/* =========================================
   Authentifizierungs-Container (Login/Registrierung)
   ========================================= */
.auth-container {
    max-width: 450px;
    margin: 60px auto;
    padding: 40px;
    background-color: #ffffff;
    border: 1px solid var(--border-color, #e1e3e5);
    border-radius: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

.auth-title {
    text-align: center;
    margin-top: 0;
    margin-bottom: 30px;
    font-size: 1.5rem;
    color: var(--text-main, #202223);
}

/* =========================================
   Tabs / Reiter
   ========================================= */
.tabs {
    display: flex;
    margin-bottom: 30px;
    border-bottom: 1px solid var(--border-color, #e1e3e5);
}

.tabs a {
    flex: 1;
    text-align: center;
    padding: 12px 10px;
    text-decoration: none;
    color: var(--text-muted, #6d7175);
    font-weight: 600;
    font-size: 0.95rem;
    transition: color 0.2s ease, border-color 0.2s ease;
    margin-bottom: -1px; /* Zieht den Border über den Container-Border */
    border-bottom: 2px solid transparent;
}

.tabs a:hover {
    color: var(--text-main, #202223);
}

.tabs a.active {
    color: var(--primary-color, #1a8b3d); /* Passe den HEX-Wert an dein Grün an */
    border-bottom: 2px solid var(--primary-color, #1a8b3d);
}

/* =========================================
   Formular-Elemente
   ========================================= */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-main, #202223);
}

.form-control {
    width: 100%;
    padding: 12px;
    font-size: 1rem;
    font-family: inherit;
    color: var(--text-main, #202223);
    border: 1px solid var(--border-color, #e1e3e5);
    border-radius: 6px;
    box-sizing: border-box;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color, #1a8b3d);
    box-shadow: 0 0 0 3px rgba(26, 139, 61, 0.15); /* Leichter Fokus-Ring in Grün */
}

.form-control::placeholder {
    color: var(--text-muted, #9ca3af);
}

/* Anpassung für den Action-Button im Formular */
.auth-btn {
    width: 100%;
    margin-top: 10px;
    text-align: center;
    display: block;
    box-sizing: border-box;
}

/* =========================================
   Hilfsklassen
   ========================================= */
.hidden {
    display: none;
}
/* Neutrale Meldung nach fehlgeschlagenem Login (F-053 S1) */
.auth-error {
    margin-bottom: 15px;
    padding: 10px 12px;
    border: 1px solid #f5c2c0;
    border-radius: 6px;
    background-color: #fff4f4;
    color: #d72c0d;
    font-size: 0.9rem;
}