:root {
    --gruen:        #0F6E56;
    --gruen-hell:   #1D9E75;
    --gruen-bg:     #E1F5EE;
    --grau-bg:      #F4F4F1;
    --grau-rand:    #D9D9D2;
    --text:         #2C2C2A;
    --text-mute:    #6B6B66;
    --rot:          #C0392B;
    --gelb:         #E08E0B;
    --weiss:        #FFFFFF;
    --radius:       10px;
    --schatten:     0 1px 3px rgba(0,0,0,.08);
    --sidebar-w:    230px;
    --topbar-h:     56px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body {
    font-family: -apple-system, "Segoe UI", Roboto, sans-serif;
    background: var(--grau-bg);
    color: var(--text);
    font-size: 15px;
    line-height: 1.5;
}

/* ===== Topbar ===== */
.topbar {
    position: fixed; top: 0; left: 0; right: 0; height: var(--topbar-h);
    background: var(--gruen); color: #fff;
    display: flex; align-items: center; gap: 14px;
    padding: 0 18px; z-index: 100; box-shadow: var(--schatten);
}
.brand { color: #fff; text-decoration: none; font-weight: 600; font-size: 18px; }
.nav-toggle { display: none; background: none; border: none; color: #fff; font-size: 22px; cursor: pointer; }
.topbar-user { margin-left: auto; display: flex; align-items: center; gap: 12px; }
.user-name { font-weight: 600; }
.user-rolle { font-size: 12px; opacity: .8; background: rgba(255,255,255,.15); padding: 2px 8px; border-radius: 20px; }
.btn-logout { color: #fff; text-decoration: none; font-size: 20px; padding: 4px 8px; border-radius: 6px; }
.btn-logout:hover { background: rgba(255,255,255,.15); }

/* ===== Sidebar ===== */
.sidebar {
    position: fixed; top: var(--topbar-h); left: 0; bottom: 0; width: var(--sidebar-w);
    background: var(--weiss); border-right: 1px solid var(--grau-rand);
    padding: 14px 10px; overflow-y: auto;
}
.sidebar a {
    display: flex; align-items: center; gap: 10px;
    padding: 10px 12px; margin-bottom: 2px;
    color: var(--text); text-decoration: none; border-radius: 8px; font-weight: 500;
}
.sidebar a:hover { background: var(--grau-bg); }
.sidebar a.active { background: var(--gruen-bg); color: var(--gruen); }
.sidebar a .ic { font-size: 18px; width: 22px; text-align: center; }
.nav-trenner { font-size: 11px; text-transform: uppercase; color: var(--text-mute); padding: 14px 12px 6px; letter-spacing: .5px; }
.nav-version { font-size: 11px; color: var(--text-mute); padding: 16px 12px; }

/* ===== Content ===== */
.content {
    margin-left: var(--sidebar-w); margin-top: var(--topbar-h);
    padding: 24px 28px; max-width: 1200px;
}
h1 { font-size: 24px; margin-bottom: 4px; }
h2 { font-size: 18px; margin: 24px 0 12px; }
.seiten-kopf { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; flex-wrap: wrap; gap: 12px; }
.seiten-kopf .untertitel { color: var(--text-mute); font-size: 14px; }

/* ===== Karten / Dashboard ===== */
.karten-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 16px; }
.karte { background: var(--weiss); border: 1px solid var(--grau-rand); border-radius: var(--radius); padding: 18px; box-shadow: var(--schatten); }
.karte-zahl { font-size: 34px; font-weight: 700; color: var(--gruen); }
.karte-label { color: var(--text-mute); font-size: 14px; margin-top: 2px; }

/* ===== Tabellen ===== */
.tabelle-wrap { background: var(--weiss); border: 1px solid var(--grau-rand); border-radius: var(--radius); overflow: hidden; box-shadow: var(--schatten); }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 11px 14px; text-align: left; border-bottom: 1px solid var(--grau-rand); }
th { background: var(--grau-bg); font-size: 13px; text-transform: uppercase; letter-spacing: .3px; color: var(--text-mute); }
tbody tr:hover { background: var(--gruen-bg); }
tbody tr:last-child td { border-bottom: none; }
.badge { display: inline-block; padding: 3px 10px; border-radius: 20px; font-size: 12px; font-weight: 600; }
.badge-aktiv { background: var(--gruen-bg); color: var(--gruen); }
.badge-warteliste { background: #FCEFD6; color: var(--gelb); }
.badge-ausgetreten { background: #F0E0DE; color: var(--rot); }
.gruppe-punkt { display: inline-block; width: 10px; height: 10px; border-radius: 50%; margin-right: 6px; vertical-align: middle; }

/* ===== Buttons ===== */
.btn { display: inline-flex; align-items: center; gap: 6px; padding: 9px 16px; border: none; border-radius: 8px; font-size: 14px; font-weight: 600; cursor: pointer; text-decoration: none; }
.btn-primary { background: var(--gruen); color: #fff; }
.btn-primary:hover { background: var(--gruen-hell); }
.btn-sekundaer { background: var(--weiss); color: var(--text); border: 1px solid var(--grau-rand); }
.btn-sekundaer:hover { background: var(--grau-bg); }
.btn-gefahr { background: var(--rot); color: #fff; }
.btn-klein { padding: 5px 10px; font-size: 13px; }

/* ===== Formulare ===== */
.formular { background: var(--weiss); border: 1px solid var(--grau-rand); border-radius: var(--radius); padding: 24px; box-shadow: var(--schatten); max-width: 760px; }
.feld-reihe { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.feld { margin-bottom: 16px; }
.feld label { display: block; font-weight: 600; font-size: 14px; margin-bottom: 5px; }
.feld label .pflicht { color: var(--rot); }
.feld input, .feld select, .feld textarea {
    width: 100%; padding: 9px 12px; border: 1px solid var(--grau-rand); border-radius: 8px; font-size: 15px; font-family: inherit;
}
.feld input:focus, .feld select:focus, .feld textarea:focus { outline: none; border-color: var(--gruen-hell); box-shadow: 0 0 0 3px var(--gruen-bg); }
.feld textarea { resize: vertical; min-height: 70px; }
.formular-aktionen { display: flex; gap: 10px; margin-top: 8px; padding-top: 18px; border-top: 1px solid var(--grau-rand); }

/* ===== Flash ===== */
.flash { padding: 12px 16px; border-radius: 8px; margin-bottom: 16px; font-weight: 500; }
.flash-erfolg { background: var(--gruen-bg); color: var(--gruen); }
.flash-fehler { background: #F0E0DE; color: var(--rot); }
.flash-info { background: #E3EEF6; color: #1B5E8A; }

/* ===== Suchleiste ===== */
.toolbar { display: flex; gap: 10px; margin-bottom: 16px; flex-wrap: wrap; align-items: center; }
.suchfeld { flex: 1; min-width: 200px; padding: 9px 14px; border: 1px solid var(--grau-rand); border-radius: 8px; font-size: 15px; }
.filter-select { padding: 9px 12px; border: 1px solid var(--grau-rand); border-radius: 8px; font-size: 14px; }

/* ===== Login ===== */
.login-seite { display: flex; align-items: center; justify-content: center; min-height: 100vh; background: var(--gruen); }
.login-box { background: #fff; border-radius: 16px; padding: 40px; width: 360px; box-shadow: 0 10px 40px rgba(0,0,0,.2); }
.login-box h1 { text-align: center; color: var(--gruen); margin-bottom: 6px; }
.login-box .login-sub { text-align: center; color: var(--text-mute); margin-bottom: 28px; font-size: 14px; }

/* ===== Mobile / Tablet ===== */
@media (max-width: 900px) {
    .nav-toggle { display: block; }
    .sidebar { transform: translateX(-100%); transition: transform .25s; z-index: 99; }
    body.nav-open .sidebar { transform: translateX(0); }
    .content { margin-left: 0; padding: 16px; }
    .feld-reihe { grid-template-columns: 1fr; }
    .user-rolle { display: none; }
}