:root {
    --bg: #0f172a;
    --bg-card: #020617;
    --accent: #38bdf8;
    --accent-soft: rgba(56, 189, 248, 0.12);
    --text: #e5e7eb;
    --text-muted: #9ca3af;
    --border: #1f2937;
    --radius-xl: 18px;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    background: linear-gradient(180deg, #0f172a, #020617);
    color: var(--text);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
}

.page {
    width: 100%;
    max-width: 640px;
}

.card {
    background: linear-gradient(145deg, var(--bg-card), #020617);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border);
    box-shadow: 
        0 24px 60px rgba(15, 23, 42, 0.85),
        0 0 0 1px rgba(148, 163, 184, 0.06);
    padding: 24px 20px;
}

@media (min-width: 768px) {
    .card {
        padding: 32px 28px;
    }
}

h1 {
    font-size: clamp(1.6rem, 2.2vw + 1rem, 2.1rem);
    margin: 0 0 8px;
    letter-spacing: 0.02em;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 4px 10px;
    border-radius: 999px;
    border: 1px solid rgba(148, 163, 184, 0.4);
    background: radial-gradient(circle at top left, var(--accent-soft), transparent);
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.badge-dot {
    width: 7px;
    height: 7px;
    border-radius: 999px;
    background: var(--accent);
    box-shadow: 0 0 0 4px rgba(56, 189, 248, 0.2);
}

p.lead {
    margin: 0 0 20px;
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--text-muted);
}

p.lead strong {
    color: var(--accent);
    font-weight: 600;
}

h2 {
    font-size: 1rem;
    margin: 0 0 14px;
    color: #e5e7eb;
}

.actions {
    display: grid;
    gap: 10px;
}

@media (min-width: 600px) {
    .actions {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }
}

.action-link {
    display: block;
    text-decoration: none;
    border-radius: 999px;
    padding: 11px 14px;
    text-align: center;
    font-size: 0.9rem;
    font-weight: 500;
    border: 1px solid rgba(148, 163, 184, 0.35);
    background: radial-gradient(circle at top, rgba(15, 118, 110, 0.05), transparent);
    color: var(--text);
    transition:
        transform 0.12s ease-out,
        box-shadow 0.12s ease-out,
        border-color 0.12s ease-out,
        background 0.12s ease-out;
}

.action-link.primary {
    border-color: rgba(56, 189, 248, 0.7);
    background:
        radial-gradient(circle at top, rgba(56, 189, 248, 0.22), transparent),
        linear-gradient(135deg, #0ea5e9, #22c55e);
    color: #0b1120;
    box-shadow: 0 10px 25px rgba(56, 189, 248, 0.45);
}

.action-link:hover,
.action-link:focus-visible {
    transform: translateY(-1px) translateZ(0);
    box-shadow: 0 14px 30px rgba(15, 23, 42, 0.9);
    border-color: rgba(248, 250, 252, 0.65);
    outline: none;
}

.action-link.primary:hover,
.action-link.primary:focus-visible {
    box-shadow: 0 18px 40px rgba(56, 189, 248, 0.65);
}

.hint {
    margin-top: 16px;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.hint code {
    background: rgba(15, 23, 42, 0.9);
    border-radius: 999px;
    padding: 2px 6px;
    font-size: 0.78rem;
    border: 1px solid rgba(148, 163, 184, 0.4);
}

/* --- Formulare & Buttons (wiederverwendbar) --- */

.form {
    margin-top: 18px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.form-group label {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.input {
    width: 100%;
    border-radius: 999px;
    border: 1px solid var(--border);
    background: rgba(15, 23, 42, 0.92);
    padding: 10px 14px;
    font-size: 0.9rem;
    color: var(--text);
    outline: none;
    transition:
        border-color 0.12s ease-out,
        box-shadow 0.12s ease-out,
        background 0.12s ease-out;
}

.input::placeholder {
    color: rgba(148, 163, 184, 0.7);
}

.input:focus-visible {
    border-color: var(--accent);
    box-shadow: 0 0 0 1px rgba(56, 189, 248, 0.4);
    background: rgba(15, 23, 42, 0.98);
}

/* Buttons – passen optisch zu .action-link */

.btn {
    appearance: none;
    border-radius: 999px;
    padding: 11px 16px;
    font-size: 0.9rem;
    font-weight: 500;
    border: 1px solid rgba(148, 163, 184, 0.35);
    background: radial-gradient(circle at top, rgba(15, 118, 110, 0.05), transparent);
    color: var(--text);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    transition:
        transform 0.12s ease-out,
        box-shadow 0.12s ease-out,
        border-color 0.12s ease-out,
        background 0.12s ease-out;
}

.btn.primary {
    border-color: rgba(56, 189, 248, 0.7);
    background:
        radial-gradient(circle at top, rgba(56, 189, 248, 0.22), transparent),
        linear-gradient(135deg, #0ea5e9, #22c55e);
    color: #0b1120;
    box-shadow: 0 10px 25px rgba(56, 189, 248, 0.45);
}

.btn:hover,
.btn:focus-visible {
    transform: translateY(-1px);
    box-shadow: 0 14px 30px rgba(15, 23, 42, 0.9);
    border-color: rgba(248, 250, 252, 0.65);
    outline: none;
}

.btn.primary:hover,
.btn.primary:focus-visible {
    box-shadow: 0 18px 40px rgba(56, 189, 248, 0.65);
}

/* Kleiner Footer im Formular */

.form-footer {
    margin: 4px 2px 0;
    font-size: 0.8rem;
    text-align: left;
}

.link-muted {
    color: var(--text-muted);
    text-decoration: none;
    border-bottom: 1px dashed rgba(148, 163, 184, 0.6);
}

.link-muted:hover {
    color: var(--accent);
    border-bottom-style: solid;
}

/* Log-Ausgabe */

.log-box {
    margin-top: 18px;
    padding: 10px 12px;
    border-radius: 14px;
    border: 1px dashed rgba(148, 163, 184, 0.5);
    background: rgba(15, 23, 42, 0.96);
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
    font-size: 0.78rem;
    color: var(--text-muted);
    white-space: pre-wrap;
    max-height: 230px;
    overflow: auto;
}

/* --- Methoden-Umschalter für die Wiederherstellung --- */

.method-toggle {
    display: inline-flex;
    padding: 3px;
    border-radius: 999px;
    background: rgba(15, 23, 42, 0.95);
    border: 1px solid rgba(148, 163, 184, 0.4);
    margin: 18px 0 14px;
    gap: 4px;
}

.method-toggle-btn {
    flex: 1;
    border: none;
    background: transparent;
    color: var(--text-muted);
    font-size: 0.8rem;
    padding: 7px 10px;
    border-radius: 999px;
    cursor: pointer;
    transition:
        background 0.12s ease-out,
        color 0.12s ease-out,
        box-shadow 0.12s ease-out,
        transform 0.12s ease-out;
}

.method-toggle-btn.active {
    background: radial-gradient(circle at top, rgba(56, 189, 248, 0.2), transparent);
    color: var(--text);
    box-shadow: 0 0 0 1px rgba(56, 189, 248, 0.5);
    transform: translateY(-0.5px);
}

/* --- Karten für die beiden Methoden --- */

.method-grid {
    display: grid;
    gap: 14px;
    margin-top: 6px;
}

@media (min-width: 720px) {
    .method-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

.method-card {
    border-radius: 16px;
    border: 1px solid rgba(31, 41, 55, 1);
    padding: 14px 14px 16px;
    background: radial-gradient(circle at top left, rgba(15, 23, 42, 0.8), rgba(15, 23, 42, 1));
    transition:
        border-color 0.15s ease-out,
        background 0.15s ease-out,
        box-shadow 0.15s ease-out,
        opacity 0.15s ease-out,
        transform 0.15s ease-out;
}

.method-card h2 {
    font-size: 0.95rem;
    margin: 0 0 6px;
}

.method-card--active {
    border-color: rgba(56, 189, 248, 0.7);
    box-shadow: 0 16px 35px rgba(15, 23, 42, 0.9);
    background:
        radial-gradient(circle at top left, rgba(56, 189, 248, 0.16), transparent),
        radial-gradient(circle at bottom right, rgba(34, 197, 94, 0.12), transparent),
        rgba(15, 23, 42, 0.98);
    opacity: 1;
}

.method-card--inactive {
    opacity: 0.45;
    filter: grayscale(0.2);
}

.method-card--inactive .btn,
.method-card--inactive .input {
    cursor: not-allowed;
}

/* Für deaktivierte Inputs/Buttons in inaktiven Karten etwas Stil beibehalten */
.method-card--inactive input:disabled,
.method-card--inactive button:disabled {
    opacity: 0.8;
}

/* --- Erfolgsbereich nach Registrierung (Backup-Codes) --- */

.backup-summary {
    margin-top: 20px;
    padding: 18px 18px 20px;
    border-radius: 20px;
    border: 1px solid rgba(56, 189, 248, 0.7);
    background:
        radial-gradient(circle at top left, rgba(56, 189, 248, 0.18), transparent),
        radial-gradient(circle at bottom right, rgba(34, 197, 94, 0.16), transparent),
        rgba(15, 23, 42, 0.98);
    box-shadow: 0 20px 40px rgba(15, 23, 42, 0.95);
}

.backup-summary h2 {
    margin: 0 0 6px;
    font-size: 1.05rem;
}

.backup-summary h3 {
    margin: 12px 0 6px;
    font-size: 0.95rem;
}

.backup-summary p {
    font-size: 0.86rem;
    line-height: 1.6;
}

.backup-summary-content {
    display: grid;
    gap: 14px;
    margin-top: 6px;
}

@media (min-width: 720px) {
    .backup-summary-content {
        grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
        align-items: flex-start;
    }
}

.backup-codes-grid {
    list-style: none;
    margin: 8px 0 10px;
    padding: 0;
    display: grid;
    gap: 8px;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
}

.backup-code-pill {
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
    font-size: 0.9rem;
    padding: 8px 10px;
    border-radius: 999px;
    border: 1px solid rgba(148, 163, 184, 0.8);
    background: rgba(15, 23, 42, 0.95);
    text-align: center;
    letter-spacing: 0.08em;
}

.backup-hint {
    font-size: 0.78rem;
    color: var(--text-muted);
}

.backup-summary-actions {
    display: flex;
    flex-direction: column;
    gap: 10px;
    align-items: stretch;
}

.backup-summary-actions .btn {
    width: 100%;
    justify-content: center;
}

/* --- Allgemeine Sektionen auf der Konto-Seite --- */

.section-card {
    margin-top: 18px;
    padding: 14px 14px 16px;
    border-radius: 16px;
    border: 1px solid rgba(31, 41, 55, 1);
    background: radial-gradient(circle at top left, rgba(15, 23, 42, 0.85), rgba(15, 23, 42, 1));
}

.section-card h2 {
    font-size: 0.95rem;
    margin: 0 0 8px;
}

.section-card h3 {
    font-size: 0.9rem;
    margin: 10px 0 6px;
}

.section-actions {
    margin-top: 12px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

/* Grid für technische Sektionen */

.section-grid {
    display: grid;
    gap: 14px;
    margin-top: 18px;
}

@media (min-width: 800px) {
    .section-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

/* Datenlisten im „label : value“-Stil */

.data-list {
    list-style: none;
    margin: 4px 0 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-size: 0.85rem;
}

.data-list.compact {
    font-size: 0.8rem;
}

.data-list li {
    display: flex;
    justify-content: space-between;
    gap: 10px;
}

.data-label {
    color: var(--text-muted);
    flex: 0 0 45%;
}

.data-value {
    text-align: right;
    word-break: break-word;
}

/* Tabelle für Passkeys */

.table-wrapper {
    margin-top: 10px;
    overflow-x: auto;
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.8rem;
}

.data-table thead {
    background: rgba(15, 23, 42, 0.9);
}

.data-table th,
.data-table td {
    padding: 6px 8px;
    border-bottom: 1px solid rgba(31, 41, 55, 1);
    text-align: left;
}

.data-table th {
    font-weight: 600;
    color: var(--text-muted);
}

/* Client-Info-Liste */

.client-info-list {
    list-style: none;
    margin: 8px 0 10px;
    padding: 0;
    max-height: 180px;
    overflow: auto;
    font-size: 0.78rem;
    border-radius: 10px;
    border: 1px dashed rgba(148, 163, 184, 0.4);
    padding: 8px 10px;
    background: rgba(15, 23, 42, 0.95);
}

/* Sonstige Links */

.section-links {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 6px;
}

/* Flash-Messages (Erfolg/Fehler) */

.flash {
    margin: 10px 0 12px;
    padding: 8px 10px;
    border-radius: 10px;
    font-size: 0.85rem;
    border: 1px solid rgba(148, 163, 184, 0.5);
    background: rgba(15, 23, 42, 0.95);
}

.flash.success {
    border-color: rgba(34, 197, 94, 0.8);
    background:
        radial-gradient(circle at top left, rgba(34, 197, 94, 0.18), transparent),
        rgba(15, 23, 42, 0.98);
}

.flash.error {
    border-color: rgba(239, 68, 68, 0.85);
    background:
        radial-gradient(circle at top left, rgba(239, 68, 68, 0.20), transparent),
        rgba(15, 23, 42, 0.98);
}

/* Danger-Variante für Buttons */

.btn.danger {
    border-color: rgba(239, 68, 68, 0.8);
    background:
        radial-gradient(circle at top, rgba(239, 68, 68, 0.18), transparent),
        linear-gradient(135deg, #ef4444, #b91c1c);
    color: #f9fafb;
    box-shadow: 0 8px 20px rgba(239, 68, 68, 0.45);
}

.btn.danger:hover,
.btn.danger:focus-visible {
    box-shadow: 0 14px 30px rgba(239, 68, 68, 0.7);
}

/* Klein: Form im Tabellenfeld */

.inline-form {
    display: inline-block;
    margin: 0;
}
.inline-form .btn {
    font-size: 0.75rem;
    padding: 6px 10px;
}

/* Datenlisten: auf Handy nicht quetschen */

.data-list {
    list-style: none;
    margin: 4px 0 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-size: 0.85rem;
}

.data-list.compact {
    font-size: 0.8rem;
}

.data-list li {
    display: flex;
    justify-content: space-between;
    gap: 10px;
}

.data-label {
    color: var(--text-muted);
    flex: 0 0 45%;
}

.data-value {
    text-align: right;
    word-break: break-word;
}

/* Auf kleinen Bildschirmen Label über Value stacken */
@media (max-width: 640px) {
    .data-list li {
        flex-direction: column;
        align-items: flex-start;
    }
    .data-value {
        text-align: left;
    }
}

/* Client-Info-Details (ausklappbar) */

.advanced-toggle {
    margin-top: 10px;
    font-size: 0.8rem;
}

.advanced-toggle > summary {
    cursor: pointer;
    list-style: none;
    user-select: none;
    padding: 6px 8px;
    border-radius: 999px;
    border: 1px solid rgba(148, 163, 184, 0.5);
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.advanced-toggle > summary::marker {
    display: none;
}

.advanced-toggle[open] > summary {
    border-color: var(--accent);
}

/* Technische Detail-Liste */

.client-info-list {
    list-style: none;
    margin: 8px 0 0;
    padding: 8px 10px;
    border-radius: 10px;
    border: 1px dashed rgba(148, 163, 184, 0.4);
    background: rgba(15, 23, 42, 0.95);
    font-size: 0.78rem;
    /* kein max-height mehr -> alles ist lesbar */
}

.client-info-list li + li {
    margin-top: 4px;
}