/* BSW Bürokratie-Shredder - Vanilla CSS */
/* Basierend auf KDV-App Farbschema */

:root {
  /* BSW Farbpalette (wie KDV-App) */
  --bsw-primary: #C41E68;         /* BSW Magenta */
  --bsw-primary-light: #E84E1B;   /* BSW Orange */
  --bsw-primary-dark: #9A1854;
  --bsw-accent: #F5A623;          /* BSW Gelb-Orange */
  --bsw-accent-light: #F7B84E;

  /* BSW Gradient */
  --gradient-bsw: linear-gradient(90deg, #C41E68 0%, #E84E1B 50%, #F5A623 100%);
  --gradient-bsw-vertical: linear-gradient(180deg, #C41E68 0%, #E84E1B 50%, #F5A623 100%);

  /* Aliases für einfache Nutzung */
  --bsw-red: #C41E68;
  --bsw-red-dark: #9A1854;
  --bsw-red-light: #E84E1B;
  --bsw-dark: #1a1a1a;
  --bsw-dark-light: #2d2d2d;

  /* Neutrals */
  --white: #ffffff;
  --gray-50: #F9F9F9;
  --gray-100: #f3f4f6;
  --gray-200: #E5E7EB;
  --gray-300: #d1d5db;
  --gray-400: #9ca3af;
  --gray-500: #6B7280;
  --gray-600: #4b5563;
  --gray-700: #374151;
  --gray-800: #1f2937;
  --gray-900: #111827;

  /* Semantische Farben (wie KDV) */
  --success: #2D7D46;
  --success-light: #d1fae5;
  --warning: #D97706;
  --danger: #DC2626;
  --info: #2563EB;

  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;
  --spacing-3xl: 4rem;

  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 200ms ease;
  --transition-slow: 300ms ease;
}

/* Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
  line-height: 1.6;
  color: var(--gray-800);
  background: var(--white);
  min-height: 100vh;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--gray-900);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

@media (min-width: 768px) {
  h1 { font-size: 3.5rem; }
  h2 { font-size: 2.5rem; }
  h3 { font-size: 1.75rem; }
}

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

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

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

/* Container */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

@media (min-width: 768px) {
  .container {
    padding: 0 var(--spacing-xl);
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  border: none;
  cursor: pointer;
  transition: all var(--transition-normal);
  text-decoration: none;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--gradient-bsw);
  color: var(--white);
  border: none;
}

.btn-primary:hover:not(:disabled) {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(196, 30, 104, 0.4);
  filter: brightness(1.1);
}

.btn-secondary {
  background: var(--white);
  color: var(--bsw-primary);
  border: 2px solid var(--bsw-primary);
}

.btn-secondary:hover:not(:disabled) {
  background: var(--gradient-bsw);
  color: var(--white);
  border-color: transparent;
}

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

.btn-dark:hover:not(:disabled) {
  background: var(--bsw-dark-light);
}

.btn-large {
  padding: 1rem 2rem;
  font-size: 1.125rem;
}

.btn-small {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
}

.btn-icon {
  width: 44px;
  height: 44px;
  padding: 0;
  border-radius: var(--radius-lg);
}

/* Cards */
.card {
  background: var(--white);
  border-radius: var(--radius-xl);
  padding: var(--spacing-xl);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--gray-100);
}

.card-dark {
  background: var(--bsw-dark);
  color: var(--white);
  border: none;
}

.card-dark h1, .card-dark h2, .card-dark h3, .card-dark h4 {
  color: var(--white);
}

/* Header / Navigation */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  border-bottom: 1px solid var(--gray-200);
  padding: var(--spacing-md) 0;
}

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

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  font-weight: 700;
  font-size: 1.25rem;
  color: var(--gray-900);
}

.logo-icon {
  width: 40px;
  height: 40px;
}

.nav {
  display: none;
}

@media (min-width: 768px) {
  .nav {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
  }
}

.nav-link {
  color: var(--gray-600);
  font-weight: 500;
  transition: color var(--transition-fast);
}

.nav-link:hover {
  color: var(--bsw-red);
}

/* Hero Section */
.hero {
  padding: var(--spacing-3xl) 0;
  text-align: center;
  background: linear-gradient(180deg, var(--gray-50) 0%, var(--white) 100%);
}

.hero-title {
  margin-bottom: var(--spacing-md);
}

.hero-title .highlight {
  background: var(--gradient-bsw);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--gray-600);
  max-width: 600px;
  margin: 0 auto var(--spacing-xl);
}

/* Counter Section */
.counter-section {
  padding: var(--spacing-2xl) 0;
}

.counter-card {
  text-align: center;
  padding: var(--spacing-2xl);
}

.counter-label {
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--gray-400);
  margin-bottom: var(--spacing-sm);
}

.counter-value {
  font-size: 3rem;
  font-weight: 800;
  background: var(--gradient-bsw);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: var(--spacing-sm);
}

@media (min-width: 768px) {
  .counter-value {
    font-size: 4.5rem;
  }
}

.counter-sublabel {
  font-size: 1rem;
  color: var(--gray-300);
}

.counter-info {
  margin-top: var(--spacing-lg);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--bsw-dark-light);
  display: flex;
  justify-content: center;
  gap: var(--spacing-2xl);
  flex-wrap: wrap;
}

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

.counter-stat-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--white);
}

.counter-stat-label {
  font-size: 0.75rem;
  color: var(--gray-400);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Form Elements */
.form-group {
  margin-bottom: var(--spacing-lg);
}

.form-label {
  display: block;
  font-weight: 600;
  margin-bottom: var(--spacing-sm);
  color: var(--gray-700);
}

.form-input,
.form-select {
  width: 100%;
  padding: 0.75rem 1rem;
  font-size: 1rem;
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-lg);
  background: var(--white);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus,
.form-select:focus {
  outline: none;
  border-color: var(--bsw-red);
  box-shadow: 0 0 0 3px rgba(200, 16, 46, 0.1);
}

.form-hint {
  font-size: 0.875rem;
  color: var(--gray-500);
  margin-top: var(--spacing-xs);
}

/* Range Slider */
.range-slider {
  -webkit-appearance: none;
  width: 100%;
  height: 8px;
  border-radius: var(--radius-full);
  background: var(--gray-200);
  outline: none;
}

.range-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--bsw-red);
  cursor: pointer;
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-fast);
}

.range-slider::-webkit-slider-thumb:hover {
  transform: scale(1.1);
}

/* Progress Steps */
.progress-steps {
  display: flex;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-xl);
}

.progress-step {
  width: 40px;
  height: 4px;
  background: var(--gray-200);
  border-radius: var(--radius-full);
  transition: background var(--transition-normal);
}

.progress-step.active {
  background: var(--bsw-red);
}

.progress-step.completed {
  background: var(--success);
}

/* Document Selection */
.document-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
}

@media (min-width: 768px) {
  .document-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.document-card {
  padding: var(--spacing-lg);
  border: 2px solid var(--gray-200);
  border-radius: var(--radius-lg);
  text-align: center;
  cursor: pointer;
  transition: all var(--transition-normal);
  background: var(--white);
}

.document-card:hover {
  border-color: var(--bsw-red);
  background: rgba(200, 16, 46, 0.02);
}

.document-card.selected {
  border-color: var(--bsw-red);
  background: rgba(200, 16, 46, 0.05);
}

.document-card-icon {
  font-size: 2rem;
  margin-bottom: var(--spacing-sm);
}

.document-card-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--gray-700);
}

/* Shredder Animation */
.shredder-container {
  position: relative;
  width: 100%;
  max-width: 400px;
  margin: 0 auto;
  min-height: 400px;
}

.shredder-machine {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 120px;
  background: linear-gradient(180deg, var(--gray-700) 0%, var(--gray-800) 100%);
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  z-index: 10;
}

.shredder-slot {
  position: absolute;
  top: 0;
  left: 10%;
  right: 10%;
  height: 12px;
  background: var(--gray-900);
  border-radius: var(--radius-sm);
  box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.3);
}

.shredder-slot::before {
  content: '';
  position: absolute;
  inset: 2px;
  background: repeating-linear-gradient(
    90deg,
    var(--bsw-red) 0px,
    var(--bsw-red) 3px,
    transparent 3px,
    transparent 6px
  );
  border-radius: 2px;
  animation: shredder-glow 1s ease-in-out infinite;
}

@keyframes shredder-glow {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}

.document-preview {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 200px;
  background: var(--white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  padding: var(--spacing-lg);
  transition: transform 0.5s ease-in-out;
}

.document-preview.shredding {
  animation: document-enter 2s ease-in-out forwards;
}

@keyframes document-enter {
  0% { transform: translateX(-50%) translateY(0); }
  100% { transform: translateX(-50%) translateY(250px); }
}

/* Paper Strips */
.paper-strips {
  position: absolute;
  bottom: -50px;
  left: 0;
  right: 0;
  display: flex;
  justify-content: center;
  gap: 2px;
  pointer-events: none;
}

.paper-strip {
  width: 8px;
  height: 0;
  background: var(--white);
  border-radius: 0 0 2px 2px;
  animation: strip-fall 1.5s ease-out forwards;
  animation-delay: var(--delay);
}

@keyframes strip-fall {
  0% {
    height: 0;
    transform: translateY(0) rotate(0deg);
    opacity: 1;
  }
  50% {
    height: 60px;
    opacity: 1;
  }
  100% {
    height: 80px;
    transform: translateY(100px) rotate(var(--rotation, 5deg));
    opacity: 0;
  }
}

/* Success Screen */
.success-screen {
  text-align: center;
  padding: var(--spacing-3xl) var(--spacing-xl);
}

.success-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--spacing-xl);
  background: var(--success-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--success);
  font-size: 2.5rem;
  animation: success-pop 0.5s ease-out;
}

@keyframes success-pop {
  0% { transform: scale(0); }
  50% { transform: scale(1.2); }
  100% { transform: scale(1); }
}

.success-title {
  margin-bottom: var(--spacing-md);
}

.success-stats {
  display: flex;
  justify-content: center;
  gap: var(--spacing-2xl);
  margin: var(--spacing-xl) 0;
  flex-wrap: wrap;
}

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

.success-stat-value {
  font-size: 2rem;
  font-weight: 800;
  background: var(--gradient-bsw);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.success-stat-label {
  font-size: 0.875rem;
  color: var(--gray-500);
}

/* Share Buttons */
.share-buttons {
  display: flex;
  justify-content: center;
  gap: var(--spacing-md);
  flex-wrap: wrap;
  margin-top: var(--spacing-xl);
}

.share-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-full);
  font-weight: 600;
  font-size: 0.875rem;
  transition: all var(--transition-normal);
  border: none;
  cursor: pointer;
}

.share-btn-twitter {
  background: #1da1f2;
  color: var(--white);
}

.share-btn-twitter:hover {
  background: #1a91da;
}

.share-btn-facebook {
  background: #1877f2;
  color: var(--white);
}

.share-btn-facebook:hover {
  background: #166fe5;
}

.share-btn-whatsapp {
  background: #25d366;
  color: var(--white);
}

.share-btn-whatsapp:hover {
  background: #20bd5a;
}

.share-btn-copy {
  background: var(--gray-100);
  color: var(--gray-700);
}

.share-btn-copy:hover {
  background: var(--gray-200);
}

/* Statistics Dashboard */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--spacing-md);
}

@media (min-width: 768px) {
  .stats-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.stat-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: var(--spacing-lg);
  text-align: center;
  border: 1px solid var(--gray-100);
}

.stat-card-value {
  font-size: 1.75rem;
  font-weight: 800;
  background: var(--gradient-bsw);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-card-label {
  font-size: 0.75rem;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Bar Chart */
.bar-chart {
  display: flex;
  align-items: flex-end;
  gap: var(--spacing-sm);
  height: 200px;
  padding: var(--spacing-md) 0;
}

.bar {
  flex: 1;
  background: var(--gradient-bsw-vertical);
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  min-height: 20px;
  position: relative;
  transition: height var(--transition-slow);
}

.bar-label {
  position: absolute;
  bottom: -24px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 0.75rem;
  color: var(--gray-500);
  white-space: nowrap;
}

/* Footer */
.footer {
  background: var(--bsw-dark);
  color: var(--gray-400);
  padding: var(--spacing-2xl) 0;
  margin-top: var(--spacing-3xl);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-lg);
  text-align: center;
}

@media (min-width: 768px) {
  .footer-inner {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

.footer-links {
  display: flex;
  gap: var(--spacing-lg);
}

.footer-link {
  color: var(--gray-400);
  font-size: 0.875rem;
}

.footer-link:hover {
  color: var(--white);
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.text-red { color: var(--bsw-red); }
.text-gray { color: var(--gray-500); }
.text-white { color: var(--white); }

.bg-gray { background: var(--gray-50); }
.bg-dark { background: var(--bsw-dark); }

.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }
.mt-xl { margin-top: var(--spacing-xl); }

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

.hidden { display: none; }
.visible { display: block; }

.flex { display: flex; }
.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}
.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.flex-col {
  display: flex;
  flex-direction: column;
}
.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }

/* Animations */
.fade-in {
  animation: fadeIn 0.3s ease-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.slide-up {
  animation: slideUp 0.4s ease-out;
}

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

.pulse {
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.02); }
}

/* Print styles */
@media print {
  .no-print {
    display: none !important;
  }
}