/* Nudge deliberately ships one fixed dark look, regardless of the viewer's
   own Telegram theme — colors below are NOT sourced from tg.themeParams.
   Palette matches the NudgeBot brand mark: near-black ground, hot-orange accent. */
:root {
  --bg: #100e0d;
  --secondary-bg: #1b1816;
  --elevated-bg: #262220;
  --text: #f5efec;
  --hint: #96897f;
  --separator: rgba(255, 255, 255, 0.08);

  /* Brand accent — the NudgeBot orange, used only for interactive/primary elements. */
  --brand: #ff5722;
  --brand-strong: #ff7a3d;
  --brand-tint: rgba(255, 87, 34, 0.16);
  --brand-glow: rgba(255, 87, 34, 0.35);
  --link: var(--brand-strong);
  --button: var(--brand);
  --button-text: #ffffff;

  /* Semantic status colors — distinct hues from the brand accent so state
     badges (paused/waiting/etc.) never get mistaken for the brand orange. */
  --success: #34d17c;
  --success-tint: rgba(52, 209, 124, 0.16);
  --warning: #ffc23e;
  --warning-tint: rgba(255, 194, 62, 0.16);
  --info: #6ec9ff;
  --info-tint: rgba(110, 201, 255, 0.16);
  --danger: #ff6259;
  --danger-tint: rgba(255, 98, 89, 0.14);
  --neutral-tint: rgba(255, 255, 255, 0.07);

  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;

  --radius-sm: 10px;
  --radius-md: 14px;
  --radius-lg: 20px;

  --shadow-card: 0 1px 2px rgba(0, 0, 0, 0.35), 0 1px 10px rgba(0, 0, 0, 0.3);
  --ease: cubic-bezier(0.25, 0.1, 0.25, 1);

  color-scheme: dark;
}

* {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

[hidden] {
  display: none !important;
}

html,
body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  /* Safety net: no single element (e.g. iOS's oversized native
     datetime-local control) is ever allowed to push the page sideways. */
  overflow-x: hidden;
  max-width: 100vw;
}

body {
  padding-bottom: calc(70px + env(safe-area-inset-bottom));
  min-height: 100vh;
}

#view {
  padding: var(--space-4) var(--space-4) var(--space-5);
  max-width: 560px;
  margin: 0 auto;
}

#view > * {
  animation: viewIn 220ms var(--ease);
}

@keyframes viewIn {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.page-header {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  margin: var(--space-2) var(--space-1) var(--space-4);
}

h1 {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: var(--space-2) var(--space-1) var(--space-4);
}

.page-header h1 {
  margin: 0;
}

.count-badge {
  font-size: 13px;
  font-weight: 600;
  color: var(--hint);
  background: var(--neutral-tint);
  padding: 2px 9px;
  border-radius: 999px;
}

/* ---------- Empty / loading states ---------- */

.empty {
  text-align: center;
  color: var(--hint);
  margin-top: 15vh;
  font-size: 15px;
  line-height: 1.5;
  padding: 0 var(--space-4);
}

.empty-icon {
  width: 76px;
  height: 76px;
  margin: 0 auto var(--space-4);
  border-radius: 50%;
  background: radial-gradient(circle, var(--brand-tint) 0%, transparent 72%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 34px;
}

.empty .btn {
  display: inline-block;
  width: auto;
  margin-top: var(--space-4);
  padding-left: var(--space-5);
  padding-right: var(--space-5);
}

.skeleton-card {
  height: 66px;
  border-radius: var(--radius-md);
  background: linear-gradient(100deg, var(--secondary-bg) 40%, var(--separator) 50%, var(--secondary-bg) 60%);
  background-size: 200% 100%;
  animation: shimmer 1.3s ease-in-out infinite;
  margin-bottom: var(--space-2);
}

@keyframes shimmer {
  0% {
    background-position: 120% 0;
  }
  100% {
    background-position: -20% 0;
  }
}

/* ---------- Cards & lists ---------- */

.card {
  background: var(--secondary-bg);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  margin-bottom: var(--space-2);
  box-shadow: var(--shadow-card);
}

.task-card {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  cursor: pointer;
  transition: transform 120ms var(--ease), opacity 120ms var(--ease);
}

.task-card:active {
  transform: scale(0.98);
  opacity: 0.85;
}

.icon-badge {
  width: 40px;
  height: 40px;
  min-width: 40px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 19px;
  background: var(--neutral-tint);
}

.icon-badge--active {
  background: var(--info-tint);
}
.icon-badge--paused {
  background: var(--warning-tint);
}
.icon-badge--notified {
  background: var(--warning-tint);
}
.icon-badge--done {
  background: var(--success-tint);
}

.task-body {
  flex: 1;
  min-width: 0;
}

.task-title {
  font-size: 16px;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.task-meta {
  font-size: 13px;
  color: var(--hint);
  margin-top: 2px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.chevron {
  color: var(--hint);
  font-size: 20px;
  opacity: 0.6;
}

/* ---------- Forms ---------- */

.field {
  margin-bottom: var(--space-4);
}

.field label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--hint);
  margin-bottom: var(--space-2);
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.field input[type='text'],
.field input[type='datetime-local'],
.field input[type='number'] {
  width: 100%;
  min-width: 0;
  max-width: 100%;
  padding: 12px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--separator);
  background: var(--secondary-bg);
  color: var(--text);
  font-size: 16px;
  transition: border-color 120ms var(--ease);
}

/* iOS renders datetime-local wider than its box in some versions; if it
   still overflows despite the above, scroll just this small field instead
   of letting it push the whole page sideways. */
.field-datetime {
  overflow-x: auto;
}

.field-datetime input[type='datetime-local'] {
  min-width: 100%;
}

.field input:focus {
  outline: none;
  border-color: var(--button);
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.chip {
  padding: 9px 15px;
  border-radius: 999px;
  border: 1px solid var(--separator);
  background: var(--secondary-bg);
  color: var(--text);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: background 120ms var(--ease), color 120ms var(--ease), border-color 120ms var(--ease), transform 100ms var(--ease);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.chip:active {
  transform: scale(0.96);
}

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

/* ---------- Detail view ---------- */

.detail-card {
  text-align: center;
  padding: var(--space-5) var(--space-4);
}

.detail-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  margin: 0 auto var(--space-3);
}

.detail-header {
  font-size: 19px;
  font-weight: 700;
  margin-bottom: var(--space-2);
  word-break: break-word;
}

.detail-desc {
  color: var(--hint);
  font-size: 14px;
  margin-bottom: var(--space-3);
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
}

.status-pill--active {
  background: var(--info-tint);
  color: var(--info);
}
.status-pill--paused {
  background: var(--warning-tint);
  color: var(--warning);
}
.status-pill--notified {
  background: var(--warning-tint);
  color: var(--warning);
}
.status-pill--done {
  background: var(--success-tint);
  color: var(--success);
}

.info-list {
  background: var(--secondary-bg);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  margin-bottom: var(--space-4);
}

.info-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: 13px var(--space-4);
  border-bottom: 1px solid var(--separator);
  font-size: 15px;
}

.info-row:last-child {
  border-bottom: none;
}

.info-row .info-icon {
  font-size: 17px;
  width: 22px;
  text-align: center;
}

.info-row .info-label {
  color: var(--hint);
  flex: 1;
}

.info-row .info-value {
  font-weight: 600;
  text-align: right;
}

/* ---------- Buttons ---------- */

.action-row {
  display: flex;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
}

.btn {
  flex: 1;
  padding: 13px;
  border-radius: var(--radius-sm);
  border: none;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  text-align: center;
  transition: transform 100ms var(--ease), opacity 100ms var(--ease);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.btn:active {
  transform: scale(0.97);
  opacity: 0.9;
}

.btn.primary {
  background: linear-gradient(135deg, var(--brand-strong), var(--brand));
  color: var(--button-text);
  box-shadow: 0 4px 18px var(--brand-glow);
}

.btn.secondary {
  background: var(--secondary-bg);
  color: var(--text);
  box-shadow: var(--shadow-card);
}

.btn.danger {
  background: var(--secondary-bg);
  color: var(--danger);
  box-shadow: var(--shadow-card);
}

.btn.block {
  width: 100%;
}

/* ---------- Settings (grouped list) ---------- */

.settings-list {
  background: var(--secondary-bg);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  margin-bottom: var(--space-4);
}

.settings-row {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: 13px var(--space-4);
  border-bottom: 1px solid var(--separator);
  cursor: pointer;
  transition: background 100ms var(--ease);
}

.settings-row:last-child {
  border-bottom: none;
}

.settings-row:active {
  background: var(--neutral-tint);
}

.settings-row .settings-label {
  flex: 1;
  font-size: 15px;
}

.settings-row .check {
  color: var(--button);
  font-weight: 700;
  opacity: 0;
  transition: opacity 100ms var(--ease);
}

.settings-row.selected .check {
  opacity: 1;
}

.section-hint {
  font-size: 12px;
  color: var(--hint);
  margin: var(--space-1) var(--space-1) var(--space-4);
  line-height: 1.4;
}

.back-link {
  color: var(--link);
  font-size: 15px;
  margin-bottom: var(--space-3);
  display: inline-flex;
  align-items: center;
  gap: 2px;
  cursor: pointer;
  font-weight: 500;
}

/* ---------- Tab bar ---------- */

.tabbar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  display: flex;
  background: var(--secondary-bg);
  border-top: 1px solid var(--separator);
  padding-bottom: env(safe-area-inset-bottom);
  z-index: 10;
}

.tab {
  flex: 1;
  background: none;
  border: none;
  padding: 8px 0 6px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  font-size: 11px;
  font-weight: 500;
  color: var(--hint);
  cursor: pointer;
  transition: color 120ms var(--ease);
}

.tab-icon {
  font-size: 19px;
  width: 34px;
  height: 26px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  transition: background 150ms var(--ease);
}

.tab.active {
  color: var(--link);
}

.tab.active .tab-icon {
  background: var(--brand-tint);
}