/* Reset und Basis-Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #1a1a1a;
    background: linear-gradient(135deg, #1e3a8a 0%, #1e40af 25%, #3b82f6 50%, #1e40af 75%, #1e3a8a 100%);
    min-height: 100vh;
}

/* CSS-Variablen - MTV Darts Farben */
:root {
    --mtv-blue: #0066cc;
    --mtv-blue-light: #4d94ff;
    --mtv-blue-dark: #004499;
    --mtv-blue-transparent: rgba(0, 102, 204, 0.1);
    
    --mtv-yellow: #ffcc00;
    --mtv-yellow-light: #ffdd33;
    --mtv-yellow-dark: #e6b800;
    --mtv-yellow-transparent: rgba(255, 204, 0, 0.15);
    
    --primary-color: var(--mtv-blue);
    --primary-hover: var(--mtv-blue-dark);
    --secondary-color: var(--mtv-yellow);
    --secondary-hover: var(--mtv-yellow-dark);
    
    --success: #10b981;
    --success-light: #d1fae5;
    --danger: #ef4444;
    --danger-light: #fee2e2;
    --warning: var(--mtv-yellow);
    --warning-light: var(--mtv-yellow-transparent);
    --info: var(--mtv-blue);
    --info-light: var(--mtv-blue-transparent);
    
    --text-primary: #1a1a1a;
    --text-secondary: #4a5568;
    --text-muted: #718096;
    
    --bg-primary: rgba(255, 255, 255, 0.9);
    --bg-secondary: rgba(255, 255, 255, 0.7);
    --bg-muted: rgba(255, 255, 255, 0.5);
    --bg-card: rgba(255, 255, 255, 0.95);
    
    --border-color: rgba(0, 102, 204, 0.2);
    --border-hover: rgba(0, 102, 204, 0.4);
    
    --shadow-sm: 0 2px 8px rgba(0, 102, 204, 0.1);
    --shadow-md: 0 8px 25px rgba(0, 102, 204, 0.15);
    --shadow-lg: 0 20px 40px rgba(0, 102, 204, 0.2);
    --shadow-xl: 0 25px 50px rgba(0, 102, 204, 0.25);
    
    --radius-sm: 12px;
    --radius-md: 16px;
    --radius-lg: 20px;
    --radius-xl: 24px;
    --radius-full: 9999px;
    
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
}

/* Utility Classes */
.hidden {
    display: none !important;
}

.flex {
    display: flex;
}

.flex-col {
    flex-direction: column;
}

.items-center {
    align-items: center;
}

.justify-center {
    justify-content: center;
}

.justify-between {
    justify-content: space-between;
}

.w-full {
    width: 100%;
}

.h-full {
    height: 100%;
}

.text-center {
    text-align: center;
}

.text-left {
    text-align: left;
}

.text-right {
    text-align: right;
}

/* Spacing */
.space-y-1 > * + * { margin-top: var(--spacing-xs); }
.space-y-2 > * + * { margin-top: var(--spacing-sm); }
.space-y-4 > * + * { margin-top: var(--spacing-md); }
.space-y-6 > * + * { margin-top: var(--spacing-lg); }
.space-y-8 > * + * { margin-top: var(--spacing-xl); }

.mb-2 { margin-bottom: var(--spacing-sm); }
.mb-4 { margin-bottom: var(--spacing-md); }
.mb-6 { margin-bottom: var(--spacing-lg); }
.mb-8 { margin-bottom: var(--spacing-xl); }

.mt-4 { margin-top: var(--spacing-md); }
.mt-6 { margin-top: var(--spacing-lg); }

.ml-2 { margin-left: var(--spacing-sm); }
.mr-2 { margin-right: var(--spacing-sm); }

/* Grid */
.grid {
    display: grid;
}

.grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
}

.gap-2 { gap: var(--spacing-sm); }
.gap-4 { gap: var(--spacing-md); }
.gap-6 { gap: var(--spacing-lg); }

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* Page Layout */
.page {
    min-height: 100vh;
    padding: var(--spacing-xl) 0;
}

.page-content {
    display: none;
}

.page-content.active {
    display: block;
}

/* Navigation - iOS 26 Style */
.navbar {
    background: linear-gradient(135deg, var(--mtv-yellow), var(--mtv-yellow-light));
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 2px solid var(--mtv-yellow-dark);
    padding: var(--spacing-md) 0;
    box-shadow: var(--shadow-md);
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.navbar-logo {
    height: 48px;
    width: auto;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

.navbar-title {
    font-size: 1.75rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--mtv-blue), var(--mtv-blue-dark));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.navbar-menu {
    display: flex;
    gap: var(--spacing-lg);
}

.nav-link {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 600;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-full);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.nav-link:hover {
    color: var(--mtv-blue);
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.nav-link.active {
    color: white;
    background: linear-gradient(135deg, var(--mtv-blue), var(--mtv-blue-light));
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

/* Cards - iOS 26 Glassmorphism */
.card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    position: relative;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--mtv-blue), var(--mtv-yellow));
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.card:hover {
    box-shadow: var(--shadow-xl);
    transform: translateY(-8px) scale(1.02);
}

.card-header {
    padding: var(--spacing-xl);
    border-bottom: 1px solid var(--border-color);
    background: rgba(255, 255, 255, 0.95);
    position: relative;
    border-radius: var(--radius-lg);
}

.card-header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, var(--mtv-blue), var(--mtv-yellow));
}

.card-title {
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--mtv-blue);
    margin-bottom: var(--spacing-sm);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    position: relative;
    z-index: 2;
    display: block;
}

.card-subtitle {
    font-size: 1.2rem;
    color: var(--text-secondary);
    font-weight: 500;
    display: block;
    margin-top: var(--spacing-xs);
}

.card-body {
    padding: var(--spacing-xl);
    background: rgba(255, 255, 255, 0.9);
}

/* Buttons - iOS 26 Style mit besserer Positionierung */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-sm) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-full);
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    white-space: nowrap;
    min-height: 48px;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    margin: var(--spacing-xs);
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.btn:hover::before {
    left: 100%;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

.btn-primary {
    background: linear-gradient(135deg, var(--mtv-blue), var(--mtv-blue-light));
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover:not(:disabled) {
    background: linear-gradient(135deg, var(--mtv-blue-dark), var(--mtv-blue));
    transform: translateY(-4px) scale(1.05);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: linear-gradient(135deg, var(--mtv-yellow), var(--mtv-yellow-light));
    color: var(--text-primary);
    box-shadow: var(--shadow-md);
}

.btn-secondary:hover:not(:disabled) {
    background: linear-gradient(135deg, var(--mtv-yellow-dark), var(--mtv-yellow));
    transform: translateY(-4px) scale(1.05);
    box-shadow: var(--shadow-lg);
}

.btn-success {
    background: linear-gradient(135deg, var(--success), #059669);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-success:hover:not(:disabled) {
    background: linear-gradient(135deg, #059669, var(--success));
    transform: translateY(-4px) scale(1.05);
    box-shadow: var(--shadow-lg);
}

.btn-danger {
    background: linear-gradient(135deg, var(--danger), #dc2626);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-danger:hover:not(:disabled) {
    background: linear-gradient(135deg, #dc2626, var(--danger));
    transform: translateY(-4px) scale(1.05);
    box-shadow: var(--shadow-lg);
}

.btn-outline {
    background: transparent;
    color: var(--mtv-blue);
    border: 2px solid var(--mtv-blue);
    box-shadow: none;
}

.btn-outline:hover:not(:disabled) {
    background: var(--mtv-blue);
    color: white;
    transform: translateY(-4px) scale(1.05);
    box-shadow: var(--shadow-md);
}

.btn-sm {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: 0.85rem;
    min-height: 40px;
}

.btn-lg {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1.1rem;
    min-height: 56px;
}

/* Forms - iOS 26 Style */
.input {
    width: 100%;
    padding: var(--spacing-md) var(--spacing-lg);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 1rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    background: var(--bg-primary);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.input:focus {
    outline: none;
    border-color: var(--mtv-blue);
    box-shadow: 0 0 0 4px var(--mtv-blue-transparent);
    transform: translateY(-2px);
}

.input:disabled {
    background: var(--bg-muted);
    cursor: not-allowed;
}

/* Labels */
label {
    display: block;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
    font-size: 0.95rem;
}

/* Status Badges */
.status {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-full);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: var(--shadow-sm);
}

.status.aktiv {
    background: linear-gradient(135deg, #dcfce7, #bbf7d0);
    color: #166534;
    border: 1px solid #10b981;
}

.status.inaktiv {
    background: linear-gradient(135deg, #fef2f2, #fecaca);
    color: #991b1b;
    border: 1px solid #ef4444;
}

/* Spinner */
.spinner {
    border: 3px solid var(--border-color);
    border-top: 3px solid var(--mtv-blue);
    border-radius: 50%;
    width: 24px;
    height: 24px;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Animations */
.fade-in {
    animation: fadeIn 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes fadeIn {
    from { 
        opacity: 0; 
        transform: translateY(30px) scale(0.95); 
    }
    to { 
        opacity: 1; 
        transform: translateY(0) scale(1); 
    }
}

/* Responsive */
@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .navbar-menu {
        display: none;
    }
    
    .grid-2 {
        grid-template-columns: 1fr;
    }
    
    .card-header {
        padding: var(--spacing-lg);
    }
    
    .btn {
        width: 100%;
        margin-bottom: var(--spacing-sm);
    }
    
    .card-title {
        font-size: 1.75rem;
    }
}