/* RESET E CONFIGURAÇÕES GERAIS */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg: #0e0e0e;
  --card: #1a1a1a;
  --card-bot: #141414;
  --border: rgba(255,255,255,0.08);
  --border-mid: rgba(255,255,255,0.14);
  --text: #f0f0f0;
  --muted: #555;
  --card-height: 100px;
  --card-width: 70px;
}

body {
  background: var(--bg);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  font-family: 'Bebas Neue', system-ui, sans-serif;
  overflow: hidden;
}

/* PÁGINAS */
.page {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 28px;
  position: absolute;
  transition: opacity 0.3s ease, transform 0.3s ease;
  opacity: 1;
  transform: translateY(0);
}

.page.hidden {
  opacity: 0;
  transform: translateY(12px);
  pointer-events: none;
}

/* RELÓGIO */
.clock-wrap {
  display: flex;
  align-items: center;
  gap: 16px;
}

.unit {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}

.cards {
  display: flex;
  gap: 6px;
}

/* CARD */
.card {
  position: relative;
  width: var(--card-width);
  height: var(--card-height);
  perspective: 600px;
  border-radius: 8px;
  color: var(--text);
}

.card-top,
.card-bot,
.flip-top,
.flip-bot {
  position: absolute;
  left: 0;
  width: 100%;
  height: 50%;
  overflow: hidden;
  display: flex;
  justify-content: center;
  backface-visibility: hidden;
}

.card-top,
.flip-top {
  top: 0;
  background: var(--card);
  border-radius: 8px 8px 0 0;
  border: 1px solid var(--border);
  border-bottom: 0.5px solid var(--border-mid);
  align-items: flex-start;
}

.card-bot,
.flip-bot {
  bottom: 0;
  background: var(--card-bot);
  border-radius: 0 0 8px 8px;
  border: 1px solid var(--border);
  border-top: 0.5px solid var(--border-mid);
  align-items: flex-end;
}

.card span {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  font-size: 75px;
  line-height: var(--card-height);
}

.card-top span, .flip-top span { top: 0; }
.card-bot span, .flip-bot span { bottom: 0; }

.flip-top {
  transform-origin: bottom;
  z-index: 3;
}

.flip-bot {
  transform-origin: top;
  transform: rotateX(90deg);
  z-index: 2;
}

/* LABEL */
.label {
  font-family: system-ui, sans-serif;
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

.sep {
  font-size: 40px;
  color: var(--muted);
  margin-bottom: 22px;
  line-height: 1;
  user-select: none;
}

/* DATA */
.date-display {
  font-family: system-ui, sans-serif;
  font-size: 13px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

/* FAB */
.fab {
  position: fixed;
  bottom: 28px;
  left: 28px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--card);
  border: 1px solid var(--border-mid);
  color: var(--muted);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.2s, border-color 0.2s, background 0.2s;
  z-index: 10;
}

.fab:hover { color: var(--text); border-color: rgba(255,255,255,0.28); background: #222; }
.fab.active { color: var(--text); border-color: rgba(255,255,255,0.3); }

/* FAB SEGUNDO (empilhado acima) */
.fab--timer {
  bottom: 88px; /* 28 + 48 + 12 */
}

/* TEMPORIZADOR — INPUT DE CONFIGURAÇÃO */
.tm-setup {
  display: flex;
  align-items: center;
  gap: 8px;
}

.tm-input-group {
  display: flex;
  align-items: baseline;
  gap: 4px;
}

.tm-input {
  width: 52px;
  background: var(--card);
  border: 1px solid var(--border-mid);
  border-radius: 6px;
  color: var(--text);
  font-family: 'Bebas Neue', system-ui, sans-serif;
  font-size: 28px;
  text-align: center;
  padding: 6px 4px;
  outline: none;
  transition: border-color 0.2s;
  -moz-appearance: textfield;
}

.tm-input::-webkit-outer-spin-button,
.tm-input::-webkit-inner-spin-button { -webkit-appearance: none; }

.tm-input:focus { border-color: rgba(255,255,255,0.32); }
.tm-input:disabled { opacity: 0.35; cursor: not-allowed; }

.tm-input-label {
  font-family: system-ui, sans-serif;
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
}

.tm-input-sep {
  font-size: 24px;
  color: var(--muted);
  line-height: 1;
  user-select: none;
}

.tm-setup.hidden { display: none; }

/* TEMPORIZADOR — alerta quando zera */
@keyframes pulse-red {
  0%, 100% { border-color: rgba(255,80,80,0.4); }
  50%       { border-color: rgba(255,80,80,0.9); }
}

.card.done span { color: #ff6060; }

/* CRONÔMETRO */
.sw-sep { font-size: 28px; margin-bottom: 22px; }

.sw-controls {
  display: flex;
  gap: 12px;
}

.sw-btn {
  font-family: system-ui, sans-serif;
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  padding: 10px 28px;
  border-radius: 6px;
  border: 1px solid var(--border-mid);
  background: var(--card);
  color: var(--text);
  cursor: pointer;
  transition: background 0.2s, border-color 0.2s, color 0.2s;
}

.sw-btn:hover { background: #222; border-color: rgba(255,255,255,0.28); }
.sw-btn.running { border-color: rgba(255,80,80,0.5); color: #ff6060; }
.sw-btn--ghost { background: transparent; color: var(--muted); }
.sw-btn--ghost:hover { background: transparent; color: var(--text); }