:root {
  --bg: #fbf7ef;
  --card: #ffffff;
  --text: #17201b;
  --muted: #66736b;
  --line: #e2e7e4;
  --accent: #2e8b5f;
  --accent-soft: #e2f1e8;
  --water: #0ea5e9;
  --warn: #c94a2e;
  --danger: #dc2626;
  --radius: 16px;
  --tabbar-h: 62px;
  --overlay: rgba(0, 0, 0, .45);
  --on-accent: #ffffff;
  color-scheme: light;
}
/* Darstellung: data-theme="light" | "dark" am <html>, ohne Attribut = Systemeinstellung */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0e1411;
    --card: #18201c;
    --text: #e8eeea;
    --muted: #94a39a;
    --line: #2a352f;
    --accent: #45b07c;
    --accent-soft: #173d2a;
    --water: #38bdf8;
    --warn: #ef7a5c;
    --danger: #f87171;
    --overlay: rgba(0, 0, 0, .65);
    --on-accent: #052e14;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0e1411;
  --card: #18201c;
  --text: #e8eeea;
  --muted: #94a39a;
  --line: #2a352f;
  --accent: #45b07c;
  --accent-soft: #173d2a;
  --water: #38bdf8;
  --warn: #ef7a5c;
  --danger: #f87171;
  --overlay: rgba(0, 0, 0, .65);
  --on-accent: #052e14;
  color-scheme: dark;
}
* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body { margin: 0; background: var(--bg); color: var(--text); }
body {
  font: 16px/1.4 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  min-height: 100dvh;
}
h1, h2 { margin: 0; }
h2 { font-size: 1rem; font-weight: 650; }
.hidden { display: none !important; }
.visually-hidden { position: absolute; opacity: 0; pointer-events: none; width: 1px; height: 1px; }
.muted { color: var(--muted); }
.tiny { font-size: .8rem; }
.err { color: var(--danger); min-height: 1.2em; }
.ok { color: var(--accent); min-height: 1.2em; margin: 0; }

input, select, button { font: inherit; color: inherit; }
input, select {
  width: 100%; padding: 12px; border-radius: 12px; border: 1px solid var(--line);
  background: var(--bg); font-size: 16px; /* verhindert iOS-Zoom */
}
input:focus, select:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
label { display: grid; gap: 4px; font-size: .9rem; color: var(--muted); }

.btn {
  border: 0; border-radius: 12px; padding: 12px 16px; background: var(--line);
  font-weight: 600; cursor: pointer;
}
.btn.primary { background: var(--accent); color: var(--on-accent); }
.btn.danger { background: transparent; color: var(--danger); border: 1px solid var(--danger); }
.btn.small { padding: 8px 12px; font-size: .9rem; }
.btn:active { transform: scale(.97); }
.link { background: none; border: 0; color: var(--accent); cursor: pointer; padding: 8px; }
.icon-btn { background: none; border: 0; font-size: 1.6rem; width: 44px; height: 44px; cursor: pointer; color: var(--text); }

/* Auth */
#auth { min-height: 100dvh; display: grid; place-items: center; padding: 24px; }
.auth-box { width: 100%; max-width: 360px; text-align: center; display: grid; gap: 12px; }
.auth-logo { width: 72px; margin: 0 auto; }
#auth-form { display: grid; gap: 10px; }

/* App-Gerüst */
.topbar {
  position: sticky; top: 0; z-index: 5; display: flex; align-items: center; justify-content: space-between;
  padding: calc(env(safe-area-inset-top) + 4px) 8px 4px; background: var(--bg);
}
.day-label { background: none; border: 0; font-size: 1.1rem; font-weight: 700; cursor: pointer; padding: 8px 12px; }
.view {
  max-width: 640px; margin: 0 auto; padding: 4px 16px calc(var(--tabbar-h) + env(safe-area-inset-bottom) + 24px);
  display: grid; gap: 12px;
}
.tabbar {
  position: fixed; inset: auto 0 0 0; display: flex; background: var(--card); border-top: 1px solid var(--line);
  padding-bottom: env(safe-area-inset-bottom); z-index: 10;
}
.tabbar button {
  flex: 1; height: var(--tabbar-h); background: none; border: 0; display: grid; place-items: center;
  font-size: .75rem; color: var(--muted); cursor: pointer; align-content: center; gap: 2px;
}
.tabbar button span { font-size: 1.3rem; }
.tabbar button.active { color: var(--accent); font-weight: 600; }

.card { background: var(--card); border-radius: var(--radius); padding: 16px; display: grid; gap: 12px; }
.card-head { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.card-head select { width: auto; padding: 6px 10px; }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.row3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
@media (max-width: 380px) { .row2 { grid-template-columns: 1fr; } }

/* Zusammenfassung */
.summary { grid-template-columns: 130px 1fr; align-items: center; }
.ring-wrap { position: relative; width: 130px; height: 130px; }
.ring { width: 100%; height: 100%; transform: rotate(-90deg); }
.ring circle { fill: none; stroke-width: 11; }
.ring-bg { stroke: var(--line); }
.ring-fg { stroke: var(--accent); stroke-linecap: round; stroke-dasharray: 326.7; stroke-dashoffset: 326.7; transition: stroke-dashoffset .4s, stroke .3s; }
.ring-fg.over { stroke: var(--warn); }
.ring-text { position: absolute; inset: 0; display: grid; place-content: center; text-align: center; }
.ring-text strong { font-size: 1.6rem; line-height: 1; }
.ring-text span { font-size: .8rem; color: var(--muted); }
.summary-stats { display: grid; gap: 8px; }
.summary-stats > div:not(.macros) { display: flex; justify-content: space-between; }
.macros { display: flex; gap: 10px; flex-wrap: wrap; font-size: .8rem; color: var(--muted); }

.bar { height: 10px; background: var(--line); border-radius: 99px; overflow: hidden; }
#water-bar { height: 100%; width: 0; background: var(--water); transition: width .3s; }
.btn-row { display: flex; gap: 6px; }
.btn-row .btn { flex: 1; padding: 8px 4px; }
.weight-form { display: flex; gap: 6px; }
.weight-form input { padding: 8px 10px; }

/* Mahlzeiten */
#meals { display: grid; gap: 12px; }
.meal .card-head h2 { display: flex; gap: 8px; align-items: baseline; }
.meal ul { list-style: none; margin: 0; padding: 0; }
.meal li {
  display: flex; justify-content: space-between; gap: 8px; padding: 10px 0; border-top: 1px solid var(--line); cursor: pointer;
}
.meal li .n { overflow: hidden; text-overflow: ellipsis; }
.meal li .g { color: var(--muted); font-size: .85rem; }
.meal li .k { white-space: nowrap; font-weight: 600; }
.add-btn { background: var(--accent-soft); color: var(--accent); }

/* Sheet */
.sheet { position: fixed; inset: 0; background: var(--overlay); z-index: 20; display: flex; align-items: flex-end; justify-content: center; }
.sheet-panel {
  background: var(--card); width: 100%; max-width: 640px; height: 92dvh; border-radius: 20px 20px 0 0;
  padding: 12px 16px calc(16px + env(safe-area-inset-bottom)); display: flex; flex-direction: column; gap: 12px;
}
.sheet-head { display: flex; justify-content: space-between; align-items: center; }
.tab { overflow-y: auto; flex: 1; display: flex; flex-direction: column; gap: 10px; -webkit-overflow-scrolling: touch; }
.form { display: grid; gap: 12px; align-content: start; }
.seg { display: flex; background: var(--bg); border-radius: 12px; padding: 3px; }
.seg button { flex: 1; border: 0; background: none; padding: 8px 2px; border-radius: 10px; cursor: pointer; font-size: .85rem; }
.seg button.active { background: var(--card); font-weight: 600; box-shadow: 0 1px 3px rgba(0,0,0,.15); }
.search-row { display: flex; gap: 8px; }
.results { list-style: none; margin: 0; padding: 0; }
.results li { padding: 12px 4px; border-bottom: 1px solid var(--line); cursor: pointer; display: flex; justify-content: space-between; gap: 10px; }
.results li:active { background: var(--bg); }
.results .n { font-weight: 550; }
.results .b { color: var(--muted); font-size: .8rem; }
.results .k { white-space: nowrap; text-align: right; font-size: .9rem; }
.results .src { display: inline-block; font-size: .7rem; padding: 1px 6px; border-radius: 6px; background: var(--bg); color: var(--muted); margin-left: 4px; }
.picked { display: grid; gap: 2px; }
.chips { display: flex; gap: 6px; flex-wrap: wrap; }
.chips button { border: 1px solid var(--line); background: none; border-radius: 99px; padding: 6px 12px; cursor: pointer; }
.kcal-preview { text-align: center; font-size: 1.1rem; }
.kcal-preview strong { font-size: 2rem; color: var(--accent); }
#barcode-video { width: 100%; border-radius: 12px; background: #000; max-height: 40vh; object-fit: cover; }

/* Verlauf */
.chart svg { width: 100%; height: auto; display: block; }
.chart text { fill: var(--muted); font-size: 10px; }
.chart .grid { stroke: var(--line); stroke-width: 1; }
.chart .line { fill: none; stroke: var(--accent); stroke-width: 2.5; stroke-linejoin: round; }
.chart .dot { fill: var(--accent); }
.chart .goal { stroke: var(--warn); stroke-dasharray: 4 4; stroke-width: 1.5; }
.chart .barr { fill: var(--accent); }
.chart .barr.over { fill: var(--warn); }
.stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; text-align: center; }
.stats-grid div { background: var(--bg); border-radius: 12px; padding: 8px 4px; }
.stats-grid strong { display: block; font-size: 1.1rem; }
.stats-grid span { font-size: .75rem; color: var(--muted); }
.empty { color: var(--muted); text-align: center; padding: 24px 0; }

.toast {
  position: fixed; left: 50%; transform: translateX(-50%); bottom: calc(var(--tabbar-h) + env(safe-area-inset-bottom) + 16px);
  background: var(--text); color: var(--bg); padding: 10px 16px; border-radius: 12px; z-index: 30; max-width: 90vw;
}
#view-history, #view-settings { padding-top: calc(env(safe-area-inset-top) + 16px); }

/* Defizit-Rechner */
.calc { background: var(--bg); border-radius: 12px; padding: 12px; display: grid; gap: 6px; font-size: .9rem; }
.calc:empty { display: none; }
.calc .line { display: flex; justify-content: space-between; gap: 8px; }
.calc .line strong { white-space: nowrap; }
.calc .goal-line { font-size: 1.05rem; border-top: 1px solid var(--line); padding-top: 6px; }
.calc .goal-line strong { color: var(--accent); }
.calc .note { color: var(--warn); font-size: .8rem; }
.calc .hint { color: var(--muted); font-size: .8rem; }
.pos { color: var(--accent); }
.neg { color: var(--warn); }

/* Mahlzeit + Erinnerungszeit */
.meal-row { display: grid; grid-template-columns: 1fr 110px; gap: 8px; align-items: end; }
.meal-row input[type=time] { padding: 11px 8px; }
.version { text-align: center; color: var(--muted); font-size: .75rem; margin: 4px 0 0; }

/* Name & Slogan */
.slogan { margin: -4px 0 0; color: var(--accent); font-weight: 600; font-size: 1.05rem; }
.tagline { margin: 0 0 8px; line-height: 1.5; }

/* Untermenü in den Einstellungen */
.menu-item {
  display: flex; align-items: center; gap: 12px; width: 100%; text-align: left; border: 0;
  cursor: pointer; font: inherit; color: inherit;
}
.menu-item:active { transform: scale(.99); }
.mi-icon { font-size: 1.5rem; }
.mi-text { flex: 1; display: grid; gap: 2px; }
.chev { font-size: 1.6rem; color: var(--muted); line-height: 1; }
.back-link {
  justify-self: start; background: none; border: 0; color: var(--accent); font: inherit; font-weight: 600;
  padding: 4px 0; cursor: pointer;
}
.meal-row { grid-template-columns: 1fr 120px; align-items: center; color: var(--text); font-size: 1rem; }
.meal-row-name { font-weight: 550; }

/* Gerichte & Bissfest-Datenbank */
.meal .btn-row .add-btn { flex: 2; }
.tpl-btn { flex: 1; background: var(--bg); font-size: .85rem; }
.chips button.on { background: var(--accent); color: var(--on-accent); border-color: var(--accent); }
.results.small li { padding: 8px 4px; cursor: default; }
.tab h2 { margin-top: 4px; }

/* Barcode-Scanner */
.scan-big { padding: 18px; font-size: 1.05rem; }
.center { text-align: center; }
label .search-row { display: flex; gap: 8px; }
label .search-row .btn { padding: 0 14px; font-size: 1.2rem; }
.scanner { position: fixed; inset: 0; z-index: 40; background: #000; display: grid; place-items: center; }
.scanner video { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.scanner-frame {
  position: relative; width: min(80vw, 340px); aspect-ratio: 16 / 9; border-radius: 16px;
  border: 3px solid rgba(255, 255, 255, .9); box-shadow: 0 0 0 100vmax rgba(0, 0, 0, .45); overflow: hidden;
}
.scanner-line {
  position: absolute; left: 6%; right: 6%; top: 50%; height: 2px; background: #ef4444;
  box-shadow: 0 0 8px #ef4444; animation: scanline 1.6s ease-in-out infinite alternate;
}
@keyframes scanline { from { top: 15%; } to { top: 85%; } }
.scanner-hint {
  position: absolute; top: calc(env(safe-area-inset-top) + 24px); left: 16px; right: 16px; margin: 0;
  text-align: center; color: #fff; font-weight: 600; text-shadow: 0 1px 4px rgba(0, 0, 0, .8);
}
.scanner-actions {
  position: absolute; bottom: calc(env(safe-area-inset-bottom) + 24px); left: 16px; right: 16px;
  display: flex; gap: 10px; justify-content: center;
}
.scanner-actions .btn { min-width: 120px; background: rgba(255, 255, 255, .92); color: #111; }
.scanner-actions .btn.primary { background: #facc15; }

/* Logo (Login) – das Logo hat einen cremefarbenen Hintergrund, daher als Karte (passt auch im Darkmode) */
.logo-card { margin: 0 auto; width: min(260px, 70vw); background: #fbf7ef; border-radius: 24px; overflow: hidden; }
.logo-card img { display: block; width: 100%; height: auto; }

.notice { text-align: left; gap: 6px; border: 1px solid var(--line); }
.notice p { margin: 0; }

.copyright { text-align: center; color: var(--muted); font-size: .72rem; margin: 0; }

/* Einheiten / Portionen */
.field-title { font-size: .9rem; color: var(--muted); margin-bottom: -6px; }
.chips.units button small { color: inherit; opacity: .75; }
.chips.units button.add { border-style: dashed; color: var(--accent); }
.portion-new { display: grid; gap: 8px; padding: 12px; background: var(--bg); border-radius: 12px; }

/* Kaffee-Tracker */
.coffee-row { display: flex; align-items: stretch; gap: 8px; }
.coffee-row .btn { min-width: 48px; }
.coffee-row .btn.primary { flex: 1; display: grid; line-height: 1.2; }
.coffee-row .btn small { font-weight: 400; opacity: .85; font-size: .75rem; }
.cups { text-align: center; }
.cups strong { font-size: 1.15rem; }
.cup-icons { display: block; font-size: 1.1rem; letter-spacing: 2px; min-height: 1.4em; }
.cup-icons .mug { font-size: 1.55rem; vertical-align: -2px; }
.btn:disabled { opacity: .4; }
.switch-row { display: flex; justify-content: space-between; align-items: center; gap: 12px; color: var(--text); font-size: 1rem; cursor: pointer; }
.switch-row input[type=checkbox] {
  appearance: none; -webkit-appearance: none; width: 52px; height: 32px; padding: 0; flex: none;
  border-radius: 99px; background: var(--line); position: relative; cursor: pointer; transition: background .2s; border: 0;
}
.switch-row input[type=checkbox]::after {
  content: ""; position: absolute; top: 3px; left: 3px; width: 26px; height: 26px; border-radius: 50%;
  background: #fff; box-shadow: 0 1px 3px rgba(0,0,0,.3); transition: transform .2s;
}
.switch-row input[type=checkbox]:checked { background: var(--accent); }
.switch-row input[type=checkbox]:checked::after { transform: translateX(20px); }

/* Spendier mir einen Kaffee */
.donate-wero { display: block; text-align: center; text-decoration: none; padding: 14px; background: #fff48d; color: #1d1d1b; }
.donate-wero b { font-weight: 800; letter-spacing: -.5px; }
.donate-qr summary { cursor: pointer; color: var(--accent); font-size: .9rem; }
.donate-qr img { display: block; margin: 12px auto 0; width: min(200px, 60vw); height: auto; }

/* Feature Request */
textarea {
  width: 100%; padding: 12px; border-radius: 12px; border: 1px solid var(--line); background: var(--bg);
  font: inherit; font-size: 16px; color: inherit; resize: vertical; min-height: 140px;
}
textarea:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
.sheet-panel.compact { height: auto; max-height: 92dvh; overflow-y: auto; }
.counter { text-align: right; margin-top: -6px; }