/* ============================================================
   style.css — MenuCliq Seating Management v5
   Aesthetic: Dark Navy + Warm Gold — Glassmorphism
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;600;700&family=DM+Sans:wght@300;400;500;600;700&display=swap');

/* ── VARIABLES ─────────────────────────────────────────────── */
:root {
  --navy:        #0a1628;
  --navy-mid:    #0f2035;
  --navy-light:  #1a3050;
  --navy-card:   rgba(15,32,53,.75);
  --gold:        #c9952a;
  --gold-light:  #e8b84b;
  --gold-pale:   #f5e6c0;
  --gold-glow:   rgba(201,149,42,.35);
  --cream:       #fdf6e3;
  --text-main:   #e8e0d4;
  --text-muted:  #7a8fa3;
  --danger:      #e05353;
  --success:     #4caf7d;
  --info:        #5b9bd5;
  --border:      rgba(201,149,42,.18);
  --border-glow: rgba(201,149,42,.35);
  --glass:       rgba(15,32,53,.55);
  --glass-border:rgba(201,149,42,.12);
  --shadow-card: 0 8px 32px rgba(0,0,0,.5), 0 0 0 1px rgba(201,149,42,.08);
  --shadow-soft: 0 4px 16px rgba(0,0,0,.3);
  --shadow-glow: 0 0 30px rgba(201,149,42,.15);
  --radius:      14px;
  --radius-lg:   20px;
  --radius-sm:   8px;
  --radius-xs:   5px;
  --transition:  all 0.28s cubic-bezier(0.4,0,0.2,1);
  --font-body:   'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-display:'Playfair Display', Georgia, serif;
}

/* ── RESET ─────────────────────────────────────────────────── */
*,*::before,*::after { box-sizing:border-box; margin:0; padding:0; }
html { scroll-behavior:smooth; -webkit-font-smoothing:antialiased; }
body {
  font-family: var(--font-body);
  background: var(--navy);
  color: var(--text-main);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-image:
    radial-gradient(ellipse at 15% 5%, rgba(201,149,42,.06) 0%, transparent 50%),
    radial-gradient(ellipse at 85% 95%, rgba(91,155,213,.04) 0%, transparent 50%),
    radial-gradient(ellipse at 50% 50%, rgba(15,32,53,1) 0%, var(--navy) 100%);
  line-height: 1.6;
}

/* ── SCROLLBAR ─────────────────────────────────────────────── */
::-webkit-scrollbar { width:6px; height:6px; }
::-webkit-scrollbar-track { background:transparent; }
::-webkit-scrollbar-thumb { background:rgba(201,149,42,.3); border-radius:3px; }
::-webkit-scrollbar-thumb:hover { background:var(--gold); }

/* ── HEADER ────────────────────────────────────────────────── */
header {
  background: rgba(10,22,40,.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--glass-border);
  padding: 0 32px;
  position: sticky; top: 0; z-index: 100;
  box-shadow: 0 4px 30px rgba(0,0,0,.4);
}
.header-brand {
  display: flex; align-items: center; gap: 12px;
  padding: 16px 0 10px;
}
header h1 {
  font-family: var(--font-display);
  font-size: 1.45rem; font-weight: 700;
  background: linear-gradient(135deg, var(--gold-light), var(--gold-pale));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text;
}
.header-badge {
  font-size: .72rem; font-weight: 600;
  color: var(--gold); opacity: .7;
  padding: 2px 10px;
  border: 1px solid var(--border);
  border-radius: 20px;
}

/* ── NAV TABS ──────────────────────────────────────────────── */
.nav-tabs {
  display: flex; gap: 4px;
  padding-bottom: 0;
  overflow-x: auto;
  -ms-overflow-style: none;
  scrollbar-width: none;
}
.nav-tabs::-webkit-scrollbar { display: none; }
.nav-tab {
  display: flex; align-items: center; gap: 6px;
  font-family: var(--font-body);
  font-size: .78rem; font-weight: 600;
  letter-spacing: .04em; text-transform: uppercase;
  padding: 10px 18px;
  border: none; border-bottom: 2px solid transparent;
  border-radius: var(--radius-xs) var(--radius-xs) 0 0;
  background: transparent;
  color: var(--text-muted);
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
  position: relative;
}
.nav-tab svg { opacity: .6; transition: opacity .2s; }
.nav-tab:hover { color: var(--gold-light); background: rgba(201,149,42,.05); }
.nav-tab:hover svg { opacity: 1; }
.nav-tab.active {
  color: var(--gold-light);
  border-bottom-color: var(--gold);
  background: rgba(201,149,42,.08);
}
.nav-tab.active svg { opacity: 1; }

/* ── MAIN ──────────────────────────────────────────────────── */
main {
  flex: 1; padding: 28px 32px; max-width: 1340px; margin: 0 auto; width: 100%;
}

/* ── TAB PANELS ────────────────────────────────────────────── */
.tab-panel { animation: fadeSlideUp .35s ease both; }
.tab-panel.hidden { display: none !important; }

.panel-header {
  display: flex; align-items: flex-start; justify-content: space-between;
  flex-wrap: wrap; gap: 16px; margin-bottom: 24px;
}
.panel-header h2 {
  font-family: var(--font-display);
  font-size: 1.35rem; font-weight: 700;
  color: var(--cream);
}
.subtitle {
  font-size: .82rem; color: var(--text-muted);
  margin-top: 4px;
}
.header-actions {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
}

/* ── SECTION SELECT DROPDOWN ───────────────────────────────── */
.section-select {
  background: var(--navy-mid);
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-family: var(--font-body); font-size: .84rem;
  padding: 9px 14px;
  min-width: 200px;
  cursor: pointer;
  transition: var(--transition);
}
.section-select:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(201,149,42,.12);
  outline: none;
}
.section-select option { background: var(--navy-mid); }

/* ── BUTTONS ───────────────────────────────────────────────── */
.btn-primary {
  display: inline-flex; align-items: center; gap: 6px;
  background: linear-gradient(135deg, var(--gold) 0%, var(--gold-light) 100%);
  color: var(--navy);
  font-family: var(--font-body); font-size: .8rem; font-weight: 700;
  letter-spacing: .05em; text-transform: uppercase;
  border: none; border-radius: var(--radius-sm);
  padding: 10px 20px; cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 4px 15px rgba(201,149,42,.3);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 6px 24px rgba(201,149,42,.45); }
.btn-primary:disabled { background: var(--navy-light); color: var(--text-muted); box-shadow: none; cursor: not-allowed; transform: none; }

.btn-secondary {
  display: inline-flex; align-items: center; gap: 6px;
  background: rgba(201,149,42,.08);
  color: var(--gold-light);
  font-family: var(--font-body); font-size: .78rem; font-weight: 600;
  letter-spacing: .04em; text-transform: uppercase;
  border: 1.5px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 9px 16px; cursor: pointer;
  transition: var(--transition);
}
.btn-secondary:hover { border-color: var(--gold); background: rgba(201,149,42,.12); }
.btn-secondary:disabled { opacity: .4; cursor: not-allowed; }

.btn-danger {
  display: inline-flex; align-items: center; gap: 6px;
  background: linear-gradient(135deg, #b03025, #e74c3c);
  color: #fff;
  font-family: var(--font-body); font-size: .78rem; font-weight: 700;
  letter-spacing: .04em; text-transform: uppercase;
  border: none; border-radius: var(--radius-sm);
  padding: 9px 18px; cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 4px 14px rgba(231,76,60,.25);
}
.btn-danger:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(231,76,60,.4); }
.btn-danger:disabled { opacity: .4; cursor: not-allowed; transform: none; }

.btn-icon {
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  background: var(--glass);
  border: 1px solid var(--border);
  border-radius: var(--radius-xs);
  color: var(--gold-light); font-size: 1.1rem;
  cursor: pointer; transition: var(--transition);
}
.btn-icon:hover { background: rgba(201,149,42,.12); border-color: var(--gold); }

.btn-sm {
  font-size: .7rem !important; padding: 5px 10px !important;
  letter-spacing: .03em !important;
}

/* ── FORM INPUTS ───────────────────────────────────────────── */
.form-group { margin-bottom: 16px; }
.form-group label {
  display: block; font-size: .72rem; font-weight: 600;
  color: var(--text-muted); letter-spacing: .06em; text-transform: uppercase;
  margin-bottom: 6px;
}
.form-group label .required { color: var(--danger); }
.form-group small { display: block; font-size: .7rem; color: var(--text-muted); margin-top: 4px; opacity: .7; }
.form-row { display: flex; gap: 16px; }
.form-row .form-group { flex: 1; }

input[type="text"], input[type="number"], select, textarea {
  background: var(--navy);
  border: 1.5px solid rgba(122,143,163,.2);
  border-radius: var(--radius-sm);
  color: var(--text-main);
  font-family: var(--font-body); font-size: .86rem;
  padding: 10px 14px; width: 100%;
  transition: var(--transition); outline: none;
}
input:focus, select:focus, textarea:focus {
  border-color: var(--gold);
  box-shadow: 0 0 0 3px rgba(201,149,42,.12);
}
input::placeholder, textarea::placeholder { color: rgba(122,143,163,.4); }
textarea { resize: vertical; line-height: 1.55; }
input[type="color"] {
  width: 48px; height: 40px; padding: 3px;
  border: 1.5px solid var(--border); border-radius: var(--radius-sm);
  cursor: pointer; background: var(--navy);
}
input[type="checkbox"], input[type="radio"] {
  width: 16px; height: 16px; accent-color: var(--gold); cursor: pointer;
}

/* ── SHAPE PICKER ──────────────────────────────────────────── */
.shape-picker { display: flex; gap: 10px; }
.shape-option {
  display: flex; flex-direction: column; align-items: center; gap: 6px;
  padding: 12px 16px; border-radius: var(--radius-sm);
  border: 2px solid var(--border);
  background: rgba(10,22,40,.5);
  cursor: pointer; transition: var(--transition);
  min-width: 80px;
}
.shape-option:hover { border-color: var(--gold); }
.shape-option.active { border-color: var(--gold); background: rgba(201,149,42,.1); }
.shape-option span { font-size: .72rem; font-weight: 600; color: var(--text-muted); text-transform: uppercase; letter-spacing: .04em; }
.shape-option.active span { color: var(--gold-light); }

.shape-icon { transition: var(--transition); }
.shape-square { width: 28px; height: 28px; border: 2px solid var(--gold); border-radius: 4px; }
.shape-round { width: 28px; height: 28px; border: 2px solid var(--gold); border-radius: 50%; }
.shape-rectangle { width: 40px; height: 24px; border: 2px solid var(--gold); border-radius: 4px; }

/* ── INFO NOTE ─────────────────────────────────────────────── */
.info-note {
  display: flex; align-items: center; gap: 8px;
  font-size: .78rem; color: var(--info);
  background: rgba(91,155,213,.06);
  border: 1px solid rgba(91,155,213,.15);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
}

/* ── EMPTY STATE ───────────────────────────────────────────── */
.empty-state {
  text-align: center; padding: 60px 20px;
  animation: fadeSlideUp .4s ease both;
}
.empty-state.hidden { display: none !important; }
.empty-icon { font-size: 3rem; margin-bottom: 16px; opacity: .6; }
.empty-state h3 {
  font-family: var(--font-display);
  font-size: 1.15rem; color: var(--cream); margin-bottom: 8px;
}
.empty-state p { font-size: .84rem; color: var(--text-muted); max-width: 400px; margin: 0 auto; }

/* ── SECTIONS GRID ─────────────────────────────────────────── */
.sections-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 18px;
}
.section-card {
  background: var(--glass);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 0; overflow: hidden;
  transition: var(--transition);
  position: relative;
  box-shadow: var(--shadow-soft);
}
.section-card:hover {
  border-color: var(--border-glow);
  box-shadow: var(--shadow-card), var(--shadow-glow);
  transform: translateY(-3px);
}
.section-card-header {
  padding: 18px 20px 14px;
  display: flex; align-items: flex-start; justify-content: space-between; gap: 10px;
  border-bottom: 1px solid rgba(201,149,42,.08);
}
.section-card-icon {
  width: 40px; height: 40px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem;
  background: linear-gradient(135deg, rgba(201,149,42,.15), rgba(201,149,42,.05));
  border: 1px solid var(--border);
  flex-shrink: 0;
}
.section-card-info { flex: 1; min-width: 0; }
.section-card-name {
  font-family: var(--font-display);
  font-size: 1.02rem; font-weight: 600; color: var(--cream);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.section-card-type {
  font-size: .72rem; color: var(--text-muted); text-transform: uppercase;
  letter-spacing: .06em; margin-top: 2px;
}
.section-card-actions { display: flex; gap: 6px; }
.section-card-actions button {
  width: 30px; height: 30px;
  display: flex; align-items: center; justify-content: center;
  background: transparent; border: 1px solid var(--border); border-radius: 6px;
  color: var(--text-muted); font-size: .8rem; cursor: pointer;
  transition: var(--transition);
}
.section-card-actions button:hover { border-color: var(--gold); color: var(--gold-light); background: rgba(201,149,42,.08); }
.section-card-actions button.delete-btn:hover { border-color: var(--danger); color: var(--danger); background: rgba(224,83,83,.08); }

.section-card-body { padding: 14px 20px 18px; }
.section-card-stats {
  display: flex; gap: 20px; flex-wrap: wrap;
}
.section-stat {
  display: flex; flex-direction: column;
}
.section-stat-val {
  font-size: 1.15rem; font-weight: 700; color: var(--gold-light);
}
.section-stat-label {
  font-size: .68rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: .05em;
}
.section-badge {
  display: inline-block; font-size: .65rem; font-weight: 600;
  padding: 3px 8px; border-radius: 12px;
  text-transform: uppercase; letter-spacing: .05em;
}
.badge-active { background: rgba(76,175,125,.15); color: var(--success); border: 1px solid rgba(76,175,125,.3); }
.badge-inactive { background: rgba(224,83,83,.1); color: var(--danger); border: 1px solid rgba(224,83,83,.2); }
.badge-prefix {
  background: rgba(201,149,42,.1); color: var(--gold-light);
  border: 1px solid var(--border); font-size: .7rem;
  padding: 2px 8px; border-radius: 10px;
}

/* ── TABLE TOOLBAR ──────────────────────────────────────────── */
.table-toolbar {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  background: var(--glass); border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm); padding: 10px 16px; margin-bottom: 14px;
}
.table-cb-wrap {
  position: absolute; top: 6px; left: 6px; z-index: 10; cursor: pointer;
  background: rgba(10,22,40,.6); border-radius: 4px; padding: 2px;
}
.table-cb-wrap input { width: 15px; height: 15px; }

/* ── TABLE GRID ────────────────────────────────────────────── */
.table-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(145px, 1fr));
  gap: 14px;
}
.table-card {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  padding: 14px 10px 12px; text-align: center;
  transition: var(--transition);
  position: relative;
  cursor: pointer;
}
.table-card:hover {
  border-color: var(--gold);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(201,149,42,.15);
}
.table-card.merged { border-color: var(--info); box-shadow: 0 0 12px rgba(91,155,213,.2); }
.table-card.inactive { opacity: .45; }

.table-card-shape {
  width: 48px; height: 48px; margin: 0 auto 8px;
  display: flex; align-items: center; justify-content: center;
  position: relative;
}
.table-card-shape .tbl-shape {
  border: 2px solid var(--gold);
  transition: var(--transition);
}
.table-card:hover .tbl-shape { border-color: var(--gold-light); box-shadow: 0 0 10px var(--gold-glow); }
.tbl-square { width: 36px; height: 36px; border-radius: 5px; }
.tbl-round { width: 38px; height: 38px; border-radius: 50%; }
.tbl-rectangle { width: 46px; height: 30px; border-radius: 5px; }

.table-card-label {
  font-size: .78rem; font-weight: 700; color: var(--gold-pale);
  letter-spacing: .04em;
}
.table-card-cap {
  font-size: .66rem; color: var(--text-muted); margin-top: 2px;
}
.table-card-status {
  position: absolute; top: 6px; right: 6px;
  width: 8px; height: 8px; border-radius: 50%;
}
.status-available { background: var(--success); box-shadow: 0 0 6px rgba(76,175,125,.4); }
.status-occupied { background: var(--danger); box-shadow: 0 0 6px rgba(224,83,83,.4); }
.status-reserved { background: var(--info); box-shadow: 0 0 6px rgba(91,155,213,.4); }
.status-merged { background: #a855f7; box-shadow: 0 0 6px rgba(168,85,247,.4); }

.table-edit-overlay {
  position: absolute; inset: 0; background: rgba(10,22,40,.88);
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px;
  border-radius: inherit; opacity: 0; transition: opacity .2s;
}
.table-card:hover .table-edit-overlay { opacity: 1; }

/* ── 3D VISUALIZATION (Three.js) ────────────────────────────── */
.viz-container {
  width: 100%; min-height: 550px;
  overflow: hidden;
  border-radius: var(--radius);
  background: #0a1628;
  border: 1px solid var(--glass-border);
  position: relative;
}
.viz-controls { display: flex; gap: 4px; }
#vizCanvas {
  width: 100% !important;
  height: 100% !important;
  min-height: 550px;
  display: block;
  border-radius: var(--radius);
}
.viz-info-popup {
  position: absolute; bottom: 16px; left: 16px;
  background: rgba(10,22,40,.9); backdrop-filter: blur(10px);
  border: 1px solid var(--border); border-radius: 10px;
  padding: 10px 16px; font-size: .82rem; color: var(--gold-light);
  display: none; pointer-events: none;
  box-shadow: 0 8px 24px rgba(0,0,0,.4);
}
/* ── QR SECTION ────────────────────────────────────────────── */
.qr-toolbar {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 12px;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  padding: 12px 18px; margin-bottom: 18px;
}
.select-all-label {
  display: flex; align-items: center; gap: 8px;
  font-size: .82rem; font-weight: 500; color: var(--text-muted); cursor: pointer;
}
.qr-size-control {
  display: flex; align-items: center; gap: 8px;
  font-size: .78rem; color: var(--text-muted);
}
.qr-size-control select { width: auto; min-width: 110px; padding: 6px 10px; font-size: .78rem; }
.qr-size-control input { font-size: .78rem; padding: 6px 8px; }

.qr-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 16px;
}
.qr-card {
  border: 1px solid var(--glass-border); border-radius: var(--radius-sm);
  overflow: hidden; background: var(--navy-mid);
  transition: transform .3s cubic-bezier(.34,1.56,.64,1), box-shadow .3s;
  position: relative;
}
.qr-card img { width: 100%; height: auto; display: block; border-radius: inherit; }
.qr-card:hover { transform: translateY(-5px) scale(1.02); box-shadow: 0 16px 40px rgba(0,0,0,.5), 0 0 20px rgba(201,149,42,.15); }
.qr-cb-wrap {
  position: absolute; top: 6px; right: 8px; z-index: 10; cursor: pointer;
  background: rgba(10,22,40,.7); border-radius: 4px; padding: 3px;
}

/* ── QR CONFIG PANEL ───────────────────────────────────────── */
.qr-config-panel {
  background: var(--glass);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 24px; margin-bottom: 24px;
  animation: fadeSlideUp .3s ease both;
}
.qr-config-panel.hidden { display: none !important; }

.cust-group {
  background: rgba(10,22,40,.4);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  padding: 18px 20px; margin-bottom: 16px;
  transition: border-color .2s;
}
.cust-group:focus-within { border-color: rgba(201,149,42,.3); }
.cust-group h3 {
  font-family: var(--font-display); font-size: .9rem; color: var(--gold-light);
  margin: 0 0 12px; padding-bottom: 8px; border-bottom: 1px solid rgba(201,149,42,.1);
}

/* ── MERGE SECTION ─────────────────────────────────────────── */
.merge-groups { display: flex; flex-direction: column; gap: 14px; }
.merge-group-card {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-sm);
  padding: 16px 20px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  transition: var(--transition);
}
.merge-group-card:hover { border-color: var(--border-glow); }
.merge-group-info { flex: 1; }
.merge-group-name { font-weight: 600; color: var(--cream); margin-bottom: 4px; }
.merge-group-tables { font-size: .8rem; color: var(--text-muted); }
.merge-table-picker {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(100px, 1fr)); gap: 8px;
  max-height: 300px; overflow-y: auto; padding: 4px;
}
.merge-table-opt {
  display: flex; align-items: center; gap: 6px;
  padding: 8px 12px; border-radius: var(--radius-xs);
  border: 1.5px solid var(--border);
  background: rgba(10,22,40,.4);
  cursor: pointer; transition: var(--transition);
  font-size: .78rem; font-weight: 600; color: var(--text-muted);
}
.merge-table-opt:hover { border-color: var(--gold); color: var(--gold-light); }
.merge-table-opt.selected { border-color: var(--gold); background: rgba(201,149,42,.12); color: var(--gold-light); }
.merge-table-opt.disabled { opacity: .3; pointer-events: none; }

/* ── MODAL ─────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(5,12,25,.75);
  backdrop-filter: blur(6px);
  display: flex; align-items: center; justify-content: center;
  z-index: 999;
  animation: fadeIn .2s ease both;
  padding: 20px;
}
.modal-overlay.hidden { display: none !important; }
.modal {
  background: var(--navy-mid);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  width: 100%; max-width: 500px;
  box-shadow: 0 24px 80px rgba(0,0,0,.6), 0 0 0 1px rgba(201,149,42,.05);
  animation: modalIn .3s ease both;
  max-height: 90vh; overflow-y: auto;
}
.modal-lg { max-width: 650px; }
.modal-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 20px 24px 16px;
  border-bottom: 1px solid var(--glass-border);
}
.modal-header h3 {
  font-family: var(--font-display); font-size: 1.1rem; color: var(--cream);
}
.modal-close {
  width: 32px; height: 32px;
  display: flex; align-items: center; justify-content: center;
  background: transparent; border: 1px solid var(--border); border-radius: 8px;
  color: var(--text-muted); font-size: 1.2rem; cursor: pointer;
  transition: var(--transition);
}
.modal-close:hover { border-color: var(--danger); color: var(--danger); background: rgba(224,83,83,.08); }
.modal-body { padding: 20px 24px; }
.modal-footer {
  display: flex; justify-content: flex-end; gap: 10px;
  padding: 16px 24px; border-top: 1px solid var(--glass-border);
}

/* ── BG IMAGE PICKER ───────────────────────────────────────── */
.bg-image-grid { display: flex; flex-wrap: wrap; gap: 8px; }
.bg-img-option {
  display: inline-flex; flex-direction: column; align-items: center; gap: 4px;
  cursor: pointer; border-radius: 8px; border: 3px solid transparent;
  padding: 4px; transition: var(--transition); background: rgba(10,22,40,.4);
}
.bg-img-option:hover { border-color: var(--gold) !important; transform: translateY(-2px); }

/* ── FOOTER ────────────────────────────────────────────────── */
footer {
  text-align: center; padding: 18px 32px;
  font-size: .74rem; color: var(--text-muted);
  border-top: 1px solid var(--glass-border);
  background: rgba(10,22,40,.6);
}

/* ── SWEETALERT2 THEME ─────────────────────────────────────── */
.swal2-popup { background: var(--navy-mid) !important; color: var(--text-main) !important; border: 1px solid var(--border) !important; border-radius: var(--radius-lg) !important; font-family: var(--font-body) !important; }
.swal2-title { color: var(--gold-light) !important; font-family: var(--font-display) !important; }
.swal2-html-container { color: var(--text-muted) !important; }
.swal2-confirm { background: linear-gradient(135deg, var(--gold), var(--gold-light)) !important; color: var(--navy) !important; font-weight: 700 !important; border-radius: var(--radius-sm) !important; }

/* ── ANIMATIONS ────────────────────────────────────────────── */
@keyframes fadeSlideUp { from { opacity: 0; transform: translateY(16px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes modalIn { from { opacity: 0; transform: scale(.95) translateY(10px); } to { opacity: 1; transform: scale(1) translateY(0); } }
@keyframes pulse { 0%,100% { opacity: .4; } 50% { opacity: 1; } }

/* ── RESPONSIVE ────────────────────────────────────────────── */
@media (max-width: 900px) {
  header { padding: 0 18px; }
  main { padding: 20px 16px; }
  .panel-header { flex-direction: column; }
  .header-actions { width: 100%; flex-wrap: wrap; }
  .sections-grid { grid-template-columns: 1fr; }
  .table-grid { grid-template-columns: repeat(auto-fill, minmax(120px, 1fr)); }
  .form-row { flex-direction: column; gap: 0; }
  #vizCanvas { min-height: 400px; }
}
@media (max-width: 500px) {
  .nav-tab { padding: 8px 12px; font-size: .7rem; }
  .nav-tab svg { display: none; }
  .qr-grid { grid-template-columns: repeat(2, 1fr); }
  .shape-picker { flex-wrap: wrap; }
  .modal { margin: 10px; }
}

/* ════════════════════════════════════════════════════════════
   Branded loading overlay (tables / 3D / QR)
   ════════════════════════════════════════════════════════════ */
.mcq-loader{
  position:absolute;inset:0;z-index:40;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:18px;
  background:radial-gradient(ellipse at center,rgba(15,32,53,.92),rgba(8,18,32,.97));
  backdrop-filter:blur(3px);
  border-radius:14px;
  opacity:0;pointer-events:none;
  transition:opacity .25s ease;
}
.mcq-loader.show{opacity:1;pointer-events:all;}
.mcq-loader-ring{
  width:54px;height:54px;border-radius:50%;
  border:3px solid rgba(201,149,42,.15);
  border-top-color:var(--gold-light);
  border-right-color:var(--gold);
  animation:mcqSpin .9s cubic-bezier(.5,.15,.5,.85) infinite;
  box-shadow:0 0 18px var(--gold-glow);
}
@keyframes mcqSpin{to{transform:rotate(360deg);}}
.mcq-loader-text{
  font-family:var(--font-display,'Playfair Display'),serif;
  font-size:.95rem;letter-spacing:.5px;
  color:var(--gold-pale);
  text-shadow:0 1px 6px rgba(0,0,0,.5);
}
.mcq-loader-bar{
  width:180px;height:4px;border-radius:4px;overflow:hidden;
  background:rgba(201,149,42,.12);
  position:relative;
}
.mcq-loader-bar::after{
  content:'';position:absolute;top:0;left:-40%;
  width:40%;height:100%;border-radius:4px;
  background:linear-gradient(90deg,transparent,var(--gold-light),var(--gold),transparent);
  animation:mcqSlide 1.1s ease-in-out infinite;
}
@keyframes mcqSlide{
  0%{left:-45%;}
  100%{left:105%;}
}