/* ====================================================================
   Ana Birth Pool
   Palette: the colour of 4 a.m., which is when most babies turn up.
   night #0E1A2B / slate #17273D / paper #F1E9DA / amber #F0A63C
   teal #6FBFB4 / clay #E08A93
   Type:  Fraunces (display) / Karla (body) / IBM Plex Mono (data)
   ==================================================================== */

:root {
  --night: #0e1a2b;
  --slate: #17273d;
  --slate-2: #223650;
  --line: rgba(241, 233, 218, 0.14);
  --line-soft: rgba(241, 233, 218, 0.07);
  --paper: #f1e9da;
  --paper-dim: #9fb0c4;
  --amber: #f0a63c;
  --teal: #6fbfb4;
  --clay: #e08a93;
  --ok: #7ed3a6;
  --err: #f08a7a;

  --shell: 900px;
  --r: 3px;
  --gap: clamp(1.5rem, 4vw, 2.75rem);

  --f-display: 'Fraunces', 'Iowan Old Style', Georgia, serif;
  --f-body: 'Karla', 'Helvetica Neue', system-ui, sans-serif;
  --f-mono: 'IBM Plex Mono', ui-monospace, 'SF Mono', Menlo, monospace;
}

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

/* native date and time pickers must follow the dark palette */
:root { color-scheme: dark; }

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

body {
  margin: 0;
  background: var(--night);
  background-image:
    radial-gradient(900px 500px at 78% -8%, rgba(240, 166, 60, 0.13), transparent 62%),
    radial-gradient(700px 600px at 4% 108%, rgba(111, 191, 180, 0.09), transparent 60%);
  background-attachment: fixed;
  color: var(--paper);
  font-family: var(--f-body);
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 { font-family: var(--f-display); font-weight: 500; line-height: 1.05; margin: 0; }

a { color: var(--amber); text-decoration-thickness: 1px; text-underline-offset: 3px; }

:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 3px;
  border-radius: 2px;
}

.shell { max-width: var(--shell); margin: 0 auto; padding: 0 clamp(1rem, 4vw, 2rem); }

.eyebrow {
  font-family: var(--f-mono);
  font-size: 0.68rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--paper-dim);
  margin: 0;
}

.muted { color: var(--paper-dim); }
.hidden { display: none !important; }

/* ---------------------------------------------------------- top bar */

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.1rem 0;
  border-bottom: 1px solid var(--line-soft);
}

.mark {
  font-family: var(--f-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--paper-dim);
}

.langs { display: flex; gap: 2px; }

.langs button {
  background: none;
  border: 1px solid transparent;
  color: var(--paper-dim);
  font-family: var(--f-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 0.32rem 0.5rem;
  cursor: pointer;
  border-radius: var(--r);
}
.langs button:hover { color: var(--paper); }
.langs button[aria-pressed='true'] { color: var(--night); background: var(--paper); }

/* ------------------------------------------------------------- hero */

.hero { padding: clamp(2.5rem, 8vw, 4.5rem) 0 clamp(1.5rem, 4vw, 2.5rem); }

.hero h1 {
  font-size: clamp(4rem, 20vw, 11rem);
  font-variation-settings: 'SOFT' 40, 'WONK' 1, 'opsz' 144;
  letter-spacing: -0.035em;
  margin: 0.4rem 0 0;
  line-height: 0.82;
}

.hero h1 .dot { color: var(--amber); }

.hero .tagline {
  font-family: var(--f-display);
  font-size: clamp(1.1rem, 3.4vw, 1.6rem);
  font-style: italic;
  color: var(--paper);
  max-width: 26ch;
  margin: 1.4rem 0 0;
  opacity: 0.85;
}

.counters {
  display: flex;
  flex-wrap: wrap;
  gap: 0 2.5rem;
  margin-top: 2.2rem;
  padding-top: 1.4rem;
  border-top: 1px solid var(--line);
}

.counter { display: flex; align-items: baseline; gap: 0.5rem; }

.counter b {
  font-family: var(--f-mono);
  font-size: 1.5rem;
  font-weight: 500;
  color: var(--amber);
  font-variant-numeric: tabular-nums;
}

.counter span { font-size: 0.85rem; color: var(--paper-dim); max-width: 14ch; }

/* ---------------------------------------------------------- section */

.section { padding: var(--gap) 0; border-top: 1px solid var(--line-soft); }

.section > h2 {
  font-size: clamp(1.6rem, 4.5vw, 2.3rem);
  letter-spacing: -0.02em;
  margin-bottom: 0.4rem;
}

.section > .lede { color: var(--paper-dim); max-width: 52ch; margin: 0 0 1.8rem; }

/* ---------------------------------------- signature: the day ladder */

.cal-wrap {
  position: relative;
  overflow-x: auto;
  overflow-y: hidden;
  padding-bottom: 0.5rem;
  scrollbar-width: thin;
  scrollbar-color: var(--line) transparent;
  -webkit-overflow-scrolling: touch;
}

.cal-track {
  display: flex;
  align-items: flex-end;
  gap: 2px;
  min-width: max-content;
  padding: 0 1px;
}

.cal-day {
  flex: 0 0 auto;
  width: 30px;
  background: none;
  border: 0;
  border-bottom: 1px solid var(--line);
  padding: 0 0 0.5rem;
  color: inherit;
  font: inherit;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: center;
  gap: 3px;
  transition: background 0.16s ease;
}

.cal-day:hover { background: rgba(241, 233, 218, 0.05); }
.cal-day.is-monday { border-left: 1px solid var(--line-soft); }
.cal-day.is-due .cal-num { color: var(--clay); }
.cal-day.is-due { background: rgba(224, 138, 147, 0.08); }

.cal-stack {
  display: flex;
  flex-direction: column-reverse;
  align-items: center;
  gap: 3px;
  min-height: 96px;
  justify-content: flex-start;
  width: 100%;
}

.cal-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--teal);
  opacity: 0.72;
  animation: rise 0.45s cubic-bezier(0.2, 0.8, 0.3, 1) backwards;
}

.cal-more {
  font-family: var(--f-mono);
  font-size: 0.6rem;
  color: var(--teal);
}

@keyframes rise {
  from { transform: translateY(7px); opacity: 0; }
}

.cal-num {
  font-family: var(--f-mono);
  font-size: 0.78rem;
  font-variant-numeric: tabular-nums;
  color: var(--paper);
  padding-top: 0.35rem;
}

.cal-dow {
  font-family: var(--f-mono);
  font-size: 0.55rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--paper-dim);
}

.cal-day[aria-pressed='true'] { background: rgba(240, 166, 60, 0.16); border-bottom-color: var(--amber); }
.cal-day[aria-pressed='true'] .cal-num { color: var(--amber); font-weight: 700; }
.cal-day[aria-pressed='true'] .cal-dot { background: var(--amber); opacity: 0.9; }

/* the day Ana actually turned up */
.cal-day.is-actual { background: rgba(240, 166, 60, 0.2); border-bottom: 2px solid var(--amber); }
.cal-day.is-actual .cal-num { color: var(--amber); font-weight: 700; }
.cal-day.is-actual .cal-dot { background: var(--amber); }

.cal-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.4rem;
  margin-top: 1rem;
  font-family: var(--f-mono);
  font-size: 0.68rem;
  color: var(--paper-dim);
  letter-spacing: 0.04em;
}

.cal-legend i {
  display: inline-block;
  width: 7px; height: 7px;
  border-radius: 50%;
  margin-right: 0.45rem;
  vertical-align: 1px;
}
.key-guess { background: var(--teal); }
.key-yours { background: var(--amber); }
.key-due { background: var(--clay); }

/* ------------------------------------------------------------- form */

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1.4rem 1.6rem;
}

.field { display: flex; flex-direction: column; gap: 0.4rem; }
.field.wide { grid-column: 1 / -1; }

.field > label {
  font-family: var(--f-mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--paper-dim);
}

.field .help { font-size: 0.78rem; color: var(--paper-dim); opacity: 0.8; }

input[type='text'], input[type='email'], input[type='time'], input[type='number'], textarea, select {
  width: 100%;
  background: rgba(241, 233, 218, 0.04);
  border: 1px solid var(--line);
  border-radius: var(--r);
  color: var(--paper);
  font-family: var(--f-body);
  font-size: 1rem;
  padding: 0.66rem 0.75rem;
  transition: border-color 0.15s ease, background 0.15s ease;
}

input[type='time'], input[type='number'] { font-family: var(--f-mono); font-variant-numeric: tabular-nums; }

input::placeholder, textarea::placeholder { color: var(--paper-dim); opacity: 0.55; }

input:hover, textarea:hover, select:hover { border-color: rgba(241, 233, 218, 0.28); }
input:focus, textarea:focus, select:focus { border-color: var(--amber); background: rgba(241, 233, 218, 0.06); outline: none; }

textarea { resize: vertical; min-height: 110px; line-height: 1.5; }

.slider-row { display: flex; align-items: baseline; gap: 0.8rem; }

.slider-val {
  font-family: var(--f-mono);
  font-size: 1.35rem;
  color: var(--amber);
  font-variant-numeric: tabular-nums;
  min-width: 5.2ch;
}
.slider-val small { font-size: 0.75rem; color: var(--paper-dim); margin-left: 0.15rem; }

input[type='range'] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 22px;
  background: transparent;
  cursor: pointer;
}
input[type='range']::-webkit-slider-runnable-track {
  height: 2px; background: var(--line); border-radius: 2px;
}
input[type='range']::-moz-range-track { height: 2px; background: var(--line); border-radius: 2px; }
input[type='range']::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 16px; height: 16px; margin-top: -7px;
  border-radius: 50%; background: var(--amber); border: 0;
}
input[type='range']::-moz-range-thumb {
  width: 16px; height: 16px; border: 0; border-radius: 50%; background: var(--amber);
}

.chips { display: flex; flex-wrap: wrap; gap: 6px; }

.chips button {
  background: rgba(241, 233, 218, 0.04);
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--paper-dim);
  font-family: var(--f-body);
  font-size: 0.88rem;
  padding: 0.34rem 0.85rem;
  cursor: pointer;
  transition: all 0.15s ease;
}
.chips button:hover { color: var(--paper); border-color: rgba(241, 233, 218, 0.3); }
.chips button[aria-pressed='true'] {
  background: var(--paper); color: var(--night); border-color: var(--paper); font-weight: 700;
}

details.extras { border-top: 1px solid var(--line-soft); margin-top: 2rem; padding-top: 1.2rem; }

details.extras > summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: baseline;
  gap: 0.7rem;
  font-family: var(--f-display);
  font-size: 1.3rem;
}
details.extras > summary::-webkit-details-marker { display: none; }
details.extras > summary::before {
  content: '+';
  font-family: var(--f-mono);
  color: var(--amber);
  font-size: 1.1rem;
}
details.extras[open] > summary::before { content: '\2013'; }
details.extras > summary em {
  font-family: var(--f-body);
  font-style: normal;
  font-size: 0.78rem;
  color: var(--paper-dim);
}
details.extras .grid { margin-top: 1.5rem; }

/* ---------------------------------------------------------- buttons */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  background: var(--amber);
  color: #24160a;
  border: 1px solid var(--amber);
  border-radius: var(--r);
  font-family: var(--f-body);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  padding: 0.8rem 1.6rem;
  cursor: pointer;
  transition: transform 0.12s ease, filter 0.15s ease;
}
.btn:hover { filter: brightness(1.08); }
.btn:active { transform: translateY(1px); }
.btn[disabled] { opacity: 0.5; cursor: default; transform: none; }

.btn.ghost { background: none; color: var(--paper); border-color: var(--line); font-weight: 400; }
.btn.ghost:hover { border-color: var(--paper); }

.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 1rem; margin-top: 2.2rem; }

/* ------------------------------------------------------------ cards */

.card {
  border: 1px solid var(--line);
  border-radius: var(--r);
  padding: clamp(1.2rem, 3.5vw, 2rem);
  background: rgba(23, 39, 61, 0.5);
}

.card.accent { border-color: rgba(240, 166, 60, 0.45); background: rgba(240, 166, 60, 0.07); }

.linkbox {
  display: flex;
  gap: 0.5rem;
  margin: 1.1rem 0 0.6rem;
  flex-wrap: wrap;
}
.linkbox input {
  flex: 1 1 260px;
  font-family: var(--f-mono);
  font-size: 0.78rem;
  padding: 0.6rem;
}

.summary-list {
  list-style: none;
  margin: 1.4rem 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 1rem;
}
.summary-list .k {
  font-family: var(--f-mono);
  font-size: 0.62rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--paper-dim);
}
.summary-list .v {
  font-family: var(--f-mono);
  font-size: 1.15rem;
  color: var(--paper);
  font-variant-numeric: tabular-nums;
  margin-top: 0.2rem;
}

/* ------------------------------------------------------------ rules */

.rules { display: grid; gap: 0; margin-top: 1.2rem; }

.rule {
  display: grid;
  grid-template-columns: minmax(96px, 22%) 1fr;
  gap: 1rem;
  padding: 0.65rem 0;
  border-top: 1px solid var(--line-soft);
  align-items: baseline;
}
.rule:last-child { border-bottom: 1px solid var(--line-soft); }
.rule b {
  font-family: var(--f-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 500;
  color: var(--amber);
}
.rule span { font-size: 0.92rem; color: var(--paper-dim); }

/* ---------------------------------------------------------- ranking */

.rank { list-style: none; margin: 1.5rem 0 0; padding: 0; }

.rank li {
  display: grid;
  grid-template-columns: 2.4rem 1fr auto;
  gap: 1rem;
  align-items: baseline;
  padding: 0.85rem 0.6rem;
  border-top: 1px solid var(--line-soft);
}
.rank li:first-child {
  border-top: 1px solid var(--amber);
  background: rgba(240, 166, 60, 0.08);
}
.rank .pos { font-family: var(--f-mono); color: var(--paper-dim); font-size: 0.9rem; }
.rank li:first-child .pos { color: var(--amber); }
.rank .who { font-family: var(--f-display); font-size: 1.15rem; }
.rank .who small { display: block; font-family: var(--f-mono); font-size: 0.7rem; color: var(--paper-dim); }
.rank .pts { font-family: var(--f-mono); font-size: 1.1rem; color: var(--amber); font-variant-numeric: tabular-nums; }
.rank li.is-you { background: rgba(111, 191, 180, 0.1); }

/* ----------------------------------------------------------- notice */

.notice {
  border-left: 2px solid var(--amber);
  padding: 0.7rem 0 0.7rem 1rem;
  margin: 1.2rem 0;
  font-size: 0.9rem;
  color: var(--paper-dim);
}
.notice.bad { border-color: var(--err); color: var(--err); }
.notice.good { border-color: var(--ok); color: var(--ok); }

.banner {
  background: rgba(240, 166, 60, 0.14);
  border-bottom: 1px solid rgba(240, 166, 60, 0.3);
  font-family: var(--f-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  text-align: center;
  padding: 0.5rem 1rem;
  color: var(--amber);
}

.err-text { color: var(--err); font-size: 0.8rem; }

.toast {
  position: fixed;
  left: 50%;
  bottom: 1.5rem;
  transform: translateX(-50%) translateY(120%);
  background: var(--paper);
  color: var(--night);
  font-weight: 700;
  font-size: 0.9rem;
  padding: 0.7rem 1.3rem;
  border-radius: var(--r);
  transition: transform 0.28s cubic-bezier(0.2, 0.9, 0.3, 1);
  z-index: 50;
}
.toast.show { transform: translateX(-50%) translateY(0); }

/* ------------------------------------------------------------ admin */

.admin { border-top: 2px solid var(--clay); margin-top: 3rem; }
.admin h2 { color: var(--clay); }
.admin .grid { margin-top: 1.2rem; }
.admin table { width: 100%; border-collapse: collapse; font-family: var(--f-mono); font-size: 0.72rem; }
.admin th, .admin td { text-align: left; padding: 0.4rem 0.5rem; border-bottom: 1px solid var(--line-soft); white-space: nowrap; }
.admin th { color: var(--paper-dim); letter-spacing: 0.1em; text-transform: uppercase; font-size: 0.6rem; }
.admin .scroll { overflow-x: auto; margin-top: 1rem; }

/* ----------------------------------------------------------- footer */

.foot {
  border-top: 1px solid var(--line-soft);
  margin-top: 3rem;
  padding: 2rem 0 3rem;
  font-family: var(--f-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--paper-dim);
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.foot a { color: var(--paper-dim); text-decoration: none; }
.foot a:hover { color: var(--paper); }

/* ------------------------------------------------------------ small */

@media (max-width: 520px) {
  body { font-size: 16px; }
  .counters { gap: 1.2rem 2rem; }
  .rank li { grid-template-columns: 1.8rem 1fr auto; gap: 0.6rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}