:root {
    --cdu-schwarz: #1A1A1A;
    --cdu-blau: #1F2A38;
    --cdu-blau-dunkel: #12181F;
    --cdu-blau-hell: #34455A;
    --cdu-rot: #E2001A;
    --cdu-rot-dunkel: #B8000F;
    --cdu-akzent: #439DDD;
    --cdu-akzent-dunkel: #347AAC;
    --bg: #F4F5F6;
    --bg-utility: #EDEEEF;
    --card-bg: #FFFFFF;
    --text: #1A1A1A;
    --text-muted: #6B7280;
    --border: #E3E5E8;
    --gruen: #2E8B57;
    --radius: 8px;
    --radius-lg: 14px;
    --shadow: 0 1px 3px rgba(26,26,26,.07), 0 1px 2px rgba(26,26,26,.05);
    --btn-radius: 6px;
    --btn-font-size: 14px;
    --btn-font-weight: 700;
    --btn-gap: 6px;
    --btn-pad-y: 10px;
    --btn-pad-x: 20px;
    --btn-sm-font-size: 13px;
    --btn-sm-pad-y: 6px;
    --btn-sm-pad-x: 13px;
    --btn-min-height: 40px;
    --btn-primary-bg: var(--cdu-blau);
    --btn-primary-bg-hover: var(--cdu-blau-hell);
    --btn-akzent-bg: var(--cdu-akzent);
    --btn-akzent-bg-hover: var(--cdu-akzent-dunkel);
}
* { box-sizing: border-box; }
body {
    margin: 0;
    font-family: "Helvetica Neue", Arial, "Segoe UI", Roboto, sans-serif;
    background: var(--bg);
    color: var(--text);
    font-size: 15px;
    line-height: 1.55;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}
a { color: var(--cdu-blau); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 {
    font-family: "Helvetica Neue", Arial, sans-serif;
    color: var(--cdu-blau);
    font-weight: 700;
    letter-spacing: -.01em;
    margin: 0 0 10px;
}
h1 { font-size: 26px; }
h2 { font-size: 19px; margin-top: 8px; }
h3 { font-size: 16px; }
.utility-bar {
    background: var(--bg-utility);
    border-bottom: 1px solid var(--border);
    padding: 7px 20px;
    font-size: 12.5px;
    color: var(--text-muted);
    display: flex;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
}
.main-header { background: #fff; border-bottom: 1px solid var(--border); }
.navrow {
    display: flex; align-items: center; justify-content: space-between;
    padding: 0 20px; min-height: 72px; gap: 16px;
    max-width: 1240px; margin: 0 auto;
}
.brand { color: var(--cdu-blau); font-size: 14px; font-weight: 700; text-decoration: none; }
.brand:hover { text-decoration: none; }
.main-nav { display: flex; gap: 0; flex-wrap: wrap; }
.main-nav a {
    color: #1A1A1A; font-size: 13px; font-weight: 600;
    padding: 8px 10px; border-bottom: 3px solid transparent; text-decoration: none;
}
.main-nav a:hover { text-decoration: none; color: var(--cdu-blau); }
.main-nav a.active { color: var(--cdu-blau); border-bottom-color: var(--cdu-akzent); }
.content {
    width: min(1240px, calc(100% - 64px));
    margin: 0 auto; padding: 32px 0 64px; flex: 1;
}
@media (max-width: 700px) {
    .content { width: calc(100% - 40px); padding: 20px 0 48px; }
    .navrow { min-height: auto; padding: 12px 16px; flex-wrap: wrap; }
}
.page-header {
    display: flex; justify-content: space-between; align-items: flex-start;
    margin-bottom: 28px; gap: 16px; flex-wrap: wrap;
    padding-bottom: 20px; border-bottom: 3px solid var(--cdu-akzent);
}
.page-header p, .lead { color: var(--text-muted); margin: 6px 0 0; }
.card {
    background: var(--card-bg); border: 1px solid var(--border);
    border-radius: var(--radius-lg); box-shadow: var(--shadow);
    padding: 26px 28px; margin-bottom: 22px;
}
.card form, form.card { display: grid; gap: 16px; }
.site-footer {
    background: #fff; border-top: 1px solid var(--border);
    padding: 16px 20px; text-align: center; color: var(--text-muted); font-size: 12.5px;
}
label {
    display: block; font-size: 12.5px; font-weight: 700; color: var(--cdu-blau);
    text-transform: uppercase; letter-spacing: .03em; margin-bottom: 6px;
}
input:not([type=hidden]):not([type=radio]):not([type=checkbox]):not([type=submit]):not([type=button]), textarea, select {
    width: 100%; max-width: 360px; padding: 10px 12px;
    border: 1px solid var(--border); border-radius: 6px;
    font-size: 14px; font-family: inherit; background: #fff;
}
textarea { max-width: 100%; }
input:focus, textarea:focus, select:focus {
    outline: none; border-color: var(--cdu-blau); box-shadow: 0 0 0 3px rgba(31,42,56,.12);
}
.form-hint { font-size: 12px; color: var(--text-muted); margin-top: 4px; }
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: var(--btn-gap);
    padding: var(--btn-pad-y) var(--btn-pad-x); min-height: var(--btn-min-height);
    border-radius: var(--btn-radius); border: 1px solid transparent;
    font-size: var(--btn-font-size); font-weight: var(--btn-font-weight);
    font-family: inherit; line-height: 1.2; cursor: pointer; text-decoration: none; color: #fff;
}
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--btn-primary-bg); color: #fff; }
.btn-primary:hover { background: var(--btn-primary-bg-hover); }
.btn-akzent { background: var(--btn-akzent-bg); color: #fff; }
.btn-akzent:hover { background: var(--btn-akzent-bg-hover); }
.btn-outline { background: transparent; color: var(--text); border-color: var(--border); }
.btn-outline:hover { border-color: var(--cdu-blau); }
.btn-danger { background: #fff; color: var(--cdu-rot); border-color: #F2C6C6; }
.btn-danger:hover { background: #FCEAEA; }
.btn-sm { padding: var(--btn-sm-pad-y) var(--btn-sm-pad-x); font-size: var(--btn-sm-font-size); min-height: 34px; }
.row { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.badge { display: inline-block; padding: 3px 11px; border-radius: 100px; font-size: 12px; font-weight: 700; }
.badge-offen { background: #EEF0F2; color: var(--text-muted); }
.badge-zusage { background: #E7F4EC; color: #1F6B42; }
.badge-absage { background: #FCEAEA; color: #A5231F; }
.badge-vertretung { background: #FEF3DD; color: #8A5D0A; }
.badge-neu { background: #EBEFF3; color: var(--cdu-blau); }
.flash { padding: 12px 16px; border-radius: 8px; font-size: 14px; border-left: 4px solid transparent; margin-bottom: 16px; }
.flash-erfolg { background: #EAF6EF; color: #1F6B42; border-left-color: var(--gruen); }
.flash-fehler { background: #FCEAEA; color: #A5231F; border-left-color: var(--cdu-rot); }
.flash-warnung { background: #FEF3DD; color: #8A5D0A; border-left-color: #E8A020; }
.flash-info { background: #EBEFF3; color: var(--cdu-blau); border-left-color: var(--cdu-blau); }
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; margin-bottom: 22px; }
.stat-card { background: #fff; border: 1px solid var(--border); border-radius: 14px; padding: 20px 22px; box-shadow: var(--shadow); }
.stat-card.accent { border-top: 4px solid var(--cdu-akzent); }
.stat-value { font-size: 32px; font-weight: 800; color: var(--cdu-blau); }
.stat-label { font-size: 13px; color: var(--text-muted); }
table.data { width: 100%; border-collapse: collapse; font-size: 13.5px; background: #fff; }
table.data th {
    text-align: left; font-size: 12px; text-transform: uppercase; letter-spacing: .03em;
    color: var(--text-muted); border-bottom: 1px solid var(--border); padding: 8px 8px 8px 0;
}
table.data td { padding: 10px 8px 10px 0; border-bottom: 1px solid var(--border); vertical-align: top; }
.list { list-style: none; padding: 0; margin: 0; }
.list li {
    background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius-lg);
    box-shadow: var(--shadow); padding: 20px 22px; margin-bottom: 12px; display: grid; gap: .3rem;
}
fieldset { border: 1px solid var(--border); border-radius: 8px; padding: 14px 16px; display: grid; gap: 8px; }
legend { font-size: 12.5px; font-weight: 700; color: var(--cdu-blau); text-transform: uppercase; letter-spacing: .03em; }
.opt { font-weight: 400; text-transform: none; letter-spacing: 0; font-size: 15px; color: var(--text); display: flex; gap: 8px; align-items: center; }
.center { text-align: center; }
.crumb { color: var(--text-muted); font-size: 13px; margin-bottom: 8px; }
.warn { background: #FEF3DD; color: #8A5D0A; border-left: 4px solid #E8A020; padding: 12px 16px; border-radius: 8px; margin-bottom: 16px; }
.warn pre { white-space: pre-wrap; word-break: break-all; font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 12.5px; }
.muted { color: var(--text-muted); }
.inline { display: inline-flex; gap: 10px; align-items: end; flex-wrap: wrap; margin-right: 10px; margin-top: 8px; }
.steps { display: flex; gap: .4rem; margin: 0 0 1.5rem; flex-wrap: wrap; }
.steps span { padding: 3px 11px; border-radius: 100px; background: #EEF0F2; font-size: 12px; font-weight: 700; color: var(--text-muted); }
.steps span.on { background: #EBEFF3; color: var(--cdu-blau); }
.check { list-style: none; padding: 0; margin: 0; }
.check li { padding: .35rem 0; }
.good { color: #1F6B42; }
.bad { color: #A5231F; }