/* SportAbo Manager — zentrales Stylesheet.
   Regeln für die Weiterentwicklung: siehe CLAUDE.md (keine Inline-Styles,
   nur Klassen/Tokens aus dieser Datei erweitern). */

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --bg: #f8fafc;
    --card: #ffffff;
    --border: #e2e8f0;
    --text: #1e293b;
    --text-muted: #64748b;
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --danger: #dc2626;
    --danger-bg: #fee2e2;
    --success: #16a34a;
    --success-bg: #dcfce7;
    --warning: #d97706;
    --warning-bg: #fef3c7;
    --radius: 8px;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.6;
}

.container { max-width: 960px; margin: 0 auto; padding: 1rem; }
.narrow { max-width: 420px; margin-left: auto; margin-right: auto; }

/* ── Cards ─────────────────────────────────────────────────────────── */
.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
    margin-bottom: 1rem;
}
.card h2 { margin-bottom: 1rem; font-size: 1.2rem; }
.card-sub { background: var(--bg); }

/* ── Buttons ───────────────────────────────────────────────────────── */
.btn {
    display: inline-block;
    padding: 0.5rem 1rem;
    border-radius: var(--radius);
    border: none;
    cursor: pointer;
    font-size: 0.95rem;
    text-decoration: none;
    transition: background 0.15s;
    color: var(--text);
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-success { background: var(--success); color: #fff; }
.btn-warning { background: var(--warning); color: #fff; }
.btn-outline { background: transparent; border: 1px solid var(--border); }
.btn-sm { padding: 0.3rem 0.6rem; font-size: 0.85rem; }
.btn-block { display: block; width: 100%; text-align: center; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* ── Forms ─────────────────────────────────────────────────────────── */
input, select, textarea {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 0.95rem;
}
input[type="checkbox"] { width: auto; }
label {
    display: block;
    margin-bottom: 0.25rem;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-muted);
}
.form-group { margin-bottom: 1rem; }
.form-row { display: flex; gap: 0.75rem; }
.form-row .form-group { flex: 1; }
.form-inline { display: flex; gap: 0.5rem; align-items: flex-end; flex-wrap: wrap; }
.form-inline .form-group { margin-bottom: 0; }

/* ── Flash messages ────────────────────────────────────────────────── */
.msg { padding: 0.75rem; border-radius: var(--radius); margin-bottom: 1rem; }
.msg-success { background: var(--success-bg); color: #166534; border: 1px solid #bbf7d0; }
.msg-error { background: var(--danger-bg); color: #991b1b; border: 1px solid #fecaca; }

/* ── Tables ────────────────────────────────────────────────────────── */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 0.5rem; text-align: left; border-bottom: 1px solid var(--border); white-space: nowrap; }
th { font-weight: 600; color: var(--text-muted); font-size: 0.85rem; text-transform: uppercase; }
td.num, th.num { text-align: right; }
tr.total td { font-weight: 700; border-top: 2px solid var(--border); }

/* ── Badges ────────────────────────────────────────────────────────── */
.badge {
    display: inline-block;
    padding: 0.15rem 0.5rem;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 600;
}
.badge-success { background: var(--success-bg); color: #166534; }
.badge-danger { background: var(--danger-bg); color: #991b1b; }
.badge-warning { background: var(--warning-bg); color: #92400e; }
.badge-muted { background: var(--border); color: var(--text-muted); }

/* ── Navigation ────────────────────────────────────────────────────── */
nav {
    background: var(--card);
    border-bottom: 1px solid var(--border);
    padding: 0.6rem 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
    position: sticky;
    top: 0;
    z-index: 40;
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.06);
}
nav a {
    text-decoration: none;
    color: var(--text);
    font-weight: 600;
    margin-left: 0.35rem;
    padding: 0.45rem 0.8rem;
    display: inline-block;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: var(--bg);
}
nav a:hover { color: var(--primary); border-color: var(--primary); }

/* ── Stat tiles ────────────────────────────────────────────────────── */
.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
    gap: 0.75rem;
    margin-bottom: 1rem;
}
.stat-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1rem;
    text-align: center;
}
.stat-card .value { font-size: 1.4rem; font-weight: 700; }
.stat-card .value.small { font-size: 0.95rem; }
.stat-card .value.neg { color: var(--danger); }
.stat-card .label { font-size: 0.8rem; color: var(--text-muted); }

/* ── Event cards (Member, mobile-first) ────────────────────────────── */
.event-list { display: flex; flex-direction: column; gap: 0.75rem; }
.event-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 0.75rem 1rem;
}
.event-item .when { font-weight: 600; }
.event-item .meta { font-size: 0.85rem; color: var(--text-muted); }
.event-item .book-form { display: flex; gap: 0.5rem; align-items: center; }
.event-item .book-form input[type="number"] { width: 4.5rem; }

/* Antippbare Karten (data-href): ganze Karte öffnet die Detailseite */
[data-href] { cursor: pointer; }
.event-item[data-href]:hover { border-color: var(--primary); }
.event-item[data-href]::after {
    content: "›";
    color: var(--text-muted);
    font-size: 1.5rem;
    line-height: 1;
    margin-left: auto;
    align-self: center;
}

/* ── Utilities ─────────────────────────────────────────────────────── */
.flex-between { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 0.5rem; }
.actions { display: flex; gap: 0.5rem; flex-wrap: wrap; align-items: center; }
.muted { color: var(--text-muted); }
.small { font-size: 0.85rem; }
.mt-1 { margin-top: 1rem; }
.mb-0 { margin-bottom: 0; }
.inline { display: inline; }
.copy-row { display: flex; gap: 0.5rem; align-items: center; }
.center { text-align: center; }
details > summary { cursor: pointer; }
details > summary strong { color: var(--primary); }
details > summary::marker { color: var(--primary); }

.otp-row { display: flex; flex-wrap: nowrap; gap: 0.5rem; justify-content: center; }
.otp-input {
    flex: 0 0 auto;
    width: 2.6rem;
    height: 3.2rem;
    text-align: center;
    font-size: 1.5rem;
    font-weight: 700;
    padding: 0;
    margin: 0;
}
.emoji-big { font-size: 3rem; margin-bottom: 1rem; }
.highlight { font-size: 1.2rem; font-weight: 700; color: var(--primary); }
.copy-row input { flex: 1; font-size: 0.85rem; color: var(--text-muted); }

/* ── Tabs: Desktop = Reiter oben, Mobil = Bottom-Bar ───────────────── */
.tabs {
    display: flex;
    gap: 0.25rem;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 0.25rem;
    margin-bottom: 1rem;
    overflow-x: auto;
}
.tab-btn {
    flex: 1;
    padding: 0.6rem 0.75rem;
    border: none;
    background: transparent;
    border-radius: 6px;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
    color: var(--text-muted);
}
.tab-btn.active { background: var(--primary); color: #fff; }
.tab-panel { display: none; }
.tab-panel.active { display: block; }
.tab-spacer { display: none; }

@media (max-width: 640px) {
    .container { padding: 0.5rem; }
    .card { padding: 1rem; }
    .form-row { flex-direction: column; gap: 0; }

    .tabs {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        z-index: 50;
        margin: 0;
        border-radius: 0;
        border-left: none;
        border-right: none;
        border-bottom: none;
        box-shadow: 0 -2px 8px rgba(0, 0, 0, 0.08);
        padding: 0.35rem 0.5rem calc(0.35rem + env(safe-area-inset-bottom));
    }
    .tab-btn { font-size: 0.8rem; padding: 0.55rem 0.25rem; }
    .tab-spacer { display: block; height: 4.5rem; }
}