/* =========================================================================
   KRISHNA BALRAM ART ACADEMY (KBAA / KB SEVA) - RESPONSIVE DESKTOP & MOBILE UI
   Supports Multiple Themes: Royal Blue (default), Vrindavan Saffron, Peacock Green
   ========================================================================= */
:root, [data-theme="blue"] {
  --primary: #1d4ed8;
  --primary-dark: #1e3a8a;
  --primary-light: #dbeafe;
  --accent: #eab308;
  --bg: #f1f5f9;
  --card-bg: #ffffff;
  --text: #0f172a;
  --muted: #475569;
  --border: #cbd5e1;
}

[data-theme="saffron"] {
  --primary: #ea580c;
  --primary-dark: #9a3412;
  --primary-light: #ffedd5;
  --accent: #facc15;
  --bg: #fffbeb;
  --card-bg: #ffffff;
  --text: #292524;
  --muted: #57534e;
  --border: #fed7aa;
}

[data-theme="peacock"] {
  --primary: #0d9488;
  --primary-dark: #115e59;
  --primary-light: #ccfbf1;
  --accent: #f59e0b;
  --bg: #f0fdfa;
  --card-bg: #ffffff;
  --text: #0f172a;
  --muted: #475569;
  --border: #99f6e4;
}

[data-theme="royal_dark"] {
  --primary: #3b82f6;
  --primary-dark: #1d4ed8;
  --primary-light: #1e293b;
  --accent: #facc15;
  --bg: #0f172a;
  --card-bg: #1e293b;
  --text: #f8fafc;
  --muted: #94a3b8;
  --border: #334155;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Noto Sans Devanagari", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  padding-bottom: 85px;
}

/* Header Bar */
.top-header {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  color: #fff;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.12);
  position: sticky;
  top: 0;
  z-index: 100;
}
.brand-box {
  display: flex;
  align-items: center;
  gap: 12px;
}
.brand-logo {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  border: 2px solid var(--accent);
  background: #fff;
}
.brand-title h1 {
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: 0.2px;
}
.brand-title .short-badge {
  display: inline-block;
  background: var(--accent);
  color: #0f172a;
  font-weight: 800;
  font-size: 0.75rem;
  padding: 2px 8px;
  border-radius: 99px;
  margin-top: 2px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.theme-pill, .btn-top {
  background: rgba(255,255,255,0.16);
  color: #fff;
  border: 1px solid rgba(255,255,255,0.3);
  padding: 6px 12px;
  border-radius: 8px;
  font-size: 0.85rem;
  cursor: pointer;
  text-decoration: none;
  font-weight: 600;
}
.theme-pill option { color: #000; }

/* Main Layout */
.app-container {
  max-width: 1280px;
  margin: 18px auto;
  padding: 0 14px;
}

/* BIG MOBILE ICON LAUNCHER GRID ("मोबाइल में बड़े-बड़े आइकन भी चाहिए होंगे") */
.big-icon-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(155px, 1fr));
  gap: 14px;
  margin-bottom: 24px;
}
.big-icon-card {
  background: var(--card-bg);
  border: 2px solid var(--border);
  border-radius: 18px;
  padding: 18px 12px;
  text-align: center;
  text-decoration: none;
  color: var(--text);
  box-shadow: 0 4px 10px rgba(0,0,0,0.04);
  transition: transform 0.15s ease, border-color 0.15s ease;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 138px;
}
.big-icon-card:hover, .big-icon-card.active {
  transform: translateY(-3px);
  border-color: var(--primary);
  background: var(--primary-light);
}
.big-icon-card .icon-circle {
  width: 62px;
  height: 62px;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  font-size: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 10px;
  box-shadow: 0 4px 10px rgba(29,78,216,0.25);
}
.big-icon-card .icon-title {
  font-weight: 800;
  font-size: 0.98rem;
  line-height: 1.25;
}
.big-icon-card .icon-sub {
  font-size: 0.75rem;
  color: var(--muted);
  margin-top: 4px;
}

/* Cards, Forms & Tables */
.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px;
  margin-bottom: 18px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.03);
}
.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  border-bottom: 2px solid var(--primary-light);
  padding-bottom: 10px;
  margin-bottom: 14px;
}
.card-header h2 {
  font-size: 1.15rem;
  color: var(--primary-dark);
}
[data-theme="royal_dark"] .card-header h2 { color: #93c5fd; }

.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 18px; }
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 14px; }
.grid-4 { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 14px; }

.stat-box {
  background: var(--primary-light);
  border-left: 5px solid var(--primary);
  padding: 14px;
  border-radius: 10px;
}
.stat-box .stat-label { font-size: 0.8rem; color: var(--muted); font-weight: 700; text-transform: uppercase; }
.stat-box .stat-value { font-size: 1.45rem; font-weight: 800; color: var(--primary-dark); margin-top: 4px; }
[data-theme="royal_dark"] .stat-box .stat-value { color: #fff; }

.form-group { margin-bottom: 12px; }
.form-group label { display: block; font-size: 0.85rem; font-weight: 700; margin-bottom: 4px; }
.form-control {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.95rem;
  background: var(--card-bg);
  color: var(--text);
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 10px 16px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 0.92rem;
  border: none;
  cursor: pointer;
  text-decoration: none;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-accent { background: var(--accent); color: #0f172a; }
.btn-outline { background: transparent; border: 1px solid var(--primary); color: var(--primary); }

.table-responsive { overflow-x: auto; }
table.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}
table.data-table th, table.data-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: middle;
}
table.data-table th {
  background: var(--primary-light);
  color: var(--primary-dark);
  font-weight: 800;
}
[data-theme="royal_dark"] table.data-table th { color: #fff; }

.thumb-img {
  width: 56px;
  height: 44px;
  object-fit: cover;
  border-radius: 6px;
  border: 1px solid var(--border);
}

.badge {
  display: inline-block;
  padding: 3px 9px;
  border-radius: 99px;
  font-size: 0.75rem;
  font-weight: 700;
  background: var(--primary-light);
  color: var(--primary-dark);
}

/* Barcode Sticker Grid for Printing */
.sticker-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 14px;
}
.barcode-sticker {
  border: 2px dashed #334155;
  border-radius: 10px;
  padding: 12px;
  text-align: center;
  background: #fff;
  color: #000;
}
.barcode-sticker .org-tag {
  font-size: 0.72rem;
  font-weight: 800;
  color: #1e3a8a;
  text-transform: uppercase;
}
.barcode-sticker .item-title {
  font-size: 0.9rem;
  font-weight: 800;
  margin: 4px 0;
}
.barcode-sticker .price-tag {
  font-size: 1.1rem;
  font-weight: 900;
  color: #b91c1c;
  margin-bottom: 4px;
}

/* Bottom Mobile Navigation Bar */
.mobile-bottom-nav {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--card-bg);
  border-top: 2px solid var(--border);
  display: flex;
  justify-content: space-around;
  padding: 6px 4px;
  z-index: 99;
  box-shadow: 0 -2px 10px rgba(0,0,0,0.08);
}
.mobile-bottom-nav a {
  text-decoration: none;
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 700;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
}
.mobile-bottom-nav a.active { color: var(--primary); }
.mobile-bottom-nav .nav-emoji { font-size: 1.35rem; }

@media print {
  .top-header, .big-icon-grid, .mobile-bottom-nav, .no-print { display: none !important; }
  body { background: #fff; padding: 0; }
  .card { border: none; box-shadow: none; }
}