/* ============================================================
   EVENT CALENDAR — Annual quarter view
   PMI quarter palette: Q1 blue, Q2 orange, Q3 purple, Q4 grey.
   ============================================================ */

/* ── Header band ── */
.cal-header {
  background: linear-gradient(135deg, #0a1230 0%, #11195a 60%, #1a2680 100%);
  color: var(--clr-white);
  padding-block: var(--space-12) var(--space-10);
  position: relative;
  overflow: hidden;
}
.cal-header::after {
  content: '';
  position: absolute; top: 0; right: 0; bottom: 0;
  width: 38%;
  background:
    linear-gradient(135deg, rgba(20, 184, 255, 0.18) 0%, rgba(0, 49, 122, 0) 60%),
    radial-gradient(ellipse at 80% 30%, rgba(20, 184, 255, 0.22), transparent 60%);
  clip-path: polygon(15% 0%, 100% 0%, 100% 100%, 0% 100%);
  pointer-events: none;
}
.cal-header__inner {
  position: relative; z-index: 1;
  display: flex; flex-wrap: wrap; align-items: center; gap: var(--space-6);
}
.cal-header__breadcrumb {
  width: 100%;
  display: flex; align-items: center; gap: var(--space-2);
  font-size: var(--fs-sm);
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: var(--space-2);
}
.cal-header__breadcrumb a { color: rgba(255, 255, 255, 0.6); text-decoration: none; }
.cal-header__breadcrumb a:hover { color: var(--clr-white); }
.cal-header__breadcrumb i { font-size: 10px; }

.cal-header__title-wrap { flex: 1 1 auto; }
.cal-header__kicker {
  font-family: 'Roboto Mono', monospace;
  font-size: var(--fs-xs);
  font-weight: var(--fw-medium);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: rgba(255, 255, 255, 0.7);
  display: block;
  margin-bottom: 0.4rem;
}
.cal-header__title {
  margin: 0;
  font-family: 'Inter', system-ui, sans-serif;
  font-size: clamp(2.25rem, 5vw, 3.75rem);
  font-weight: var(--fw-black);
  letter-spacing: -0.02em;
  line-height: 1.04;
}
.cal-header__title strong { color: #3ad0ff; }

.cal-header__stats {
  display: flex; gap: var(--space-4);
  flex-wrap: wrap;
  margin-top: var(--space-4);
}
.cal-stat {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 0.6rem;
  padding: 0.6rem 1rem;
  min-width: 90px;
  text-align: left;
}
.cal-stat__num {
  display: block;
  font-size: var(--fs-xl);
  font-weight: var(--fw-bold);
  line-height: 1.1;
}
.cal-stat__label {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(255, 255, 255, 0.7);
}

/* Year switcher */
.cal-year-switcher {
  display: flex; align-items: center; gap: var(--space-2);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  padding: 0.35rem 0.4rem;
}
.cal-year-switcher__btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 34px; height: 34px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.07);
  color: var(--clr-white);
  text-decoration: none;
  border: 0;
  transition: background 0.15s, transform 0.05s;
}
.cal-year-switcher__btn:hover { background: rgba(255, 255, 255, 0.18); color: var(--clr-white); }
.cal-year-switcher__btn:active { transform: scale(0.95); }
.cal-year-switcher__btn.is-disabled {
  opacity: 0.3; pointer-events: none;
}
.cal-year-switcher select {
  appearance: none; -webkit-appearance: none;
  background: transparent;
  border: 0;
  color: var(--clr-white);
  font-weight: var(--fw-bold);
  font-size: 1rem;
  padding: 0 0.5rem;
  cursor: pointer;
}
.cal-year-switcher select option { color: #0a1230; }
.cal-year-switcher select:focus { outline: none; }

/* ── Quarter grid ── */
.cal-body {
  background: var(--clr-page-bg);
  padding-block: var(--space-10) var(--space-16);
}

.cal-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}
@media (max-width: 900px) { .cal-grid { grid-template-columns: 1fr; } }

.cal-quarter {
  border-radius: 1.25rem;
  overflow: hidden;
  background: var(--clr-white);
  box-shadow: 0 6px 22px rgba(15, 23, 42, 0.06);
  display: flex; flex-direction: column;
}

/* Quarter header */
.cal-quarter__head {
  padding: 1.5rem 1.5rem 1.25rem;
  color: var(--clr-white);
  position: relative;
  overflow: hidden;
}
.cal-quarter__head::after {
  content: ''; position: absolute; top: 0; right: 0; bottom: 0; width: 35%;
  background: linear-gradient(135deg, rgba(255,255,255,0.18), rgba(255,255,255,0));
  clip-path: polygon(40% 0, 100% 0, 100% 100%, 0% 100%);
  opacity: 0.6;
  pointer-events: none;
}
.cal-quarter__num {
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 1.6rem;
  font-weight: var(--fw-black);
  letter-spacing: -0.01em;
  line-height: 1.1;
  margin: 0;
  position: relative; z-index: 1;
}
.cal-quarter__range {
  margin: 0.15rem 0 0;
  font-size: 0.95rem;
  font-weight: var(--fw-medium);
  opacity: 0.92;
  position: relative; z-index: 1;
}
.cal-quarter__count {
  display: inline-block;
  margin-top: 0.6rem;
  background: rgba(255, 255, 255, 0.22);
  color: var(--clr-white);
  padding: 0.18rem 0.7rem;
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  position: relative; z-index: 1;
}

/* Quarter body */
.cal-quarter__body {
  padding: 1rem;
  flex-grow: 1;
}
.cal-event {
  display: flex; align-items: stretch; gap: 0.75rem;
  border-radius: 0.85rem;
  padding: 0.75rem 1rem;
  margin-bottom: 0.5rem;
  background: var(--cal-quarter-soft);
  transition: transform 0.1s, box-shadow 0.15s;
  position: relative;
}
.cal-event:last-child { margin-bottom: 0; }
.cal-event:hover { transform: translateY(-1px); box-shadow: 0 4px 12px rgba(15, 23, 42, 0.07); }
.cal-event__date {
  flex: 0 0 56px;
  background: var(--clr-white);
  border-radius: 0.5rem;
  text-align: center;
  display: flex; flex-direction: column; justify-content: center;
  padding: 0.3rem 0;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}
.cal-event__date-day {
  font-size: 1.25rem;
  font-weight: var(--fw-black);
  color: var(--cal-quarter-strong);
  line-height: 1;
}
.cal-event__date-month {
  font-size: 0.65rem;
  font-weight: var(--fw-bold);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--cal-quarter-strong);
  opacity: 0.75;
  margin-top: 0.15rem;
}
.cal-event__body {
  flex: 1 1 auto;
  display: flex; flex-direction: column; gap: 0.15rem;
  min-width: 0;
}
.cal-event__title {
  font-size: 0.92rem;
  font-weight: var(--fw-bold);
  color: var(--clr-text-dark);
  line-height: 1.3;
  margin: 0;
}
.cal-event__title a { color: inherit; text-decoration: none; }
.cal-event__title a:hover { color: var(--cal-quarter-strong); }
.cal-event__meta {
  display: flex; flex-wrap: wrap; gap: 0.6rem;
  font-size: 0.72rem;
  color: #6b7a93;
}
.cal-event__meta i {
  color: var(--cal-quarter-strong);
  margin-right: 0.2rem;
}
.cal-event__status {
  display: inline-flex; align-items: center; gap: 0.25rem;
  padding: 0.1rem 0.55rem;
  border-radius: 999px;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.cal-event__status--past {
  background: rgba(15, 23, 42, 0.08); color: #526484;
}
.cal-event__status--upcoming {
  background: rgba(13, 110, 253, 0.12); color: #0d6efd;
}
.cal-event__status--sold-out {
  background: rgba(220, 53, 69, 0.12); color: #dc3545;
}

/* Registration-Open chip — live-state indicator with pulsing dot.
   Shown alongside the status chip on rows where registration is currently open. */
.chip-reg-open {
  display: inline-flex; align-items: center; gap: 0.32rem;
  padding: 0.1rem 0.55rem;
  border-radius: 999px;
  background: #dcfce7;
  color: #166534;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  border: 1px solid rgba(22, 101, 52, 0.18);
  white-space: nowrap;
}
.chip-reg-open__dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: #16a34a;
  box-shadow: 0 0 0 0 rgba(22, 163, 74, 0.6);
  animation: cal-chip-reg-open-pulse 1.6s infinite ease-in-out;
  flex: 0 0 auto;
}
@keyframes cal-chip-reg-open-pulse {
  0%   { box-shadow: 0 0 0 0   rgba(22, 163, 74, 0.55); }
  70%  { box-shadow: 0 0 0 7px rgba(22, 163, 74, 0);    }
  100% { box-shadow: 0 0 0 0   rgba(22, 163, 74, 0);    }
}
@media (prefers-reduced-motion: reduce) {
  .chip-reg-open__dot { animation: none; }
}

/* Empty state per quarter */
.cal-empty {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  text-align: center;
  padding: 2rem 1rem;
  color: #8094ae;
  font-size: 0.85rem;
}
.cal-empty i { font-size: 1.8rem; opacity: 0.35; margin-bottom: 0.4rem; }

/* ── Per-quarter palette (matches the printable PMI calendar) ── */
.cal-q-1 .cal-quarter__head {
  background: linear-gradient(135deg, #0596d1 0%, #38bef4 100%);
}
.cal-q-1 .cal-event {
  --cal-quarter-soft: #e2f4fc;
  --cal-quarter-strong: #036b9e;
}

.cal-q-2 .cal-quarter__head {
  background: linear-gradient(135deg, #ee5a1a 0%, #ff8a3c 100%);
}
.cal-q-2 .cal-event {
  --cal-quarter-soft: #ffe7d4;
  --cal-quarter-strong: #cc4a10;
}

.cal-q-3 .cal-quarter__head {
  background: linear-gradient(135deg, #5a1eb8 0%, #7c3aed 100%);
}
.cal-q-3 .cal-event {
  --cal-quarter-soft: #ebe1f9;
  --cal-quarter-strong: #5b21b6;
}

.cal-q-4 .cal-quarter__head {
  background: linear-gradient(135deg, #4d5a72 0%, #6c7a91 100%);
}
.cal-q-4 .cal-event {
  --cal-quarter-soft: #eceef2;
  --cal-quarter-strong: #475168;
}

/* "This quarter" ring */
.cal-quarter.is-current { outline: 2px solid #3ad0ff; outline-offset: -1px; }
.cal-quarter.is-current .cal-quarter__num::after {
  content: 'Now'; margin-left: 0.6rem;
  background: rgba(255,255,255,0.85); color: #0a1230;
  font-size: 0.6rem;
  padding: 0.1rem 0.55rem;
  border-radius: 999px;
  vertical-align: middle;
  font-weight: 700;
  letter-spacing: 0.06em;
}