:root {
  --calendar-presence: #bf1e2e;
  --calendar-presence-dark: #941424;
  --calendar-hybrid: #2367a6;
  --calendar-hybrid-dark: #174d80;
  --calendar-practice: #a8d7f3;
  --calendar-practice-dark: #315f7c;
  --calendar-ink: #172333;
  --calendar-muted: #5e6976;
  --calendar-line: #dce3e9;
  --calendar-canvas: #f5f7f9;
  --calendar-paper: #fff;
  --calendar-shadow: 0 18px 42px rgba(23, 35, 51, 0.1);
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

body.calendar-page {
  margin: 0;
  color: var(--calendar-ink);
  background: var(--calendar-canvas);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
}

.calendar-page a {
  color: inherit;
}

.calendar-container {
  width: min(1260px, calc(100% - 2.4rem));
  margin-inline: auto;
}

.calendar-topbar {
  color: #fff;
  background: #172333;
  font-size: 0.86rem;
}

.calendar-topbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 46px;
}

.calendar-topbar__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
}

.calendar-topbar a {
  text-decoration: none;
}

.calendar-header {
  background: #fff;
  border-bottom: 1px solid var(--calendar-line);
}

.calendar-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 86px;
}

.calendar-brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--calendar-ink);
  font-weight: 820;
  text-decoration: none;
}

.calendar-brand img {
  width: 60px;
  height: 60px;
  object-fit: contain;
}

.calendar-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.35rem;
}

.calendar-nav a {
  padding: 0.65rem 0.8rem;
  border-radius: 10px;
  font-size: 0.9rem;
  font-weight: 730;
  text-decoration: none;
}

.calendar-nav a:hover,
.calendar-nav a[aria-current="page"] {
  background: #eef3f7;
}

.calendar-hero {
  padding-block: clamp(2.7rem, 6vw, 5rem);
  background:
    radial-gradient(circle at 86% 20%, rgba(168, 215, 243, 0.5), transparent 30%),
    linear-gradient(135deg, #fff 0%, #f8fafc 58%, #edf4f8 100%);
  border-bottom: 1px solid var(--calendar-line);
}

.calendar-kicker {
  margin: 0 0 0.4rem;
  color: #315f7c;
  font-size: 0.78rem;
  font-weight: 850;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}

.calendar-hero h1 {
  max-width: 880px;
  margin: 0;
  color: var(--calendar-ink);
  font-size: clamp(2.3rem, 5vw, 4.3rem);
  line-height: 1.08;
  letter-spacing: -0.045em;
}

.calendar-hero p:not(.calendar-kicker) {
  max-width: 790px;
  margin: 1rem 0 0;
  color: var(--calendar-muted);
  font-size: clamp(1.05rem, 2vw, 1.22rem);
}

.calendar-main {
  padding-block: clamp(2rem, 5vw, 4.2rem);
}

.calendar-shell {
  padding: clamp(1rem, 2.8vw, 2rem);
  background: #fff;
  border: 1px solid var(--calendar-line);
  border-radius: 26px;
  box-shadow: var(--calendar-shadow);
}

.calendar-legend,
.calendar-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

.calendar-legend {
  margin-bottom: 1rem;
}

.legend-button {
  display: inline-flex;
  align-items: center;
  gap: 0.52rem;
  min-height: 42px;
  padding: 0.55rem 0.8rem;
  color: var(--calendar-ink);
  background: #fff;
  border: 1px solid var(--calendar-line);
  border-radius: 10px;
  font: inherit;
  font-size: 0.91rem;
  font-weight: 720;
  cursor: pointer;
}

.legend-button[aria-pressed="false"] {
  opacity: 0.43;
  filter: grayscale(0.65);
}

.legend-dot {
  width: 18px;
  height: 18px;
  border-radius: 999px;
}

.legend-dot--presence {
  background: var(--calendar-presence);
}

.legend-dot--hybrid {
  background: var(--calendar-hybrid);
}

.legend-dot--practice {
  background: var(--calendar-practice);
  border: 1px solid #78b8dd;
}

.calendar-filters {
  padding: 0.9rem 0 1.25rem;
  border-top: 1px solid var(--calendar-line);
}

.calendar-filters label {
  display: grid;
  gap: 0.25rem;
  color: var(--calendar-muted);
  font-size: 0.76rem;
  font-weight: 760;
}

.calendar-filters select {
  min-width: 170px;
  min-height: 43px;
  padding: 0.55rem 2rem 0.55rem 0.7rem;
  color: var(--calendar-ink);
  background: #fff;
  border: 1px solid #cfd8df;
  border-radius: 10px;
  font: inherit;
  font-size: 0.92rem;
}

.calendar-desktop-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.65fr) minmax(300px, 0.75fr);
  gap: 1.15rem;
  align-items: start;
}

.month-panel,
.upcoming-panel {
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--calendar-line);
  border-radius: 18px;
}

.month-toolbar {
  display: grid;
  grid-template-columns: 46px 1fr 46px;
  align-items: center;
  padding: 0.7rem;
  border-bottom: 1px solid var(--calendar-line);
}

.month-toolbar h2 {
  margin: 0;
  color: var(--calendar-ink);
  font-size: clamp(1.25rem, 3vw, 1.75rem);
  text-align: center;
}

.month-nav-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  color: var(--calendar-ink);
  background: #fff;
  border: 1px solid var(--calendar-line);
  border-radius: 10px;
  font: inherit;
  font-size: 1.45rem;
  cursor: pointer;
}

.weekday-row {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  color: var(--calendar-muted);
  background: #f7f9fa;
  border-bottom: 1px solid var(--calendar-line);
  font-size: 0.78rem;
  font-weight: 790;
  text-align: center;
}

.weekday-row span {
  padding: 0.55rem 0.2rem;
}

.calendar-weeks {
  background: #fff;
}

.calendar-week {
  position: relative;
  min-height: var(--week-height, 112px);
  border-bottom: 1px solid var(--calendar-line);
}

.calendar-week:last-child {
  border-bottom: 0;
}

.calendar-week__days {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
}

.calendar-day {
  padding: 0.5rem;
  border-right: 1px solid var(--calendar-line);
  font-size: 0.78rem;
}

.calendar-day:last-child {
  border-right: 0;
}

.calendar-day.is-outside {
  color: #a5adb5;
  background: #fafbfc;
}

.calendar-day.is-today strong {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  color: #fff;
  background: var(--calendar-ink);
  border-radius: 999px;
}

.calendar-week__events {
  position: absolute;
  inset: 42px 0 10px;
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  grid-auto-rows: 30px;
  gap: 4px 0;
  pointer-events: none;
}

.calendar-event {
  z-index: 2;
  display: block;
  overflow: hidden;
  margin-inline: 4px;
  padding: 0.35rem 0.55rem;
  color: #fff;
  border-radius: 7px;
  font-size: 0.72rem;
  font-weight: 790;
  line-height: 1.1;
  text-overflow: ellipsis;
  text-decoration: none;
  white-space: nowrap;
  pointer-events: auto;
}

.calendar-event--presence {
  background: linear-gradient(135deg, var(--calendar-presence), var(--calendar-presence-dark));
}

.calendar-event--hybrid {
  background: linear-gradient(135deg, var(--calendar-hybrid), var(--calendar-hybrid-dark));
}

.calendar-event--practice {
  color: #173f5a;
  background: linear-gradient(135deg, #c7e8fa, var(--calendar-practice));
  border: 1px solid #80bddf;
}

.calendar-event:hover,
.calendar-event:focus-visible {
  outline: 3px solid rgba(23, 35, 51, 0.24);
  outline-offset: 1px;
}

.upcoming-panel {
  position: sticky;
  top: 1rem;
}

.upcoming-panel h2 {
  margin: 0;
  padding: 1rem;
  color: var(--calendar-ink);
  border-bottom: 1px solid var(--calendar-line);
  font-size: 1.32rem;
}

.upcoming-list {
  display: grid;
  gap: 0.7rem;
  max-height: 690px;
  padding: 0.8rem;
  overflow: auto;
}

.seminar-card {
  padding: 0.9rem;
  background: #fff;
  border: 1px solid var(--calendar-line);
  border-left: 6px solid var(--calendar-line);
  border-radius: 12px;
}

.seminar-card--presence {
  border-left-color: var(--calendar-presence);
}

.seminar-card--hybrid {
  border-left-color: var(--calendar-hybrid);
}

.seminar-card--practice {
  border-left-color: #8bc7e8;
}

.seminar-card__date {
  margin: 0 0 0.25rem;
  color: var(--calendar-muted);
  font-size: 0.8rem;
  font-weight: 780;
}

.seminar-card h3 {
  margin: 0;
  color: var(--calendar-ink);
  font-size: 1rem;
  line-height: 1.25;
}

.seminar-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem 0.65rem;
  margin: 0.5rem 0 0;
  color: var(--calendar-muted);
  font-size: 0.8rem;
}

.seminar-card__note {
  margin: 0.5rem 0 0;
  color: #765b20;
  font-size: 0.76rem;
}

.seminar-card__link {
  display: inline-flex;
  justify-content: center;
  width: 100%;
  margin-top: 0.7rem;
  padding: 0.52rem 0.7rem;
  color: var(--calendar-ink);
  background: #fff;
  border: 1px solid #9aa8b4;
  border-radius: 8px;
  font-size: 0.82rem;
  font-weight: 790;
  text-decoration: none;
}

.seminar-card__link:hover {
  background: #f2f5f7;
}

.calendar-mobile-agenda {
  display: none;
}

.calendar-empty {
  padding: 1.2rem;
  color: var(--calendar-muted);
  text-align: center;
}

.calendar-notes {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1.15rem;
}

.calendar-note {
  padding: 1rem;
  color: var(--calendar-muted);
  background: #f8fafb;
  border: 1px solid var(--calendar-line);
  border-radius: 14px;
  font-size: 0.85rem;
}

.calendar-note strong {
  color: var(--calendar-ink);
}

.calendar-note--noscript {
  margin-bottom: 1.1rem;
  border-color: #d8bd76;
  background: #fff8e5;
}

.request-section {
  margin-top: 1.3rem;
  padding: clamp(1.1rem, 3vw, 1.7rem);
  background: #eef6fb;
  border: 1px solid #c9dfed;
  border-radius: 18px;
}

.request-section h2 {
  margin: 0 0 0.35rem;
  color: var(--calendar-ink);
}

.request-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.8rem;
  margin-top: 1rem;
}

.request-card {
  display: flex;
  flex-direction: column;
  padding: 1rem;
  background: #fff;
  border: 1px solid #c7dbe8;
  border-radius: 13px;
}

.request-card h3 {
  margin: 0;
  color: var(--calendar-ink);
}

.request-card p {
  color: var(--calendar-muted);
  font-size: 0.86rem;
}

.request-card a {
  margin-top: auto;
  color: var(--calendar-hybrid-dark);
  font-weight: 780;
}

.calendar-footer {
  padding-block: 2.2rem;
  color: #dce5ec;
  background: #172333;
}

.calendar-footer__inner {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 2rem;
}

.calendar-footer a {
  color: #fff;
}

@media (max-width: 980px) {
  .calendar-nav {
    max-width: 520px;
  }

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

  .upcoming-panel {
    position: static;
  }

  .upcoming-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    max-height: none;
  }
}

@media (max-width: 720px) {
  .calendar-container {
    width: min(100% - 1.1rem, 1260px);
  }

  .calendar-topbar__inner,
  .calendar-header__inner {
    align-items: center;
    flex-direction: column;
    padding-block: 0.7rem;
    text-align: center;
  }

  .calendar-topbar__links,
  .calendar-nav {
    justify-content: center;
  }

  .calendar-brand img {
    width: 52px;
    height: 52px;
  }

  .calendar-shell {
    padding: 0.75rem;
    border-radius: 18px;
  }

  .calendar-legend {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0;
  }

  .legend-button {
    justify-content: center;
    min-width: 0;
    padding: 0.55rem 0.25rem;
    border-radius: 0;
    font-size: 0.77rem;
  }

  .legend-button:first-child {
    border-radius: 9px 0 0 9px;
  }

  .legend-button:last-child {
    border-radius: 0 9px 9px 0;
  }

  .legend-dot {
    display: none;
  }

  .calendar-filters {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .calendar-filters select {
    width: 100%;
    min-width: 0;
  }

  .calendar-desktop-layout {
    display: none;
  }

  .calendar-mobile-agenda {
    display: block;
  }

  .mobile-agenda-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.7rem;
  }

  .mobile-agenda-header h2 {
    margin: 0;
    font-size: 1.35rem;
  }

  .mobile-agenda-list {
    display: grid;
    gap: 0.75rem;
  }

  .mobile-month-group {
    display: grid;
    gap: 0.7rem;
  }

  .mobile-month-group > h3 {
    position: sticky;
    top: 0;
    z-index: 4;
    margin: 0.3rem 0 0;
    padding: 0.55rem 0.7rem;
    color: var(--calendar-ink);
    background: rgba(245, 247, 249, 0.96);
    border: 1px solid var(--calendar-line);
    border-radius: 10px;
    font-size: 1rem;
    backdrop-filter: blur(8px);
  }

  .mobile-more-button {
    width: 100%;
    min-height: 48px;
    margin-top: 1rem;
    color: var(--calendar-ink);
    background: #fff;
    border: 1px solid #9aa8b4;
    border-radius: 10px;
    font: inherit;
    font-weight: 780;
  }

  .calendar-notes,
  .request-grid {
    grid-template-columns: 1fr;
  }

  .calendar-footer__inner {
    flex-direction: column;
    gap: 0.8rem;
  }
}