:root {
    --bg: #f4f6f8;
    --surface: #ffffff;
    --surface-2: #f8fafb;
    --text: #17212b;
    --muted: #637083;
    --line: #dfe5ea;
    --accent: #1f7a56;
    --accent-dark: #175f43;
    --accent-soft: #e9f4ef;
    --danger: #b3261e;
    --danger-soft: #fcebea;
    --warning: #a56500;
    --warning-soft: #fff3da;
    --shadow: 0 8px 28px rgba(20, 36, 50, .07);
    --radius: 12px;
    --sidebar: 248px;
    --chart-grid: #dce2e7;
    --chart-voltage: #1f7a56;
    --chart-voltage-fill: rgba(31, 122, 86, 0.10);
    --chart-low: #b76e00;
    --chart-high: #b3261e;
    --chart-recovery: #1f7a56;
    --chart-reminder: #637083;
    --chart-empty: #e7ecef;
    --chart-hover: rgba(23, 33, 43, 0.28);
    color-scheme: light;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    color: var(--text);
    background: var(--bg);
}
* { box-sizing: border-box; }
html { min-height: 100%; }
body { margin: 0; min-height: 100vh; background: var(--bg); color: var(--text); font-size: 15px; line-height: 1.5; }
a { color: var(--accent-dark); text-decoration: none; }
a:hover { text-decoration: underline; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }

.app-shell { min-height: 100vh; }
.sidebar {
    position: fixed; inset: 0 auto 0 0; width: var(--sidebar); background: #15212b; color: #f7fafb;
    display: flex; flex-direction: column; padding: 24px 18px; z-index: 20;
}
.brand { display: flex; align-items: center; gap: 12px; color: white; text-decoration: none; padding: 4px 6px 24px; }
.brand:hover { text-decoration: none; }
.brand strong { display: block; font-size: 17px; letter-spacing: .01em; }
.brand small { display: block; color: #aeb9c1; font-size: 12px; margin-top: 2px; }
.brand-mark { width: 34px; height: 22px; border: 2px solid #79d2aa; border-radius: 5px; display: inline-flex; align-items: center; padding: 3px; position: relative; flex: 0 0 auto; }
.brand-mark::after { content: ""; position: absolute; right: -5px; width: 3px; height: 10px; border-radius: 0 2px 2px 0; background: #79d2aa; }
.brand-mark span { display: block; width: 68%; height: 100%; border-radius: 2px; background: #79d2aa; }
.brand-mark.large { width: 50px; height: 31px; padding: 4px; border-width: 3px; }
.brand-mark.large::after { right: -7px; width: 5px; height: 14px; }
.nav { display: grid; gap: 5px; }
.nav-link { color: #c7d0d6; padding: 10px 12px; border-radius: 8px; font-weight: 600; text-decoration: none; }
.nav-link:hover { color: white; background: rgba(255,255,255,.06); text-decoration: none; }
.nav-link.active { color: white; background: rgba(91, 194, 147, .18); box-shadow: inset 3px 0 0 #72cda4; }
.sidebar-footer { margin-top: auto; border-top: 1px solid rgba(255,255,255,.1); padding-top: 18px; display: grid; gap: 8px; }
.sidebar-footer > a { color: #c7d0d6; font-size: 13px; padding-left: 2px; }
.user-card { display: flex; align-items: center; gap: 10px; margin-bottom: 6px; }
.user-card strong, .user-card small { display: block; }
.user-card small { color: #aeb9c1; font-size: 12px; }
.avatar { width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center; background: #2c6d55; font-weight: 800; }
.main { margin-left: var(--sidebar); min-height: 100vh; }
.topbar { height: 86px; padding: 20px 32px; background: rgba(255,255,255,.93); border-bottom: 1px solid var(--line); display: flex; align-items: center; gap: 14px; position: sticky; top: 0; z-index: 10; backdrop-filter: blur(8px); }
.topbar h1 { margin: 0; font-size: 23px; line-height: 1.2; }
.topbar p { margin: 4px 0 0; color: var(--muted); font-size: 13px; }
.menu-button { display: none; border: 1px solid var(--line); background: white; border-radius: 8px; width: 40px; height: 40px; }
.content { padding: 28px 32px 48px; max-width: 1600px; margin: 0 auto; }

.alert { padding: 12px 14px; border-radius: 9px; margin-bottom: 16px; border: 1px solid transparent; }
.alert-success { background: var(--accent-soft); color: #15543b; border-color: #c6e6d7; }
.alert-error { background: var(--danger-soft); color: #7f1d18; border-color: #f2c7c4; }
.alert-warning { background: var(--warning-soft); color: #704600; border-color: #f0d69d; }

.kpi-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 16px; margin-bottom: 20px; }
.kpi { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 20px; box-shadow: var(--shadow); }
.kpi span, .kpi small { display: block; color: var(--muted); }
.kpi span { font-weight: 650; font-size: 13px; }
.kpi strong { display: block; font-size: 31px; margin: 5px 0 2px; line-height: 1; }
.kpi small { font-size: 12px; }
.kpi.danger { border-top: 3px solid var(--danger); }
.kpi.warning { border-top: 3px solid var(--warning); }
.kpi.muted { border-top: 3px solid #7a8693; }
.panel { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; }
.panel-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; padding: 18px 20px; border-bottom: 1px solid var(--line); }
.panel-heading h2 { margin: 0; font-size: 17px; }
.panel-heading p { margin: 3px 0 0; color: var(--muted); font-size: 13px; }
.dashboard-grid { display: grid; grid-template-columns: minmax(0, 2fr) minmax(260px, .8fr); gap: 18px; margin-bottom: 18px; }
.panel-wide { grid-row: span 2; display: flex; flex-direction: column; min-height: 0; }
.panel-wide .chart-wrap { flex: 1 1 auto; height: auto; min-height: 410px; }
.chart-wrap { height: 360px; padding: 18px; position: relative; min-width: 0; }
.chart-wrap canvas { display: block; width: 100%; height: 100%; }
.chart-wrap.compact { height: 250px; }
.chart-wrap.loading::after { content: "Messdaten werden geladen …"; position: absolute; inset: 0; display: grid; place-items: center; background: rgba(255,255,255,.72); color: var(--muted); }
.chart-error { height: 100%; display: grid; place-items: center; color: var(--danger); }
.current-reading { text-align: right; }
.current-reading span { display: block; color: var(--muted); font-size: 12px; }
.current-reading strong { display: block; font-size: 23px; line-height: 1.18; font-variant-numeric: tabular-nums; }
.current-reading time { display: block; margin-top: 4px; color: var(--muted); font-size: 12px; white-space: nowrap; font-variant-numeric: tabular-nums; }
.details-list { margin: 0; padding: 6px 20px 16px; }
.details-list > div { display: flex; justify-content: space-between; gap: 20px; padding: 12px 0; border-bottom: 1px solid var(--line); }
.details-list > div:last-child { border: 0; }
.details-list dt { color: var(--muted); }
.details-list dd { margin: 0; font-weight: 650; text-align: right; }
.toolbar, .page-actions { display: flex; justify-content: space-between; align-items: flex-end; gap: 16px; margin-bottom: 18px; }
.page-actions p { margin: 0; color: var(--muted); }
.inline-form { display: flex; gap: 12px; align-items: flex-end; }
.inline-form label { min-width: 190px; }
.inline-test { display: flex; gap: 8px; margin-top: 10px; }
.inline-test input { flex: 1; }

.table-wrap { width: 100%; overflow-x: auto; }
table { width: 100%; border-collapse: collapse; min-width: 760px; }
th, td { padding: 13px 16px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: middle; }
th { background: var(--surface-2); font-size: 12px; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }
tbody tr:hover { background: #fbfcfd; }
td small, td strong { display: block; }
td small { color: var(--muted); margin-top: 3px; font-size: 12px; }
.actions-cell { white-space: nowrap; text-align: right; }
.message-cell { min-width: 320px; max-width: 560px; }
.empty-cell { padding: 36px; text-align: center; color: var(--muted); }

.status-badge, .event-type { display: inline-flex; align-items: center; padding: 5px 9px; border-radius: 999px; font-size: 12px; font-weight: 750; white-space: nowrap; }
.status-normal { color: #15543b; background: var(--accent-soft); }
.status-low, .type-low, .type-reminder { color: #714700; background: var(--warning-soft); }
.status-high, .type-high { color: #7f1d18; background: var(--danger-soft); }
.status-muted { color: #4f5d6b; background: #eef1f3; }
.type-recovery { color: #15543b; background: var(--accent-soft); }

.button { display: inline-flex; align-items: center; justify-content: center; min-height: 40px; padding: 9px 15px; border-radius: 8px; border: 1px solid #cbd5dc; background: white; color: var(--text); font-weight: 700; text-decoration: none; line-height: 1; }
.button:hover { text-decoration: none; background: #f7f9fa; }
.button.primary { color: white; background: var(--accent); border-color: var(--accent); }
.button.primary:hover { background: var(--accent-dark); }
.button.secondary { background: var(--surface-2); }
.button.small { min-height: 32px; padding: 6px 10px; font-size: 12px; }
.button.full { width: 100%; }
.large-button { min-height: 48px; font-size: 16px; width: 100%; }

label { display: grid; gap: 6px; font-weight: 650; font-size: 13px; }
label small, fieldset small { color: var(--muted); font-weight: 400; }
input, select, textarea { width: 100%; border: 1px solid #cbd5dc; background: white; color: var(--text); border-radius: 8px; padding: 10px 11px; outline: none; transition: border-color .15s, box-shadow .15s; }
input:focus, select:focus, textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(31,122,86,.12); }
input:disabled { background: #eef2f4; color: #687581; }
textarea { resize: vertical; min-height: 90px; }
.form-panel { padding-bottom: 20px; }
.form-panel > .form-grid, .form-panel > .form-stack, .form-panel > fieldset, .form-panel > label, .form-panel > p, .form-panel > form { margin-left: 20px; margin-right: 20px; }
.form-grid { display: grid; gap: 16px; }
.form-grid.two { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.span-two { grid-column: 1 / -1; }
.form-stack { display: grid; gap: 15px; }
.form-actions { padding: 20px 20px 0; display: flex; justify-content: flex-end; }
.checkbox-group { display: grid; align-content: center; gap: 8px; padding-top: 20px; }
.check { display: flex; align-items: center; gap: 9px; font-weight: 500; }
.check input { width: 17px; height: 17px; flex: 0 0 auto; }
.check small { margin-left: 4px; }
fieldset { border: 1px solid var(--line); border-radius: 9px; padding: 14px; margin-top: 20px; }
legend { padding: 0 7px; font-weight: 750; }
.check-list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; }
.scroll-list { max-height: 220px; overflow: auto; grid-template-columns: 1fr; }
.form-sections { display: grid; gap: 18px; }
.sticky-actions { position: sticky; bottom: 16px; display: flex; justify-content: flex-end; z-index: 4; }
.test-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; margin-top: 18px; }
.security-note { color: #744b00; background: var(--warning-soft); border-radius: 8px; padding: 10px; }
.split-layout { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(330px, .7fr); gap: 18px; align-items: start; }
.compact-form { position: sticky; top: 104px; }
.narrow-panel { max-width: 660px; }
.muted-text { color: var(--muted); }
.empty-state { background: var(--surface); border: 1px dashed #bec9d0; border-radius: var(--radius); padding: 50px 24px; text-align: center; }
.empty-state h2 { margin: 0 0 8px; }
.empty-state p { color: var(--muted); margin: 0; }

.login-page { display: grid; place-items: center; padding: 24px; background: linear-gradient(135deg, #eef3f1, #f8fafb); }
.login-panel { width: min(920px, 100%); display: grid; grid-template-columns: .9fr 1.1fr; border: 1px solid var(--line); border-radius: 16px; overflow: hidden; box-shadow: 0 24px 70px rgba(25,45,57,.13); background: white; }
.login-brand { background: #15212b; color: white; padding: 54px 42px; display: flex; align-items: flex-start; gap: 20px; }
.login-brand h1 { margin: 0; font-size: 28px; }
.login-brand p { margin: 8px 0 0; color: #b8c3ca; }
.login-card { padding: 52px 46px; }
.login-heading h2 { margin: 0; font-size: 25px; }
.login-heading p { color: var(--muted); margin: 7px 0 24px; }

.install-page { padding: 34px 18px 60px; }
.install-shell { width: min(940px, 100%); margin: 0 auto; }
.install-header { display: flex; align-items: center; gap: 18px; margin-bottom: 24px; padding: 10px 4px; }
.install-header .brand-mark { border-color: var(--accent); }
.install-header .brand-mark::after, .install-header .brand-mark span { background: var(--accent); }
.install-header h1 { margin: 0; }
.install-header p { margin: 4px 0 0; color: var(--muted); }

@media (max-width: 1150px) {
    .kpi-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .dashboard-grid { grid-template-columns: 1fr; }
    .panel-wide { grid-row: auto; }
    .panel-wide .chart-wrap { min-height: 360px; }
    .split-layout { grid-template-columns: 1fr; }
    .compact-form { position: static; }
}
@media (max-width: 900px) {
    .sidebar { transform: translateX(-100%); transition: transform .2s ease; box-shadow: 12px 0 30px rgba(0,0,0,.16); }
    .sidebar.open { transform: translateX(0); }
    .main { margin-left: 0; }
    .menu-button { display: block; }
    .content { padding: 20px 16px 40px; }
    .topbar { padding: 18px 16px; }
    .test-grid { grid-template-columns: 1fr; }
}
@media (max-width: 700px) {
    .kpi-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
    .kpi { padding: 15px; }
    .form-grid.two, .check-list { grid-template-columns: 1fr; }
    .span-two { grid-column: auto; }
    .toolbar, .page-actions { align-items: stretch; flex-direction: column; }
    .inline-form { width: 100%; flex-direction: column; align-items: stretch; }
    .inline-form label { min-width: 0; }
    .login-panel { grid-template-columns: 1fr; }
    .login-brand { padding: 30px; }
    .login-card { padding: 34px 28px; }
    .chart-wrap { height: 300px; }
    .panel-wide .chart-wrap { min-height: 320px; }
}
@media (max-width: 440px) {
    .kpi-grid { grid-template-columns: 1fr; }
    .inline-test { flex-direction: column; }
}

/* Version 1.3.0: strukturierte Seitenleiste, Rechtstexte und 5-Minuten-Status */
.sidebar { width: 272px; padding: 20px 16px; overflow-y: auto; }
:root { --sidebar: 272px; }
.brand { padding: 6px 8px 22px; }
.nav { display: grid; gap: 18px; }
.nav-group { display: grid; gap: 4px; }
.nav-group-label { padding: 0 12px 5px; color: #81909a; font-size: 10px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.nav-link { display: flex; align-items: center; gap: 11px; min-height: 42px; padding: 10px 12px; }
.nav-icon { width: 19px; height: 19px; flex: 0 0 auto; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.nav-link.active { box-shadow: inset 3px 0 0 #72cda4; }
.sidebar-footer { gap: 12px; }
.sidebar-account-links { display: flex; gap: 14px; }
.sidebar-account-links a { color: #c7d0d6; font-size: 13px; }

.sidebar-logout-form { margin: 0; display: inline-flex; }
.sidebar-logout-button { border: 0; padding: 0; background: transparent; color: #c7d0d6; font: inherit; font-size: 13px; cursor: pointer; }
.sidebar-logout-button:hover, .sidebar-logout-button:focus-visible { color: white; text-decoration: underline; }
.topbar-title { min-width: 0; }
.refresh-status { margin-left: auto; display: inline-flex; align-items: center; gap: 9px; color: var(--muted); font-size: 12px; background: var(--surface-2); border: 1px solid var(--line); border-radius: 999px; padding: 7px 11px; white-space: nowrap; }
.refresh-status strong { color: var(--text); font-variant-numeric: tabular-nums; }
.refresh-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--accent); box-shadow: 0 0 0 4px rgba(31,122,86,.11); }

.login-page { align-content: center; }
.login-page-shell { width: min(920px, 100%); }
.login-panel { width: 100%; }
.login-legal-links { display: flex; justify-content: center; flex-wrap: wrap; gap: 16px; margin-top: 18px; font-size: 13px; }
.login-legal-links a { color: var(--muted); }

.public-page { background: var(--bg); }
.public-header { min-height: 74px; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 16px max(20px, calc((100vw - 980px) / 2)); background: var(--surface); border-bottom: 1px solid var(--line); }
.public-brand { display: flex; align-items: center; gap: 12px; color: var(--text); text-decoration: none; }
.public-brand:hover { text-decoration: none; }
.public-brand strong, .public-brand small { display: block; }
.public-brand small { color: var(--muted); font-size: 12px; }
.public-brand .brand-mark { border-color: var(--accent); }
.public-brand .brand-mark::after, .public-brand .brand-mark span { background: var(--accent); }
.public-main { width: min(980px, calc(100% - 32px)); margin: 34px auto 54px; }
.public-title { margin-bottom: 18px; }
.public-title h1 { margin: 0; font-size: 30px; letter-spacing: -.025em; }
.public-footer { border-top: 1px solid var(--line); background: var(--surface); padding: 22px 16px; }
.public-footer nav { display: flex; justify-content: center; flex-wrap: wrap; gap: 20px; font-size: 13px; }
.legal-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); padding: 24px; margin-bottom: 18px; }
.legal-card h2 { margin: 0 0 12px; font-size: 18px; }
.legal-card h3 { margin: 22px 0 8px; font-size: 15px; }
.legal-card p { margin: 0 0 11px; }
.legal-card p:last-child { margin-bottom: 0; }
.legal-card ul { margin: 8px 0 0; padding-left: 20px; }
.legal-card address { font-style: normal; }
.legal-meta { display: grid; grid-template-columns: minmax(150px, .45fr) minmax(0, 1fr); gap: 9px 18px; margin: 0; }
.legal-meta dt { color: var(--muted); }
.legal-meta dd { margin: 0; font-weight: 600; overflow-wrap: anywhere; }
.legal-notice { background: var(--warning-soft); border: 1px solid #ead59d; border-radius: 9px; padding: 12px 14px; color: #704600; margin-bottom: 18px; }
.contact-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.contact-link { display: flex; align-items: flex-start; gap: 13px; color: var(--text); }
.contact-link:hover { text-decoration: none; }
.contact-link strong, .contact-link span { display: block; }
.contact-link span { color: var(--muted); font-size: 13px; margin-top: 2px; }
.contact-symbol { width: 38px; height: 38px; border-radius: 9px; display: grid; place-items: center; background: var(--accent-soft); color: var(--accent-dark); font-weight: 800; flex: 0 0 auto; }
.code-block { display: block; width: 100%; overflow-x: auto; padding: 11px 12px; border-radius: 8px; background: #15212b; color: #eef5f2; font: 12px/1.5 ui-monospace, SFMono-Regular, Menlo, monospace; }

@media (max-width: 900px) {
    .refresh-status { margin-left: auto; }
}
@media (max-width: 700px) {
    .refresh-status span:last-child { display: none; }
    .refresh-status { padding: 9px; }
    .contact-grid { grid-template-columns: 1fr; }
    .legal-meta { grid-template-columns: 1fr; gap: 2px; }
    .legal-meta dd { margin-bottom: 9px; }
    .public-header { padding: 14px 16px; }
}
.stat-grid { display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:14px; margin-bottom:18px; }
.stat-card { background:var(--surface); border:1px solid var(--line); border-radius:var(--radius); padding:16px 18px; box-shadow:var(--shadow); }
.stat-card span { display:block; color:var(--muted); font-size:12px; font-weight:650; }
.stat-card strong { display:block; font-size:27px; margin-top:4px; }
.flash { padding:12px 14px; border-radius:9px; margin-bottom:16px; border:1px solid transparent; }
.flash.error { background:var(--danger-soft); color:#7f1d18; border-color:#f2c7c4; }
@media (max-width:900px) { .stat-grid { grid-template-columns:repeat(2,minmax(0,1fr)); } }
@media (max-width:520px) { .stat-grid { grid-template-columns:1fr; } }

/* Version 1.4.2: Optimierung für Smartphones und Tablets */
html {
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
    scroll-behavior: smooth;
}
body { overflow-x: hidden; }
button, .button, a, select { touch-action: manipulation; }
input, select, textarea { min-height: 44px; }
canvas { max-width: 100%; }
.chart-wrap canvas { touch-action: pan-y; }
.mobile-menu-overlay, .sidebar-close { display: none; }
.page-action-buttons { display: flex; gap: 10px; flex-wrap: wrap; }

@media (max-width: 900px) {
    .sidebar {
        width: min(86vw, 320px);
        height: 100vh;
        height: 100dvh;
        padding: max(18px, env(safe-area-inset-top)) 16px max(18px, env(safe-area-inset-bottom));
        overscroll-behavior: contain;
    }
    .sidebar-close {
        display: grid;
        place-items: center;
        position: absolute;
        top: max(14px, env(safe-area-inset-top));
        right: 12px;
        width: 44px;
        height: 44px;
        border: 0;
        border-radius: 9px;
        background: rgba(255,255,255,.08);
        color: #fff;
        font-size: 28px;
        line-height: 1;
    }
    .sidebar-close:focus-visible, .menu-button:focus-visible { outline: 3px solid rgba(114,205,164,.45); outline-offset: 2px; }
    .sidebar .brand { padding-right: 46px; }
    .mobile-menu-overlay {
        display: block;
        position: fixed;
        inset: 0;
        z-index: 19;
        border: 0;
        padding: 0;
        background: rgba(10, 18, 24, .52);
        opacity: 0;
        pointer-events: none;
        transition: opacity .2s ease;
        backdrop-filter: blur(2px);
    }
    body.menu-open { overflow: hidden; }
    body.menu-open .mobile-menu-overlay { opacity: 1; pointer-events: auto; }
    .topbar {
        min-height: 70px;
        height: auto;
        padding: max(12px, env(safe-area-inset-top)) 14px 12px;
        gap: 11px;
    }
    .menu-button {
        display: grid;
        place-items: center;
        flex: 0 0 44px;
        width: 44px;
        height: 44px;
        font-size: 22px;
    }
    .topbar-title { flex: 1 1 auto; overflow: hidden; }
    .topbar h1 { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-size: 20px; }
    .topbar p { margin-top: 2px; font-size: 12px; }
    .content { padding: 16px 14px max(36px, env(safe-area-inset-bottom)); }
    .panel, .kpi, .stat-card { box-shadow: 0 4px 18px rgba(20,36,50,.055); }
    .page-action-buttons { width: 100%; }
}

@media (max-width: 700px) {
    body { font-size: 14px; }
    input, select, textarea { font-size: 16px; }
    .content { padding-left: 10px; padding-right: 10px; }
    .topbar { padding-left: 10px; padding-right: 10px; }
    .topbar p { display: none; }
    .refresh-status { padding: 8px; }
    .panel-heading {
        padding: 15px 16px;
        gap: 12px;
    }
    .panel-heading h2 { font-size: 16px; }
    .panel-wide .panel-heading {
        display: grid;
        grid-template-columns: minmax(0, 1fr) auto;
        align-items: start;
    }
    .panel-wide .panel-heading > div:first-child { min-width: 0; }
    .panel-wide .panel-heading p { overflow-wrap: anywhere; }
    .current-reading { min-width: 112px; }
    .current-reading strong { font-size: 22px; }
    .current-reading time { font-size: 11px; white-space: normal; }
    .toolbar { gap: 12px; }
    .toolbar > .status-badge { align-self: flex-start; }
    .inline-form { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
    .chart-wrap { height: 290px; padding: 10px 6px 12px; }
    .panel-wide .chart-wrap { min-height: 290px; }
    .chart-wrap.compact { height: 245px; }
    .details-list { padding-left: 16px; padding-right: 16px; }
    .details-list > div { gap: 12px; }
    .details-list dt { max-width: 48%; }
    .details-list dd { overflow-wrap: anywhere; }
    .form-panel { padding-bottom: 16px; }
    .form-panel > .form-grid, .form-panel > .form-stack, .form-panel > fieldset, .form-panel > label, .form-panel > p, .form-panel > form { margin-left: 14px; margin-right: 14px; }
    .form-actions { padding: 16px 14px 0; }
    .form-actions .button, .sticky-actions .button { width: 100%; }
    .sticky-actions { bottom: max(10px, env(safe-area-inset-bottom)); }
    .button { min-height: 44px; }
    .button.small { min-height: 40px; padding: 8px 11px; }
    .page-action-buttons > *, .page-action-buttons form, .page-action-buttons .button { width: 100%; }
    .page-actions > .button { width: 100%; }
    .legal-card { padding: 18px 16px; }
    .public-main { width: min(100% - 20px, 980px); margin-top: 22px; }
    .public-title h1 { font-size: 25px; }

    .table-wrap.mobile-cards { overflow: visible; }
    .mobile-cards table, .mobile-cards tbody, .mobile-cards tr, .mobile-cards td { display: block; width: 100%; min-width: 0; }
    .mobile-cards thead { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
    .mobile-cards tbody { display: grid; gap: 10px; padding: 10px; }
    .mobile-cards tr { border: 1px solid var(--line); border-radius: 10px; overflow: hidden; background: var(--surface); }
    .mobile-cards tbody tr:hover { background: var(--surface); }
    .mobile-cards td {
        display: grid;
        grid-template-columns: minmax(105px, 38%) minmax(0, 1fr);
        gap: 12px;
        align-items: start;
        padding: 11px 12px;
        border-bottom: 1px solid var(--line);
        text-align: left;
        overflow-wrap: anywhere;
    }
    .mobile-cards td:last-child { border-bottom: 0; }
    .mobile-cards td::before {
        content: attr(data-label);
        color: var(--muted);
        font-size: 11px;
        font-weight: 800;
        letter-spacing: .035em;
        text-transform: uppercase;
    }
    .mobile-cards td[data-label=""]::before, .mobile-cards td.empty-cell::before { display: none; }
    .mobile-cards td.empty-cell { display: block; padding: 26px 16px; }
    .mobile-cards .message-cell { min-width: 0; max-width: none; }
    .mobile-cards .actions-cell {
        display: flex;
        justify-content: flex-end;
        gap: 8px;
        white-space: normal;
    }
    .mobile-cards .actions-cell::before { display: none; }
    .mobile-cards .actions-cell .button { flex: 1 1 120px; }
    .mobile-cards td form .button { width: 100%; }
}

@media (max-width: 480px) {
    .brand strong { font-size: 16px; }
    .brand small { font-size: 11px; }
    .topbar h1 { font-size: 18px; }
    .refresh-status { background: transparent; border-color: transparent; }
    .kpi-grid { gap: 8px; }
    .kpi { padding: 14px; }
    .kpi strong { font-size: 27px; }
    .inline-form { grid-template-columns: 1fr; }
    .panel-wide .panel-heading { grid-template-columns: 1fr; }
    .current-reading {
        display: grid;
        grid-template-columns: 1fr auto;
        align-items: end;
        gap: 2px 12px;
        width: 100%;
        min-width: 0;
        padding-top: 11px;
        border-top: 1px solid var(--line);
        text-align: left;
    }
    .current-reading span { grid-column: 1; }
    .current-reading strong { grid-column: 2; grid-row: 1 / span 2; font-size: 24px; }
    .current-reading time { grid-column: 1 / -1; margin-top: 3px; }
    .chart-wrap { height: 270px; }
    .panel-wide .chart-wrap { min-height: 270px; }
    .chart-wrap.compact { height: 265px; }
    .login-page { display: block; padding: 0; background: var(--surface); }
    .login-page-shell { width: 100%; }
    .login-panel { min-height: calc(100vh - 54px); min-height: calc(100dvh - 54px); border: 0; border-radius: 0; box-shadow: none; }
    .login-brand { padding: max(28px, env(safe-area-inset-top)) 22px 26px; }
    .login-brand h1 { font-size: 24px; }
    .login-card { padding: 28px 20px 34px; }
    .login-legal-links { margin: 0; padding: 16px 12px max(16px, env(safe-area-inset-bottom)); background: var(--bg); }
    .public-header { align-items: flex-start; }
    .public-header .button { flex: 0 0 auto; width: auto; }
    .public-brand small { display: none; }
    .contact-link { align-items: center; }
    .mobile-cards td { grid-template-columns: 1fr; gap: 4px; }
    .mobile-cards td::before { margin-bottom: 1px; }
}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .sidebar, .mobile-menu-overlay { transition: none !important; }
}


/* Version 1.4.3: Tag-, Nacht- und Automatikdarstellung */
.theme-switcher { display: grid; gap: 6px; min-width: 0; }
.theme-switcher-label { color: var(--muted); font-size: 11px; font-weight: 750; letter-spacing: .06em; text-transform: uppercase; }
.theme-options { display: grid; grid-template-columns: repeat(3, 30px); gap: 3px; width: fit-content; padding: 3px; border: 1px solid var(--line); border-radius: 9px; background: var(--surface-2); }
.theme-options button { width: 30px; min-width: 30px; min-height: 30px; height: 30px; border: 0; border-radius: 6px; padding: 6px; display: inline-grid; place-items: center; background: transparent; color: var(--muted); line-height: 1; }
.theme-options button:hover { color: var(--text); background: var(--surface); }
.theme-options button.active, .theme-options button[aria-pressed="true"] { color: var(--text); background: var(--surface); box-shadow: 0 1px 5px rgba(20, 36, 50, .12); }
.theme-switcher.compact { width: auto; }
.sidebar .theme-switcher { margin-bottom: 2px; }
.sidebar .theme-switcher-label { color: #9eabb4; }
.sidebar .theme-options { border-color: rgba(255,255,255,.13); background: rgba(255,255,255,.055); }
.sidebar .theme-options button { color: #bfc9d0; }
.sidebar .theme-options button:hover { color: white; background: rgba(255,255,255,.08); }
.sidebar .theme-options button.active, .sidebar .theme-options button[aria-pressed="true"] { color: white; background: rgba(114,205,164,.18); box-shadow: inset 0 0 0 1px rgba(114,205,164,.36); }
.public-header-actions { display: flex; align-items: center; justify-content: flex-end; gap: 12px; }
.login-theme-bar { display: flex; justify-content: flex-end; margin: 0 0 10px; }

:root[data-theme="dark"] {
    --bg: #0f151b;
    --surface: #172029;
    --surface-2: #1d2832;
    --text: #edf2f5;
    --muted: #a8b3bd;
    --line: #34424e;
    --accent: #63c79c;
    --accent-dark: #83d9b4;
    --accent-soft: #17392d;
    --danger: #ff8b83;
    --danger-soft: #3c2224;
    --warning: #f0bd68;
    --warning-soft: #3b2f1c;
    --shadow: 0 10px 30px rgba(0, 0, 0, .22);
    --chart-grid: #35434f;
    --chart-voltage: #63c79c;
    --chart-voltage-fill: rgba(99, 199, 156, .13);
    --chart-low: #f0bd68;
    --chart-high: #ff8b83;
    --chart-recovery: #63c79c;
    --chart-reminder: #a8b3bd;
    --chart-empty: #33414c;
    --chart-hover: rgba(237, 242, 245, .28);
    color-scheme: dark;
}
:root[data-theme="dark"] .topbar { background: rgba(23,32,41,.93); }
:root[data-theme="dark"] .menu-button,
:root[data-theme="dark"] .button,
:root[data-theme="dark"] input,
:root[data-theme="dark"] select,
:root[data-theme="dark"] textarea { background: #131c24; color: var(--text); border-color: #465561; }
:root[data-theme="dark"] .button:hover { background: #22303b; }
:root[data-theme="dark"] .button.primary { background: var(--accent); border-color: var(--accent); color: #0d1d16; }
:root[data-theme="dark"] .button.primary:hover { background: #78d2aa; }
:root[data-theme="dark"] input:disabled { background: #202b34; color: #9ba7b0; }
:root[data-theme="dark"] tbody tr:hover { background: #1b2630; }
:root[data-theme="dark"] .status-muted { color: #c3ccd3; background: #293640; }
:root[data-theme="dark"] .alert-success,
:root[data-theme="dark"] .status-normal,
:root[data-theme="dark"] .type-recovery { color: #aee5ca; border-color: #2f6751; }
:root[data-theme="dark"] .alert-error,
:root[data-theme="dark"] .status-high,
:root[data-theme="dark"] .type-high { color: #ffbbb6; border-color: #704044; }
:root[data-theme="dark"] .alert-warning,
:root[data-theme="dark"] .status-low,
:root[data-theme="dark"] .type-low,
:root[data-theme="dark"] .type-reminder,
:root[data-theme="dark"] .security-note,
:root[data-theme="dark"] .legal-notice { color: #f5d79e; border-color: #705b31; }
:root[data-theme="dark"] .chart-wrap.loading::after { background: rgba(23,32,41,.76); }
:root[data-theme="dark"] .empty-state { border-color: #475661; }
:root[data-theme="dark"] .login-page { background: linear-gradient(135deg, #0d1318, #151e26); }
:root[data-theme="dark"] .login-panel { background: var(--surface); border-color: var(--line); box-shadow: 0 26px 72px rgba(0,0,0,.35); }
:root[data-theme="dark"] .login-card { background: var(--surface); }
:root[data-theme="dark"] .theme-options button.active,
:root[data-theme="dark"] .theme-options button[aria-pressed="true"] { box-shadow: 0 1px 6px rgba(0,0,0,.28); }
:root[data-theme="dark"] .code-block { background: #0a1117; color: #eef5f2; }
:root[data-theme="dark"] ::selection { background: rgba(99,199,156,.32); }

@media (max-width: 700px) {
    .public-header { align-items: flex-start; }
    .public-header-actions { align-items: stretch; flex-direction: column; gap: 8px; }
    .public-header-actions .theme-switcher.compact { width: 210px; }
}
@media (max-width: 520px) {
    .public-header { align-items: center; flex-wrap: wrap; }
    .public-brand { flex: 1 1 auto; }
    .public-brand small { display: none; }
    .public-header-actions { width: 100%; flex-direction: row; align-items: center; }
    .public-header-actions .theme-switcher.compact { width: auto; flex: 1 1 auto; }
    .public-header-actions .button { flex: 0 0 auto; }
    .login-theme-bar { justify-content: center; }
}

/* Version 1.5.1: Anbieter-Fußzeile, Kennwort-Rücksetzung und verpflichtende 2FA */
.main { display: flex; flex-direction: column; }
.content { width: 100%; flex: 1 0 auto; }
.site-footer { width: min(1600px, 100%); margin: auto auto 0; padding: 18px 32px max(22px, env(safe-area-inset-bottom)); border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; display: grid; grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr); align-items: center; gap: 14px 24px; }
.site-footer nav, .public-footer nav { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.site-footer nav { justify-self: end; }
.provider-line { color: var(--muted); font-size: 12px; line-height: 1.6; }
.provider-line span { display: inline-block; margin: 0 5px; color: var(--line); }
.public-footer { display: grid; justify-items: center; gap: 7px; text-align: center; }
.login-footer { margin-top: 16px; display: grid; justify-items: center; gap: 7px; text-align: center; }
.login-footer .login-legal-links { margin: 0; }
.status-warning { color: #714700; background: var(--warning-soft); }
.button.danger { color: white; background: var(--danger); border-color: var(--danger); }
.button.danger:hover { filter: brightness(.92); }
.button:disabled { cursor: not-allowed; opacity: .55; }
.text-button { border: 0; padding: 5px; background: transparent; color: var(--accent-dark); font-weight: 700; }
.text-button:hover { text-decoration: underline; }
.security-page { align-items: start; }
.security-shell { width: min(980px, 100%); margin: auto; }
.security-panel { width: 100%; }
.narrow-security-panel { max-width: 620px; margin-inline: auto; }
.compact-brand { border-radius: 16px 16px 0 0; padding: 28px 34px; }
.security-card { border-radius: 0 0 16px 16px; box-shadow: 0 24px 70px rgba(25,45,57,.13); }
.narrow-security-card { max-width: 620px; margin-inline: auto; border-radius: 16px; }
.method-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.method-card { border: 1px solid var(--line); background: var(--surface-2); border-radius: 12px; padding: 18px; display: grid; align-content: start; gap: 14px; }
.method-card strong { font-size: 17px; }
.method-card p { margin: 0; color: var(--muted); }
.totp-setup-grid { display: grid; grid-template-columns: 250px minmax(0, 1fr); gap: 28px; align-items: center; }
.qr-frame { width: 244px; min-height: 244px; padding: 12px; display: grid; place-items: center; border: 1px solid var(--line); border-radius: 12px; background: white; }
.qr-frame img, .qr-frame canvas { max-width: 220px; width: 100%; height: auto; }
.manual-secret { display: grid; gap: 6px; }
.manual-secret span { color: var(--muted); font-size: 12px; }
.manual-secret code { display: block; padding: 11px 12px; border: 1px solid var(--line); border-radius: 8px; background: var(--surface-2); overflow-wrap: anywhere; font-size: 15px; letter-spacing: .08em; }
.otp-input { text-align: center; font-size: 24px; font-weight: 800; letter-spacing: .32em; font-variant-numeric: tabular-nums; }
.security-alternative { display: flex; justify-content: center; margin-top: 13px; }
.security-cancel { text-align: center; margin: 16px 0 0; }
.auth-public-card { max-width: 720px; margin-inline: auto; }
.narrow-form { max-width: 520px; }
.profile-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; align-items: start; }
.profile-grid .narrow-panel { max-width: none; }
.security-status-row { display: flex; justify-content: space-between; align-items: baseline; gap: 18px; padding: 10px 0; border-bottom: 1px solid var(--line); }
.security-status-row span { color: var(--muted); }
.security-status-row strong { text-align: right; }
.danger-zone-panel { margin-top: 18px; }
.danger-zone-panel .panel-body { padding: 18px 20px 20px; }

:root[data-theme="dark"] .site-footer,
:root[data-theme="dark"] .public-footer { border-color: var(--line); }
:root[data-theme="dark"] .method-card,
:root[data-theme="dark"] .manual-secret code { background: var(--surface-2); }

@media (max-width: 780px) {
    .method-grid, .totp-setup-grid, .profile-grid { grid-template-columns: 1fr; }
    .qr-frame { margin-inline: auto; }
    .security-card { padding: 28px 22px; }
}
@media (max-width: 700px) {
    .site-footer { padding: 16px 16px max(18px, env(safe-area-inset-bottom)); justify-content: center; text-align: center; }
    .site-footer nav { justify-content: center; width: 100%; }
}
@media (max-width: 520px) {
    .provider-line span { display: none; }
    .provider-line { display: grid; gap: 1px; }
    .compact-brand { border-radius: 12px 12px 0 0; padding: 24px 20px; }
    .security-card { border-radius: 0 0 12px 12px; padding: 24px 18px; }
    .narrow-security-card { border-radius: 12px; }
    .qr-frame { width: min(244px, 100%); }
    .otp-input { letter-spacing: .22em; }
}

/* Version 1.5.1: zuverlässige lokale QR-Code-Darstellung */
#totp-qrcode {
    width: 220px;
    height: 220px;
    display: grid;
    place-items: center;
    overflow: hidden;
    background: #ffffff;
    color: #000000;
}
#totp-qrcode canvas {
    display: block !important;
    width: 220px !important;
    height: 220px !important;
    max-width: 100%;
    background: #ffffff;
    image-rendering: pixelated;
    image-rendering: crisp-edges;
}
#totp-qrcode img { display: none !important; }
#totp-qrcode table { border-collapse: collapse; background: #ffffff; }
#totp-qrcode td { padding: 0; }
#totp-qrcode .qr-error {
    margin: 0;
    padding: 14px;
    color: #7f1d18;
    background: #fff2f1;
    border: 1px solid #efc7c4;
    border-radius: 8px;
    font-size: 13px;
    text-align: center;
}
@media (max-width: 520px) {
    #totp-qrcode,
    #totp-qrcode canvas { width: min(220px, 100%) !important; height: auto !important; aspect-ratio: 1; }
}

/* Datenschutzverwaltung */
.actions-cell form { display: inline-flex; margin: 2px; }
.security-status-row span { display: grid; gap: 3px; }
.security-status-row span small { color: var(--muted); max-width: 52ch; }
.clean-list { margin: 0; padding-left: 20px; display: grid; gap: 9px; }
@media (max-width: 640px) {
    .actions-cell form { display: flex; width: 100%; margin: 3px 0; }
    .actions-cell form .button { width: 100%; }
    .security-status-row { align-items: flex-start; }
}


/* Version 1.6.1: kompakte Themenwahl, geschützte Cron-Anzeige und Anbieter-Webseite */
.visually-hidden { position: absolute !important; width: 1px !important; height: 1px !important; padding: 0 !important; margin: -1px !important; overflow: hidden !important; clip: rect(0, 0, 0, 0) !important; white-space: nowrap !important; border: 0 !important; }
.theme-icon { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.theme-options button:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.provider-website { color: var(--accent-dark); font-size: 12px; font-weight: 700; text-decoration: none; white-space: nowrap; }
.provider-website:hover { text-decoration: underline; }
.site-footer .provider-website { justify-self: center; }
.cron-secret-hidden { margin: 14px 0; padding: 12px 14px; border: 1px solid var(--line); border-radius: 8px; background: var(--surface-2); color: var(--muted); }
.cron-secret-hidden strong { color: var(--text); }
@media (max-width: 900px) {
    .site-footer { grid-template-columns: 1fr; justify-items: center; text-align: center; }
    .site-footer nav { justify-self: center; justify-content: center; }
}
@media (max-width: 520px) {
    .provider-website { white-space: normal; overflow-wrap: anywhere; }
}
.public-header-actions .theme-switcher.compact { width: auto; flex: 0 0 auto; }


/* Version 1.7.3: aktuelle Versionsnummer neben Abmelden */
.sidebar-account-links { width: 100%; align-items: center; }
.sidebar-account-links .app-version {
    margin-left: auto;
    padding: 2px 7px;
    border: 1px solid rgba(255,255,255,.14);
    border-radius: 999px;
    color: #93a1aa;
    background: rgba(255,255,255,.04);
    font-size: 10px;
    font-weight: 750;
    line-height: 1.5;
    letter-spacing: .025em;
    font-variant-numeric: tabular-nums;
    white-space: nowrap;
}
@media (max-width: 380px) {
    .sidebar-account-links { gap: 10px; }
    .sidebar-account-links .app-version { padding-inline: 6px; }
}


/* Version 1.8.1: Handbuchlinks und Release-Prüfung */
.cron-panel { overflow: visible; }
.cron-status-line { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin-bottom: 18px; flex-wrap: wrap; }
.cron-status-badge { display: inline-flex; align-items: center; min-height: 30px; padding: 5px 10px; border-radius: 999px; font-size: 12px; font-weight: 800; }
.cron-status-badge.is-active { color: #145c43; background: #e9f7f0; border: 1px solid #b8dfcc; }
.cron-status-badge.needs-check { color: #7a5100; background: #fff7e3; border: 1px solid #ead59d; }
.cron-details-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; margin-bottom: 16px; }
.cron-details-grid > div { display: grid; gap: 7px; padding: 13px 14px; border: 1px solid var(--line); border-radius: 9px; background: var(--surface-2); }
.field-label, .cron-url-label { display: block; color: var(--muted); font-size: 12px; font-weight: 750; margin-bottom: 7px; }
.cron-expression { width: max-content; max-width: 100%; padding: 5px 8px; border-radius: 6px; background: var(--surface); color: var(--text); font-size: 14px; overflow-wrap: anywhere; }
.copy-field { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 9px; align-items: stretch; }
.copy-field input { min-width: 0; font-family: ui-monospace, SFMono-Regular, Consolas, monospace; font-size: 12px; }
.copy-field .button { white-space: nowrap; }
:root[data-theme="dark"] .cron-status-badge.is-active { color: #9ce0bf; background: rgba(53, 141, 101, .16); border-color: rgba(114, 205, 164, .34); }
:root[data-theme="dark"] .cron-status-badge.needs-check { color: #f2d38a; background: rgba(175, 117, 20, .16); border-color: rgba(234, 197, 103, .30); }
@media (max-width: 680px) {
    .cron-details-grid { grid-template-columns: 1fr; }
    .copy-field { grid-template-columns: 1fr; }
    .copy-field .button { width: 100%; }
}

/* Version 2.0.3: lokales SVG für einen kontrastreichen, zuverlässig scanbaren 2FA-QR-Code */
#totp-qrcode .totp-qr-svg {
    display: block;
    width: 220px;
    height: 220px;
    max-width: 100%;
    background: #ffffff;
}
.qr-status { margin: 8px 0 0; text-align: center; color: var(--muted); font-size: 12px; }
.qr-status.is-ready { color: var(--success, #176b4d); }
.qr-status.is-error { color: var(--danger, #9d2c27); }
@media (max-width: 520px) {
    #totp-qrcode .totp-qr-svg { width: min(220px, 100%); height: auto; aspect-ratio: 1; }
}

/* Version 2.0.3: Mandanten-/Organisationauswahl */
.tenant-switcher,
.tenant-badge {
    margin-top: 10px;
    padding: 10px;
    border: 1px solid var(--border, #dfe5e9);
    border-radius: 8px;
    background: var(--panel, rgba(255,255,255,.04));
}
.tenant-switcher label,
.tenant-badge span {
    display: block;
    margin-bottom: 5px;
    color: var(--muted, #8fa0ad);
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .04em;
    text-transform: uppercase;
}
.tenant-switcher select {
    width: 100%;
    min-height: 38px;
    font-size: 13px;
}
.tenant-badge strong {
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: 13px;
}
.sync-form {
    display: flex;
    align-items: flex-end;
    gap: 10px;
    flex-wrap: wrap;
}
.compact-label {
    min-width: 230px;
    margin: 0;
}
.permission-panel code {
    white-space: nowrap;
}
@media (max-width: 720px) {
    .sync-form,
    .sync-form .button,
    .compact-label { width: 100%; }
}

/* Version 2.0.3: sichere Traccar-Gerätezuordnung */
.remote-device-list{display:grid;gap:.55rem;max-height:28rem;overflow:auto;padding:.2rem}.remote-device-option{display:grid;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:.75rem;padding:.75rem;border:1px solid var(--border,#d4dfdb);border-radius:.6rem;background:var(--panel,#fff)}.remote-device-option small{display:block;color:var(--muted,#64736e);margin-top:.18rem}.remote-device-assignment{font-size:.82rem;color:var(--muted,#64736e);text-align:right}.remote-device-option.is-assigned{opacity:.68}.remote-device-option input{width:1.1rem;height:1.1rem}@media(max-width:700px){.remote-device-option{grid-template-columns:auto minmax(0,1fr)}.remote-device-assignment{grid-column:2;text-align:left}}

/* Version 2.0.4: Filter und Anmeldeprotokoll */
.filter-grid{display:grid;grid-template-columns:repeat(4,minmax(150px,1fr));gap:14px;padding:20px;align-items:end}.filter-actions{display:flex;gap:8px;align-items:end}.pagination{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;padding:18px}.status-danger{background:var(--danger-soft);color:var(--danger)}.subpanel{border:1px solid var(--border);border-radius:10px;padding:16px;background:var(--surface-subtle)}
@media(max-width:1000px){.filter-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:620px){.filter-grid{grid-template-columns:1fr}.filter-actions{width:100%}.filter-actions .button{flex:1}}


/* Version 2.0.5: Handbücher in neuem Tab und moderne Kontaktsymbole */
.nav-link .external-link-indicator {
    margin-left: auto;
    color: currentColor;
    opacity: .62;
    font-size: 13px;
    line-height: 1;
}
.nav-link:hover .external-link-indicator,
.nav-link:focus-visible .external-link-indicator { opacity: 1; }
.contact-symbol {
    border: 1px solid rgba(19, 121, 91, .22);
    box-shadow: 0 6px 16px rgba(19, 121, 91, .10);
}
.contact-icon {
    width: 21px;
    height: 21px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
}
:root[data-theme="dark"] .contact-symbol {
    border-color: rgba(114, 205, 164, .28);
    box-shadow: none;
}

/* Version 2.0.6: Organisations-Lebenszyklus und zentrale Traccar-Zertifikatsübersicht */
.actions-cell .inline-form{display:inline-flex;margin:0 0 0 6px}.url-code{display:block;max-width:420px;overflow-wrap:anywhere;white-space:normal}.table-wrap td small{display:block;margin-top:4px;color:var(--muted);line-height:1.4}.certificate-fingerprint{font-family:ui-monospace,SFMono-Regular,Consolas,monospace;overflow-wrap:anywhere}.danger-zone-panel .details-list{margin:14px 0}.danger-zone-panel form{max-width:720px}
@media(max-width:780px){.actions-cell .inline-form{margin:6px 0 0}.url-code{max-width:100%}}


/* Version 2.0.7: vollständige Anmeldung und organisationsweite Protokollierung */
.complete-login-panel{max-width:980px}.auth-progress{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin:0 0 22px}.auth-progress span{display:flex;align-items:center;gap:8px;min-width:0;padding:9px 10px;border:1px solid var(--line);border-radius:9px;color:var(--muted);font-size:.84rem;font-weight:700}.auth-progress b{display:grid;place-items:center;width:24px;height:24px;border-radius:50%;background:var(--surface-muted);color:var(--muted);font-size:.75rem}.auth-progress .is-current{border-color:var(--accent);color:var(--text);background:color-mix(in srgb,var(--accent) 8%,var(--panel))}.auth-progress .is-current b,.auth-progress .is-complete b{background:var(--accent);color:#fff}.auth-progress .is-complete{color:var(--text)}.password-field{display:flex;align-items:stretch}.password-field input{flex:1;min-width:0;border-top-right-radius:0;border-bottom-right-radius:0}.password-toggle{border:1px solid var(--line);border-left:0;border-radius:0 8px 8px 0;background:var(--surface-muted);color:var(--text);padding:0 14px;font-weight:700;cursor:pointer}.caps-lock-note{color:var(--warning);font-weight:700}.login-security-note{margin-top:18px;padding:12px 14px;border-radius:9px;background:var(--surface-muted);color:var(--muted);font-size:.88rem}.auth-log-stats{margin-bottom:18px}.auth-log-filter{grid-template-columns:repeat(3,minmax(0,1fr))}.auth-log-filter .filter-actions{grid-column:1/-1;display:flex;flex-wrap:wrap;gap:8px}.auth-log-stats .stat-card strong{font-size:1.65rem}@media(max-width:900px){.auth-log-filter{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:640px){.auth-progress{grid-template-columns:1fr}.auth-progress span{padding:7px 9px}.auth-log-filter{grid-template-columns:1fr}.password-toggle{padding-inline:11px}.complete-login-panel{width:100%}}


/* Version 2.0.9: reduzierte Anmeldung und kompakte Log-Kennzahlen */
.auth-log-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 10px;
    margin-bottom: 14px;
}
.auth-log-stats .stat-card {
    min-height: 104px;
    padding: 12px 14px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    box-shadow: 0 3px 12px rgba(20, 36, 50, .045);
}
.auth-log-stats .stat-card span {
    font-size: 11px;
    line-height: 1.25;
}
.auth-log-stats .stat-card strong {
    margin: 3px 0 1px;
    font-size: 1.45rem;
    line-height: 1.05;
}
.auth-log-stats .stat-card small {
    color: var(--muted);
    font-size: 11px;
    line-height: 1.25;
}
.complete-login-panel .login-card > .form-stack:first-of-type { margin-top: 0; }
@media (max-width: 860px) {
    .auth-log-stats { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 460px) {
    .auth-log-stats { grid-template-columns: 1fr; gap: 8px; }
    .auth-log-stats .stat-card { min-height: 88px; padding: 10px 12px; }
}


/* Version 2.0.9: Auge für Kennwortanzeige und suchmaschinenfreundliche öffentliche Startseite */
.password-toggle {
    width: 48px;
    min-width: 48px;
    padding: 0;
    display: grid;
    place-items: center;
}
.password-eye {
    width: 22px;
    height: 22px;
    fill: none;
    stroke: currentColor;
    stroke-width: 1.8;
    stroke-linecap: round;
    stroke-linejoin: round;
}
.password-eye-slash { opacity: 0; }
.password-toggle.is-visible .password-eye-slash { opacity: 1; }
.password-toggle:hover,
.password-toggle:focus-visible { background: color-mix(in srgb, var(--accent) 10%, var(--surface-muted)); color: var(--accent); }

.public-brand { text-decoration: none; }
.seo-hero {
    display: grid;
    grid-template-columns: minmax(0, 1.35fr) minmax(260px, .65fr);
    gap: 28px;
    align-items: center;
    padding: clamp(24px, 5vw, 54px);
    border: 1px solid var(--line);
    border-radius: 18px;
    background: linear-gradient(135deg, color-mix(in srgb, var(--accent) 10%, var(--panel)), var(--panel));
    box-shadow: 0 18px 50px rgba(20, 36, 50, .08);
}
.seo-hero h1 { margin: 0 0 14px; font-size: clamp(2rem, 5vw, 3.25rem); line-height: 1.05; letter-spacing: -.035em; }
.seo-hero p { margin: 0; max-width: 64ch; color: var(--muted); font-size: 1.08rem; }
.seo-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.seo-battery-card { padding: 24px; border-radius: 14px; background: var(--surface); border: 1px solid var(--line); text-align: center; }
.seo-battery-card .brand-mark { margin: 0 auto 14px; transform: scale(1.45); }
.seo-battery-card strong { display: block; font-size: 1.25rem; }
.seo-battery-card span { color: var(--muted); }
.seo-section { margin-top: 24px; }
.seo-section > h2 { margin-bottom: 8px; }
.seo-section > p { color: var(--muted); max-width: 76ch; }
.seo-feature-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; margin-top: 16px; }
.seo-feature { padding: 20px; border: 1px solid var(--line); border-radius: 13px; background: var(--panel); }
.seo-feature h3 { margin: 0 0 7px; font-size: 1.02rem; }
.seo-feature p { margin: 0; color: var(--muted); }
.seo-facts { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; margin-top: 16px; }
.seo-fact { padding: 16px; border-radius: 11px; background: var(--surface-muted); text-align: center; }
.seo-fact strong { display: block; font-size: 1.2rem; }
.seo-fact span { color: var(--muted); font-size: .88rem; }
@media (max-width: 840px) {
    .seo-hero { grid-template-columns: 1fr; }
    .seo-feature-grid { grid-template-columns: 1fr 1fr; }
    .seo-facts { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
    .seo-hero { padding: 24px 20px; }
    .seo-feature-grid, .seo-facts { grid-template-columns: 1fr; }
    .seo-actions .button { width: 100%; text-align: center; }
}


/* Version 2.0.10: kompakte Systemadministrator-Kennzahlen */
.system-stat-grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
    gap: 9px;
    margin-bottom: 14px;
}
.system-stat-grid .stat-card {
    min-height: 88px;
    padding: 10px 12px;
    border-radius: 10px;
    box-shadow: 0 3px 12px rgba(20, 36, 50, .04);
}
.system-stat-grid .stat-card span {
    font-size: 10.5px;
    line-height: 1.2;
}
.system-stat-grid .stat-card strong {
    margin-top: 2px;
    font-size: 1.35rem;
    line-height: 1.05;
}
.system-stat-grid .stat-card small {
    display: block;
    margin-top: 3px;
    color: var(--muted);
    font-size: 10.5px;
    line-height: 1.2;
}
@media (max-width: 1180px) {
    .system-stat-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (max-width: 720px) {
    .system-stat-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 430px) {
    .system-stat-grid { grid-template-columns: 1fr; }
}


/* Version 2.0.12: rahmenlose Kontaktsymbole und skalierbares Anmeldeprotokoll */
.contact-symbol {
    width: 30px;
    height: 30px;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
    color: var(--accent);
    place-items: start center;
}
.contact-icon {
    width: 26px;
    height: 26px;
    stroke-width: 1.9;
}
:root[data-theme="dark"] .contact-symbol {
    border: 0;
    background: transparent;
    box-shadow: none;
    color: var(--accent);
}
.pagination-summary {
    padding: 14px 18px 0;
    color: var(--muted);
    font-size: .84rem;
    text-align: center;
}
.pagination .button.small {
    min-width: 38px;
    justify-content: center;
}
@media (max-width: 620px) {
    .pagination { gap: 5px; padding-inline: 10px; }
    .pagination .button.small { min-width: 34px; padding-inline: 9px; }
}

/* Version 2.0.13: sicherer Organisationszugriff für Systemadministratoren */
.impersonation-banner{display:flex;align-items:center;justify-content:space-between;gap:16px;margin:0 0 18px;padding:14px 16px;border:1px solid var(--warning-border,#d8a400);border-radius:12px;background:var(--warning-bg,#fff7d6)}
.impersonation-banner>div{min-width:0}.impersonation-banner strong{display:block;margin-bottom:3px}.impersonation-banner span{display:block;color:var(--muted);line-height:1.45}.impersonation-banner form{flex:0 0 auto;margin:0}
.button:disabled{cursor:not-allowed;opacity:.55}
@media(max-width:780px){.impersonation-banner{align-items:stretch;flex-direction:column}.impersonation-banner form,.impersonation-banner .button{width:100%}}