/* ===== TBM Admin Dashboard — World-Class Polish ===== */
/* Brand: teal #09A1A1, steel #5484A4, coral #FA6E82, gold #F6C992, blue-gray #ACC0D3 */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
    --primary: #09A1A1;
    --primary-dark: #078888;
    --primary-light: #e6f7f7;
    --steel: #5484A4;
    --coral: #FA6E82;
    --gold: #F6C992;
    --blue-gray: #ACC0D3;
    --bg: #f4f7fa;
    --card: #ffffff;
    --sidebar-bg: #0f172a;
    --sidebar-text: #94a3b8;
    --sidebar-active: #ffffff;
    --text: #1e293b;
    --text-muted: #64748b;
    --border: #e2e8f0;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --radius: 10px;
    --shadow: 0 1px 4px rgba(0,0,0,.06);
    --shadow-lg: 0 4px 16px rgba(0,0,0,.1);
}
html, body { height: 100%; font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; color: var(--text); background: var(--bg); font-size: 14px; -webkit-font-smoothing: antialiased; }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }
h2 { font-size: 1.5rem; font-weight: 700; margin-bottom: 1rem; color: var(--text); }
h3 { font-size: 1.1rem; font-weight: 600; margin-bottom: .75rem; }
input, textarea, select { font-family: inherit; font-size: 14px; }

/* ===== Layout ===== */
#app { display: flex; height: 100vh; overflow: hidden; }

/* ===== Sidebar ===== */
#sidebar {
    width: 250px; min-width: 250px; background: var(--sidebar-bg);
    display: flex; flex-direction: column; color: var(--sidebar-text);
    transition: transform .2s;
}
.sidebar-brand { padding: 20px; display: flex; align-items: center; gap: 10px; border-bottom: 1px solid rgba(255,255,255,.06); }
.sidebar-brand h1 { font-size: 1.1rem; color: #fff; font-weight: 700; }
.brand-icon { font-size: 1.5rem; }
.version { font-size: .65rem; background: rgba(9,161,161,.25); padding: 2px 8px; border-radius: 10px; color: var(--primary); font-weight: 600; }
.nav-menu { list-style: none; padding: 16px 0; flex: 1; }
.nav-menu a {
    display: flex; align-items: center; gap: 10px;
    padding: 11px 20px; color: var(--sidebar-text); font-weight: 500;
    transition: background .15s, color .15s; text-decoration: none; border-left: 3px solid transparent;
}
.nav-menu a:hover { background: rgba(255,255,255,.04); color: #e2e8f0; text-decoration: none; }
.nav-menu a.active { background: rgba(9,161,161,.12); color: var(--primary); border-left-color: var(--primary); }
.nav-icon { font-size: 1.1rem; width: 22px; text-align: center; }
.sidebar-footer { padding: 16px; border-top: 1px solid rgba(255,255,255,.06); }

/* ===== Main Content ===== */
#content { flex: 1; overflow-y: auto; padding: 28px 36px; }

/* ===== Pages ===== */
.page { display: none; }
.page.active { display: block; }

/* ===== Auth ===== */
.auth-card {
    max-width: 380px; margin: 100px auto; background: var(--card);
    padding: 36px; border-radius: 16px; box-shadow: var(--shadow-lg); text-align: center;
}
.auth-card h2 { margin-bottom: .5rem; }
.auth-card p { color: var(--text-muted); margin-bottom: 1.5rem; }
.auth-card input { width: 100%; padding: 11px 14px; border: 1.5px solid var(--border); border-radius: var(--radius); margin-bottom: 12px; transition: border-color .2s; }
.auth-card input:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-light); }
.error-text { color: var(--danger); font-size: .85rem; margin-top: 8px; }

/* ===== Buttons ===== */
.btn {
    padding: 9px 18px; border: none; border-radius: var(--radius); font-weight: 600;
    cursor: pointer; font-size: .85rem; transition: all .2s; display: inline-flex; align-items: center; gap: 6px;
}
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover:not(:disabled) { background: var(--primary-dark); transform: translateY(-1px); box-shadow: 0 3px 10px rgba(9,161,161,.2); }
.btn-success { background: var(--success); color: #fff; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-warning { background: var(--warning); color: #fff; }
.btn-ghost { background: transparent; color: var(--text-muted); border: 1px solid var(--border); }
.btn-ghost:hover { background: var(--bg); }
.btn-sm { padding: 5px 12px; font-size: .8rem; }
.btn-block { width: 100%; justify-content: center; }

/* ===== Cards ===== */
.card { background: var(--card); border-radius: var(--radius); padding: 22px; box-shadow: var(--shadow); border: 1px solid #f1f5f9; }
.mt-4 { margin-top: 1.5rem; }
.mb-2 { margin-bottom: 1rem; }

/* ===== Stats Grid (Visual Cards) ===== */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 16px; }
.stat-card {
    background: var(--card); padding: 20px; border-radius: var(--radius); box-shadow: var(--shadow);
    display: flex; flex-direction: column; position: relative; overflow: hidden; border: 1px solid #f1f5f9;
    transition: transform .2s, box-shadow .2s;
}
.stat-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.stat-card .stat-label { color: var(--text-muted); font-size: .75rem; font-weight: 600; text-transform: uppercase; letter-spacing: .5px; }
.stat-card .stat-value { font-size: 2rem; font-weight: 800; color: var(--text); margin-top: 4px; }
.stat-card .stat-sub { color: var(--text-muted); font-size: .8rem; margin-top: 4px; }
.stat-card.accent { border-left: 4px solid var(--primary); }
.stat-card.accent-coral { border-left: 4px solid var(--coral); }
.stat-card.accent-gold { border-left: 4px solid var(--gold); }
.stat-card.accent-steel { border-left: 4px solid var(--steel); }
.stat-card.accent-success { border-left: 4px solid var(--success); }
/* Decorative background icon */
.stat-card .stat-icon {
    position: absolute; top: 12px; right: 12px; font-size: 2rem; opacity: 0.08;
}

/* ===== Tables ===== */
.table-container { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; background: var(--card); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); }
th, td { padding: 12px 16px; text-align: left; border-bottom: 1px solid var(--border); }
th { background: #f8fafc; font-weight: 600; color: var(--text-muted); font-size: .8rem; text-transform: uppercase; letter-spacing: .3px; }
tr:hover td { background: #fafcfd; }
tr:last-child td { border-bottom: none; }
.clickable { cursor: pointer; }

/* ===== Tabs ===== */
.tabs { display: flex; gap: 0; border-bottom: 2px solid var(--border); margin-bottom: 1.5rem; overflow-x: auto; }
.tab {
    padding: 10px 18px; border: none; background: none; cursor: pointer;
    font-weight: 600; color: var(--text-muted); border-bottom: 2px solid transparent;
    margin-bottom: -2px; white-space: nowrap; font-size: .85rem; transition: all .15s;
}
.tab:hover { color: var(--text); }
.tab.active { color: var(--primary); border-bottom-color: var(--primary); }

/* ===== Forms ===== */
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-weight: 600; margin-bottom: 4px; color: var(--text); font-size: .85rem; }
.form-group small { color: var(--text-muted); }
.form-group input, .form-group textarea, .form-group select {
    width: 100%; padding: 9px 12px; border: 1.5px solid var(--border); border-radius: var(--radius);
    background: #fff; transition: border-color .15s, box-shadow .15s;
}
.form-group input:focus, .form-group textarea:focus, .form-group select:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-light); }
.form-group input[type="color"] { height: 40px; padding: 4px; cursor: pointer; }
.form-row { display: flex; gap: 12px; align-items: end; flex-wrap: wrap; }
.mono { font-family: 'SFMono-Regular', Consolas, monospace; font-size: .85rem; background: #f8fafc; }

/* ===== Bar Chart (CSS) ===== */
.bar-chart { display: flex; align-items: flex-end; gap: 3px; height: 160px; padding-top: 8px; overflow-x: auto; }
.bar-chart .bar {
    flex: 1; min-width: 14px; max-width: 40px; background: linear-gradient(180deg, var(--primary), var(--steel)); border-radius: 4px 4px 0 0;
    position: relative; transition: opacity .15s; cursor: default;
}
.bar-chart .bar:hover { opacity: 0.85; }
.bar-chart .bar .bar-tooltip {
    position: absolute; bottom: 100%; left: 50%; transform: translateX(-50%);
    background: var(--sidebar-bg); color: #fff; padding: 4px 10px; border-radius: 6px;
    font-size: .7rem; white-space: nowrap; opacity: 0; pointer-events: none; transition: opacity .15s;
    margin-bottom: 4px;
}
.bar-chart .bar:hover .bar-tooltip { opacity: 1; }

/* ===== Tags / Badges ===== */
.tag {
    display: inline-block; padding: 2px 8px; border-radius: 12px;
    font-size: .75rem; font-weight: 600; background: var(--primary-light); color: var(--primary);
}
.tag-success { background: #d1fae5; color: #065f46; }
.tag-danger { background: #fee2e2; color: #991b1b; }
.tag-warning { background: #fef3c7; color: #92400e; }

/* ===== Wizard ===== */
.wizard-progress { display: flex; gap: 0; margin-bottom: 2rem; }
.wizard-progress .step {
    flex: 1; text-align: center; padding: 12px; font-weight: 600; font-size: .85rem;
    color: var(--text-muted); border-bottom: 3px solid var(--border); transition: all .2s;
}
.wizard-progress .step.active { color: var(--primary); border-bottom-color: var(--primary); }
.wizard-progress .step.done { color: var(--success); border-bottom-color: var(--success); }
.wizard-step { display: none; }
.wizard-step.active { display: block; }
.wizard-body { background: var(--card); padding: 24px; border-radius: var(--radius); box-shadow: var(--shadow); min-height: 250px; }
.wizard-footer { display: flex; justify-content: space-between; margin-top: 16px; }

/* ===== Live Monitor ===== */
.live-dot {
    display: inline-block; width: 10px; height: 10px; border-radius: 50%;
    background: var(--coral); animation: pulse 1.5s infinite;
}
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: .4; } }
.live-card {
    background: var(--card); padding: 16px; border-radius: var(--radius); box-shadow: var(--shadow);
    margin-bottom: 12px; border-left: 4px solid var(--primary); transition: all .2s;
    border: 1px solid #f1f5f9; border-left: 4px solid var(--primary);
}
.live-card:hover { box-shadow: var(--shadow-lg); }
.live-card.new { border-left-color: var(--success); animation: slideIn .3s; }
@keyframes slideIn { from { opacity: 0; transform: translateX(-20px); } to { opacity: 1; transform: translateX(0); } }
.live-card h4 { font-size: .95rem; margin-bottom: 4px; }
.live-card .live-meta { color: var(--text-muted); font-size: .8rem; }
.live-card .live-preview { color: var(--text-muted); font-size: .82rem; margin-top: 6px; font-style: italic; }

/* ===== Insights ===== */
.insight-card {
    background: var(--card); padding: 16px 20px; border-radius: var(--radius); box-shadow: var(--shadow);
    margin-bottom: 12px; border-left: 4px solid var(--border); border: 1px solid #f1f5f9;
    border-left: 4px solid var(--border);
}
.insight-card.high { border-left-color: var(--coral); }
.insight-card.medium { border-left-color: var(--gold); }
.insight-card.low { border-left-color: var(--success); }
.insight-card h4 { font-size: .95rem; margin-bottom: 4px; }
.insight-card p { color: var(--text-muted); font-size: .85rem; margin: 0; }
.insight-type { font-size: .7rem; font-weight: 700; text-transform: uppercase; letter-spacing: .5px; margin-bottom: 4px; color: var(--steel); }

/* ===== Toast ===== */
#toast-container { position: fixed; top: 20px; right: 20px; z-index: 9999; display: flex; flex-direction: column; gap: 8px; }
.toast {
    padding: 12px 20px; border-radius: var(--radius); color: #fff; font-weight: 500;
    box-shadow: var(--shadow-lg); animation: toastIn .3s;
    min-width: 250px; font-size: .85rem;
}
.toast.success { background: var(--success); }
.toast.error { background: var(--danger); }
.toast.info { background: var(--primary); }
@keyframes toastIn { from { opacity: 0; transform: translateY(-10px); } to { opacity: 1; transform: translateY(0); } }

/* ===== Modal ===== */
.modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,.5); z-index: 999; display: flex; align-items: center; justify-content: center; backdrop-filter: blur(2px); }
.modal-overlay.hidden { display: none; }
.modal { background: var(--card); border-radius: 12px; box-shadow: var(--shadow-lg); width: 90%; max-width: 600px; max-height: 80vh; overflow-y: auto; }
.modal-header { display: flex; justify-content: space-between; align-items: center; padding: 16px 20px; border-bottom: 1px solid var(--border); }
.modal-close { background: none; border: none; font-size: 1.5rem; cursor: pointer; color: var(--text-muted); }
.modal-body { padding: 20px; }

/* ===== Conversation detail ===== */
.message-bubble {
    padding: 11px 15px; border-radius: 14px; margin-bottom: 8px; max-width: 85%;
    font-size: .9rem; line-height: 1.5;
}
.message-bubble.user { background: var(--primary-light); color: var(--text); margin-left: auto; border-bottom-right-radius: 4px; }
.message-bubble.assistant { background: #f1f5f9; color: var(--text); border-bottom-left-radius: 4px; }
.message-bubble .bubble-meta { font-size: .7rem; color: var(--text-muted); margin-top: 4px; }

/* ===== Unanswered (prominent) ===== */
.unanswered-alert {
    background: linear-gradient(135deg, #fff5f5, #fef2f2);
    border: 1px solid #fecaca;
    border-radius: var(--radius);
    padding: 16px 20px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 12px;
}
.unanswered-alert-icon { font-size: 1.5rem; }
.unanswered-alert-text { flex: 1; }
.unanswered-alert-text strong { color: var(--danger); }
.unanswered-alert-text p { color: var(--text-muted); font-size: .85rem; margin-top: 2px; }

/* ===== Satisfaction Trend ===== */
.satisfaction-bar {
    display: flex; height: 28px; border-radius: 6px; overflow: hidden; margin: 12px 0;
}
.satisfaction-bar .sat-positive { background: var(--success); transition: width .5s; }
.satisfaction-bar .sat-negative { background: var(--coral); transition: width .5s; }
.satisfaction-legend { display: flex; gap: 20px; font-size: .8rem; color: var(--text-muted); }
.satisfaction-legend span { display: inline-flex; align-items: center; gap: 4px; }
.satisfaction-legend .dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }

/* ===== Page Header ===== */
.page-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1rem; }

/* ===== Empty State ===== */
.empty-state { text-align: center; padding: 48px 20px; color: var(--text-muted); }
.empty-state .empty-icon { font-size: 3rem; margin-bottom: 12px; }

/* ===== Responsive ===== */
@media (max-width: 768px) {
    #sidebar { position: fixed; left: 0; top: 0; bottom: 0; z-index: 100; transform: translateX(-100%); }
    #sidebar.open { transform: translateX(0); }
    #content { padding: 16px; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .wizard-progress .step { font-size: .7rem; padding: 8px; }
}

/* ===== Utility ===== */
.text-muted { color: var(--text-muted); }
.text-sm { font-size: .85rem; }
.flex { display: flex; }
.gap-2 { gap: 8px; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.w-full { width: 100%; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 200px; }