/* ===== Aitel E-Sports – Population One Theme ===== */
:root {
    --bg: #0b0e14;
    --bg2: #11151f;
    --card: #161b27;
    --border: #232a3a;
    --text: #e6e9f0;
    --muted: #8a93a6;
    --accent: #00e5ff;
    --accent2: #7c4dff;
    --danger: #ff4d6d;
    --success: #2ecc71;
    --warn: #ffb020;
}

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

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: radial-gradient(1200px 600px at 20% -10%, #1a2340 0%, var(--bg) 55%);
    color: var(--text);
    min-height: 100vh;
    line-height: 1.5;
}

/* ===== Navigation ===== */
.topnav {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.9rem 1.5rem;
    background: rgba(13, 17, 26, 0.9);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 10;
    backdrop-filter: blur(6px);
}
.topnav .brand { font-weight: 700; font-size: 1.1rem; color: var(--accent); display: flex; align-items: center; gap: 0.5rem; }
.brand-logo { width: 64px; height: 64px; border-radius: 12px; object-fit: cover; }
.topnav .nav-links { display: flex; gap: 1rem; margin-left: auto; }
.topnav .nav-links a { color: var(--text); text-decoration: none; opacity: 0.85; }
.topnav .nav-links a:hover { opacity: 1; color: var(--accent); }
.topnav .nav-user { color: var(--muted); font-size: 0.9rem; }
.nav-logout { margin: 0; }
.nav-logout-btn {
    background: none;
    border: none;
    color: var(--text);
    opacity: 0.85;
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 600;
    padding: 0;
    text-decoration: none;
}
.nav-logout-btn:hover { color: var(--accent); opacity: 1; }

/* ===== Layout ===== */
.container { max-width: 1100px; margin: 0 auto; padding: 1.5rem; }
.card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}
h1 { font-size: 1.6rem; margin-bottom: 0.3rem; }
h2 { font-size: 1.2rem; margin-bottom: 0.8rem; color: var(--accent); }
h3 { font-size: 1rem; margin: 0.8rem 0 0.5rem; }
.subtitle { color: var(--muted); margin-bottom: 1.2rem; }
.muted { color: var(--muted); font-size: 0.9rem; }

/* ===== Login ===== */
.login-card { max-width: 400px; margin: 4rem auto; text-align: center; }
.login-card .logo { margin-bottom: 0.5rem; }
.login-card .logo img { width: 72px; height: 72px; border-radius: 14px; object-fit: cover; box-shadow: 0 0 20px rgba(0, 229, 255, 0.25); }
.login-card form { text-align: left; margin-top: 1rem; }

/* ===== Formulare ===== */
label { display: block; margin-bottom: 0.8rem; font-size: 0.9rem; color: var(--muted); }
input, select, textarea {
    width: 100%;
    padding: 0.6rem 0.8rem;
    margin-top: 0.3rem;
    background: var(--bg2);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    font-size: 0.95rem;
}
input:focus, select:focus { outline: none; border-color: var(--accent); background: #161d2e; box-shadow: 0 0 0 3px rgba(0, 229, 255, 0.12); }
.form-inline { display: flex; flex-wrap: wrap; gap: 0.5rem; align-items: center; margin-bottom: 1rem; }
.form-inline input, .form-inline select { width: auto; margin-top: 0; }
.inline-label { display: inline-flex; align-items: center; gap: 0.3rem; color: var(--text); font-size: 0.85rem; }
.inline-label input { width: auto; margin: 0; }

/* ===== Buttons ===== */
.btn {
    display: inline-block;
    padding: 0.55rem 1.1rem;
    border: none;
    border-radius: 8px;
    background: var(--bg2);
    color: var(--text);
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.15s;
}
.btn:hover { filter: brightness(1.15); }
.btn-primary { background: linear-gradient(135deg, var(--accent), var(--accent2)); color: #0b0e14; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-block { width: 100%; }
.btn-sm { padding: 0.35rem 0.7rem; font-size: 0.8rem; }

/* ===== Alerts ===== */
.alert { padding: 0.8rem 1rem; border-radius: 8px; margin-bottom: 1rem; font-size: 0.9rem; }
.alert-error { background: rgba(255, 77, 109, 0.15); border: 1px solid var(--danger); color: var(--danger); }
.alert-success { background: rgba(46, 204, 113, 0.15); border: 1px solid var(--success); color: var(--success); }
.alert-warning { background: rgba(255, 176, 32, 0.15); border: 1px solid var(--warn); color: var(--warn); }

/* ===== Wochen-Ansicht ===== */
.week { margin-bottom: 2.5rem; }
.week-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border);
    padding-bottom: 0.6rem;
    margin-bottom: 1rem;
}
.week-header h2 { margin: 0; font-size: 1.15rem; color: var(--text); }
.week-header h2 small { color: var(--muted); font-weight: 400; font-size: 0.85rem; }
.week-badge {
    background: rgba(0, 229, 255, 0.12);
    color: var(--accent);
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.25rem 0.7rem;
    border-radius: 20px;
    border: 1px solid rgba(0, 229, 255, 0.3);
}
.week-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 0.9rem;
}
.day-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 0.9rem;
    min-height: 130px;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    transition: border-color 0.2s, box-shadow 0.2s, transform 0.15s;
}
.day-card:hover { border-color: rgba(0, 229, 255, 0.4); }
.day-card.day-hidden { opacity: 0.3; background: var(--bg2); }
.day-card.day-hidden:hover { border-color: var(--border); }
.day-head { display: flex; justify-content: space-between; align-items: center; }
.day-name { font-weight: 700; font-size: 0.9rem; }
.day-date { color: var(--muted); font-size: 0.8rem; }
.tournament { display: flex; flex-direction: column; gap: 0.35rem; flex: 1; }
.t-name { font-weight: 700; color: var(--accent); font-size: 0.95rem; line-height: 1.2; }
.t-time { color: var(--muted); font-size: 0.85rem; }
.t-comment { font-size: 0.8rem; color: var(--text); opacity: 0.8; }
.reg-form { margin-top: auto; }
.team-badge { font-size: 0.75rem; color: var(--accent2); background: rgba(124, 77, 255, 0.15); padding: 0.2rem 0.5rem; border-radius: 6px; }

/* ===== Teams ===== */
.teams-box { margin-top: 1rem; padding: 1rem; background: var(--bg2); border: 1px solid var(--border); border-radius: 10px; }
.team-row { margin: 0.3rem 0; font-size: 0.9rem; }
.team-block { margin-bottom: 1.5rem; padding-bottom: 1rem; border-bottom: 1px solid var(--border); }
.team-list { display: flex; flex-wrap: wrap; gap: 0.5rem; margin: 0.5rem 0; }
.team-item { display: flex; align-items: center; gap: 0.4rem; background: var(--bg2); padding: 0.3rem 0.6rem; border-radius: 6px; }

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

/* ===== Badges ===== */
.badge { padding: 0.2rem 0.5rem; border-radius: 6px; font-size: 0.75rem; }
.badge-warn { background: rgba(255, 176, 32, 0.2); color: var(--warn); }
.badge-ok { background: rgba(46, 204, 113, 0.2); color: var(--success); }

/* ===== Einklappbare vergangene Turniere ===== */
.past-toggle { margin-top: 1rem; }
.past-toggle summary {
    cursor: pointer;
    color: var(--muted);
    font-size: 0.9rem;
    padding: 0.4rem 0;
    user-select: none;
}
.past-toggle summary:hover { color: var(--accent); }
.past-toggle .table { margin-top: 0.5rem; opacity: 0.85; }

/* ===== Auf-/zuklappbare Admin-Sektionen ===== */
.admin-section { padding: 0; overflow: hidden; }
.admin-section > summary {
    cursor: pointer;
    list-style: none;
    padding: 1rem 1.5rem;
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--accent);
    display: flex;
    align-items: center;
    justify-content: space-between;
    user-select: none;
}
.admin-section > summary::-webkit-details-marker { display: none; }
.admin-section > summary::after {
    content: '▾';
    font-size: 1rem;
    color: var(--muted);
    transition: transform 0.2s;
}
.admin-section:not([open]) > summary::after { transform: rotate(-90deg); }
.admin-section > summary:hover { background: rgba(0, 229, 255, 0.05); }
.admin-section > *:not(summary) { padding-left: 1.5rem; padding-right: 1.5rem; }
.admin-section > *:not(summary):last-child { padding-bottom: 1.5rem; }

/* ===== Footer ===== */
.site-footer {
    margin-top: 2rem;
    padding: 1.5rem 1rem 2rem;
    text-align: center;
    border-top: 1px solid var(--border);
    background: rgba(13, 17, 26, 0.6);
}
.footer-banner {
    max-width: 100%;
    width: 420px;
    height: auto;
    object-fit: contain;
    border-radius: 10px;
    border: 1px solid var(--border);
    display: block;
    margin: 0 auto 0.8rem;
}
.footer-credit {
    color: var(--muted);
    font-size: 0.85rem;
    margin: 0;
}

/* ===== Galerie ===== */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
    margin-top: 0.8rem;
}
.gallery-item {
    margin: 0;
    background: var(--bg2);
    border: 1px solid var(--border);
    border-radius: 10px;
    overflow: hidden;
}
.gallery-item img {
    width: 100%;
    height: 180px;
    object-fit: cover;
    display: block;
    transition: transform 0.2s;
}
.gallery-item a:hover img { transform: scale(1.03); }
.gallery-item figcaption {
    padding: 0.5rem 0.7rem;
    font-size: 0.85rem;
    color: var(--text);
}

/* Admin-Galerie */
.gallery-admin-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 1rem;
    margin-top: 0.8rem;
}
.gallery-admin-item {
    background: var(--bg2);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 0.6rem;
}
.gallery-admin-item > img {
    width: 100%;
    height: 150px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 0.5rem;
}
.gallery-edit-form { display: flex; flex-direction: column; gap: 0.4rem; }
.gallery-edit-form input, .gallery-edit-form select { width: 100%; margin-top: 0; }
.gallery-edit-actions { display: flex; gap: 0.4rem; justify-content: flex-end; }

/* ===== Stats-Kacheln ===== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}
.stat-card {
    background: linear-gradient(160deg, var(--card) 0%, var(--bg2) 100%);
    border: 1px solid var(--border);
    border-radius: 14px;
    padding: 1.2rem 1rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), var(--accent2));
    opacity: 0.6;
}
.stat-icon { font-size: 1.4rem; margin-bottom: 0.3rem; }
.stat-value {
    font-size: 2rem;
    font-weight: 800;
    color: var(--accent);
    line-height: 1.1;
    text-shadow: 0 0 20px rgba(0, 229, 255, 0.2);
}
.stat-date { font-size: 1.3rem; }
.stat-label {
    color: var(--muted);
    font-size: 0.8rem;
    margin-top: 0.4rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

/* ===== Meine Turniere ===== */
.my-tournaments h2 { margin-bottom: 0.8rem; }
.my-tournament-list { display: flex; flex-direction: column; gap: 0.5rem; }
.my-tournament-item {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    background: var(--bg2);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 0.7rem 1rem;
    transition: border-color 0.2s;
}
.my-tournament-item:hover { border-color: rgba(0, 229, 255, 0.4); }
.my-date {
    font-weight: 700;
    color: var(--accent);
    white-space: nowrap;
    background: rgba(0, 229, 255, 0.1);
    padding: 0.2rem 0.6rem;
    border-radius: 6px;
    font-size: 0.85rem;
}
.my-name { flex: 1; font-weight: 600; }
.my-time { color: var(--muted); font-size: 0.85rem; white-space: nowrap; }

/* ===== Heute-Badge ===== */
.day-card.is-today { border-color: var(--accent); box-shadow: 0 0 12px rgba(0, 229, 255, 0.15); }
.today-badge {
    display: inline-block;
    background: linear-gradient(135deg, var(--accent), var(--accent2));
    color: #0b0e14;
    font-size: 0.65rem;
    font-weight: 700;
    padding: 0.1rem 0.4rem;
    border-radius: 6px;
    margin-left: 0.3rem;
    vertical-align: middle;
}
.t-signups { color: var(--muted); font-size: 0.8rem; }

/* ===== Kalender-Export ===== */
.calendar-export {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.6rem;
    margin-bottom: 1.5rem;
    padding: 1rem 1.2rem;
    background: linear-gradient(160deg, var(--card) 0%, var(--bg2) 100%);
    border: 1px solid var(--border);
    border-radius: 12px;
}
.calendar-hint { color: var(--text); font-size: 0.9rem; font-weight: 600; margin-right: 0.3rem; }
.calendar-url-row { display: flex; gap: 0.5rem; flex: 1; min-width: 250px; }
.calendar-url { flex: 1; font-size: 0.85rem; margin-top: 0; }
.calendar-note { width: 100%; margin-top: 0.5rem; font-size: 0.8rem; color: var(--muted); }

/* ===== Responsive ===== */
@media (max-width: 600px) {
    .topnav { flex-wrap: wrap; gap: 0.5rem; padding: 0.7rem 1rem; }
    .topnav .brand { font-size: 1rem; }
    .topnav .nav-links { margin-left: 0; width: 100%; justify-content: space-between; }
    .topnav .nav-user { width: 100%; font-size: 0.8rem; }
    .container { padding: 1rem; }
    .card { padding: 1rem; }
    .week-grid { grid-template-columns: 1fr; }
    .day-card { min-height: auto; }
    .admin-section > summary { padding: 0.8rem 1rem; font-size: 1.05rem; }
    .admin-section > *:not(summary) { padding-left: 1rem; padding-right: 1rem; }
    .form-inline { flex-direction: column; align-items: stretch; }
    .form-inline input, .form-inline select, .form-inline .btn { width: 100%; }
    .inline-label { width: 100%; }

    /* Touch-freundliche Größen auf mobilen Geräten */
    .btn { padding: 0.75rem 1.1rem; font-size: 1rem; min-height: 44px; }
    .btn-sm { padding: 0.6rem 0.9rem; font-size: 0.9rem; min-height: 40px; }
    input, select, textarea { padding: 0.75rem 0.9rem; font-size: 1rem; min-height: 44px; }
    .nav-logout-btn { padding: 0.4rem 0.5rem; font-size: 0.95rem; }
    .my-tournament-item { flex-wrap: wrap; gap: 0.3rem; }
    .my-time { margin-left: auto; }

    /* Tabellen auf dem Handy in Karten-Layout umwandeln */
    .table, .table tbody, .table tr, .table td { display: block; width: 100%; }
    .table thead { display: none; } /* Kopfzeile ausblenden */
    .table tr {
        background: var(--bg2);
        border: 1px solid var(--border);
        border-radius: 10px;
        padding: 0.6rem;
        margin-bottom: 0.6rem;
    }
    .table td {
        display: flex;
        justify-content: space-between;
        align-items: center;
        gap: 0.5rem;
        padding: 0.4rem 0;
        border-bottom: 1px solid var(--border);
        text-align: right;
    }
    .table td:last-child { border-bottom: none; }
    /* Label vor jedem Zelleninhalt anzeigen (data-label) */
    .table td::before {
        content: attr(data-label);
        font-weight: 600;
        color: var(--muted);
        font-size: 0.8rem;
        text-align: left;
        flex-shrink: 0;
    }
    .table td:empty::before { content: ''; }
    .table td .btn, .table td form { margin-left: auto; }
    .table td form { display: flex; gap: 0.4rem; align-items: center; flex-wrap: wrap; justify-content: flex-end; }
    .table td input, .table td select { width: auto; }
    .table td .inline-label { width: auto; }
}

/* ===== Kleine Screens (sehr schmal) ===== */
@media (max-width: 380px) {
    .table td { flex-direction: column; align-items: flex-start; text-align: left; }
    .table td::before { margin-bottom: 0.2rem; }
    .table td form { justify-content: flex-start; }
}