:root {
    --mars-primary: rgb(34, 98, 107);        /* Kopfzeile */
    --mars-secondary: rgb(61, 120, 134);      /* Sidebar */
    --mars-accent-orange: rgb(217, 132, 97);
    --mars-accent-gold: rgb(217, 165, 82);
    --mars-text-dark: #222;
    --mars-bg-light: #f8f9fa;
    --mars-03: rgb(217,165,82);         /* d9 A5 52 */
    --mars-04: rgb(217,193,123);        /* d9 c1 7b */

    /* Gleicher lokaler System-Font-Stack wie kbFrontend (Tailwind font-sans), keine Google Fonts */
    --mars-font-family: ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 0;
}

/* MudBlazor setzt font-family über --mud-typography-*-family Inline-Variablen (Roboto-Fallback);
   hier hart auf den kbFrontend-Font-Stack überschrieben, damit beide Apps gleich aussehen. */
*, *::before, *::after {
    font-family: var(--mars-font-family) !important;
}

.layout-container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    background: white;
}

/* Header */
.header {
    background-color: var(--mars-primary);
    color: white;
    padding: 0.75rem 2rem;
    display: flex;
    align-items: center;
    gap: 2rem;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    z-index: 100;
    flex-shrink: 0;
}

.header-logo {
    height: 45px;
    width: auto;
    display: flex;
    align-items: center;
}

.header-logo img {
    height: 100%;
    width: auto;
}

.header-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin: 0;
    flex-grow: 1;
}

.header-actions {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.header-actions button {
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.9rem;
    transition: background 0.2s;
}

.header-actions button:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* Main Content Area */
.main-content {
    display: flex;
    flex: 1;
    overflow: hidden;
}

/* Sidebar Navigation */
.sidebar {
    background-color: var(--mars-secondary);
    color: white;
    width: 200px;
    padding: 2rem 0;
    overflow-y: auto;
    flex-shrink: 0;
    box-shadow: 2px 0 4px rgba(0,0,0,0.1);
}

.sidebar-menu {
    list-style: none;
    margin: 0;
    padding: 0;
}

.sidebar-menu li {
    margin: 0;
}

.sidebar-menu a {
    display: block;
    padding: 1rem 1.5rem;
    color: white;
    text-decoration: none;
    transition: background 0.2s, padding-left 0.2s;
    border-left: 4px solid transparent;
    cursor: pointer;
}

.sidebar-menu a:hover {
    background-color: rgba(255, 255, 255, 0.1);
    border-left-color: var(--mars-accent-gold);
    padding-left: 2rem;
}

.sidebar-menu a.active {
    background-color: rgba(255, 255, 255, 0.15);
    border-left-color: var(--mars-accent-gold);
    font-weight: 600;
}

/* Content Area */
.content {
    flex: 1;
    padding: 2rem;
    overflow-y: auto;
    background: var(--mars-bg-light);
}

/* Auth Check Alert */
.auth-alert {
    background: #fff3cd;
    border: 1px solid #ffc107;
    color: #856404;
    padding: 1rem;
    border-radius: 4px;
    margin-bottom: 2rem;
}

/* Responsive */
@media (max-width: 768px) {
    .header {
        flex-wrap: wrap;
    }

    .sidebar {
        width: 160px;
        padding: 1rem 0;
    }

    .sidebar-menu a {
        padding: 0.75rem 1rem;
        font-size: 0.9rem;
    }

    .content {
        padding: 1.5rem;
    }
}