/* ================================================================
   Canteen Food Coupon System — Design System & Global Styles
   ================================================================ */

/* ---------- Google Fonts already loaded via <link> ----------- */

/* ---------- CSS Custom Properties (Design Tokens) ------------ */
/* Default: Light Theme */
:root,
[data-theme="light"] {
  /* Color Palette - Refined Slate & Vibrant Emerald/Azure */
  --clr-bg:            #f8fafc;
  --clr-surface:       #ffffff;
  --clr-surface-2:     #f1f5f9;
  --clr-surface-3:     #e2e8f0;
  --clr-input-bg:      #ffffff;
  --clr-border:        #e2e8f0;
  --clr-border-light:  #cbd5e1;

  --clr-text:          #0f172a;
  --clr-text-muted:    #64748b;
  --clr-text-dim:      #94a3b8;

  --clr-primary:       #059669;
  --clr-primary-dark:  #047857;
  --clr-primary-glow:  rgba(5, 150, 105, 0.14);
  --clr-primary-text:  #ffffff;

  --clr-accent:        #2563eb;
  --clr-accent-glow:   rgba(37, 99, 235, 0.12);

  --clr-warn:          #d97706;
  --clr-warn-bg:       rgba(217, 119, 6, 0.10);

  --clr-danger:        #dc2626;
  --clr-danger-bg:     rgba(220, 38, 38, 0.10);

  --clr-success:       #059669;
  --clr-success-bg:    rgba(5, 150, 105, 0.10);

  --clr-info:          #2563eb;
  --clr-info-bg:       rgba(37, 99, 235, 0.10);

  /* Sidebar */
  --sidebar-w:         240px;
  --sidebar-bg:        #ffffff;

  /* Spacing */
  --sp-1: 4px; --sp-2: 8px; --sp-3: 12px; --sp-4: 16px;
  --sp-5: 20px; --sp-6: 24px; --sp-8: 32px; --sp-10: 40px;

  /* Typography */
  --font-body:   'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono:   'JetBrains Mono', monospace;
  --fz-xs: .75rem; --fz-sm: .8125rem; --fz-base: .9375rem;
  --fz-lg: 1.0625rem; --fz-xl: 1.25rem; --fz-2xl: 1.5rem;
  --fz-3xl: 2rem;

  /* Radii */
  --r-sm: 6px; --r-md: 10px; --r-lg: 14px; --r-xl: 20px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06), 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.08), 0 2px 4px -2px rgba(15, 23, 42, 0.05);
  --shadow-lg: 0 10px 25px -3px rgba(15, 23, 42, 0.09), 0 4px 6px -4px rgba(15, 23, 42, 0.04);

  /* Transitions */
  --tr: .18s ease;
}

/* Dark Theme overrides */
[data-theme="dark"] {
  --clr-bg:            #0d1117;
  --clr-surface:       #161b22;
  --clr-surface-2:     #1c2330;
  --clr-surface-3:     #21262d;
  --clr-input-bg:      #21262d;
  --clr-border:        #30363d;
  --clr-border-light:  #3d444d;

  --clr-text:          #e6edf3;
  --clr-text-muted:    #8b949e;
  --clr-text-dim:      #6e7681;

  --clr-primary:       #3fb950;
  --clr-primary-dark:  #2ea043;
  --clr-primary-glow:  rgba(63, 185, 80, 0.18);
  --clr-primary-text:  #0d1117;

  --clr-accent:        #58a6ff;
  --clr-accent-glow:   rgba(88, 166, 255, 0.18);

  --clr-warn:          #d29922;
  --clr-warn-bg:       rgba(210, 153, 34, 0.12);

  --clr-danger:        #f85149;
  --clr-danger-bg:     rgba(248, 81, 73, 0.12);

  --clr-success:       #3fb950;
  --clr-success-bg:    rgba(63, 185, 80, 0.12);

  --clr-info:          #58a6ff;
  --clr-info-bg:       rgba(88, 166, 255, 0.12);

  --sidebar-bg:        #0d1117;

  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.4);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.5);
  --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.6);
}

/* ---------- Base Reset ---------------------------------------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  background: var(--clr-bg);
  color: var(--clr-text);
  min-height: 100vh;
  line-height: 1.6;
}

a { color: var(--clr-accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---------- App Layout ---------------------------------------- */
.app-layout {
  display: flex;
  min-height: 100vh;
}

/* ---------- Sidebar ------------------------------------------- */
.sidebar {
  width: var(--sidebar-w);
  background: var(--sidebar-bg);
  border-right: 1px solid var(--clr-border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0;
  height: 100vh;
  z-index: 200;
  transition: transform var(--tr);
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--clr-border) transparent;
}

.sidebar-header {
  padding: var(--sp-5) var(--sp-4);
  border-bottom: 1px solid var(--clr-border);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}

.logo-icon {
  font-size: 1.8rem;
  filter: drop-shadow(0 0 8px rgba(63,185,80,.5));
}

.logo-title {
  display: block;
  font-size: var(--fz-lg);
  font-weight: 700;
  color: var(--clr-text);
  line-height: 1.2;
  background: linear-gradient(135deg, var(--clr-primary), var(--clr-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.logo-sub {
  display: block;
  font-size: var(--fz-xs);
  color: var(--clr-text-muted);
  font-weight: 400;
}

.sidebar-user {
  padding: var(--sp-4);
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  border-bottom: 1px solid var(--clr-border);
}

.user-avatar {
  width: 36px; height: 36px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--clr-primary), var(--clr-accent));
  color: #ffffff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700;
  font-size: var(--fz-sm);
  flex-shrink: 0;
}

.user-info { display: flex; flex-direction: column; overflow: hidden; }
.user-name { font-size: var(--fz-sm); font-weight: 600; truncate: ellipsis; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

.role-badge {
  display: inline-block;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .04em;
  padding: 1px 6px;
  border-radius: 20px;
  width: fit-content;
}
.role-admin  { background: var(--clr-accent-glow);  color: var(--clr-accent);  border: 1px solid rgba(37,99,235,.25); }
.role-security { background: var(--clr-warn-bg); color: var(--clr-warn); border: 1px solid rgba(217,119,6,.25); }
.role-executive { background: rgba(147,51,234,.10); color: #7e22ce; border: 1px solid rgba(147,51,234,.25); }
[data-theme="dark"] .role-admin { border-color: rgba(88,166,255,.3); }
[data-theme="dark"] .role-security { border-color: rgba(210,153,34,.3); }
[data-theme="dark"] .role-executive { background: rgba(163,113,247,.15); color: #bc8cff; border-color: rgba(188,140,255,.3); }

.sidebar-nav { flex: 1; padding: var(--sp-3) var(--sp-2); }

.nav-section { margin-bottom: var(--sp-4); }

.nav-label {
  display: block;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--clr-text-dim);
  padding: var(--sp-2) var(--sp-3);
  margin-bottom: var(--sp-1);
}

.nav-item {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-2) var(--sp-3);
  border-radius: var(--r-sm);
  color: var(--clr-text-muted);
  font-size: var(--fz-sm);
  font-weight: 500;
  transition: all var(--tr);
  cursor: pointer;
  text-decoration: none;
  margin-bottom: 2px;
}

.nav-item:hover {
  background: var(--clr-surface-2);
  color: var(--clr-text);
  text-decoration: none;
}

.nav-item.active {
  background: var(--clr-primary-glow);
  color: var(--clr-primary);
  border: 1px solid rgba(63,185,80,.25);
}

.nav-item svg { flex-shrink: 0; opacity: .85; }

.sidebar-footer {
  padding: var(--sp-4) var(--sp-2);
  border-top: 1px solid var(--clr-border);
}

.logout-btn { color: var(--clr-danger) !important; }
.logout-btn:hover { background: var(--clr-danger-bg) !important; }

/* ---------- Main Content -------------------------------------- */
.main-content {
  margin-left: var(--sidebar-w);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.top-bar {
  position: sticky; top: 0;
  z-index: 100;
  background: var(--clr-surface);
  border-bottom: 1px solid var(--clr-border);
  padding: var(--sp-3) var(--sp-6);
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  backdrop-filter: blur(8px);
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--clr-text-muted);
  cursor: pointer;
  padding: var(--sp-1);
  border-radius: var(--r-sm);
}

.page-title {
  font-size: var(--fz-xl);
  font-weight: 700;
  flex: 1;
}

.top-bar-right { display: flex; align-items: center; gap: var(--sp-3); }

/* ---------- Theme Switcher Button ----------------------------- */
.theme-toggle-btn {
  background: var(--clr-surface-2);
  border: 1px solid var(--clr-border);
  color: var(--clr-text-muted);
  width: 34px;
  height: 34px;
  border-radius: var(--r-md);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--tr);
  padding: 0;
}
.theme-toggle-btn:hover {
  background: var(--clr-surface-3);
  color: var(--clr-text);
  border-color: var(--clr-border-light);
  transform: translateY(-1px);
}
:root:not([data-theme="dark"]) .sun-icon { display: none; }
:root:not([data-theme="dark"]) .moon-icon { display: block; }
[data-theme="dark"] .sun-icon { display: block; }
[data-theme="dark"] .moon-icon { display: none; }

.clock {
  font-family: var(--font-mono);
  font-size: var(--fz-sm);
  color: var(--clr-text-muted);
  background: var(--clr-surface-3);
  padding: var(--sp-1) var(--sp-3);
  border-radius: var(--r-sm);
  border: 1px solid var(--clr-border);
}

.content-wrapper { padding: var(--sp-6); flex: 1; }

/* ---------- Cards --------------------------------------------- */
.card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--r-lg);
  overflow: hidden;
}

.card-header {
  padding: var(--sp-4) var(--sp-5);
  border-bottom: 1px solid var(--clr-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-3);
}

.card-title {
  font-size: var(--fz-base);
  font-weight: 600;
}

.card-body { padding: var(--sp-5); }

/* ---------- Stat Cards ---------------------------------------- */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: var(--sp-4);
  margin-bottom: var(--sp-6);
}

.stat-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--r-lg);
  padding: var(--sp-5);
  position: relative;
  overflow: hidden;
  transition: transform var(--tr), box-shadow var(--tr);
}

.stat-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }

.stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--accent-color, var(--clr-primary));
}

.stat-card.green  { --accent-color: var(--clr-primary); }
.stat-card.blue   { --accent-color: var(--clr-accent); }
.stat-card.yellow { --accent-color: var(--clr-warn); }
.stat-card.red    { --accent-color: var(--clr-danger); }

.stat-label {
  font-size: var(--fz-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--clr-text-muted);
  margin-bottom: var(--sp-2);
}

.stat-value {
  font-size: var(--fz-3xl);
  font-weight: 800;
  line-height: 1;
  margin-bottom: var(--sp-2);
  font-variant-numeric: tabular-nums;
}

.stat-sub { font-size: var(--fz-xs); color: var(--clr-text-dim); }

/* ---------- Tables -------------------------------------------- */
.table-wrapper { overflow-x: auto; border-radius: var(--r-lg); border: 1px solid var(--clr-border); }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--fz-sm);
}

thead tr {
  background: var(--clr-surface-2);
}

th {
  padding: var(--sp-3) var(--sp-4);
  text-align: left;
  font-weight: 600;
  font-size: var(--fz-xs);
  letter-spacing: .05em;
  text-transform: uppercase;
  color: var(--clr-text-muted);
  white-space: nowrap;
  border-bottom: 1px solid var(--clr-border);
}

td {
  padding: var(--sp-3) var(--sp-4);
  border-bottom: 1px solid var(--clr-border);
  vertical-align: middle;
}

tr:last-child td { border-bottom: none; }

tbody tr { transition: background var(--tr); }
tbody tr:hover { background: var(--clr-surface-2); }

/* ---------- Badges -------------------------------------------- */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: 20px;
  font-size: var(--fz-xs);
  font-weight: 600;
  white-space: nowrap;
}

.badge-green   { background: var(--clr-success-bg); color: var(--clr-success); border: 1px solid rgba(63,185,80,.3); }
.badge-blue    { background: var(--clr-info-bg);    color: var(--clr-info);    border: 1px solid rgba(88,166,255,.3); }
.badge-purple  { background: rgba(163,113,247,.15); color: #bc8cff;           border: 1px solid rgba(188,140,255,.3); }
.badge-yellow  { background: var(--clr-warn-bg);    color: var(--clr-warn);    border: 1px solid rgba(210,153,34,.3); }
.badge-red     { background: var(--clr-danger-bg);  color: var(--clr-danger);  border: 1px solid rgba(248,81,73,.3); }
.badge-gray    { background: var(--clr-surface-3);  color: var(--clr-text-muted); border: 1px solid var(--clr-border); }

/* Mode Switcher / Segmented Tabs */
.segmented-switch {
  display: flex;
  background: var(--clr-surface-3);
  border: 1px solid var(--clr-border);
  border-radius: var(--r-md);
  padding: 3px;
  gap: 3px;
  margin-bottom: var(--sp-4);
}
.segmented-btn {
  flex: 1;
  padding: var(--sp-2) var(--sp-3);
  background: transparent;
  border: none;
  border-radius: var(--r-sm);
  color: var(--clr-text-muted);
  font-size: var(--fz-sm);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--tr);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}
.segmented-btn:hover {
  color: var(--clr-text);
}
.segmented-btn.active {
  background: var(--clr-surface);
  color: var(--clr-primary);
  box-shadow: 0 1px 3px rgba(0,0,0,.3);
}

/* ---------- Buttons ------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-2) var(--sp-4);
  border-radius: var(--r-sm);
  font-size: var(--fz-sm);
  font-weight: 600;
  cursor: pointer;
  transition: all var(--tr);
  border: 1px solid transparent;
  font-family: var(--font-body);
  text-decoration: none;
}

.btn-primary {
  background: var(--clr-primary);
  color: var(--clr-primary-text, #ffffff);
  border-color: var(--clr-primary);
}
.btn-primary:hover { background: var(--clr-primary-dark); border-color: var(--clr-primary-dark); }

.btn-secondary {
  background: var(--clr-surface-3);
  color: var(--clr-text);
  border-color: var(--clr-border);
}
.btn-secondary:hover { background: var(--clr-surface-2); border-color: var(--clr-border-light); }

.btn-danger {
  background: var(--clr-danger-bg);
  color: var(--clr-danger);
  border-color: rgba(248,81,73,.35);
}
.btn-danger:hover { background: var(--clr-danger); color: #fff; }

.btn-ghost {
  background: transparent;
  color: var(--clr-text-muted);
  border-color: var(--clr-border);
}
.btn-ghost:hover { background: var(--clr-surface-2); color: var(--clr-text); }

.btn-sm { padding: 4px var(--sp-3); font-size: var(--fz-xs); }
.btn-lg { padding: var(--sp-3) var(--sp-6); font-size: var(--fz-base); }
.btn-block { width: 100%; justify-content: center; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

/* ---------- Forms --------------------------------------------- */
.form-group { margin-bottom: var(--sp-4); }

label {
  display: block;
  margin-bottom: var(--sp-2);
  font-size: var(--fz-sm);
  font-weight: 600;
  color: var(--clr-text);
}

.form-control {
  width: 100%;
  padding: var(--sp-2) var(--sp-3);
  background: var(--clr-input-bg, #ffffff);
  border: 1px solid var(--clr-border);
  border-radius: var(--r-sm);
  color: var(--clr-text);
  font-size: var(--fz-sm);
  font-family: var(--font-body);
  transition: border-color var(--tr), box-shadow var(--tr), background var(--tr);
}

.form-control:focus {
  outline: none;
  border-color: var(--clr-primary);
  box-shadow: 0 0 0 3px var(--clr-primary-glow);
}

.form-control::placeholder { color: var(--clr-text-dim); }

select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%238b949e' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--sp-3) center;
  padding-right: var(--sp-8);
}

.form-hint { font-size: var(--fz-xs); color: var(--clr-text-dim); margin-top: var(--sp-1); }

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-4); }
.form-grid-3 { grid-template-columns: 1fr 1fr 1fr; }

/* ---------- Modal --------------------------------------------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(15, 23, 42, 0.45);
  backdrop-filter: blur(4px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--sp-4);
}
[data-theme="dark"] .modal-overlay {
  background: rgba(0, 0, 0, 0.75);
}

.modal-overlay.hidden { display: none; }

.modal {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border-light);
  border-radius: var(--r-xl);
  width: 100%;
  max-width: 540px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  animation: modalIn .2s ease;
}

.modal.modal-lg {
  max-width: 980px;
  width: 95vw;
}

/* Drill-down Clickable Dashboard Cards and Numbers */
.stat-card.clickable {
  cursor: pointer;
  position: relative;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}
.stat-card.clickable:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
  border-color: var(--clr-primary);
}
.stat-card.clickable .stat-value {
  text-decoration-line: underline;
  text-decoration-style: dotted;
  text-decoration-thickness: 2px;
  text-underline-offset: 5px;
  transition: color 0.15s ease;
}
.stat-card.clickable:hover .stat-value {
  color: var(--clr-primary);
}
.drilldown-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--clr-text-muted);
  margin-top: 6px;
  background: var(--clr-surface-3);
  padding: 2px 8px;
  border-radius: var(--r-full);
  border: 1px solid var(--clr-border);
  transition: all 0.15s ease;
}
.stat-card.clickable:hover .drilldown-badge {
  background: var(--clr-primary);
  color: #fff;
  border-color: var(--clr-primary);
}
.bar-chart-row.clickable {
  cursor: pointer;
  padding: 6px 10px;
  border-radius: var(--r-md);
  transition: background 0.15s ease, transform 0.15s ease;
}
.bar-chart-row.clickable:hover {
  background: var(--clr-surface-2);
  transform: translateX(3px);
}
.bar-chart-row.clickable:hover .bar-value {
  color: var(--clr-primary);
  text-decoration: underline dotted;
}

.drilldown-link {
  display: inline-block;
  padding: 2px 8px;
  border-radius: var(--r-sm);
  color: var(--clr-primary);
  font-weight: 600;
  cursor: pointer;
  text-decoration: underline dotted;
  text-underline-offset: 3px;
  transition: all 0.15s ease;
}
.drilldown-link:hover {
  background: var(--clr-surface-3);
  color: var(--clr-primary);
  transform: scale(1.08);
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.1);
}

@keyframes modalIn {
  from { transform: translateY(-16px) scale(.98); opacity: 0; }
  to   { transform: translateY(0) scale(1); opacity: 1; }
}

.modal-header {
  padding: var(--sp-4) var(--sp-5);
  border-bottom: 1px solid var(--clr-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title { font-size: var(--fz-lg); font-weight: 700; }

.modal-close {
  background: none;
  border: none;
  color: var(--clr-text-muted);
  font-size: 1.2rem;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: var(--r-sm);
  line-height: 1;
}
.modal-close:hover { background: var(--clr-surface-3); color: var(--clr-text); }

.modal-body { padding: var(--sp-5); }

.modal-footer {
  padding: var(--sp-4) var(--sp-5);
  border-top: 1px solid var(--clr-border);
  display: flex;
  gap: var(--sp-3);
  justify-content: flex-end;
}

/* ---------- Toast Notifications ------------------------------- */
#toast-container {
  position: fixed;
  bottom: var(--sp-5);
  right: var(--sp-5);
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  max-width: 360px;
}

.toast {
  background: var(--clr-surface-2);
  border: 1px solid var(--clr-border-light);
  border-radius: var(--r-md);
  padding: var(--sp-3) var(--sp-4);
  font-size: var(--fz-sm);
  box-shadow: var(--shadow-md);
  animation: toastIn .3s ease;
  display: flex;
  align-items: flex-start;
  gap: var(--sp-3);
}

.toast-success { border-left: 3px solid var(--clr-success); }
.toast-error   { border-left: 3px solid var(--clr-danger); }
.toast-warn    { border-left: 3px solid var(--clr-warn); }
.toast-info    { border-left: 3px solid var(--clr-info); }

@keyframes toastIn {
  from { transform: translateX(20px); opacity: 0; }
  to   { transform: translateX(0); opacity: 1; }
}

/* ---------- Flash Messages ------------------------------------ */
.flash-messages { padding: 0 var(--sp-6); padding-top: var(--sp-4); }
.flash {
  padding: var(--sp-3) var(--sp-4);
  border-radius: var(--r-sm);
  font-size: var(--fz-sm);
  font-weight: 500;
  margin-bottom: var(--sp-2);
}
.flash-error   { background: var(--clr-danger-bg); color: var(--clr-danger); border: 1px solid rgba(248,81,73,.3); }
.flash-success { background: var(--clr-success-bg); color: var(--clr-success); border: 1px solid rgba(63,185,80,.3); }

/* ---------- Misc Utils ---------------------------------------- */
.hidden { display: none !important; }
.text-muted  { color: var(--clr-text-muted); }
.text-dim    { color: var(--clr-text-dim); }
.text-success { color: var(--clr-success); }
.text-danger  { color: var(--clr-danger); }
.text-warn    { color: var(--clr-warn); }
.font-mono   { font-family: var(--font-mono); }
.text-sm     { font-size: var(--fz-sm); }
.text-xs     { font-size: var(--fz-xs); }
.mt-1 { margin-top: var(--sp-1); } .mt-2 { margin-top: var(--sp-2); }
.mt-4 { margin-top: var(--sp-4); } .mt-6 { margin-top: var(--sp-6); }
.mb-4 { margin-bottom: var(--sp-4); } .mb-6 { margin-bottom: var(--sp-6); }
.flex { display: flex; align-items: center; gap: var(--sp-3); }
.flex-between { display: flex; align-items: center; justify-content: space-between; gap: var(--sp-3); }
.flex-end { display: flex; align-items: center; justify-content: flex-end; gap: var(--sp-3); }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-4); }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: var(--sp-4); }

.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--sp-4);
}

.section-title {
  font-size: var(--fz-xl);
  font-weight: 700;
}

.empty-state {
  text-align: center;
  padding: var(--sp-10) var(--sp-6);
  color: var(--clr-text-muted);
}

.empty-state-icon { font-size: 3rem; margin-bottom: var(--sp-3); opacity: .5; }
.empty-state-text { font-size: var(--fz-base); }

/* ---------- Login Page ---------------------------------------- */
.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--sp-4);
  position: relative;
  background: radial-gradient(ellipse at 20% 50%, rgba(5,150,105,.08) 0%, transparent 60%),
              radial-gradient(ellipse at 80% 20%, rgba(37,99,235,.08) 0%, transparent 60%),
              var(--clr-bg);
}
[data-theme="dark"] .auth-page {
  background: radial-gradient(ellipse at 20% 50%, rgba(63,185,80,.08) 0%, transparent 60%),
              radial-gradient(ellipse at 80% 20%, rgba(88,166,255,.08) 0%, transparent 60%),
              var(--clr-bg);
}

.auth-box {
  width: 100%;
  max-width: 400px;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--r-xl);
  padding: var(--sp-8);
  box-shadow: var(--shadow-lg);
}

.auth-logo {
  text-align: center;
  margin-bottom: var(--sp-6);
}

.auth-logo .logo-icon { font-size: 3rem; display: block; margin-bottom: var(--sp-2); }
.auth-logo h1 { font-size: var(--fz-2xl); font-weight: 800; margin-bottom: 4px;
  background: linear-gradient(135deg, var(--clr-primary), var(--clr-accent));
  -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.auth-logo p { color: var(--clr-text-muted); font-size: var(--fz-sm); }

/* ---------- Coupon Receipt Preview ---------------------------- */
.coupon-receipt {
  background: #fff;
  color: #000;
  border-radius: var(--r-md);
  padding: var(--sp-5);
  font-family: var(--font-mono);
  font-size: var(--fz-xs);
  max-width: 280px;
  margin: 0 auto;
  text-align: center;
  border: 2px dashed #ccc;
}

.coupon-receipt .receipt-logo { font-size: 1.5rem; margin-bottom: var(--sp-2); }
.coupon-receipt .receipt-title { font-size: var(--fz-base); font-weight: bold; }
.coupon-receipt hr { border: none; border-top: 1px dashed #ccc; margin: var(--sp-2) 0; }
.coupon-receipt .receipt-ref { font-size: var(--fz-base); font-weight: bold; letter-spacing: .1em; }
.coupon-receipt .receipt-row { display: flex; justify-content: space-between; font-size: var(--fz-xs); margin: 3px 0; }

/* ---------- Issue Page Specifics ------------------------------ */
.issue-card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--r-xl);
  padding: var(--sp-6);
  max-width: 640px;
  margin: 0 auto;
}

.meal-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--sp-3);
  margin-bottom: var(--sp-4);
}

.meal-btn {
  background: var(--clr-surface);
  border: 2px solid var(--clr-border);
  border-radius: var(--r-lg);
  padding: var(--sp-4) var(--sp-3);
  text-align: center;
  cursor: pointer;
  transition: all var(--tr);
  font-family: var(--font-body);
  color: var(--clr-text);
}

.meal-btn:hover { border-color: var(--clr-primary); background: var(--clr-primary-glow); }

.meal-btn.selected {
  border-color: var(--clr-primary);
  background: var(--clr-primary-glow);
  color: var(--clr-primary);
}

.meal-btn.outside-window { border-color: var(--clr-warn); }
.meal-btn .meal-name { font-weight: 700; font-size: var(--fz-base); }
.meal-btn .meal-time { font-size: var(--fz-xs); color: var(--clr-text-muted); margin-top: 4px; }
.meal-btn .window-indicator { font-size: 10px; margin-top: 4px; font-weight: 600; }

/* ---------- Search Input with dropdown ----------------------- */
.search-wrapper { position: relative; }

.search-dropdown {
  position: absolute;
  top: 100%;
  left: 0; right: 0;
  background: var(--clr-surface-2);
  border: 1px solid var(--clr-border);
  border-radius: 0 0 var(--r-md) var(--r-md);
  max-height: 280px;
  overflow-y: auto;
  z-index: 50;
  box-shadow: var(--shadow-md);
}

.search-result-item {
  padding: var(--sp-3) var(--sp-4);
  cursor: pointer;
  transition: background var(--tr);
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.search-result-item:hover { background: var(--clr-surface-3); }
.search-result-item .person-name { font-weight: 600; font-size: var(--fz-sm); }
.search-result-item .person-meta { font-size: var(--fz-xs); color: var(--clr-text-muted); }
.search-result-item:not(:last-child) { border-bottom: 1px solid var(--clr-border); }

/* ---------- Issue Result Panel -------------------------------- */
.issue-result {
  margin-top: var(--sp-5);
  padding: var(--sp-4);
  border-radius: var(--r-lg);
  border: 1px solid;
  animation: resultIn .3s ease;
}

@keyframes resultIn {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

.issue-result.success { background: var(--clr-success-bg); border-color: rgba(63,185,80,.4); }
.issue-result.error   { background: var(--clr-danger-bg);  border-color: rgba(248,81,73,.4); }
.issue-result.warn    { background: var(--clr-warn-bg);    border-color: rgba(210,153,34,.4); }

/* ---------- Print Status Pulse -------------------------------- */
.print-pending { animation: pulse 2s infinite; }
@keyframes pulse { 0%,100% { opacity: 1; } 50% { opacity: .5; } }

/* ---------- Dashboard Layout ---------------------------------- */
.dashboard-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-5);
}

/* ---------- Bar Chart (CSS) ----------------------------------- */
.bar-chart-row {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  margin-bottom: var(--sp-3);
}
.bar-label { width: 120px; font-size: var(--fz-xs); color: var(--clr-text-muted); text-align: right; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.bar-track { flex: 1; background: var(--clr-surface-3); border-radius: 20px; height: 8px; overflow: hidden; }
.bar-fill  { height: 100%; border-radius: 20px; background: linear-gradient(90deg, var(--clr-primary), var(--clr-accent)); transition: width .6s ease; }
.bar-value { width: 40px; font-size: var(--fz-xs); color: var(--clr-text-muted); font-variant-numeric: tabular-nums; }

/* ---------- Scrollbars --------------------------------------- */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--clr-border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--clr-border-light); }

/* ---------- Responsive --------------------------------------- */
@media (max-width: 900px) {
  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); }
  .main-content { margin-left: 0; }
  .menu-toggle { display: flex; }
  .form-grid, .grid-2, .grid-3 { grid-template-columns: 1fr; }
  .meal-grid { grid-template-columns: 1fr 1fr; }
  .dashboard-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 480px) {
  .content-wrapper { padding: var(--sp-4); }
  .meal-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr; }
}

/* ================================================================
   Customer Branding, General Settings & Home Page Customization
   ================================================================ */

.sidebar-logo-img {
  max-height: 38px;
  max-width: 130px;
  object-fit: contain;
  border-radius: var(--r-sm);
  display: block;
}

.logo-icon-img {
  width: 36px;
  height: 36px;
  object-fit: contain;
  border-radius: var(--r-sm);
}

/* Home / Auth Page Split Layout */
.auth-split-wrapper {
  display: flex;
  align-items: stretch;
  width: 100%;
  max-width: 1020px;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--r-xl);
  overflow: hidden;
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.12);
  margin: var(--sp-4) auto;
}

[data-theme="dark"] .auth-split-wrapper {
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.45);
  border-color: rgba(255, 255, 255, 0.08);
}

.auth-hero-panel {
  flex: 1.15;
  background: linear-gradient(145deg, rgba(5,150,105,0.06), rgba(37,99,235,0.08)), var(--clr-surface-2);
  border-right: 1px solid var(--clr-border);
  padding: var(--sp-8);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
  overflow: hidden;
}

[data-theme="dark"] .auth-hero-panel {
  background: linear-gradient(145deg, rgba(5,150,105,0.12), rgba(37,99,235,0.12)), #0d1527;
  border-right-color: rgba(255, 255, 255, 0.08);
}

.auth-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  border-radius: var(--r-full);
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  font-size: var(--fz-xs);
  font-weight: 600;
  color: var(--clr-text);
  width: fit-content;
  box-shadow: var(--shadow-sm);
  margin-bottom: var(--sp-4);
}

.auth-hero-title {
  font-size: 1.85rem;
  font-weight: 800;
  line-height: 1.25;
  color: var(--clr-text);
  margin-bottom: var(--sp-3);
  letter-spacing: -0.02em;
}

.auth-hero-subtitle {
  font-size: var(--fz-sm);
  color: var(--clr-text-muted);
  line-height: 1.6;
  margin-bottom: var(--sp-6);
}

.auth-hero-image-wrap {
  width: 100%;
  max-height: 280px;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--clr-border);
  background: var(--clr-surface);
  box-shadow: var(--shadow-md);
  margin: var(--sp-4) 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.auth-hero-image-wrap img {
  width: 100%;
  height: 100%;
  max-height: 280px;
  object-fit: cover;
  display: block;
}

.auth-features-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: var(--sp-4);
}

.auth-feature-pill {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: var(--fz-xs);
  font-weight: 600;
  color: var(--clr-text-muted);
}

.auth-feature-icon {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--clr-primary-glow);
  color: var(--clr-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  flex-shrink: 0;
}

.auth-box-standalone {
  flex: 0.95;
  padding: var(--sp-8);
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
}

.auth-announcement-chip {
  background: rgba(217, 119, 6, 0.12);
  border: 1px solid rgba(217, 119, 6, 0.3);
  color: var(--clr-warn);
  border-radius: var(--r-md);
  padding: 8px 12px;
  font-size: var(--fz-xs);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: var(--sp-4);
}

/* Settings Page UI Components */
.settings-tabs {
  display: flex;
  gap: 8px;
  border-bottom: 2px solid var(--clr-border);
  margin-bottom: var(--sp-6);
  overflow-x: auto;
}

.settings-tab-btn {
  background: none;
  border: none;
  padding: 10px 16px;
  font-size: var(--fz-sm);
  font-weight: 600;
  color: var(--clr-text-muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -2px;
  transition: all var(--tr);
  white-space: nowrap;
}

.settings-tab-btn:hover {
  color: var(--clr-text);
}

.settings-tab-btn.active {
  color: var(--clr-primary);
  border-bottom-color: var(--clr-primary);
}

.asset-dropzone {
  border: 2px dashed var(--clr-border-light);
  border-radius: var(--r-lg);
  padding: var(--sp-5);
  text-align: center;
  background: var(--clr-surface-2);
  cursor: pointer;
  transition: all var(--tr);
}

.asset-dropzone:hover {
  border-color: var(--clr-primary);
  background: var(--clr-primary-glow);
}

.preview-badge-container {
  padding: var(--sp-5);
  border-radius: var(--r-lg);
  border: 1px solid var(--clr-border);
  background: var(--clr-surface-2);
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
}

.preview-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-4);
}

.preview-card-light {
  background: #ffffff;
  color: #0f172a;
  padding: var(--sp-4);
  border-radius: var(--r-md);
  border: 1px solid #e2e8f0;
}

.preview-card-dark {
  background: #0d1527;
  color: #f8fafc;
  padding: var(--sp-4);
  border-radius: var(--r-md);
  border: 1px solid #1e293b;
}

.emoji-palette {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
}

.emoji-btn {
  width: 40px;
  height: 40px;
  font-size: 1.4rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--r-md);
  cursor: pointer;
  transition: transform var(--tr), border-color var(--tr);
}

.emoji-btn:hover {
  transform: scale(1.15);
  border-color: var(--clr-primary);
}

.emoji-btn.active {
  border-color: var(--clr-primary);
  background: var(--clr-primary-glow);
}

@media (max-width: 820px) {
  .auth-split-wrapper {
    flex-direction: column;
  }
  .auth-hero-panel {
    border-right: none;
    border-bottom: 1px solid var(--clr-border);
    padding: var(--sp-6);
  }
  .preview-split {
    grid-template-columns: 1fr;
  }
}