/* ============================================
   GLOBAL THEME - Dark Violet & Pink
   70% Dark Background, 20% Violet, 8% Dark Violet, 2% Pink
   ============================================ */

:root {
    /* Base Colors */
    --color-dark-bg: #0a0e27;          /* 70% - Dunkelste Basis */
    --color-dark-bg-secondary: #12152e; /* Etwas heller */
    --color-violet: #6b46c1;            /* 20% - Hauptviolett */
    --color-violet-light: #8b5cf6;      /* Heller Violett Accent */
    --color-dark-violet: #4c1d95;       /* 8% - Dunkelviolett */
    --color-pink: #ec4899;              /* 2% - Pink Highlight */
    --color-pink-dark: #be185d;         /* Dunkleres Pink */
    
    /* Grautöne */
    --color-gray-900: #111827;
    --color-gray-800: #1f2937;
    --color-gray-700: #374151;
    --color-gray-600: #4b5563;
    --color-gray-400: #9ca3af;
    --color-gray-300: #d1d5db;
    --color-gray-200: #e5e7eb;
    
    /* Text & Accents */
    --color-text-primary: #f3f4f6;
    --color-text-secondary: #d1d5db;
    --color-text-accent: #ec4899;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(236, 72, 153, 0.1);
    --shadow-md: 0 4px 6px -1px rgba(107, 70, 193, 0.2);
    --shadow-lg: 0 10px 15px -3px rgba(107, 70, 193, 0.3);
    --shadow-xl: 0 20px 25px -5px rgba(107, 70, 193, 0.4);
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 300ms ease-in-out;
    --transition-slow: 500ms ease-in-out;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-full: 9999px;
}

/* ============================================
   RESET & BASE
   ============================================ */

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--color-dark-bg);
    color: var(--color-text-primary);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    letter-spacing: 0.5px;
}

/* ============================================
   TYPOGRAPHY
   ============================================ */

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    letter-spacing: -0.5px;
    margin-bottom: var(--spacing-md);
}

h1 {
    font-size: 2.5rem;
    background: linear-gradient(135deg, var(--color-pink) 0%, var(--color-violet-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

h2 {
    font-size: 2rem;
    color: var(--color-violet-light);
}

h3 {
    font-size: 1.5rem;
    color: var(--color-violet);
}

h4 {
    font-size: 1.25rem;
    color: var(--color-text-primary);
}

p {
    margin-bottom: var(--spacing-md);
    color: var(--color-text-secondary);
}

a {
    color: var(--color-pink);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--color-violet-light);
}

/* ============================================
   BUTTONS
   ============================================ */

.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: 2px solid transparent;
    text-decoration: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-pink) 0%, var(--color-violet) 100%);
    color: white;
    box-shadow: var(--shadow-md);
}

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

.btn-secondary {
    background-color: var(--color-dark-bg-secondary);
    color: var(--color-violet-light);
    border-color: var(--color-violet);
}

.btn-secondary:hover {
    background-color: var(--color-violet);
    color: white;
}

.btn-ghost {
    background-color: transparent;
    color: var(--color-text-primary);
    border-color: var(--color-gray-700);
}

.btn-ghost:hover {
    background-color: var(--color-dark-bg-secondary);
    border-color: var(--color-pink);
    color: var(--color-pink);
}

.btn-small {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: 0.875rem;
}

/* ============================================
   CARDS & CONTAINERS
   ============================================ */

.card {
    background: linear-gradient(135deg, var(--color-dark-bg-secondary) 0%, rgba(107, 70, 193, 0.1) 100%);
    border: 1px solid var(--color-violet);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.card:hover {
    border-color: var(--color-pink);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--color-violet);
}

.card-title {
    font-size: 1.25rem;
    color: var(--color-violet-light);
}

.card-body {
    color: var(--color-text-secondary);
}

.card-footer {
    display: flex;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(236, 72, 153, 0.2);
}

/* ============================================
   NAVIGATION
   ============================================ */

nav {
    background: linear-gradient(180deg, var(--color-dark-bg-secondary) 0%, var(--color-dark-bg) 100%);
    border-bottom: 2px solid var(--color-violet);
    padding: var(--spacing-lg) var(--spacing-xl);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-md);
}

nav ul {
    list-style: none;
    display: flex;
    gap: var(--spacing-xl);
    align-items: center;
}

nav a {
    color: var(--color-text-primary);
    font-weight: 600;
    position: relative;
    padding-bottom: var(--spacing-xs);
}

nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-pink), var(--color-violet-light));
    transition: width var(--transition-fast);
}

nav a:hover::after {
    width: 100%;
}

/* ============================================
   FORMS
   ============================================ */

input, textarea, select {
    background-color: var(--color-dark-bg-secondary);
    border: 1px solid var(--color-violet);
    color: var(--color-text-primary);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: 1rem;
    transition: all var(--transition-fast);
    font-family: inherit;
}

input:focus, textarea:focus, select:focus {
    outline: none;
    border-color: var(--color-pink);
    box-shadow: 0 0 0 3px rgba(236, 72, 153, 0.1);
}

label {
    display: block;
    margin-bottom: var(--spacing-sm);
    color: var(--color-violet-light);
    font-weight: 600;
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

/* ============================================
   GRID & LAYOUT
   ============================================ */

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-xl);
}

.grid {
    display: grid;
    gap: var(--spacing-lg);
}

.grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid-3 {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.grid-4 {
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

.flex {
    display: flex;
    gap: var(--spacing-md);
}

.flex-center {
    display: flex;
    justify-content: center;
    align-items: center;
}

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

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

/* ============================================
   UTILITIES
   ============================================ */

.mt { margin-top: var(--spacing-md); }
.mb { margin-bottom: var(--spacing-md); }
.ml { margin-left: var(--spacing-md); }
.mr { margin-right: var(--spacing-md); }

.p { padding: var(--spacing-md); }
.pt { padding-top: var(--spacing-md); }
.pb { padding-bottom: var(--spacing-md); }
.pl { padding-left: var(--spacing-md); }
.pr { padding-right: var(--spacing-md); }

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

.text-pink { color: var(--color-pink); }
.text-violet { color: var(--color-violet); }
.text-muted { color: var(--color-text-secondary); }

.bg-pink { background-color: var(--color-pink); }
.bg-violet { background-color: var(--color-violet); }

.border-pink { border-color: var(--color-pink); }
.border-violet { border-color: var(--color-violet); }

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

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

.opacity-50 { opacity: 0.5; }
.opacity-75 { opacity: 0.75; }

/* ============================================
   ANIMATIONS
   ============================================ */

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes glow {
    0%, 100% {
        box-shadow: 0 0 10px rgba(236, 72, 153, 0.5);
    }
    50% {
        box-shadow: 0 0 20px rgba(236, 72, 153, 0.8);
    }
}

.fade-in {
    animation: fadeIn var(--transition-base) ease-out;
}

.slide-in {
    animation: slideInLeft var(--transition-base) ease-out;
}

.glow {
    animation: glow var(--transition-slow) infinite;
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 768px) {
    .container {
        padding: var(--spacing-lg);
    }
    
    h1 {
        font-size: 2rem;
    }
    
    h2 {
        font-size: 1.5rem;
    }
    
    nav ul {
        flex-wrap: wrap;
        gap: var(--spacing-md);
    }
    
    .grid-2, .grid-3, .grid-4 {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    body {
        font-size: 14px;
    }
    
    h1 {
        font-size: 1.5rem;
    }
    
    .container {
        padding: var(--spacing-md);
    }
}