*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --bg:           #16161e;
    --surface:      #1e1e2e;
    --surface-alt:  #292938;
    --accent:       #5fa876;
    --accent-hover: #4a8d62;
    --text:         #cdd6f4;
    --text-muted:   #6c7086;
    --border:       #313244;
    --success:      #5fa876;
    --warning:      #f9e2af;
    --danger:       #f38ba8;
    --wlan:         #89b4fa;
    --radius:       8px;
    --shadow:       0 8px 32px rgba(0,0,0,.35);
}

body {
    font-family: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    cursor: default;
}

input[type="text"], input[type="password"], input[type="email"], input[type="date"], input[type="number"], textarea { cursor: text; }

/* ── Header ── */
header { background: var(--surface); border-bottom: 1px solid var(--border); }
.header-inner {
    max-width: 1340px; margin: 0 auto; padding: 0 1.5rem;
    display: flex; align-items: center; height: 56px; gap: 1.5rem;
}
.header-actions { display: flex; align-items: center; gap: .5rem; }
.header-btn { padding: .4rem .8rem; font-size: .82rem; }
.logo { display: flex; align-items: center; gap: .6rem; color: var(--text); text-decoration: none; }
.logo-icon { display: flex; align-items: center; justify-content: center; font-size: 1.4rem; color: var(--accent); }
.logo-name { font-size: .95rem; font-weight: 600; color: var(--accent); letter-spacing: .1em; text-transform: uppercase; }
.logo-sub { font-size: .68rem; color: var(--text-muted); letter-spacing: .04em; }

.nav-links { display: flex; align-items: center; gap: .25rem; list-style: none; }
.nav-links a {
    display: inline-block; padding: .45rem .8rem; border-radius: 6px;
    color: var(--text-muted); text-decoration: none; font-size: .85rem; font-weight: 500;
    transition: color .12s, background .12s;
}
.nav-links a:hover { color: var(--text); background: var(--surface-alt); }
.nav-links a.active { color: var(--accent); background: rgba(95,168,118,.1); }
.nav-user { display: flex; align-items: center; gap: .6rem; font-size: .82rem; color: var(--text-muted); }

.header-search {
    display: flex; align-items: center; gap: .5rem; width: 100%; max-width: 380px;
    background: var(--bg); border: 1px solid var(--border); border-radius: 6px; padding: .4rem .7rem;
}
.header-search .mdi { color: var(--text-muted); font-size: 1rem; flex-shrink: 0; }
.header-search input[type="text"] { border: none; background: none; padding: 0; width: 100%; font-size: .85rem; }
.header-search input[type="text"]:focus { outline: none; box-shadow: none; border-color: transparent; }

.header-collapse { display: flex; align-items: center; gap: 1.5rem; flex: 1; min-width: 0; }
.header-search-wrap { flex: 1; display: flex; justify-content: center; min-width: 0; }

.menu-toggle {
    display: none; align-items: center; justify-content: center; margin-left: auto;
    width: 38px; height: 38px; border-radius: 6px; border: 1px solid var(--border);
    background: none; color: var(--text); font-size: 1.25rem; cursor: pointer; flex-shrink: 0;
}
.menu-toggle:hover { background: var(--surface-alt); }

/* ── Mobil ── */
@media (max-width: 860px) {
    .header-inner { height: auto; min-height: 56px; flex-wrap: wrap; padding: .6rem 1rem; gap: .6rem; }
    .menu-toggle { display: flex; }
    .header-collapse {
        display: none; flex-direction: column; align-items: stretch; width: 100%;
        flex-basis: 100%; order: 3; gap: 1rem; padding-top: .8rem; border-top: 1px solid var(--border);
    }
    .header-collapse.is-open { display: flex; }
    .nav-links { flex-direction: column; align-items: stretch; gap: .15rem; }
    .nav-links a { padding: .65rem .8rem; }
    .header-search-wrap { justify-content: stretch; }
    .header-search { max-width: none; }
    .header-actions { flex-direction: column; align-items: stretch; gap: .6rem; }
    .header-actions .btn { justify-content: center; }
}

@media (max-width: 600px) {
    main { margin: 1.25rem auto; padding: 0 1rem; }
    .card { padding: 1.1rem 1.1rem; }
    h1 { font-size: 1.15rem; }
    .form-grid { grid-template-columns: 1fr; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .data-table th, .data-table td { padding: .5rem .55rem; font-size: .78rem; }
    .viewer-overlay { padding: .75rem; }
}

/* ── Main ── */
main { flex: 1; max-width: 1340px; margin: 2.25rem auto; padding: 0 1.5rem; width: 100%; }
h1 { font-size: 1.35rem; font-weight: 600; color: var(--text); margin-bottom: .4rem; }
.page-sub { color: var(--text-muted); font-size: .9rem; margin-bottom: 2rem; }

/* ── Card ── */
.card { background: var(--surface); border-radius: var(--radius); border: 1px solid var(--border); padding: 1.5rem 1.75rem; margin-bottom: 1.25rem; }
.card-title {
    font-size: .7rem; font-weight: 700; color: var(--text-muted);
    text-transform: uppercase; letter-spacing: .14em; margin-bottom: 1.1rem;
    display: flex; align-items: center; gap: .55rem;
}
.card-title::before { content: ''; display: inline-block; width: 3px; height: 14px; background: var(--accent); border-radius: 2px; }

/* ── Buttons ── */
.btn {
    display: inline-flex; align-items: center; gap: .4rem; padding: .5rem 1.1rem;
    border-radius: 6px; font-size: .85rem; font-weight: 500; cursor: pointer;
    border: 1px solid transparent; transition: background .12s, color .12s, border-color .12s, transform .1s;
    text-decoration: none;
}
.btn .mdi { font-size: 1rem; }
.btn:active { transform: translateY(1px); }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); }
.btn-outline { background: none; color: var(--text-muted); border-color: var(--border); }
.btn-outline:hover { color: var(--text); border-color: var(--text-muted); }
.btn-danger-outline { background: none; color: var(--danger); border-color: rgba(243,139,168,.4); }
.btn-danger-outline:hover { background: rgba(243,139,168,.1); }
.form-actions { display: flex; gap: .75rem; flex-wrap: wrap; margin-top: 1.4rem; }

/* ── Alerts ── */
.alert { display: flex; align-items: flex-start; gap: .55rem; border-radius: 6px; padding: .75rem 1rem; margin-bottom: 1rem; font-size: .85rem; }
.alert .mdi { font-size: 1.05rem; flex-shrink: 0; margin-top: .03rem; }
.alert-danger  { background: rgba(243,139,168,.08); border: 1px solid rgba(243,139,168,.3); color: var(--danger); }
.alert-success { background: rgba(95,168,118,.1);  border: 1px solid rgba(95,168,118,.35); color: var(--accent); }
.alert-warning { background: rgba(249,226,175,.07); border: 1px solid rgba(249,226,175,.28); color: var(--warning); }

/* ── Stats ── */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: .75rem; margin-bottom: 1.25rem; }
.stat-box { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 1rem 1.2rem; text-align: center; }
.stat-number { font-size: 1.8rem; font-weight: 700; color: var(--text); }
.stat-label { font-size: .72rem; color: var(--text-muted); margin-top: .15rem; text-transform: uppercase; letter-spacing: .08em; }

/* ── Formulare ── */
.form-group { margin-bottom: 1.1rem; }
.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1rem 1.25rem; }
.field-label { display: block; font-size: .68rem; font-weight: 600; color: var(--text-muted); text-transform: uppercase; letter-spacing: .06em; margin-bottom: .35rem; }
input[type="text"], input[type="email"], input[type="password"], input[type="date"], input[type="number"],
select, textarea {
    width: 100%; background: var(--bg); color: var(--text); border: 1px solid var(--border);
    border-radius: 6px; padding: .55rem .7rem; font-size: .85rem; font-family: inherit;
}
select option { background: var(--surface); color: var(--text); }
textarea { resize: vertical; min-height: 80px; line-height: 1.5; }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 2px rgba(95,168,118,.2); }

/* ── Listen-Tabelle ── */
.preview-wrap { overflow-x: auto; }
.data-table { width: 100%; border-collapse: collapse; font-size: .83rem; }
.data-table th {
    background: var(--surface-alt); color: var(--text-muted); padding: .6rem .7rem;
    text-align: left; white-space: nowrap; font-weight: 600; font-size: .68rem;
    text-transform: uppercase; letter-spacing: .06em; border-bottom: 1px solid var(--border);
}
.data-table td { padding: .55rem .7rem; border-bottom: 1px solid var(--border); vertical-align: middle; }
.data-table tr:hover td { background: rgba(255,255,255,.02); }
[data-href] { cursor: pointer; }
.data-table .col-actions { white-space: nowrap; text-align: right; }
.row-link { color: var(--text); text-decoration: none; font-weight: 500; }
.row-link:hover { color: var(--accent); }
a[href^="mailto:"], a[href^="tel:"] { color: var(--text); text-decoration: none; }
a[href^="mailto:"]:hover, a[href^="tel:"]:hover { color: var(--accent); text-decoration: underline; }
.timeline-head .row-link { color: var(--text-muted); font-weight: 400; }
.timeline-head .row-link:hover { color: var(--accent); }

/* ── Badges ── */
.badge { display: inline-block; padding: .15rem .5rem; border-radius: 999px; font-size: .66rem; font-weight: 600; white-space: nowrap; }
.badge-kaufinteressent, .badge-mietinteressent { background: rgba(137,180,250,.12); color: var(--wlan); border: 1px solid rgba(137,180,250,.35); }
.badge-verkaeufer_vermieter { background: rgba(95,168,118,.12); color: var(--accent); border: 1px solid rgba(95,168,118,.35); }
.badge-dienstleister { background: rgba(249,226,175,.1); color: var(--warning); border: 1px solid rgba(249,226,175,.3); }
.badge-verfuegbar { background: rgba(95,168,118,.12); color: var(--accent); border: 1px solid rgba(95,168,118,.35); }
.badge-reserviert { background: rgba(249,226,175,.1); color: var(--warning); border: 1px solid rgba(249,226,175,.3); }
.badge-verkauft_vermietet { background: rgba(108,112,134,.2); color: var(--text-muted); border: 1px solid var(--border); }
.badge-zurueckgezogen { background: rgba(243,139,168,.1); color: var(--danger); border: 1px solid rgba(243,139,168,.3); }
.badge-interessiert { background: rgba(137,180,250,.12); color: var(--wlan); border: 1px solid rgba(137,180,250,.35); }
.badge-besichtigung_vereinbart { background: rgba(249,226,175,.1); color: var(--warning); border: 1px solid rgba(249,226,175,.3); }
.badge-abgesagt { background: rgba(243,139,168,.1); color: var(--danger); border: 1px solid rgba(243,139,168,.3); }
.badge-abgeschlossen { background: rgba(95,168,118,.12); color: var(--accent); border: 1px solid rgba(95,168,118,.35); }

/* ── Aktivitäten-Timeline ── */
.timeline { display: flex; flex-direction: column; gap: .9rem; }
.timeline-item {
    background: var(--surface-alt); border: 1px solid var(--border); border-radius: 8px;
    padding: .9rem 1.1rem; border-left: 3px solid var(--accent);
}
.timeline-item.typ-Telefonnotiz { border-left-color: var(--wlan); }
.timeline-item.typ-E-Mail { border-left-color: var(--warning); }
.timeline-item.typ-Dokument { border-left-color: var(--danger); }
.timeline-head { display: flex; align-items: center; gap: .6rem; margin-bottom: .4rem; flex-wrap: wrap; }
.timeline-typ { font-size: .68rem; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; color: var(--text-muted); }
.timeline-datum { font-size: .74rem; color: var(--text-muted); margin-left: auto; }
.timeline-betreff { font-weight: 600; font-size: .88rem; margin-bottom: .3rem; }
.timeline-text { font-size: .83rem; color: var(--text); line-height: 1.5; white-space: pre-wrap; }
.timeline-datei { display: inline-flex; align-items: center; gap: .4rem; margin-top: .5rem; font-size: .8rem; color: var(--accent); text-decoration: none; }
.timeline-datei:hover { color: var(--accent-hover); }

/* ── Datei-Viewer ── */
.viewer-overlay {
    display: none; position: fixed; inset: 0; background: rgba(0,0,0,.75);
    z-index: 1000; align-items: center; justify-content: center; padding: 2rem;
}
.viewer-overlay.is-open { display: flex; }
.viewer-box {
    position: relative; background: var(--surface); border-radius: var(--radius);
    box-shadow: var(--shadow); width: 100%; height: 100%; max-width: 1100px; max-height: 90vh;
    display: flex; flex-direction: column; overflow: hidden;
}
.viewer-close {
    position: absolute; top: .6rem; right: .6rem; z-index: 1;
    width: 34px; height: 34px; border-radius: 50%; border: none;
    background: var(--surface-alt); color: var(--text); cursor: pointer;
    display: flex; align-items: center; justify-content: center; font-size: 1.1rem;
}
.viewer-close:hover { background: var(--border); }
.viewer-content { flex: 1; display: flex; align-items: center; justify-content: center; overflow: auto; }
.viewer-content iframe { width: 100%; height: 100%; border: none; }
.viewer-content img { max-width: 100%; max-height: 100%; object-fit: contain; }
.timeline-actions { display: inline-flex; align-items: center; gap: .15rem; }
.icon-btn {
    display: inline-flex; align-items: center; justify-content: center; width: 24px; height: 24px;
    border-radius: 5px; border: none; background: none; color: var(--text-muted); cursor: pointer;
    text-decoration: none; font-size: .95rem; transition: background .12s, color .12s;
}
.icon-btn:hover { background: var(--surface); color: var(--text); }
.icon-btn-danger:hover { color: var(--danger); }

/* ── Footer ── */
footer { background: var(--surface); border-top: 1px solid var(--border); color: var(--text-muted); text-align: center; padding: 1rem; font-size: .76rem; }
footer strong { color: var(--text); }
code { background: var(--surface-alt); border: 1px solid var(--border); border-radius: 4px; padding: .1em .4em; font-size: .85em; color: var(--text); }