:root{
  --bg:#0b0b0b;
  --card:#121212;
  --muted:#9aa0a6;
  --text:#f2f2f2;
  --border:#232323;
  --soft:#1a1a1a;
  --white:#ffffff;
  --black:#000000;
  --green:#21a53a;
  --green2:#1f7d32;
  --danger:#ff5a5f;
  --dangerBorder:#3a1a1b;
  --shadow: 0 10px 30px rgba(0,0,0,.45);
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  background: radial-gradient(1200px 520px at 50% 0%, rgba(255,255,255,.06), transparent 60%), var(--bg);
  color:var(--text);
}

.wrap{
  max-width: 560px;
  margin: 0 auto;
  padding: 18px 16px;
  padding-bottom: max(18px, env(safe-area-inset-bottom));
}

header{
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.brand h1{
  margin:0;
  font-size: 22px;
  letter-spacing: .2px;
  font-weight: 900;
}
.brand .sub{
  margin: 6px 0 0 0;
  font-size: 13px;
  color: var(--muted);
}

.hero{
  display:grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 10px;
  margin: 12px 0;
}

.stat{
  background: linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.02));
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 12px;
  box-shadow: 0 6px 18px rgba(0,0,0,.25);
}
.label{
  color: var(--muted);
  font-size: 12px;
}
.value{
  margin-top: 6px;
  font-weight: 900;
  font-size: 22px;
  letter-spacing: .2px;
  white-space: nowrap;
}

.panel{
  background: linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.015));
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 12px;
  box-shadow: var(--shadow);
}

.divider{
  height: 1px;
  background: var(--border);
  margin: 10px 0;
}

button{
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 14px 14px;
  font-weight: 900;
  font-size: 16px;
  cursor:pointer;
  user-select:none;
  -webkit-tap-highlight-color: transparent;
}
button:disabled{ opacity:.65; cursor:not-allowed; }

.btn-start{
  width:100%;
  padding: 34px 16px;
  font-size: 22px;
  border: 1px solid rgba(255,255,255,.06);
  background: linear-gradient(180deg, var(--green), var(--green2));
  color: var(--white);
  letter-spacing: .6px;
  text-transform: uppercase;
}

.mark-pad{
  width:100%;
  aspect-ratio: 1 / 1;
  border-radius: 18px;
  border: 1px solid rgba(33,165,58,.35);
  background: var(--white);
  color: var(--black);
  font-size: 30px;
  letter-spacing: .6px;
  text-transform: uppercase;
  box-shadow: 0 0 0 2px rgba(33,165,58,.15) inset, 0 20px 40px rgba(0,0,0,.25);
}

.mark-pad.paused{
  background: rgba(255,255,255,.04);
  color: rgba(255,255,255,.72);
  border-color: rgba(255,255,255,.10);
  box-shadow: 0 0 0 2px rgba(255,255,255,.06) inset, 0 20px 40px rgba(0,0,0,.25);
}

.btn-finish{
  width:100%;
  padding: 14px 14px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.06);
  background: linear-gradient(180deg, var(--green), var(--green2));
  color: var(--white);
  letter-spacing: .6px;
  text-transform: uppercase;
  margin-top: 10px;
  font-size: 18px;
}

.row{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-top: 10px;
}

.secondary{
  background: rgba(255,255,255,.07);
  color: rgba(255,255,255,.78);
  border-color: rgba(255,255,255,.10);
}
.danger{
  background: rgba(255,90,95,.06);
  color: var(--danger);
  border-color: var(--dangerBorder);
}

.settings{
  display:grid;
  gap: 10px;
  margin-top: 6px;
}

.field{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap: 12px;
  color: var(--muted);
  font-size: 13px;
}
.field input[type="number"]{
  width: 140px;
  padding: 10px 10px;
  border-radius: 12px;
  text-indent: -6px; /* puxa o número levemente pra esquerda */
  border: 1px solid var(--border);
  background: #0f0f0f;
  color: var(--text);
  font-size: 15px;
  text-align: right;
  outline: none;
}
.field input[type="checkbox"]{
  width: 24px;
  height: 24px;
  accent-color: var(--green);
  cursor: pointer;
}

.grid-wrap{
  margin-top: 14px;
  background: linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.015));
  border: 1px solid var(--border);
  border-radius: 18px;
  padding: 12px;
  box-shadow: var(--shadow);
}

.grid-head{
  text-align:center;
  margin-bottom: 10px;
}
.grid-head .title{
  font-size: 13px;
  font-weight: 900;
  color: rgba(255,255,255,.35);
  letter-spacing: .6px;
  text-transform: uppercase;
}
.grid-head .next{
  margin-top: 4px;
  font-size: 13px;
  color: rgba(255,255,255,.45);
}

.grid{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.tile{
  position:relative;
  aspect-ratio: 1 / 1;
  border-radius: 22px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,.02);
  overflow:hidden;
}

.tile.pending{
  background: rgba(0,0,0,.25);
  border-style: dashed;
  border-color: rgba(255,255,255,.12);
}

.tile.done{
  background: radial-gradient(90% 120% at 30% 20%, rgba(255,255,255,.14), transparent 55%),
              linear-gradient(180deg, rgba(33,165,58,.78), rgba(31,125,50,.78));
  border-color: rgba(33,165,58,.35);
  box-shadow: 0 14px 30px rgba(0,0,0,.35);
}

.tile .center{
  position:absolute;
  inset:0;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap: 6px;
  text-align:center;
  padding: 10px;
}

.tile.pending .num{
  font-size: 52px;
  font-weight: 900;
  color: rgba(255,255,255,.32);
  letter-spacing: .3px;
}

.tile.done .lap{
  font-size: 22px;
  font-weight: 800;
  color: rgba(255,255,255,.55);
}

.tile.done .num{
  font-size: 56px;
  font-weight: 1000;
  color: rgba(255,255,255,.92);
  line-height: 1;
}

.tile.done .time{
  font-size: 18px;
  font-weight: 900;
  color: rgba(255,255,255,.55);
}

.tile.pending .time{ display:none; }
.tile.pending .lap{ display:none; }

/* Done screen */
.done-title{
  font-size: 18px;
  font-weight: 900;
  text-align:center;
  margin: 4px 0 10px 0;
  letter-spacing: .3px;
}

.summary{
  display:grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.summary .line{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding: 12px;
  background: rgba(0,0,0,.18);
  border: 1px solid var(--border);
  border-radius: 14px;
  color: rgba(255,255,255,.85);
  font-weight: 700;
}

.summary .line span:first-child{ color: rgba(255,255,255,.45); font-weight: 800; }

.btn-new{
  width:100%;
  padding: 16px;
  margin-top: 10px;
  background: var(--white);
  color: var(--black);
  border: 0;
  letter-spacing: .6px;
  text-transform: uppercase;
  font-size: 16px;
}

@media (max-width: 420px){
  .value{font-size: 20px}
  .mark-pad{font-size: 26px}
}