:root {
  color-scheme: dark;
  --bg: #090e1c;
  --bg-2: #0d1428;
  --panel: rgba(18, 27, 50, 0.86);
  --panel-strong: #141f3a;
  --ink: #f5f7fb;
  --muted: #aab5cf;
  --dim: #687592;
  --line: rgba(255, 255, 255, 0.1);
  --shadow: 0 24px 70px rgba(0, 0, 0, 0.36);
  --radius-xl: 28px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --calc: #6ea8ff;
  --mat: #ffb454;
  --termo: #ff6b89;
  --mec: #9ca3af;
  --due: #72e0bf;
  --danger: #ff7a7a;
  --safe: #8ef0a4;
}

* { box-sizing: border-box; }

html { min-height: 100%; background: var(--bg); }

body {
  margin: 0;
  min-height: 100vh;
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 12% 0%, rgba(110, 168, 255, 0.28), transparent 34rem),
    radial-gradient(circle at 88% 8%, rgba(255, 107, 137, 0.2), transparent 30rem),
    linear-gradient(180deg, #0b1020 0%, #090e1c 45%, #070b16 100%);
}

button { font: inherit; color: inherit; }

button:focus-visible {
  outline: 3px solid rgba(114, 224, 191, 0.75);
  outline-offset: 3px;
}

.app-shell {
  width: min(100%, 760px);
  margin: 0 auto;
  padding: max(16px, env(safe-area-inset-top)) 14px max(28px, env(safe-area-inset-bottom));
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 22px 18px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background:
    linear-gradient(135deg, rgba(20, 31, 58, 0.92), rgba(10, 15, 31, 0.9)),
    radial-gradient(circle at 90% 20%, rgba(114, 224, 191, 0.14), transparent 18rem);
  box-shadow: var(--shadow);
}

.hero::after {
  content: "";
  position: absolute;
  right: -42px;
  top: -46px;
  width: 150px;
  height: 150px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.12);
  background: radial-gradient(circle, rgba(255,255,255,0.06), transparent 58%);
}

.hero-topline,
.today-strip,
.section-heading,
.month-header,
.event-meta,
.card-footer,
.subject-line,
.stress-title {
  display: flex;
  align-items: center;
}

.hero-topline { justify-content: space-between; gap: 12px; position: relative; z-index: 1; }

.eyebrow, .muted-small {
  color: var(--muted);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-weight: 750;
}

.local-badge {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 0 10px;
  border-radius: 999px;
  background: rgba(114, 224, 191, 0.12);
  color: #b9ffe9;
  border: 1px solid rgba(114, 224, 191, 0.32);
  font-size: 0.78rem;
  font-weight: 800;
}

.refresh-badge {
  cursor: pointer;
}

.pill.warning {
  color: #ffe1b4;
  border-color: rgba(255,180,84,0.3);
  background: rgba(255,180,84,0.12);
}

.source-details {
  margin-top: 10px;
  color: var(--dim);
  font-size: 0.78rem;
}
.source-details summary {
  cursor: pointer;
  font-weight: 800;
}
.source-details a, .source-details span {
  display: inline-block;
  margin-top: 6px;
  color: var(--muted);
  overflow-wrap: anywhere;
}

h1, h2, h3, p { margin: 0; }

h1 {
  margin-top: 18px;
  font-size: clamp(2.4rem, 14vw, 4.8rem);
  line-height: 0.9;
  letter-spacing: -0.08em;
  max-width: 7ch;
}

.hero-copy {
  margin-top: 14px;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.45;
  max-width: 35rem;
}

.today-strip {
  margin-top: 18px;
  gap: 8px;
  flex-wrap: wrap;
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 32px;
  padding: 0 10px;
  border-radius: 999px;
  background: rgba(255,255,255,0.07);
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 700;
}

.panic-panel {
  margin-top: 14px;
  display: grid;
  gap: 10px;
}

.next-card, .stress-card, .unknown-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--panel);
  box-shadow: 0 12px 44px rgba(0, 0, 0, 0.22);
}

.next-card {
  padding: 16px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px 14px;
}

.next-kicker { color: var(--muted); font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.05em; font-weight: 800; }
.next-title { margin-top: 6px; font-size: 1.15rem; font-weight: 850; letter-spacing: -0.025em; }
.next-subtitle { margin-top: 4px; color: var(--muted); font-size: 0.92rem; }
.countdown-big {
  min-width: 76px;
  align-self: stretch;
  border-radius: 18px;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 10px;
  background: linear-gradient(180deg, rgba(114,224,191,0.2), rgba(114,224,191,0.06));
  border: 1px solid rgba(114,224,191,0.28);
  color: #d7fff3;
  font-weight: 900;
}
.countdown-big span { display: block; font-size: 1.6rem; line-height: 1; }
.countdown-big small { color: #b9ffe9; font-size: 0.72rem; }

.stress-card, .unknown-card { padding: 14px; }
.stress-title { gap: 8px; font-weight: 850; }
.stress-copy { margin-top: 6px; color: var(--muted); line-height: 1.35; font-size: 0.92rem; }

.segmented {
  position: sticky;
  top: max(8px, env(safe-area-inset-top));
  z-index: 10;
  margin: 16px 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 6px;
  padding: 6px;
  border-radius: 999px;
  background: rgba(5, 9, 19, 0.68);
  border: 1px solid var(--line);
  backdrop-filter: blur(18px);
}

.segment {
  min-height: 44px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  font-weight: 800;
  cursor: pointer;
}
.segment.active { background: var(--ink); color: #0c1222; }

.view { display: none; }
.active-view { display: block; }

.section-heading { justify-content: space-between; gap: 14px; margin: 8px 2px 12px; }
h2 { font-size: 1.12rem; letter-spacing: -0.025em; }

.tiny-button, .icon-button {
  border: 1px solid var(--line);
  background: rgba(255,255,255,0.06);
  border-radius: 999px;
  min-height: 40px;
  padding: 0 12px;
  color: var(--muted);
  font-weight: 800;
  cursor: pointer;
}
.icon-button { min-width: 44px; padding: 0; font-size: 1.4rem; }

.agenda-list, .past-list, .subject-grid { display: grid; gap: 10px; }
.group-label {
  margin: 14px 2px 2px;
  color: var(--dim);
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 900;
}

.event-card {
  --accent: var(--muted);
  position: relative;
  overflow: hidden;
  padding: 15px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: linear-gradient(135deg, rgba(20, 31, 58, 0.94), rgba(11, 17, 34, 0.94));
  box-shadow: 0 12px 34px rgba(0,0,0,0.2);
}
.event-card::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 5px;
  background: var(--accent);
}
.event-card.skipped { opacity: 0.72; }
.event-card.deadline { background: linear-gradient(135deg, rgba(22, 58, 52, 0.88), rgba(11, 17, 34, 0.94)); }

.subject-line { justify-content: space-between; gap: 12px; }
.subject-name { color: var(--accent); font-weight: 900; font-size: 0.86rem; }
.event-title { margin-top: 7px; font-size: 1.08rem; font-weight: 900; letter-spacing: -0.02em; }
.event-note { margin-top: 8px; color: var(--muted); font-size: 0.9rem; line-height: 1.35; }
.event-meta { margin-top: 12px; gap: 8px; flex-wrap: wrap; }

.badge {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 9px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 850;
  color: var(--ink);
  background: rgba(255,255,255,0.1);
  border: 1px solid var(--line);
}
.badge.countdown { background: rgba(255,255,255,0.13); }
.badge.recovery { background: rgba(255, 180, 84, 0.16); color: #ffe1b4; border-color: rgba(255,180,84,0.3); }
.badge.confirmed { background: rgba(142, 240, 164, 0.14); color: #caffd2; border-color: rgba(142,240,164,0.26); }
.badge.due { background: rgba(114, 224, 191, 0.14); color: #c7ffee; border-color: rgba(114,224,191,0.28); }
.badge.skipped { background: rgba(156,163,175,0.14); color: #d5d9e0; border-color: rgba(156,163,175,0.28); }
.badge.unconfirmed { background: rgba(255,255,255,0.08); color: var(--muted); }

.month-header { justify-content: space-between; gap: 12px; margin-bottom: 12px; }
.weekday-row, .month-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 6px;
}
.weekday-row { color: var(--dim); font-size: 0.7rem; text-align: center; font-weight: 850; margin-bottom: 6px; }
.day-cell {
  min-height: 54px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255,255,255,0.045);
  color: var(--muted);
  padding: 6px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  cursor: pointer;
}
.day-cell.outside { opacity: 0.25; }
.day-cell.today { border-color: rgba(114,224,191,0.6); box-shadow: 0 0 0 1px rgba(114,224,191,0.18) inset; }
.day-cell.has-events { background: rgba(255,255,255,0.075); color: var(--ink); }
.day-num { font-size: 0.82rem; font-weight: 850; }
.dots { display: flex; gap: 3px; flex-wrap: wrap; }
.dot { width: 6px; height: 6px; border-radius: 999px; background: var(--accent); }
.selected-day {
  margin-top: 12px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: var(--panel);
  padding: 14px;
}
.empty-state { color: var(--muted); }

.subject-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--panel);
  padding: 15px;
}
.subject-card h3 { color: var(--accent); font-size: 1rem; }
.subject-stats { display: flex; gap: 8px; margin-top: 10px; flex-wrap: wrap; }
.subject-card ul { margin: 12px 0 0; padding-left: 18px; color: var(--muted); line-height: 1.45; }

.hidden { display: none; }

@media (max-width: 380px) {
  .next-card { grid-template-columns: 1fr; }
  .countdown-big { min-height: 72px; }
}

@media (min-width: 700px) {
  .app-shell { padding-top: 28px; }
  .panic-panel { grid-template-columns: 1.1fr 0.9fr; }
  .agenda-list, .past-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .group-label { grid-column: 1 / -1; }
  .subject-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .day-cell { min-height: 76px; }
}

@media (prefers-reduced-motion: no-preference) {
  .event-card, .segment, .tiny-button, .icon-button, .day-cell { transition: transform 160ms ease, background 160ms ease, border-color 160ms ease; }
  .event-card:hover, .day-cell:hover { transform: translateY(-1px); }
  .segment:active, .tiny-button:active, .icon-button:active { transform: scale(0.98); }
}