:root {
    --bg: #0f172a;
    --bg-elevated: #16213a;
    --bg-card: #1a2540;
    --border: #263457;
    --text: #e2e8f0;
    --text-muted: #94a3b8;
    --accent: #6366f1;
    --accent-hover: #818cf8;
    --positive: #22c55e;
    --negative: #ef4444;
    --danger: #ef4444;
    --danger-hover: #f87171;
    --radius: 12px;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    font-size: 15px;
}

/* Login */
.login-body {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: radial-gradient(circle at top, #1e293b, #0f172a 60%);
}
.login-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 40px;
    width: 100%;
    max-width: 360px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}
.login-card h1 {
    margin: 0 0 24px;
    font-size: 22px;
    text-align: center;
}
.login-card label {
    display: block;
    margin-bottom: 6px;
    color: var(--text-muted);
    font-size: 13px;
}
.login-card input {
    width: 100%;
    margin-bottom: 16px;
}
.login-card button {
    width: 100%;
}

/* Layout */
.layout {
    display: flex;
    min-height: 100vh;
}
.sidebar {
    width: 220px;
    background: var(--bg-elevated);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    padding: 12px;
    flex-shrink: 0;
}
.sidebar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 8px 20px;
    margin-bottom: 8px;
    border-bottom: 1px solid var(--border);
}
.sidebar-header .brand { font-weight: 700; font-size: 16px; }
.sidebar-header .logout { color: var(--negative); text-decoration: none; font-size: 12px; font-weight: 600; }
.sidebar-header .logout:hover { color: var(--danger-hover); }
.sidebar a {
    color: var(--text-muted);
    text-decoration: none;
    padding: 10px 12px;
    border-radius: 8px;
    margin-bottom: 4px;
    font-size: 14px;
    transition: background 0.15s, color 0.15s;
}
.sidebar a:hover { background: rgba(255,255,255,0.05); color: var(--text); }
.sidebar a.active { background: var(--accent); color: white; }

.content {
    flex: 1;
    padding: 32px;
    max-width: 1200px;
}

/* Cards & stats */
.stat-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}
.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}
.stat-label { color: var(--text-muted); font-size: 13px; text-transform: uppercase; letter-spacing: 0.03em; }
.stat-value { font-size: 26px; font-weight: 700; }

.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 24px;
}

/* Tablet */
@media (max-width: 900px) {
    .grid-2 { grid-template-columns: 1fr; }
}

/* Mobile: Sidebar wird zur unteren Tab-Leiste, eigener Header oben */
@media (max-width: 640px) {
    .sidebar {
        width: 100%;
        flex-direction: row;
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        padding: 6px 4px;
        border-right: none;
        border-top: 1px solid var(--border);
        z-index: 10;
        overflow-x: auto;
    }
    .sidebar-header {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 11;
        background: var(--bg-elevated);
        padding: 12px 16px;
        margin-bottom: 0;
        border-bottom: 1px solid var(--border);
    }
    .content { margin-top: 53px; }
    .sidebar a {
        flex: 1;
        text-align: center;
        font-size: 11px;
        padding: 8px 4px;
        margin-bottom: 0;
        white-space: nowrap;
    }
    .content {
        padding: 16px;
        padding-bottom: 76px; /* Platz fuer fixe Tab-Leiste */
    }
    .stat-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
    .stat-value { font-size: 20px; }
    .card { padding: 16px; }
    .form-inline { flex-direction: column; align-items: stretch; }
    .form-inline input, .form-inline select, .form-inline button { width: 100%; }
    .card-header-row { flex-direction: column; align-items: flex-start; gap: 10px; }
}

.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 24px;
    margin-bottom: 24px;
}
.card h2 { margin-top: 0; font-size: 17px; }
.card-header-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* Tables */
.table-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
.table { width: 100%; border-collapse: collapse; margin-top: 12px; min-width: 480px; }
.table-compact th, .table-compact td { padding: 6px 8px; font-size: 12px; white-space: nowrap; }

.raw-preview { margin-top: 16px; }
.raw-preview summary {
    cursor: pointer;
    color: var(--text-muted);
    font-size: 13px;
    padding: 6px 0;
}
.raw-preview summary:hover { color: var(--text); }
.table th, .table td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--border); font-size: 14px; }
.table th { color: var(--text-muted); font-weight: 600; font-size: 12px; text-transform: uppercase; }
.text-right { text-align: right; }
.positive { color: var(--positive); }
.negative { color: var(--negative); }
.muted { color: var(--text-muted); }
.muted-row td { opacity: 0.5; }
.actions-cell { display: flex; gap: 6px; justify-content: flex-end; }

.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 999px;
    font-size: 12px;
    background: color-mix(in srgb, var(--badge-color) 20%, transparent);
    color: var(--badge-color);
    border: 1px solid color-mix(in srgb, var(--badge-color) 40%, transparent);
}
.tag-auto {
    font-size: 11px;
    color: var(--text-muted);
    border: 1px solid var(--border);
    border-radius: 999px;
    padding: 1px 8px;
    margin-left: 6px;
}
.color-dot {
    display: inline-block;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    vertical-align: middle;
}

/* Forms */
input, select, button, textarea {
    font-family: inherit;
    font-size: 14px;
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    color: var(--text);
    border-radius: 8px;
    padding: 9px 12px;
}
input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--accent);
}
.form-inline { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-top: 12px; }
.form-stack { display: flex; flex-direction: column; gap: 14px; max-width: 420px; margin-top: 12px; }
.form-stack label { display: flex; flex-direction: column; gap: 6px; color: var(--text-muted); font-size: 13px; }
.checkbox-label { flex-direction: row !important; align-items: center; gap: 8px !important; }
.inline-label { display: flex; flex-direction: column; gap: 4px; font-size: 12px; color: var(--text-muted); }

.btn {
    background: var(--accent);
    color: white;
    border: none;
    cursor: pointer;
    font-weight: 600;
    transition: background 0.15s;
}
.btn:hover { background: var(--accent-hover); }
.btn-small { padding: 5px 10px; font-size: 12px; }
.btn-danger { background: var(--danger); }
.btn-danger:hover { background: var(--danger-hover); }

.alert {
    padding: 10px 14px;
    border-radius: 8px;
    font-size: 13px;
    margin-bottom: 14px;
}
.alert-error { background: rgba(239,68,68,0.15); color: #fca5a5; border: 1px solid rgba(239,68,68,0.3); }
.alert-success { background: rgba(34,197,94,0.15); color: #86efac; border: 1px solid rgba(34,197,94,0.3); }