/* Layout: one phone-width column, header + tab body + fixed bottom tab bar */
:root{
  --bg:#EEF1F4; --surface:#FFFFFF; --ink:#16202B; --muted:#5E6B78; --line:#D7DDE3;
  --accent:#2350C8; --accent-ink:#FFFFFF; --plus:#18794E; --minus:#C2362B; --off:#B7791F; --soft:#E3E9F7;
  --sans:"Instrument Sans",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --mono:"Azeret Mono",ui-monospace,"Roboto Mono",Consolas,monospace;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){:root{
  --bg:#10151B; --surface:#19212A; --ink:#E8EDF2; --muted:#93A0AD; --line:#2A3542;
  --accent:#6E92F2; --accent-ink:#0B1220; --plus:#4CC38A; --minus:#F07167; --off:#E0A84A; --soft:#1F2C44; color-scheme:dark}}
*{box-sizing:border-box}
html,body{height:100%;margin:0}
body{background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:16px;-webkit-tap-highlight-color:transparent}
[hidden]{display:none!important}
.app{max-width:440px;margin:0 auto;min-height:100%;display:flex;flex-direction:column;
  padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px));
  padding-top:env(safe-area-inset-top,0px);padding-bottom:calc(96px + env(safe-area-inset-bottom,0px))}
header{display:flex;align-items:center;justify-content:space-between;padding-block:16px 8px}
header h1{font-size:20px;margin:0;font-weight:700;letter-spacing:-.01em}
header small{display:block;color:var(--muted);font-size:13px;font-weight:500}
.icon-btn{width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:var(--surface);color:var(--ink);display:grid;place-items:center;cursor:pointer;font-size:20px}
.num{font-family:var(--mono);font-variant-numeric:tabular-nums}
section[data-tab]{display:flex;flex-direction:column;gap:16px;padding-top:8px}
/* Heute */
.clock{display:flex;flex-direction:column;align-items:center;gap:6px;padding-block:20px 4px}
.clock .now{font-family:var(--mono);font-size:44px;font-weight:500;letter-spacing:-.02em}
.clock .state{font-size:14px;color:var(--muted)}
.state .dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--plus);margin-right:6px;vertical-align:1px}
.big{width:100%;min-height:88px;border:0;border-radius:20px;font:600 22px var(--sans);cursor:pointer;background:var(--accent);color:var(--accent-ink)}
.big.out{background:var(--ink);color:var(--bg)}
.big.done{background:var(--surface);color:var(--muted);border:1px dashed var(--line);font-size:17px}
button:focus-visible,input:focus-visible{outline:3px solid var(--accent);outline-offset:2px}
.panel{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:4px 16px}
.row{display:flex;justify-content:space-between;align-items:baseline;padding-block:12px;border-bottom:1px solid var(--line);gap:12px}
.row:last-child{border-bottom:0}
.row span:first-child{color:var(--muted)}
.row .hint{font-size:12px;color:var(--muted);margin-left:6px;font-family:var(--sans)}
.row.total span:last-child{font-weight:600;font-size:18px}
.row[data-time]{position:relative}
.row[data-time] input{position:absolute;inset:0;opacity:0;width:100%;height:100%;padding:0;border:0;margin:0;font-size:16px;cursor:pointer;z-index:1}
.row[data-time] input:disabled{pointer-events:none}
.row.tap{cursor:pointer}
.tapval{color:var(--accent);text-decoration:underline dotted;text-underline-offset:4px}
.week{display:flex;flex-direction:column;gap:8px}
.week .lbl{display:flex;justify-content:space-between;font-size:14px;color:var(--muted)}
.bar{height:10px;border-radius:6px;background:var(--line);position:relative;overflow:hidden}
.bar i{position:absolute;inset:0 auto 0 0;background:var(--accent);border-radius:6px}
.bar b{position:absolute;top:0;bottom:0;width:2px;background:var(--ink);opacity:.5}
.link{background:none;border:0;color:var(--accent);font:500 14px var(--sans);cursor:pointer;align-self:center;padding:8px}
.warn{background:var(--surface);border:1px solid var(--off);border-radius:14px;padding:12px 16px;display:flex;justify-content:space-between;align-items:center;gap:12px;font-size:14px}
.warn button{border:0;background:var(--off);color:var(--surface);font:600 14px var(--sans);border-radius:10px;padding:10px 14px;cursor:pointer;flex:0 0 auto}
/* Kalender */
.monthbar{display:flex;align-items:center;justify-content:space-between}
.monthbar h2{font-size:18px;margin:0}
.cal{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:4px}
.cal .wd{font-size:12px;color:var(--muted);text-align:center;padding-bottom:4px;text-transform:uppercase;letter-spacing:.06em}
.cal button{aspect-ratio:1/1.15;max-width:100%;border:1px solid transparent;border-radius:10px;background:var(--surface);color:var(--ink);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;cursor:pointer;font:500 15px var(--sans);padding:0}
.cal button.empty{visibility:hidden}
.cal button.we{background:transparent;color:var(--muted)}
.cal button.today{border-color:var(--accent)}
.cal button small{font-family:var(--mono);font-size:10px;color:var(--muted)}
.cal button.off small{color:var(--off);font-family:var(--sans);font-weight:600}
.legend{display:flex;gap:14px;flex-wrap:wrap;font-size:13px;color:var(--muted)}
.legend span::before{content:"";display:inline-block;width:10px;height:10px;border-radius:3px;margin-right:6px;vertical-align:-1px;background:var(--c)}
/* Überstunden */
.saldo{display:flex;flex-direction:column;align-items:center;gap:4px;padding-block:24px 12px}
.saldo .v{font-family:var(--mono);font-size:56px;font-weight:600;letter-spacing:-.03em}
.saldo .cap{color:var(--muted);font-size:14px}
.pos{color:var(--plus)} .neg{color:var(--minus)} .zero{color:var(--muted)}
.rule{font-size:13px;color:var(--muted);line-height:1.5;margin:0}
.empty-state{text-align:center;color:var(--muted);padding:32px 8px;line-height:1.5}
.wk{display:grid;grid-template-columns:auto 1fr auto;gap:4px 12px;align-items:baseline;padding-block:12px;border-bottom:1px solid var(--line)}
.wk:last-child{border-bottom:0}
.wk .k{font-weight:600}
.wk .d{color:var(--muted);font-size:13px}
.wk .x{font-family:var(--mono);font-weight:600}
.pill{font-size:11px;font-weight:600;padding:2px 8px;border-radius:999px;background:var(--soft);color:var(--accent);margin-left:6px;vertical-align:1px}
/* Tab bar */
.tabbar{position:fixed;left:0;right:0;bottom:0;background:var(--surface);border-top:1px solid var(--line);z-index:5;
  padding-bottom:env(safe-area-inset-bottom,0px);padding-left:env(safe-area-inset-left,0px);padding-right:env(safe-area-inset-right,0px)}
.tabbar nav{max-width:440px;margin:0 auto;display:grid;grid-template-columns:repeat(3,1fr)}
.tabbar button{background:none;border:0;color:var(--muted);font:500 13px var(--sans);display:flex;flex-direction:column;align-items:center;gap:4px;padding:10px 0 12px;cursor:pointer}
.tabbar button[aria-selected="true"]{color:var(--accent)}
.tabbar svg{width:24px;height:24px}
/* Sheets */
.scrim{position:fixed;inset:0;background:rgba(10,15,20,.45);display:flex;align-items:flex-end;justify-content:center;z-index:20}
.sheet{background:var(--surface);width:100%;max-width:440px;border-radius:20px 20px 0 0;max-height:90%;overflow:auto;
  padding:20px max(16px,env(safe-area-inset-right,0px)) calc(20px + env(safe-area-inset-bottom,0px)) max(16px,env(safe-area-inset-left,0px));display:flex;flex-direction:column;gap:16px}
.sheet h3{margin:0;font-size:18px}
.seg{display:grid;grid-template-columns:repeat(4,1fr);gap:4px;background:var(--bg);padding:4px;border-radius:12px}
.seg button{border:0;background:none;border-radius:9px;padding:10px 0;font:500 14px var(--sans);color:var(--muted);cursor:pointer}
.seg button[aria-pressed="true"]{background:var(--surface);color:var(--ink);box-shadow:0 1px 2px rgba(0,0,0,.12)}
.fields{display:grid;grid-template-columns:1fr 1fr;gap:12px}
label{display:flex;flex-direction:column;gap:6px;font-size:13px;color:var(--muted)}
input{font:500 18px var(--mono);padding:12px;border-radius:12px;border:1px solid var(--line);background:var(--bg);color:var(--ink);min-width:0;width:100%}
.full{grid-column:1/-1}
.result{display:flex;justify-content:space-between;align-items:baseline;padding:12px 16px;background:var(--soft);border-radius:12px}
.result b{font-family:var(--mono);font-size:22px}
.error{color:var(--minus);font-size:14px;margin:0}
.actions{display:flex;gap:10px}
.actions button{flex:1;min-height:52px;border-radius:14px;font:600 16px var(--sans);cursor:pointer;border:1px solid var(--line);background:var(--surface);color:var(--ink)}
.actions .primary{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}
.actions .danger{color:var(--minus);flex:0 0 auto;padding-inline:18px}
.set-row{align-items:center}
.set-row input{width:96px;text-align:right}
.toast{position:fixed;left:50%;transform:translateX(-50%);bottom:calc(92px + env(safe-area-inset-bottom,0px));background:var(--ink);color:var(--bg);padding:10px 16px;border-radius:10px;font-size:14px;z-index:30;max-width:calc(100% - 32px)}
@media (prefers-reduced-motion:no-preference){.sheet{animation:up .18s ease-out}@keyframes up{from{transform:translateY(24px);opacity:.6}}}