale(0.98); }
.btn-primary:disabled { opacity: 0.4; cursor: default; }

.auth-err { color: var(--danger); font-size: 0.8rem; margin-top: 10px; display: none; }

/* ── App shell ───────────────────────────────────────────────────────── */
#app { display: none; flex: 1; }

.shell {
    display: grid;
    grid-template-columns: var(--sidebar-w) 1fr;
    grid-template-rows: 56px 1fr;
    min-height: 100vh;
}

/* ── Topbar ──────────────────────────────────────────────────────────── */
.topbar {
    grid-column: 1 / -1;
    display: flex;
    align-items: center;
    padding: 0 24px;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    gap: 14px;
}

.topbar-logo {
    font-family: 'Playfair Display', serif;
    font-weight: 700;
    font-size: 1.1rem;
    background: linear-gradient(135deg, #f5f0e8, var(--primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    flex-shrink: 0;
}

.topbar-tag {
    font-size: 0.62rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    background: rgba(167,139,250,0.12);
    color: var(--purple);
    border: 1px solid rgba(167,139,250,0.25);
    border-radius: 4px;
    padding: 2px 7px;
}

.topbar-spacer { flex: 1; }

.topbar-user {
    font-size: 0.78rem;
    color: var(--muted);
}

.btn-logout {
    background: none;
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--muted);
    cursor: pointer;
    font-family: inherit;
    font-size: 0.75rem;
    padding: 5px 12px;
    transition: border-color 0.15s, color 0.15s;
}
.btn-logout:hover { border-color: var(--danger); color: var(--danger); }

/* ── Sidebar ─────────────────────────────────────────────────────────── */
.sidebar {
    background: var(--surface);
    border-right: 1px solid var(--border);
    padding: 16px 10px;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 12px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--muted);
    transition: background 0.15s, color 0.15s;
    border: none;
    background: none;
    font-family: inherit;
    width: 100%;
    text-align: left;
}
.nav-item:hover  { background: rgba(255,255,255,0.04); color: var(--text); }
.nav-item.active { background: rgba(45,212,191,0.1); color: var(--primary); }
.nav-item svg    { flex-shrink: 0; opacity: 0.7; }
.nav-item.active svg { opacity: 1; }

.sidebar-spacer { flex: 1; }

/* ── Main content area ───────────────────────────────────────────────── */
.main-content {
    overflow-y: auto;
    padding: 28px;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.page { display: none; flex-direction: column; gap: 24px; }
.page.active { display: flex; }

/* ── KPI cards ───────────────────────────────────────────────────────── */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
}

.kpi-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 20px 22px;
}

.kpi-label {
    font-size: 0.68rem;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    color: var(--muted);
    margin-bottom: 6px;
}

.kpi-value {
    font-size: 2.1rem;
    font-weight: 700;
    color: var(--primary);
    line-height: 1;
    margin-bottom: 4px;
}

.kpi-sub { font-size: 0.73rem; color: var(--muted); }

/* ── Panel / Card ────────────────────────────────────────────────────── */
.panel {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
}

.panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    gap: 12px;
}

.panel-title {
    font-size: 0.88rem;
    font-weight: 700;
    color: var(--text);
}

.panel-body { padding: 20px; }

/* ── Tables ──────────────────────────────────────────────────────────── */
table { width: 100%; border-collapse: collapse; }

thead th {
    font-size: 0.68rem;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    color: var(--muted);
    padding: 0 14px 12px;
    text-align: left;
    border-bottom: 1px solid var(--border);
    font-weight: 700;
}

tbody td {
    padding: 12px 14px;
    font-size: 0.85rem;
    border-bottom: 1px solid rgba(26,42,69,0.6);
    vertical-align: middle;
}

tbody tr:last-child td { border-bottom: none; }
tbody tr:hover td { background: rgba(255,255,255,0.018); }

/* ── Usage bar ───────────────────────────────────────────────────────── */
.usage-wrap { min-width: 100px; }
.usage-nums { font-size: 0.78rem; margin-bottom: 4px; color: var(--text); }
.usage-bar  { height: 4px; border-radius: 2px; background: var(--border); }
.usage-fill { height: 100%; border-radius: 2px; background: var(--primary); transition: width 0.3s; }
.usage-fill.warn { background: var(--warn); }
.usage-fill.crit { background: var(--danger); }

/* ── Status badges ───────────────────────────────────────────────────── */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 3px 8px;
    border-radius: 5px;
    white-space: nowrap;
}
.badge-green  { background: rgba(52,211,153,0.12); color: var(--success); }
.badge-red    { background: rgba(248,113,113,0.12); color: var(--danger); }
.badge-yellow { background: rgba(251,191,36,0.12);  color: var(--warn); }
.badge-muted  { background: rgba(74,90,120,0.2);    color: var(--muted); }

.domain-warn-icon {
    display: inline-flex;
    align-items: center;
    margin-left: 6px;
    font-size: 0.85rem;
    color: var(--warn);
    cursor: help;
    text-shadow: 0 0 6px rgba(251,191,36,0.95), 0 0 14px rgba(251,191,36,0.7), 0 0 28px rgba(251,191,36,0.4);
    filter: drop-shadow(0 0 3px rgba(251,191,36,0.8));
    transition: text-shadow 0.2s, filter 0.2s;
}
.domain-warn-icon:hover {
    text-shadow: 0 0 8px rgba(251,191,36,1), 0 0 18px rgba(251,191,36,0.85), 0 0 36px rgba(251,191,36,0.55);
    filter: drop-shadow(0 0 6px rgba(251,191,36,1));
}

/* ── Action buttons ──────────────────────────────────────────────────── */
.btn { display: inline-flex; align-items: center; gap: 4px; border-radius: 6px; cursor: pointer; font-family: inherit; font-weight: 600; transition: background 0.15s, color 0.15s, border-color 0.15s; white-space: nowrap; }

.btn-sm { font-size: 0.75rem; padding: 4px 10px; }

.btn-ghost  { background: none; border: 1px solid var(--border); color: var(--muted); }
.btn-ghost:hover { border-color: var(--primary); color: var(--primary); }

.btn-danger { background: none; border: 1px solid rgba(248,113,113,0.3); color: var(--danger); }
.btn-danger:hover { background: rgba(248,113,113,0.1); }

.btn-warn   { background: none; border: 1px solid rgba(251,191,36,0.3); color: var(--warn); }
.btn-warn:hover { background: rgba(251,191,36,0.1); }

.btn-success { background: none; border: 1px solid rgba(52,211,153,0.3); color: var(--success); }
.btn-success:hover { background: rgba(52,211,153,0.1); }

/* ── Action group ────────────────────────────────────────────────────── */
.actions { display: flex; align-items: center; gap: 5px; }

/* ── Search / filter bar ─────────────────────────────────────────────── */
.search-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 6px 12px;
    transition: border-color 0.2s;
}
.search-bar:focus-within { border-color: var(--primary); }
.search-bar input {
    background: none;
    border: none;
    color: var(--text);
    font-family: inherit;
    font-size: 0.85rem;
    outline: none;
    min-width: 200px;
}
.search-bar input::placeholder { color: var(--muted); }
.search-bar svg { color: var(--muted); flex-shrink: 0; }

/* ── Slide-in detail panel ───────────────────────────────────────────── */
.detail-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 100;
    display: none;
    align-items: stretch;
    justify-content: flex-end;
}
.detail-overlay.open { display: flex; }

.detail-panel {
    background: var(--surface);
    border-left: 1px solid var(--border);
    width: 480px;
    max-width: 95vw;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    animation: slideIn 0.25s ease;
}

@keyframes slideIn {
    from { transform: translateX(100%); }
    to   { transform: translateX(0); }
}

.detail-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 22px;
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}

.detail-title { font-size: 1rem; font-weight: 700; }
.detail-close { background: none; border: none; color: var(--muted); cursor: pointer; padding: 4px; border-radius: 4px; }
.detail-close:hover { color: var(--text); }

.detail-body { padding: 22px; flex: 1; display: flex; flex-direction: column; gap: 18px; }

.detail-section-title {
    font-size: 0.68rem;
    text-transform: uppercase;
    letter-spacing: 0.07em;
    color: var(--muted);
    margin-bottom: 10px;
    font-weight: 700;
}

.detail-field { display: flex; flex-direction: column; gap: 4px; }

.detail-field label {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--muted);
}

.detail-field input,
.detail-field textarea,
.detail-field select {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text);
    font-family: inherit;
    font-size: 0.85rem;
    outline: none;
    padding: 8px 10px;
    transition: border-color 0.2s;
    width: 100%;
}
.detail-field input:focus,
.detail-field textarea:focus { border-color: var(--primary); }

.detail-field code {
    font-family: monospace;
    font-size: 0.8rem;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 8px 10px;
    color: var(--primary);
    display: block;
    word-break: break-all;
}

.detail-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: 4px;
}

/* ── Transcript list ─────────────────────────────────────────────────── */
.convo-item {
    padding: 12px 14px;
    border-bottom: 1px solid rgba(26,42,69,0.6);
    cursor: pointer;
    transition: background 0.12s;
}
.convo-item:hover { background: rgba(255,255,255,0.02); }
.convo-item:last-child { border-bottom: none; }
.convo-preview { font-size: 0.82rem; color: var(--muted); margin-top: 3px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* ── Transcript viewer ───────────────────────────────────────────────── */
.transcript-bubble {
    max-width: 80%;
    padding: 9px 13px;
    border-radius: 12px;
    font-size: 0.85rem;
    line-height: 1.5;
    white-space: pre-wrap;
    word-break: break-word;
}
.transcript-user { align-self: flex-end; }
.transcript-user .transcript-bubble { background: linear-gradient(135deg, var(--primary), #34d399); color: #060b18; font-weight: 500; border-bottom-right-radius: 3px; }
.transcript-assistant .transcript-bubble { background: var(--surface2); border: 1px solid rgba(167,139,250,0.15); border-bottom-left-radius: 3px; }
.transcript-msg { display: flex; flex-direction: column; margin-bottom: 10px; }

/* ── Form (create client) ────────────────────────────────────────────── */
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-field { display: flex; flex-direction: column; gap: 5px; }
.field-label { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); font-weight: 700; }
.form-field input, .form-field select {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    font-family: inherit;
    font-size: 0.88rem;
    outline: none;
    padding: 10px 12px;
    transition: border-color 0.2s;
}
.form-field input:focus { border-color: var(--primary); }
.form-field input::placeholder { color: var(--muted); }
.form-full { grid-column: 1 / -1; }

/* ── Empty state ─────────────────────────────────────────────────────── */
.empty-state { text-align: center; padding: 40px 20px; color: var(--muted); font-size: 0.85rem; }

/* ── Scrollbar ───────────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--muted); }

/* ── Hamburger button ────────────────────────────────────────────────── */
.mob-menu-btn {
    display: none;
    align-items: center;
    justify-content: center;
    background: none;
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--muted);
    cursor: pointer;
    padding: 6px 8px;
    flex-shrink: 0;
    transition: border-color 0.15s, color 0.15s;
}
.mob-menu-btn:hover { border-color: var(--primary); color: var(--primary); }

/* ── Sidebar backdrop ────────────────────────────────────────────────── */
.sidebar-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.55);
    z-index: 49;
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
}
.sidebar-backdrop.open { display: block; }

/* ── Drag-scrollable table containers ────────────────────────────────── */
.drag-scroll {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    cursor: grab;
    user-select: none;
}
.drag-scroll.dragging { cursor: grabbing; }

/* ── Responsive ──────────────────────────────────────────────────────── */
@media (max-width: 900px) {
    .kpi-grid { grid-template-columns: repeat(2, 1fr); }
    .form-grid { grid-template-columns: 1fr; }
}

/* ── Error stats bar ─────────────────────────────────────────────────── */
.error-stats {
    display: flex;
    border-bottom: 1px solid var(--border);
}

.error-stat {
    flex: 1;
    padding: 10px 16px;
    border-right: 1px solid var(--border);
    text-align: center;
}
.error-stat:last-child { border-right: none; }
.error-stat-value { font-size: 1.3rem; font-weight: 700; color: var(--danger); }
.error-stat-label { font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); margin-top: 2px; }

/* ── Error filter bar ────────────────────────────────────────────────── */
.error-filter-bar {
    display: flex;
    gap: 6px;
    align-items: center;
}
.error-filter-bar select {
    background: var(--bg);
    border: 1px solid var(--border);
    color: var(--text);
    border-radius: 6px;
    padding: 4px 8px;
    font-family: inherit;
    font-size: 0.8rem;
    outline: none;
    cursor: pointer;
    transition: border-color 0.15s;
}
.error-filter-bar select:focus { border-color: var(--primary); }

@media (max-width: 768px) {
    .mob-menu-btn { display: flex; }

    .shell {
        grid-template-columns: 1fr;
    }

    .topbar {
        padding: 0 14px;
        gap: 10px;
    }

    .topbar-user { display: none; }

    .sidebar {
        position: fixed;
        top: 56px;
        left: 0;
        bottom: 0;
        width: 230px;
        z-index: 50;
        transform: translateX(-100%);
        transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        box-shadow: 6px 0 32px rgba(0,0,0,0.65);
    }
    .sidebar.open { transform: translateX(0); }

    .main-content {
        padding: 14px;
        gap: 14px;
    }

    .kpi-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
    }

    .kpi-card { padding: 14px 16px; }
    .kpi-value { font-size: 1.65rem; }

    .panel-header {
        flex-wrap: wrap;
        gap: 10px;
        padding: 12px 14px;
    }

    .search-bar input { min-width: 100px; }

    thead th { padding: 0 10px 10px; }
    tbody td { padding: 10px; font-size: 0.8rem; }

    .detail-overlay { align-items: flex-end; }

    .detail-panel {
        width: 100%;
        max-width: 100%;
        border-left: none;
        border-top: 1px solid var(--border);
        border-radius: 16px 16px 0 0;
        animation: slideUp 0.25s ease;
    }

    @keyframes slideUp {
        from { transform: translateY(100%); }
        to   { transform: translateY(0); }
    }
}