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

:root {
  --font-sans: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-mono:
    "JetBrains Mono", "SF Mono", "Cascadia Code", "Fira Code", monospace;
}

/* Theme: Dark Minimal */
[data-theme="dark"] {
  --bg: #0c0c0c;
  --bg-card: #161616;
  --text: #ebebeb;
  --text-dim: #9a9a9a;
  --yes-color: #34d399;
  --yes-glow: rgba(52, 211, 153, 0.25);
  --no-color: #f87171;
  --no-glow: rgba(248, 113, 113, 0.15);
  --ended-color: #e0b590;
  --amber-color: #fbbf24;
  --accent: #e0b590;
  --bar-bg: #282828;
  --bar-fill: #34d399;
  --border: #2a2a2a;
  --toggle-bg: #1e1e1e;
  --link: #e0b590;
}

/* Theme: Anthropic Brand */
[data-theme="anthropic"] {
  --bg: #faf6f1;
  --bg-card: #fff;
  --text: #1a1a1a;
  --text-dim: #8a7a6a;
  --yes-color: #2e7d32;
  --yes-glow: rgba(46, 125, 50, 0.12);
  --no-color: #c62828;
  --no-glow: rgba(198, 40, 40, 0.08);
  --ended-color: #c4956a;
  --amber-color: #e65100;
  --accent: #c4956a;
  --bar-bg: #ede7df;
  --bar-fill: #c4956a;
  --border: #e0d6ca;
  --toggle-bg: #ede7df;
  --link: #9a6b42;
}

body {
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem 1rem;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  transition:
    background 0.4s,
    color 0.4s;
}

.top-btn {
  position: fixed;
  top: 1rem;
  background: var(--toggle-bg);
  border: 1px solid var(--border);
  color: var(--text-dim);
  width: 2.2rem;
  height: 2.2rem;
  border-radius: 0.5rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition:
    background 0.3s,
    border-color 0.3s,
    color 0.3s;
  z-index: 10;
}
.top-btn svg {
  width: 16px;
  height: 16px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.top-btn:hover {
  border-color: var(--accent);
  color: var(--text);
}
.theme-toggle {
  top: 1rem;
  right: 1rem;
}
.notif-toggle {
  top: 3.8rem;
  right: 1rem;
}
.notif-toggle.active {
  color: var(--yes-color);
  border-color: var(--yes-color);
}

main {
  max-width: 480px;
  width: 100%;
  text-align: center;
}

h1 {
  font-size: clamp(0.6rem, 3.5vw, 1rem);
  font-weight: 500;
  letter-spacing: 0.18em;
  color: var(--text);
  opacity: 0.55;
  margin-bottom: 3rem;
  text-transform: uppercase;
}

#answer {
  font-size: clamp(3.5rem, 13vw, 10rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1;
  margin-bottom: 0.75rem;
  transition:
    color 0.4s,
    text-shadow 0.4s;
}
#answer.yes {
  color: var(--no-color);
  text-shadow:
    0 0 40px var(--no-glow),
    0 0 80px var(--no-glow);
}
#answer.no {
  color: var(--yes-color);
  text-shadow: 0 0 20px var(--yes-glow);
}
@keyframes pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.7;
  }
}
#answer.yes {
  animation: pulse 3s ease-in-out infinite;
}

#subtitle {
  font-size: 0.6rem;
  font-weight: 400;
  letter-spacing: 0.01em;
  color: var(--text-dim);
  margin-bottom: 2.2rem;
}

#countdown {
  font-family: var(--font-mono);
  font-size: clamp(1.2rem, 4vw, 1.8rem);
  font-weight: 200;
  letter-spacing: 0.04em;
  font-variant-numeric: tabular-nums;
  margin-bottom: 0.4rem;
  color: var(--text);
}
#countdown-label {
  font-size: 0.65rem;
  font-weight: 500;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  margin-bottom: 1.8rem;
}

/* Session progress (thin bar) */
.progress-wrap {
  width: 80%;
  height: 5px;
  background: var(--bar-bg);
  border-radius: 3px;
  overflow: hidden;
  margin: 0 auto 2.5rem;
}
.progress-bar {
  height: 100%;
  background: var(--bar-fill);
  border-radius: 2px;
  transition: width 1s linear;
}

/* Weekly timeline — horizontal rows */
.weekly-timeline {
  margin-bottom: 2.5rem;
}
.weekly-timeline-label {
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--text-dim);
  margin-bottom: 0.6rem;
  text-align: center;
}
.wt-days {
  display: flex;
  flex-direction: column;
  width: 100%;
  gap: 3px;
}
.wt-row {
  display: flex;
  align-items: center;
  gap: 0;
  height: 18px;
}
.wt-row.is-today {
  height: 26px;
}
.wt-day-label {
  font-size: 0.6rem;
  font-family: var(--font-mono);
  color: var(--text-dim);
  width: 2rem;
  flex-shrink: 0;
  text-align: right;
  padding-right: 0.5rem;
  letter-spacing: 0.03em;
}
.wt-row.is-today .wt-day-label {
  color: var(--text);
  font-weight: 700;
  font-size: 0.65rem;
}
.wt-bar-wrap {
  position: relative;
  flex: 1;
  height: 100%;
  border-radius: 4px;
  overflow: hidden;
  display: flex;
  flex-direction: row;
}
.wt-row.is-today .wt-bar-wrap {
  border-radius: 5px;
}
/* Segments */
.wt-seg {
  height: 100%;
  cursor: pointer;
}

/* Floating tooltip */
.wt-tooltip {
  position: fixed;
  pointer-events: none;
  background: var(--bg-card);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.3rem 0.6rem;
  font-size: 0.75rem;
  font-family: var(--font-mono);
  white-space: nowrap;
  z-index: 100;
  opacity: 0;
  transition: opacity 0.12s;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.25);
}
.wt-tooltip.visible {
  opacity: 1;
}
.wt-seg-peak {
  background: var(--no-color);
  opacity: 0.5;
}
.wt-seg-offpeak {
  background: var(--bar-bg);
  opacity: 1;
}
.wt-seg.past {
  opacity: 0.18;
}
.wt-seg.current {
  opacity: 0.7;
}
.wt-row.is-today .wt-seg.current {
  opacity: 0.85;
}

/* Now indicator — vertical line */
.wt-now {
  position: absolute;
  top: -3px;
  bottom: -3px;
  width: 2px;
  background: var(--text);
  z-index: 3;
  pointer-events: none;
  border-radius: 1px;
}
.wt-now::before {
  content: "";
  position: absolute;
  top: -2px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-top: 5px solid var(--text);
}
.wt-now::after {
  content: "";
  position: absolute;
  bottom: -2px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border-left: 4px solid transparent;
  border-right: 4px solid transparent;
  border-bottom: 5px solid var(--text);
}

/* Time scale */
.wt-scale {
  display: flex;
  align-items: flex-end;
  gap: 0;
  height: 14px;
  margin-bottom: 2px;
}
.wt-scale-gutter {
  width: 2rem;
  flex-shrink: 0;
}
.wt-scale-track {
  position: relative;
  flex: 1;
  height: 100%;
}
.wt-tick {
  position: absolute;
  bottom: 0;
  transform: translateX(-50%);
  font-size: 0.55rem;
  font-family: var(--font-mono);
  color: var(--text-dim);
  opacity: 0.6;
  line-height: 1;
  white-space: nowrap;
}
.wt-tick:first-child {
  transform: translateX(0);
}
.wt-tick:last-child {
  transform: translateX(-100%);
}
.wt-tick::after {
  content: "";
  position: absolute;
  bottom: -3px;
  left: 50%;
  transform: translateX(-50%);
  width: 1px;
  height: 3px;
  background: var(--text-dim);
  opacity: 0.3;
}
.wt-tick:first-child::after {
  left: 0;
  transform: none;
}
.wt-tick:last-child::after {
  left: auto;
  right: 0;
  transform: none;
}

/* Legend */
.wt-legend {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin-top: 0.5rem;
  font-size: 0.65rem;
  color: var(--text-dim);
}
.wt-legend-item {
  display: flex;
  align-items: center;
  gap: 0.3rem;
}
.wt-legend-swatch {
  width: 10px;
  height: 10px;
  border-radius: 2px;
}
.wt-legend-swatch.peak {
  background: var(--no-color);
  opacity: 0.5;
}
.wt-legend-swatch.offpeak {
  background: var(--bar-bg);
  opacity: 1;
}

.info-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.2rem 1.5rem;
  text-align: left;
  margin-bottom: 1rem;
  transition:
    background 0.4s,
    border-color 0.4s;
}
.info-card h2 {
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--text-dim);
  margin-bottom: 0.8rem;
}

footer {
  margin-top: 2rem;
  text-align: center;
  font-size: 0.72rem;
  font-weight: 400;
  letter-spacing: 0.01em;
  color: var(--text);
  opacity: 0.5;
  line-height: 1.6;
}
footer a {
  color: var(--link);
  text-decoration: none;
  opacity: 1;
}
footer a:hover {
  text-decoration: underline;
}

/* Service status */
.status-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.25rem 0;
  font-size: 0.82rem;
}
.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}
.status-dot.operational {
  background: var(--yes-color);
}
.status-dot.degraded_performance {
  background: var(--amber-color);
}
.status-dot.partial_outage,
.status-dot.major_outage {
  background: var(--no-color);
}
.status-dot.under_maintenance {
  background: var(--text-dim);
}
.status-name {
  flex: 1;
  color: var(--text);
  opacity: 0.8;
}
.status-label {
  font-size: 0.75rem;
  color: var(--text-dim);
  font-family: var(--font-mono);
}
.status-incident {
  margin-top: 0.5rem;
  padding-top: 0.5rem;
  border-top: 1px solid var(--border);
  font-size: 0.78rem;
  color: var(--amber-color);
  line-height: 1.4;
}
.status-link {
  display: block;
  margin-top: 0.5rem;
  font-size: 0.72rem;
  color: var(--link);
  text-decoration: none;
}
.status-link:hover {
  text-decoration: underline;
}

.notif-banner {
  margin-top: 1.2rem;
  padding: 0.6rem 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 0.6rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.82rem;
  color: var(--text-dim);
  animation: notif-fade-in 0.4s ease;
}
@keyframes notif-fade-in {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.notif-banner svg {
  width: 18px;
  height: 18px;
  stroke: var(--text-dim);
  fill: none;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex-shrink: 0;
}
.notif-banner-text {
  flex: 1;
  text-align: left;
  line-height: 1.4;
}
.notif-banner-btn {
  background: var(--yes-color);
  color: #fff;
  border: none;
  padding: 0.35rem 0.75rem;
  border-radius: 0.4rem;
  font-size: 0.78rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: opacity 0.2s;
}
.notif-banner-btn:hover {
  opacity: 0.85;
}
.notif-banner-close {
  background: none;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  padding: 0.2rem;
  font-size: 1.1rem;
  line-height: 1;
  opacity: 0.6;
  transition: opacity 0.2s;
}
.notif-banner-close:hover {
  opacity: 1;
}

.tz-info {
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--text-dim);
  margin-bottom: 1.5rem;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  line-height: 1.7;
}

/* EthicalAds */
.ea-wrap {
  margin-bottom: 1.5rem;
}
.ea-wrap .ethical-ads,
.ea-wrap [data-ea-publisher] {
  display: block;
  max-width: 100%;
}

/* Ko-fi link */
.kofi-wrap {
  text-align: center;
  margin: 1.8rem 0 0.5rem;
}
.kofi-link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--link);
  text-decoration: none;
  font-size: 0.8rem;
  font-weight: 500;
  padding: 0.45rem 1.1rem;
  border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--link) 55%, transparent);
  background: color-mix(in srgb, var(--link) 12%, transparent);
  transition:
    background 0.2s,
    border-color 0.2s;
}
.kofi-link:hover {
  background: color-mix(in srgb, var(--link) 22%, transparent);
  border-color: var(--link);
}
.kofi-link svg {
  width: 15px;
  height: 15px;
  stroke: currentColor;
  fill: none;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}