:root {
  --bg: var(--tg-theme-bg-color, #ffffff);
  --secondary-bg: var(--tg-theme-secondary-bg-color, #f2f2f7);
  --text: var(--tg-theme-text-color, #1c1c1e);
  --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, #ffffff);
  --section-bg: var(--tg-theme-section-bg-color, #ffffff);
  --danger: #ff3b30;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: var(--tg-theme-bg-color, #1c1c1e);
    --secondary-bg: var(--tg-theme-secondary-bg-color, #000000);
    --text: var(--tg-theme-text-color, #ffffff);
    --hint: var(--tg-theme-hint-color, #98989e);
    --section-bg: var(--tg-theme-section-bg-color, #2c2c2e);
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--secondary-bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  -webkit-tap-highlight-color: transparent;
}

.topbar {
  padding: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.topbar h1 {
  margin: 0;
  font-size: 20px;
}
.sort-control {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--hint);
}
.sort-control select {
  font-size: 12px;
  padding: 6px 8px;
  border-radius: 8px;
  border: 1px solid var(--secondary-bg);
  background: var(--secondary-bg);
  color: var(--text);
}

.topbar-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.icon-btn {
  width: 34px;
  height: 34px;
  border-radius: 10px;
  border: none;
  background: var(--secondary-bg);
  font-size: 16px;
  line-height: 1;
  color: var(--text);
}
.icon-btn-labeled {
  width: auto;
  height: auto;
  padding: 8px 12px;
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
}

.how-to-id {
  background: var(--secondary-bg);
  border-radius: 10px;
  padding: 10px 12px;
  margin-bottom: 16px;
}
.how-to-id p {
  margin: 0 0 4px;
}
.how-to-id p:last-child {
  margin-bottom: 0;
}
.how-to-id a {
  color: var(--link);
}

.tabs {
  display: flex;
  gap: 8px;
  padding: 0 16px 12px;
}
.tab-btn {
  flex: 1;
  padding: 8px;
  border-radius: 10px;
  border: none;
  background: var(--secondary-bg);
  color: var(--hint);
  font-size: 13px;
  font-weight: 600;
}
.tab-btn.active {
  background: var(--button);
  color: var(--button-text);
}

.share-list-title {
  font-size: 14px;
  margin: 20px 0 8px;
}
.share-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.share-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  background: var(--secondary-bg);
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 13px;
}
.share-item .share-status {
  font-size: 11px;
  color: var(--hint);
}
.share-item .btn-danger {
  flex: none;
  padding: 6px 10px;
  font-size: 12px;
}
.reminder-owner-tag {
  font-size: 11px;
  color: var(--link);
  margin-top: 2px;
}

.reminder-list {
  list-style: none;
  margin: 0;
  padding: 0 12px 96px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.reminder-card {
  background: var(--section-bg);
  border-radius: 14px;
  padding: 14px 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}
.reminder-card.inactive {
  opacity: 0.5;
}
.reminder-main {
  min-width: 0;
}
.reminder-name {
  font-weight: 600;
  font-size: 16px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.reminder-meta {
  font-size: 13px;
  color: var(--hint);
  margin-top: 2px;
}
.reminder-badge {
  display: inline-block;
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 8px;
  background: var(--secondary-bg);
  color: var(--hint);
  margin-top: 6px;
}
.reminder-amount {
  font-weight: 600;
  font-size: 16px;
  white-space: nowrap;
  text-align: right;
}

.gate {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 24px;
  text-align: center;
  color: var(--text);
}
.gate-btn {
  display: inline-block;
  text-decoration: none;
  padding: 12px 24px;
  flex: none;
}

.hint {
  color: var(--hint);
  font-size: 13px;
}

.empty-state {
  text-align: center;
  color: var(--hint);
  padding: 60px 24px;
}
.hidden { display: none !important; }

.fab {
  position: fixed;
  right: 20px;
  bottom: max(20px, env(safe-area-inset-bottom));
  width: 56px;
  height: 56px;
  border-radius: 28px;
  border: none;
  background: var(--button);
  color: var(--button-text);
  font-size: 28px;
  line-height: 56px;
  box-shadow: 0 4px 14px rgba(0,0,0,0.25);
}

.sheet-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.4);
  z-index: 10;
}
.sheet {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 11;
  background: var(--bg);
  border-radius: 16px 16px 0 0;
  padding: 16px 16px max(16px, env(safe-area-inset-bottom));
  max-height: 88vh;
  overflow-y: auto;
}
.sheet h2 {
  margin: 4px 0 16px;
  font-size: 18px;
}

.field {
  display: block;
  margin-bottom: 14px;
}
.field > span {
  display: block;
  font-size: 13px;
  color: var(--hint);
  margin-bottom: 6px;
}
.field input[type="text"],
.field input[type="number"],
.field input[type="date"],
.field select {
  width: 100%;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--secondary-bg);
  background: var(--secondary-bg);
  color: var(--text);
  font-size: 16px;
}
.field-row {
  display: flex;
  gap: 10px;
}
.field-row .field { flex: 1; margin-bottom: 14px; }
.field-currency { max-width: 100px; }

.field-checkbox {
  display: flex;
  align-items: center;
  gap: 8px;
}
.field-checkbox span { margin: 0; font-size: 14px; color: var(--text); }
.field-checkbox input { width: 18px; height: 18px; }

.segmented {
  display: flex;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--secondary-bg);
}
.seg-btn {
  flex: 1;
  padding: 10px 8px;
  border: none;
  background: var(--secondary-bg);
  color: var(--text);
  font-size: 13px;
}
.seg-btn.active {
  background: var(--button);
  color: var(--button-text);
}
.segmented-3 .seg-btn {
  font-size: 12px;
  padding: 10px 4px;
}

.weekday-picker {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}
.weekday-btn {
  flex: 1;
  min-width: 38px;
  padding: 10px 0;
  border-radius: 10px;
  border: 1px solid var(--secondary-bg);
  background: var(--secondary-bg);
  color: var(--text);
  font-size: 13px;
}
.weekday-btn.active {
  background: var(--button);
  color: var(--button-text);
  border-color: var(--button);
}

.sheet-actions {
  display: flex;
  gap: 10px;
  margin-top: 8px;
  flex-wrap: wrap;
}
.btn {
  flex: 1;
  padding: 12px;
  border-radius: 10px;
  border: none;
  font-size: 15px;
  font-weight: 600;
  min-width: 100px;
}
.btn-primary {
  background: var(--button);
  color: var(--button-text);
}
.btn-secondary {
  background: var(--secondary-bg);
  color: var(--text);
}
.btn-danger {
  background: transparent;
  color: var(--danger);
}