/**
 * DATAsoft Escort - Design System V5.0
 * 
 * Jung, Dynamisch, Übersichtlich, Illustrativ, Perfekt
 * 
 * @package DATAsoft_Escort_Core
 * @version 5.0.0
 */

/* ============================================================================
   CSS VARIABLES (Design-Tokens)
   ============================================================================ */

:root {
  /* FARBEN - Jung & Dynamisch */
  --color-primary: #E91E63;           /* Pink/Magenta - Lebendig */
  --color-primary-light: #F48FB1;     /* Heller Pink */
  --color-primary-dark: #C2185B;      /* Dunkler Pink */
  
  --color-secondary: #9C27B0;         /* Lila - Premium */
  --color-secondary-light: #CE93D8;   /* Heller Lila */
  --color-secondary-dark: #7B1FA2;    /* Dunkler Lila */
  
  --color-accent: #FF5722;            /* Orange - Energie */
  --color-accent-light: #FF8A65;      /* Heller Orange */
  --color-accent-dark: #E64A19;       /* Dunkler Orange */
  
  --color-success: #4CAF50;           /* Grün - Positiv */
  --color-success-light: #81C784;     /* Heller Grün */
  --color-success-dark: #388E3C;      /* Dunkler Grün */
  
  --color-warning: #FFC107;           /* Gelb - Aufmerksamkeit */
  --color-warning-light: #FFD54F;     /* Heller Gelb */
  --color-warning-dark: #FFA000;      /* Dunkler Gelb */
  
  --color-error: #F44336;             /* Rot - Warnung */
  --color-error-light: #E57373;       /* Heller Rot */
  --color-error-dark: #D32F2F;        /* Dunkler Rot */
  
  --color-background: #FAFAFA;        /* Sehr hell - Sauber */
  --color-surface: #FFFFFF;           /* Weiß - Cards */
  --color-overlay: rgba(0, 0, 0, 0.5); /* Overlay */
  
  --color-text: #212121;              /* Fast schwarz - Lesbar */
  --color-text-secondary: #757575;    /* Grau - Hierarchie */
  --color-text-disabled: #BDBDBD;     /* Hellgrau - Disabled */
  --color-text-inverse: #FFFFFF;      /* Weiß - Auf dunklem BG */
  
  --color-border: #E0E0E0;            /* Hellgrau - Borders */
  --color-divider: #F5F5F5;           /* Sehr hellgrau - Divider */
  
  /* TYPOGRAFIE - Modern & Lesbar */
  --font-heading: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  
  --font-size-h1: 32px;
  --font-size-h2: 24px;
  --font-size-h3: 20px;
  --font-size-h4: 18px;
  --font-size-body: 16px;
  --font-size-small: 14px;
  --font-size-tiny: 12px;
  
  --font-weight-regular: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  
  --line-height-tight: 1.2;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.8;
  
  /* SPACING - 8px Grid-System */
  --space-1: 8px;
  --space-2: 16px;
  --space-3: 24px;
  --space-4: 32px;
  --space-5: 40px;
  --space-6: 48px;
  --space-8: 64px;
  --space-10: 80px;
  
  /* SHADOWS - Tiefe */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
  --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.16);
  --shadow-sticky: 0 2px 12px rgba(0, 0, 0, 0.1);
  
  /* BORDER-RADIUS - Modern */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --radius-full: 9999px;
  
  /* TRANSITIONS - Smooth */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Z-INDEX - Layering */
  --z-dropdown: 1000;
  --z-sticky: 1100;
  --z-modal: 1200;
  --z-tooltip: 1300;
  
  /* BREAKPOINTS (für JS) */
  --breakpoint-mobile: 768px;
  --breakpoint-tablet: 1024px;
  --breakpoint-desktop: 1280px;
  --breakpoint-wide: 1920px;
}

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

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: var(--font-size-body);
  font-weight: var(--font-weight-regular);
  line-height: var(--line-height-normal);
  color: var(--color-text);
  background-color: var(--color-background);
}

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  margin-bottom: var(--space-2);
  color: var(--color-text);
}

h1 { font-size: var(--font-size-h1); }
h2 { font-size: var(--font-size-h2); }
h3 { font-size: var(--font-size-h3); }
h4 { font-size: var(--font-size-h4); }

p {
  margin-bottom: var(--space-2);
  line-height: var(--line-height-relaxed);
}

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

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

strong, b {
  font-weight: var(--font-weight-bold);
}

small {
  font-size: var(--font-size-small);
  color: var(--color-text-secondary);
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
  padding: 12px 24px;
  font-family: var(--font-heading);
  font-size: var(--font-size-body);
  font-weight: var(--font-weight-semibold);
  line-height: 1;
  text-align: center;
  white-space: nowrap;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-normal);
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

/* Button Variants */
.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

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

.btn-secondary:hover {
  background-color: var(--color-background);
  border-color: var(--color-primary);
}

.btn-accent {
  background-color: var(--color-accent);
  color: var(--color-text-inverse);
}

.btn-accent:hover {
  background-color: var(--color-accent-dark);
}

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

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

/* Button Sizes */
.btn-sm {
  padding: 8px 16px;
  font-size: var(--font-size-small);
}

.btn-lg {
  padding: 16px 32px;
  font-size: var(--font-size-h4);
}

.btn-block {
  width: 100%;
}

/* Button Icon-Only */
.btn-icon {
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: var(--radius-full);
}

.btn-icon-sm {
  width: 32px;
  height: 32px;
}

.btn-icon-lg {
  width: 48px;
  height: 48px;
}

/* ============================================================================
   CARDS
   ============================================================================ */

.card {
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  transition: all var(--transition-normal);
}

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

.card-header {
  padding: var(--space-3);
  border-bottom: 1px solid var(--color-divider);
}

.card-body {
  padding: var(--space-3);
}

.card-footer {
  padding: var(--space-3);
  border-top: 1px solid var(--color-divider);
  background-color: var(--color-background);
}

/* ============================================================================
   BADGES
   ============================================================================ */

.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 12px;
  font-size: var(--font-size-tiny);
  font-weight: var(--font-weight-semibold);
  line-height: 1;
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.badge-primary {
  background-color: var(--color-primary);
  color: var(--color-text-inverse);
}

.badge-secondary {
  background-color: var(--color-secondary);
  color: var(--color-text-inverse);
}

.badge-success {
  background-color: var(--color-success);
  color: var(--color-text-inverse);
}

.badge-warning {
  background-color: var(--color-warning);
  color: var(--color-text);
}

.badge-error {
  background-color: var(--color-error);
  color: var(--color-text-inverse);
}

.badge-vip {
  background: linear-gradient(135deg, #FFD700, #FFA500);
  color: #000;
  font-weight: var(--font-weight-bold);
  box-shadow: 0 2px 8px rgba(255, 215, 0, 0.4);
}

.badge-new {
  background-color: var(--color-success);
  color: var(--color-text-inverse);
  animation: pulse 2s infinite;
}

.badge-verified {
  background-color: #2196F3;
  color: var(--color-text-inverse);
}

.badge-online {
  background-color: var(--color-success);
  color: var(--color-text-inverse);
  animation: pulse 2s infinite;
}

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

.form-group {
  margin-bottom: var(--space-3);
}

.form-label {
  display: block;
  margin-bottom: var(--space-1);
  font-size: var(--font-size-small);
  font-weight: var(--font-weight-medium);
  color: var(--color-text);
}

.form-control {
  width: 100%;
  padding: 12px 16px;
  font-family: var(--font-body);
  font-size: var(--font-size-body);
  line-height: 1.5;
  color: var(--color-text);
  background-color: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: all var(--transition-fast);
}

.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(233, 30, 99, 0.1);
}

.form-control::placeholder {
  color: var(--color-text-disabled);
}

select.form-control {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23757575' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 40px;
}

textarea.form-control {
  min-height: 120px;
  resize: vertical;
}

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

/* Spacing */
.mt-1 { margin-top: var(--space-1); }
.mt-2 { margin-top: var(--space-2); }
.mt-3 { margin-top: var(--space-3); }
.mt-4 { margin-top: var(--space-4); }

.mb-1 { margin-bottom: var(--space-1); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-3 { margin-bottom: var(--space-3); }
.mb-4 { margin-bottom: var(--space-4); }

.p-1 { padding: var(--space-1); }
.p-2 { padding: var(--space-2); }
.p-3 { padding: var(--space-3); }
.p-4 { padding: var(--space-4); }

/* Text Alignment */
.text-left { text-align: left; }
.text-center { text-align: center; }
.text-right { text-align: right; }

/* Text Colors */
.text-primary { color: var(--color-primary); }
.text-secondary { color: var(--color-text-secondary); }
.text-success { color: var(--color-success); }
.text-warning { color: var(--color-warning); }
.text-error { color: var(--color-error); }

/* Display */
.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }
.d-inline-flex { display: inline-flex; }

/* Flex */
.flex-row { flex-direction: row; }
.flex-column { flex-direction: column; }
.justify-start { justify-content: flex-start; }
.justify-center { justify-content: center; }
.justify-end { justify-content: flex-end; }
.justify-between { justify-content: space-between; }
.align-start { align-items: flex-start; }
.align-center { align-items: center; }
.align-end { align-items: flex-end; }
.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }

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

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.7;
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

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

@keyframes shimmer {
  0% {
    background-position: -1000px 0;
  }
  100% {
    background-position: 1000px 0;
  }
}

.animate-fadeIn {
  animation: fadeIn var(--transition-normal) ease-out;
}

.animate-slideInUp {
  animation: slideInUp var(--transition-normal) ease-out;
}

/* ============================================================================
   SKELETON SCREENS
   ============================================================================ */

.skeleton {
  background: linear-gradient(
    90deg,
    #f0f0f0 25%,
    #e0e0e0 50%,
    #f0f0f0 75%
  );
  background-size: 1000px 100%;
  animation: shimmer 2s infinite;
  border-radius: var(--radius-md);
}

.skeleton-text {
  height: 16px;
  margin-bottom: var(--space-1);
}

.skeleton-title {
  height: 24px;
  width: 60%;
  margin-bottom: var(--space-2);
}

.skeleton-image {
  width: 100%;
  padding-bottom: 75%; /* 4:3 Aspect Ratio */
}

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

@media (max-width: 767px) {
  :root {
    --font-size-h1: 24px;
    --font-size-h2: 20px;
    --font-size-h3: 18px;
    --font-size-body: 14px;
  }
  
  .btn {
    padding: 10px 20px;
  }
  
  .btn-lg {
    padding: 14px 28px;
  }
}

/* ============================================================================
   DARK MODE (Optional - für später)
   ============================================================================ */

@media (prefers-color-scheme: dark) {
  /* Dark Mode Styles hier später hinzufügen */
}

/* ============================================================================
   PRINT STYLES
   ============================================================================ */

@media print {
  * {
    background: transparent !important;
    color: black !important;
    box-shadow: none !important;
    text-shadow: none !important;
  }
  
  a, a:visited {
    text-decoration: underline;
  }
  
  .no-print {
    display: none !important;
  }
}