:root {
  color-scheme: light;
  --bg: #f6f7f4;
  --panel: #ffffff;
  --ink: #1d2520;
  --muted: #69736c;
  --line: #d9ded8;
  --accent: #176b5b;
  --accent-strong: #0d4f43;
  --gold: #b7791f;
  --danger: #b42318;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--ink);
  font-family: Arial, "Noto Sans KR", sans-serif;
}

body.telegram-webapp {
  background: var(--panel);
}

body.telegram-webapp .app-header {
  position: sticky;
  top: 0;
  z-index: 5;
}

body.telegram-webapp .layout {
  padding: 10px;
}

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

button {
  min-height: 38px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--panel);
  color: var(--ink);
  cursor: pointer;
}

button:hover {
  border-color: var(--accent);
}

.primary {
  border-color: var(--accent);
  background: var(--accent);
  color: #fff;
}

.danger {
  border-color: #f0b8b2;
  color: var(--danger);
}

.icon-button {
  width: 40px;
  font-size: 24px;
  line-height: 1;
}

.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  border-bottom: 1px solid var(--line);
  background: var(--panel);
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-size: 24px;
}

h2 {
  font-size: 18px;
}

#periodLabel {
  margin-top: 5px;
  color: var(--muted);
}

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

.layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 18px;
  padding: 18px;
}

.calendar-shell,
.detail-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.calendar-shell {
  min-width: 0;
  overflow: hidden;
}

.tabs {
  display: flex;
  gap: 6px;
  padding: 12px;
}

.tabs button {
  min-width: 84px;
}

.tabs .active {
  border-color: var(--accent);
  background: #e5f2ee;
  color: var(--accent-strong);
}

.filters {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 12px;
}

.filters label {
  max-width: 280px;
}

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

.weekday,
.day-cell {
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.weekday {
  padding: 10px;
  background: #f9faf8;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
  text-align: center;
}

.day-cell {
  min-height: 118px;
  padding: 8px;
  background: #fff;
  text-align: left;
}

.day-cell.outside {
  background: #f7f8f6;
  color: #a5aca7;
}

.day-cell.today {
  outline: 2px solid var(--gold);
  outline-offset: -2px;
}

.day-cell.holiday .date-number,
.week-day.holiday h3 {
  color: var(--danger);
}

.day-cell.selected {
  background: #eef8f5;
}

.date-number {
  display: block;
  margin-bottom: 8px;
  font-weight: 700;
}

.event-chip {
  display: block;
  width: 100%;
  margin-top: 4px;
  overflow: hidden;
  border-radius: 5px;
  background: #e8f0ec;
  padding: 4px 6px;
  color: var(--accent-strong);
  font-size: 12px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.holiday-chip {
  display: block;
  width: 100%;
  margin-top: 4px;
  overflow: hidden;
  border-radius: 5px;
  background: #fff0ed;
  padding: 4px 6px;
  color: var(--danger);
  font-size: 12px;
  font-weight: 700;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.week-list {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  min-height: 560px;
}

.week-day {
  border-right: 1px solid var(--line);
  padding: 12px;
}

.week-day.today {
  background: #fffaf0;
}

.week-day h3 {
  margin: 0 0 12px;
  font-size: 14px;
}

.week-event {
  margin-bottom: 8px;
  border-left: 3px solid var(--accent);
  border-radius: 5px;
  background: #f3f8f6;
  padding: 8px;
  cursor: pointer;
}

.week-event.holiday-event,
.schedule-item.holiday-item {
  border-color: #f0b8b2;
  background: #fff7f5;
}

.week-event.holiday-event {
  border-left-color: var(--danger);
  cursor: default;
}

.detail-panel {
  padding: 16px;
}

.schedule-list {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

.schedule-item {
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px;
  background: #fff;
}

.schedule-item strong {
  display: block;
  margin-bottom: 5px;
}

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

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-top: 7px;
}

.tag-chip {
  border-radius: 999px;
  background: var(--tag-bg, #fff4df);
  padding: 3px 7px;
  color: var(--tag-color, #80560f);
  font-size: 12px;
  font-weight: 700;
  line-height: 1.3;
}

.form-error {
  min-height: 18px;
  color: var(--danger);
  font-size: 13px;
}

dialog {
  width: min(520px, calc(100vw - 24px));
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0;
}

dialog::backdrop {
  background: rgb(0 0 0 / 35%);
}

form {
  display: grid;
  gap: 14px;
  padding: 18px;
}

label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px;
  color: var(--ink);
  font-weight: 400;
}

select {
  background: #fff;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.recurrence-options {
  display: grid;
  gap: 12px;
}

.recurrence-options label[hidden] {
  display: none;
}

menu {
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  gap: 8px;
  margin: 0;
  padding: 0;
}

.location-list {
  display: grid;
  gap: 8px;
  max-height: 320px;
  overflow: auto;
}

.location-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 8px auto auto;
  gap: 8px;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 8px;
}

.location-row strong {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

@media (max-width: 900px) {
  .app-header,
  .header-actions {
    align-items: stretch;
    flex-wrap: wrap;
  }

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

  .week-list {
    grid-template-columns: 1fr;
    min-height: 0;
  }

  .week-day {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }
}

@media (max-width: 640px) {
  .app-header {
    padding: 16px;
  }

  .layout {
    padding: 10px;
  }

  .month-grid {
    font-size: 13px;
  }

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

  .event-chip {
    padding: 3px 4px;
  }
}