/* ============================================================
   OMETEK — Component classes
   Reusable patterns layered on top of ometek-tokens.css.
   Tailwind utilities still work alongside these.
   ============================================================ */

/* ---------- HUD background (dot grid) ---------- */
.hud-grid {
  background-image: radial-gradient(circle at 1px 1px, var(--grid-color) 1px, transparent 0);
  background-size: var(--grid-size) var(--grid-size);
}

.hud-grid--mask {
  -webkit-mask-image: radial-gradient(ellipse at 50% 30%, #000 35%, transparent 85%);
          mask-image: radial-gradient(ellipse at 50% 30%, #000 35%, transparent 85%);
}

/* Aurora blobs used on hero/auth backgrounds */
.aurora {
  position: absolute;
  filter: blur(90px);
  opacity: .55;
  border-radius: 50%;
  mix-blend-mode: screen;
  pointer-events: none;
}
.aurora--lime    { background: var(--brand-lime-400); }
.aurora--magenta { background: var(--brand-magenta-400); }
.aurora--cyan    { background: var(--brand-cyan-400); }

/* ---------- Eyebrow (mono uppercase label with accent bar) ---------- */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: var(--ls-mega);
  text-transform: uppercase;
  color: var(--fg-3);
}
.eyebrow::before {
  content: "";
  width: 24px;
  height: 1px;
  background: var(--accent);
  display: inline-block;
}

/* ---------- Display headings ---------- */
.h-display {
  font-family: var(--font-display);
  font-weight: var(--fw-black);
  letter-spacing: var(--ls-display);
  line-height: var(--lh-tight);
  color: var(--fg-1);
  margin: 0;
  /* Long display names / titles must wrap, not blow out the viewport. */
  overflow-wrap: anywhere;
  word-break: break-word;
}
.h-display--xl  { font-size: clamp(28px, 7vw, 48px); }
.h-display--lg  { font-size: clamp(24px, 5.5vw, 38px); }
.h-display--md  { font-size: clamp(20px, 4vw, 30px); }
.h-display--sm  { font-size: clamp(18px, 3vw, 24px); }

/* ---------- Cards (HUD card shell) ---------- */
.card {
  background: var(--bg-2);
  border: 1px solid var(--line-2);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-md);
}
.card--flat   { box-shadow: none; }
.card--inset  { background: var(--bg-1); }
.card--glow   { box-shadow: var(--glow-lime); }
.card--xl     { border-radius: var(--r-xl); }

.card-hover {
  transition: border-color var(--dur-fast) var(--ease-standard), transform var(--dur-fast) var(--ease-standard), box-shadow var(--dur-base) var(--ease-standard);
}
.card-hover:hover {
  border-color: var(--line-3);
  transform: translateY(-2px);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: var(--r-md);
  font-family: var(--font-sans);
  font-weight: var(--fw-semibold);
  font-size: var(--fs-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: background var(--dur-fast) var(--ease-standard), color var(--dur-fast) var(--ease-standard), border-color var(--dur-fast) var(--ease-standard), transform var(--dur-fast) var(--ease-standard), box-shadow var(--dur-fast) var(--ease-standard);
  text-decoration: none;
  white-space: nowrap;
  line-height: 1;
}
.btn:active { transform: translateY(1px) scale(0.98); }
.btn--primary {
  background: var(--accent);
  color: var(--fg-on-brand);
  box-shadow: var(--glow-lime);
}
.btn--primary:hover {
  background: var(--accent-hover);
}
.btn--ghost {
  background: transparent;
  color: var(--fg-1);
  border-color: var(--line-2);
}
.btn--ghost:hover {
  border-color: var(--line-3);
  background: var(--bg-2);
}
.btn--tonal {
  background: var(--accent-soft);
  color: var(--brand-lime-300);
  border-color: var(--accent-ring);
}
.btn--danger {
  background: var(--danger);
  color: #fff;
}
.btn--hot {
  background: var(--hot);
  color: #fff;
  box-shadow: var(--glow-magenta);
}
.btn--icon {
  background: transparent;
  border-color: var(--line-2);
  padding: 8px;
  color: var(--fg-2);
}
.btn--icon:hover { color: var(--fg-1); border-color: var(--line-3); }
.btn--sm { padding: 6px 12px; font-size: var(--fs-xs); border-radius: 8px; }
.btn--lg { padding: 14px 22px; font-size: var(--fs-md); border-radius: 12px; }

/* ---------- Chips (status-aware tonal pills) ---------- */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: var(--r-pill);
  font-family: var(--font-sans);
  font-weight: var(--fw-semibold);
  font-size: var(--fs-xs);
  letter-spacing: var(--ls-wide);
  border: 1px solid var(--line-2);
  background: var(--bg-2);
  color: var(--fg-2);
  white-space: nowrap;
}
.chip--mono { font-family: var(--font-mono); letter-spacing: 0; }
.chip--ok      { background: var(--accent-soft); color: var(--accent);              border-color: var(--accent-ring); }
.chip--info    { background: var(--info-soft);   color: var(--brand-cyan-300);      border-color: rgba(34,196,240,.4); }
.chip--xp,
.chip--warn    { background: var(--warn-soft);   color: var(--brand-gold-300);      border-color: rgba(255,184,0,.4); }
.chip--hot     { background: var(--hot-soft);    color: var(--hot);                 border-color: rgba(255,46,168,.4); }
.chip--danger  { background: var(--danger-soft); color: var(--brand-red-400);       border-color: rgba(255,43,62,.4); }
.chip--boss    { background: var(--boss-soft);   color: var(--brand-violet-300);    border-color: var(--brand-violet-500); }
[data-theme="light"] .chip--info   { color: var(--brand-cyan-700); }
[data-theme="light"] .chip--xp,
[data-theme="light"] .chip--warn   { color: var(--brand-gold-700); }
[data-theme="light"] .chip--danger { color: var(--brand-red-600); }

/* Dot before chip text */
.chip--dot::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
  display: inline-block;
}

/* ---------- Status pill (semantic meaning baked in) ---------- */
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 2px 8px;
  border-radius: var(--r-pill);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-wide);
  text-transform: lowercase;
  border: 1px solid;
}
.status-pill--approved,
.status-pill--admin_solved { background: var(--accent-soft); color: var(--accent);          border-color: var(--accent-ring); }
.status-pill--submitted    { background: var(--warn-soft);   color: var(--brand-gold-300);  border-color: rgba(255,184,0,.4); }
.status-pill--rejected     { background: var(--danger-soft); color: var(--brand-red-400);   border-color: rgba(255,43,62,.4); }
.status-pill--admin_solved { background: var(--boss-soft);   color: var(--brand-violet-300);border-color: var(--brand-violet-500); }
[data-theme="light"] .status-pill--submitted { color: var(--brand-gold-700); }
[data-theme="light"] .status-pill--rejected  { color: var(--brand-red-600); }

/* ---------- Status box (square 28px button used on rows) ---------- */
.status-box {
  width: 28px;
  height: 28px;
  border-radius: 8px;
  border: 2px solid var(--line-3);
  background: transparent;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--fg-3);
  cursor: pointer;
  transition: all var(--dur-fast) var(--ease-standard);
  flex-shrink: 0;
}
.status-box:hover { border-color: var(--accent); }
.status-box--approved,
.status-box--admin_solved { background: var(--accent); border-color: var(--accent); color: var(--fg-on-brand); }
.status-box--admin_solved { background: var(--boss);   border-color: var(--boss);   color: #fff; }
.status-box--submitted    { background: var(--warn);   border-color: var(--warn);   color: #06080d; }
.status-box--rejected     { background: var(--danger); border-color: var(--danger); color: #fff; }

/* ---------- Row backgrounds tied to status ---------- */
.row-status--approved,
.row-status--admin_solved { background: rgba(34,240,106,0.04); }
.row-status--submitted    { background: rgba(255,184,0,0.05); }
.row-status--rejected     { background: rgba(255,43,62,0.05); }

/* ---------- Form fields ---------- */
.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.field-label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: var(--ls-mega);
  text-transform: uppercase;
  color: var(--fg-3);
}
.field-input,
.field-select,
.field-textarea {
  background: var(--bg-2);
  border: 1px solid var(--line-2);
  border-radius: var(--r-md);
  padding: 10px 12px;
  color: var(--fg-1);
  font-family: var(--font-sans);
  font-size: var(--fs-sm);
  outline: none;
  width: 100%;
  transition: border-color var(--dur-fast) var(--ease-standard), box-shadow var(--dur-fast) var(--ease-standard);
}
.field-input:focus,
.field-select:focus,
.field-textarea:focus {
  border-color: var(--line-focus);
  box-shadow: 0 0 0 3px var(--accent-ring);
}
.field-input--mono { font-family: var(--font-mono); }
.field-input:disabled,
.field-select:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

/* ---------- Tables (HUD style) ----------
   Mobile-safe: shell scrolls horizontally when columns overflow. Inner
   table keeps a min-width so columns don't collapse into illegible slivers. */
.table-shell {
  background: var(--bg-2);
  border: 1px solid var(--line-2);
  border-radius: var(--r-lg);
  overflow-x: auto;
  overflow-y: hidden;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}
.table-shell::-webkit-scrollbar       { height: 8px; }
.table-shell::-webkit-scrollbar-thumb { background: var(--line-2); border-radius: 4px; }

.table {
  width: 100%;
  min-width: 640px;
  border-collapse: separate;
  border-spacing: 0;
}
.table thead th {
  background: rgba(255,255,255,0.02);
  padding: 12px 16px;
  text-align: left;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: var(--ls-mega);
  text-transform: uppercase;
  color: var(--fg-3);
  border-bottom: 1px solid var(--line-2);
  font-weight: var(--fw-semibold);
}
[data-theme="light"] .table thead th { background: rgba(12,15,23,0.04); }
.table tbody td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--line-1);
  font-size: var(--fs-sm);
  color: var(--fg-2);
}
.table tbody tr:last-child td { border-bottom: 0; }
.table tbody tr:hover td { background: rgba(255,255,255,0.02); }
[data-theme="light"] .table tbody tr:hover td { background: rgba(12,15,23,0.02); }

/* ---------- Stat card ---------- */
.stat-card {
  background: var(--bg-2);
  border: 1px solid var(--line-2);
  border-radius: var(--r-lg);
  padding: 14px 18px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  box-shadow: var(--shadow-md);
}
.stat-card__label {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: var(--ls-mega);
  text-transform: uppercase;
  color: var(--fg-3);
}
.stat-card__value {
  font-family: var(--font-display);
  font-weight: var(--fw-black);
  font-size: var(--fs-3xl);
  line-height: 1;
  letter-spacing: var(--ls-tight);
  font-variant-numeric: tabular-nums;
  color: var(--fg-1);
}
.stat-card__value--ok     { color: var(--accent); }
.stat-card__value--warn   { color: var(--brand-gold-300); }
.stat-card__value--hot    { color: var(--hot); }
.stat-card__value--danger { color: var(--brand-red-400); }
.stat-card__value--info   { color: var(--brand-cyan-300); }
.stat-card__sub {
  font-size: var(--fs-xs);
  color: var(--fg-3);
}

/* ---------- Avatar ---------- */
.avatar {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--r-md);
  background: var(--grad-brand);
  color: var(--fg-on-brand);
  font-family: var(--font-display);
  font-weight: var(--fw-black);
  flex-shrink: 0;
  user-select: none;
}
.avatar--sm { width: 32px; height: 32px; font-size: var(--fs-sm); border-radius: 8px; }
.avatar--md { width: 44px; height: 44px; font-size: var(--fs-lg); border-radius: 10px; }
.avatar--lg { width: 64px; height: 64px; font-size: var(--fs-2xl); border-radius: 14px; box-shadow: var(--glow-lime); }
.avatar--hud   { background: var(--grad-hud); color: #06080d; }
.avatar--gold  { background: var(--grad-xp);  color: #06080d; }
.avatar--hot   { background: var(--grad-hot); color: #fff; }

/* ---------- Progress bar ---------- */
.progress {
  width: 100%;
  height: 6px;
  background: var(--bg-3);
  border-radius: 3px;
  overflow: hidden;
}
.progress__fill {
  height: 100%;
  border-radius: 3px;
  background: var(--accent);
  transition: width var(--dur-slow) var(--ease-emphasize);
}
.progress__fill--full   { background: var(--accent); }
.progress__fill--info   { background: var(--brand-cyan-400); }
.progress__fill--empty  { background: var(--bg-3); }

/* ---------- Sidebar nav item ---------- */
.nav-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px;
  border-radius: var(--r-md);
  font-family: var(--font-sans);
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  color: var(--fg-2);
  text-decoration: none;
  transition: background var(--dur-fast) var(--ease-standard), color var(--dur-fast) var(--ease-standard);
}
.nav-item:hover {
  background: var(--bg-2);
  color: var(--fg-1);
}
.nav-item--active {
  background: var(--accent-soft);
  color: var(--accent);
  border: 1px solid var(--accent-ring);
}
.nav-section {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: var(--ls-mega);
  text-transform: uppercase;
  color: var(--fg-4);
  padding: 0 12px;
  margin-bottom: 6px;
}

/* ---------- Top nav glass ---------- */
.topnav {
  background: color-mix(in oklab, var(--bg-0) 80%, transparent);
  backdrop-filter: blur(18px) saturate(140%);
  -webkit-backdrop-filter: blur(18px) saturate(140%);
  border-bottom: 1px solid var(--line-2);
}

/* ---------- Banner / inline alerts ---------- */
.banner {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: var(--r-md);
  font-size: var(--fs-sm);
  border-left: 3px solid;
  background: var(--bg-2);
  border: 1px solid var(--line-2);
}
.banner--success { border-left-color: var(--accent); background: var(--accent-soft); border-color: var(--accent-ring); color: var(--fg-1); }
.banner--info    { border-left-color: var(--info);   background: var(--info-soft);   border-color: rgba(34,196,240,.4); color: var(--fg-1); }
.banner--warn    { border-left-color: var(--warn);   background: var(--warn-soft);   border-color: rgba(255,184,0,.4); color: var(--fg-1); }
.banner--danger  { border-left-color: var(--danger); background: var(--danger-soft); border-color: rgba(255,43,62,.4); color: var(--fg-1); }

/* ---------- Modal shell (used by quick-assign) ---------- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}
.modal-card {
  background: var(--bg-1);
  border: 1px solid var(--line-2);
  border-radius: var(--r-xl);
  box-shadow: var(--shadow-lg);
  width: 100%;
  max-width: 520px;
  overflow: hidden;
}

/* ---------- Logo lockup ---------- */
.brand-lockup {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--fg-1);
}
.brand-lockup__mark { width: 30px; height: 30px; }
.brand-lockup__name {
  font-family: var(--font-display);
  font-weight: var(--fw-black);
  font-size: var(--fs-md);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
}

/* ---------- Rank shield (hex clip-path) ---------- */
.tier-shield {
  --shield-size: 48px;
  --shield-bg: var(--tier-wood);
  width: var(--shield-size);
  height: calc(var(--shield-size) * 1.15);
  background: var(--shield-bg);
  clip-path: polygon(50% 0, 100% 20%, 100% 72%, 50% 100%, 0 72%, 0 20%);
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  font-family: var(--font-display);
  font-weight: 900;
  color: #06080d;
  filter: drop-shadow(0 4px 10px rgba(0, 0, 0, 0.4));
  flex-shrink: 0;
  user-select: none;
  position: relative;
}
.tier-shield__name {
  font-size: calc(var(--shield-size) * 0.18);
  letter-spacing: 0.14em;
  font-weight: 700;
  position: relative;
  z-index: 2;
}
.tier-shield__div {
  font-size: calc(var(--shield-size) * 0.34);
  line-height: 1;
  letter-spacing: -0.03em;
  position: relative;
  z-index: 2;
}
.tier-shield--wood,
.tier-shield--bronze,
.tier-shield--master,
.tier-shield--grandmaster,
.tier-shield--legend { color: #fff; }
.tier-shield--silver,
.tier-shield--gold,
.tier-shield--platinum,
.tier-shield--diamond { color: #06080d; }
.tier-shield--glow { filter: drop-shadow(0 0 14px var(--shield-bg)); }
.tier-shield--legend {
  background: repeating-linear-gradient(
    120deg,
    red 0%, orange 6.25%, yellow 12.5%, lime 18.75%,
    cyan 25%, blue 31.25%, violet 37.5%, red 50%
  );
  background-size: 800% 800%;
  animation: grad-legend-move 16s linear infinite;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.6);
}
@keyframes grad-legend-move {
  0%   { background-position: 0% 0%; }
  100% { background-position: 100% 100%; }
}

/* ---------- Language switcher ---------- */
.lang-switch {
  margin: 0;
  display: inline-flex;
}
.lang-switch__group {
  display: inline-flex;
  background: var(--bg-2);
  border: 1px solid var(--line-2);
  border-radius: 8px;
  padding: 2px;
  gap: 0;
}
.lang-switch__btn {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  letter-spacing: var(--ls-wide);
  color: var(--fg-3);
  background: transparent;
  border: 0;
  padding: 4px 8px;
  border-radius: 6px;
  cursor: pointer;
  transition: background var(--dur-fast) var(--ease-standard),
              color var(--dur-fast) var(--ease-standard);
}
.lang-switch__btn:hover { color: var(--fg-1); }
.lang-switch__btn--active {
  background: var(--accent);
  color: var(--fg-on-brand);
}
.lang-switch__btn--active:hover { color: var(--fg-on-brand); }

/* ---------- Animations ---------- */
@keyframes ometek-pop-in {
  0%   { transform: scale(.6) rotate(-6deg); opacity: 0; }
  70%  { transform: scale(1.08) rotate(2deg); opacity: 1; }
  100% { transform: scale(1) rotate(0); }
}
@keyframes ometek-pulse {
  50% { opacity: .35; }
}
@keyframes ometek-shimmer {
  0%   { background-position: -200% 0; }
  100% { background-position:  200% 0; }
}
.shimmer {
  background: linear-gradient(90deg, transparent, rgba(255,255,255,.18), transparent);
  background-size: 200% 100%;
  animation: ometek-shimmer 2.4s linear infinite;
}

/* HTMX indicator helpers (kept for consistency with existing markup) */
[x-cloak] { display: none !important; }
.htmx-indicator { display: none; }
.htmx-request .htmx-indicator { display: inline-block; }
.htmx-request.htmx-indicator { display: inline-block; }

/* ===========================================================
   Activity calendar — 12 month cards
   Mirrors prev_version_calendar/templates/components/calendar_year.html:
     - responsive CSS grid: 2 / 3 / 4 / 6 / 12 cols
     - each card is a mini heatmap (weeks horizontal, days vertical)
   =========================================================== */
.cal-months-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}
@media (min-width: 640px)  { .cal-months-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (min-width: 768px)  { .cal-months-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
@media (min-width: 1024px) { .cal-months-grid { grid-template-columns: repeat(6, minmax(0, 1fr)); } }
@media (min-width: 1280px) { .cal-months-grid { grid-template-columns: repeat(12, minmax(0, 1fr)); gap: 8px; } }

.cal-month-card {
  background: var(--bg-1);
  border: 1px solid var(--line-1);
  border-radius: var(--r-md);
  padding: 12px;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: 8px;
  min-width: 0;
  transition: border-color .14s var(--ease-standard);
}
.cal-month-card:hover { border-color: var(--line-2); }

.cal-month-card__title {
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--fg-2);
  margin: 0;
  text-align: center;
}

/* Heatmap layout per card:
     outer = horizontal flex of week-columns
     each week = vertical flex of 7 day cells (Mon top → Sun bottom) */
.cal-month-card__weeks {
  display: flex;
  justify-content: center;
  align-items: flex-start;
  gap: 2px;
}
.cal-month-card__week {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.cal-cell {
  width: 12px;
  height: 12px;
  min-width: 12px;
  min-height: 12px;
  border-radius: 2px;
  background: var(--bg-2);
  border: 1px solid var(--line-1);
  padding: 0;
  margin: 0;
  cursor: pointer;
  display: block;
  transition: transform .12s var(--ease-standard), box-shadow .12s var(--ease-standard);
}
.cal-cell:hover {
  transform: scale(1.35);
  box-shadow: 0 0 0 2px var(--accent-ring);
  z-index: 2;
  position: relative;
}
.cal-cell--blank {
  background: transparent;
  border-color: transparent;
  cursor: default;
  pointer-events: none;
  visibility: hidden;
}
/* Legend swatches: inline + non-interactive. */
.cal-legend .cal-cell {
  display: inline-block;
  cursor: default;
  vertical-align: middle;
}
.cal-legend .cal-cell:hover {
  transform: none;
  box-shadow: none;
}
.cal-cell--i0 { background: var(--bg-2);                border-color: var(--line-1); }
.cal-cell--i1 { background: rgba(176,255,76,.20);       border-color: rgba(176,255,76,.32); }
.cal-cell--i2 { background: rgba(176,255,76,.42);       border-color: rgba(176,255,76,.55); }
.cal-cell--i3 { background: rgba(176,255,76,.68);       border-color: rgba(176,255,76,.85); }
.cal-cell--i4 { background: var(--accent);              border-color: var(--accent); box-shadow: 0 0 8px rgba(176,255,76,.45); }

[data-theme="light"] .cal-cell--i1 { background: rgba(106,194,32,.18); border-color: rgba(106,194,32,.30); }
[data-theme="light"] .cal-cell--i2 { background: rgba(106,194,32,.40); border-color: rgba(106,194,32,.52); }
[data-theme="light"] .cal-cell--i3 { background: rgba(106,194,32,.66); border-color: rgba(106,194,32,.82); }
[data-theme="light"] .cal-cell--i4 { background: rgba(106,194,32,1);   border-color: rgba(106,194,32,1); box-shadow: 0 0 8px rgba(106,194,32,.45); }

/* Class-day marker: violet ring on top of the intensity color. */
.cal-cell--class {
  box-shadow: inset 0 0 0 1.5px var(--brand-violet-300), 0 0 0 1px rgba(126,84,255,.35);
}
.cal-cell--class.cal-cell--i4 {
  box-shadow: inset 0 0 0 1.5px var(--brand-violet-300), 0 0 8px rgba(176,255,76,.55);
}

@media (prefers-reduced-motion: reduce) {
  .cal-cell { transition: none; }
  .cal-cell:hover { transform: none; }
}