/* Digiuno — Apple HIG style. Vanilla CSS. Light + dark adattivi (seguono il sistema). */

:root {
  --bg: #F2F2F7;
  --bg2: #FFFFFF;
  --card: #FFFFFF;
  --label: #1C1C1E;
  --label2: rgba(60, 60, 67, 0.6);
  --label3: rgba(60, 60, 67, 0.3);
  --fill: rgba(118, 118, 128, 0.12);
  --fill2: rgba(118, 118, 128, 0.2);
  --accent: #34C759;
  --danger: #FF3B30;
  --track: rgba(0, 0, 0, 0.06);
  --card-border: 1px solid rgba(0, 0, 0, 0.04);
  --card-shadow: 0 1px 2px rgba(0, 0, 0, 0.04), 0 12px 30px -14px rgba(0, 0, 0, 0.12);
  --r-card: 22px;
  --r-btn: 14px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --font: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'SF Pro Text', 'SF Pro', system-ui, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #06070A;
    --bg2: #1C1C1E;
    --card: #1C1C1E;
    --label: #FFFFFF;
    --label2: rgba(235, 235, 245, 0.6);
    --label3: rgba(235, 235, 245, 0.3);
    --fill: rgba(118, 118, 128, 0.24);
    --fill2: rgba(118, 118, 128, 0.32);
    --danger: #FF453A;
    --track: rgba(255, 255, 255, 0.08);
    --card-border: 1px solid rgba(255, 255, 255, 0.06);
    --card-shadow: none;
  }
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body { margin: 0; }
body {
  background: var(--bg);
  color: var(--label);
  font-family: var(--font);
  min-height: 100dvh;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.wrap {
  max-width: 620px; margin: 0 auto;
  padding: calc(env(safe-area-inset-top) + 18px) 20px calc(env(safe-area-inset-bottom) + 40px);
  display: flex; flex-direction: column; gap: 16px;
}

/* Large title nav */
.nav { display: flex; flex-direction: column; gap: 6px; padding: 6px 4px 2px; }
.navRow { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.navTitle { margin: 0; font-size: 34px; font-weight: 700; letter-spacing: -0.022em; line-height: 1.05; }
.status { display: inline-flex; align-items: center; gap: 7px; margin: 0; color: var(--label2); font-size: 15px; }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--label3); }
body[data-status="running"] .dot { background: var(--accent); animation: breathe 2.4s var(--ease) infinite; }
body[data-status="ended"] .dot { background: var(--danger); }
@keyframes breathe { 0%, 100% { opacity: 1; transform: scale(1); } 50% { opacity: .45; transform: scale(.8); } }

.pill {
  display: inline-flex; align-items: center; padding: 6px 13px; border-radius: 999px;
  background: var(--fill); color: var(--label2);
  font-size: 14px; font-weight: 500; letter-spacing: -0.01em; white-space: nowrap;
}

/* Hero + activity ring */
.hero { display: flex; flex-direction: column; align-items: center; gap: 14px; padding: 16px 0 4px; }
.ring { position: relative; width: min(300px, 72vw); aspect-ratio: 1; }
.ring svg { width: 100%; height: 100%; }
.seg { fill: none; stroke-width: 14; stroke-linecap: round; }
.head { fill: #fff; stroke: rgba(0, 0, 0, 0.18); stroke-width: 1; filter: drop-shadow(0 1px 2px rgba(0, 0, 0, 0.3)); }
.ringInner { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px; }
.timer { font-size: clamp(40px, 12vw, 58px); font-weight: 600; font-variant-numeric: tabular-nums; letter-spacing: -0.025em; line-height: 1; }
.ringLabel { color: var(--label2); font-size: 15px; font-weight: 500; font-variant-numeric: tabular-nums; }

.nextPill {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 9px 16px; border-radius: 999px; background: var(--card); border: var(--card-border); box-shadow: var(--card-shadow);
  max-width: 100%;
}
.np-k { color: var(--label2); font-size: 13px; font-weight: 600; }
.np-v { font-size: 15px; font-weight: 500; }
.np-v strong { font-variant-numeric: tabular-nums; }

/* Cards */
.card { background: var(--card); border: var(--card-border); border-radius: var(--r-card); padding: 20px; box-shadow: var(--card-shadow); }
.kicker { font-size: 12px; font-weight: 600; letter-spacing: 0.04em; text-transform: uppercase; color: var(--label2); }
.phaseHead { display: flex; align-items: center; gap: 9px; margin-bottom: 12px; }
.phaseDot { width: 11px; height: 11px; border-radius: 50%; flex: 0 0 auto; }
.phaseDots { display: flex; gap: 5px; margin-left: auto; }
.pdot { width: 7px; height: 7px; border-radius: 50%; opacity: 0.28; transition: opacity .3s var(--ease), transform .3s var(--ease); }
.pdot.on { opacity: 1; transform: scale(1.35); }
.phaseName { margin: 0 0 8px; font-size: 22px; font-weight: 700; letter-spacing: -0.012em; }
.body { margin: 0; color: var(--label); font-size: 16px; line-height: 1.45; }
.vibe { margin: 14px 0 0; font-weight: 600; font-size: 16px; line-height: 1.4; }
.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.grid .kicker { display: block; margin-bottom: 8px; }
.grid .body { font-size: 15px; }

/* Tempi card */
.card > .kicker { display: block; margin-bottom: 14px; }
.timeGrid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.timeField { display: flex; flex-direction: column; gap: 7px; font-size: 13px; font-weight: 600; color: var(--label2); }
.timeField input {
  font-family: inherit; font-size: 16px; font-weight: 500; color: var(--label);
  background: var(--fill); border: 0; border-radius: 12px; padding: 12px 14px;
  width: 100%; -webkit-appearance: none; appearance: none;
}
.timeField input::-webkit-calendar-picker-indicator { filter: grayscale(1); opacity: .6; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.chip {
  border: 0; cursor: pointer; font-family: inherit; font-size: 14px; font-weight: 600; letter-spacing: -0.01em;
  padding: 9px 14px; border-radius: 999px; background: var(--fill); color: var(--label);
  transition: transform .15s var(--ease), background .2s var(--ease);
}
.chip:active { transform: scale(.95); }
.chip.on { background: var(--accent); color: #fff; }
.timeMeta { margin: 14px 0 0; color: var(--label2); font-size: 13px; line-height: 1.5; font-variant-numeric: tabular-nums; }

/* Buttons */
.actions { display: flex; gap: 10px; margin-top: 6px; }
.btn {
  flex: 1; border: 0; cursor: pointer; padding: 16px 18px; border-radius: var(--r-btn);
  font-family: inherit; font-size: 17px; font-weight: 600; letter-spacing: -0.01em;
  transition: transform .18s var(--ease), filter .18s var(--ease), background .18s var(--ease);
}
.btn:active { transform: scale(.97); }
.btnPrimary { background: var(--accent); color: #fff; }
.btnPrimary:active { filter: brightness(.94); }
.btnDanger { background: color-mix(in srgb, var(--danger) 14%, transparent); color: var(--danger); }

.disclaimer { margin: 6px 4px 0; text-align: center; color: var(--label3); font-size: 13px; line-height: 1.5; }

@media (max-width: 400px) {
  .grid, .timeGrid { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion: reduce) { * { animation: none !important; transition: none !important; } }