:root {
  --bg-0: #07090f;
  --bg-1: #0c1220;
  --bg-2: #121a2e;
  --card: rgba(255, 255, 255, 0.04);
  --card-border: rgba(255, 255, 255, 0.07);
  --fg: #eef1f8;
  --fg-dim: #8a93a6;
  --fg-mute: #5b6379;
  --accent: #7c5cff;
  --accent-2: #00d4ff;
  --accent-soft: rgba(124, 92, 255, 0.18);
  --danger: #ff5e7a;
  --ok: #2ee6a0;
  --weekend: #ff8aa5;
  --safe-top: env(safe-area-inset-top, 0px);
  --safe-bot: env(safe-area-inset-bottom, 0px);
  --safe-left: env(safe-area-inset-left, 0px);
  --safe-right: env(safe-area-inset-right, 0px);
  /* Telegram fills these via JS (см. app.js applySafeArea). Fallback к env(). */
  --tg-top: env(safe-area-inset-top, 0px);
  --tg-bot: env(safe-area-inset-bottom, 0px);
  --tg-left: env(safe-area-inset-left, 0px);
  --tg-right: env(safe-area-inset-right, 0px);
  --r: 18px;
  --r-sm: 12px;
}

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

html, body {
  margin: 0; padding: 0;
  height: 100%;
  background: var(--bg-0);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Inter", system-ui, sans-serif;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  overscroll-behavior-y: none;
}

body {
  background:
    radial-gradient(80% 50% at 20% 0%, rgba(124, 92, 255, 0.22), transparent 60%),
    radial-gradient(60% 40% at 90% 10%, rgba(0, 212, 255, 0.14), transparent 60%),
    linear-gradient(180deg, var(--bg-1) 0%, var(--bg-0) 100%);
  min-height: 100vh;
  min-height: 100dvh;
}

#app {
  padding:
    calc(var(--tg-top) + 44px)
    calc(var(--tg-right) + 16px)
    200px
    calc(var(--tg-left) + 16px);
  max-width: 720px;
  margin: 0 auto;
}

/* Topbar */
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 22px;
  padding-right: var(--tg-controls-right, 0px);
}
.title__main {
  font-size: 28px; font-weight: 700; letter-spacing: -0.02em;
  background: linear-gradient(180deg, #fff 0%, #b6bbcc 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.title__sub {
  margin-top: 2px;
  font-size: 13px; color: var(--fg-dim); font-weight: 500;
  text-transform: lowercase;
}

.iconbtn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 40px; height: 40px;
  border-radius: 12px;
  background: var(--card); border: 1px solid var(--card-border);
  color: var(--fg);
  cursor: pointer;
  transition: transform 120ms ease, background 120ms ease;
}
.iconbtn:active { transform: scale(0.94); background: var(--accent-soft); }
.iconbtn.sm { width: 32px; height: 32px; font-size: 20px; }

.card {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--r);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  padding: 14px;
}

/* Calendar */
.calendar { margin-bottom: 20px; }
.cal__head {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 10px;
}
.cal__title { font-weight: 600; font-size: 16px; text-transform: capitalize; }
.cal__weekdays {
  display: grid; grid-template-columns: repeat(7, 1fr);
  font-size: 11px; color: var(--fg-mute); text-align: center;
  text-transform: uppercase; letter-spacing: 0.06em;
  padding-bottom: 6px;
}
.cal__weekdays .we { color: var(--weekend); opacity: 0.7; }
.cal__grid {
  display: grid; grid-template-columns: repeat(7, 1fr);
  gap: 4px;
}
.cell {
  position: relative;
  aspect-ratio: 1 / 1;
  display: flex; align-items: center; justify-content: center;
  border-radius: 12px;
  font-size: 14px; font-weight: 500;
  color: var(--fg);
  background: transparent;
  cursor: pointer;
  transition: background 120ms ease, transform 120ms ease;
}
.cell.muted { color: var(--fg-mute); }
.cell.weekend { color: var(--weekend); }
.cell.weekend.muted { color: rgba(255, 138, 165, 0.35); }
.cell.today {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  font-weight: 700;
  box-shadow: 0 6px 20px -8px rgba(124, 92, 255, 0.7);
}
.cell.selected:not(.today) {
  background: var(--accent-soft);
  border: 1px solid rgba(124, 92, 255, 0.4);
}
.cell.has::after {
  content: '';
  position: absolute; bottom: 4px; left: 50%; transform: translateX(-50%);
  width: 5px; height: 5px; border-radius: 50%;
  background: var(--accent-2);
  box-shadow: 0 0 6px var(--accent-2);
}
.cell.today.has::after { background: #fff; box-shadow: 0 0 6px #fff; }
.cell:active { transform: scale(0.92); }

/* List */
.list__head {
  display: flex; align-items: baseline; justify-content: space-between;
  margin: 6px 4px 10px;
}
.list__title { font-size: 17px; font-weight: 600; }
.ghostbtn {
  background: transparent; border: 0; color: var(--accent-2);
  font-size: 13px; font-weight: 500; cursor: pointer; padding: 4px 6px;
}

.reminders { display: flex; flex-direction: column; gap: 10px; }

.reminder {
  display: flex; gap: 12px;
  padding: 14px;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: var(--r);
  cursor: pointer;
  transition: transform 120ms ease, border-color 120ms ease;
  position: relative;
  overflow: hidden;
  animation: pop 240ms ease both;
}
@keyframes pop {
  from { opacity: 0; transform: translateY(6px) scale(0.98); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}
.reminder:active { transform: scale(0.99); }
.reminder.due { border-color: rgba(255, 94, 122, 0.4); }
.reminder.today { border-color: rgba(124, 92, 255, 0.4); }

.rem__time {
  flex: 0 0 auto;
  min-width: 64px;
  display: flex; flex-direction: column; align-items: flex-start; justify-content: center;
}
.rem__time .day { font-size: 11px; color: var(--fg-dim); text-transform: uppercase; letter-spacing: 0.04em; font-weight: 600; }
.rem__time .hm  { font-size: 22px; font-weight: 700; letter-spacing: -0.02em; line-height: 1.1; }
.reminder.today .rem__time .day { color: var(--accent-2); }
.reminder.due .rem__time .hm { color: var(--danger); }

.rem__body { flex: 1; display: flex; align-items: center; min-width: 0; }
.rem__text { font-size: 15px; line-height: 1.35; word-break: break-word; }

.rem__src {
  position: absolute; top: 8px; right: 10px;
  font-size: 10px; color: var(--fg-mute); text-transform: uppercase; letter-spacing: 0.06em;
}

/* Empty */
.empty {
  text-align: center; padding: 36px 16px;
  color: var(--fg-dim);
}
.empty__icon { font-size: 36px; }
.empty__title { font-size: 16px; font-weight: 600; color: var(--fg); margin-top: 8px; }
.empty__sub { font-size: 13px; margin-top: 4px; }
.hidden { display: none !important; }

/* Composer */
.composer {
  position: fixed; left: 0; right: 0; bottom: 0;
  padding:
    10px
    calc(var(--tg-right) + 16px)
    calc(14px + var(--tg-bot))
    calc(var(--tg-left) + 16px);
  background: linear-gradient(180deg, transparent 0%, var(--bg-0) 35%);
  z-index: 30;
}
.composer__hint {
  font-size: 12px; color: var(--accent-2);
  min-height: 18px; padding: 0 4px 6px;
  opacity: 0; transform: translateY(4px);
  transition: opacity 180ms ease, transform 180ms ease;
}
.composer__hint.show { opacity: 1; transform: translateY(0); }

.composer__row {
  display: flex; gap: 10px;
  padding: 8px;
  background: rgba(18, 26, 46, 0.85);
  border: 1px solid var(--card-border);
  border-radius: 20px;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 20px 40px -20px rgba(0, 0, 0, 0.6);
}
.composer__row input {
  flex: 1;
  padding: 12px 14px;
  background: transparent; border: 0; outline: 0;
  color: var(--fg); font-size: 16px; font-family: inherit;
}
.composer__row input::placeholder { color: var(--fg-mute); }
.sendbtn {
  width: 46px; height: 46px;
  border-radius: 14px; border: 0; cursor: pointer;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff;
  display: inline-flex; align-items: center; justify-content: center;
  transition: transform 120ms ease, opacity 120ms ease;
  box-shadow: 0 8px 22px -8px rgba(124, 92, 255, 0.8);
}
.sendbtn:active { transform: scale(0.93); }
.sendbtn:disabled { opacity: 0.5; }

/* Bottom sheet */
.sheet {
  position: fixed; inset: 0;
  pointer-events: none;
  z-index: 50;
}
.sheet[aria-hidden="false"] { pointer-events: auto; }
.sheet__backdrop {
  position: absolute; inset: 0;
  background: rgba(4, 6, 12, 0.55);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  opacity: 0;
  transition: opacity 220ms ease;
}
.sheet[aria-hidden="false"] .sheet__backdrop { opacity: 1; }
.sheet__panel {
  position: absolute; left: 0; right: 0; bottom: 0;
  background: linear-gradient(180deg, var(--bg-2), var(--bg-1));
  border-top-left-radius: 24px;
  border-top-right-radius: 24px;
  padding: 12px 18px calc(18px + var(--safe-bot));
  transform: translateY(110%);
  transition: transform 260ms cubic-bezier(0.25, 1, 0.3, 1);
  border-top: 1px solid var(--card-border);
}
.sheet[aria-hidden="false"] .sheet__panel { transform: translateY(0); }
.sheet__grab {
  width: 40px; height: 4px; border-radius: 2px;
  background: rgba(255, 255, 255, 0.18);
  margin: 0 auto 14px;
}
.sheet__title { font-weight: 700; font-size: 18px; margin-bottom: 14px; }

.field { display: block; margin-bottom: 14px; }
.field > span {
  display: block; margin-bottom: 6px;
  font-size: 12px; color: var(--fg-dim); text-transform: uppercase; letter-spacing: 0.06em; font-weight: 600;
}
.field > input {
  width: 100%;
  padding: 13px 14px;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  color: var(--fg); font-size: 16px; font-family: inherit;
  outline: 0;
}
.field > input:focus { border-color: rgba(124, 92, 255, 0.6); }

.sheet__actions {
  display: flex; gap: 8px; justify-content: flex-end; margin-top: 6px;
  flex-wrap: wrap;
}
.btn {
  padding: 12px 16px;
  border-radius: 12px;
  border: 1px solid var(--card-border);
  background: var(--card);
  color: var(--fg);
  font-weight: 600; font-size: 15px;
  cursor: pointer;
  transition: transform 120ms ease;
}
.btn:active { transform: scale(0.96); }
.btn.primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  border: 0; color: #fff;
  box-shadow: 0 8px 22px -10px rgba(124, 92, 255, 0.8);
}
.btn.danger { background: rgba(255, 94, 122, 0.12); border-color: rgba(255, 94, 122, 0.4); color: var(--danger); }
.btn.ghost { background: transparent; }

/* Toast */
.toast {
  position: fixed; left: 50%; bottom: calc(100px + var(--safe-bot));
  transform: translateX(-50%) translateY(20px);
  padding: 12px 18px; border-radius: 14px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--card-border);
  color: #fff; font-size: 14px;
  opacity: 0; pointer-events: none;
  transition: opacity 220ms ease, transform 220ms ease;
  z-index: 60;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  max-width: 86vw; text-align: center;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.toast.error { border-color: rgba(255, 94, 122, 0.4); }
.toast.ok { border-color: rgba(46, 230, 160, 0.4); }