:root {
  --bg: #f4f7fb;
  --bg-2: #edf3ff;
  --card: rgba(255, 255, 255, 0.78);
  --card-strong: rgba(255, 255, 255, 0.94);
  --stroke: rgba(255, 255, 255, 0.75);
  --text: #111827;
  --muted: #6b7280;
  --muted-2: #94a3b8;
  --accent: #0f172a;
  --accent-soft: #e2e8f0;
  --primary: #2563eb;
  --primary-soft: #dbeafe;
  --success-soft: #dcfce7;
  --radius-xl: 30px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --radius-sm: 14px;
  --shadow: 0 20px 60px -28px rgba(15, 23, 42, 0.24);
  --font: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Display", "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; font-family: var(--font); color: var(--text); }
body {
  min-height: 100vh;
  background:
    radial-gradient(circle at top, rgba(191, 219, 254, 0.65), transparent 36%),
    linear-gradient(180deg, var(--bg) 0%, var(--bg-2) 45%, var(--bg) 100%);
}
body.modal-open { overflow: hidden; }
button, select, input { font: inherit; }
a { color: inherit; }

.app-shell { max-width: 980px; margin: 0 auto; padding: 20px 14px 110px; }
.main-content,
.page,
.section-card,
.grouped-events,
.group-block,
.event-card,
.event-content { min-width: 0; }
.topbar { padding: 8px 4px 18px; }
.topbar h1 { margin: 0; font-size: clamp(2rem, 6vw, 3.2rem); letter-spacing: -0.05em; line-height: 0.95; }
.topbar p { margin: 10px 0 0; color: var(--muted); font-size: 0.98rem; }
.main-content { display: block; }
.page { display: none; gap: 16px; }
.page.active { display: grid; }

.section-card,
.overlay-card {
  background: var(--card);
  border: 1px solid var(--stroke);
  border-radius: var(--radius-xl);
  padding: 18px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.section-head,
.modal-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 18px;
}

.section-head h2,
.modal-head h3,
.list-head h2 { margin: 0; letter-spacing: -0.03em; }
.section-head p,
.modal-head p,
.list-head p { margin: 6px 0 0; color: var(--muted); }

.icon-btn,
.secondary-btn,
.primary-btn,
.nav-btn {
  border: none;
  cursor: pointer;
  transition: transform 0.16s ease, background 0.16s ease, box-shadow 0.16s ease;
}
.icon-btn:hover,
.secondary-btn:hover,
.primary-btn:hover,
.nav-btn:hover { transform: translateY(-1px); }

.icon-btn {
  width: 42px;
  height: 42px;
  border-radius: 16px;
  background: rgba(255,255,255,0.88);
  box-shadow: 0 8px 24px -18px rgba(15, 23, 42, 0.35);
  font-size: 1.3rem;
  color: var(--accent);
}

.ghost-btn { background: rgba(255,255,255,0.78); }
.primary-btn,
.secondary-btn {
  min-height: 42px;
  padding: 10px 16px;
  border-radius: 14px;
}
.primary-btn {
  background: var(--accent);
  color: #fff;
}
.secondary-btn {
  background: rgba(255,255,255,0.92);
  color: var(--accent);
}
.hidden { display: none; }

#monthLabel { margin: 0; font-size: 1.15rem; text-transform: capitalize; letter-spacing: -0.02em; }
.calendar-weekdays,
.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 8px;
}
.calendar-weekdays { margin-bottom: 8px; }
.weekday {
  text-align: center;
  color: var(--muted-2);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.day-cell {
  min-height: 88px;
  border-radius: 22px;
  border: 1px solid rgba(255,255,255,0.84);
  background: rgba(255,255,255,0.8);
  padding: 10px;
  text-align: left;
  cursor: pointer;
}
.day-cell.empty { background: transparent; border-color: transparent; cursor: default; }
.day-cell.selected { box-shadow: inset 0 0 0 2px rgba(15, 23, 42, 0.9); }
.day-cell.today { box-shadow: inset 0 0 0 2px rgba(37, 99, 235, 0.22); }
.day-cell.has-events .day-number { color: var(--accent); font-weight: 800; }
.day-top { display: flex; align-items: start; justify-content: space-between; gap: 6px; }
.day-number { font-size: 0.95rem; font-weight: 700; }
.day-pin-badge {
  min-height: 24px;
  padding: 0 8px;
  border-radius: 999px;
  background: #2287da;
  color: white;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  font-size: 0.72rem;
  font-weight: 800;
  line-height: 1;
  white-space: nowrap;
}

.filters-row,
.filters-panel {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 220px));
  justify-content: center;
  gap: 12px;
}

.filters-panel { margin-bottom: 18px; }
.compact-filters { margin-bottom: 14px; }

.filter-field {
  display: grid;
  gap: 7px;
  justify-items: center;
}

.filter-field span {
  font-size: 0.86rem;
  font-weight: 700;
  color: #475569;
}

.filter-field select,
.filter-field input {
  width: 100%;
  max-width: 220px;
  min-height: 46px;
  border-radius: 15px;
  border: 1px solid rgba(255,255,255,0.88);
  background: rgba(255,255,255,0.9);
  padding: 0 14px;
  color: var(--text);
  outline: none;
}

.filter-actions {
  display: flex;
  align-items: end;
  justify-content: center;
}
.modal-actions {
  display: flex;
  gap: 10px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.info-box {
  border-radius: 18px;
  background: rgba(255,255,255,0.72);
  color: var(--muted);
  padding: 14px;
  line-height: 1.55;
}
.events-list,
.grouped-events { display: grid; gap: 12px; }
.modal-events-list {
  max-height: min(64vh, 700px);
  overflow: auto;
  padding-right: 4px;
  padding-bottom: 14px;
  margin-bottom: 2px;
  overscroll-behavior: contain;
}
.group-block { display: grid; gap: 10px; }
.group-title { margin: 0; font-size: 1rem; color: #334155; letter-spacing: -0.02em; }

.event-card {
  background: var(--card-strong);
  border: 1px solid rgba(255,255,255,0.88);
  border-radius: 24px;
  padding: 14px;
  display: grid;
  grid-template-columns: 116px 1fr;
  gap: 14px;
  align-items: start;
}
.event-image {
  width: 116px;
  height: 88px;
  object-fit: cover;
  border-radius: 16px;
  display: block;
}
.event-content { min-width: 0; }
.event-time { font-size: 0.9rem; color: var(--primary); font-weight: 700; margin-bottom: 8px; }
.event-title { margin: 0; font-size: 1rem; line-height: 1.35; letter-spacing: -0.02em; overflow-wrap: anywhere; }
.event-title a { text-decoration: none; }
.event-meta { margin-top: 10px; color: var(--muted); font-size: 0.92rem; line-height: 1.5; overflow-wrap: anywhere; }
.event-description {
  margin-top: 12px;
  color: #334155;
  font-size: 0.94rem;
  line-height: 1.6;
  white-space: normal;
  overflow-wrap: anywhere;
}
.event-tags { margin-top: 12px; display: flex; flex-wrap: wrap; gap: 8px; }
.tag {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 6px 10px;
  background: var(--accent-soft);
  color: #334155;
  font-size: 0.76rem;
  font-weight: 700;
}
.tag.primary { background: var(--primary-soft); color: var(--primary); }
.tag.success { background: var(--success-soft); color: #166534; }
.event-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}
.event-links a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(255,255,255,0.86);
  text-decoration: none;
  color: #1e293b;
  font-weight: 600;
  font-size: 0.88rem;
  max-width: 100%;
}

.overlay {
  position: fixed;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 18px;
  background: rgba(15, 23, 42, 0.22);
  z-index: 40;
}
.overlay.active { display: flex; }
.loading-card {
  width: min(92vw, 340px);
  text-align: center;
  padding: 28px 24px;
}
.modal-card {
  width: min(94vw, 860px);
  max-height: min(88vh, 940px);
  overflow: hidden;
}
.spinner {
  width: 54px;
  height: 54px;
  margin: 0 auto 16px;
  border-radius: 999px;
  border: 5px solid rgba(37, 99, 235, 0.15);
  border-top-color: var(--primary);
  animation: spin 0.9s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.bottom-nav {
  position: fixed;
  left: 50%;
  bottom: max(16px, env(safe-area-inset-bottom));
  transform: translateX(-50%);
  width: min(92vw, 420px);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  padding: 8px;
  border-radius: 999px;
  background: rgba(255,255,255,0.78);
  border: 1px solid rgba(255,255,255,0.84);
  box-shadow: 0 18px 48px -24px rgba(15, 23, 42, 0.35);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}
.nav-btn {
  height: 52px;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 700;
}
.nav-btn.active { background: white; color: var(--accent); box-shadow: 0 10px 26px -18px rgba(15, 23, 42, 0.36); }
.nav-emoji { font-size: 1rem; }

@media (max-width: 820px) {
  .event-card {
    grid-template-columns: 96px 1fr;
    gap: 12px;
  }
  .event-image {
    width: 96px;
    height: 76px;
  }
}

@media (max-width: 640px) {
  .app-shell { padding-inline: 10px; }
  .topbar h1 { font-size: clamp(1.6rem, 7vw, 2.1rem); }
  .list-head {
    align-items: flex-start;
    flex-direction: column;
  }
  .section-card,
  .overlay-card { padding: 15px; border-radius: 26px; }
  .filters-row,
  .filters-panel { grid-template-columns: 1fr; }
  .calendar-weekdays,
  .calendar-grid { gap: 4px; }
  .weekday {
    font-size: 0.62rem;
    letter-spacing: 0.08em;
  }
  .day-cell {
    min-height: 58px;
    border-radius: 16px;
    padding: 6px;
  }
  .day-number { font-size: 0.88rem; }
  .day-pin-badge {
    min-height: 18px;
    padding: 0 6px;
    font-size: 0.6rem;
    gap: 3px;
  }
  .day-pin-icon { font-size: 0.66rem; }
  .event-card {
    grid-template-columns: 1fr;
    width: 100%;
  }
  .event-image {
    width: 100%;
    max-width: 140px;
    height: 92px;
  }
  .modal-card {
    width: min(96vw, 860px);
    max-height: 90vh;
  }
  .modal-events-list {
    max-height: 58vh;
    padding-bottom: 18px;
  }
  .modal-actions,
  .event-links { flex-direction: column; }
  .event-links a,
  .primary-btn,
  .secondary-btn { width: 100%; justify-content: center; }
  .filters-panel,
  .grouped-events,
  .events-list { width: 100%; }
}

.event-calendar-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

.calendar-action-btn {
  appearance: none;
  border: none;
  text-decoration: none;
  cursor: pointer;
  min-height: 42px;
  padding: 0 14px;
  border-radius: 14px;
  background: #111827;
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
  transition: transform 0.16s ease, opacity 0.16s ease;
}

.calendar-action-btn:hover {
  transform: translateY(-1px);
  opacity: 0.92;
}

.calendar-action-btn.google {
  background: #2563eb;
}

@media (max-width: 640px) {
  .event-calendar-actions {
    flex-direction: column;
  }

  .calendar-action-btn {
    width: 100%;
  }
}

.event-card {
  display: flex;
  gap: 16px;
  align-items: stretch;
}

.event-media {
  flex: 0 0 120px;
  width: 120px;
  min-width: 120px;
  height: 120px;
  border-radius: 12px;
  overflow: hidden;
  background: #f2f2f2;
}

.event-image,
.event-image-placeholder {
  display: block;
  width: 100%;
  height: 100%;
}

.event-image {
  object-fit: cover;
}

.event-image-placeholder {
  background: #f2f2f2;
}

.event-content {
  flex: 1;
  min-width: 0;
}