:root {
  --ink: #1c2530;
  --muted: #6b7684;
  --paper: #ffffff;
  --surface: #f5f7f9;
  --line: #dde3e9;
  --press: #eef2f6;
  --mine: #157a54;
  --mine-ink: #ffffff;
  --focus: #2f6fed;
  --radius: 12px;
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  background: var(--surface);
  color: var(--ink);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial,
    sans-serif;
  line-height: 1.4;
  padding: max(16px, env(safe-area-inset-top)) 16px
    max(24px, env(safe-area-inset-bottom));
  max-width: 560px;
  margin-inline: auto;
}

/* Header: photo of the Reding Tower, "125" signage in Honk below it */
.top {
  margin-bottom: 4px;
}

.top-photo {
  display: block;
  width: 100%;
  height: 150px;
  object-fit: cover;
  object-position: center 55%;
  border-radius: var(--radius);
  filter: grayscale(1);
}

.top-info {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 12px;
  padding-block: 10px 4px;
}

.spot {
  display: flex;
  flex-direction: column;
  line-height: 1;
}

.spot-label {
  font-size: 13px;
  color: var(--muted);
  letter-spacing: 0.01em;
}

.spot-no {
  font-family: "Honk", system-ui, sans-serif;
  font-size: 60px;
  font-weight: 400;
  letter-spacing: 0.01em;
  font-variant-numeric: tabular-nums;
  margin-top: 4px;
}

.auth {
  font-size: 13px;
  color: var(--muted);
  text-align: right;
  padding-bottom: 6px;
  min-height: 1em;
  overflow-wrap: anywhere;
}

.auth .email {
  color: var(--ink);
}

.btn-login {
  appearance: none;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: #fff;
  font: inherit;
  font-size: 14px;
  padding: 9px 14px;
  border-radius: 999px;
  cursor: pointer;
}

.btn-login:active {
  transform: translateY(1px);
}

/* Legend */
.legend {
  display: flex;
  gap: 16px;
  margin: 12px 2px 18px;
  font-size: 13px;
  color: var(--muted);
}

.key {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.key::before {
  content: "";
  width: 14px;
  height: 14px;
  border-radius: 4px;
  border: 1px solid var(--line);
  background: var(--paper);
}

.key.taken::before {
  border-color: transparent;
  background: repeating-linear-gradient(
    45deg,
    #e8ecf0,
    #e8ecf0 4px,
    #dbe1e7 4px,
    #dbe1e7 8px
  );
}

.key.mine::before {
  border-color: var(--mine);
  background: var(--mine);
}

/* Calendar */
.month {
  margin-bottom: 26px;
}

.month h2 {
  font-size: 15px;
  font-weight: 600;
  margin: 0 2px 10px;
  color: var(--ink);
}

.grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 6px;
}

.wd {
  text-align: center;
  font-size: 11px;
  color: var(--muted);
  padding-bottom: 2px;
  font-variant-numeric: tabular-nums;
}

.blank {
  aspect-ratio: 1;
}

.day {
  appearance: none;
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--ink);
  font: inherit;
  font-size: 16px;
  font-variant-numeric: tabular-nums;
  aspect-ratio: 1;
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  padding: 0;
}

.day:active {
  background: var(--press);
}

.day.taken {
  cursor: default;
  color: var(--muted);
  border-color: transparent;
  background: repeating-linear-gradient(
    45deg,
    #eaeef1,
    #eaeef1 5px,
    #dfe5eb 5px,
    #dfe5eb 10px
  );
}

.day.mine {
  background: var(--mine);
  border-color: var(--mine);
  color: var(--mine-ink);
  font-weight: 600;
}

.day:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

/* When logged out, days are informational only */
.cal.readonly .day.free {
  cursor: default;
}

.loading {
  color: var(--muted);
  padding: 8px 2px;
}

/* Toast */
.toast {
  position: fixed;
  left: 50%;
  bottom: calc(20px + env(safe-area-inset-bottom));
  transform: translateX(-50%) translateY(8px);
  background: var(--ink);
  color: #fff;
  font-size: 14px;
  padding: 10px 16px;
  border-radius: 999px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.18s ease, transform 0.18s ease;
  max-width: 90vw;
  text-align: center;
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  .toast {
    transition: none;
  }
}