:root {
  --bg: #0d1117; --panel: #161b22; --panel2: #1c2330; --line: #2b3442;
  --text: #e6edf3; --dim: #8b949e;
  --signal: #2fd08c; --signal-dim: #1b5e42;
  --noise: #e8a13a; --noise-dim: #6b4a17;
  --danger: #e5534b;
  --radius: 14px;
}
* { box-sizing: border-box; margin: 0; }
html { -webkit-text-size-adjust: 100%; }
body {
  background: var(--bg); color: var(--text);
  font: 16px/1.45 -apple-system, "SF Pro Text", Segoe UI, Roboto, sans-serif;
  padding-bottom: calc(64px + env(safe-area-inset-bottom));
}
header {
  display: flex; justify-content: space-between; align-items: center;
  padding: calc(10px + env(safe-area-inset-top)) 18px 10px;
  position: sticky; top: 0; background: rgba(13,17,23,.92);
  backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); z-index: 5;
}
.hdr-date { color: var(--dim); font-size: 13px; }
.hdr-app { font-weight: 700; font-size: 20px; letter-spacing: .3px; }
.stn-badge {
  font-variant-numeric: tabular-nums; font-weight: 700; font-size: 18px;
  color: var(--signal); background: var(--panel); border: 1px solid var(--line);
  padding: 6px 12px; border-radius: 999px;
}
main { padding: 14px 14px 20px; max-width: 640px; margin: 0 auto; }

nav {
  position: fixed; bottom: 0; left: 0; right: 0; display: flex; z-index: 5;
  background: rgba(13,17,23,.95); backdrop-filter: blur(8px);
  border-top: 1px solid var(--line);
  padding-bottom: env(safe-area-inset-bottom);
}
nav button {
  flex: 1; background: none; border: none; color: var(--dim);
  font: 11px/-apple-system inherit; padding: 8px 0 6px; cursor: pointer;
  display: flex; flex-direction: column; align-items: center; gap: 2px;
}
nav button span { font-size: 20px; line-height: 1.1; }
nav button.active { color: var(--signal); }

h2 { font-size: 13px; text-transform: uppercase; letter-spacing: .08em;
     color: var(--dim); margin: 20px 2px 8px; display: flex; justify-content: space-between; align-items: baseline;}
h2 .h2-note { text-transform: none; letter-spacing: 0; font-weight: 400; }

.card { background: var(--panel); border: 1px solid var(--line);
        border-radius: var(--radius); padding: 12px; margin-bottom: 8px; }
.row { display: flex; align-items: center; gap: 10px; }
.grow { flex: 1; min-width: 0; }
.dim { color: var(--dim); font-size: 13px; }
.strike { text-decoration: line-through; color: var(--dim); }

.chip { font-size: 11px; padding: 2px 8px; border-radius: 999px; white-space: nowrap; }
.chip.personal { background: #21324a; color: #7ab7ff; }
.chip.professional { background: #3a2c4a; color: #c39bf0; }

.tick {
  width: 30px; height: 30px; border-radius: 50%; flex: none;
  border: 2px solid var(--dim); background: none; color: var(--bg);
  font-size: 17px; cursor: pointer;
}
.tick.done { background: var(--signal); border-color: var(--signal); }
.tick.partial { background: var(--noise); border-color: var(--noise); }
.tick.dropped { border-color: var(--danger); color: var(--danger); }

.item-actions { display: flex; gap: 6px; margin-top: 10px; }
.item-actions button, .mini {
  background: var(--panel2); color: var(--text); border: 1px solid var(--line);
  border-radius: 8px; padding: 6px 10px; font-size: 13px; cursor: pointer;
}
.mini.danger { color: var(--danger); }

input, select, textarea {
  background: var(--panel2); color: var(--text); border: 1px solid var(--line);
  border-radius: 10px; padding: 10px 12px; font: inherit; width: 100%;
}
textarea { min-height: 140px; resize: vertical; }
input:focus, select:focus, textarea:focus { outline: 1px solid var(--signal-dim); }

button.primary {
  background: var(--signal); color: #05231a; font-weight: 700; border: none;
  border-radius: 10px; padding: 11px 16px; font-size: 15px; cursor: pointer; width: 100%;
}
button.primary:active { opacity: .8; }

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.form-grid .full { grid-column: 1 / -1; }

.seg { display: flex; background: var(--panel2); border-radius: 10px; padding: 3px; border: 1px solid var(--line); }
.seg button { flex: 1; border: none; background: none; color: var(--dim);
              padding: 7px 4px; border-radius: 8px; font-size: 13px; cursor: pointer; }
.seg button.on.personal { background: #21324a; color: #7ab7ff; }
.seg button.on.professional { background: #3a2c4a; color: #c39bf0; }
.seg button.on { background: var(--signal-dim); color: var(--text); }

.stn-bar { display: flex; height: 12px; border-radius: 999px; overflow: hidden;
           background: var(--panel2); margin: 8px 0 2px; }
.stn-bar .sig { background: var(--signal); }
.stn-bar .noi { background: var(--noise); }

.noise-row { border-left: 3px solid var(--noise); }

/* stats */
.chart { display: flex; align-items: flex-end; gap: 4px; height: 140px; padding: 8px 2px 0; }
.chart .col { flex: 1; display: flex; flex-direction: column; justify-content: flex-end;
              gap: 2px; height: 100%; }
.chart .col .sig { background: var(--signal); border-radius: 3px 3px 0 0; }
.chart .col .noi { background: var(--noise); border-radius: 3px 3px 0 0; opacity: .85; }
.chart-labels { display: flex; gap: 4px; }
.chart-labels div { flex: 1; text-align: center; font-size: 9px; color: var(--dim); }
.legend { display: flex; gap: 14px; font-size: 12px; color: var(--dim); margin-top: 8px; }
.dot { display: inline-block; width: 9px; height: 9px; border-radius: 50%; margin-right: 4px; }

.bar-row { display: flex; align-items: center; gap: 8px; margin: 6px 0; font-size: 14px; }
.bar-row .bar { height: 10px; background: var(--noise); border-radius: 5px; min-width: 2px; }

.streak { font-size: 22px; font-weight: 800; color: var(--signal); font-variant-numeric: tabular-nums; }

#toast {
  position: fixed; left: 50%; transform: translateX(-50%);
  bottom: calc(72px + env(safe-area-inset-bottom));
  background: var(--panel2); border: 1px solid var(--line); color: var(--text);
  padding: 10px 16px; border-radius: 10px; font-size: 14px; max-width: 86vw;
  opacity: 0; transition: opacity .25s; z-index: 60; pointer-events: none;
}
#toast.show { opacity: 1; }

.overlay { position: fixed; inset: 0; background: var(--bg); z-index: 50;
           display: flex; align-items: center; justify-content: center; }
.hidden { display: none !important; }
.login-box { width: min(320px, 86vw); text-align: center; display: flex;
             flex-direction: column; gap: 12px; }
.login-icon { width: 76px; height: 76px; border-radius: 18px; margin: 0 auto; }
.err { color: var(--danger); font-size: 13px; min-height: 18px; }
.nudge { border-color: var(--noise-dim); background: #1d1808; }
.empty { color: var(--dim); text-align: center; padding: 18px 0; font-size: 14px; }