/* WCSFF Transition Control — hallmark warmth x 80s retro-future */

:root {
  --paper: #f7f1e8;
  --paper-deep: #efe6d8;
  --ink: #29211a;
  --ink-soft: #6f6357;
  --accent: #b4472f;        /* desaturated terracotta sunset */
  --accent-soft: #b4472f22;
  --line: #d9cbb8;
  --good: #3d7a52;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: 'Outfit', system-ui, sans-serif;
  background: var(--paper);
  color: var(--ink);
  min-height: 100dvh;
}

/* ambient layers */
.scanlines {
  position: fixed; inset: 0; z-index: 40; pointer-events: none;
  background: repeating-linear-gradient(0deg, transparent 0 3px, rgba(41,33,26,0.018) 3px 4px);
}
.horizon {
  position: fixed; left: 0; right: 0; bottom: 0; height: 240px;
  pointer-events: none; opacity: 0.16;
  mask-image: linear-gradient(to top, black 30%, transparent);
  -webkit-mask-image: linear-gradient(to top, black 30%, transparent);
}
.horizon svg { width: 100%; height: 100%; }
.horizon-grid line { stroke: var(--accent); stroke-width: 1; }

/* shell */
.shell {
  position: relative;
  max-width: 1180px;
  margin: 0 auto;
  padding: 4rem 1.5rem 18rem;
  display: grid;
  grid-template-columns: 5fr 7fr;
  gap: 5rem;
}

/* left panel */
.panel { position: sticky; top: 4rem; align-self: start; }

.eyebrow {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem; font-weight: 600;
  letter-spacing: 0.22em; text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.25rem;
}

.panel h1 {
  font-size: clamp(3rem, 6vw, 4.5rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 0.95;
  margin-bottom: 1rem;
}

.panel .sub {
  color: var(--ink-soft);
  line-height: 1.6;
  max-width: 36ch;
  margin-bottom: 2.5rem;
}

.gauge { margin-bottom: 2rem; }
.gauge-head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 0.5rem; }
.gauge-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.65rem; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--ink-soft);
}
.gauge-num { font-family: 'JetBrains Mono', monospace; font-size: 1.4rem; font-weight: 600; }
.gauge-track {
  height: 14px; border: 2px solid var(--ink); border-radius: 3px;
  background: var(--paper-deep); overflow: hidden;
}
.gauge-fill {
  height: 100%; width: 0%;
  background: repeating-linear-gradient(90deg, var(--accent) 0 10px, transparent 10px 14px);
  transition: width 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.countdown {
  display: flex; align-items: baseline; gap: 0.6rem;
  border-top: 1px solid var(--line);
  padding-top: 1.25rem;
  margin-bottom: 2.5rem;
}
.countdown-label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.65rem; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--ink-soft);
}
.countdown-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 2.2rem; font-weight: 600; color: var(--accent); line-height: 1;
}
.countdown-unit { font-family: 'JetBrains Mono', monospace; font-size: 0.7rem; color: var(--ink-soft); }

.care {
  font-size: 0.85rem; font-style: italic; color: var(--ink-soft);
  max-width: 30ch; line-height: 1.6;
  border-left: 2px solid var(--accent); padding-left: 0.9rem;
}

/* right list */
.section-title {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem; font-weight: 600;
  letter-spacing: 0.2em; text-transform: uppercase;
  color: var(--accent);
  padding: 2.2rem 0 0.8rem;
  display: flex; align-items: center; gap: 0.75rem;
}
.section-title::after { content: ''; flex: 1; height: 1px; background: var(--line); }
.section-group:first-child .section-title { padding-top: 0; }

.row {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 1rem;
  align-items: start;
  padding: 1rem 0.25rem;
  border-bottom: 1px solid var(--line);
  transition: background 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.row:hover { background: var(--accent-soft); }
.row.is-checked .row-label { color: var(--ink-soft); text-decoration: line-through; text-decoration-color: var(--accent); text-decoration-thickness: 2px; }

.box { position: relative; margin-top: 2px; }
.box input {
  appearance: none;
  width: 26px; height: 26px;
  border: 2px solid var(--ink); border-radius: 4px;
  background: var(--paper);
  cursor: pointer;
  display: block;
  transition: transform 0.12s ease, background 0.25s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.25s;
}
.box input:active { transform: scale(0.92); }
.box input:checked { background: var(--accent); border-color: var(--accent); }
.box input:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
.box input:disabled { opacity: 0.45; cursor: wait; }
.box svg {
  position: absolute; inset: 0; margin: auto;
  width: 16px; height: 16px;
  pointer-events: none;
  stroke: var(--paper); stroke-width: 3; fill: none;
  stroke-dasharray: 24; stroke-dashoffset: 24;
  transition: stroke-dashoffset 0.3s cubic-bezier(0.16, 1, 0.3, 1) 0.05s;
}
.box input:checked + svg { stroke-dashoffset: 0; }

.row-main { min-width: 0; }
.row-label { font-weight: 600; font-size: 1rem; letter-spacing: -0.01em; }
.row-detail { color: var(--ink-soft); font-size: 0.85rem; line-height: 1.55; margin-top: 0.2rem; max-width: 62ch; }

.row-meta { display: flex; flex-direction: column; align-items: flex-end; gap: 0.35rem; }
.due {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.65rem; font-weight: 600;
  border: 1px solid var(--line); border-radius: 3px;
  padding: 0.2rem 0.45rem;
  color: var(--ink-soft);
  white-space: nowrap;
}
.due.urgent { border-color: var(--accent); color: var(--accent); }

.save-state {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.62rem; font-weight: 600; letter-spacing: 0.14em; text-transform: uppercase;
  min-height: 1em;
  opacity: 0;
  transition: opacity 0.25s;
}
.save-state.show { opacity: 1; }
.save-state.saved { color: var(--good); }
.save-state.error { color: var(--accent); }

/* system rows */
.row[data-slug="e2e-smoke"] { opacity: 0.6; }
.row[data-slug="e2e-smoke"] .row-label { font-family: 'JetBrains Mono', monospace; font-size: 0.85rem; font-weight: 400; }

/* loading / error / empty */
.skeleton-row {
  height: 58px; margin-bottom: 12px; border-radius: 4px;
  background: linear-gradient(90deg, var(--paper-deep) 25%, #f3ebdd 45%, var(--paper-deep) 65%);
  background-size: 200% 100%;
  animation: shimmer 1.4s infinite;
}
@keyframes shimmer { to { background-position: -200% 0; } }

.load-error, .empty {
  border: 2px dashed var(--line); border-radius: 6px;
  padding: 2.5rem; text-align: center; color: var(--ink-soft);
}
.load-error button {
  margin-top: 1rem;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase;
  background: var(--ink); color: var(--paper);
  border: none; border-radius: 4px;
  padding: 0.7rem 1.6rem; cursor: pointer;
  transition: transform 0.12s ease;
}
.load-error button:active { transform: scale(0.97); }

@media (max-width: 860px) {
  .shell { grid-template-columns: 1fr; gap: 3rem; padding: 2.5rem 1rem 14rem; }
  .panel { position: static; }
  .row-meta { align-items: flex-start; }
}