:root {
    --color-bg: #f7f7f5;
    --color-text: #1e1e1c;
    --color-muted: #6b6a64;
    --color-accent: #185fa5;
    --color-border: #ddd9d0;
    --color-gruen: #3b6d11;
    --color-gelb: #854f0b;
    --color-rot: #a32d2d;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
}

.site-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    background: #fff;
    border-bottom: 1px solid var(--color-border);
}

.logo { font-size: 1.3rem; font-weight: 700; text-decoration: none; color: var(--color-text); }
.logo span { color: var(--color-accent); }

.btn-primary {
    background: var(--color-accent);
    color: #fff;
    padding: 0.6rem 1.2rem;
    border: none;
    border-radius: 6px;
    text-decoration: none;
    cursor: pointer;
    font-size: 1rem;
}

.container { max-width: 900px; margin: 0 auto; padding: 2rem; }

.hero { text-align: center; padding: 3rem 0; }
.hero h1 { font-size: 2rem; margin-bottom: 0.5rem; }
.hero p { color: var(--color-muted); }

.search-box { position: relative; max-width: 500px; margin: 2rem auto 0; }
.search-box input,
.upload-form input[type=text],
.upload-form input[type=number],
.upload-form select {
    width: 100%;
    padding: 0.7rem;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    font-size: 1rem;
}

.search-results {
    list-style: none;
    margin: 0.25rem 0 0;
    padding: 0;
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: 6px;
    position: absolute;
    width: 100%;
    z-index: 10;
}
.search-results li { padding: 0.6rem 0.8rem; cursor: pointer; }
.search-results li:hover { background: var(--color-bg); }

table { width: 100%; border-collapse: collapse; margin: 1.5rem 0; }
th, td { text-align: left; padding: 0.6rem; border-bottom: 1px solid var(--color-border); }

.breadcrumb { font-size: 0.9rem; color: var(--color-muted); margin-bottom: 1rem; }
.meta { color: var(--color-muted); }
.hinweis, .hinweis-klein { color: var(--color-muted); font-size: 0.9rem; }

.fehler-box {
    background: #fbeaea;
    border: 1px solid var(--color-rot);
    color: var(--color-rot);
    padding: 1rem;
    border-radius: 6px;
    margin-bottom: 1rem;
}

.upload-form label { display: block; margin-top: 1rem; font-weight: 500; }
.upload-form .form-row { display: flex; gap: 1rem; }
.upload-form .form-row > div { flex: 1; }
.upload-form button { margin-top: 1.5rem; }

.ampel { display: inline-block; width: 10px; height: 10px; border-radius: 50%; margin-right: 4px; }
.ampel-gruen { background: var(--color-gruen); }
.ampel-gelb  { background: var(--color-gelb); }
.ampel-rot   { background: var(--color-rot); }
.ampel-grau  { background: #ccc; }

.badge {
    display: inline-block;
    font-size: 0.78rem;
    padding: 0.15rem 0.5rem;
    border-radius: 999px;
    white-space: nowrap;
}
.badge-gruen { background: #e6f4ea; color: var(--color-gruen); }
.badge-gelb  { background: #fdf0dd; color: var(--color-gelb); }
.badge-rot   { background: #fbeaea; color: var(--color-rot); }
.badge-grau  { background: #eee; color: #777; }

.termin-zeile.aktiv { background: #eef4fb; }

.notenstufen-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(70px, 1fr));
    gap: 0.6rem;
    margin-top: 0.5rem;
}
.notenstufen-feld label { margin-top: 0; font-weight: 400; font-size: 0.85rem; color: var(--color-muted); }
.notenstufen-feld input { padding: 0.4rem; text-align: center; }

.chart-card {
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 1.2rem;
    margin: 1.5rem 0;
}

.uni-grid { list-style: none; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 0.5rem; }
.uni-grid li { background: #fff; border: 1px solid var(--color-border); border-radius: 6px; padding: 0.6rem; }

.hero-actions { display: flex; gap: 1rem; justify-content: center; margin-top: 1.5rem; }

.btn-secondary {
    background: #fff;
    color: var(--color-accent);
    border: 1px solid var(--color-accent);
    padding: 0.55rem 1.1rem;
    border-radius: 6px;
    text-decoration: none;
    cursor: pointer;
    font-size: 0.95rem;
}
.btn-secondary.btn-erfolg { color: var(--color-gruen); border-color: var(--color-gruen); }
.btn-secondary.btn-gefahr { color: var(--color-rot); border-color: var(--color-rot); }

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.2rem;
    margin: 3rem 0;
}
.feature-card {
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: 10px;
    padding: 1.4rem;
}
.feature-card h3 { margin: 0 0 0.5rem; font-size: 1.05rem; }
.feature-card p { margin: 0; color: var(--color-muted); font-size: 0.92rem; }

.site-footer { text-align: center; color: var(--color-muted); padding: 2rem; font-size: 0.85rem; }
.footer-links { display: flex; gap: 1rem; justify-content: center; margin-bottom: 0.6rem; flex-wrap: wrap; }
.footer-links a { color: var(--color-muted); }

.summen-check-ok    { color: var(--color-gruen); font-weight: 500; }
.summen-check-fehler{ color: var(--color-rot); font-weight: 500; }

.inline-form { background: #fff; border: 1px solid var(--color-border); border-radius: 8px; padding: 1.2rem; }

.filter-tabs { display: flex; gap: 0.5rem; margin: 1rem 0; flex-wrap: wrap; }
.filter-tab {
    padding: 0.4rem 0.9rem;
    border-radius: 999px;
    border: 1px solid var(--color-border);
    text-decoration: none;
    color: var(--color-text);
    font-size: 0.9rem;
}
.filter-tab.aktiv { background: var(--color-accent); color: #fff; border-color: var(--color-accent); }

/* --- Admin-Bereich ------------------------------------------------------- */

.admin-body { background: var(--color-bg); }

.admin-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    background: #1e1e1c;
}
.admin-header .logo { color: #fff; font-weight: 700; text-decoration: none; }
.admin-header .logo small { font-weight: 400; color: #9c9a94; margin-left: 0.4rem; }
.admin-nav { display: flex; gap: 1.2rem; align-items: center; }
.admin-nav a { color: #d8d6cd; text-decoration: none; font-size: 0.92rem; }
.admin-nav a:hover { color: #fff; }
.admin-nav .admin-logout { color: #e0908f; }

.dashboard-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1rem; margin-top: 1.5rem; }
.dashboard-card {
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: 10px;
    padding: 1.5rem;
    text-align: center;
    text-decoration: none;
    color: var(--color-text);
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}
.dashboard-zahl { font-size: 2rem; font-weight: 700; color: var(--color-accent); }

.login-box {
    max-width: 380px;
    margin: 4rem auto;
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: 10px;
    padding: 2rem;
}

.admin-grid-tabelle { display: grid; gap: 0.5rem; margin-top: 1rem; }
.admin-grid-header, .admin-grid-zeile {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.6rem;
    align-items: center;
}
.admin-grid-tabelle-antraege .admin-grid-header,
.admin-grid-tabelle-antraege .admin-grid-zeile { grid-template-columns: 1.2fr 0.8fr 0.8fr 1.4fr 1fr auto; }
.admin-grid-tabelle-studiengaenge .admin-grid-header,
.admin-grid-tabelle-studiengaenge .admin-grid-zeile { grid-template-columns: 2fr 1fr 1fr auto; }
.admin-grid-tabelle-unis .admin-grid-header,
.admin-grid-tabelle-unis .admin-grid-zeile { grid-template-columns: 1.4fr 1fr 1fr 0.8fr 0.6fr 0.8fr auto auto; }
/* Verschachtelte <form>-Elemente sollen selbst keine Grid-Zelle belegen,
   sondern ihre Kinder direkt ins Eltern-Grid einreihen. */
.admin-grid-zeile-mit-form { display: grid; grid-template-columns: 1.4fr 1fr 1fr 0.8fr 0.6fr 0.8fr auto auto; }
.admin-grid-zeile-mit-form form { display: contents; }
.admin-grid-header { font-size: 0.8rem; color: var(--color-muted); text-transform: uppercase; letter-spacing: 0.03em; padding: 0 0.6rem; }
.admin-grid-zeile {
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 0.6rem;
}
.admin-grid-zeile input { padding: 0.4rem; border: 1px solid var(--color-border); border-radius: 6px; }
.admin-aktionen { display: flex; gap: 0.5rem; }
.admin-aktionen form { display: inline; }

/* --- Kombinierte Suche (Startseite) --------------------------------------- */

.kombi-ergebnisse {
    display: none;
    position: absolute;
    width: 100%;
    z-index: 10;
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    margin-top: 0.25rem;
    box-shadow: 0 4px 16px rgba(0,0,0,0.08);
    max-height: 60vh;
    overflow-y: auto;
    text-align: left;
}
.kombi-ergebnisse.sichtbar { display: block; }
.kombi-abschnitt { padding: 0.6rem 0.8rem; border-bottom: 1px solid var(--color-border); }
.kombi-abschnitt:last-child { border-bottom: none; }
.kombi-abschnitt h4 { margin: 0 0 0.3rem; font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.03em; color: var(--color-muted); }
.kombi-abschnitt ul { list-style: none; margin: 0; padding: 0; }
.kombi-abschnitt li { padding: 0.3rem 0; }
.kombi-abschnitt a { color: var(--color-text); text-decoration: none; }
.kombi-abschnitt a:hover { color: var(--color-accent); }
.kombi-keine-treffer { padding: 0.8rem; color: var(--color-muted); margin: 0; }

/* --- Kennzahlen-Card (Kursseite) ------------------------------------------- */

.kennzahlen-card {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 0.6rem 1.5rem;
    margin: 1rem 0 1.5rem;
    padding: 1rem;
    background: var(--color-bg);
    border-radius: 8px;
}
.kennzahl { display: flex; justify-content: space-between; gap: 0.5rem; font-size: 0.9rem; }
.kennzahl-label { color: var(--color-muted); }
.kennzahl-wert { font-weight: 700; }

/* --- Sonstiges -------------------------------------------------------------- */

.anzahl-badge {
    display: inline-block;
    background: #eef4fb;
    color: var(--color-accent);
    font-size: 0.75rem;
    padding: 0.1rem 0.5rem;
    border-radius: 999px;
    margin-left: 0.4rem;
}
.studiengang-liste { list-style: none; padding: 0; }
.studiengang-liste li {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 0.7rem 1rem;
    margin-bottom: 0.5rem;
}
.studiengang-liste a { text-decoration: none; color: var(--color-text); font-weight: 500; }
.alle-unis-details { margin-top: 1.5rem; }
.alle-unis-details summary { cursor: pointer; color: var(--color-accent); margin-bottom: 0.8rem; }