/* AMTS-Dokumenten-Tool – Design */
:root {
    --blau: #2563eb;
    --blau-dunkel: #1d4ed8;
    --blau-hell: #eff6ff;
    --rot: #dc2626;
    --gruen: #16a34a;
    --grau-50: #f8fafc;
    --grau-100: #f1f5f9;
    --grau-200: #e2e8f0;
    --grau-400: #94a3b8;
    --grau-600: #475569;
    --grau-900: #0f172a;
    --radius: 10px;
    --schatten: 0 1px 3px rgba(15, 23, 42, .08), 0 4px 14px rgba(15, 23, 42, .06);
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: "Segoe UI", system-ui, -apple-system, Roboto, Arial, sans-serif;
    background: var(--grau-100);
    color: var(--grau-900);
    font-size: 15px;
}

/* Kopfzeile */
.topbar {
    background: #fff;
    border-bottom: 1px solid var(--grau-200);
    position: sticky;
    top: 0;
    z-index: 50;
}
.topbar-inner {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    gap: 24px;
    height: 56px;
}
.brand { font-weight: 700; white-space: nowrap; }
.topbar nav { display: flex; gap: 4px; flex: 1; }
.topbar nav a {
    padding: 8px 14px;
    border-radius: 8px;
    text-decoration: none;
    color: var(--grau-600);
    white-space: nowrap;
}
.topbar nav a:hover { background: var(--grau-100); }
.topbar nav a.aktiv { background: var(--blau-hell); color: var(--blau-dunkel); font-weight: 600; }
.topbar .logout { color: var(--grau-400); text-decoration: none; font-size: 13px; }
.topbar .logout:hover { color: var(--rot); }

.container { max-width: 1400px; margin: 24px auto; padding: 0 20px; }

/* Karten */
.card {
    background: #fff;
    border: 1px solid var(--grau-200);
    border-radius: var(--radius);
    box-shadow: var(--schatten);
    padding: 20px;
    margin-bottom: 20px;
}
.card h2 { margin: 0 0 14px; font-size: 17px; }
.card h3 { margin: 16px 0 8px; font-size: 14px; color: var(--grau-600); text-transform: uppercase; letter-spacing: .04em; }

/* Formulare */
input[type=text], input[type=password], input[type=file], select, textarea {
    width: 100%;
    padding: 9px 12px;
    border: 1px solid var(--grau-200);
    border-radius: 8px;
    font: inherit;
    background: #fff;
}
input:focus, select:focus, textarea:focus {
    outline: 2px solid var(--blau);
    outline-offset: -1px;
    border-color: var(--blau);
}
textarea { resize: vertical; min-height: 110px; }
label { display: block; font-weight: 600; font-size: 13px; margin: 10px 0 4px; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 18px; }
.form-grid .voll { grid-column: 1 / -1; }
.inline { display: flex; gap: 10px; align-items: center; }
.check { display: flex; gap: 8px; align-items: center; font-weight: 400; margin: 8px 0; cursor: pointer; }
.check input { width: auto; }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 9px 16px;
    border: 1px solid var(--grau-200);
    border-radius: 8px;
    background: #fff;
    color: var(--grau-900);
    font: inherit;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
}
.btn:hover { background: var(--grau-50); }
.btn-primary { background: var(--blau); border-color: var(--blau); color: #fff; }
.btn-primary:hover { background: var(--blau-dunkel); }
.btn-danger { color: var(--rot); }
.btn-danger:hover { background: #fef2f2; border-color: var(--rot); }
.btn-sm { padding: 5px 10px; font-size: 13px; }
.btn-block { width: 100%; justify-content: center; margin-top: 12px; }
.btn-gross { font-size: 16px; padding: 13px 26px; }

/* Baustein-Liste */
.baustein-liste { display: flex; flex-direction: column; gap: 6px; min-height: 60px; }
.baustein-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 12px;
    border: 1px solid var(--grau-200);
    border-radius: 8px;
    background: var(--grau-50);
    cursor: pointer;
}
.baustein-item.ausgewaehlt { border-color: var(--blau); background: var(--blau-hell); }
.baustein-item .kat-badge { flex-shrink: 0; }
.baustein-item .titel { flex: 1; font-weight: 600; }
.kat-badge {
    font-size: 11px;
    font-weight: 700;
    padding: 3px 8px;
    border-radius: 999px;
    background: var(--grau-200);
    color: var(--grau-600);
    white-space: nowrap;
}
.kat-0 { background: #dbeafe; color: #1e40af; }
.kat-1 { background: #ffedd5; color: #9a3412; }
.kat-2 { background: #fee2e2; color: #991b1b; }
.kat-3 { background: #dcfce7; color: #166534; }

/* zweispaltiges Layout (Dokument-Seite) */
.layout { display: grid; grid-template-columns: 1fr 320px; gap: 20px; align-items: start; }
@media (max-width: 1000px) { .layout { grid-template-columns: 1fr; } }

/* Platzhalter-Panel */
.ph-panel { position: sticky; top: 76px; }
.ph-feld { background: var(--grau-50); border: 1px solid var(--grau-200); border-radius: 8px; padding: 10px 12px; margin-bottom: 10px; }
.ph-feld label { margin-top: 0; }

/* Modal */
.modal-hintergrund {
    position: fixed; inset: 0;
    background: rgba(15, 23, 42, .45);
    display: flex; align-items: center; justify-content: center;
    z-index: 100; padding: 20px;
}
.modal {
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0,0,0,.25);
    width: 100%; max-width: 860px;
    max-height: 90vh;
    display: flex; flex-direction: column;
}
.modal-kopf { display: flex; justify-content: space-between; align-items: center; padding: 16px 20px; border-bottom: 1px solid var(--grau-200); }
.modal-kopf h2 { margin: 0; font-size: 16px; }
.modal-inhalt { padding: 20px; overflow-y: auto; }
.modal-fuss { padding: 14px 20px; border-top: 1px solid var(--grau-200); display: flex; justify-content: flex-end; gap: 10px; }
.modal-schliessen { background: none; border: none; font-size: 22px; cursor: pointer; color: var(--grau-400); }

/* Tabs */
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--grau-200); margin-bottom: 14px; flex-wrap: wrap; }
.tab {
    padding: 8px 14px;
    border: none; background: none;
    font: inherit; font-weight: 600;
    color: var(--grau-600);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
}
.tab.aktiv { color: var(--blau-dunkel); border-bottom-color: var(--blau); }

/* Pool-Einträge */
.pool-eintrag {
    border: 1px solid var(--grau-200);
    border-radius: 8px;
    padding: 12px 14px;
    margin-bottom: 8px;
    background: #fff;
}
.pool-eintrag .kopf { display: flex; align-items: center; gap: 10px; }
.pool-eintrag .kopf .titel { flex: 1; font-weight: 600; }
.pool-eintrag .vorschau { color: var(--grau-600); font-size: 13px; margin-top: 6px; white-space: pre-wrap; }
.pool-eintrag mark { background: #fde68a; padding: 0 1px; border-radius: 2px; }

/* Tabellen */
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--grau-200); vertical-align: top; }
th { font-size: 12px; text-transform: uppercase; letter-spacing: .04em; color: var(--grau-600); }

/* Meldungen */
.alert { padding: 12px 14px; border-radius: 8px; margin-bottom: 14px; }
.alert-error { background: #fef2f2; color: #991b1b; border: 1px solid #fecaca; }
.alert-success { background: #f0fdf4; color: #166534; border: 1px solid #bbf7d0; }
.muted { color: var(--grau-400); }
.hinweis { font-size: 13px; color: var(--grau-600); background: var(--grau-50); border-radius: 8px; padding: 10px 12px; margin-top: 10px; }

.toast {
    position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%);
    background: var(--grau-900); color: #fff;
    padding: 12px 22px; border-radius: 999px;
    box-shadow: var(--schatten);
    z-index: 200; font-weight: 600;
}
.toast.fehler { background: var(--rot); }

/* Login */
.login-body { display: flex; align-items: center; justify-content: center; min-height: 100vh; }
.login-box { width: 100%; max-width: 380px; text-align: center; }
.login-box h1 { font-size: 20px; }
.login-box input { margin-bottom: 4px; }

/* Radiogruppen */
.radio-gruppe { display: flex; flex-direction: column; gap: 6px; }
.radio-gruppe label { display: flex; gap: 8px; align-items: center; font-weight: 400; margin: 0; cursor: pointer; }
.radio-gruppe input { width: auto; }
.pdl-spalten { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
@media (max-width: 700px) { .pdl-spalten { grid-template-columns: 1fr; } .form-grid { grid-template-columns: 1fr; } }

.aktionen { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 10px; }
.export-ergebnis a { display: inline-flex; margin: 4px 6px 0 0; }