:root {
    --app-bg: #f3f6f8;
    --surface: #ffffff;
    --surface-soft: #f7f9fa;
    --text: #172126;
    --muted: #66757d;
    --border: #dce4e7;
    --brand: #0d765f;
    --brand-dark: #075b49;
    --brand-soft: #e5f4ef;
    --warning: #a36308;
    --warning-soft: #fff3d6;
    --danger: #b23939;
    --danger-soft: #fdeaea;
    --success: #187652;
    --success-soft: #e5f5ed;
    --shadow: 0 12px 32px rgba(21, 46, 56, .07);
    --radius: 16px;
}

[data-bs-theme="dark"] {
    --app-bg: #101719;
    --surface: #182225;
    --surface-soft: #202d31;
    --text: #edf4f2;
    --muted: #9dafb3;
    --border: #304044;
    --brand: #51c6a5;
    --brand-dark: #72d9bc;
    --brand-soft: #173c34;
    --warning: #f0b85d;
    --warning-soft: #493616;
    --danger: #ff8f8f;
    --danger-soft: #4a2528;
    --success: #68d6a8;
    --success-soft: #193e31;
    --shadow: 0 14px 34px rgba(0, 0, 0, .22);
    color-scheme: dark;
}

* { box-sizing: border-box; }

body {
    min-height: 100vh;
    margin: 0;
    color: var(--text);
    background:
        radial-gradient(circle at 90% -10%, rgba(34, 154, 122, .12), transparent 28rem),
        var(--app-bg);
    font-family: Inter, "Segoe UI", system-ui, -apple-system, sans-serif;
}

.container { max-width: 1480px; }
.hidden { display: none !important; }

.app-header {
    position: sticky;
    top: 0;
    z-index: 1020;
    border-bottom: 1px solid var(--border);
    background: color-mix(in srgb, var(--surface) 92%, transparent);
    backdrop-filter: blur(16px);
}

.app-header-inner {
    min-height: 78px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.brand-lockup { display: flex; align-items: center; gap: 15px; }
.brand-logo { width: 54px; height: 42px; object-fit: contain; }
.brand-lockup h1 { margin: 2px 0 0; font-size: 1.12rem; letter-spacing: -.02em; }
.eyebrow { display: block; color: var(--brand); font-size: .71rem; font-weight: 800; letter-spacing: .11em; text-transform: uppercase; }

.header-actions { display: flex; gap: 10px; }
.icon-button {
    width: 42px;
    height: 42px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--text);
    border: 1px solid var(--border);
    border-radius: 12px;
    background: var(--surface);
    text-decoration: none;
    transition: transform .15s ease, border-color .15s ease, background .15s ease;
}
.icon-button:hover { transform: translateY(-1px); border-color: var(--brand); background: var(--brand-soft); color: var(--brand-dark); }
.icon-button.danger:hover { border-color: var(--danger); background: var(--danger-soft); color: var(--danger); }

.app-main { padding-top: 38px; padding-bottom: 60px; }
.page-intro { display: flex; justify-content: space-between; align-items: flex-end; gap: 24px; margin-bottom: 25px; }
.page-intro h2 { margin: 7px 0 7px; font-size: clamp(1.75rem, 3vw, 2.55rem); letter-spacing: -.04em; }
.page-intro p { margin: 0; color: var(--muted); font-size: 1.02rem; }

.sync-state { min-width: 250px; display: flex; align-items: center; gap: 12px; padding: 12px 15px; border: 1px solid var(--border); border-radius: 13px; background: var(--surface); }
.sync-state small, .sync-state strong { display: block; }
.sync-state small { color: var(--muted); font-size: .72rem; }
.sync-state strong { margin-top: 1px; font-size: .85rem; }
.sync-dot { width: 10px; height: 10px; flex: 0 0 auto; border-radius: 50%; background: var(--danger); box-shadow: 0 0 0 5px var(--danger-soft); }
.sync-state.available .sync-dot { background: var(--success); box-shadow: 0 0 0 5px var(--success-soft); }

.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 24px; }
.stat-card { display: flex; align-items: center; gap: 14px; padding: 17px 18px; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); box-shadow: 0 5px 18px rgba(21, 46, 56, .035); }
.stat-card small, .stat-card strong { display: block; }
.stat-card small { margin-bottom: 1px; color: var(--muted); font-size: .76rem; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; }
.stat-card strong { font-size: 1.55rem; line-height: 1.1; }
.stat-icon { width: 43px; height: 43px; display: grid; place-items: center; border-radius: 12px; font-size: 1.15rem; }
.stat-icon.neutral { color: var(--brand); background: var(--brand-soft); }
.stat-icon.warning { color: var(--warning); background: var(--warning-soft); }
.stat-icon.danger { color: var(--danger); background: var(--danger-soft); }
.stat-icon.success { color: var(--success); background: var(--success-soft); }

.surface-card { overflow: hidden; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); box-shadow: var(--shadow); }
.surface-card .card-header { padding: 18px 21px; border-bottom: 1px solid var(--border); background: var(--surface); }
.surface-card .card-body { background: var(--surface); }
.list-header { display: flex; justify-content: space-between; align-items: center; }
.result-count { padding: 6px 10px; color: var(--brand-dark); border-radius: 999px; background: var(--brand-soft); font-size: .78rem; font-weight: 800; }

.filter-toolbar { display: grid; grid-template-columns: minmax(250px, .8fr) 2fr; gap: 16px; padding: 16px 20px; border-bottom: 1px solid var(--border); background: var(--surface-soft); }
.filter-search { position: relative; }
.filter-search i { position: absolute; top: 50%; left: 13px; z-index: 2; color: var(--muted); transform: translateY(-50%); }
.filter-search .form-control { padding-left: 39px; }
.filter-controls { display: grid; grid-template-columns: repeat(5, minmax(130px, 1fr)) auto; gap: 9px; }

.form-control, .form-select {
    color: var(--text);
    border-color: var(--border);
    border-radius: 10px;
    background-color: var(--surface);
}
.form-control:focus, .form-select:focus { border-color: var(--brand); box-shadow: 0 0 0 .2rem color-mix(in srgb, var(--brand) 18%, transparent); }
.form-control::placeholder { color: var(--muted); opacity: .8; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: .45rem; border-radius: 10px; font-weight: 650; }
.btn-primary { --bs-btn-bg: var(--brand); --bs-btn-border-color: var(--brand); --bs-btn-hover-bg: var(--brand-dark); --bs-btn-hover-border-color: var(--brand-dark); }

.table { --bs-table-bg: transparent; --bs-table-color: var(--text); --bs-table-border-color: var(--border); margin: 0; }
.table > thead th { padding: 13px 17px; color: var(--muted); border-bottom-width: 1px; background: var(--surface-soft); font-size: .72rem; font-weight: 800; letter-spacing: .055em; text-transform: uppercase; white-space: nowrap; }
.table > tbody td { padding: 15px 17px; vertical-align: middle; }
.table > tbody tr:hover > * { --bs-table-bg-state: color-mix(in srgb, var(--brand-soft) 42%, transparent); }
.table small { line-height: 1.5; }
.table code { color: var(--muted); font-size: .77rem; }
.status-badge { width: fit-content; display: inline-flex; align-items: center; gap: 7px; padding: 6px 9px; border-radius: 999px; font-size: .76rem; font-weight: 800; white-space: nowrap; }
.status-dot { width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.status-pending { color: var(--warning); background: var(--warning-soft); }
.status-overdue { color: var(--danger); background: var(--danger-soft); }
.status-completed { color: var(--success); background: var(--success-soft); }
.completion-date { display: block; margin-top: 5px; color: var(--muted); }

.archive-notice { display: flex; gap: 13px; align-items: flex-start; padding: 14px; color: var(--success); border-radius: 12px; background: var(--success-soft); }
.archive-notice i { margin-top: 2px; font-size: 1.2rem; }
.archive-notice p { margin-top: 3px; color: var(--text); font-size: .88rem; }
.park-notice { display: flex; gap: 13px; align-items: flex-start; padding: 14px; color: var(--brand); border-radius: 12px; background: var(--brand-soft); }
.park-notice i { margin-top: 2px; font-size: 1.2rem; }
.park-notice p { margin-top: 3px; color: var(--text); font-size: .88rem; }
.archive-stats { grid-template-columns: repeat(2, minmax(220px, 1fr)); max-width: 650px; }
.parking-stats { grid-template-columns: repeat(3, minmax(190px, 1fr)); max-width: 900px; }
.archive-toolbar { grid-template-columns: minmax(280px, 1fr) 1.5fr; }
.archive-controls { grid-template-columns: minmax(180px, 1fr) minmax(230px, 1.3fr) auto; }
.parking-toolbar { grid-template-columns: minmax(260px, .8fr) 2fr; }
.parking-controls { grid-template-columns: repeat(3, minmax(155px, 1fr)) auto; }
.empty-state { padding: 65px 24px; text-align: center; }
.empty-state > i { display: block; margin-bottom: 14px; color: var(--brand); font-size: 2.3rem; }
.empty-state h3 { margin-bottom: 7px; font-size: 1.25rem; }
.empty-state p { margin: 0; color: var(--muted); }
.archive-device-summary { padding: 10px 12px; border: 1px solid var(--border); border-radius: 9px; background: var(--surface-soft); font-size: .84rem; word-break: break-all; }

.toast { border: 1px solid var(--border); box-shadow: var(--shadow); }

/* Login */
.login-page { display: grid; place-items: center; padding: 24px; }
.login-layout { width: min(960px, 100%); min-height: 570px; display: grid; grid-template-columns: 1.1fr .9fr; overflow: hidden; border: 1px solid var(--border); border-radius: 24px; background: var(--surface); box-shadow: 0 28px 70px rgba(21, 46, 56, .13); }
.login-visual { position: relative; display: flex; flex-direction: column; justify-content: space-between; padding: 46px; color: #fff; background: linear-gradient(145deg, #0b4f43, #0d765f 58%, #149477); overflow: hidden; }
.login-visual::after { content: ""; position: absolute; right: -110px; bottom: -130px; width: 360px; height: 360px; border: 64px solid rgba(255,255,255,.08); border-radius: 50%; }
.login-visual > * { position: relative; z-index: 1; }
.login-visual img { width: 76px; height: 58px; padding: 8px; border-radius: 14px; background: rgba(255,255,255,.94); }
.login-visual h1 { margin: 22px 0 12px; font-size: 2.45rem; letter-spacing: -.05em; }
.login-visual p { max-width: 390px; color: rgba(255,255,255,.82); font-size: 1.02rem; line-height: 1.65; }
.login-meta { display: flex; align-items: center; gap: 8px; color: rgba(255,255,255,.78); font-size: .82rem; }
.login-form-panel { display: grid; align-content: center; padding: 52px; }
.login-form-panel h2 { margin: 7px 0 8px; font-size: 1.8rem; letter-spacing: -.035em; }
.login-form-panel > p { margin-bottom: 28px; color: var(--muted); }
.password-wrap { position: relative; }
.password-toggle { position: absolute; top: 50%; right: 10px; z-index: 4; width: 38px; height: 38px; border: 0; color: var(--muted); background: transparent; transform: translateY(-50%); }
.password-wrap .form-control { padding-right: 48px; }

@media (max-width: 1100px) {
    .filter-toolbar { grid-template-columns: 1fr; }
    .filter-controls { grid-template-columns: repeat(2, minmax(160px, 1fr)); }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .app-header-inner { min-height: 68px; }
    .brand-logo { width: 44px; }
    .app-main { padding-top: 25px; }
    .page-intro { align-items: stretch; flex-direction: column; }
    .sync-state { width: 100%; }
    .filter-controls { grid-template-columns: 1fr; }
    .table-responsive { padding: 12px; }
    .table thead { display: none; }
    .table, .table tbody, .table tr, .table td { display: block; width: 100%; }
    .table tr { margin-bottom: 12px; overflow: hidden; border: 1px solid var(--border); border-radius: 13px; background: var(--surface); }
    .table > tbody td { min-height: 48px; display: grid; grid-template-columns: 112px 1fr; gap: 12px; align-items: center; padding: 11px 13px; text-align: left; border-bottom: 1px solid var(--border); }
    .table > tbody td:last-child { border-bottom: 0; }
    .table td::before { color: var(--muted); font-size: .7rem; font-weight: 800; letter-spacing: .05em; text-transform: uppercase; }
    .table td:nth-of-type(1)::before { content: "Gerät"; }
    .table td:nth-of-type(2)::before { content: "GUID"; }
    .table td:nth-of-type(3)::before { content: "Offboarding"; }
    .table td:nth-of-type(4)::before { content: "Status"; }
    .table td:nth-of-type(5)::before { content: "Aktionen"; }
    .archive-table td:nth-of-type(1)::before { content: "Gerät"; }
    .archive-table td:nth-of-type(2)::before { content: "Kunde / Ort"; }
    .archive-table td:nth-of-type(3)::before { content: "Geplant"; }
    .archive-table td:nth-of-type(4)::before { content: "Deinstalliert"; }
    .archive-table td:nth-of-type(5)::before { content: "Archiviert"; }
    .archive-table td:nth-of-type(6)::before { content: "Aktionen"; }
    .parking-table td:nth-of-type(1)::before { content: "Gerät"; }
    .parking-table td:nth-of-type(2)::before { content: "Kunde / Ort"; }
    .parking-table td:nth-of-type(3)::before { content: "Geplant"; }
    .parking-table td:nth-of-type(4)::before { content: "Geparkt"; }
    .parking-table td:nth-of-type(5)::before { content: "Status"; }
    .parking-table td:nth-of-type(6)::before { content: "Aktionen"; }
    .table td:nth-of-type(2) small { word-break: break-all; }
    .table td:nth-of-type(5) .d-flex { flex-wrap: wrap; }
    .login-layout { min-height: auto; grid-template-columns: 1fr; }
    .login-visual { min-height: 260px; padding: 32px; }
    .login-visual h1 { font-size: 2rem; }
    .login-form-panel { padding: 38px 32px; }
    .archive-stats { grid-template-columns: 1fr 1fr; max-width: none; }
    .parking-stats { grid-template-columns: 1fr; max-width: none; }
}

@media (max-width: 520px) {
    .brand-lockup .eyebrow { display: none; }
    .brand-lockup h1 { font-size: .98rem; }
    .stats-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
    .stat-card { padding: 13px; }
    .stat-icon { width: 37px; height: 37px; }
    .stat-card strong { font-size: 1.25rem; }
    .page-intro h2 { font-size: 1.8rem; }
    .surface-card .card-body { padding: 16px; }
    .list-header { align-items: flex-start; }
    .table > tbody td { grid-template-columns: 88px 1fr; }
    .table td:nth-of-type(5) .btn { width: 100%; }
    .login-page { padding: 12px; }
    .login-visual { min-height: 230px; padding: 26px; }
    .login-form-panel { padding: 30px 24px; }
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}