@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;700&family=JetBrains+Mono:wght@500;600;700&display=swap');

:root {
  --bg: oklch(0.15 0.015 260);
  --bg-elevated: oklch(0.20 0.018 260);
  --bg-modal: oklch(0.19 0.018 260);
  --border: oklch(0.27 0.02 260);
  --border-soft: oklch(0.30 0.02 260);
  --text: oklch(0.96 0.005 260);
  --text-muted: oklch(0.62 0.02 260);
  --text-faint: oklch(0.5 0.02 260);

  --work: oklch(0.75 0.14 230);
  --danger: oklch(0.65 0.18 25);
  --danger-text: oklch(0.72 0.15 25);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  background: var(--bg);
  color: var(--text);
  font-family: 'Space Grotesk', system-ui, sans-serif;
  -webkit-tap-highlight-color: transparent;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}
button:focus-visible, input:focus-visible {
  outline: 2px solid var(--work);
  outline-offset: 2px;
}

input[type="text"], input[type="tel"], input[type="password"] {
  font-family: 'JetBrains Mono', monospace;
  background: var(--bg-elevated);
  border: 1px solid var(--border-soft);
  color: var(--text);
  border-radius: 12px;
  padding: 14px 16px;
  font-size: 20px;
  letter-spacing: 0.3em;
  text-align: center;
  width: 100%;
}

#app {
  max-width: 480px;
  margin: 0 auto;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  position: relative;
}

.screen { display: flex; flex-direction: column; min-height: 100vh; }
.screen[hidden] { display: none; }

/* --- loading --- */
#screen-loading { align-items: center; justify-content: center; color: var(--text-faint); font-size: 13px; }

/* --- auth screens --- */
.auth-screen { align-items: center; justify-content: center; padding: 24px; gap: 20px; }
.auth-card { width: 100%; max-width: 320px; display: flex; flex-direction: column; gap: 18px; }
.auth-mark { display: flex; align-items: center; justify-content: center; gap: 6px; margin-bottom: 4px; }
.auth-mark span { width: 8px; height: 8px; border-radius: 50%; }
.auth-mark span { background: var(--work); }
.auth-title { font-size: 22px; font-weight: 700; text-align: center; margin: 0; }
.auth-sub { font-size: 13.5px; color: var(--text-muted); text-align: center; margin: -8px 0 0 0; }
.auth-error { font-size: 12.5px; color: var(--danger-text); text-align: center; min-height: 16px; }

/* --- buttons --- */
.btn {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  font-weight: 700; font-size: 14px; padding: 14px; border-radius: 14px;
  width: 100%;
}
.btn-primary { background: var(--work); color: oklch(0.15 0.01 230); }
.btn-outline { background: transparent; border: 1px solid var(--border-soft); color: var(--text-muted); }
.btn-danger { background: var(--danger); color: oklch(0.15 0.01 25); }
.btn:disabled { opacity: 0.5; pointer-events: none; }

/* --- home screen --- */
#screen-home { padding-bottom: 28px; }
.topbar { padding: 36px 24px 0 24px; display: flex; align-items: center; justify-content: space-between; }
.brand { display: flex; align-items: center; gap: 10px; }
.brand-mark { width: 30px; height: 30px; border-radius: 9px; background: var(--bg-elevated); display: flex; align-items: center; justify-content: center; gap: 3px; }
.brand-mark span { width: 5px; height: 5px; border-radius: 50%; }
.brand-mark span { background: var(--work); }
.brand-name { font-weight: 700; font-size: 16px; letter-spacing: 0.06em; }
.icon-btn { width: 38px; height: 38px; border-radius: 12px; background: var(--bg-elevated); display: flex; align-items: center; justify-content: center; border: 1px solid var(--border); }
.icon-btn svg { stroke: var(--text-muted); }

.status-row { padding: 18px 24px 0 24px; display: flex; align-items: center; justify-content: space-between; }
.date-text { font-size: 13px; color: var(--text-muted); }
.status-pill { display: flex; align-items: center; gap: 6px; font-size: 12px; color: var(--text-muted); letter-spacing: 0.03em; }
.status-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--text-faint); }
.status-dot.live { background: var(--work); }

.cards { padding: 20px 24px 0 24px; display: flex; flex-direction: column; gap: 14px; }
.block-card { background: var(--bg-elevated); border: 1px solid var(--border); border-radius: 20px; padding: 18px 18px 16px 18px; display: flex; flex-direction: column; gap: 12px; }
.block-card-head { display: flex; align-items: center; justify-content: space-between; }
.block-card-title { display: flex; align-items: center; gap: 10px; }
.block-icon { width: 34px; height: 34px; border-radius: 10px; display: flex; align-items: center; justify-content: center; }
.block-label { font-size: 13px; font-weight: 600; letter-spacing: 0.06em; color: oklch(0.85 0.01 260); }
.block-daily { font-size: 11px; color: var(--text-faint); }
.block-remaining-row { display: flex; align-items: baseline; gap: 8px; }
.block-remaining { font-family: 'JetBrains Mono', monospace; font-size: 30px; font-weight: 700; font-variant-numeric: tabular-nums; }
.block-remaining-label { font-size: 12px; color: var(--text-faint); }
.block-breakdown { font-size: 10.5px; color: var(--text-faint); }
.block-bar { height: 6px; border-radius: 3px; background: var(--border); overflow: hidden; }
.block-bar-fill { height: 100%; border-radius: 3px; }
.block-actions { display: flex; justify-content: flex-end; }
.start-btn { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 13px; padding: 10px 18px; border-radius: 999px; }

[data-block="work"] .block-icon, [data-block="work"] .block-bar-fill, [data-block="work"] .start-btn { background: var(--work); }
[data-block] .block-icon { background-color: color-mix(in oklch, var(--tone) 16%, transparent); }
[data-block="work"] { --tone: var(--work); }
[data-block] .block-icon svg { stroke: var(--tone); }
[data-block] .start-btn { background: var(--tone); color: oklch(0.15 0.01 260); }

.footer-note { margin-top: auto; padding: 20px 24px 0 24px; text-align: center; font-size: 11px; line-height: 1.6; color: var(--text-faint); }

/* --- focus screen --- */
#screen-focus { position: relative; background: radial-gradient(circle at 50% 38%, color-mix(in oklch, var(--tone) 14%, transparent), transparent 60%), var(--bg); }
.focus-topbar { padding: 32px 20px 0 20px; display: flex; align-items: center; justify-content: space-between; }
.minimized-chips { display: flex; gap: 8px; }
.chip { display: flex; align-items: center; gap: 6px; background: var(--bg-elevated); border: 1px solid var(--border); border-radius: 999px; padding: 7px 12px; opacity: 0.55; }
.chip svg { width: 13px; height: 13px; }
.chip-value { font-family: 'JetBrains Mono', monospace; font-size: 12px; font-weight: 500; }
.minimized-label { text-align: center; font-size: 10.5px; letter-spacing: 0.04em; color: var(--text-faint); padding-top: 8px; }
.minimized-chips[hidden], .minimized-label[hidden] { display: none; }

.focus-center { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 18px; }
.ring-wrap { position: relative; width: 266px; height: 266px; display: flex; align-items: center; justify-content: center; }
.ring-wrap svg.ring { position: absolute; top: 0; left: 0; transform: rotate(-90deg); }
.ring-track { fill: none; stroke: var(--border); stroke-width: 10; }
.ring-fill { fill: none; stroke: var(--tone); stroke-width: 10; stroke-linecap: round; transition: stroke-dashoffset 0.4s ease; }
.big-number { display: flex; align-items: baseline; justify-content: center; gap: 2px; font-family: 'JetBrains Mono', monospace; font-weight: 700; letter-spacing: -0.01em; font-variant-numeric: tabular-nums; }
.big-number .hh { font-size: 34px; color: var(--text-muted); }
.big-number .colon { font-size: 34px; color: var(--text-muted); }
.big-number .mm { font-size: 84px; color: var(--text); }
.big-number-label { font-size: 12px; font-weight: 600; letter-spacing: 0.12em; color: var(--tone); margin-top: 4px; text-align: center; }
.running-status { display: flex; align-items: center; gap: 8px; font-size: 12.5px; color: var(--text-muted); }
.awake-note { display: flex; align-items: center; gap: 6px; font-size: 11px; color: var(--text-faint); }
.awake-note svg { stroke: var(--text-faint); }

.focus-bottom { padding: 0 24px 44px 24px; }

/* --- modals --- */
.modal-backdrop { position: absolute; inset: 0; background: oklch(0 0 0 / 0.62); display: flex; align-items: center; justify-content: center; padding: 24px; }
.modal-backdrop[hidden] { display: none; }
.modal { width: 100%; max-width: 314px; background: var(--bg-modal); border: 1px solid var(--border-soft); border-radius: 24px; padding: 28px 26px 24px 26px; box-shadow: 0 20px 60px oklch(0 0 0 / 0.5); display: flex; flex-direction: column; gap: 10px; }
.modal-icon { width: 52px; height: 52px; border-radius: 16px; display: flex; align-items: center; justify-content: center; align-self: center; margin-bottom: 6px; }
.modal-title { font-size: 20px; font-weight: 700; text-align: center; margin: 0; }
.modal-body { font-size: 13.5px; line-height: 1.5; color: var(--text-muted); text-align: center; margin-bottom: 12px; }
.modal-foot { font-size: 10.5px; color: var(--text-faint); text-align: center; margin-top: 6px; }

.hidden { display: none !important; }