/* Auth-Page (Login/Register/Reset) — Anthropic-Style auf v2-Tokens */
        html[data-css="v2"] body[data-page-context="auth"] {
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: clamp(20px, 4vw, 48px);
            background: linear-gradient(135deg, #6366f1 0%, #a855f7 100%) !important;
            position: relative;
            overflow: hidden;
        }
        html[data-css="v2"] body[data-page-context="auth"]::before {
            content: "";
            position: absolute;
            inset: 0;
            pointer-events: none;
            background: none;
        }
        html[data-css="v2"] body[data-page-context="auth"] > * { position: relative; z-index: 1; }

        .login-wrapper, .register-wrapper {
            width: 100%;
            max-width: 460px;
        }

        .login-card, .register-card {
            background: var(--surface-raised) !important;
            border: 1px solid var(--border-strong) !important;
            border-radius: 24px !important;
            padding: clamp(48px, 6vw, 72px) !important;
            box-shadow: 0 24px 64px rgba(0, 0, 0, 0.22) !important;
        }

        .login-logo, .register-logo {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            margin-bottom: 28px;
        }
        .login-logo-icon {
            width: 36px;
            height: 36px;
            background: var(--accent);
            color: var(--accent-on, #fff);
            border-radius: 10px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }
        .login-logo-icon svg { width: 20px; height: 20px; stroke: currentColor; fill: none; }
        .login-logo-text {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            letter-spacing: -0.01em;
        }

        .login-header, .register-header { text-align: center; margin-bottom: 28px; }
        .login-header h1, .register-header h1 {
            font-size: clamp(24px, 3vw, 30px);
            font-weight: 700;
            line-height: 1.15;
            letter-spacing: -0.018em;
            color: var(--text);
            margin: 0 0 8px;
        }
        .login-header p, .register-header p {
            color: var(--text-muted);
            margin: 0;
            font-size: 15px;
        }

        .login-form .form-group, .register-form .form-group { margin-bottom: 16px; }
        .login-form label, .register-form label {
            display: block;
            font-size: 13px;
            font-weight: 500;
            color: var(--text);
            margin-bottom: 6px;
        }

        .input-wrapper { position: relative; }
        .input-wrapper .icon {
            position: absolute;
            left: 14px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-subtle);
            pointer-events: none;
            font-size: 14px;
        }
        .login-form input, .register-form input {
            width: 100%;
            padding: 12px 14px;
            border: 1px solid var(--border);
            border-radius: 10px;
            background: var(--surface);
            color: var(--text);
            font-family: inherit;
            font-size: 15px;
            transition: border-color 150ms ease, box-shadow 150ms ease;
            box-sizing: border-box;
        }
        .input-wrapper input {
            padding-left: 42px;
        }
        .login-form input:focus, .register-form input:focus {
            outline: none;
            border-color: var(--accent);
            box-shadow: 0 0 0 3px var(--accent-ring);
        }
        .login-form input::placeholder { color: var(--text-subtle); }

        .password-toggle {
            position: absolute;
            right: 8px;
            top: 50%;
            transform: translateY(-50%);
            background: transparent;
            border: 0;
            color: var(--text-muted);
            cursor: pointer;
            padding: 8px;
            border-radius: 6px;
        }
        .password-toggle:hover { color: var(--text); background: var(--surface-sunken); }

        .form-options {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin: 6px 0 18px;
            font-size: 13px;
        }
        .remember-me { display: inline-flex; align-items: center; gap: 8px; color: var(--text-muted); cursor: pointer; }
        .remember-me input { width: auto; accent-color: var(--accent); }
        .forgot-link { color: var(--accent); text-decoration: none; font-weight: 500; }
        .forgot-link:hover { text-decoration: underline; }

        button.btn-submit, .login-form .btn-submit {
            width: 100%;
            padding: 16px 24px !important;
            background: var(--accent) !important;
            color: var(--accent-on, #fff) !important;
            border: 1px solid var(--accent) !important;
            border-radius: 100px !important;
            font-family: inherit !important;
            font-size: 16px !important;
            font-weight: 600 !important;
            letter-spacing: 0.01em;
            cursor: pointer !important;
            transition: transform 150ms ease, box-shadow 150ms ease, background 150ms ease !important;
            box-shadow: 0 4px 14px var(--accent-ring) !important;
            text-decoration: none !important;
            display: inline-flex !important;
            align-items: center !important;
            justify-content: center !important;
        }
        button.btn-submit:hover, .login-form .btn-submit:hover {
            transform: translateY(-1px);
            background: var(--accent-hover, var(--accent)) !important;
            box-shadow: 0 6px 20px var(--accent-ring) !important;
        }
        button.btn-submit:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }

        .divider {
            display: flex;
            align-items: center;
            gap: 12px;
            margin: 22px 0;
            color: var(--text-subtle);
            font-size: 12px;
            text-transform: uppercase;
            letter-spacing: 0.06em;
        }
        .divider::before, .divider::after {
            content: "";
            flex: 1;
            height: 1px;
            background: var(--border);
        }

        button.btn-demo {
            width: 100%;
            padding: 14px 24px !important;
            background: var(--surface) !important;
            color: var(--text) !important;
            border: 1.5px solid var(--border-strong) !important;
            border-radius: 100px !important;
            font-family: inherit !important;
            font-size: 15px !important;
            font-weight: 600 !important;
            cursor: pointer !important;
            display: inline-flex !important;
            align-items: center !important;
            justify-content: center !important;
            gap: 8px !important;
            transition: border-color 150ms ease, background 150ms ease, transform 150ms ease !important;
        }
        button.btn-demo:hover {
            border-color: var(--text) !important;
            background: var(--surface-sunken) !important;
            transform: translateY(-1px);
        }

        .login-footer, .register-footer {
            text-align: center;
            margin-top: 24px;
            font-size: 13px;
            color: var(--text-muted);
        }
        .login-footer a, .register-footer a { color: var(--accent); text-decoration: none; font-weight: 500; }
        .login-footer a:hover, .register-footer a:hover { text-decoration: underline; }
        .back-home {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: 12px;
            color: var(--text-muted) !important;
            font-weight: 400 !important;
        }

        .message {
            padding: 12px 14px;
            border-radius: 10px;
            font-size: 13px;
            margin-bottom: 14px;
            display: none;
        }
        .message.show { display: block; }
        .message.error { background: var(--danger-soft); color: var(--danger); border: 1px solid color-mix(in srgb, var(--danger) 25%, transparent); }
        .message.success { background: var(--success-soft); color: var(--success); border: 1px solid color-mix(in srgb, var(--success) 25%, transparent); }

        .skip-link {
            position: absolute;
            left: -9999px;
            top: auto;
        }
        .skip-link:focus {
            position: fixed;
            left: 16px;
            top: 16px;
            padding: 10px 16px;
            background: var(--text);
            color: var(--bg);
            border-radius: 100px;
            z-index: 9999;
        }

        /* Hintergrund-Shapes vom alten Design ausblenden */
        .login-wrapper ~ .shapes,
        body[data-page-context="auth"] .floating-shape,
        body[data-page-context="auth"] [class*="aurora"] { display: none !important; }

        /* Network-Badge (top-right) + Offline-Banner per default versteckt */
        .network-badge {
            position: fixed;
            top: 16px;
            right: 16px;
            z-index: 10;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 12px;
            background: var(--surface-raised);
            border: 1px solid var(--border);
            border-radius: 100px;
            font-size: 12px;
            color: var(--text-muted);
        }
        .network-badge .dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--success);
        }
        .network-badge.offline .dot { background: var(--danger); }
        .offline-banner {
            display: none;
            margin: 0 0 14px;
            padding: 12px 14px;
            background: var(--warning-soft);
            color: var(--warning);
            border: 1px solid color-mix(in srgb, var(--warning) 25%, transparent);
            border-radius: 10px;
            font-size: 13px;
            text-align: center;
        }
        .offline-banner.show { display: block; }

        /* Footer + Back-Link: weiß auf Gradient-Hintergrund */
        html[data-css="v2"] body[data-page-context="auth"] .login-footer,
        html[data-css="v2"] body[data-page-context="auth"] .register-footer {
            color: rgba(255, 255, 255, 0.8);
        }
        html[data-css="v2"] body[data-page-context="auth"] .login-footer a,
        html[data-css="v2"] body[data-page-context="auth"] .register-footer a {
            color: #ffffff;
        }
        html[data-css="v2"] body[data-page-context="auth"] .back-home {
            color: rgba(255, 255, 255, 0.75) !important;
        }

        /* Network-Badge auf Gradient */
        html[data-css="v2"] body[data-page-context="auth"] .network-badge {
            background: rgba(255, 255, 255, 0.15);
            border-color: rgba(255, 255, 255, 0.25);
            color: rgba(255, 255, 255, 0.85);
        }

        /* Dark Mode: leicht dunklerer Gradient */
        html[data-css="v2"][data-theme="dark"] body[data-page-context="auth"] {
            background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%) !important;
        }