@import url('https://fonts.googleapis.com/css2?family=Roboto+Mono:wght@300;400;700&display=swap');

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

:root {
  --black: #000000;
  --white: #FFFFFF;
  --border: 1px solid #000000;
  --font: 'Roboto Mono', 'Courier New', Courier, monospace;
}

html, body {
  background: var(--white);
  color: var(--black);
  font-family: var(--font);
  min-height: 100vh;
}

/* ── MODAL ──────────────────────────────────────────── */

#modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(255, 255, 255, 0.92);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 100;
}

#modal-overlay.hidden {
  display: none;
}

#modal {
  border: 2px solid var(--black);
  width: 400px;
  max-width: 92vw;
}

#modal-header {
  background: var(--black);
  color: var(--white);
  padding: 12px 16px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.15em;
}

#modal-body {
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

#modal-body label {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}

#modal-body input {
  font-family: var(--font);
  font-size: 0.85rem;
  border: var(--border);
  padding: 8px 10px;
  background: var(--white);
  color: var(--black);
  outline: none;
  width: 100%;
  border-radius: 0;
}

#modal-body input:focus {
  outline: 2px solid var(--black);
  outline-offset: -2px;
}

#modal-submit {
  margin-top: 8px;
  font-family: var(--font);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  background: var(--black);
  color: var(--white);
  border: 2px solid var(--black);
  padding: 10px;
  cursor: pointer;
  border-radius: 0;
  transition: background 0.1s, color 0.1s;
}

#modal-submit:hover {
  background: var(--white);
  color: var(--black);
}

#modal-error {
  font-size: 0.65rem;
  color: var(--black);
  min-height: 14px;
  letter-spacing: 0.05em;
}

/* ── HUD LAYOUT ─────────────────────────────────────── */

#hud {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px 40px;
}

/* ── HEADER ─────────────────────────────────────────── */

#hud-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
  border-bottom: 2px solid var(--black);
  margin-bottom: 32px;
}

#hud-title {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.3em;
}

#hud-user {
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--black);
}

#reset-btn {
  font-family: var(--font);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  background: var(--white);
  color: var(--black);
  border: var(--border);
  padding: 6px 10px;
  cursor: pointer;
  border-radius: 0;
}

#reset-btn:hover {
  background: var(--black);
  color: var(--white);
}

/* ── SECTION LABEL ──────────────────────────────────── */

.section-label {
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  margin-bottom: 16px;
  border-left: 3px solid var(--black);
  padding-left: 8px;
}

/* ── COUNTDOWN ──────────────────────────────────────── */

#countdown-section {
  margin-bottom: 24px;
}

#countdown {
  display: flex;
  align-items: flex-end;
  gap: 0;
  flex-wrap: wrap;
}

.time-block {
  border: var(--border);
  padding: 12px 24px;
  text-align: center;
  min-width: 100px;
}

.time-value {
  font-size: 3.2rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  line-height: 1;
}

.time-label {
  font-size: 0.55rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  margin-top: 6px;
}

.time-sep {
  font-size: 2.5rem;
  font-weight: 300;
  padding: 0 6px;
  line-height: 1;
  margin-bottom: 22px;
  user-select: none;
}

/* ── STATS BAR ──────────────────────────────────────── */

#stats-section {
  display: flex;
  align-items: stretch;
  border: var(--border);
  margin-bottom: 32px;
}

.stat-item {
  display: flex;
  flex-direction: column;
  padding: 12px 20px;
  flex: 1;
}

.stat-label {
  font-size: 0.55rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  margin-bottom: 6px;
}

.stat-value {
  font-size: 1.4rem;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.stat-divider {
  width: 1px;
  background: var(--black);
}

/* ── GRID SECTION ───────────────────────────────────── */

#grid-section {
  margin-bottom: 32px;
}

#grid-legend {
  display: flex;
  gap: 20px;
  margin-bottom: 12px;
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

.legend-box {
  display: inline-block;
  width: 10px;
  height: 10px;
  border: 1px solid var(--black);
}

.legend-box.elapsed {
  background: var(--black);
}

.legend-box.remaining {
  background: var(--white);
}

#life-grid {
  display: block;
  border: var(--border);
}

/* ── RESPONSIVE ─────────────────────────────────────── */

@media (max-width: 600px) {
  .time-value {
    font-size: 2rem;
  }

  .time-block {
    min-width: 70px;
    padding: 10px 12px;
  }

  .time-sep {
    font-size: 1.8rem;
    margin-bottom: 18px;
  }

  .stat-value {
    font-size: 1rem;
  }
}