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

:root {
    --bg:        #0d1117;
    --surface:   #161b22;
    --surface2:  #1c2128;
    --border:    #30363d;
    --text:      #e6edf3;
    --muted:     #8b949e;
    --accent:    #238636;
    --accent-hv: #2ea043;
    --danger:    #da3633;
    --warn:      #d29922;
    --info:      #388bfd;
    --live:      #ff3b3b;
    --radius:    6px;
}

html, body {
    background: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 15px;
    line-height: 1.6;
    min-height: 100vh;
}

/* ── Navigation ── */
.topnav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.5rem;
    height: 56px;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
}

.nav-brand {
    font-weight: 700;
    font-size: 1rem;
    color: var(--text);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.nav-links a {
    color: var(--muted);
    text-decoration: none;
    padding: 0.35rem 0.75rem;
    border-radius: var(--radius);
    font-size: 0.875rem;
    transition: background 0.15s, color 0.15s;
}
.nav-links a:hover,
.nav-links a.active { background: var(--surface2); color: var(--text); }
.nav-links a.logout  { color: var(--danger); }
.nav-links a.logout:hover { background: rgba(218,54,51,0.12); }

/* ── Main Content ── */
.admin-main {
    max-width: 900px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
}

.page-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border);
}

/* ── Flash Messages ── */
.flash {
    padding: 0.85rem 1rem;
    border-radius: var(--radius);
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
    border: 1px solid transparent;
}
.flash-success { background: rgba(35,134,54,0.15); border-color: rgba(35,134,54,0.4); color: #3fb950; }
.flash-error   { background: rgba(218,54,51,0.15); border-color: rgba(218,54,51,0.4); color: #f85149; }
.flash-warn    { background: rgba(210,153,34,0.15); border-color: rgba(210,153,34,0.4); color: #d29922; }

/* ── Cards ── */
.card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}
.card-title   { font-size: 1rem; font-weight: 600; margin-bottom: 1rem; }
.card-detail  { font-size: 0.875rem; color: var(--muted); margin-top: 0.75rem; }
.card-desc    { color: var(--muted); font-size: 0.9rem; margin-bottom: 1.25rem; }
.card-hint    { font-size: 0.8rem; color: var(--muted); margin-top: 0.5rem; }
.card-grid    { display: grid; gap: 1rem; }

@media (min-width: 700px) {
    .card-grid { grid-template-columns: 1fr 1fr; }
    .card-grid .card:last-child { grid-column: 1 / -1; }
}

/* ── Status Badges ── */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.4rem 0.8rem;
    border-radius: var(--radius);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}
.status-live    { background: rgba(255,59,59,0.12); color: var(--live); border: 1px solid rgba(255,59,59,0.3); }
.status-offline { background: var(--surface2); color: var(--muted); border: 1px solid var(--border); }
.status-error   { background: rgba(218,54,51,0.12); color: #f85149; border: 1px solid rgba(218,54,51,0.3); }

.recording-status {
    padding: 1rem;
    border-radius: var(--radius);
    margin-bottom: 1.25rem;
}

/* ── Forms ── */
.form-group {
    margin-bottom: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}
.form-group label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text);
}
.form-group label small { color: var(--muted); font-weight: 400; }

input[type="text"],
input[type="password"],
input[type="date"],
input[type="time"],
input[type="email"],
textarea {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    padding: 0.5rem 0.75rem;
    font-size: 0.9rem;
    width: 100%;
    transition: border-color 0.15s;
}
input:focus, textarea:focus {
    outline: none;
    border-color: var(--info);
    box-shadow: 0 0 0 3px rgba(56,139,253,0.12);
}
textarea { resize: vertical; min-height: 100px; }

.form-row {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    align-items: flex-end;
}
.form-group-grow { flex: 1; min-width: 200px; }

.field-hint { font-size: 0.8rem; color: var(--muted); margin-top: 0.25rem; }
.field-hint code { background: var(--surface2); padding: 0.1rem 0.3rem; border-radius: 3px; font-size: 0.8rem; }

/* ── Buttons ── */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 1rem;
    border-radius: var(--radius);
    border: 1px solid transparent;
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    transition: background 0.15s, opacity 0.15s;
}
.btn-primary   { background: var(--accent);  border-color: var(--accent);  color: #fff; }
.btn-primary:hover   { background: var(--accent-hv); }
.btn-secondary { background: var(--surface2); border-color: var(--border); color: var(--text); }
.btn-secondary:hover { background: var(--border); }
.btn-danger    { background: rgba(218,54,51,0.15); border-color: var(--danger); color: #f85149; }
.btn-danger:hover    { background: rgba(218,54,51,0.25); }
.btn-full  { width: 100%; justify-content: center; padding: 0.65rem 1rem; }
.btn-sm    { padding: 0.25rem 0.6rem; font-size: 0.8rem; }

.quick-links   { display: flex; flex-wrap: wrap; gap: 0.5rem; }
.toggle-form   { margin-top: 1.25rem; }

/* ── Tables ── */
.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.875rem;
}
.data-table th,
.data-table td {
    padding: 0.6rem 0.75rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
}
.data-table th { color: var(--muted); font-weight: 600; font-size: 0.8rem; text-transform: uppercase; }
.data-table tr:last-child td { border-bottom: none; }
.row-past td { opacity: 0.5; }

.info-table { width: 100%; border-collapse: collapse; font-size: 0.875rem; }
.info-table td { padding: 0.4rem 0; }
.info-table td:first-child { color: var(--muted); width: 100px; }
.info-table code { background: var(--surface2); padding: 0.15rem 0.4rem; border-radius: 4px; font-size: 0.8rem; word-break: break-all; }

.badge { display: inline-block; padding: 0.15rem 0.5rem; border-radius: 4px; font-size: 0.75rem; font-weight: 600; }
.badge-active { background: rgba(35,134,54,0.15); color: #3fb950; }
.badge-muted  { background: var(--surface2); color: var(--muted); }

.empty-state { color: var(--muted); font-size: 0.9rem; padding: 1rem 0; }

/* ── Info Box ── */
.info-box {
    background: rgba(56,139,253,0.08);
    border: 1px solid rgba(56,139,253,0.25);
    border-radius: var(--radius);
    padding: 0.85rem 1rem;
    font-size: 0.875rem;
    color: var(--muted);
    margin-top: 1.25rem;
}
.info-box strong { color: var(--text); }
.info-box code { background: var(--surface2); padding: 0.1rem 0.3rem; border-radius: 3px; }

/* ── Login Page ── */
body.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
}
.login-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2.5rem 2rem;
    width: 100%;
    max-width: 380px;
}
.login-title {
    font-size: 1.5rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 0.25rem;
}
.login-sub    { text-align: center; color: var(--muted); font-size: 0.875rem; margin-bottom: 1.75rem; }
.alert        { padding: 0.75rem 1rem; border-radius: var(--radius); margin-bottom: 1rem; font-size: 0.875rem; }
.alert-error  { background: rgba(218,54,51,0.15); border: 1px solid rgba(218,54,51,0.4); color: #f85149; }
.alert-warn   { background: rgba(210,153,34,0.15); border: 1px solid rgba(210,153,34,0.4); color: #d29922; }

/* ── Footer ── */
.admin-footer {
    text-align: center;
    padding: 1.5rem;
    color: var(--muted);
    font-size: 0.8rem;
    border-top: 1px solid var(--border);
    margin-top: 2rem;
}

@media (max-width: 600px) {
    .topnav   { padding: 0 1rem; }
    .nav-links a { padding: 0.3rem 0.5rem; font-size: 0.8rem; }
    .admin-main { padding: 1.5rem 1rem; }
}

/* Live-Statistiken */
.stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--border);
}

.stat-item {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
}

.stat-label {
    font-size: 0.7rem;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.stat-value {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--highlight);
    font-variant-numeric: tabular-nums;
}