:root {
  --bg: #f6f2ea;
  --paper: #fffdf8;
  --ink: #1c2a2a;
  --muted: #66706d;
  --line: #d9d1c4;
  --brand: #0b6e4f;
  --brand-soft: #dcefe7;
  --accent: #c46b2d;
  --warn: #b23a48;
  --shadow: 0 18px 50px rgba(28, 42, 42, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at top right, rgba(196, 107, 45, 0.12), transparent 26%),
    radial-gradient(circle at bottom left, rgba(11, 110, 79, 0.1), transparent 24%),
    var(--bg);
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

a {
  color: inherit;
  text-decoration: none;
}

.shell {
  display: grid;
  grid-template-columns: 280px 1fr;
  min-height: 100vh;
}

.sidebar {
  padding: 28px 22px;
  background: linear-gradient(180deg, #113d38, #173c3b 70%, #264c48);
  color: #f7f2ea;
  position: sticky;
  top: 0;
  height: 100vh;
}

.brand h1,
.admin-header h1,
.hero h2,
.panel-head h3 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
}

.brand p:last-child {
  color: rgba(247, 242, 234, 0.76);
}

.eyebrow {
  margin: 0 0 8px;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--accent);
}

.nav {
  display: grid;
  gap: 10px;
  margin: 30px 0;
}

.nav a {
  padding: 12px 14px;
  border-radius: 12px;
  color: rgba(247, 242, 234, 0.82);
  transition: 0.2s ease;
}

.nav a:hover,
.nav a.active {
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
}

.sidebar-note {
  margin-top: auto;
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 16px;
  color: rgba(247, 242, 234, 0.75);
}

.content,
.admin-shell {
  padding: 28px;
}

.hero,
.admin-header {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  align-items: flex-start;
  margin-bottom: 24px;
}

.hero-stat {
  min-width: 220px;
  padding: 18px 20px;
  background: linear-gradient(145deg, #fff8ef, #f5e6d6);
  border: 1px solid #efddc9;
  border-radius: 20px;
  box-shadow: var(--shadow);
}

.hero-stat span {
  display: block;
  font-size: 13px;
  color: var(--muted);
}

.hero-stat strong {
  display: block;
  margin-top: 8px;
  font-size: 24px;
}

.muted {
  color: var(--muted);
}

.placeholder-grid,
.booking-layout {
  display: grid;
  gap: 22px;
}

.placeholder-grid {
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  margin-bottom: 22px;
}

.booking-layout {
  grid-template-columns: 420px 1fr;
  align-items: start;
}

.panel,
.placeholder-card {
  background: rgba(255, 253, 248, 0.88);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(217, 209, 196, 0.9);
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.placeholder-card,
.panel {
  padding: 22px;
}

.panel-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
  margin-bottom: 18px;
}

.pill {
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--brand-soft);
  color: var(--brand);
  font-weight: 700;
  font-size: 13px;
}

.booking-form,
.filters {
  display: grid;
  gap: 16px;
}

.field {
  display: grid;
  gap: 8px;
}

label {
  font-weight: 600;
}

input,
select,
textarea,
button {
  font: inherit;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 12px 14px;
  background: #fff;
  color: var(--ink);
}

textarea {
  resize: vertical;
}

.inline-fields {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.primary-btn,
.ghost-btn,
.view-switch button {
  border: none;
  border-radius: 14px;
  padding: 12px 16px;
  cursor: pointer;
  transition: 0.2s ease;
}

.primary-btn {
  background: var(--brand);
  color: white;
  font-weight: 700;
}

.primary-btn:hover {
  background: #095b42;
}

.ghost-btn,
.view-switch button {
  background: #eee5d9;
  color: var(--ink);
}

.ghost-btn:hover,
.view-switch button:hover {
  background: #e2d6c6;
}

.view-switch {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.view-switch button.active {
  background: var(--brand);
  color: white;
}

.board-head {
  align-items: center;
}

.toolbar {
  display: grid;
  gap: 10px;
  justify-items: end;
}

.board-actions {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
  margin-bottom: 18px;
}

.range-label {
  margin-left: auto;
}

.calendar-root {
  min-height: 440px;
}

.timeline-grid {
  display: grid;
  gap: 12px;
}

.timeline-header,
.timeline-body {
  display: grid;
  gap: 12px;
}

.timeline-header {
  grid-template-columns: 64px repeat(var(--days), minmax(180px, 1fr));
}

.timeline-body {
  grid-template-columns: 64px repeat(var(--days), minmax(180px, 1fr));
}

.time-labels {
  position: relative;
  height: 840px;
}

.time-labels span {
  position: absolute;
  left: 0;
  transform: translateY(-50%);
  font-size: 12px;
  color: var(--muted);
}

.day-column {
  position: relative;
  height: 840px;
  border: 1px solid var(--line);
  border-radius: 18px;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(11, 110, 79, 0.03), rgba(11, 110, 79, 0)),
    #fff;
}

.day-column::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(
    to bottom,
    transparent,
    transparent 59px,
    rgba(28, 42, 42, 0.08) 60px
  );
  pointer-events: none;
}

.day-title {
  padding: 12px;
  font-weight: 700;
}

.booking-card {
  position: absolute;
  border-radius: 14px;
  padding: 10px;
  overflow: hidden;
  color: white;
  background: linear-gradient(180deg, #0b6e4f, #15845e);
  box-shadow: 0 10px 20px rgba(11, 110, 79, 0.18);
  cursor: pointer;
}

.booking-card p {
  margin: 0 0 4px;
  font-size: 12px;
}

.booking-card strong {
  display: block;
  margin-bottom: 4px;
  font-size: 14px;
}

.booking-card small {
  display: block;
  opacity: 0.9;
}

.month-grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 10px;
}

.month-cell {
  min-height: 140px;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 12px;
  background: #fff;
}

.month-cell.is-faded {
  opacity: 0.45;
}

.month-cell .date-label {
  font-weight: 700;
  margin-bottom: 8px;
}

.month-item {
  margin-top: 8px;
  padding: 8px 10px;
  border-radius: 12px;
  background: #f1f7f3;
  border: 1px solid #d1e5d8;
  font-size: 12px;
  cursor: pointer;
}

.booking-list {
  display: grid;
  gap: 14px;
}

.diagnostics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
}

.diagnostic-card {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #fff;
  padding: 14px;
}

.diagnostic-card h4,
.diagnostic-card p {
  margin: 0 0 6px;
}

.diagnostic-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
}

.diagnostic-status::before {
  content: "";
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: #b8b8b8;
}

.diagnostic-card.ok .diagnostic-status::before {
  background: #0b6e4f;
}

.diagnostic-card.error .diagnostic-status::before {
  background: #b23a48;
}

.diagnostic-card.loading .diagnostic-status::before {
  background: #c46b2d;
}

.diagnostic-meta {
  color: var(--muted);
  font-size: 13px;
  word-break: break-word;
}

.list-item {
  padding: 16px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: #fff;
}

.list-item h4,
.list-item p {
  margin: 0 0 6px;
}

.search-results {
  display: grid;
  gap: 6px;
}

.search-option,
.selected-chip {
  padding: 10px 12px;
  border-radius: 12px;
  border: 1px solid var(--line);
  background: #fff;
}

.search-option {
  cursor: pointer;
}

.search-option:hover {
  border-color: var(--brand);
}

.selected-chip.empty,
.empty-state {
  color: var(--muted);
}

.slot-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.slot-btn {
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  cursor: pointer;
}

.slot-btn.active {
  border-color: var(--brand);
  background: var(--brand-soft);
  color: var(--brand);
}

.slot-tip,
.message {
  color: var(--muted);
}

.message.error {
  color: var(--warn);
}

.message.success {
  color: var(--brand);
}

.hidden {
  display: none;
}

.detail-dialog {
  border: none;
  border-radius: 24px;
  padding: 22px;
  width: min(520px, calc(100vw - 32px));
}

.detail-dialog::backdrop {
  background: rgba(20, 26, 26, 0.34);
}

.admin-panel {
  padding: 22px;
}

.filters {
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  align-items: end;
}

.table-wrap {
  overflow: auto;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 980px;
}

.admin-table th,
.admin-table td {
  text-align: left;
  padding: 12px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

.link-btn {
  display: inline-flex;
  align-items: center;
}

@media (max-width: 1100px) {
  .shell {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: relative;
    height: auto;
  }

  .booking-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .content,
  .admin-shell {
    padding: 16px;
  }

  .hero,
  .admin-header,
  .panel-head,
  .board-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .toolbar,
  .range-label {
    justify-items: stretch;
    margin-left: 0;
  }

  .slot-grid,
  .inline-fields {
    grid-template-columns: 1fr;
  }

  .timeline-header,
  .timeline-body {
    grid-template-columns: 52px repeat(var(--days), minmax(200px, 1fr));
    overflow-x: auto;
  }
}