:root {
  color-scheme: dark;
  --bg: #05070a;
  --surface: #0d1117;
  --surface-strong: #141922;
  --line: #252d39;
  --text: #f8fafc;
  --muted: #95a0ae;
  --soft: #c8d1dc;
  --accent: #f5c542;
  --green: #35d07f;
  --blue: #5aa7ff;
  --red: #ff6b6b;
  --violet: #ad8cff;
  --shadow: 0 18px 44px rgba(0, 0, 0, 0.32);
}

* { box-sizing: border-box; }

html,
body {
  min-height: 100%;
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0;
}

body {
  min-height: 100svh;
  overflow-x: hidden;
}

button { font: inherit; }

.calendar-shell {
  width: min(100%, 920px);
  min-height: 100svh;
  margin: 0 auto;
  padding: max(18px, env(safe-area-inset-top)) 14px calc(104px + env(safe-area-inset-bottom));
}

.calendar-topbar {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  margin: -18px -14px 0;
  padding: max(18px, env(safe-area-inset-top)) 14px 14px;
  background: color-mix(in srgb, var(--bg) 92%, transparent);
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  backdrop-filter: blur(18px);
}

.brand-mark {
  display: flex;
  min-width: 0;
  align-items: center;
}

.brand-mark img {
  display: block;
  width: min(54vw, 360px);
  max-height: 86px;
  object-fit: contain;
  object-position: left center;
}

.sr-only {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

.brand-kicker,
.today-block span,
.next-block span,
.day-label,
.event-meta,
.event-location,
.month-day-name,
.week-date span {
  color: var(--muted);
  font-size: 12px;
  font-weight: 850;
  text-transform: uppercase;
}

.brand-kicker {
  margin: 0 0 4px;
  color: var(--accent);
  font-weight: 900;
}

h1 {
  max-width: 13ch;
  margin: 0;
  color: var(--text);
  font-size: clamp(36px, 12vw, 72px);
  font-weight: 900;
  line-height: 0.9;
}

.top-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.icon-button,
.calendar-link,
.view-tabs button,
.event-card summary,
.month-controls button {
  -webkit-tap-highlight-color: transparent;
}

.icon-button,
.calendar-link {
  display: grid;
  min-width: 50px;
  height: 50px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-strong);
  color: var(--text);
  text-decoration: none;
  font-size: 14px;
  font-weight: 950;
  text-transform: uppercase;
}

.icon-button {
  width: 50px;
  font-size: 24px;
}

.calendar-link {
  border-color: color-mix(in srgb, var(--accent) 62%, var(--line));
  background: var(--accent);
  padding: 0 14px;
  color: #0a0a0a;
}

.icon-button:active,
.calendar-link:active,
.view-tabs button:active,
.month-controls button:active { transform: translateY(1px); }

.now-strip {
  display: grid;
  grid-template-columns: minmax(92px, 0.34fr) 1fr;
  gap: 10px;
  margin: 18px 0 12px;
}

.today-block,
.next-block,
.status-banner,
.event-card,
.month-panel,
.week-day {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.today-block {
  display: flex;
  min-height: 118px;
  flex-direction: column;
  justify-content: center;
  padding: 12px;
}

.today-block strong {
  color: var(--text);
  font-size: clamp(40px, 16vw, 78px);
  font-weight: 900;
  line-height: 0.9;
}

.next-block {
  min-width: 0;
  padding: 16px;
}

.next-block strong {
  display: block;
  margin: 6px 0;
  overflow-wrap: anywhere;
  color: var(--text);
  font-size: clamp(23px, 7vw, 40px);
  font-weight: 900;
  line-height: 1;
}

.next-block small {
  color: var(--soft);
  font-size: 15px;
  font-weight: 800;
}

.status-banner {
  margin: 4px 0 14px;
  padding: 14px;
  color: var(--soft);
  font-size: 14px;
  font-weight: 750;
  line-height: 1.35;
}

.agenda-view,
.week-panel {
  display: grid;
  gap: 14px;
}

.day-group { display: grid; gap: 9px; }

.day-label {
  position: sticky;
  top: 88px;
  z-index: 3;
  margin: 2px 0 -2px;
  padding: 9px 2px;
  background: color-mix(in srgb, var(--bg) 94%, transparent);
  backdrop-filter: blur(14px);
}

.event-card { overflow: hidden; }

.event-card summary {
  display: grid;
  grid-template-columns: 76px 1fr;
  gap: 13px;
  min-height: 114px;
  padding: 14px;
  cursor: pointer;
  list-style: none;
}

.event-card summary::-webkit-details-marker { display: none; }

.event-time {
  display: grid;
  align-content: center;
  min-height: 86px;
  border-right: 1px solid var(--line);
  padding-right: 10px;
}

.event-time strong {
  color: var(--text);
  font-size: 22px;
  font-weight: 900;
  line-height: 1;
}

.event-time span {
  margin-top: 5px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 900;
  text-transform: uppercase;
}

.event-main { min-width: 0; }

.event-title-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
}

.event-title {
  margin: 0;
  overflow-wrap: anywhere;
  color: var(--text);
  font-size: clamp(23px, 7vw, 36px);
  font-weight: 900;
  line-height: 0.98;
}

.event-chip {
  flex: 0 0 auto;
  border-radius: 999px;
  padding: 5px 8px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--soft);
  font-size: 10px;
  font-weight: 900;
  text-transform: uppercase;
}

.event-meta { margin-top: 10px; color: var(--soft); }
.event-location { margin-top: 6px; overflow-wrap: anywhere; color: var(--muted); }

.event-details {
  border-top: 1px solid var(--line);
  padding: 0 14px 16px 103px;
  color: var(--soft);
  font-size: 15px;
  font-weight: 650;
  line-height: 1.45;
}

.event-details a { color: var(--accent); font-weight: 900; }

.event-card[data-tone="event"],
.week-event[data-tone="event"],
.month-event[data-tone="event"] { border-left-color: var(--accent); }
.event-card[data-tone="meeting"],
.week-event[data-tone="meeting"],
.month-event[data-tone="meeting"] { border-left-color: var(--blue); }
.event-card[data-tone="deadline"],
.week-event[data-tone="deadline"],
.month-event[data-tone="deadline"] { border-left-color: var(--red); }
.event-card[data-tone="travel"],
.week-event[data-tone="travel"],
.month-event[data-tone="travel"] { border-left-color: var(--violet); }
.event-card[data-tone="default"],
.week-event[data-tone="default"],
.month-event[data-tone="default"] { border-left-color: var(--green); }
.event-card { border-left: 6px solid var(--green); }

.empty-state {
  border: 1px dashed var(--line);
  border-radius: 8px;
  padding: 26px 16px;
  color: var(--muted);
  text-align: center;
  font-size: 20px;
  font-weight: 900;
}

.week-day {
  display: grid;
  grid-template-columns: 78px 1fr;
  gap: 12px;
  padding: 12px;
}

.week-day.is-today { background: #201a0a; }

.week-date {
  display: grid;
  align-content: center;
  border-right: 1px solid var(--line);
  padding-right: 10px;
}

.week-date strong {
  color: var(--text);
  font-size: 42px;
  font-weight: 900;
  line-height: 0.9;
}

.week-events {
  display: grid;
  gap: 8px;
  min-width: 0;
}

.week-events p {
  margin: 0;
  align-self: center;
  color: var(--muted);
  font-size: 15px;
  font-weight: 850;
}

.week-event {
  display: grid;
  gap: 4px;
  border-left: 5px solid var(--green);
  border-radius: 8px;
  background: #0a0e14;
  padding: 10px 12px;
  color: var(--text);
  text-decoration: none;
}

.week-event strong {
  overflow-wrap: anywhere;
  font-size: 17px;
  font-weight: 900;
  line-height: 1.05;
}

.week-event span {
  color: var(--soft);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.month-panel { overflow: hidden; margin-top: 4px; }

.month-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
  padding: 14px;
}

.month-header h2 {
  margin: 0;
  font-size: clamp(28px, 8vw, 44px);
  font-weight: 900;
}

.month-controls { display: flex; gap: 8px; }

.month-controls button {
  width: 44px;
  height: 44px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-strong);
  color: var(--text);
  font-size: 20px;
  font-weight: 900;
}

.month-grid { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); }

.month-day-name,
.month-cell {
  min-width: 0;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.month-day-name { padding: 10px 2px; text-align: center; }

.month-cell {
  min-height: 118px;
  padding: 7px 5px;
  background: #0a0e14;
}

.month-cell.is-muted { opacity: 0.32; }
.month-cell.is-today { background: #201a0a; }

.month-date {
  display: block;
  color: var(--text);
  font-size: 15px;
  font-weight: 900;
}

.month-events {
  display: grid;
  gap: 4px;
  margin-top: 8px;
}

.month-event {
  display: grid;
  min-width: 0;
  border-left: 4px solid var(--green);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.07);
  padding: 5px 6px;
  color: var(--text);
  text-decoration: none;
}

.month-event span {
  overflow: hidden;
  color: var(--soft);
  font-size: 9px;
  font-weight: 950;
  line-height: 1;
  text-overflow: ellipsis;
  text-transform: uppercase;
  white-space: nowrap;
}

.month-event strong {
  overflow: hidden;
  margin-top: 2px;
  color: var(--text);
  font-size: 10px;
  font-weight: 900;
  line-height: 1.1;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.month-more {
  color: var(--accent);
  font-size: 10px;
  font-weight: 950;
  line-height: 1.1;
}

.view-tabs {
  position: fixed;
  right: 12px;
  bottom: max(12px, env(safe-area-inset-bottom));
  left: 12px;
  z-index: 8;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
  max-width: 920px;
  margin: 0 auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  padding: 6px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.view-tabs button {
  min-height: 52px;
  border: 1px solid transparent;
  border-radius: 6px;
  background: transparent;
  color: var(--soft);
  font-size: 12px;
  font-weight: 950;
  text-transform: uppercase;
}

.view-tabs button.active {
  border-color: color-mix(in srgb, var(--accent) 58%, var(--line));
  background: #201a0a;
  color: var(--accent);
}

@media (min-width: 760px) {
  .calendar-shell { padding-inline: 28px; }
  .calendar-topbar { margin-inline: -28px; padding-inline: 28px; }
  .brand-mark img { width: min(46vw, 420px); max-height: 108px; }
  h1 { max-width: none; }
  .now-strip { grid-template-columns: 220px 1fr; }
  .event-card summary { grid-template-columns: 132px 1fr; }
  .event-details { padding-left: 160px; }
  .month-cell { min-height: 142px; }
  .month-event strong { font-size: 11px; }
}

@media (max-width: 420px) {
  .brand-mark img { width: min(50vw, 230px); max-height: 70px; }
  .now-strip { grid-template-columns: 1fr; }
  .today-block {
    min-height: 82px;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
  .event-title-row { flex-direction: column; gap: 8px; }
  .event-chip { align-self: flex-start; }
}

@media (prefers-reduced-motion: no-preference) {
  .event-card,
  .month-panel,
  .week-day,
  .now-strip > * {
    animation: rise-in 360ms ease both;
  }

  @keyframes rise-in {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
  }
}