/*
 * Immoware Hub, handgeschriebenes Stylesheet der Admin-Oberfläche und der Security-Views.
 * Kein Build, keine externen Fonts, keine CDNs. Hell und dunkel über prefers-color-scheme.
 * Namensraum: alle Klassen beginnen mit hub-.
 */

:root {
    --hub-font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --hub-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;

    --hub-bg: #f4f6f8;
    --hub-surface: #ffffff;
    --hub-surface-2: #eef1f4;
    --hub-border: #d6dbe1;
    --hub-text: #1d2429;
    --hub-text-muted: #5d6b78;
    --hub-link: #0b5fa5;
    --hub-focus: #2b7de9;

    --hub-primary: #0b5fa5;
    --hub-primary-text: #ffffff;
    --hub-danger: #b3261e;
    --hub-danger-text: #ffffff;

    --hub-ok-bg: #e2f3e8; --hub-ok-fg: #1d6b3b; --hub-ok-border: #9fd3b2;
    --hub-warn-bg: #fdf1dc; --hub-warn-fg: #8a5a00; --hub-warn-border: #f0cf8a;
    --hub-fail-bg: #fbe3e1; --hub-fail-fg: #9b1c14; --hub-fail-border: #f0a7a1;
    --hub-unknown-bg: #e9ecf0; --hub-unknown-fg: #4b5762; --hub-unknown-border: #c9d1da;
    --hub-disabled-bg: #f1f1f1; --hub-disabled-fg: #7b7b7b; --hub-disabled-border: #d9d9d9;

    --hub-radius: 6px;
    --hub-shadow: 0 1px 2px rgba(20, 30, 40, 0.06);
    --hub-header-h: 52px;
    --hub-sidebar-w: 240px;
}

@media (prefers-color-scheme: dark) {
    :root {
        --hub-bg: #0f1418;
        --hub-surface: #171d23;
        --hub-surface-2: #1f272f;
        --hub-border: #2c3742;
        --hub-text: #e4e9ee;
        --hub-text-muted: #98a5b2;
        --hub-link: #6fb1f0;
        --hub-focus: #8cc2ff;

        --hub-primary: #2f7fd0;
        --hub-primary-text: #ffffff;
        --hub-danger: #d9534f;
        --hub-danger-text: #ffffff;

        --hub-ok-bg: #12301d; --hub-ok-fg: #8fd8a8; --hub-ok-border: #23573a;
        --hub-warn-bg: #3a2c0c; --hub-warn-fg: #f2c66d; --hub-warn-border: #6d5216;
        --hub-fail-bg: #3b1512; --hub-fail-fg: #f39a93; --hub-fail-border: #6e2621;
        --hub-unknown-bg: #232b33; --hub-unknown-fg: #aeb9c4; --hub-unknown-border: #3a4652;
        --hub-disabled-bg: #1c2126; --hub-disabled-fg: #7e8891; --hub-disabled-border: #2e353c;

        --hub-shadow: 0 1px 2px rgba(0, 0, 0, 0.4);
    }
}

/* Grundlayout */

*, *::before, *::after { box-sizing: border-box; }

html { font-size: 15px; }

body.hub-body {
    margin: 0;
    font-family: var(--hub-font);
    color: var(--hub-text);
    background: var(--hub-bg);
    line-height: 1.45;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

a { color: var(--hub-link); }
a:hover { text-decoration: underline; }

:focus-visible { outline: 2px solid var(--hub-focus); outline-offset: 2px; }

h1, h2, h3 { line-height: 1.25; margin: 0 0 0.6rem; font-weight: 600; }
h1 { font-size: 1.45rem; }
h2 { font-size: 1.15rem; margin-top: 0.25rem; }
h3 { font-size: 1rem; }

p { margin: 0 0 0.75rem; }

.hub-skip {
    position: absolute; left: -999px; top: 0; background: var(--hub-surface); padding: 0.4rem 0.8rem; z-index: 100;
}
.hub-skip:focus { left: 0.5rem; top: 0.5rem; }

.hub-muted { color: var(--hub-text-muted); }
.hub-small { font-size: 0.85rem; }
.hub-break { word-break: break-all; }
.hub-mono, code, pre, kbd { font-family: var(--hub-mono); font-size: 0.88em; }
code.hub-mono { background: var(--hub-surface-2); padding: 0.05rem 0.3rem; border-radius: 3px; }

/* Kopfzeile */

.hub-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    min-height: var(--hub-header-h);
    padding: 0 1rem;
    background: var(--hub-surface);
    border-bottom: 1px solid var(--hub-border);
    position: sticky;
    top: 0;
    z-index: 20;
}

.hub-brand {
    font-weight: 700;
    font-size: 1.05rem;
    color: var(--hub-text);
    text-decoration: none;
    letter-spacing: 0.01em;
}
.hub-brand:hover { text-decoration: none; }

.hub-env {
    font-family: var(--hub-mono);
    font-size: 0.72rem;
    text-transform: uppercase;
    padding: 0.1rem 0.45rem;
    border-radius: 999px;
    border: 1px solid var(--hub-unknown-border);
    background: var(--hub-unknown-bg);
    color: var(--hub-unknown-fg);
}
.hub-env-production { background: var(--hub-ok-bg); color: var(--hub-ok-fg); border-color: var(--hub-ok-border); }
.hub-env-staging { background: var(--hub-warn-bg); color: var(--hub-warn-fg); border-color: var(--hub-warn-border); }
.hub-env-local, .hub-env-testing { background: var(--hub-fail-bg); color: var(--hub-fail-fg); border-color: var(--hub-fail-border); }

.hub-nav {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 0.9rem;
    flex-wrap: wrap;
    font-size: 0.92rem;
}
.hub-user small { color: var(--hub-text-muted); }

.hub-inline-form { display: inline; margin: 0; }

.hub-nav-toggle {
    display: none;
    border: 1px solid var(--hub-border);
    background: var(--hub-surface-2);
    color: var(--hub-text);
    padding: 0.3rem 0.6rem;
    border-radius: var(--hub-radius);
    cursor: pointer;
}

/* Rahmen mit Seitennavigation */

.hub-shell { display: flex; flex: 1 1 auto; min-height: 0; }

.hub-sidebar {
    width: var(--hub-sidebar-w);
    flex: 0 0 var(--hub-sidebar-w);
    background: var(--hub-surface);
    border-right: 1px solid var(--hub-border);
    padding: 0.75rem 0;
    position: sticky;
    top: var(--hub-header-h);
    align-self: flex-start;
    max-height: calc(100vh - var(--hub-header-h));
    overflow-y: auto;
}

.hub-sidenav ul { list-style: none; margin: 0; padding: 0; }
.hub-sidenav-link {
    display: block;
    padding: 0.45rem 1rem;
    color: var(--hub-text);
    text-decoration: none;
    border-left: 3px solid transparent;
    font-size: 0.94rem;
}
.hub-sidenav-link:hover { background: var(--hub-surface-2); text-decoration: none; }
.hub-sidenav-link.is-active { border-left-color: var(--hub-primary); background: var(--hub-surface-2); font-weight: 600; }
.hub-sidenav-link.is-disabled { color: var(--hub-text-muted); cursor: default; }
.hub-sidenav-link small { font-size: 0.72rem; color: var(--hub-text-muted); }

.hub-main {
    flex: 1 1 auto;
    min-width: 0;
    padding: 1.25rem 1.5rem 2rem;
    max-width: 1400px;
}

/* Security-Views ohne Sidebar: Hauptbereich zentriert */
body.hub-body:not(.hub-admin) > .hub-main { width: 100%; max-width: 1100px; margin: 0 auto; }

.hub-footer {
    padding: 0.75rem 1rem;
    font-size: 0.8rem;
    color: var(--hub-text-muted);
    border-top: 1px solid var(--hub-border);
    background: var(--hub-surface);
}

.hub-page-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; flex-wrap: wrap; margin-bottom: 0.5rem; }
.hub-page-actions { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.hub-page-meta { font-size: 0.85rem; margin-bottom: 1rem; }

.hub-section { margin-bottom: 1.75rem; }

/* Karten */

.hub-card {
    background: var(--hub-surface);
    border: 1px solid var(--hub-border);
    border-radius: var(--hub-radius);
    box-shadow: var(--hub-shadow);
    padding: 1.1rem 1.25rem;
    margin-bottom: 1rem;
}
.hub-card-narrow { max-width: 440px; margin: 2.5rem auto; }
.hub-card h1 { font-size: 1.3rem; }

.hub-card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1rem; }

/* Kennzahlen */

.hub-stat-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 0.75rem; }

.hub-stat {
    background: var(--hub-surface);
    border: 1px solid var(--hub-border);
    border-radius: var(--hub-radius);
    padding: 0.8rem 0.95rem;
    box-shadow: var(--hub-shadow);
    border-top-width: 3px;
}
.hub-stat-label { font-size: 0.8rem; color: var(--hub-text-muted); text-transform: uppercase; letter-spacing: 0.03em; }
.hub-stat-value { font-size: 1.7rem; font-weight: 600; font-variant-numeric: tabular-nums; margin-top: 0.15rem; }
.hub-stat-value a { color: inherit; text-decoration: none; }
.hub-stat-value a:hover { text-decoration: underline; }
.hub-stat-hint { font-size: 0.78rem; color: var(--hub-text-muted); margin-top: 0.2rem; }
.hub-stat-ok { border-top-color: var(--hub-ok-fg); }
.hub-stat-warn { border-top-color: var(--hub-warn-fg); }
.hub-stat-fail { border-top-color: var(--hub-fail-fg); }
.hub-stat-unknown { border-top-color: var(--hub-unknown-fg); }
.hub-stat-disabled { border-top-color: var(--hub-disabled-fg); }

/* Statusbadges */

.hub-badge {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    line-height: 1.2;
    padding: 0.15rem 0.5rem;
    border-radius: 999px;
    border: 1px solid transparent;
    white-space: nowrap;
    vertical-align: middle;
}
.hub-badge-ok { background: var(--hub-ok-bg); color: var(--hub-ok-fg); border-color: var(--hub-ok-border); }
.hub-badge-warn { background: var(--hub-warn-bg); color: var(--hub-warn-fg); border-color: var(--hub-warn-border); }
.hub-badge-fail { background: var(--hub-fail-bg); color: var(--hub-fail-fg); border-color: var(--hub-fail-border); }
.hub-badge-unknown { background: var(--hub-unknown-bg); color: var(--hub-unknown-fg); border-color: var(--hub-unknown-border); }
.hub-badge-disabled { background: var(--hub-disabled-bg); color: var(--hub-disabled-fg); border-color: var(--hub-disabled-border); }

/* Meldungen */

.hub-alert {
    padding: 0.7rem 0.95rem;
    border-radius: var(--hub-radius);
    border: 1px solid var(--hub-border);
    background: var(--hub-surface);
    margin-bottom: 1rem;
}
.hub-alert ul { margin: 0; padding-left: 1.2rem; }
.hub-alert-info { background: var(--hub-surface-2); }
.hub-alert-success { background: var(--hub-ok-bg); color: var(--hub-ok-fg); border-color: var(--hub-ok-border); }
.hub-alert-warning { background: var(--hub-warn-bg); color: var(--hub-warn-fg); border-color: var(--hub-warn-border); }
.hub-alert-error { background: var(--hub-fail-bg); color: var(--hub-fail-fg); border-color: var(--hub-fail-border); }

/* Tabellen */

.hub-table-wrapper { overflow-x: auto; background: var(--hub-surface); border: 1px solid var(--hub-border); border-radius: var(--hub-radius); box-shadow: var(--hub-shadow); margin-bottom: 1rem; }

.hub-table { width: 100%; border-collapse: collapse; font-size: 0.92rem; }
.hub-table caption { text-align: left; padding: 0.6rem 0.9rem; font-weight: 600; }
.hub-table th, .hub-table td { padding: 0.55rem 0.9rem; text-align: left; vertical-align: top; border-bottom: 1px solid var(--hub-border); }
.hub-table th { font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.03em; color: var(--hub-text-muted); background: var(--hub-surface-2); white-space: nowrap; }
.hub-table tbody tr:last-child td { border-bottom: none; }
.hub-table tbody tr:hover td { background: var(--hub-surface-2); }
.hub-table td.hub-num, .hub-table th.hub-num { text-align: right; font-variant-numeric: tabular-nums; }
.hub-table-empty { color: var(--hub-text-muted); text-align: center; padding: 1.5rem; }

.hub-pagination { display: flex; align-items: center; gap: 0.75rem; padding: 0.6rem 0.9rem; border-top: 1px solid var(--hub-border); font-size: 0.88rem; }
.hub-pagination-link { padding: 0.25rem 0.6rem; border: 1px solid var(--hub-border); border-radius: var(--hub-radius); text-decoration: none; }
.hub-pagination-link.is-disabled { color: var(--hub-text-muted); }
.hub-pagination-info { color: var(--hub-text-muted); margin-left: auto; margin-right: auto; }

/* Schlüssel-Wert-Listen und Herkunft */

.hub-kv { margin: 0 0 1rem; display: grid; grid-template-columns: minmax(140px, 220px) 1fr; gap: 0.35rem 1rem; }
.hub-kv-title { grid-column: 1 / -1; font-weight: 600; }
.hub-kv-row { display: contents; }
.hub-kv dt { color: var(--hub-text-muted); font-size: 0.88rem; }
.hub-kv dd { margin: 0; overflow-wrap: anywhere; }

.hub-provenance {
    background: var(--hub-surface-2);
    border: 1px dashed var(--hub-border);
    border-radius: var(--hub-radius);
    padding: 0.7rem 0.9rem;
    font-size: 0.86rem;
    margin-bottom: 1rem;
}
.hub-provenance-title { font-weight: 600; margin-bottom: 0.35rem; color: var(--hub-text-muted); text-transform: uppercase; font-size: 0.74rem; letter-spacing: 0.04em; }
.hub-provenance dl { margin: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 0.3rem 1rem; }
.hub-provenance dl > div { display: flex; flex-direction: column; }
.hub-provenance dt { color: var(--hub-text-muted); font-size: 0.76rem; }
.hub-provenance dd { margin: 0; overflow-wrap: anywhere; }
.hub-provenance.is-compact dl { display: flex; flex-wrap: wrap; gap: 0.3rem 1.25rem; }

/* Formulare */

.hub-form { display: flex; flex-direction: column; gap: 0.5rem; }
.hub-form label, .hub-confirm-body label { font-size: 0.88rem; font-weight: 600; margin-top: 0.4rem; }
.hub-form-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 0.75rem; }
.hub-form-actions { display: flex; gap: 0.5rem; flex-wrap: wrap; margin-top: 0.75rem; }

input[type="text"], input[type="email"], input[type="password"], input[type="number"], input[type="url"], input[type="search"], input[type="datetime-local"], input[type="date"],
select, textarea {
    font: inherit;
    color: var(--hub-text);
    background: var(--hub-surface);
    border: 1px solid var(--hub-border);
    border-radius: var(--hub-radius);
    padding: 0.5rem 0.65rem;
    width: 100%;
    max-width: 100%;
}
textarea { min-height: 5rem; resize: vertical; }
input:disabled, select:disabled, textarea:disabled { background: var(--hub-disabled-bg); color: var(--hub-disabled-fg); }
input:invalid:not(:placeholder-shown) { border-color: var(--hub-fail-border); }

.hub-checkbox { display: flex; align-items: center; gap: 0.5rem; font-weight: 400; }
.hub-checkbox input { width: auto; }

.hub-hint { font-size: 0.85rem; color: var(--hub-text-muted); margin-top: 0.75rem; }
.hub-help { font-size: 0.82rem; color: var(--hub-text-muted); }

/* Schaltflächen */

.hub-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.35rem;
    font: inherit;
    font-weight: 600;
    font-size: 0.92rem;
    color: var(--hub-primary-text);
    background: var(--hub-primary);
    border: 1px solid transparent;
    border-radius: var(--hub-radius);
    padding: 0.5rem 0.95rem;
    cursor: pointer;
    text-decoration: none;
    line-height: 1.2;
    margin-top: 0.4rem;
}
.hub-button:hover { filter: brightness(1.08); text-decoration: none; }
.hub-button:disabled, .hub-button[aria-disabled="true"] { opacity: 0.55; cursor: not-allowed; }
.hub-button-secondary { background: var(--hub-surface-2); color: var(--hub-text); border-color: var(--hub-border); }
.hub-button-danger { background: var(--hub-danger); color: var(--hub-danger-text); }
.hub-button-small { padding: 0.3rem 0.65rem; font-size: 0.82rem; margin-top: 0; }
.hub-button-link { background: none; border: none; color: var(--hub-link); padding: 0; font-weight: 400; }

/* Bestätigungsdialog (details/summary, ohne JS funktionsfähig) */

.hub-confirm { display: inline-block; }
.hub-confirm > summary { list-style: none; }
.hub-confirm > summary::-webkit-details-marker { display: none; }
.hub-confirm-body {
    margin-top: 0.6rem;
    padding: 0.9rem 1rem;
    background: var(--hub-surface);
    border: 1px solid var(--hub-fail-border);
    border-radius: var(--hub-radius);
    box-shadow: var(--hub-shadow);
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    max-width: 520px;
}
.hub-confirm-text { margin: 0; }

/* Details und Monospace-Bereiche */

.hub-details { margin: 0.5rem 0; }
.hub-details summary { cursor: pointer; font-weight: 600; }

.hub-pre {
    margin: 0;
    padding: 0.75rem 0.9rem;
    background: var(--hub-surface-2);
    border: 1px solid var(--hub-border);
    border-radius: var(--hub-radius);
    overflow: auto;
    max-height: 480px;
    white-space: pre;
    font-size: 0.82rem;
    line-height: 1.45;
    tab-size: 2;
}
.hub-json { margin-bottom: 1rem; }
.hub-json-title { font-weight: 600; font-size: 0.88rem; margin-bottom: 0.3rem; }
.hub-json-collapsible summary { cursor: pointer; color: var(--hub-link); font-size: 0.88rem; margin-bottom: 0.3rem; }

/* Responsiv */

@media (max-width: 900px) {
    .hub-nav-toggle { display: inline-block; }
    .hub-shell { flex-direction: column; }
    .hub-sidebar {
        display: none;
        width: 100%;
        flex-basis: auto;
        position: static;
        max-height: none;
        border-right: none;
        border-bottom: 1px solid var(--hub-border);
    }
    .hub-sidebar.is-open { display: block; }
    .hub-sidenav ul { display: flex; flex-wrap: wrap; gap: 0.15rem; padding: 0 0.5rem; }
    .hub-sidenav-link { border-left: none; border-bottom: 2px solid transparent; padding: 0.4rem 0.6rem; }
    .hub-sidenav-link.is-active { border-bottom-color: var(--hub-primary); }
    .hub-main { padding: 1rem; }
    .hub-kv { grid-template-columns: 1fr; gap: 0.1rem; }
    .hub-kv dt { margin-top: 0.4rem; }
}

@media (max-width: 600px) {
    html { font-size: 14px; }
    .hub-header { flex-wrap: wrap; padding: 0.5rem 0.75rem; }
    .hub-nav { margin-left: 0; width: 100%; }
    .hub-card-narrow { margin: 1rem auto; }
    .hub-stat-grid { grid-template-columns: repeat(2, 1fr); }
}

@media print {
    .hub-header, .hub-sidebar, .hub-footer, .hub-page-actions, .hub-confirm { display: none !important; }
    .hub-main { padding: 0; max-width: none; }
    .hub-table-wrapper { overflow: visible; box-shadow: none; }
}

/* Anmeldung (Security-Modul, nur Klassen) */

.hub-auth-card { margin-top: 4rem; padding: 1.5rem 1.75rem; }
.hub-auth-title { text-align: center; margin-bottom: 1rem; }
.hub-button-block { width: 100%; margin-top: 0.9rem; }