@import url('https://fonts.googleapis.com/css2?family=Azeret+Mono:wght@200;300&family=DM+Sans:wght@200;300&display=swap');

/* ── Variables ──────────────────────────────────────── */
:root {
  --bg:      #f6f6f2;
  --fg:      #1a1a18;
  --muted:   #999990;
  --line:    #dcdcd4;
  --accent:  #1a1a18;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg:    #0d0d0b;
    --fg:    #edede8;
    --muted: #606058;
    --line:  #252520;
    --accent:#edede8;
  }
}

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

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

html, body {
  height: 100%;
}

/* ── Body ───────────────────────────────────────────── */
body {
  background: var(--bg);
  color: var(--fg);
  font-family: 'DM Sans', sans-serif;
  font-weight: 200;
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: clamp(2rem, 6vw, 4rem) clamp(1.5rem, 6vw, 3rem);
}

/* ── Main ───────────────────────────────────────────── */
main {
  width: 100%;
  max-width: 680px;
  display: flex;
  flex-direction: column;
  gap: clamp(2.5rem, 6vw, 3.5rem);
}

/* ── Header ─────────────────────────────────────────── */
header {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.logo {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

.logo path {
  fill: none;
  stroke: var(--muted);
  stroke-width: 5;
  stroke-linejoin: round;
  stroke-linecap: round;
}

.logo rect {
  fill: var(--muted);
}

.site-name {
  font-family: 'DM Sans', sans-serif;
  font-weight: 300;
  font-size: 0.65rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ── Countdown wrap ─────────────────────────────────── */
#countdown-wrap {
  display: flex;
  flex-direction: column;
  gap: clamp(2rem, 5vw, 2.5rem);
}

/* ── Units row ──────────────────────────────────────── */
#units {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: clamp(1.2rem, 4vw, 1.8rem) clamp(1.5rem, 5vw, 2.5rem);
}

.unit {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.unit[hidden] {
  display: none;
}

.unit-number {
  font-family: 'Azeret Mono', monospace;
  font-weight: 200;
  font-size: clamp(2.4rem, 9vw, 3.8rem);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--fg);
  font-variant-numeric: tabular-nums;
}

.unit-label {
  font-family: 'DM Sans', sans-serif;
  font-weight: 200;
  font-size: 0.58rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ── Progress ───────────────────────────────────────── */
#progress-wrap {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

#progress-bar {
  width: 100%;
  height: 1px;
  background: var(--line);
  position: relative;
  overflow: hidden;
}

#progress-fill {
  position: absolute;
  inset: 0 auto 0 0;
  background: var(--accent);
  width: 0%;
}

#percent-row {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

#percent {
  font-family: 'Azeret Mono', monospace;
  font-weight: 200;
  font-size: 0.6rem;
  color: var(--muted);
  letter-spacing: 0.04em;
  font-variant-numeric: tabular-nums;
}

#elapsed-label {
  font-family: 'DM Sans', sans-serif;
  font-weight: 200;
  font-size: 0.58rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--line);
}

/* ── Message ────────────────────────────────────────── */
#message {
  font-family: 'DM Sans', sans-serif;
  font-weight: 200;
  font-size: clamp(1.3rem, 5vw, 2rem);
  color: var(--fg);
  letter-spacing: -0.01em;
  line-height: 1.3;
}

#message[hidden] {
  display: none;
}

/* ── Calendar button ────────────────────────────────── */
#calendar-wrap {
  display: flex;
}

#calendar-wrap[hidden] {
  display: none;
}

/* Override add-to-calendar-button CSS variables */
add-to-calendar-button {
  --btn-background:       transparent;
  --btn-background-hover: transparent;
  --btn-text:             var(--muted);
  --btn-text-hover:       var(--fg);
  --btn-border:           1px solid var(--line);
  --btn-border-hover:     1px solid var(--muted);
  --btn-shadow:           none;
  --btn-shadow-hover:     none;
  --btn-border-radius:    0px;
  --btn-font-size:        0.6rem;
  --btn-font-weight:      300;
  --btn-padding-x:        0.9rem;
  --btn-padding-y:        0.45rem;
  --btn-letter-spacing:   0.18em;
  --btn-text-transform:   uppercase;
  --overlay-background:   var(--bg);
  --overlay-text:         var(--fg);
}