:root {
  --primary: #4f46e5; --primary-light: #818cf8; --primary-dark: #3730a3;
  --success: #16a34a; --warning: #f59e0b; --danger: #dc2626;
  --bg: #f8fafc; --card: #ffffff; --text: #1e293b; --text-light: #64748b;
  --border: #e2e8f0; --shadow: 0 1px 3px rgba(0,0,0,0.1); --radius: 12px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; background: var(--bg); color: var(--text); line-height: 1.6; }

/* Login */
.login-page { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); padding: 20px; }
.login-container { width: 100%; max-width: 420px; }
.login-card { background: var(--card); border-radius: 16px; padding: 40px 32px; box-shadow: 0 20px 60px rgba(0,0,0,0.3); text-align: center; }
.login-card h1 { font-size: 1.8rem; margin-bottom: 8px; }
.subtitle { color: var(--text-light); margin-bottom: 24px; }
.auth-tabs { display: flex; margin-bottom: 20px; border: 2px solid var(--primary); border-radius: 8px; overflow: hidden; }
.auth-tab { flex: 1; padding: 10px; border: none; background: #fff; color: var(--primary); font-weight: 600; cursor: pointer; }
.auth-tab.active { background: var(--primary); color: #fff; }
.login-info { margin-top: 24px; padding-top: 20px; border-top: 1px solid var(--border); text-align: left; font-size: 0.85rem; }
.login-info code { background: #f1f5f9; padding: 2px 6px; border-radius: 4px; }

/* Forms */
.form-group { margin-bottom: 16px; text-align: left; }
.form-group label { display: block; font-weight: 600; margin-bottom: 6px; font-size: 0.9rem; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 10px 14px; border: 2px solid var(--border); border-radius: 8px;
  font-size: 1rem; transition: border-color 0.2s; outline: none;
}
.form-group input:focus, .form-group select:focus { border-color: var(--primary); }

/* Buttons */
.btn { padding: 10px 20px; border: none; border-radius: 8px; font-size: 0.95rem; font-weight: 600; cursor: pointer; transition: all 0.2s; display: inline-flex; align-items: center; gap: 6px; }
.btn-primary { background: var(--primary); color: #fff; } .btn-primary:hover { background: var(--primary-dark); }
.btn-success { background: var(--success); color: #fff; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-warning { background: var(--warning); color: #fff; }
.btn-sm { padding: 6px 12px; font-size: 0.8rem; }
.btn-block { width: 100%; justify-content: center; }

/* Navbar */
.navbar { background: var(--primary); color: #fff; padding: 12px 20px; display: flex; align-items: center; justify-content: space-between; position: sticky; top: 0; z-index: 100; box-shadow: 0 2px 10px rgba(0,0,0,0.15); }
.nav-brand { font-size: 1.2rem; font-weight: 700; cursor: pointer; }
.nav-user { display: flex; align-items: center; gap: 8px; }
.user-role-badge { padding: 3px 10px; border-radius: 20px; font-size: 0.75rem; font-weight: 600; }
.user-role-badge.admin { background: rgba(255,255,255,0.3); }
.user-role-badge.child { background: rgba(255,255,255,0.2); }
.nav-toggle { display: none; background: none; border: none; color: #fff; font-size: 1.5rem; cursor: pointer; }

/* Nav Links */
.nav-links { background: #fff; padding: 8px 20px; display: flex; gap: 4px; border-bottom: 2px solid var(--border); flex-wrap: wrap; }
.nav-links a { padding: 8px 14px; text-decoration: none; color: var(--text); border-radius: 8px; font-size: 0.9rem; font-weight: 500; transition: all 0.2s; }
.nav-links a:hover { background: #f1f5f9; }
.nav-links a.active { background: var(--primary); color: #fff; }
.logout-link { color: var(--danger) !important; margin-left: auto; }

/* Container & Cards */
.container { max-width: 1100px; margin: 0 auto; padding: 24px 20px; }
.card { background: var(--card); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow); margin-bottom: 20px; }
.card h3 { margin-bottom: 16px; font-size: 1.1rem; }

/* Stats Grid */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin-bottom: 24px; }
.stat-card { background: var(--card); border-radius: var(--radius); padding: 20px; display: flex; align-items: center; gap: 16px; box-shadow: var(--shadow); border-left: 4px solid var(--primary); }
.stat-card.stat-success { border-left-color: var(--success); } .stat-card.stat-warning { border-left-color: var(--warning); } .stat-card.stat-info { border-left-color: #3b82f6; }
.stat-icon { font-size: 2rem; } .stat-value { font-size: 1.8rem; font-weight: 700; } .stat-label { color: var(--text-light); font-size: 0.85rem; }

/* Tables */
.table { width: 100%; border-collapse: collapse; }
.table th, .table td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--border); }
.table th { background: #f8fafc; font-weight: 600; font-size: 0.85rem; text-transform: uppercase; color: var(--text-light); }
.table tr:hover { background: #f8fafc; }

/* Badges */
.badge { padding: 4px 10px; border-radius: 20px; font-size: 0.75rem; font-weight: 600; display: inline-block; }
.badge-success { background: #dcfce7; color: var(--success); } .badge-warning { background: #fef3c7; color: #b45309; }
.badge-danger { background: #fee2e2; color: var(--danger); } .badge-secondary { background: #f1f5f9; color: var(--text-light); }
.badge-category { background: #ede9fe; color: var(--primary); }

/* Chore List */
.chore-list { display: flex; flex-direction: column; gap: 8px; }
.chore-item { display: flex; align-items: center; justify-content: space-between; padding: 14px 16px; background: var(--card); border-radius: 10px; border: 2px solid var(--border); flex-wrap: wrap; gap: 8px; }
.chore-item.status-approved { border-color: var(--success); background: #f0fdf4; }
.chore-item.status-pending { border-color: var(--warning); background: #fffbeb; }
.chore-item.status-rejected { border-color: var(--danger); background: #fef2f2; }
.chore-name { font-weight: 600; flex: 1; min-width: 120px; }
.chore-meta { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.points { color: var(--warning); font-weight: 600; font-size: 0.85rem; }

/* Alerts */
.alert { padding: 12px 16px; border-radius: 8px; margin-bottom: 16px; font-size: 0.9rem; }
.alert-error { background: #fee2e2; color: var(--danger); } .alert-info { background: #dbeafe; color: #1d4ed8; }
.alert-success { background: #dcfce7; color: var(--success); }

/* Tracker */
.tracker-grid { overflow-x: auto; } .tracker-table { min-width: 700px; }
.tracker-table th, .tracker-table td { padding: 8px; text-align: center; font-size: 0.85rem; }
.status-dot { width: 24px; height: 24px; border-radius: 50%; display: inline-block; }
.status-dot.approved { background: var(--success); } .status-dot.pending { background: var(--warning); }
.status-dot.rejected { background: var(--danger); } .status-dot.not_done { background: #cbd5e1; }

/* Leaderboard */
.leaderboard-item { display: flex; align-items: center; gap: 16px; padding: 16px; background: var(--card); border-radius: 10px; margin-bottom: 8px; box-shadow: var(--shadow); }
.leaderboard-rank { font-size: 1.5rem; font-weight: 700; width: 40px; text-align: center; }
.leaderboard-rank.gold { color: #f59e0b; } .leaderboard-rank.silver { color: #94a3b8; } .leaderboard-rank.bronze { color: #b45309; }
.leaderboard-name { flex: 1; font-weight: 600; }
.leaderboard-stats { display: flex; gap: 16px; } .leaderboard-stats span { font-size: 0.85rem; color: var(--text-light); }

/* Modal */
.modal { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.5); display: flex; align-items: center; justify-content: center; z-index: 200; padding: 20px; }
.modal-content { background: var(--card); border-radius: 16px; padding: 32px; max-width: 500px; width: 100%; max-height: 80vh; overflow-y: auto; position: relative; }
.modal-close { position: absolute; top: 12px; right: 16px; font-size: 1.5rem; cursor: pointer; color: var(--text-light); }

/* Admin */
.section-title { font-size: 1.2rem; font-weight: 700; margin: 24px 0 12px; padding-bottom: 8px; border-bottom: 2px solid var(--border); }
.action-btns { display: flex; gap: 6px; }

/* Date Picker */
.date-picker { display: flex; align-items: center; gap: 12px; margin-bottom: 20px; }
.date-picker input { padding: 8px 12px; border: 2px solid var(--border); border-radius: 8px; font-size: 1rem; }

/* Responsive */
@media (max-width: 768px) {
  .nav-toggle { display: block; } .nav-user { display: none; }
  .nav-links { display: none; flex-direction: column; padding: 12px; }
  .nav-links.open { display: flex; } .nav-links a { padding: 12px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .chore-item { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 480px) { .stats-grid { grid-template-columns: 1fr; } }

/* Print */
@media print {
  .navbar, .nav-links, .nav-toggle, .btn { display: none !important; }
  .container { max-width: 100%; } body { background: #fff; }
}

/* ===== AI Chat Widget ===== */
.chat-fab {
  position: fixed; bottom: 24px; right: 24px;
  width: 60px; height: 60px; border-radius: 50%;
  background: var(--primary); color: #fff; border: none;
  font-size: 1.8rem; cursor: pointer;
  box-shadow: 0 4px 16px rgba(79,70,229,0.4);
  display: none; align-items: center; justify-content: center;
  transition: transform 0.2s, box-shadow 0.2s;
  z-index: 999;
}
.chat-fab:hover { transform: scale(1.1); box-shadow: 0 6px 24px rgba(79,70,229,0.5); }

.chat-widget {
  position: fixed; bottom: 24px; right: 24px;
  width: 380px; max-width: calc(100vw - 48px);
  background: #fff; border-radius: 16px;
  box-shadow: 0 8px 40px rgba(0,0,0,0.2);
  display: none; flex-direction: column;
  z-index: 998; overflow: hidden;
  border: 1px solid var(--border);
}
.chat-header {
  background: var(--primary); color: #fff;
  padding: 12px 16px; cursor: pointer;
  display: flex; justify-content: space-between; align-items: center;
  font-weight: 700; font-size: 0.95rem;
}
.chat-header:hover { background: var(--primary-dark); }
.chat-body { display: flex; flex-direction: column; height: 420px; }
.chat-messages {
  flex: 1; overflow-y: auto; padding: 16px;
  display: flex; flex-direction: column; gap: 8px;
  background: #f8fafc;
}
.chat-bubble {
  max-width: 85%; padding: 10px 14px; border-radius: 14px;
  font-size: 0.9rem; line-height: 1.5; word-wrap: break-word;
}
.chat-bubble.user {
  align-self: flex-end;
  background: var(--primary); color: #fff;
  border-bottom-right-radius: 4px;
}
.chat-bubble.ai {
  align-self: flex-start;
  background: #e2e8f0; color: var(--text);
  border-bottom-left-radius: 4px;
}
.chat-bubble.ai.error {
  background: #fecaca; color: #991b1b;
}
.chat-input-row {
  display: flex; gap: 8px; padding: 12px;
  border-top: 1px solid var(--border);
  background: #fff;
}
.chat-input {
  flex: 1; padding: 10px 14px; border: 2px solid var(--border);
  border-radius: 24px; font-size: 0.9rem; outline: none;
  transition: border-color 0.2s;
}
.chat-input:focus { border-color: var(--primary); }
.chat-input-row .btn-sm { border-radius: 24px; padding: 10px 18px; }

/* ===== KIOSK MODE (TV Display) ===== */
.kiosk-mode {
  min-height: 100vh;
  background: linear-gradient(135deg, #0f0c29 0%, #302b63 50%, #24243e 100%);
  color: #fff;
  padding: 0;
}

/* Kiosk Header */
.kiosk-header {
  text-align: center;
  padding: 30px 20px 20px;
}
.kiosk-title {
  font-size: 3.5rem;
  font-weight: 900;
  background: linear-gradient(90deg, #f9d423, #ff4e50, #f9d423);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: kioskShimmer 3s linear infinite;
  text-shadow: none;
  letter-spacing: 2px;
}
@keyframes kioskShimmer {
  0% { background-position: 0% center; }
  100% { background-position: 200% center; }
}
.kiosk-date {
  font-size: 1.8rem;
  opacity: 0.85;
  margin-top: 4px;
  font-weight: 300;
}
.kiosk-time {
  font-size: 4.5rem;
  font-weight: 800;
  letter-spacing: 4px;
  margin-top: 8px;
  text-shadow: 0 0 30px rgba(255,255,255,0.3);
}

/* Kiosk Stats Bar */
.kiosk-stats-bar {
  display: flex;
  justify-content: center;
  gap: 40px;
  padding: 20px;
  margin: 0 40px;
}
.kiosk-stat {
  text-align: center;
  padding: 16px 32px;
  background: rgba(255,255,255,0.08);
  border-radius: 16px;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.12);
  min-width: 160px;
}
.kiosk-stat-value {
  font-size: 3rem;
  font-weight: 900;
  line-height: 1;
}
.kiosk-stat-value.green { color: #4ade80; }
.kiosk-stat-value.yellow { color: #facc15; }
.kiosk-stat-value.blue { color: #60a5fa; }
.kiosk-stat-label {
  font-size: 1rem;
  opacity: 0.7;
  margin-top: 6px;
  text-transform: uppercase;
  letter-spacing: 2px;
  font-weight: 600;
}

/* Kiosk Chore Grid */
.kiosk-grid-wrap {
  margin: 20px 40px;
  border-radius: 20px;
  overflow: hidden;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  backdrop-filter: blur(10px);
}
.kiosk-grid {
  width: 100%;
  border-collapse: collapse;
}
.kiosk-grid thead th {
  padding: 20px 12px;
  font-size: 1.2rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  background: rgba(255,255,255,0.1);
  border-bottom: 2px solid rgba(255,255,255,0.15);
}
.kiosk-grid thead th:first-child {
  text-align: left;
  padding-left: 30px;
  width: 200px;
}
.kiosk-grid tbody td {
  padding: 14px 12px;
  text-align: center;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  font-size: 2.2rem;
  transition: background 0.3s;
}
.kiosk-grid tbody td:first-child {
  text-align: left;
  padding-left: 30px;
  font-size: 1.3rem;
  font-weight: 700;
  color: rgba(255,255,255,0.9);
}
.kiosk-grid tbody tr:hover {
  background: rgba(255,255,255,0.05);
}
.kiosk-grid tbody tr:last-child td {
  border-bottom: none;
}

/* Kiosk Footer Row (Leaderboard + Progress) */
.kiosk-footer {
  display: flex;
  gap: 30px;
  margin: 20px 40px 40px;
  min-height: 250px;
}
.kiosk-leaderboard {
  flex: 2;
  background: rgba(255,255,255,0.06);
  border-radius: 20px;
  padding: 24px;
  border: 1px solid rgba(255,255,255,0.1);
  backdrop-filter: blur(10px);
}
.kiosk-lb-title {
  font-size: 1.6rem;
  font-weight: 800;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.kiosk-lb-row {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 12px 16px;
  border-radius: 12px;
  margin-bottom: 8px;
  transition: all 0.3s;
  background: rgba(255,255,255,0.04);
}
.kiosk-lb-row.top3 {
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.15);
}
.kiosk-lb-rank {
  font-size: 2rem;
  width: 50px;
  text-align: center;
  font-weight: 900;
}
.kiosk-lb-name {
  flex: 1;
  font-size: 1.3rem;
  font-weight: 600;
}
.kiosk-lb-points {
  font-size: 1.4rem;
  font-weight: 800;
  color: #facc15;
}
.kiosk-lb-bar-wrap {
  width: 120px;
  height: 10px;
  background: rgba(255,255,255,0.1);
  border-radius: 5px;
  overflow: hidden;
}
.kiosk-lb-bar {
  height: 100%;
  background: linear-gradient(90deg, #4ade80, #22d3ee);
  border-radius: 5px;
  transition: width 0.5s ease;
}

/* Kiosk Progress Panel */
.kiosk-progress {
  flex: 1;
  background: rgba(255,255,255,0.06);
  border-radius: 20px;
  padding: 24px;
  border: 1px solid rgba(255,255,255,0.1);
  backdrop-filter: blur(10px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}
.kiosk-progress-title {
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 20px;
}
.kiosk-ring {
  width: 180px;
  height: 180px;
  position: relative;
  margin-bottom: 20px;
}
.kiosk-ring svg {
  width: 100%;
  height: 100%;
  transform: rotate(-90deg);
}
.kiosk-ring-bg {
  fill: none;
  stroke: rgba(255,255,255,0.1);
  stroke-width: 12;
}
.kiosk-ring-fill {
  fill: none;
  stroke: url(#kioskGradient);
  stroke-width: 12;
  stroke-linecap: round;
  transition: stroke-dashoffset 1s ease;
}
.kiosk-ring-text {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-size: 2.5rem;
  font-weight: 900;
}
.kiosk-ring-label {
  font-size: 1rem;
  opacity: 0.6;
  text-transform: uppercase;
  letter-spacing: 2px;
}
.kiosk-motivation {
  margin-top: 20px;
  font-size: 1.1rem;
  padding: 12px 20px;
  background: rgba(255,255,255,0.08);
  border-radius: 12px;
  font-style: italic;
  border: 1px solid rgba(255,255,255,0.1);
}

/* Kiosk Pulse animation for new completions */
@keyframes kioskPulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.3); }
  100% { transform: scale(1); }
}
.kiosk-cell-new {
  animation: kioskPulse 0.6s ease;
}

/* Kiosk Refresh Badge */
.kiosk-refresh {
  text-align: center;
  padding: 12px;
  font-size: 0.9rem;
  opacity: 0.5;
  letter-spacing: 1px;
}

/* Kiosk Exit Button */
.kiosk-exit-btn {
  position: fixed;
  top: 20px;
  right: 20px;
  padding: 10px 20px;
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 10px;
  color: #fff;
  font-size: 1rem;
  cursor: pointer;
  z-index: 999;
  backdrop-filter: blur(10px);
  transition: all 0.3s;
}
.kiosk-exit-btn:hover {
  background: rgba(255,255,255,0.3);
}

/* Per-child progress bars */
.kiosk-child-progress {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin-top: 16px;
}
.kiosk-child-pill {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  background: rgba(255,255,255,0.08);
  border-radius: 24px;
  font-size: 0.95rem;
  border: 1px solid rgba(255,255,255,0.1);
}
.kiosk-child-pill .pill-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
}
.kiosk-child-pill .pill-dot.green { background: #4ade80; }
.kiosk-child-pill .pill-dot.yellow { background: #facc15; }
.kiosk-child-pill .pill-dot.red { background: #f87171; }
.kiosk-child-pill .pill-dot.gray { background: #94a3b8; }

/* Category grouping in grid */
.kiosk-cat-row td {
  background: rgba(255,255,255,0.03);
  font-weight: 800 !important;
  font-size: 1.1rem !important;
  color: #a78bfa !important;
  text-transform: uppercase;
  letter-spacing: 2px;
  padding: 10px 30px !important;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  border-top: 1px solid rgba(255,255,255,0.08);
}

/* Print styles for kiosk */
@media print {
  .kiosk-exit-btn { display: none !important; }
}

/* --- Multi-tenant auth UI --- */
.role-toggle { display:flex; gap:16px; justify-content:center; margin:0 0 14px; font-size:14px; color:#475569; }
.role-toggle label { display:inline-flex; align-items:center; gap:6px; cursor:pointer; }
.auth-hint { font-size:12px; color:#64748b; text-align:center; margin-top:10px; line-height:1.5; }
.auth-hint a { color:#4f46e5; text-decoration:none; }
.auth-hint a:hover { text-decoration:underline; }
.auth-tabs .auth-tab { flex:1; }
.family-code-chip {
  display:inline-flex; align-items:center; gap:4px; cursor:pointer;
  background:rgba(255,255,255,0.18); color:#fff; border:1px solid rgba(255,255,255,0.35);
  padding:3px 10px; border-radius:999px; font-size:12px; font-weight:600; letter-spacing:.2px;
  margin-right:6px; transition:background .15s;
}
.family-code-chip:hover { background:rgba(255,255,255,0.32); }