/* PMB Clients – Köhler IT-Services */
:root {
    --bg: #f4f6f8;
    --surface: #fff;
    --border: #d8dde3;
    --text: #2c3e50;
    --text-muted: #7f8c9b;
    --primary: #1a4d6e;
    --primary-light: #e8f0f6;
    --accent: #d4790e;
    --success: #27864a;
    --success-bg: #d4edda;
    --error: #c0392b;
    --error-bg: #f8d7da;
    --info-bg: #cce5ff;
    --radius: 5px;
}
*, *::before, *::after { box-sizing: border-box; }
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    font-size: 14px;
    color: var(--text);
    background: var(--bg);
    margin: 0;
    line-height: 1.5;
}

/* Nav */
.topnav {
    background: var(--primary);
    color: #fff;
    display: flex;
    align-items: center;
    padding: 0 20px;
    gap: 24px;
    position: sticky;
    top: 0;
    z-index: 100;
}
.nav-brand {
    color: #fff;
    font-weight: 700;
    font-size: 16px;
    text-decoration: none;
    padding: 12px 0;
    white-space: nowrap;
}
.nav-links { display: flex; gap: 4px; }
.nav-links a {
    color: rgba(255,255,255,.75);
    text-decoration: none;
    padding: 12px 12px;
    font-size: 13px;
    border-bottom: 2px solid transparent;
    transition: .15s;
}
.nav-links a:hover, .nav-links a.active {
    color: #fff;
    border-bottom-color: var(--accent);
}

/* Main */
main { max-width: 1280px; margin: 0 auto; padding: 20px; }
footer {
    text-align: center;
    color: var(--text-muted);
    padding: 20px;
    font-size: 12px;
}

/* Flash */
.flash {
    padding: 10px 16px;
    border-radius: var(--radius);
    margin-bottom: 16px;
    font-size: 13px;
}
.flash-success { background: var(--success-bg); color: #155724; }
.flash-error { background: var(--error-bg); color: #721c24; }
.flash-info { background: var(--info-bg); color: #004085; }

/* Stats */
.stats-row {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-bottom: 20px;
}
.stat-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px 20px;
    min-width: 120px;
    text-align: center;
}
.stat-value {
    display: block;
    font-size: 28px;
    font-weight: 700;
    color: var(--primary);
}
.stat-label {
    display: block;
    font-size: 12px;
    color: var(--text-muted);
    margin-top: 2px;
}

/* Filter bar */
.filter-bar {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 12px 16px;
    margin-bottom: 16px;
}
.filter-form {
    display: flex;
    gap: 10px;
    align-items: center;
    flex-wrap: wrap;
}
.filter-form input[type="text"] { width: 200px; }
.filter-form select { width: 160px; }
.table-info {
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 6px;
}

/* Tables */
.table-wrap { overflow-x: auto; }
table {
    width: 100%;
    border-collapse: collapse;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 13px;
}
thead th {
    background: var(--primary-light);
    color: var(--primary);
    font-weight: 600;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: .3px;
    padding: 10px 12px;
    text-align: left;
    white-space: nowrap;
    border-bottom: 2px solid var(--border);
}
tbody td {
    padding: 8px 12px;
    border-bottom: 1px solid var(--border);
    vertical-align: middle;
}
tbody tr:hover { background: #f8f9fa; }
td.num { text-align: right; font-variant-numeric: tabular-nums; }
td.empty { text-align: center; color: var(--text-muted); padding: 30px; }
td.actions { white-space: nowrap; }
td.actions a { text-decoration: none; margin-right: 6px; }
a.url { font-size: 12px; color: var(--primary); }

/* Badges */
.badge {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 3px;
    font-size: 11px;
    font-weight: 600;
}
.badge-hetzner1 { background: #d4edda; color: #155724; }
.badge-hetzner2 { background: #cce5ff; color: #004085; }
.badge-leaseweb { background: #fff3cd; color: #856404; }
.badge-ok { background: var(--success-bg); color: var(--success); }
.badge-err { background: var(--error-bg); color: var(--error); }
.muted { color: var(--text-muted); }

/* Forms */
input[type="text"], input[type="email"], input[type="tel"],
input[type="password"], input[type="number"],
select, textarea {
    width: 100%;
    padding: 7px 10px;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-family: inherit;
    font-size: 13px;
    color: var(--text);
    background: #fff;
}
textarea { resize: vertical; }
input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 2px rgba(26,77,110,.15);
}
label { display: block; font-size: 12px; font-weight: 600; margin-bottom: 3px; color: var(--text); }
.cb-label {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-weight: normal;
    cursor: pointer;
}
fieldset {
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
    margin: 0 0 16px;
    background: var(--surface);
}
legend {
    font-weight: 700;
    font-size: 13px;
    color: var(--primary);
    padding: 0 6px;
}
.form-row { display: flex; gap: 12px; flex-wrap: wrap; }
.form-group { flex: 1; min-width: 150px; margin-bottom: 10px; }
.form-group.fg-wide { flex: 2; min-width: 250px; }
.form-actions {
    display: flex;
    gap: 10px;
    align-items: center;
    margin-top: 16px;
}
.pwd-wrap { display: flex; gap: 4px; }
.pwd-wrap input { flex: 1; }

/* Buttons */
button, .btn-primary, .btn-secondary, .btn-danger, .btn-small, .btn-reset {
    padding: 8px 16px;
    border-radius: var(--radius);
    border: none;
    font-family: inherit;
    font-size: 13px;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    line-height: 1.4;
}
.btn-primary, button[type="submit"] {
    background: var(--primary);
    color: #fff;
}
.btn-primary:hover { background: #15405c; }
.btn-secondary, .btn-reset {
    background: var(--surface);
    color: var(--text);
    border: 1px solid var(--border);
}
.btn-danger { background: var(--error); color: #fff; }
.btn-danger:hover { background: #a93226; }
.btn-small {
    padding: 4px 10px;
    font-size: 12px;
    background: var(--surface);
    border: 1px solid var(--border);
    color: var(--text);
}
.btn-small:hover { background: var(--primary-light); }
.btn-toggle { padding: 4px 8px; background: var(--surface); border: 1px solid var(--border); }

/* Client header */
.client-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}
.client-name { font-size: 18px; font-weight: 700; color: var(--primary); }

/* Email compose */
.email-layout { display: flex; gap: 20px; }
.email-left { width: 360px; flex-shrink: 0; }
.email-right { flex: 1; }
.recipients-controls {
    display: flex;
    gap: 8px;
    align-items: center;
    margin-bottom: 8px;
}
.recipients-list {
    max-height: 450px;
    overflow-y: auto;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 4px;
}
.recipient-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 8px;
    border-radius: 3px;
    cursor: pointer;
    font-weight: normal;
}
.recipient-item:hover { background: var(--primary-light); }
.ri-name { flex: 1; font-size: 13px; }
.ri-ville { font-size: 11px; color: var(--text-muted); flex-shrink: 0; }
.ri-email { font-size: 11px; color: var(--text-muted); }
.ri-srv { flex-shrink: 0; }

/* Preview */
.preview-box {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
    font-size: 13px;
    max-height: 400px;
    overflow-y: auto;
}
.preview-box hr { border: none; border-top: 1px solid var(--border); margin: 10px 0; }

/* Email detail in log */
.email-detail {
    margin-top: 8px;
    padding: 12px;
    background: #f8f9fa;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    font-size: 12px;
    max-height: 300px;
    overflow-y: auto;
}
.error-detail { cursor: help; }

/* Templates */
.template-form { margin-bottom: 30px; }
.templates-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 16px;
}
.template-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
}
.template-card h4 { margin: 0 0 6px; color: var(--primary); }
.tpl-subject { font-size: 12px; color: var(--text-muted); margin: 0 0 8px; }
.tpl-preview { font-size: 12px; color: var(--text); margin-bottom: 10px; }
.tpl-actions { display: flex; gap: 6px; }

/* Version chart */
.version-summary {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
    margin-top: 20px;
}
.version-summary h3 { margin: 0 0 12px; font-size: 14px; color: var(--primary); }
.version-row { display: flex; align-items: center; gap: 10px; margin-bottom: 6px; }
.version-label { width: 80px; font-size: 12px; font-weight: 600; text-align: right; }
.version-bar { flex: 1; height: 18px; background: #eee; border-radius: 3px; overflow: hidden; }
.version-fill { height: 100%; background: var(--primary); border-radius: 3px; min-width: 2px; transition: width .3s; }
.version-count { width: 30px; font-size: 12px; color: var(--text-muted); }

/* Password reveal */
.pwd-mask { cursor: pointer; color: var(--text-muted); font-size: 13px; }
.pwd-mask small { color: var(--primary); font-size: 11px; }
.pwd-reveal { cursor: pointer; font-size: 13px; color: var(--text); background: #f0f4f8; padding: 2px 6px; border-radius: 3px; }

/* Client view grid */
.view-grid fieldset { margin-bottom: 16px; }
.installation-card { border-left: 3px solid var(--primary); }
.installation-card + .installation-card { margin-top: 4px; }
.badge-count { background: var(--primary); color: #fff; font-size: 11px; }
tr.group-row { background: var(--primary-light); }
.info-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.info-item label { display: block; font-size: 11px; color: var(--text-muted); text-transform: uppercase; letter-spacing: .3px; margin-bottom: 2px; font-weight: 600; }
.info-item span { font-size: 13px; }
@media (max-width: 500px) { .info-grid { grid-template-columns: 1fr; } }

/* Responsive */
@media (max-width: 900px) {
    .email-layout { flex-direction: column; }
    .email-left { width: 100%; }
    .topnav { flex-wrap: wrap; }
    .nav-links { overflow-x: auto; }
}
@media (max-width: 600px) {
    .stats-row { flex-direction: column; }
    .stat-card { min-width: auto; }
    .form-row { flex-direction: column; }
    .form-group, .form-group.fg-wide { min-width: auto; }
    .filter-form { flex-direction: column; }
    .filter-form input[type="text"], .filter-form select { width: 100%; }
}