:root {
  --panel-bg: rgba(255, 255, 255, 0.88);
  --panel-border: rgba(44, 44, 44, 0.12);
  --text: #242424;
  --muted: #5a5a5a;
  --accent: #111111;
  --grid-line: rgba(40, 40, 40, 0.08);
  --hero-grad-1: #f5b6a7;
  --hero-grad-2: #f3e5a4;
  --hero-grad-3: #b4d8f1;
  --shadow: 0 24px 80px rgba(34, 34, 34, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.7), transparent 34%),
    linear-gradient(135deg, var(--hero-grad-1), var(--hero-grad-2) 48%, var(--hero-grad-3));
  font-family: "Segoe UI", "Hiragino Sans", sans-serif;
}

a {
  color: inherit;
  text-decoration: none;
}

.page-shell {
  width: min(100vw, 100%);
  max-width: none;
  margin: 0 auto;
  padding: 16px;
}

.calendar-shell,
.detail-card,
.admin-card {
  backdrop-filter: blur(10px);
  background: var(--panel-bg);
  border: 1px solid var(--panel-border);
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.calendar-shell {
  padding: 16px;
}

.calendar-toolbar {
  display: grid;
  grid-template-columns: minmax(92px, 120px) 1fr minmax(92px, 120px);
  align-items: center;
  gap: 16px;
  padding: 6px 4px 16px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--muted);
  font-size: 0.8rem;
  letter-spacing: 0.18em;
}

h1,
h2 {
  margin: 0;
}

.submit-event-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border-radius: 999px;
  background: linear-gradient(135deg, #ff6b6b, #ffb347);
  color: #ffffff;
  font-weight: 700;
  box-shadow: 0 16px 32px rgba(255, 107, 107, 0.28);
}

.submit-event-button:hover {
  transform: translateY(-1px);
}

.calendar-toolbar-compact {
  grid-template-columns: auto auto auto minmax(240px, 1fr) auto;
  gap: 10px;
  padding: 4px 4px 10px;
}

.submit-event-button-compact {
  min-height: 42px;
  margin: 0;
  padding: 0 18px;
  justify-self: center;
}

.nav-link,
.button-primary,
.button-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border-radius: 999px;
  border: 1px solid rgba(24, 24, 24, 0.12);
  transition: transform 0.18s ease, background-color 0.18s ease;
}

.button-primary {
  background: var(--accent);
  color: #ffffff;
  cursor: pointer;
}

.button-secondary,
.nav-link {
  background: rgba(255, 255, 255, 0.82);
}

.nav-link:hover,
.button-primary:hover,
.button-secondary:hover {
  transform: translateY(-1px);
}

.nav-link-side:first-child {
  justify-self: start;
}

.nav-link-side:last-child {
  justify-self: end;
}

.chip-group,
.target-grid {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.filter-chip,
.target-option {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(25, 25, 25, 0.08);
  cursor: pointer;
}

.filter-chip-block {
  width: 100%;
  justify-content: flex-start;
}

.filter-dropdown {
  position: relative;
}

.filter-dropdown[open] {
  z-index: 5;
}

.filter-dropdown-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 16px;
  border-radius: 999px;
  border: 1px solid rgba(24, 24, 24, 0.12);
  background: rgba(255, 255, 255, 0.82);
  cursor: pointer;
  list-style: none;
  white-space: nowrap;
}

.filter-dropdown-button::-webkit-details-marker {
  display: none;
}

.filter-dropdown-button::after {
  content: "▾";
  margin-left: 8px;
  font-size: 0.8rem;
}

.filter-dropdown-panel {
  position: absolute;
  top: calc(100% + 8px);
  left: 0;
  min-width: 200px;
  padding: 10px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.96);
  border: 1px solid rgba(24, 24, 24, 0.1);
  box-shadow: 0 18px 36px rgba(20, 20, 20, 0.14);
  display: grid;
  gap: 8px;
}

.chip-swatch {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 1px solid rgba(24, 24, 24, 0.12);
}

.calendar-panel {
  overflow-x: auto;
  border-top: 1px solid rgba(24, 24, 24, 0.08);
  padding: 10px;
  border-radius: 22px;
  background: linear-gradient(180deg, rgba(18, 18, 18, 0.96), rgba(34, 34, 34, 0.94));
}

.calendar-panel-single {
  margin-top: 0;
}

.week-grid {
  display: grid;
  grid-template-columns: clamp(56px, 5vw, 72px) repeat(7, minmax(0, 1fr));
  width: 100%;
  min-width: 980px;
}

.time-column-header,
.day-header {
  height: 68px;
  padding: 10px 8px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.day-header {
  display: flex;
  flex-direction: column;
  gap: 4px;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: sticky;
  top: 0;
  background: rgba(20, 20, 20, 0.96);
  z-index: 2;
}

.day-name {
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.7);
}

.day-date {
  font-size: 1.05rem;
  font-weight: 700;
  color: #ffffff;
}

.time-grid,
.day-body {
  position: relative;
  height: calc(var(--hours-count) * 72px);
}

.time-label,
.hour-line {
  height: 72px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.time-label {
  padding: 0 4px;
  font-size: 0.78rem;
  color: rgba(255, 255, 255, 0.74);
  text-align: right;
  transform: translateY(-0.55em);
}

.day-column {
  border-left: 1px solid rgba(255, 255, 255, 0.08);
  min-width: 0;
}

.hour-line {
  width: 100%;
}

.event-card {
  position: absolute;
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 8px 10px;
  border-radius: 14px;
  color: #ffffff;
  box-shadow: 0 12px 30px rgba(32, 32, 32, 0.18);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.18);
}

.event-card[hidden] {
  display: none;
}

.event-card-dark {
  color: #1a1a1a;
}

.event-time,
.event-meta {
  font-size: 0.72rem;
  line-height: 1.25;
}

.event-title {
  display: flex;
  gap: 6px;
  align-items: center;
  font-size: 0.86rem;
  line-height: 1.3;
}

.event-icon {
  width: 0.95rem;
  text-align: center;
  flex: 0 0 auto;
}

.detail-card,
.admin-card {
  max-width: 820px;
  margin: 40px auto 0;
  padding: 28px;
}

.admin-card-wide {
  max-width: 1320px;
}

.admin-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(340px, 0.9fr);
  gap: 24px;
}

.detail-list {
  display: grid;
  gap: 18px;
  margin: 24px 0;
}

.detail-list div {
  padding-bottom: 14px;
  border-bottom: 1px solid rgba(24, 24, 24, 0.08);
}

.detail-list dt {
  margin-bottom: 4px;
  color: var(--muted);
}

.detail-list dd {
  margin: 0;
  font-size: 1.03rem;
}

.admin-form {
  display: grid;
  gap: 18px;
}

.admin-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.admin-form label,
.admin-form fieldset {
  display: grid;
  gap: 8px;
}

.admin-form input,
.admin-form select {
  min-height: 46px;
  width: 100%;
  padding: 0 14px;
  border-radius: 14px;
  border: 1px solid rgba(24, 24, 24, 0.12);
  background: rgba(255, 255, 255, 0.88);
}

.admin-form fieldset {
  padding: 14px;
  border-radius: 18px;
  border: 1px solid rgba(24, 24, 24, 0.12);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.flash-stack {
  display: grid;
  gap: 10px;
  margin: 18px 0;
}

.flash-message {
  padding: 12px 14px;
  border-radius: 14px;
}

.flash-success {
  background: rgba(102, 187, 106, 0.18);
  color: #205726;
}

.flash-error {
  background: rgba(225, 87, 89, 0.16);
  color: #8c2022;
}

.admin-list-panel {
  padding: 18px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.62);
  border: 1px solid rgba(24, 24, 24, 0.08);
  min-width: 0;
}

.admin-list-header {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: baseline;
  margin-bottom: 14px;
}

.admin-event-list {
  display: grid;
  gap: 12px;
  max-height: 70vh;
  overflow: auto;
  padding-right: 4px;
}

.admin-event-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 14px;
  padding: 14px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(24, 24, 24, 0.08);
}

.admin-event-main {
  display: grid;
  gap: 6px;
  min-width: 0;
}

.admin-event-main span,
.admin-event-main a {
  color: var(--muted);
  font-size: 0.88rem;
  overflow-wrap: anywhere;
}

.admin-edit-link {
  align-self: start;
}

.admin-item-actions {
  display: grid;
  gap: 8px;
  align-content: start;
}

.admin-empty {
  margin: 0;
  color: var(--muted);
}

@media (max-width: 1024px) {
  .page-shell {
    padding: 10px;
  }

  .calendar-shell {
    padding: 12px;
  }

  .week-grid {
    min-width: 860px;
  }

  .calendar-toolbar-compact {
    grid-template-columns: auto auto auto auto auto;
  }
}

@media (max-width: 900px) {
  .calendar-toolbar-compact {
    grid-template-columns: 1fr 1fr;
  }

  .submit-event-button-compact {
    grid-column: 1 / -1;
    justify-self: stretch;
  }

  .form-grid {
    grid-template-columns: 1fr;
  }

  .admin-layout {
    grid-template-columns: 1fr;
  }
}