:root {
  color-scheme: light;
  --bg: #0b1220;
  --panel: #0f1b33;
  --muted: #9fb0d0;
  --text: #e8eefc;
  --line: rgba(255, 255, 255, 0.08);
  --btn: #2b5cff;
  --btn2: #1a2f63;
  --danger: #d84b4b;
  --ok: #2ac769;
  --warn: #e7b416;
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Noto Sans Thai",
    "Noto Sans", sans-serif;
  background: radial-gradient(1200px 600px at 20% 0%, #132b5b 0%, var(--bg) 50%, #070b14 100%);
  color: var(--text);
}

.topbar {
  display: flex;
  gap: 16px;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  border-bottom: 1px solid var(--line);
  background: rgba(6, 10, 18, 0.8);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand__title {
  font-weight: 700;
  letter-spacing: 0.2px;
  font-size: 14px;
  white-space: nowrap;
}

.brand__meta {
  font-size: 12px;
  color: var(--muted);
}

.session {
  display: grid;
  grid-template-columns: 120px 90px 160px 160px 140px;
  gap: 10px;
  align-items: end;
}

.field {
  display: grid;
  gap: 6px;
}

.field__label {
  font-size: 12px;
  color: var(--muted);
}

.input {
  width: 100%;
  padding: 9px 10px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: rgba(15, 27, 51, 0.8);
  color: var(--text);
  outline: none;
}

.input:focus {
  border-color: rgba(43, 92, 255, 0.7);
  box-shadow: 0 0 0 3px rgba(43, 92, 255, 0.18);
}

.btn {
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--btn2);
  color: var(--text);
  cursor: pointer;
  font-weight: 600;
}

.btn--primary {
  background: var(--btn);
  border-color: rgba(43, 92, 255, 0.35);
}

.btn--danger {
  background: rgba(216, 75, 75, 0.2);
  border-color: rgba(216, 75, 75, 0.35);
}

.btn:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.nav {
  display: flex;
  gap: 10px;
  padding: 10px 18px;
  border-bottom: 1px solid var(--line);
  background: rgba(15, 27, 51, 0.55);
}

.nav__link {
  text-decoration: none;
  color: var(--text);
  padding: 8px 10px;
  border-radius: 10px;
  border: 1px solid transparent;
}

.nav__link:hover {
  border-color: var(--line);
  background: rgba(15, 27, 51, 0.7);
}

.main {
  padding: 12px;
  max-width: 1400px;
  margin: 0 auto;
}

.grid {
  display: grid;
  gap: 14px;
}

.grid--2 {
  grid-template-columns: 1fr 1fr;
}

.grid--3 {
  grid-template-columns: 1fr 1fr 1fr;
}

.card {
  border: 1px solid var(--line);
  background: rgba(15, 27, 51, 0.65);
  border-radius: 14px;
  padding: 14px;
}

.metric {
  padding: 12px 14px;
}

.metric__label {
  color: var(--muted);
  font-size: 12px;
}

.metric__value {
  font-size: 26px;
  font-weight: 800;
  margin-top: 6px;
}

.card__title {
  font-weight: 700;
  margin: 0 0 10px 0;
}

.row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
}

.row--nowrap {
  flex-wrap: nowrap;
}

.row--nowrap .input {
  width: auto;
  flex: 1 1 auto;
  min-width: 220px;
}

.row--between {
  justify-content: space-between;
}

.actions {
  display: flex;
  gap: 8px;
  flex-wrap: nowrap;
  align-items: center;
}

.actions .btn {
  padding: 8px 10px;
}

.actions .input {
  width: auto;
  min-width: 180px;
}

.toolbar {
  display: flex;
  gap: 10px;
  flex-wrap: nowrap;
  align-items: center;
}

.toolbar .input {
  flex: 1 1 auto;
  min-width: 220px;
}

.toolbar .btn {
  padding: 9px 10px;
}

.queuebar .input {
  flex: 1 1 auto;
  min-width: 220px;
}

.queuebar .btn {
  padding: 9px 10px;
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

.table th,
.table td {
  padding: 10px 8px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

.table th {
  text-align: left;
  color: var(--muted);
  font-weight: 600;
  font-size: 12px;
}

.due {
  font-weight: 700;
}

.due--ok {
  color: var(--ok);
}

.due--soon {
  color: var(--warn);
}

.due--today {
  color: var(--danger);
}

.due--overdue {
  color: var(--danger);
  animation: dueBlink 0.9s steps(2, end) infinite;
}

@keyframes dueBlink {
  50% {
    opacity: 0.25;
  }
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 8px;
  border-radius: 999px;
  font-size: 12px;
  border: 1px solid var(--line);
  background: rgba(0, 0, 0, 0.2);
}

.pill--ok {
  border-color: rgba(42, 199, 105, 0.35);
}

.pill--warn {
  border-color: rgba(231, 180, 22, 0.35);
}

.pill--danger {
  border-color: rgba(216, 75, 75, 0.35);
}

.muted {
  color: var(--muted);
  font-size: 12px;
}

.toast {
  position: fixed;
  right: 16px;
  bottom: 16px;
  max-width: 520px;
  border-radius: 12px;
  padding: 12px 12px;
  border: 1px solid var(--line);
  background: rgba(6, 10, 18, 0.92);
  backdrop-filter: blur(10px);
}

.toast__title {
  font-weight: 700;
  margin-bottom: 6px;
}

.toast__body {
  color: var(--muted);
  font-size: 13px;
  white-space: pre-wrap;
}

.mono {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  font-size: 12px;
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 90px 12px 24px;
}

.modal[hidden] {
  display: none;
}

.modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(3px);
}

.modal__card {
  position: relative;
  width: 100%;
  max-width: 780px;
}

@media (max-width: 980px) {
  .session {
    grid-template-columns: 1fr 1fr;
  }
  .grid--2 {
    grid-template-columns: 1fr;
  }

  .grid--3 {
    grid-template-columns: 1fr;
  }
}