:root {
  --bg: #0e0f14;
  --bg-elev: #15171f;
  --ink: #ece6d6;
  --ink-mute: #a59f8f;
  --line: #2a2c35;
  --accent: #c9a96e;
  --accent-soft: #c9a96e33;
  --success: #6fa286;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--ink); }
body {
  font-family: 'Inter', system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  min-height: 100vh;
}

main {
  max-width: 880px;
  margin: 0 auto;
  padding: 32px 24px 80px;
}

.topbar {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 24px;
  padding-bottom: 28px;
  border-bottom: 1px solid var(--line);
}

.mark {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 500;
  font-size: 26px;
  letter-spacing: 0.04em;
  color: var(--accent);
}

.progress-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 8px;
  min-width: 200px;
}
#progress-label {
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
.progress-track {
  width: 100%;
  height: 3px;
  background: var(--line);
  border-radius: 2px;
  overflow: hidden;
}
.progress-fill {
  height: 100%;
  width: 0;
  background: var(--accent);
  transition: width 400ms ease;
}

.now-playing {
  padding: 64px 0 48px;
  text-align: center;
  border-bottom: 1px solid var(--line);
}
.day-number {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 300;
  font-size: 72px;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--ink);
}
.day-subtitle {
  margin-top: 10px;
  font-size: 13px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-mute);
}
audio {
  display: block;
  width: 100%;
  max-width: 600px;
  margin: 36px auto 28px;
  filter: invert(0.92) hue-rotate(180deg) saturate(0.4);
}

.actions {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}
button {
  font-family: inherit;
  font-size: 13px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 12px 22px;
  border-radius: 2px;
  cursor: pointer;
  transition: all 160ms ease;
}
.primary {
  background: var(--accent);
  color: #1a1a1a;
  border: 1px solid var(--accent);
}
.primary:hover { background: #d7b87a; }
.ghost {
  background: transparent;
  color: var(--ink-mute);
  border: 1px solid var(--line);
}
.ghost:hover { color: var(--ink); border-color: var(--ink-mute); }
button:disabled { opacity: 0.4; cursor: not-allowed; }

.grid-wrap { padding: 48px 0; }
.grid-wrap h2 {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 400;
  font-size: 22px;
  letter-spacing: 0.04em;
  color: var(--ink-mute);
  margin: 0 0 24px;
  text-align: center;
}
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(56px, 1fr));
  gap: 10px;
}
.cell {
  aspect-ratio: 1 / 1;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 2px;
  cursor: pointer;
  font-family: 'Cormorant Garamond', serif;
  font-size: 18px;
  color: var(--ink-mute);
  background: transparent;
  transition: all 140ms ease;
  user-select: none;
}
.cell:hover { border-color: var(--ink-mute); color: var(--ink); }
.cell.done {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--accent);
}
.cell.current {
  border-color: var(--accent);
  color: var(--accent);
  box-shadow: inset 0 0 0 1px var(--accent);
}

footer {
  margin-top: 64px;
  text-align: center;
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: 15px;
  color: var(--ink-mute);
  letter-spacing: 0.04em;
}

.identity-trigger {
  display: inline-block;
  margin-top: 28px;
  font-family: inherit;
  font-size: 12px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  padding: 14px 28px;
  border-radius: 2px;
  cursor: pointer;
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
  transition: all 180ms ease;
}
.identity-trigger:hover {
  background: var(--accent);
  color: #1a1a1a;
}

.modal {
  position: fixed;
  inset: 0;
  display: none;
  z-index: 100;
}
.modal.open { display: block; }
.modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.78);
  backdrop-filter: blur(6px);
}
.modal-dialog {
  position: relative;
  width: min(720px, 92vw);
  max-height: 88vh;
  overflow-y: auto;
  margin: 6vh auto;
  padding: 56px 48px 48px;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: 4px;
  color: var(--ink);
  animation: modalFadeIn 260ms ease-out;
}
@keyframes modalFadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}
.modal-close {
  position: absolute;
  top: 14px;
  right: 16px;
  width: 36px;
  height: 36px;
  padding: 0;
  font-size: 26px;
  line-height: 1;
  background: transparent;
  color: var(--ink-mute);
  border: none;
  cursor: pointer;
  transition: color 160ms ease;
}
.modal-close:hover { color: var(--ink); }
.modal-eyebrow {
  font-size: 11px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
}
.modal-heading {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 400;
  font-size: 34px;
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin: 0 0 18px;
  color: var(--ink);
}
.modal-reference {
  font-family: 'Cormorant Garamond', serif;
  font-style: italic;
  font-size: 17px;
  color: var(--accent);
  margin-bottom: 28px;
  letter-spacing: 0.02em;
}
.modal-body {
  font-size: 17px;
  line-height: 1.75;
  color: var(--ink);
  white-space: pre-wrap;
}

@media (max-width: 600px) {
  .day-number { font-size: 56px; }
  .modal-dialog { padding: 48px 26px 32px; margin: 4vh auto; max-height: 92vh; }
  .modal-heading { font-size: 26px; }
  .modal-body { font-size: 16px; }
}