/* NMSCST Queuing System — Material Design 3 Theme */
:root {
  --md-primary: #6750A4;
  --md-on-primary: #FFFFFF;
  --md-primary-container: #EADDFF;
  --md-on-primary-container: #21005D;
  --md-secondary: #006874;
  --md-on-secondary: #FFFFFF;
  --md-secondary-container: #97F0FF;
  --md-on-secondary-container: #001F24;
  --md-tertiary: #7D5260;
  --md-on-tertiary: #FFFFFF;
  --md-error: #B3261E;
  --md-on-error: #FFFFFF;
  --md-error-container: #F9DEDC;
  --md-background: #FFFBFE;
  --md-on-background: #1C1B1F;
  --md-surface: #FFFBFE;
  --md-on-surface: #1C1B1F;
  --md-surface-variant: #E7E0EC;
  --md-on-surface-variant: #49454F;
  --md-outline: #79747E;
  --md-outline-variant: #CAC4D0;
  --md-success: #386A20;
  --md-success-container: #9EF06E;
  --md-shadow: rgba(0,0,0,.15);
  --md-radius-xs: 4px;
  --md-radius-sm: 8px;
  --md-radius-md: 12px;
  --md-radius-lg: 16px;
  --md-radius-xl: 28px;
  --md-radius-full: 100px;
}

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

html { font-size: 16px; }

body {
  font-family: 'Roboto', sans-serif;
  background: var(--md-background);
  color: var(--md-on-background);
  min-height: 100vh;
  line-height: 1.5;
}

/* ── Top App Bar ── */
.app-bar {
  background: var(--md-primary);
  color: var(--md-on-primary);
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 6px var(--md-shadow);
}
.app-bar-title { font-size: 1.125rem; font-weight: 600; letter-spacing: .02em; }
.app-bar-sub   { font-size: .8rem; opacity: .85; }
.app-bar.teal  { background: var(--md-secondary); }
.app-bar.dark  { background: #003F47; }

/* ── Layout ── */
.page-shell { display: flex; min-height: 100vh; }
.sidebar {
  width: 240px;
  background: #F7F2FA;
  border-right: 1px solid var(--md-outline-variant);
  padding: 12px 8px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
}
.main-content { flex: 1; padding: 20px; overflow-x: hidden; }

/* ── Nav items ── */
.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 16px;
  border-radius: var(--md-radius-full);
  color: var(--md-on-surface-variant);
  text-decoration: none;
  font-size: .9rem;
  font-weight: 500;
  transition: background .15s;
  cursor: pointer;
}
.nav-item:hover { background: rgba(103,80,164,.08); }
.nav-item.active { background: var(--md-primary-container); color: var(--md-on-primary-container); }
.nav-item .material-icons-round { font-size: 20px; }

/* ── Cards ── */
.card {
  background: var(--md-surface);
  border-radius: var(--md-radius-lg);
  border: 1px solid var(--md-outline-variant);
  padding: 20px;
  margin-bottom: 16px;
}
.card-elevated {
  background: var(--md-surface);
  border-radius: var(--md-radius-lg);
  padding: 20px;
  box-shadow: 0 2px 8px var(--md-shadow);
  margin-bottom: 16px;
}

/* ── Stat grid ── */
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 12px; margin-bottom: 20px; }
.stat-card {
  border-radius: var(--md-radius-md);
  padding: 16px;
  text-align: center;
}
.stat-card .stat-value { font-size: 2rem; font-weight: 800; line-height: 1.1; }
.stat-card .stat-label { font-size: .7rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; margin-top: 4px; }
.stat-card.primary   { background: var(--md-primary-container); color: var(--md-on-primary-container); }
.stat-card.secondary { background: var(--md-secondary-container); color: var(--md-on-secondary-container); }
.stat-card.success   { background: #D8F5D0; color: var(--md-success); }
.stat-card.error     { background: var(--md-error-container); color: var(--md-error); }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 24px;
  border-radius: var(--md-radius-full);
  border: none;
  font-family: inherit;
  font-size: .9rem;
  font-weight: 600;
  cursor: pointer;
  transition: box-shadow .15s, opacity .15s;
  text-decoration: none;
  white-space: nowrap;
}
.btn:hover { opacity: .9; }
.btn:active { opacity: .8; }
.btn-primary   { background: var(--md-primary); color: var(--md-on-primary); }
.btn-secondary { background: var(--md-secondary); color: var(--md-on-secondary); }
.btn-tonal     { background: var(--md-primary-container); color: var(--md-on-primary-container); }
.btn-success   { background: var(--md-success); color: #fff; }
.btn-error     { background: var(--md-error); color: var(--md-on-error); }
.btn-outline   { background: transparent; color: var(--md-primary); border: 1.5px solid var(--md-outline); }
.btn-sm        { padding: 6px 16px; font-size: .8rem; }
.btn-lg        { padding: 16px 32px; font-size: 1rem; font-weight: 700; }
.btn-full      { width: 100%; }
.btn-icon      { padding: 8px; border-radius: var(--md-radius-full); background: transparent; color: var(--md-on-surface-variant); }
.btn-icon:hover { background: rgba(0,0,0,.08); }

/* ── Form fields ── */
.field { margin-bottom: 16px; }
.field label { display: block; font-size: .85rem; font-weight: 500; color: var(--md-on-surface-variant); margin-bottom: 6px; }
.field input, .field select, .field textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1.5px solid var(--md-outline);
  border-radius: var(--md-radius-sm);
  font-family: inherit;
  font-size: .95rem;
  background: var(--md-surface);
  color: var(--md-on-surface);
  transition: border-color .15s;
  outline: none;
}
.field input:focus, .field select:focus, .field textarea:focus {
  border-color: var(--md-primary);
  box-shadow: 0 0 0 3px rgba(103,80,164,.15);
}
.field .hint { font-size: .75rem; color: var(--md-on-surface-variant); margin-top: 4px; }

/* ── Table ── */
.table-wrap { overflow-x: auto; border-radius: var(--md-radius-md); border: 1px solid var(--md-outline-variant); }
table { width: 100%; border-collapse: collapse; font-size: .875rem; }
thead tr { background: #F3EDF7; }
th { padding: 10px 14px; text-align: left; font-size: .75rem; font-weight: 700; color: var(--md-primary); letter-spacing: .06em; text-transform: uppercase; }
td { padding: 10px 14px; border-top: 1px solid var(--md-outline-variant); color: var(--md-on-surface); vertical-align: middle; }
tr:hover td { background: rgba(103,80,164,.04); }

/* ── Badges / chips ── */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: var(--md-radius-full);
  font-size: .75rem;
  font-weight: 600;
}
.chip-waiting    { background: #FFF8E1; color: #795548; }
.chip-serving    { background: #E8F5E9; color: #1B5E20; animation: pulse-bg 1.5s infinite; }
.chip-done       { background: #E3F2FD; color: #0D47A1; }
.chip-no_show    { background: var(--md-error-container); color: var(--md-error); }
.chip-skipped    { background: #F3E5F5; color: #4A148C; }
.chip-transferred{ background: #E0F7FA; color: #006064; }

@keyframes pulse-bg {
  0%,100% { opacity: 1; }
  50%      { opacity: .7; }
}

/* ── Alert banner ── */
.alert {
  padding: 12px 16px;
  border-radius: var(--md-radius-sm);
  font-size: .9rem;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.alert-error   { background: var(--md-error-container); color: var(--md-error); }
.alert-success { background: #D8F5D0; color: var(--md-success); }
.alert-info    { background: var(--md-primary-container); color: var(--md-on-primary-container); }

/* ── Page header ── */
.page-header { margin-bottom: 20px; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 10px; }
.page-header h1 { font-size: 1.4rem; font-weight: 700; color: var(--md-on-surface); }
.page-header .sub { font-size: .85rem; color: var(--md-on-surface-variant); margin-top: 2px; }

/* ── Queue display hero ── */
.serving-hero {
  background: linear-gradient(135deg, var(--md-primary), #9C27B0);
  color: #fff;
  border-radius: var(--md-radius-xl);
  padding: 28px 20px;
  text-align: center;
  margin-bottom: 16px;
}
.serving-hero .label { font-size: .75rem; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; opacity: .85; }
.serving-hero .number { font-size: 4rem; font-weight: 900; line-height: 1; letter-spacing: 3px; margin: 8px 0; }
.serving-hero .sub    { font-size: .85rem; opacity: .75; }

/* ── My ticket card ── */
.ticket-card {
  background: var(--md-primary-container);
  border-radius: var(--md-radius-xl);
  padding: 24px;
  text-align: center;
  margin-bottom: 16px;
}
.ticket-card .ticket-num { font-size: 3.5rem; font-weight: 900; color: var(--md-primary); line-height: 1; letter-spacing: 2px; }
.ticket-card .ticket-dept { font-size: .85rem; color: var(--md-on-primary-container); margin-top: 6px; }

/* ── Mini stats row ── */
.mini-stats { display: grid; grid-template-columns: repeat(3,1fr); gap: 8px; margin-bottom: 16px; }
.mini-stat { background: var(--md-surface-variant); border-radius: var(--md-radius-md); padding: 10px; text-align: center; }
.mini-stat .value { font-size: 1.4rem; font-weight: 700; color: var(--md-on-surface); }
.mini-stat .label { font-size: .65rem; font-weight: 600; color: var(--md-primary); letter-spacing: .08em; text-transform: uppercase; }

/* ── Queue list ── */
.queue-list { list-style: none; }
.queue-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  border-bottom: 1px solid var(--md-outline-variant);
  gap: 10px;
}
.queue-item:last-child { border-bottom: none; }
.queue-item.is-serving { background: #E8F5E9; }
.queue-item .num { font-weight: 700; font-size: 1rem; min-width: 60px; }
.queue-item .time { font-size: .8rem; color: var(--md-on-surface-variant); }

/* ── Processor action buttons ── */
.action-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 14px; }

/* ── Display board (dark) ── */
body.display-board {
  background: #0A0A0A;
  color: #fff;
  font-family: 'Roboto', sans-serif;
}
.display-header { background: var(--md-secondary); padding: 16px 24px; text-align: center; }
.display-dept   { font-size: 1.2rem; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; }
.display-sys    { font-size: .8rem; opacity: .8; margin-top: 2px; }
.display-body   { padding: 24px; }
.display-serving-label { font-size: .8rem; color: #80CBC4; letter-spacing: 3px; font-weight: 600; text-transform: uppercase; text-align: center; }
.display-number { font-size: clamp(5rem, 18vw, 10rem); font-weight: 900; text-align: center; letter-spacing: 6px; line-height: 1; margin: 12px 0; }
.display-window { display: inline-block; background: var(--md-secondary); border-radius: var(--md-radius-full); padding: 5px 20px; font-size: .85rem; color: #CFF5FA; }
.display-recent-label { font-size: .65rem; color: #80CBC4; letter-spacing: 2px; font-weight: 600; text-transform: uppercase; margin: 20px 0 8px; }
.display-recent { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }
.display-recent-item { background: #1A2A2A; border-radius: var(--md-radius-sm); padding: 10px 18px; text-align: center; }
.display-recent-item .rnum { font-size: 1.6rem; font-weight: 700; color: #bbb; }
.display-recent-item .rstatus { font-size: .65rem; color: #555; }
.display-stats { display: flex; justify-content: space-around; background: #111; border-radius: var(--md-radius-md); padding: 14px; margin: 20px 0; }
.display-stat .dval { font-size: 1.6rem; font-weight: 700; color: #fff; text-align: center; }
.display-stat .dlbl { font-size: .65rem; color: #555; text-transform: uppercase; text-align: center; }
.display-stat .dval.green { color: #8BC34A; }
.display-stat .dval.teal  { color: #80CBC4; }
.display-clock { text-align: center; background: #111; border-radius: var(--md-radius-md); padding: 12px; }
.display-clock .time { font-size: 2rem; font-weight: 300; letter-spacing: 4px; color: #bbb; }
.display-clock .date { font-size: .85rem; color: #555; letter-spacing: 1px; margin-top: 3px; }

/* ── Login page ── */
.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(160deg, #EDE7F6 0%, #E3F2FD 100%);
  padding: 20px;
}
.login-card {
  background: #fff;
  border-radius: var(--md-radius-xl);
  padding: 40px 32px;
  width: 100%;
  max-width: 400px;
  box-shadow: 0 8px 32px rgba(103,80,164,.15);
}
.login-logo { text-align: center; margin-bottom: 28px; }
.login-logo .icon { font-size: 3rem; color: var(--md-primary); }
.login-logo h1 { font-size: 1.4rem; font-weight: 700; color: var(--md-on-surface); margin-top: 8px; }
.login-logo p  { font-size: .85rem; color: var(--md-on-surface-variant); margin-top: 4px; }

/* ── Utility ── */
.text-center { text-align: center; }
.text-muted  { color: var(--md-on-surface-variant); font-size: .85rem; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.gap-2 { gap: 16px; }
.flex { display: flex; align-items: center; }
.flex-between { display: flex; align-items: center; justify-content: space-between; }
.hidden { display: none !important; }

/* ── Toggle switch ── */
.toggle { position: relative; display: inline-flex; align-items: center; gap: 10px; cursor: pointer; }
.toggle input { opacity: 0; width: 0; height: 0; position: absolute; }
.toggle-track {
  width: 44px; height: 24px;
  background: var(--md-outline);
  border-radius: var(--md-radius-full);
  transition: background .2s;
  flex-shrink: 0;
}
.toggle input:checked + .toggle-track { background: var(--md-primary); }
.toggle-thumb {
  position: absolute;
  left: 3px; top: 3px;
  width: 18px; height: 18px;
  background: #fff;
  border-radius: 50%;
  transition: left .2s;
  pointer-events: none;
}
.toggle input:checked ~ .toggle-thumb { left: 23px; }

/* ── Responsive ── */
@media (max-width: 768px) {
  .sidebar { display: none; }
  .main-content { padding: 14px; }
  .stat-grid { grid-template-columns: 1fr 1fr; }
  .action-grid { grid-template-columns: 1fr 1fr; }
  .page-header { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 480px) {
  .stat-grid { grid-template-columns: 1fr; }
  .serving-hero .number { font-size: 3rem; }
}

/* ── Snackbar ── */
#snackbar {
  position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%) translateY(80px);
  background: #323232; color: #fff; padding: 12px 24px; border-radius: var(--md-radius-sm);
  font-size: .9rem; z-index: 9999; transition: transform .3s ease;
  white-space: nowrap; box-shadow: 0 4px 12px rgba(0,0,0,.3);
}
#snackbar.show { transform: translateX(-50%) translateY(0); }

/* ── Mobile nav (bottom) ── */
.bottom-nav {
  display: none;
  position: fixed; bottom: 0; left: 0; right: 0;
  background: #F7F2FA;
  border-top: 1px solid var(--md-outline-variant);
  z-index: 100;
}
@media (max-width: 768px) {
  .bottom-nav { display: flex; }
  body { padding-bottom: 70px; }
}
.bottom-nav-item {
  flex: 1; display: flex; flex-direction: column; align-items: center;
  padding: 8px 4px; text-decoration: none; color: var(--md-on-surface-variant);
  font-size: .65rem; font-weight: 500; gap: 2px;
}
.bottom-nav-item.active { color: var(--md-primary); }
.bottom-nav-item .material-icons-round { font-size: 22px; }