:root {
    --farbe-primary: #004a87;
    --farbe-primary-hell: #0c71c3;
    --farbe-hintergrund: #f4f5f7;
    --farbe-flaeche: #ffffff;
    --farbe-rand: #e2e4e8;
    --farbe-text: #1f2530;
    --farbe-text-schwach: #667085;
    --farbe-fehler: #b00020;
    --farbe-fehler-bg: #fdecec;
    --farbe-fehler-rand: #f3c6c6;
    --farbe-erfolg: #1b5e20;
    --farbe-erfolg-bg: #eaf6ea;
    --farbe-erfolg-rand: #bfe3bf;
    --radius: 8px;
    --sidebar-breite: 230px;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background: var(--farbe-hintergrund);
    color: var(--farbe-text);
}

h1 { font-size: 1.4rem; margin: 0 0 0.3rem; }
h2 { font-size: 1.05rem; }
p.finvermv-subtitle { color: var(--farbe-text-schwach); margin-top: 0; }

/* Sidebar */
.finvermv-sidebar {
    position: fixed;
    top: 0; left: 0; bottom: 0;
    width: var(--sidebar-breite);
    background: var(--farbe-primary);
    color: white;
    display: flex;
    flex-direction: column;
    padding: 1.5rem 1.1rem;
    overflow-y: auto;
}

.finvermv-brand-name { font-weight: 700; font-size: 1.05rem; line-height: 1.3; }
.finvermv-brand-tagline { font-size: 0.75rem; color: rgba(255,255,255,0.65); margin-top: 0.15rem; margin-bottom: 2rem; }

.finvermv-nav { display: flex; flex-direction: column; gap: 0.15rem; flex: 1; }
.finvermv-nav a {
    color: rgba(255,255,255,0.85);
    text-decoration: none;
    padding: 0.55rem 0.75rem;
    border-radius: 6px;
    font-size: 0.92rem;
}
.finvermv-nav a:hover { background: rgba(255,255,255,0.08); color: white; }
.finvermv-nav a.aktiv { background: rgba(255,255,255,0.16); color: white; font-weight: 600; }

.finvermv-sidebar-user {
    border-top: 1px solid rgba(255,255,255,0.15);
    padding-top: 1rem;
    margin-top: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}
.finvermv-sidebar-user a { color: white; text-decoration: none; font-size: 0.88rem; opacity: 0.9; }
.finvermv-sidebar-user a:hover { opacity: 1; text-decoration: underline; }
.finvermv-sidebar-user button {
    background: transparent;
    border: 1px solid rgba(255,255,255,0.4);
    color: white;
    border-radius: 6px;
    padding: 0.4rem 0.7rem;
    cursor: pointer;
    font-size: 0.85rem;
}
.finvermv-sidebar-user button:hover { background: rgba(255,255,255,0.1); }

/* Hauptinhalt */
main.finvermv-main {
    margin-left: var(--sidebar-breite);
    padding: 2.5rem 2.5rem 3rem;
    max-width: 1400px;
}

/* Tabellen */
table {
    border-collapse: collapse;
    width: 100%;
    margin-top: 1.25rem;
    background: var(--farbe-flaeche);
    border: 1px solid var(--farbe-rand);
    border-radius: var(--radius);
    overflow: hidden;
}
th, td { text-align: left; padding: 0.65rem 0.9rem; border-bottom: 1px solid var(--farbe-rand); vertical-align: top; }
tr:last-child td { border-bottom: none; }
th {
    background: #fafbfc;
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--farbe-text-schwach);
    font-weight: 600;
}

/* Karten / Formulare */
.finvermv-karte {
    background: var(--farbe-flaeche);
    border: 1px solid var(--farbe-rand);
    border-radius: var(--radius);
    padding: 1.5rem;
    margin-top: 1.5rem;
    max-width: 380px;
}

form label { display: block; margin-top: 1rem; font-size: 0.87rem; color: var(--farbe-text-schwach); }
form label:first-child { margin-top: 0; }

input[type=text], input[type=email], input[type=password], input[type=tel],
input[type=datetime-local], input[type=number], input[type=date], select {
    border: 1px solid var(--farbe-rand);
    border-radius: 6px;
    padding: 0.55rem 0.65rem;
    font-size: 0.9rem;
    width: 100%;
    margin-top: 0.3rem;
    font-family: inherit;
}
input:focus, select:focus { outline: 2px solid var(--farbe-primary-hell); outline-offset: 1px; }

/* Passwortfeld mit Sichtbarkeits-Umschalter */
.finvermv-passwort-feld { position: relative; margin-top: 0.3rem; }
.finvermv-passwort-feld input { margin-top: 0; padding-right: 2.4rem; }
.finvermv-passwort-toggle {
    position: absolute;
    top: 0;
    right: 0;
    height: 100%;
    display: flex;
    align-items: center;
    padding: 0 0.65rem;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--farbe-text-schwach);
}
.finvermv-passwort-toggle:hover { color: var(--farbe-text); background: none; }
.finvermv-passwort-toggle svg { width: 18px; height: 18px; display: block; }

button, .finvermv-btn {
    cursor: pointer;
    font-family: inherit;
    font-size: 0.88rem;
    border-radius: 6px;
    border: 1px solid var(--farbe-rand);
    background: var(--farbe-flaeche);
    padding: 0.45rem 0.8rem;
}
button:hover { background: #f0f1f3; }

.finvermv-btn-primary, form button[type=submit] {
    background: var(--farbe-primary);
    color: white;
    border: none;
    padding: 0.6rem 1rem;
    margin-top: 1.5rem;
    width: 100%;
    font-size: 0.92rem;
}
.finvermv-btn-primary:hover, form button[type=submit]:hover { background: var(--farbe-primary-hell); }

/* Meldungen */
#fehler, .finvermv-fehler {
    color: var(--farbe-fehler);
    background: var(--farbe-fehler-bg);
    border: 1px solid var(--farbe-fehler-rand);
    padding: 0.7rem 0.9rem;
    border-radius: 6px;
    margin-top: 1rem;
    display: none;
    font-size: 0.88rem;
}
#erfolg, #ergebnis, .finvermv-erfolg {
    color: var(--farbe-erfolg);
    background: var(--farbe-erfolg-bg);
    border: 1px solid var(--farbe-erfolg-rand);
    padding: 0.7rem 0.9rem;
    border-radius: 6px;
    margin-top: 1rem;
    display: none;
    font-size: 0.88rem;
}

/* Datei-Upload-Dropzone */
.dropzone {
    border: 2px dashed var(--farbe-rand);
    border-radius: var(--radius);
    padding: 1.5rem;
    text-align: center;
    cursor: pointer;
    color: var(--farbe-text-schwach);
    font-size: 0.88rem;
    margin-top: 0.3rem;
    transition: border-color 0.15s, background 0.15s;
}
.dropzone:hover,
.dropzone.dropzone-hover {
    border-color: var(--farbe-primary-hell);
    background: #f4f8fc;
}

/* Öffentliche Seiten ohne Sidebar (Login, Buchung) */
.finvermv-oeffentlich {
    display: flex;
    justify-content: center;
    padding: 2.5rem 1rem;
}
.finvermv-oeffentlich .finvermv-karte {
    width: 100%;
    max-width: 420px;
    margin-top: 0;
    box-shadow: 0 1px 4px rgba(0,0,0,0.08);
}

/* Wochenkalender */
.finvermv-ansicht-umschalter { display: flex; gap: 0.5rem; margin-top: 1.25rem; }
.finvermv-ansicht-umschalter button.aktiv { background: var(--farbe-primary); color: white; border-color: var(--farbe-primary); }

.finvermv-kalender-kopf {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin: 1rem 0 0.5rem;
    font-size: 0.9rem;
}
.finvermv-kalender-kopf button { padding: 0.3rem 0.7rem; }

.finvermv-kalender-scroll { overflow-x: auto; }

.finvermv-kalender-grid {
    display: grid;
    grid-template-columns: 52px repeat(7, minmax(80px, 1fr));
    min-width: 620px;
    background: var(--farbe-flaeche);
    border: 1px solid var(--farbe-rand);
    border-radius: var(--radius);
    overflow: hidden;
    font-size: 0.76rem;
}
.finvermv-kalender-ecke {
    grid-column: 1; grid-row: 1;
    border-bottom: 1px solid var(--farbe-rand);
    border-right: 1px solid var(--farbe-rand);
}
.finvermv-kalender-tagkopf {
    grid-row: 1;
    padding: 0.4rem 0.2rem;
    text-align: center;
    font-weight: 600;
    border-bottom: 1px solid var(--farbe-rand);
    border-left: 1px solid var(--farbe-rand);
    background: #fafbfc;
}
.finvermv-kalender-stunde {
    grid-column: 1;
    padding: 0.1rem 0.3rem;
    color: var(--farbe-text-schwach);
    border-right: 1px solid var(--farbe-rand);
    border-top: 1px solid var(--farbe-rand);
    font-size: 0.68rem;
}
.finvermv-kalender-zelle {
    border-top: 1px solid #f0f1f3;
    border-left: 1px solid #f0f1f3;
    cursor: pointer;
}
.finvermv-kalender-zelle:hover { background: #eef2f7; }
.finvermv-kalender-slot {
    margin: 1px 2px;
    border-radius: 4px;
    padding: 2px 4px;
    line-height: 1.2;
    overflow: hidden;
    cursor: pointer;
    color: white;
    background: var(--farbe-primary-hell);
    z-index: 1;
}
.finvermv-slot-frei { background: #2f7d4f; }
.finvermv-slot-gebucht { background: #b45309; }
.finvermv-slot-frei-buchbar {
    background: #ffffff;
    color: var(--farbe-text);
    border: 1px dashed var(--farbe-primary);
}

.finvermv-kalender-legende { display: flex; gap: 1.25rem; margin-top: 0.75rem; font-size: 0.82rem; color: var(--farbe-text-schwach); }
.finvermv-kalender-legende span { display: inline-flex; align-items: center; gap: 0.4rem; }
.finvermv-kalender-legende i { width: 12px; height: 12px; border-radius: 3px; display: inline-block; }

@media (max-width: 720px) {
    .finvermv-sidebar {
        position: static;
        width: auto;
        flex-direction: row;
        align-items: center;
        gap: 1.25rem;
        padding: 0.85rem 1.1rem;
    }
    .finvermv-brand-tagline { display: none; }
    .finvermv-nav { flex-direction: row; flex-wrap: wrap; flex: 1; }
    .finvermv-sidebar-user {
        border-top: none;
        border-left: 1px solid rgba(255,255,255,0.15);
        padding-top: 0;
        padding-left: 1rem;
        margin-top: 0;
        flex-direction: row;
        align-items: center;
    }
    main.finvermv-main { margin-left: 0; padding: 1.5rem 1.25rem; }
}