/* ===================================
   MODERN DESIGN SYSTEM - MHoff Online
   =================================== */

/* === CSS Custom Properties === */
:root {
    /* Farbpalette */
    --color-primary: #0078D4;
    --color-primary-dark: #005A9E;
    --color-primary-light: #50A4FF;
    --color-accent: #00BCF2;
    --color-success: #10B981;
    --color-danger: #EF4444;
    --color-warning: #F59E0B;
    --color-info: #3B82F6;
    /* Neutrale Farben */
    --color-surface: #FFFFFF;
    --color-background: #F3F4F6;
    --color-background-alt: #F9FAFB;
    --color-text: #1F2937;
    --color-text-secondary: #6B7280;
    --color-text-tertiary: #9CA3AF;
    --color-border: #E5E7EB;
    --color-border-light: #F3F4F6;
    /* Schatten */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-2xl: 24px;
    --radius-full: 9999px;
    /* Spacing (8px Grid System) */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
    --spacing-3xl: 64px;
    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 200ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 300ms cubic-bezier(0.4, 0, 0.2, 1);
    /* Z-Index Layers */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;
}

/* === Global Base Styles === */
body {
    font-family: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    line-height: 1.6;
    color: var(--color-text);
    letter-spacing: -0.01em;
}

/* === Typography === */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.2;
    color: var(--color-text);
    letter-spacing: -0.02em;
}

h1 {
    font-size: 2.25rem;
}

h2 {
    font-size: 1.875rem;
}

h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-lg);
}

h4 {
    font-size: 1.25rem;
}

h5 {
    font-size: 1.125rem;
}

h6 {
    font-size: 1rem;
}

/* === Links === */
a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-primary-dark);
}

/* === Buttons === */
.btn {
    border-radius: var(--radius-md);
    padding: 5px 10px;
    font-weight: 500;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-sm);
    border: none;
    cursor: pointer;
    justify-content: center;
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn:active {
    transform: translateY(0);
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: white;
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, #004280 100%);
}

.btn-success {
    background: var(--color-success);
    color: white;
}

.btn-danger {
    background: var(--color-danger);
    color: white;
}

.btn-warning {
    background: var(--color-warning);
    color: white;
}

.btn-secondary {
    background: var(--color-background);
    color: var(--color-text);
    border: 1px solid var(--color-border);
}

.btn i {
    font-size: 1.1em;
}

/* === Cards === */
.card, .rz-card {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    border: 1px solid var(--color-border-light);
    overflow: hidden;
}

.card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-2px);
}

.rz-card {
    box-shadow: var(--shadow-md) !important;
}

/* === Alerts === */
.alert {
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    border: none;
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.alert i {
    font-size: 1.25em;
}

.alert-success {
    background: linear-gradient(135deg, #ECFDF5 0%, #D1FAE5 100%);
    color: #065F46;
    border-left: 4px solid var(--color-success);
}

.alert-warning {
    background: linear-gradient(135deg, #FFFBEB 0%, #FEF3C7 100%);
    color: #92400E;
    border-left: 4px solid var(--color-warning);
}

.alert-danger {
    background: linear-gradient(135deg, #FEF2F2 0%, #FEE2E2 100%);
    color: #991B1B;
    border-left: 4px solid var(--color-danger);
}

.alert-info {
    background: linear-gradient(135deg, #EFF6FF 0%, #DBEAFE 100%);
    color: #1E40AF;
    border-left: 4px solid var(--color-info);
}

/* === Tables === */
table {
    border-collapse: separate;
    border-spacing: 0;
    width: 100%;
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

thead {
    background: linear-gradient(135deg, #F9FAFB 0%, #F3F4F6 100%);
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    backdrop-filter: blur(8px);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

thead th {
    padding: var(--spacing-md);
    font-weight: 600;
    color: var(--color-text);
    text-align: left;
    border-bottom: 2px solid var(--color-border);
}

tbody tr {
    transition: background-color var(--transition-fast);
    border-bottom: 1px solid var(--color-border-light);
}

tbody tr:nth-child(even) {
    background: rgba(249, 250, 251, 0.5);
}

tbody tr:hover {
    background: rgba(0, 120, 212, 0.05);
    cursor: pointer;
}

tbody td {
    padding: var(--spacing-md);
}

/* === Navigation - Globale Styles === */
.sidebar {
    background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    box-shadow: var(--shadow-lg);
}

.navbar-toggler {
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    transition: all var(--transition-fast);
    border: none;
}

.navbar-toggler:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

.top-row {
    height: 3.5rem;
    background: rgba(0, 0, 0, 0.4);
    box-shadow: var(--shadow-sm);
}

.navbar-brand {
    font-size: 1.1rem;
    font-weight: 600;
    color: #fff;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo {
    height: 32px;
    width: auto;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

.nav-item {
    color: #d7d7d7;
    font-size: 0.9rem;
    position: relative;
}

.nav-link {
    border-radius: var(--radius-md);
    margin: var(--spacing-xs) var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    transition: all var(--transition-fast);
    display: flex;
    color: #d7d7d7;
    align-items: center;
    gap: var(--spacing-sm);
    border-left: 3px solid transparent;
}

.nav-link:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateX(4px);
    color: white;
    box-shadow: var(--shadow-sm);
}

.nav-link.active {
    background-color: rgba(255, 255, 255, 0.15);
    color: white;
    border-left-color: var(--color-accent);
    font-weight: 500;
}

.nav-link i {
    font-size: 1.1em;
    width: 20px;
    text-align: center;
}

.nav-scrollable {
    overflow-y: auto;
    max-height: calc(100vh - 3.5rem);
}

.nav-scrollable::-webkit-scrollbar {
    width: 6px;
}

.nav-scrollable::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.05);
}

.nav-scrollable::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
}

.nav-scrollable::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.3);
}

.dropdown-divider {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin: var(--spacing-sm) 0;
}

.bottom {
    margin-top: auto;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

/* === Responsive Navigation === */
@media (min-width: 641px) {
    .navbar-toggler {
        display: none;
    }

    .collapse {
        display: block;
    }
}

@media (max-width: 640.98px) {
    .top-row:not(.auth) {
        background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    }

    .top-row:not(.auth) .navbar-brand {
        color: white !important;
    }
}

/* === Badges === */
.badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 2px 8px;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    background: var(--color-danger);
    color: white;
    box-shadow: var(--shadow-sm);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }

    50% {
        transform: scale(1.05);
        opacity: 0.9;
    }
}

/* === Forms === */
.form-control, .rz-textbox, input[type="text"],
input[type="email"], input[type="password"],
textarea, select {
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    transition: all var(--transition-fast);
    background: var(--color-surface);
}

.form-control:focus, .rz-textbox:focus,
input:focus, textarea:focus, select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(0, 120, 212, 0.1);
}

.form-label {
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
}

/* === Loading States === */
.loading-progress {
    filter: drop-shadow(0 0 10px rgba(255, 255, 255, 0.5));
}

.loading-progress circle:last-child {
    stroke: white;
}

/* === Utility Classes === */
.glass-effect {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.elevation-1 {
    box-shadow: var(--shadow-sm);
}

.elevation-2 {
    box-shadow: var(--shadow-md);
}

.elevation-3 {
    box-shadow: var(--shadow-lg);
}

.elevation-4 {
    box-shadow: var(--shadow-xl);
}

.elevation-5 {
    box-shadow: var(--shadow-2xl);
}

.rounded-sm {
    border-radius: var(--radius-sm);
}

.rounded-md {
    border-radius: var(--radius-md);
}

.rounded-lg {
    border-radius: var(--radius-lg);
}

.rounded-xl {
    border-radius: var(--radius-xl);
}

.rounded-2xl {
    border-radius: var(--radius-2xl);
}

.rounded-full {
    border-radius: var(--radius-full);
}

/* === Radzen Overrides === */
.rz-button {
    border-radius: var(--radius-md) !important;
    transition: all var(--transition-base) !important;
}

.rz-button:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md) !important;
}

.rz-datalist-data {
    gap: var(--spacing-md);
}

.rz-grid {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

/* === Responsive === */
@media (max-width: 768px) {
    :root {
        --spacing-md: 12px;
        --spacing-lg: 20px;
        --spacing-xl: 28px;
    }

    h3 {
        font-size: 1.25rem;
    }

    .btn {
        padding: 8px 16px;
    }
}

/* === Animations === */
@keyframes slideInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

.animate-slide-in {
    animation: slideInUp 0.3s ease-out;
}

.animate-fade-in {
    animation: fadeIn 0.3s ease-out;
}

/* === Skeleton Loader === */
.skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
    border-radius: var(--radius-md);
}

@keyframes loading {
    0% {
        background-position: 200% 0;
    }

    100% {
        background-position: -200% 0;
    }
}

.skeleton-text {
    height: 1rem;
    margin-bottom: var(--spacing-sm);
}

.skeleton-title {
    height: 1.5rem;
    width: 60%;
    margin-bottom: var(--spacing-md);
}

/* === Dark Mode Support (vorbereitet) === */
@media (prefers-color-scheme: dark) {
    /* Wird später aktiviert wenn gewünscht */
}