:root {
  --bg: #f5f1ea;
  --panel: #fffdf8;
  --panel-soft: #faf6ee;
  --ink: #172033;
  --muted: #687187;
  --line: rgba(23, 32, 51, 0.13);
  --blue: #176bff;
  --blue-soft: #e8f1ff;
  --green: #16795b;
  --green-soft: #e2f3ec;
  --amber: #a86013;
  --amber-soft: #fff0d9;
  --rose: #a34555;
  --rose-soft: #fae7ea;
  --shadow: 0 18px 50px rgba(23, 32, 51, 0.09);
  --max: 1240px;
}

* { box-sizing: border-box; }

[hidden] { display: none !important; }

html { background: var(--bg); }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family: Pretendard, Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.42), transparent 260px),
    var(--bg);
  -webkit-font-smoothing: antialiased;
}

button,
input {
  font: inherit;
}

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

.app-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: min(var(--max), calc(100% - 32px));
  margin: 0 auto;
  min-height: 66px;
  border-bottom: 1px solid var(--line);
  background: rgba(245, 241, 234, 0.88);
  backdrop-filter: blur(14px);
}

.brand,
.header-nav {
  display: inline-flex;
  align-items: center;
}

.brand {
  gap: 10px;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.brand-mark {
  border-radius: 8px;
}

.header-nav {
  gap: 4px;
}

.header-nav a {
  min-height: 34px;
  padding: 7px 12px;
  border-radius: 999px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 800;
}

.header-nav a[aria-current="page"] {
  color: var(--blue);
  background: var(--blue-soft);
}

.dashboard-shell {
  width: min(var(--max), calc(100% - 32px));
  margin: 0 auto;
  padding: 30px 0 48px;
}

.dashboard-top,
.calendar-toolbar,
.dashboard-grid {
  display: grid;
  gap: 16px;
}

.dashboard-top {
  grid-template-columns: minmax(0, 1fr) minmax(270px, 360px);
  align-items: end;
  margin-bottom: 18px;
}

.eyebrow,
.panel-kicker {
  margin: 0 0 8px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 10px;
  font-size: clamp(34px, 4vw, 54px);
  line-height: 1.04;
  letter-spacing: -0.04em;
}

.top-copy {
  max-width: 620px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.62;
}

.sync-panel,
.calendar-toolbar,
.agenda-panel,
.calendar-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.sync-panel {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  min-height: 76px;
  padding: 14px;
}

.sync-panel strong,
.sync-panel small {
  display: block;
}

.sync-panel small {
  margin-top: 2px;
  color: var(--muted);
}

.sync-dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 5px var(--green-soft);
}

.sync-dot.is-fallback {
  background: var(--amber);
  box-shadow: 0 0 0 5px var(--amber-soft);
}

.icon-button,
.tool-button,
.view-tab {
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  cursor: pointer;
}

.icon-button {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  font-weight: 900;
}

.calendar-toolbar {
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  padding: 12px;
  margin-bottom: 16px;
}

.calendar-toolbar h2 {
  margin: 0;
  text-align: center;
  font-size: 20px;
  letter-spacing: -0.03em;
}

.date-controls,
.view-switch {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.tool-button,
.view-tab {
  min-height: 36px;
  border-radius: 999px;
  padding: 0 13px;
  font-weight: 850;
}

.tool-button:hover,
.view-tab:hover,
.icon-button:hover {
  border-color: rgba(23, 107, 255, 0.35);
}

.view-tab.is-active {
  border-color: var(--blue);
  color: #fff;
  background: var(--blue);
}

.dashboard-grid {
  grid-template-columns: minmax(260px, 330px) minmax(0, 1fr);
  align-items: start;
}

.agenda-panel,
.calendar-panel {
  min-height: 640px;
}

.agenda-panel {
  padding: 18px;
}

.panel-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: start;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}

.panel-head h2 {
  margin: 0;
  font-size: 22px;
  letter-spacing: -0.035em;
}

.panel-head span {
  padding: 6px 10px;
  border-radius: 999px;
  color: var(--blue);
  background: var(--blue-soft);
  font-size: 13px;
  font-weight: 900;
}

.focus-block {
  margin: 16px 0;
  padding: 14px;
  border-radius: 8px;
  background: linear-gradient(135deg, var(--blue-soft), #fff);
  border: 1px solid rgba(23, 107, 255, 0.16);
}

.focus-block p,
.focus-block small,
.event-card small,
.day-meta {
  color: var(--muted);
}

.focus-block p {
  margin-bottom: 6px;
  font-size: 13px;
  font-weight: 900;
}

.focus-block strong,
.focus-block small {
  display: block;
}

.focus-block strong {
  margin-bottom: 4px;
  line-height: 1.35;
}

.agenda-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.event-card {
  display: grid;
  gap: 5px;
  padding: 12px;
  border: 1px solid var(--line);
  border-left: 5px solid var(--blue);
  border-radius: 8px;
  background: #fff;
}

.event-card[data-tone="green"] { border-left-color: var(--green); }
.event-card[data-tone="amber"] { border-left-color: var(--amber); }
.event-card[data-tone="rose"] { border-left-color: var(--rose); }

.event-card strong {
  font-size: 14px;
  line-height: 1.32;
}

.event-card small {
  font-size: 12px;
  line-height: 1.4;
}

.empty-state {
  padding: 18px 12px;
  border: 1px dashed var(--line);
  border-radius: 8px;
  color: var(--muted);
  text-align: center;
  font-weight: 750;
}

.calendar-panel {
  padding: 16px;
  overflow: hidden;
}

.calendar-month {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 8px;
}

.weekday {
  padding: 6px 8px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
  text-align: center;
}

.month-day {
  min-height: 116px;
  padding: 9px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.month-day.is-outside {
  opacity: 0.44;
  background: var(--panel-soft);
}

.month-day.is-today {
  border-color: rgba(23, 107, 255, 0.65);
  box-shadow: inset 0 0 0 1px rgba(23, 107, 255, 0.35);
}

.day-number {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 8px;
  font-size: 13px;
  font-weight: 900;
}

.event-pill {
  display: block;
  width: 100%;
  margin-top: 5px;
  padding: 5px 7px;
  border: 0;
  border-radius: 6px;
  background: var(--blue-soft);
  color: var(--blue);
  font-size: 12px;
  font-weight: 850;
  text-align: left;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.event-pill[data-tone="green"] {
  color: var(--green);
  background: var(--green-soft);
}

.event-pill[data-tone="amber"] {
  color: var(--amber);
  background: var(--amber-soft);
}

.event-pill[data-tone="rose"] {
  color: var(--rose);
  background: var(--rose-soft);
}

.more-pill {
  margin-top: 6px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

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

.week-row,
.day-row {
  display: grid;
  grid-template-columns: 82px minmax(0, 1fr);
  min-height: 72px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  overflow: hidden;
}

.time-cell {
  padding: 12px;
  border-right: 1px solid var(--line);
  background: var(--panel-soft);
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
}

.slot-cell {
  display: grid;
  gap: 8px;
  align-content: start;
  padding: 10px;
}

.week-heading {
  display: grid;
  grid-template-columns: 82px repeat(7, minmax(0, 1fr));
  gap: 8px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
}

.week-grid-row {
  display: grid;
  grid-template-columns: 82px repeat(7, minmax(0, 1fr));
  gap: 8px;
}

.week-day-cell {
  min-height: 78px;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.week-day-cell.is-today {
  border-color: rgba(23, 107, 255, 0.65);
}

@media (max-width: 980px) {
  .dashboard-top,
  .dashboard-grid {
    grid-template-columns: 1fr;
  }

  .agenda-panel,
  .calendar-panel {
    min-height: auto;
  }
}

@media (max-width: 760px) {
  .app-header,
  .dashboard-shell {
    width: min(100% - 20px, var(--max));
  }

  .calendar-toolbar {
    grid-template-columns: 1fr;
    justify-items: stretch;
  }

  .calendar-toolbar h2 {
    text-align: left;
  }

  .date-controls,
  .view-switch {
    width: 100%;
  }

  .tool-button,
  .view-tab {
    flex: 1;
  }

  .calendar-month {
    gap: 5px;
  }

  .weekday {
    padding-inline: 2px;
    font-size: 11px;
  }

  .month-day {
    min-height: 86px;
    padding: 6px;
  }

  .event-pill {
    padding-inline: 5px;
    font-size: 11px;
  }

  .week-heading,
  .week-grid-row {
    grid-template-columns: 1fr;
  }

  .week-heading .time-cell,
  .week-grid-row .time-cell {
    display: none;
  }
}