:root {
  /* Overridden at runtime from Telegram theme; these are graceful fallbacks. */
  --bg: #ffffff;
  --text: #0f1115;
  --hint: #8a9099;
  --card: #f4f5f7;
  --accent: #2f7fff;
  --accent-text: #ffffff;
  --border: rgba(0, 0, 0, 0.09);
  --radius: 16px;
  --radius-sm: 11px;
  --danger: #e5484d;
  --today: var(--accent);
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.06), 0 8px 24px rgba(0, 0, 0, 0.05);
}

/* Standalone-browser dark fallback (Telegram supplies real theme params in-app). */
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #17212b;
    --text: #f1f3f5;
    --hint: #8a97a5;
    --card: #232e3c;
    --accent: #4c9ce2;
    --border: rgba(255, 255, 255, 0.1);
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.3), 0 10px 30px rgba(0, 0, 0, 0.28);
  }
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.45 -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

.app {
  max-width: 640px;
  margin: 0 auto;
  padding: max(env(safe-area-inset-top), 18px) 16px calc(env(safe-area-inset-bottom) + 40px);
}

/* ---- Header ------------------------------------------------------------- */
.head {
  margin-bottom: 18px;
}

.head-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

#hello {
  margin: 0;
  font-size: clamp(1.5rem, 1.2rem + 2.2vw, 2rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
}

.date {
  margin: 2px 0 0;
  color: var(--hint);
  font-size: 0.86rem;
  font-weight: 500;
}

.icon-btn {
  flex: none;
  width: 38px;
  height: 38px;
  border: none;
  border-radius: 50%;
  background: var(--card);
  color: var(--hint);
  font-size: 1.15rem;
  cursor: pointer;
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), color 0.2s;
}
.icon-btn:active {
  transform: rotate(180deg);
  color: var(--text);
}

.status {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 12px;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--card);
  color: var(--text);
  font-size: 0.74rem;
  font-weight: 600;
  white-space: nowrap;
}
.pill.hint {
  background: transparent;
  border: 1px dashed var(--border);
  color: var(--hint);
  font-weight: 500;
}
.pill.dot::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #34c759;
}

/* ---- Composer ----------------------------------------------------------- */
.composer {
  background: var(--card);
  border-radius: var(--radius);
  padding: 8px 8px 6px;
  box-shadow: var(--shadow);
  margin-bottom: 22px;
}

.composer-main {
  display: flex;
  align-items: center;
  gap: 8px;
}

.new-text {
  flex: 1;
  min-width: 0;
  border: none;
  background: transparent;
  color: var(--text);
  font-size: 1rem;
  padding: 10px 6px 10px 10px;
  outline: none;
}
.new-text::placeholder {
  color: var(--hint);
}

.add-btn {
  flex: none;
  width: 42px;
  height: 42px;
  border: none;
  border-radius: 12px;
  background: var(--accent);
  color: var(--accent-text);
  font-size: 1.5rem;
  font-weight: 400;
  line-height: 1;
  cursor: pointer;
  transition: transform 0.12s ease, opacity 0.2s;
}
.add-btn:active {
  transform: scale(0.9);
}
.add-btn:disabled {
  opacity: 0.4;
}

.composer-time {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 2px 6px 2px 10px;
  min-height: 26px;
}
.time-toggle,
.time-clear {
  border: none;
  background: transparent;
  color: var(--hint);
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  padding: 4px 0;
}
.time-toggle.armed {
  color: var(--accent);
}
.new-due {
  border: none;
  background: transparent;
  color: var(--text);
  font-size: 0.82rem;
  font-family: inherit;
  outline: none;
  accent-color: var(--accent);
}
.time-clear {
  margin-left: auto;
  text-decoration: underline;
}

/* ---- Task list ---------------------------------------------------------- */
.list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.task {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 13px 14px;
  background: var(--card);
  border-radius: var(--radius-sm);
  transition: opacity 0.3s ease, transform 0.3s ease;
}
.task.completing {
  opacity: 0;
  transform: translateX(14px);
}

.check {
  flex: none;
  width: 23px;
  height: 23px;
  margin-top: 1px;
  border: 2px solid var(--hint);
  border-radius: 50%;
  background: transparent;
  cursor: pointer;
  position: relative;
  transition: border-color 0.15s, background 0.15s;
}
.check::after {
  content: '';
  position: absolute;
  left: 6px;
  top: 2px;
  width: 6px;
  height: 11px;
  border: solid var(--accent-text);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg) scale(0);
  transition: transform 0.18s cubic-bezier(0.16, 1, 0.3, 1);
}
.check.on {
  background: var(--accent);
  border-color: var(--accent);
}
.check.on::after {
  transform: rotate(45deg) scale(1);
}

.task-body {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.task-text {
  font-size: 0.97rem;
  word-break: break-word;
}
.done-list .task-text {
  text-decoration: line-through;
  color: var(--hint);
}

.due {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 600;
  background: color-mix(in srgb, var(--hint) 16%, transparent);
  color: var(--hint);
}
.due.today {
  background: color-mix(in srgb, var(--today) 16%, transparent);
  color: var(--today);
}
.due.overdue {
  background: color-mix(in srgb, var(--danger) 16%, transparent);
  color: var(--danger);
}

.del {
  flex: none;
  border: none;
  background: transparent;
  color: var(--hint);
  font-size: 1.35rem;
  line-height: 1;
  padding: 0 2px;
  cursor: pointer;
  opacity: 0.5;
  transition: opacity 0.15s, color 0.15s;
}
.del:active {
  opacity: 1;
  color: var(--danger);
}

/* ---- Empty + completed -------------------------------------------------- */
.empty {
  text-align: center;
  padding: 40px 20px;
  color: var(--hint);
}
.empty-emoji {
  font-size: 2.2rem;
  margin: 0 0 6px;
}
.empty-title {
  margin: 0 0 6px;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text);
}
.empty-hint {
  margin: 0 auto;
  max-width: 22rem;
  font-size: 0.85rem;
}
.empty-hint em {
  color: var(--text);
  font-style: normal;
  font-weight: 500;
}

.foot {
  margin-top: 22px;
}
.done-toggle {
  border: none;
  background: transparent;
  color: var(--hint);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  padding: 6px 2px;
}
.done-list {
  margin-top: 8px;
  opacity: 0.85;
}
.done-list .task {
  background: transparent;
  padding: 8px 14px;
}

@media (prefers-reduced-motion: reduce) {
  * {
    transition: none !important;
  }
}