:root {
  color-scheme: light;
  --ink: #07111f;
  --muted: #64748b;
  --line: #e2e8f0;
  --panel: #ffffff;
  --page: #f7fbff;
  --blue: #0866f5;
  --blue-strong: #0051d4;
  --blue-pale: #eef7ff;
  --green: #168553;
  --amber: #a16207;
  --shadow: 0 18px 44px rgba(15, 65, 120, 0.09);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  grid-template-columns: 286px minmax(0, 1fr);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: linear-gradient(180deg, #ffffff 0%, var(--page) 100%);
  color: var(--ink);
}

button {
  font: inherit;
  border: 0;
  cursor: pointer;
}

.merchant-sidebar {
  min-height: 100vh;
  border-right: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.96);
  padding: 24px 18px;
  box-shadow: 14px 0 34px rgba(15, 65, 120, 0.05);
}

.merchant-brand {
  display: grid;
  gap: 10px;
  margin-bottom: 24px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.merchant-brand img {
  width: min(210px, 100%);
}

.merchant-brand small,
.eyebrow,
.meta {
  color: var(--muted);
  font-size: 12px;
}

.merchant-nav {
  display: grid;
  gap: 16px;
}

.merchant-nav section {
  display: grid;
  gap: 8px;
}

.merchant-nav h2 {
  margin: 0;
  padding: 0 12px;
  color: var(--ink);
  font-size: 13px;
}

.nav-item {
  position: relative;
  min-height: 42px;
  width: 100%;
  border-radius: 8px;
  background: transparent;
  color: var(--ink);
  text-align: left;
  padding: 0 12px 0 34px;
  font-weight: 750;
}

.nav-item::before {
  content: "";
  position: absolute;
  left: 14px;
  top: 50%;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #cbd5e1;
  transform: translateY(-50%);
}

.nav-item.active {
  background: var(--blue-pale);
  color: var(--blue-strong);
}

.nav-item.active::before {
  background: var(--blue);
  box-shadow: 0 0 0 4px rgba(8, 102, 245, 0.16);
}

.merchant-main {
  min-width: 0;
  padding: 30px 34px 44px;
}

.merchant-topbar,
.calendar-toolbar,
.calendar-shell,
.panel-grid {
  display: grid;
  gap: 16px;
}

.merchant-topbar {
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  margin-bottom: 22px;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 0;
  font-size: 32px;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 10px;
  font-size: 18px;
}

h3 {
  margin-bottom: 6px;
}

p {
  color: var(--muted);
  line-height: 1.5;
}

.status-pill,
.badge {
  border-radius: 999px;
  padding: 7px 10px;
  background: #eff6ff;
  color: var(--blue-strong);
  font-size: 12px;
  font-weight: 750;
  white-space: nowrap;
}

.view {
  display: none;
}

.view.active {
  display: block;
}

.summary-grid,
.card-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.summary-grid.compact {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.panel-grid,
.calendar-shell {
  grid-template-columns: minmax(0, 1fr) 340px;
  margin-top: 16px;
}

.panel,
.summary-card,
.item-card,
.table-row,
.calendar-cell {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.panel,
.summary-card,
.item-card,
.table-row {
  padding: 18px;
}

.summary-card strong {
  display: block;
  margin: 8px 0 4px;
  color: var(--blue-strong);
  font-size: 26px;
}

.list-stack,
.table-stack {
  display: grid;
  gap: 10px;
}

.table-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  box-shadow: none;
}

.table-row p {
  margin-bottom: 0;
}

.calendar-toolbar {
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
}

.segment-control {
  display: flex;
  gap: 6px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.segment-control button {
  min-height: 34px;
  border-radius: 7px;
  padding: 0 12px;
  background: transparent;
  color: var(--muted);
  font-weight: 750;
}

.segment-control button.active {
  background: var(--blue);
  color: #ffffff;
}

.calendar-grid {
  display: grid;
  gap: 10px;
}

.calendar-grid.month {
  grid-template-columns: repeat(7, minmax(0, 1fr));
}

.calendar-grid.year {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.calendar-cell {
  min-height: 112px;
  padding: 12px;
  box-shadow: none;
}

.calendar-event {
  margin-top: 8px;
  padding: 8px;
  border-left: 4px solid var(--event-color, var(--blue));
  border-radius: 7px;
  background: var(--blue-pale);
  color: var(--ink);
  font-size: 12px;
}

.calendar-event.booked {
  border-color: var(--event-color, var(--green));
  background: #e8f5ef;
}

.time-grid {
  min-width: 880px;
  gap: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.time-grid-corner,
.time-grid-header,
.time-grid-label,
.time-grid-cell {
  min-height: 46px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: #ffffff;
}

.time-grid-corner,
.time-grid-header {
  position: sticky;
  top: 0;
  z-index: 2;
  min-height: 58px;
  background: #f8fbff;
}

.time-grid-header {
  display: grid;
  place-items: center;
  align-content: center;
  gap: 2px;
  padding: 8px;
}

.time-grid-header span,
.resource-filter small {
  color: var(--muted);
  font-size: 12px;
}

.time-grid-label {
  display: grid;
  place-items: start end;
  padding: 8px 10px;
  color: var(--muted);
  font-size: 12px;
  background: #f8fbff;
}

.time-grid-cell {
  min-height: 46px;
  padding: 4px;
  background-image: linear-gradient(90deg, rgba(8, 102, 245, 0.03), rgba(8, 102, 245, 0));
}

.calendar-panel {
  overflow-x: auto;
}

.calendar-panel .time-grid .calendar-event {
  min-height: 38px;
  margin-top: 0;
  padding: 6px 8px;
  box-shadow: none;
}

.event-tabs {
  display: grid;
  gap: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.event-cover {
  display: grid;
  gap: 2px;
  padding: 7px 9px;
  border-bottom: 1px solid var(--line);
  background: #f8fbff;
}

.event-cover strong {
  color: var(--ink);
  font-size: 13px;
}

.event-cover span {
  color: var(--muted);
  font-size: 11px;
  font-weight: 750;
}

.event-tab-strip {
  display: flex;
  align-items: end;
  gap: 3px;
  min-height: 18px;
  overflow-x: auto;
  padding: 6px 6px 0;
}

.event-tab-strip button {
  min-width: 72px;
  max-width: 112px;
  overflow: hidden;
  border: 1px solid var(--event-color, var(--blue));
  border-bottom: 0;
  border-radius: 7px 7px 0 0;
  padding: 3px 7px;
  background: #f8fbff;
  color: var(--event-color, var(--blue-strong));
  font-size: 11px;
  font-weight: 750;
  line-height: 1.2;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.event-tab-strip button.active {
  background: var(--event-color, var(--blue));
  color: #ffffff;
}

.event-tab-detail {
  background: #ffffff;
}

.event-tab-pane {
  display: none;
}

.event-tab-pane.active {
  display: block;
}

.event-tab-pane .calendar-event {
  border: 0;
  border-top: 1px solid var(--event-color, var(--blue));
  border-left: 4px solid var(--event-color, var(--blue));
  border-radius: 0;
  background: var(--blue-pale);
}

.resource-filter {
  display: grid;
  grid-template-columns: 18px 12px minmax(0, 1fr);
  gap: 10px;
  align-items: center;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #ffffff;
}

.resource-filter input {
  width: 16px;
  height: 16px;
  accent-color: var(--blue);
}

.resource-filter strong,
.resource-filter small {
  display: block;
}

.resource-dot {
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: var(--event-color, var(--blue));
}

.empty-state {
  padding: 18px;
  border-radius: 8px;
  background: #f8fafc;
  color: var(--muted);
}

@media (max-width: 980px) {
  body,
  .merchant-topbar,
  .calendar-toolbar,
  .panel-grid,
  .calendar-shell,
  .summary-grid,
  .summary-grid.compact,
  .card-grid {
    grid-template-columns: 1fr;
  }

  .merchant-sidebar {
    min-height: auto;
  }

  .calendar-grid.week,
  .calendar-grid.month,
  .calendar-grid.year {
    grid-template-columns: 1fr;
  }

  .time-grid {
    min-width: 760px;
  }
}