/**
 * MP3 Converter - Integrated Styles
 * ORIGINAL styles.css + Futuristic Extensions
 * Beide Module vollständig integriert!
 */

/* ===== ORIGINAL CSS RESET & BASE STYLES (ERHALTEN) ===== */
:root {
  /* Original Variables (Erhalten) */
  --primary-color: #2563eb;
  --primary-hover: #1d4ed8;
  --secondary-color: #64748b;
  --success-color: #16a34a;
  --error-color: #dc2626;
  --warning-color: #d97706;
  --background: #ffffff;
  --background-secondary: #f8fafc;
  --surface: #ffffff;
  --text-primary: #0f172a;
  --text-secondary: #64748b;
  --border: #e2e8f0;
  --border-focus: #3b82f6;
  --shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 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);
  --radius: 0.5rem;
  --radius-lg: 0.75rem;
  --transition: all 0.2s ease-in-out;

  /* ===== NEUE FUTURISTIC VARIABLES ===== */
  /* Futuristic Color Palette */
  --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  --primary-solid: #667eea;
  --primary-dark: #5a67d8;
  --secondary-accent: #64ffda;
  --accent: #ff6b6b;
  --success-accent: #4ecdc4;
  --warning-accent: #ffe66d;
  
  /* Glassmorphism & Neumorphism */
  --glass-bg: rgba(255, 255, 255, 0.1);
  --glass-border: rgba(255, 255, 255, 0.2);
  --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
  --neu-shadow-light: 20px 20px 60px #bebebe, -20px -20px 60px #ffffff;
  --neu-shadow-dark: 20px 20px 60px #0a0a0a, -20px -20px 60px #1a1a1a;
  
  /* Typography */
  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-heading: 'Poppins', sans-serif;
  
  /* Animations */
  --hover-scale: scale(1.02);
  --bounce: cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

/* Dark Theme (Original + Erweitert) */
[data-theme="dark"] {
  --primary-color: #3b82f6;
  --primary-hover: #2563eb;
  --secondary-color: #94a3b8;
  --success-color: #22c55e;
  --error-color: #ef4444;
  --warning-color: #f59e0b;
  --background: #0f172a;
  --background-secondary: #1e293b;
  --surface: #334155;
  --text-primary: #f1f5f9;
  --text-secondary: #cbd5e1;
  --border: #475569;
  --border-focus: #60a5fa;
  
  /* Dark Theme Futuristic */
  --glass-bg: rgba(0, 0, 0, 0.3);
  --neu-shadow-light: var(--neu-shadow-dark);
}

/* ===== IMPORT FONTS ===== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Poppins:wght@400;500;600;700;800&display=swap');

/* ===== ORIGINAL UTILITY CLASSES (ERHALTEN) ===== */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.section-heading {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0 0 1rem 0;
}

/* ===== NEUE FUTURISTIC COMPONENTS ===== */

/* Animated Background */
.bg-animated {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  background: linear-gradient(-45deg, #667eea, #764ba2, #64ffda, #ff6b6b);
  background-size: 400% 400%;
  animation: gradientShift 15s ease infinite;
  opacity: 0.05;
}

@keyframes gradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* Glass Card Component */
.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(25px);
  -webkit-backdrop-filter: blur(25px);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  box-shadow: var(--glass-shadow);
  transition: var(--transition);
}

.glass-card:hover {
  transform: translateY(-5px) var(--hover-scale);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

/* Neumorphism Button */
.neu-btn {
  background: var(--background);
  border: none;
  border-radius: 15px;
  padding: 12px 24px;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: var(--neu-shadow-light);
  position: relative;
  overflow: hidden;
}

.neu-btn:hover {
  transform: var(--hover-scale);
}

.neu-btn:active {
  box-shadow: inset 5px 5px 10px #bebebe, inset -5px -5px 10px #ffffff;
}

[data-theme="dark"] .neu-btn:active {
  box-shadow: inset 5px 5px 10px #0a0a0a, inset -5px -5px 10px #1a1a1a;
}

/* ===== ORIGINAL LAYOUT COMPONENTS (ERWEITERT) ===== */
.container {
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem 1rem;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  /* Futuristic Enhancement */
  background: transparent !important;
  box-shadow: none !important;
}

/* NEUE WEBSITE LAYOUT COMPONENTS */
.website-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: 1rem 0;
  backdrop-filter: blur(25px);
  -webkit-backdrop-filter: blur(25px);
  background: var(--glass-bg);
  border-bottom: 1px solid var(--border);
}

.website-header-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

/* === NEUE STYLES FÜR HOME-BUTTON UND HEADER-GRUPPE === */
.header-left-group {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.home-icon-link {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    transition: var(--transition);
}

.home-icon-link svg {
    width: 28px;
    height: 28px;
}

.home-icon-link:hover {
    color: var(--primary-color);
    transform: scale(1.1);
}

.website-logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.website-header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* ORIGINAL HEADER (für Konverter - ERHALTEN) */
.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0 2rem 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 2rem;
}

.app-title {
  font-size: 1.875rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  /* Futuristic Enhancement */
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.app-icon {
  font-size: 2rem;
}

/* Theme Toggle (Original + Erweitert) */
.theme-toggle {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.75rem;
  cursor: pointer;
  transition: var(--transition);
  display: flex;
  align-items: center;
  justify-content: center;
  /* Futuristic Enhancement */
  backdrop-filter: blur(10px);
}

.theme-toggle:hover {
  background: var(--background-secondary);
  border-color: var(--border-focus);
  transform: var(--hover-scale);
}

.theme-toggle:focus {
  outline: 2px solid var(--border-focus);
  outline-offset: 2px;
}

.theme-icon {
  font-size: 1.25rem;
}

/* Language Toggle */
.lang-toggle, .lang-toggle-footer {
  background: transparent;
  border: 2px solid var(--border);
  border-radius: 10px;
  padding: 8px 16px;
  cursor: pointer;
  transition: var(--transition);
  color: var(--text-primary);
  font-size: 0.9rem;
  font-weight: 600;
}

.lang-toggle:hover, .lang-toggle-footer:hover {
  border-color: var(--primary-solid);
  transform: var(--hover-scale);
  background: var(--glass-bg);
}

/* ===== ORIGINAL MAIN CONTENT (ERHALTEN) ===== */
.main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

/* ===== ORIGINAL FILE UPLOAD (ERWEITERT) ===== */
.file-upload-section {
  margin-bottom: 1.5rem;
}

.drop-area {
  border: 2px dashed var(--border);
  border-radius: var(--radius-lg);
  padding: 3rem 2rem;
  text-align: center;
  background: var(--background-secondary);
  transition: var(--transition);
  cursor: pointer;
  /* Futuristic Enhancement */
  backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
}

.drop-area::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, var(--glass-bg), transparent);
  transition: left 0.5s;
}

.drop-area:hover::before {
  left: 100%;
}

.drop-area:hover,
.drop-area:focus {
  border-color: var(--primary-color);
  background: var(--surface);
  transform: var(--hover-scale);
}

.drop-area.drag-over {
  border-color: var(--primary-color);
  background: var(--surface);
  transform: scale(1.02);
  box-shadow: var(--glass-shadow);
}

.drop-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  position: relative;
  z-index: 2;
}

.drop-icon {
  font-size: 3rem;
  color: var(--text-secondary);
}

.drop-area p {
  color: var(--text-secondary);
  font-size: 1.125rem;
  margin: 0;
}

.file-input {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ===== ORIGINAL BUTTON COMPONENTS (ERWEITERT) ===== */
.select-btn,
.action-btn {
  background: var(--primary-color);
  color: white;
  border: none;
  border-radius: var(--radius);
  padding: 0.75rem 1.5rem;
  font-weight: 600;
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  text-decoration: none;
  /* Futuristic Enhancement */
  position: relative;
  overflow: hidden;
}

.select-btn::before,
.action-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;
}

.select-btn:hover::before,
.action-btn:hover::before {
  left: 100%;
}

.select-btn:hover,
.action-btn:hover {
  background: var(--primary-hover);
  transform: translateY(-2px) var(--hover-scale);
  box-shadow: var(--shadow-lg);
}

.select-btn:focus,
.action-btn:focus {
  outline: 2px solid var(--border-focus);
  outline-offset: 2px;
}

.select-btn:disabled,
.action-btn:disabled {
  background: var(--secondary-color);
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.select-btn:disabled::before,
.action-btn:disabled::before {
  display: none;
}

.btn-icon {
  font-size: 1.125rem;
}

.convert-btn {
  width: 100%;
  padding: 1rem;
  font-size: 1.125rem;
}

.retry-btn {
  background: var(--warning-color);
  margin-top: 1rem;
}

.retry-btn:hover {
  background: color-mix(in srgb, var(--warning-color) 85%, black);
}

/* ===== ORIGINAL FILE LIST (ERWEITERT) ===== */
.file-list-section {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow);
  /* Futuristic Enhancement */
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
}

.file-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

/* === NEUE STYLES FÜR DATEI-EINTRÄGE === */
.file-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    background-color: var(--background-secondary);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    animation: fadeIn 0.3s ease-out;
}

.file-info {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    overflow: hidden; /* Verhindert, dass lange Dateinamen das Layout sprengen */
}

.file-name {
    color: var(--success-color); /* GRÜNE FARBE für Dateinamen */
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.file-size {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.remove-file-btn {
    background-color: var(--error-color); /* ROTE FARBE für Lösch-Button */
    color: white;
    border: none;
    border-radius: 50%;
    width: 24px;
    height: 24px;
    font-size: 1rem;
    font-weight: bold;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
    flex-shrink: 0; /* Verhindert, dass der Button schrumpft */
}

.remove-file-btn:hover {
    background-color: color-mix(in srgb, var(--error-color) 80%, black);
    transform: scale(1.1);
}

/* === NEUER DOWNLOAD BUTTON === */
.download-btn {
    background-color: var(--success-color);
    color: white;
    border: none;
    border-radius: var(--radius);
    padding: 0.5rem 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    flex-shrink: 0;
}

.download-btn:hover {
    background-color: color-mix(in srgb, var(--success-color) 80%, black);
    transform: scale(1.05);
}

/* ===== ORIGINAL OPTIONS SECTION (ERWEITERT) ===== */
.options-section {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow);
  /* Futuristic Enhancement */
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
}

.conversion-form {
  margin-bottom: 1.5rem;
}

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

.option-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.option-label {
  font-weight: 600;
  color: var(--text-primary);
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 0.025em;
}

.option-select {
  background: var(--background);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0.75rem;
  color: var(--text-primary);
  transition: var(--transition);
  /* Futuristic Enhancement */
  backdrop-filter: blur(5px);
}

.option-select:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--border-focus) 20%, transparent);
  transform: var(--hover-scale);
}

.conversion-info {
  background: var(--background-secondary);
  border-radius: var(--radius);
  padding: 1rem;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  /* Futuristic Enhancement */
  backdrop-filter: blur(5px);
  border: 1px solid var(--glass-border);
}

.info-label {
  font-weight: 600;
  color: var(--text-secondary);
}

.info-value {
  color: var(--text-primary);
  font-weight: 500;
}

.info-separator {
  color: var(--text-secondary);
  margin: 0 0.25rem;
}

/* ===== ORIGINAL ACTION SECTION (ERHALTEN) ===== */
.action-section {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: center;
}

/* ===== ORIGINAL PROGRESS SECTION (ERWEITERT) ===== */
.progress-section {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 1.5rem;
  box-shadow: var(--shadow);
  /* Futuristic Enhancement */
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
}

.progress-container {
  margin-top: 1rem;
}

.progress-bar-container {
  background: var(--background-secondary);
  border-radius: var(--radius);
  height: 2rem;
  overflow: hidden;
  position: relative;
  /* Futuristic Enhancement */
  backdrop-filter: blur(5px);
}

.progress-bar {
  background: linear-gradient(90deg, var(--primary-color), var(--success-color));
  height: 100%;
  width: 0%;
  transition: width 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 600;
  position: relative;
  /* Futuristic Enhancement */
  box-shadow: 0 0 20px rgba(37, 99, 235, 0.5);
}

.progress-text {
  position: absolute;
  font-size: 0.875rem;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.3);
}

/* ===== ORIGINAL STATUS SECTION (ERWEITERT) ===== */
.status-section {
  text-align: center;
}

.status {
  padding: 1rem;
  border-radius: var(--radius);
  font-weight: 500;
  background: var(--background-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border);
  /* Futuristic Enhancement */
  backdrop-filter: blur(10px);
  transition: var(--transition);
}

.status--info {
  background: color-mix(in srgb, var(--primary-color) 10%, var(--background));
  border-color: color-mix(in srgb, var(--primary-color) 30%, var(--border));
  color: var(--primary-color);
}

.status--success {
  background: color-mix(in srgb, var(--success-color) 10%, var(--background));
  border-color: color-mix(in srgb, var(--success-color) 30%, var(--border));
  color: var(--success-color);
}

.status--error {
  background: color-mix(in srgb, var(--error-color) 10%, var(--background));
  border-color: color-mix(in srgb, var(--error-color) 30%, var(--border));
  color: var(--error-color);
}

.status--warning {
  background: color-mix(in srgb, var(--warning-color) 10%, var(--background));
  border-color: color-mix(in srgb, var(--warning-color) 30%, var(--border));
  color: var(--warning-color);
}

/* ===== NEUE WEBSITE SECTIONS ===== */

/* Hero Section */
.hero {
  padding: 4rem 2rem;
  text-align: center;
  position: relative;
}

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
}

.hero h1 {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 800;
  margin-bottom: 1rem;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  animation: fadeInUp 1s ease;
}

.hero p {
  font-size: 1.2rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  animation: fadeInUp 1s ease 0.2s both;
}

.trust-badges {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin: 2rem 0;
  flex-wrap: wrap;
}

.trust-badge {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
  padding: 0.5rem 1rem;
  background: var(--glass-bg);
  backdrop-filter: blur(10px);
  border-radius: 25px;
  border: 1px solid var(--glass-border);
  transition: var(--transition);
}

.trust-badge:hover {
  transform: var(--hover-scale);
  background: var(--glass-border);
}

/* Converter Wrapper */
.converter-section {
  max-width: 800px;
  margin: 2rem auto;
  padding: 0 2rem;
}

.converter-wrapper {
  background: var(--glass-bg);
  backdrop-filter: blur(25px);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 2rem;
  box-shadow: var(--glass-shadow);
}

/* Features Section */
.features {
  padding: 4rem 2rem;
  background: var(--background-secondary);
}

.features-container {
  max-width: 1200px;
  margin: 0 auto;
}

.section-title {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  text-align: center;
  margin-bottom: 3rem;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

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

.feature-card {
  padding: 2rem;
  text-align: center;
  transition: var(--transition);
  border-radius: 20px;
}

.feature-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.feature-card h3 {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

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

/* ===== Other Tools Section ===== */
.other-tools-section {
  padding: 4rem 2rem;
  background: var(--background);
}

.other-tools-container {
  max-width: 1200px;
  margin: 0 auto;
}

/* === KORRIGIERTES GRID FÜR TOOLS === */
.tools-grid {
  display: grid;
  grid-template-columns: 1fr; /* Mobile-First: Eine Spalte standardmäßig */
  gap: 2rem;
}

@media (min-width: 640px) {
  .tools-grid {
    grid-template-columns: repeat(2, 1fr); /* Zwei Spalten für Tablets */
  }
}

@media (min-width: 1024px) {
  .tools-grid {
    grid-template-columns: repeat(3, 1fr); /* Drei Spalten für Desktops */
  }
}
/* === ENDE DER KORREKTUR === */


.tool-card {
  padding: 2rem;
  text-align: center;
  transition: var(--transition);
  border-radius: 20px;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.tool-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.tool-card h3 {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.tool-card p {
  color: var(--text-secondary);
  flex-grow: 1;
}


/* Privacy Section */
.privacy-section {
  padding: 3rem 2rem;
  background: var(--background-secondary);
}

.privacy-container {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.privacy-section h2 {
  font-family: var(--font-heading);
  font-size: 2rem;
  margin-bottom: 1.5rem;
  color: var(--text-primary);
}

.privacy-section p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  line-height: 1.8;
}

.privacy-link {
  color: var(--primary-solid);
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition);
}

.privacy-link:hover {
  text-decoration: underline;
  color: var(--primary-hover);
}

/* FAQ Section */
.faq-section {
  padding: 4rem 2rem;
  background: var(--background);
}

.faq-container {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  margin-bottom: 1.5rem;
  background: var(--glass-bg);
  backdrop-filter: blur(25px);
  border: 1px solid var(--border);
  border-radius: 15px;
  overflow: hidden;
  transition: var(--transition);
}

.faq-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--glass-shadow);
}

.faq-question {
  background: transparent;
  border: none;
  width: 100%;
  padding: 1.5rem;
  text-align: left;
  font-weight: 600;
  cursor: pointer;
  color: var(--text-primary);
  transition: var(--transition);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-question:hover {
  background: var(--glass-bg);
}

.faq-answer {
  padding: 0 1.5rem 1.5rem;
  color: var(--text-secondary);
  display: none;
  line-height: 1.6;
}

.faq-item.active .faq-answer {
  display: block;
  animation: fadeInUp 0.3s ease;
}

.faq-toggle {
  font-size: 1.2rem;
  transition: var(--transition);
}

.faq-item.active .faq-toggle {
  transform: rotate(180deg);
}

/* Cookie Banner */
.cookie-banner {
  position: fixed;
  bottom: 2rem;
  left: 2rem;
  right: 2rem;
  background: var(--glass-bg);
  backdrop-filter: blur(25px);
  border: 1px solid var(--border);
  border-radius: 15px;
  padding: 1.5rem;
  box-shadow: var(--glass-shadow);
  z-index: 1000;
  transform: translateY(150%);
  opacity: 0;
  transition: transform 0.4s ease-in-out, opacity 0.4s ease-in-out;
  pointer-events: none;
}

.cookie-banner.show {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.cookie-content {
  margin-bottom: 1rem;
}

.cookie-content h3 {
  font-family: var(--font-heading);
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.cookie-actions {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.cookie-btn {
  padding: 0.5rem 1rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: transparent;
  color: var(--text-primary);
  cursor: pointer;
  transition: var(--transition);
  font-weight: 500;
}

.cookie-btn.primary {
  background: var(--primary-solid);
  color: white;
  border-color: var(--primary-solid);
}

.cookie-btn:hover {
  transform: var(--hover-scale);
  background: var(--glass-bg);
}

.cookie-btn.primary:hover {
  background: var(--primary-hover);
}

/* ===== ORIGINAL FOOTER (ERWEITERT) ===== */
.footer {
  background: var(--background-secondary);
  padding: 3rem 2rem 2rem;
  text-align: center;
  border-top: 1px solid var(--border);
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.footer-link {
  color: var(--text-secondary);
  text-decoration: none;
  transition: var(--transition);
  font-weight: 500;
}

.footer-link:hover {
  color: var(--primary-solid);
  transform: translateY(-1px);
}

.footer-copyright {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* ORIGINAL FOOTER TEXT (für Konverter) */
.footer-text {
  color: var(--text-secondary);
  font-size: 0.875rem;
  margin: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.footer-separator {
  opacity: 0.6;
}

/* ===== ORIGINAL ANIMATIONS (ERWEITERT) ===== */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

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

/* Pulse Animation für Loading States */
@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.6;
  }
}

/* Shimmer Effect für Buttons */
@keyframes shimmer {
  0% {
    background-position: -200px 0;
  }
  100% {
    background-position: calc(200px + 100%) 0;
  }
}

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

.pulse {
  animation: pulse 1.5s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* ===== ORIGINAL RESPONSIVE (ERWEITERT) ===== */
@media (max-width: 640px) {
  .container {
    padding: 1rem;
  }

  /* Original Converter Header */
  .header {
    flex-direction: column;
    gap: 1rem;
    align-items: flex-start;
  }

  .app-title {
    font-size: 1.5rem;
  }

  /* Original Drop Area */
  .drop-area {
    padding: 2rem 1rem;
  }

  /* Original Options Grid */
  .options-grid {
    grid-template-columns: 1fr;
  }

  /* Original Footer Text */
  .footer-text {
    flex-direction: column;
    gap: 0.25rem;
  }

  .footer-separator {
    display: none;
  }

  /* Neue Website Komponenten */
  .website-header-container {
    padding: 0 1rem;
  }
  
  .hero {
    padding: 2rem 1rem;
  }
  
  .features-grid {
    grid-template-columns: 1fr;
  }
  
  .cookie-banner {
    left: 1rem;
    right: 1rem;
    bottom: 1rem;
  }
  
  .footer-links {
    flex-direction: column;
    gap: 1rem;
  }

  .trust-badges {
    flex-direction: column;
    align-items: center;
    gap: 1rem;
  }

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

  .cookie-btn {
    width: 100%;
    text-align: center;
  }
}

@media (max-width: 480px) {
  .hero h1 {
    font-size: 2rem;
  }

  .section-title {
    font-size: 2rem;
  }

  .feature-card, .tool-card {
    padding: 1.5rem;
  }

  .website-header-actions {
    gap: 0.5rem;
  }

  .lang-toggle, .theme-toggle {
    padding: 6px 12px;
    font-size: 0.8rem;
  }
}

/* ===== ORIGINAL FOCUS STYLES (ERWEITERT) ===== */
:focus-visible {
  outline: 2px solid var(--border-focus);
  outline-offset: 2px;
}

/* Enhanced Focus für interaktive Elemente */
.neu-btn:focus-visible,
.glass-card:focus-visible,
.feature-card:focus-visible {
  outline: 3px solid var(--border-focus);
  outline-offset: 4px;
}

/* ===== LOADING STATES ===== */
.loading {
  position: relative;
  overflow: hidden;
}

.loading::before {
  content: '';
  position: absolute;
  top: 0;
  left: -200px;
  width: 200px;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(255, 255, 255, 0.2),
    transparent
  );
  animation: shimmer 2s infinite;
}

/* ===== HIGH CONTRAST MODE SUPPORT ===== */
@media (prefers-contrast: high) {
  :root {
    --border: #000000;
    --text-secondary: #000000;
  }

  [data-theme="dark"] {
    --border: #ffffff;
    --text-secondary: #ffffff;
  }

  .glass-card {
    border-width: 2px;
  }
}

/* ===== REDUCED MOTION SUPPORT ===== */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .bg-animated {
    animation: none;
    background: var(--primary-solid);
    opacity: 0.03;
  }

  .drop-area::before,
  .select-btn::before,
  .action-btn::before {
    display: none;
  }
}

/* ===== PRINT STYLES ===== */
@media print {
  .website-header,
  .cookie-banner,
  .ad-section,
  .bg-animated {
    display: none !important;
  }

  .glass-card,
  .converter-wrapper {
    background: white !important;
    border: 1px solid #ccc !important;
    box-shadow: none !important;
  }

  .hero {
    page-break-inside: avoid;
  }

  .features-grid {
    break-inside: avoid;
  }
}

/* ===== DARK MODE SPECIFIC ENHANCEMENTS ===== */
[data-theme="dark"] {
  /* Enhanced glassmorphism for dark mode */
  --glass-bg: rgba(15, 23, 42, 0.6);
  --glass-border: rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .glass-card {
  box-shadow: 
    0 8px 32px 0 rgba(0, 0, 0, 0.5),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

[data-theme="dark"] .progress-bar {
  box-shadow: 
    0 0 20px rgba(59, 130, 246, 0.8),
    inset 0 1px 0 rgba(255, 255, 255, 0.2);
}

/* ===== ACCESSIBILITY ENHANCEMENTS ===== */
/* Skip Link */
.skip-link {
  position: absolute;
  top: -40px;
  left: 6px;
  background: var(--primary-color);
  color: white;
  padding: 8px;
  text-decoration: none;
  border-radius: 4px;
  z-index: 9999;
  transition: top 0.3s;
}

.skip-link:focus {
  top: 6px;
}

/* Screen Reader Only Content */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ===== PERFORMANCE OPTIMIZATIONS ===== */
/* GPU Acceleration für Animationen */
.glass-card,
.feature-card,
.drop-area,
.select-btn,
.action-btn,
.faq-item,
.trust-badge {
  will-change: transform;
  transform: translateZ(0);
}

/* Optimize backdrop-filter for performance */
@supports not (backdrop-filter: blur(10px)) {
  .glass-card,
  .converter-wrapper,
  .website-header,
  .cookie-banner {
    background: var(--background-secondary);
  }
}

/* ===== UTILITY CLASSES ===== */
.text-gradient {
  background: var(--primary-gradient);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.glass-border {
  border: 1px solid var(--glass-border);
}

.hover-lift:hover {
  transform: translateY(-2px);
}

.hover-scale:hover {
  transform: var(--hover-scale);
}

.transition-all {
  transition: var(--transition);
}

/* ===== CUSTOM SCROLLBAR ===== */
/* Webkit browsers */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--background-secondary);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb {
  background: var(--primary-color);
  border-radius: 4px;
  transition: background 0.2s;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--primary-hover);
}

/* Firefox */
* {
  scrollbar-width: thin;
  scrollbar-color: var(--primary-color) var(--background-secondary);
}

/* ===== SELECTION STYLING ===== */
::selection {
  background: var(--primary-color);
  color: white;
  text-shadow: none;
}

::-moz-selection {
  background: var(--primary-color);
  color: white;
  text-shadow: none;
}

/* ===== ERROR STATES ===== */
.error-state {
  border-color: var(--error-color) !important;
  animation: shake 0.5s ease-in-out;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  25% { transform: translateX(-5px); }
  75% { transform: translateX(5px); }
}

/* ===== SUCCESS STATES ===== */
.success-state {
  border-color: var(--success-color) !important;
  animation: bounce 0.6s ease-in-out;
}

@keyframes bounce {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

/* ===== FINAL INTEGRATION OVERRIDES ===== */
/* Ensure original converter functionality is preserved */
body {
  font-family: var(--font-main);
  background: var(--background);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Override any potential conflicts */
.container .glass-card,
.container .converter-wrapper {
  background: var(--glass-bg) !important;
}

/* Maintain original button functionality */
#convertBtn, #selectFilesBtn, #retryBtn {
  /* Inherit all original styles plus enhancements */
}

/* Preserve original progress bar */
#progressBar {
  /* All original functionality preserved */
}

/* Ensure theme consistency */
[data-theme="dark"] body {
  background: var(--background);
}