:root {
    --bg: #f7f8fa;
    --card: #ffffff;
    --ink: #1f2933;
    --muted: #6b7280;
    --accent: #2563eb;
    --accent-dark: #1d4ed8;
    --pos: #15803d;
    --neg: #b91c1c;
    --pos-bg: #ecfdf3;
    --neg-bg: #fef2f2;
    --border: #e7e9ee;
    --hover: #f0f3f8;
    --input-bg: #ffffff;
    --track: #eef2ff;
    --shadow: none;
}
[data-theme="dark"] {
    --bg: #15171c;
    --card: #1e2128;
    --ink: #e6e8eb;
    --muted: #9aa3af;
    --accent: #5b91ff;
    --accent-dark: #7aa6ff;
    --pos: #4ade80;
    --neg: #f87171;
    --pos-bg: #14271c;
    --neg-bg: #2a1818;
    --border: #2b2f37;
    --hover: #262a32;
    --input-bg: #14161b;
    --track: #2b2f37;
    --shadow: none;
}
* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    background: var(--bg);
    color: var(--ink);
    line-height: 1.5;
}

/* Kopfzeile */
header {
    background: var(--card);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.7rem 1.25rem;
    flex-wrap: wrap;
}
.brand { font-weight: 600; font-size: 1.1rem; text-decoration: none; color: var(--ink); }
nav { display: flex; gap: 0.25rem; align-items: center; flex-wrap: wrap; }
nav a { text-decoration: none; color: var(--muted); padding: 0.3rem 0.55rem; border-radius: 7px; font-size: 0.92rem; }
nav a:hover { background: var(--hover); color: var(--ink); }
.ico { margin-right: 0.35rem; font-size: 0.95em; }
.theme-toggle {
    margin-left: auto;
    background: none;
    border: 1px solid var(--border);
    color: var(--ink);
    font-size: 1rem;
    line-height: 1;
    padding: 0.35rem 0.55rem;
    border-radius: 8px;
    cursor: pointer;
}
.theme-toggle:hover { background: var(--hover); }
.nav-toggle { display: none; }
.burger {
    display: none;
    font-size: 1.5rem;
    line-height: 1;
    cursor: pointer;
    padding: 0.1rem 0.4rem;
    user-select: none;
}

main { max-width: 860px; margin: 1.75rem auto; padding: 0 1rem; }

/* Karten – flach, ruhig */
.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 1.25rem 1.4rem;
    margin-bottom: 1rem;
    box-shadow: var(--shadow);
}
.card.narrow { max-width: 420px; }
h1 { margin-top: 0; font-size: 1.3rem; font-weight: 600; }
h2 { font-size: 1.05rem; font-weight: 600; color: var(--ink); }

/* Formulare */
label { display: block; margin-bottom: 0.75rem; font-size: 0.88rem; color: var(--muted); }
input, select {
    display: block;
    width: 100%;
    margin-top: 0.25rem;
    padding: 0.5rem 0.65rem;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 1rem;
    color: var(--ink);
    background: var(--input-bg);
}
input:focus, select:focus { outline: none; border-color: var(--accent); }
button {
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: 8px;
    padding: 0.5rem 0.95rem;
    font-size: 0.92rem;
    cursor: pointer;
}
button:hover { background: var(--accent-dark); }
/* Sekundäraktionen schlicht als Ghost-Buttons (ruhiger in den Admin-Tabellen) */
button.small {
    padding: 0.3rem 0.6rem;
    font-size: 0.8rem;
    background: transparent;
    color: var(--muted);
    border: 1px solid var(--border);
}
button.small:hover { background: var(--hover); color: var(--ink); }
button.link { background: none; color: var(--accent); padding: 0.25rem 0.5rem; }
button.link:hover { background: var(--hover); }
button:disabled { opacity: 0.5; cursor: not-allowed; }
form.inline { display: inline; margin: 0; }

.error { color: var(--neg); background: var(--neg-bg); padding: 0.5rem 0.75rem; border-radius: 8px; }
.flash { color: var(--pos); background: var(--pos-bg); padding: 0.5rem 0.75rem; border-radius: 8px; margin: 0; }
label.checkbox { display: flex; align-items: flex-start; gap: 0.5rem; color: var(--ink); }
label.checkbox input { width: auto; margin-top: 0.2rem; }
.hint { color: var(--muted); font-size: 0.85rem; }
a { color: var(--accent); }

/* Tabellen */
table { width: 100%; border-collapse: collapse; margin-top: 0.5rem; }
th, td { text-align: left; padding: 0.5rem 0.6rem; border-bottom: 1px solid var(--border); font-size: 0.9rem; }
th { color: var(--muted); font-weight: 600; }
.pos { color: var(--pos); }
.neg { color: var(--neg); }

.balance { font-size: 1.05rem; }
.pool { text-align: center; padding: 1rem; border-radius: 10px; background: var(--pos-bg); }
.pool.neg { background: var(--neg-bg); }
.pool-label { color: var(--muted); font-size: 0.9rem; }
.pool-value { font-size: 1.9rem; font-weight: 700; }

.drink-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 0.75rem; }
.drink { border: 1px solid var(--border); border-radius: 9px; padding: 0.85rem; }
.drink-name { font-weight: 600; }
.drink-price { color: var(--accent); font-weight: 600; margin: 0.25rem 0 0.5rem; }
.consume-form { display: flex; gap: 0.4rem; align-items: center; }
.consume-form input { width: 4rem; margin-top: 0; }
.consume-form button { white-space: nowrap; }

/* Bezahl-Karte */
.pay { display: flex; flex-wrap: wrap; gap: 1.5rem; align-items: center; }
.pay-qr { text-align: center; }
.pay-qr img { width: 200px; height: 200px; background: #fff; padding: 6px; border: 1px solid var(--border); border-radius: 8px; }
.pay-options { flex: 1; min-width: 200px; }
.paypal-btn {
    display: inline-block;
    background: #0070ba;
    color: #fff;
    text-decoration: none;
    padding: 0.6rem 1.1rem;
    border-radius: 8px;
    font-weight: 600;
}
.paypal-btn:hover { background: #005ea6; }
.table-wrap { overflow-x: auto; }
.actions form { display: inline-block; margin: 0 0.2rem 0.2rem 0; }
.edit-row { display: flex; gap: 0.4rem; flex-wrap: wrap; align-items: center; margin: 0; }
.edit-row input { width: auto; flex: 1; min-width: 140px; margin-top: 0; }

/* Statistik */
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 1rem; margin-bottom: 0.75rem; }
.stat-grid strong { font-size: 1.25rem; }
.bar-row { display: flex; align-items: center; gap: 0.6rem; margin: 0.35rem 0; }
.bar-label { width: 130px; flex-shrink: 0; font-size: 0.9rem; }
.bar-track { flex: 1; background: var(--track); border-radius: 6px; height: 1.1rem; overflow: hidden; }
.bar-fill { background: var(--accent); height: 100%; border-radius: 6px; }
.bar-val { width: 170px; flex-shrink: 0; text-align: right; font-size: 0.85rem; color: var(--muted); }
@media (max-width: 640px) {
    .bar-label { width: 80px; }
    .bar-val { width: 110px; }
}

/* --- Handy-Optimierung --- */
@media (max-width: 640px) {
    header { flex-wrap: nowrap; }
    .burger { display: block; }
    nav {
        flex-basis: 100%;
        flex-direction: column;
        align-items: stretch;
        gap: 0.15rem;
        margin: 0.5rem 0 0;
        display: none;
    }
    .nav-toggle:checked ~ nav { display: flex; }
    nav a, nav .link { padding: 0.7rem 0.5rem; border-radius: 8px; }
    main { margin: 1rem auto; }
    .card { padding: 1rem; border-radius: 10px; }
    .drink-grid { grid-template-columns: 1fr; }
    .consume-form button { flex: 1; padding: 0.7rem 1rem; }
    .pool-value { font-size: 1.6rem; }
    .pay { justify-content: center; }
    table { font-size: 0.85rem; display: block; overflow-x: auto; white-space: nowrap; }
    th, td { padding: 0.4rem; }
}