/* ══ Speaker OS Design System – Admin (Dashboard Mode: Light) ═══════════════
   Tokens from stitch_speaker_os_interactive_system/speaker_os_design_system */
:root {
  --navy: #0A1A3A;            /* primary – text, branding anchor */
  --navy-soft: #384668;
  --blue: #0062FF;            /* secondary – actions, active states */
  --blue-strong: #004CCB;
  --purple: #7000FF;
  --grad-accent: linear-gradient(135deg, #0062FF 0%, #7000FF 100%);
  --bg: #F8FAFC;
  --surface: #FFFFFF;
  --surface-low: #EFF4FF;
  --surface-mid: #E5EEFF;
  --border: #E2E8F0;
  --text: #0B1C30;
  --text-muted: #45464E;
  --text-faint: #75777F;
  --error: #BA1A1A;
  --error-bg: #FFDAD6;
  --error-text: #93000A;
  --ok: #15803D;
  --ok-bg: #DCFCE7;
  --warn: #B45309;
  --warn-bg: #FEF3C7;
  --shadow-sm: 0 1px 2px rgba(10, 26, 58, 0.06);
  --shadow-md: 0 4px 16px rgba(10, 26, 58, 0.08);
  --r-sm: 0.5rem;   /* 8px – buttons, inputs, small cards */
  --r-lg: 1rem;     /* 16px – container cards, modals */
  --font-head: 'Hanken Grotesk', 'Noto Sans TC', -apple-system, sans-serif;
  --font-body: 'Inter', 'Noto Sans TC', -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'SFMono-Regular', Menlo, monospace;
}

/* ── Reset & Base ──────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: var(--font-body); font-size: 15px; line-height: 1.5; color: var(--text); background: var(--bg); min-height: 100vh; }
body.with-sidebar { display: flex; }
a { color: var(--blue-strong); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { font-family: var(--font-head); letter-spacing: -0.01em; color: var(--navy); }

/* ── Sidebar ────────────────────────────────────────────────────────────────── */
.sidebar { width: 228px; flex-shrink: 0; background: var(--surface); border-right: 1px solid var(--border); min-height: 100vh; position: sticky; top: 0; align-self: flex-start; display: flex; flex-direction: column; padding: 20px 14px; height: 100vh; }
.sidebar-logo { display: block; padding: 2px 6px 0; }
.sidebar-logo img { width: 100%; max-width: 168px; height: auto; display: block; }
.sidebar-label { font-family: var(--font-mono); font-size: 10px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-faint); padding: 6px 8px 0; margin-bottom: 20px; }
.sidebar-nav { display: flex; flex-direction: column; gap: 4px; }
.side-link { display: block; padding: 10px 14px; border-radius: var(--r-sm); font-size: 14px; font-weight: 500; color: var(--text-muted); transition: background .15s, color .15s; }
.side-link:hover { background: var(--surface-low); color: var(--navy); text-decoration: none; }
.side-link.active { background: var(--blue); color: #fff; font-weight: 600; }
.sidebar-footer { margin-top: auto; padding: 10px 8px 4px; border-top: 1px solid var(--border); }
.side-logout { background: none; border: none; font-family: var(--font-body); font-size: 14px; color: var(--text-faint); cursor: pointer; padding: 6px; transition: color .15s; }
.side-logout:hover { color: var(--error); }

/* ── Layout ─────────────────────────────────────────────────────────────────── */
.container { flex: 1; max-width: 1160px; margin: 0 auto; padding: 32px; min-width: 0; }
body.no-sidebar .container { max-width: 1100px; padding: 32px 20px; }

/* ── Page Header ────────────────────────────────────────────────────────────── */
.page-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 24px; flex-wrap: wrap; gap: 12px; }
.page-header h1 { font-size: 24px; font-weight: 700; letter-spacing: -0.02em; }
.page-header .sub { font-size: 14px; color: var(--text-faint); margin-top: 2px; }
.header-actions { display: flex; gap: 8px; flex-wrap: wrap; }

/* ── Buttons ─────────────────────────────────────────────────────────────────── */
.btn { display: inline-flex; align-items: center; gap: 6px; padding: 8px 16px; border: 1px solid transparent; border-radius: var(--r-sm); font-family: var(--font-head); font-size: 14px; font-weight: 600; cursor: pointer; text-decoration: none; transition: background .15s, box-shadow .15s, border-color .15s, opacity .15s; }
.btn:hover { text-decoration: none; box-shadow: var(--shadow-md); }
.btn-primary { background: var(--blue); color: #fff; }
.btn-primary:hover { background: var(--blue-strong); }
.btn-ghost { background: var(--surface); color: var(--navy); border-color: var(--border); }
.btn-ghost:hover { border-color: var(--blue); }
.btn-success { background: var(--ok); color: #fff; }
.btn-warning { background: var(--warn); color: #fff; }
.btn-danger { background: var(--error); color: #fff; }
.btn-sm { padding: 5px 10px; font-size: 13px; }
.btn-link { background: none; border: none; color: var(--blue-strong); font-family: var(--font-body); font-size: 14px; cursor: pointer; padding: 0; }
.btn-link:hover { color: var(--navy); }

/* ── Cards / Grid ────────────────────────────────────────────────────────────── */
.card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 24px; }
.event-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-lg); padding: 20px; display: flex; flex-direction: column; gap: 10px; box-shadow: var(--shadow-sm); transition: box-shadow .15s, border-color .15s; }
.event-card:hover { box-shadow: var(--shadow-md); border-color: var(--blue); }
.event-card-header { display: flex; align-items: center; justify-content: space-between; }
.event-title { font-family: var(--font-head); font-size: 17px; font-weight: 600; }
.event-title a { color: var(--navy); }
.event-meta { display: flex; gap: 12px; font-size: 13px; color: var(--text-faint); flex-wrap: wrap; }
.event-stats { display: flex; gap: 16px; font-size: 14px; color: var(--navy-soft); }
.event-actions { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 4px; }
.event-code { font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.05em; color: var(--navy-soft); background: var(--surface-low); padding: 2px 8px; border-radius: 4px; }

/* ── Status Badges ───────────────────────────────────────────────────────────── */
.status-badge { font-family: var(--font-mono); font-size: 11px; font-weight: 600; letter-spacing: 0.04em; padding: 3px 10px; border-radius: 9999px; }
.status-draft { background: var(--surface-mid); color: var(--navy-soft); }
.status-published { background: #DBE1FF; color: var(--blue-strong); }
.status-live { background: var(--grad-accent); color: #fff; animation: live-pulse 2s ease-in-out infinite; }
@keyframes live-pulse { 0%, 100% { opacity: 1; } 50% { opacity: .75; } }
.status-ended { background: #F1F5F9; color: var(--text-faint); }
.status-archived { background: #FEFCE8; color: #854D0E; }
.status-cancelled { background: var(--error-bg); color: var(--error-text); }

/* ── Form Elements ───────────────────────────────────────────────────────────── */
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-size: 14px; font-weight: 500; color: var(--text-muted); margin-bottom: 5px; }
.form-control { width: 100%; padding: 9px 12px; border: 1px solid var(--border); border-radius: var(--r-sm); font-family: var(--font-body); font-size: 15px; color: var(--text); transition: border-color .15s, box-shadow .15s; }
.form-control:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(0, 98, 255, 0.12); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-hint { font-size: 12px; color: var(--text-faint); margin-top: 4px; }
.form-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-lg); padding: 28px; max-width: 700px; box-shadow: var(--shadow-sm); }
.form-title { font-family: var(--font-head); font-size: 20px; font-weight: 700; letter-spacing: -0.01em; color: var(--navy); margin-bottom: 22px; }
.form-footer { display: flex; gap: 12px; margin-top: 24px; }
.alert-error { background: var(--error-bg); color: var(--error-text); border-radius: var(--r-sm); padding: 10px 14px; margin-bottom: 18px; font-size: 14px; }

/* ── Empty State ─────────────────────────────────────────────────────────────── */
.empty-state { text-align: center; padding: 48px 20px; color: var(--text-faint); font-size: 15px; }

/* ── Pause Bar ───────────────────────────────────────────────────────────────── */
.pause-bar { display: flex; align-items: center; gap: 12px; margin-bottom: 20px; flex-wrap: wrap; }
.pause-badge { background: var(--error-bg); color: var(--error-text); font-size: 13px; font-weight: 600; padding: 4px 12px; border-radius: 9999px; }

/* ── Filter Tabs ─────────────────────────────────────────────────────────────── */
.filter-tabs { display: flex; gap: 4px; margin-bottom: 20px; flex-wrap: wrap; }
.tab { display: inline-block; padding: 6px 14px; border-radius: var(--r-sm); font-size: 14px; font-weight: 500; color: var(--navy-soft); background: var(--surface-mid); text-decoration: none; transition: background .15s; }
.tab:hover { background: #D3E4FE; text-decoration: none; }
.tab.active { background: var(--blue); color: #fff; }

/* ── Question Admin List ─────────────────────────────────────────────────────── */
.q-admin-list { display: flex; flex-direction: column; gap: 10px; }
.q-admin-item { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-sm); padding: 16px; display: flex; gap: 16px; align-items: flex-start; }
.q-admin-item.q-status-answered { border-left: 4px solid var(--ok); }
.q-admin-item.q-status-pending { border-left: 4px solid var(--warn); }
.q-admin-item.q-status-hidden, .q-admin-item.q-status-spam { opacity: .6; }
.q-admin-main { flex: 1; }
.q-text { font-size: 15px; line-height: 1.5; margin-bottom: 8px; }
.q-admin-meta { display: flex; gap: 12px; font-size: 13px; color: var(--text-faint); flex-wrap: wrap; align-items: center; }
.q-admin-actions { display: flex; gap: 6px; flex-wrap: wrap; flex-shrink: 0; }
.q-status-badge { font-family: var(--font-mono); font-size: 10px; font-weight: 600; letter-spacing: 0.04em; padding: 2px 9px; border-radius: 9999px; }
.q-sb-pending { background: var(--warn-bg); color: #92400E; }
.q-sb-public { background: #DBE1FF; color: var(--blue-strong); }
.q-sb-answered { background: var(--ok-bg); color: #14532D; }
.q-sb-later { background: #E9DDFF; color: #5700C9; }
.q-sb-hidden { background: #F1F5F9; color: var(--text-faint); }
.q-sb-spam { background: var(--error-bg); color: var(--error-text); }
.star-icon { display: inline-flex; align-items: center; color: var(--blue); }
.star-icon svg { width: 16px; height: 16px; }
.q-time { font-family: var(--font-mono); font-size: 11px; }

/* ── Event Detail ─────────────────────────────────────────────────────────────── */
.detail-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 24px; margin-top: 16px; }
@media (max-width: 700px) { .detail-grid { grid-template-columns: 1fr; } }
.detail-card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-lg); padding: 20px 24px; margin-bottom: 20px; box-shadow: var(--shadow-sm); }
.detail-card h2 { font-size: 15px; font-weight: 700; color: var(--navy); margin-bottom: 14px; }
.stat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 16px; }
.status-actions { display: flex; flex-direction: column; gap: 8px; }
.info-row { display: flex; gap: 8px; font-size: 14px; margin-bottom: 8px; }
.info-label { color: var(--text-faint); min-width: 70px; }
.action-links { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; }
.mini-q-list { display: flex; flex-direction: column; gap: 8px; }
.mini-q { background: var(--bg); border-radius: var(--r-sm); padding: 10px 12px; }
.mini-q-text { font-size: 14px; line-height: 1.4; }
.mini-q-meta { font-size: 12px; color: var(--text-faint); margin-top: 4px; }

/* ── QR Page ──────────────────────────────────────────────────────────────────── */
.qr-page { text-align: center; padding: 40px 0; }
.qr-page img { border: 4px solid var(--navy); border-radius: var(--r-lg); display: block; margin: 0 auto 20px; }
.qr-url { font-family: var(--font-mono); font-size: 14px; background: var(--surface-low); padding: 8px 16px; border-radius: var(--r-sm); display: inline-block; margin-bottom: 16px; }

/* ── Error/404 Page ───────────────────────────────────────────────────────────── */
.error-page { text-align: center; padding: 80px 20px; }
.error-icon { font-family: var(--font-mono); font-size: 64px; font-weight: 600; color: #CBD5E1; margin-bottom: 16px; }
.error-page h1 { font-size: 24px; margin-bottom: 10px; }
.error-page p { color: var(--text-faint); margin-bottom: 24px; }

/* ── Checkbox / Radio ─────────────────────────────────────────────────────────── */
.check-row { display: flex; align-items: center; gap: 8px; font-size: 14px; cursor: pointer; }
.check-row input { width: 16px; height: 16px; cursor: pointer; accent-color: var(--blue); }
.radio-group { display: flex; gap: 16px; }

/* ── Event Form (field / field-row / toggle-label) ──────────────────────────── */
.field { display: flex; flex-direction: column; gap: 5px; margin-bottom: 16px; }
.field label { font-size: 14px; font-weight: 500; color: var(--text-muted); }
.field input, .field textarea, .field select { padding: 9px 12px; border: 1px solid var(--border); border-radius: var(--r-sm); font-size: 15px; font-family: var(--font-body); color: var(--text); transition: border-color .15s, box-shadow .15s; }
.field input:focus, .field textarea:focus, .field select:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px rgba(0, 98, 255, 0.1); }
.field .required { color: var(--error); }
.field-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; margin-bottom: 4px; }
.toggle-label { display: flex; align-items: center; gap: 8px; font-size: 14px; cursor: pointer; margin-top: 6px; }
.toggle-label input[type=checkbox] { width: 16px; height: 16px; accent-color: var(--blue); cursor: pointer; }
.form-actions { display: flex; gap: 12px; margin-top: 24px; }
.alert { border-radius: var(--r-sm); padding: 10px 14px; margin-bottom: 16px; font-size: 14px; }
.alert-error { background: var(--error-bg); color: var(--error-text); }
.alert-success { background: var(--ok-bg); color: #14532D; }

/* ── Stats ────────────────────────────────────────────────────────────────────── */
.stats-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 14px; margin: 20px 0; }
.stat-box { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-lg); padding: 20px; text-align: center; }
.stat-num { font-family: var(--font-head); font-size: 32px; font-weight: 700; letter-spacing: -0.02em; color: var(--navy); }
.stat-label { font-family: var(--font-mono); font-size: 11px; font-weight: 600; letter-spacing: 0.05em; color: var(--text-faint); margin-top: 3px; }
.stat-link { text-decoration: none; display: block; }
.stat-link:hover .stat-box { border-color: var(--blue); box-shadow: var(--shadow-md); }
.stat-url { font-size: 14px; font-weight: 600; color: var(--blue-strong); margin-top: 3px; word-break: break-all; }
.action-row { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 20px; }
.card-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 14px; }
.card-header h2 { margin-bottom: 0; }
.info-grid { display: grid; grid-template-columns: auto 1fr; gap: 6px 16px; font-size: 14px; }
.info-grid dt { color: var(--text-faint); }
.info-grid dd { color: var(--text); }
.description { font-size: 14px; color: var(--text-muted); line-height: 1.6; margin-top: 14px; border-top: 1px solid var(--border); padding-top: 12px; }
.question-list { display: flex; flex-direction: column; gap: 8px; }
.question-item { background: var(--bg); border-radius: var(--r-sm); padding: 10px 14px; }
.question-item.question-status-answered { border-left: 3px solid var(--ok); }
.question-item.question-status-pending { border-left: 3px solid var(--warn); }
.q-meta { display: flex; gap: 12px; font-size: 12px; color: var(--text-faint); margin-top: 5px; }
.q-status { font-weight: 600; color: var(--text-faint); }
.empty { color: var(--text-faint); font-size: 14px; }

/* ── Login ────────────────────────────────────────────────────────────────────── */
.login-wrap { display: flex; align-items: center; justify-content: center; min-height: 70vh; }
.login-box { background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-lg); padding: 36px 32px; width: 100%; max-width: 380px; box-shadow: var(--shadow-md); text-align: center; }
.login-logo { width: 200px; max-width: 100%; height: auto; margin: 0 auto 6px; display: block; }
.login-box .sub { font-family: var(--font-mono); font-size: 11px; font-weight: 600; letter-spacing: 0.08em; color: var(--text-faint); margin-bottom: 24px; }
.login-box .field { text-align: left; }
.btn-block { width: 100%; justify-content: center; padding: 11px; margin-top: 6px; }

/* ── Responsive ───────────────────────────────────────────────────────────────── */
@media (max-width: 900px) {
  body.with-sidebar { flex-direction: column; }
  .sidebar { width: 100%; height: auto; min-height: 0; position: static; flex-direction: row; align-items: center; gap: 12px; padding: 10px 16px; border-right: none; border-bottom: 1px solid var(--border); flex-wrap: wrap; }
  .sidebar-logo img { width: 120px; }
  .sidebar-label { display: none; }
  .sidebar-nav { flex-direction: row; gap: 2px; overflow-x: auto; flex: 1; }
  .side-link { padding: 8px 10px; white-space: nowrap; font-size: 13px; }
  .sidebar-footer { margin-top: 0; padding: 0; border-top: none; }
  .container { padding: 20px 16px; }
}
@media (max-width: 600px) {
  .form-row { grid-template-columns: 1fr; }
  .field-row { grid-template-columns: 1fr; }
  .q-admin-item { flex-direction: column; }
  .q-admin-actions { flex-direction: row; }
  .stats-row { grid-template-columns: 1fr 1fr; }
}