:root {
  --bg: var(--tg-theme-bg-color, #f2f2f7);
  --text: var(--tg-theme-text-color, #111);
  --hint: var(--tg-theme-hint-color, #8e8e93);
  --link: var(--tg-theme-link-color, #007aff);
  --button: var(--tg-theme-button-color, #007aff);
  --button-text: var(--tg-theme-button-text-color, #fff);
  --card-bg: var(--tg-theme-secondary-bg-color, #fff);
  --danger: #ff3b30;
  --success: #34c759;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 15px;
}

.hidden { display: none !important; }

.screen { display: flex; align-items: center; justify-content: center; min-height: 100vh; padding: 16px; }

header {
  position: sticky;
  top: 0;
  background: var(--bg);
  z-index: 10;
  padding: 12px 16px 0;
}

header h1 { font-size: 18px; margin: 0 0 10px; }

#tabs {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding-bottom: 10px;
  -webkit-overflow-scrolling: touch;
}

.tab {
  flex: 0 0 auto;
  border: none;
  background: var(--card-bg);
  color: var(--text);
  padding: 8px 14px;
  border-radius: 16px;
  font-size: 13px;
  white-space: nowrap;
  cursor: pointer;
}

.tab.active { background: var(--button); color: var(--button-text); }

main { padding: 12px 16px 32px; max-width: 720px; margin: 0 auto; }

.tab-panel { display: none; }
.tab-panel.active { display: block; }

.card {
  background: var(--card-bg);
  border-radius: 14px;
  padding: 16px;
  margin-bottom: 12px;
}

.card h2 { margin: 0 0 10px; font-size: 16px; }
.card h3 { margin: 0 0 10px; font-size: 14px; color: var(--hint); text-transform: uppercase; letter-spacing: .3px; }

.row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 0;
}

.field { display: block; margin-bottom: 12px; }
.field span { display: block; font-size: 13px; color: var(--hint); margin-bottom: 4px; }

input[type=text], input[type=time], input[type=date], input[type=number], select, textarea {
  width: 100%;
  padding: 10px;
  border: 1px solid rgba(120,120,128,0.25);
  border-radius: 10px;
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
}

textarea { resize: vertical; font-family: inherit; }

input[type=checkbox] { width: 22px; height: 22px; }

.btn {
  display: block;
  width: 100%;
  padding: 12px;
  border: none;
  border-radius: 10px;
  background: rgba(120,120,128,0.16);
  color: var(--text);
  font-size: 15px;
  font-weight: 500;
  margin-top: 8px;
  cursor: pointer;
}

.btn.primary { background: var(--button); color: var(--button-text); }
.btn.danger { background: var(--danger); color: #fff; }

.hint { font-size: 12px; color: var(--hint); margin: 8px 0 0; white-space: pre-line; }

.status-line { display: flex; justify-content: space-between; padding: 4px 0; font-size: 14px; }
.status-line .label { color: var(--hint); }
.badge { padding: 2px 8px; border-radius: 8px; font-size: 12px; }
.badge.ok { background: rgba(52,199,89,0.15); color: var(--success); }
.badge.off { background: rgba(142,142,147,0.15); color: var(--hint); }
.badge.err { background: rgba(255,59,48,0.15); color: var(--danger); }

.ad-card, .run-card, .change-row {
  background: var(--card-bg);
  border-radius: 12px;
  padding: 12px 14px;
  margin-bottom: 10px;
  font-size: 14px;
}

.ad-card-header, .run-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
}

.ad-card-header b, .run-card-header b { font-size: 14px; }

.pill { font-size: 11px; padding: 2px 6px; border-radius: 6px; background: rgba(120,120,128,0.16); margin-right: 4px; }

.sub-tabs { display: flex; gap: 8px; }
.sub-tab {
  flex: 1;
  border: none;
  padding: 8px;
  border-radius: 8px;
  background: rgba(120,120,128,0.12);
  color: var(--text);
  cursor: pointer;
}
.sub-tab.active { background: var(--button); color: var(--button-text); }

.summary-text {
  white-space: pre-wrap;
  font-size: 13px;
  background: var(--bg);
  padding: 10px;
  border-radius: 8px;
  margin-top: 8px;
  max-height: 300px;
  overflow-y: auto;
}

.modal {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.4);
  display: flex;
  align-items: flex-end;
  justify-content: center;
  z-index: 100;
}

.modal-content {
  background: var(--bg);
  width: 100%;
  max-width: 500px;
  max-height: 92vh;
  overflow-y: auto;
  border-radius: 16px 16px 0 0;
  padding: 16px;
}

.modal-actions { display: flex; gap: 8px; margin-top: 12px; }
.modal-actions .btn { margin-top: 0; }

.weekday-picker { display: flex; gap: 6px; flex-wrap: wrap; }
.weekday-picker button {
  border: none;
  padding: 8px 10px;
  border-radius: 8px;
  background: rgba(120,120,128,0.16);
  color: var(--text);
  cursor: pointer;
}
.weekday-picker button.selected { background: var(--button); color: var(--button-text); }

.spinner { text-align: center; padding: 20px; color: var(--hint); }