/* DDC Tools - Verbessertes CSS basierend auf digitaldatachain.com */

:root {
  /* Farben basierend auf DDC Corporate Design */
  --ddc-primary: #0066cc;      /* DDC Blau */
  --ddc-secondary: #004499;    /* Dunkleres Blau */
  --ddc-accent: #e6f2ff;       /* Helles Blau für Backgrounds */
  --ddc-dark: #2c3e50;         /* Dunkelgrau für Text */
  --ddc-light: #f8f9fa;        /* Heller Background */
  --ddc-border: #dee2e6;       /* Border Farbe */
  --ddc-success: #28a745;      /* Success Grün */
  --ddc-warning: #ffc107;      /* Warning Gelb */
  --ddc-danger: #dc3545;       /* Danger Rot */
}

/* Globale Typografie */
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  color: var(--ddc-dark);
  line-height: 1.6;
  background-color: #ffffff;
}

/* Navbar Styling */
.navbar-ddc {
  background: white;
  box-shadow: 0 2px 15px rgba(0,0,0,0.08);
  padding: 0.5rem 0;
  border-bottom: 2px solid var(--ddc-accent);
}

.navbar-ddc .navbar-brand img {
  height: 45px;
  width: auto;
}

.navbar-ddc .navbar-text h1 {
  color: var(--ddc-primary);
  font-weight: 600;
  font-size: 1.6rem;
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.navbar-ddc .nav-link {
  color: var(--ddc-primary) !important;
  font-weight: 600;
  transition: all 0.3s ease;
  margin: 0 10px;
  border-radius: 8px;
  padding: 8px 16px !important;
}

.navbar-ddc .nav-link:hover {
  color: white !important;
  background-color: var(--ddc-primary);
  transform: translateY(-1px);
}

.navbar-ddc .navbar-toggler {
  border-color: var(--ddc-primary);
}

.navbar-ddc .navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%230066cc' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* Spezifischer Hover-Effekt für DDC TOOLS Link */
.navbar-ddc a.nav-link.text-decoration-none {
  color: var(--ddc-primary) !important;
  font-weight: 600;
  transition: all 0.3s ease;
  border-radius: 8px;
  padding: 8px 16px !important;
  margin: 0 10px;
  background-color: transparent;
}

.navbar-ddc a.nav-link.text-decoration-none:hover {
  color: white !important;
  background-color: var(--ddc-primary) !important;
  transform: translateY(-1px);
}

.navbar-ddc a.nav-link.text-decoration-none:hover .navbar-text h1 {
  color: white !important;
}

/* Hero Section */
.hero-section {
  background: linear-gradient(135deg, var(--ddc-accent) 0%, #ffffff 100%);
  padding: 4rem 0;
  margin-bottom: 3rem;
}

.hero-title {
  font-size: 2.5rem;
  font-weight: 300;
  color: var(--ddc-primary);
  margin-bottom: 1.5rem;
}

.hero-subtitle {
  font-size: 1.2rem;
  color: var(--ddc-dark);
  margin-bottom: 2rem;
  line-height: 1.7;
}

/* Card Styling */
.ddc-card {
  background: white;
  border: 1px solid var(--ddc-border);
  border-radius: 12px;
  padding: 2rem;
  margin-bottom: 2rem;
  box-shadow: 0 2px 15px rgba(0,0,0,0.08);
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.ddc-card:hover {
  box-shadow: 0 8px 25px rgba(0,0,0,0.12);
  transform: translateY(-2px);
}

.ddc-card-header {
  border-bottom: 2px solid var(--ddc-accent);
  padding-bottom: 1rem;
  margin-bottom: 1.5rem;
}

.ddc-card-title {
  color: var(--ddc-primary);
  font-weight: 600;
  font-size: 1.3rem;
  margin: 0;
}

/* Form Styling */
.form-control-ddc {
  border: 2px solid var(--ddc-border);
  border-radius: 8px;
  padding: 12px 16px;
  font-size: 1rem;
  transition: border-color 0.3s ease;
}

.form-control-ddc:focus {
  border-color: var(--ddc-primary);
  box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
  outline: none;
}

.form-label-ddc {
  font-weight: 600;
  color: var(--ddc-dark);
  margin-bottom: 8px;
}

/* Button Styling */
.btn-ddc-primary {
  background: linear-gradient(135deg, var(--ddc-primary) 0%, var(--ddc-secondary) 100%);
  border: none;
  color: white;
  padding: 12px 30px;
  font-weight: 600;
  border-radius: 8px;
  transition: all 0.3s ease;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  font-size: 0.9rem;
}

.btn-ddc-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 102, 204, 0.3);
  color: white;
}

.btn-ddc-secondary {
  background: transparent;
  border: 2px solid var(--ddc-primary);
  color: var(--ddc-primary);
  padding: 10px 28px;
  font-weight: 600;
  border-radius: 8px;
  transition: all 0.3s ease;
}

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

/* QR Code Container */
.qr-container {
  text-align: center;
  padding: 2rem;
  background: var(--ddc-accent);
  border-radius: 12px;
  margin: 1rem 0;
}

.qr-container .svg {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0,0,0,0.1);
  background-color: white;
  padding: 5px;
  border: 5px solid white;
}

/* Accordion Styling */
.accordion-ddc {
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.accordion-ddc .accordion-header button {
  background: var(--ddc-accent);
  color: var(--ddc-primary);
  font-weight: 600;
  border: none;
  padding: 1.2rem 1.5rem;
}

.accordion-ddc .accordion-header button:not(.collapsed) {
  background: var(--ddc-primary);
  color: white;
}

.accordion-ddc .accordion-body {
  background: white;
  border-top: 1px solid var(--ddc-border);
}

/* URL Generator Section */
.url-generator {
  background: linear-gradient(135deg, #f8f9fa 0%, var(--ddc-accent) 100%);
  padding: 3rem;
  border-radius: 12px;
  margin: 3rem 0;
}

.url-generator h2 {
  color: var(--ddc-primary);
  font-weight: 300;
  margin-bottom: 2rem;
  text-align: center;
}

/* Data Identifier Cards */
.data-identifier-card {
  background: white;
  border: 2px solid var(--ddc-border);
  border-radius: 8px;
  padding: 1rem;
  margin: 0.5rem;
  cursor: pointer;
  transition: all 0.3s ease;
  display: inline-block;
}

.data-identifier-card:hover {
  border-color: var(--ddc-primary);
  background: var(--ddc-accent);
  transform: translateY(-2px);
}

.data-identifier-card.selected {
  background: var(--ddc-primary);
  color: white;
  border-color: var(--ddc-secondary);
}

/* Mobile Optimierungen */
@media (max-width: 768px) {
  .hero-title {
    font-size: 2rem;
  }
  
  .hero-subtitle {
    font-size: 1.1rem;
  }
  
  .ddc-card {
    padding: 1.5rem;
  }
  
  .url-generator {
    padding: 2rem 1.5rem;
  }
}

/* Utility Classes */
.text-ddc-primary { color: var(--ddc-primary); }
.text-ddc-secondary { color: var(--ddc-secondary); }
.bg-ddc-accent { background-color: var(--ddc-accent); }
.border-ddc { border-color: var(--ddc-border); }

/* Cookie Banner */
#cookie-banner {
  background: var(--ddc-dark);
  color: white;
  border: none;
  border-radius: 0;
}

#cookie-banner .btn-close {
  filter: invert(1);
}

/* Enhanced Table Styling */
.table-hover tbody tr:hover {
  background-color: var(--ddc-accent);
}

.table-dark {
  background-color: var(--ddc-primary);
}

/* Dynamic Fields Container */
#dynamicFieldsContainer .ddc-card {
  min-height: 120px;
  transition: all 0.3s ease;
}

#dynamicFieldsContainer .ddc-card:hover {
  border-color: var(--ddc-primary);
}

/* Form Improvements */
.form-control-ddc::placeholder {
  color: #6c757d;
  opacity: 0.8;
}

.form-control-ddc:valid {
  border-color: var(--ddc-success);
}

/* Loading Animation */
.btn-ddc-primary:disabled {
  background: #6c757d;
  cursor: not-allowed;
}

/* Smooth Transitions */
* {
  scroll-behavior: smooth;
}

/* ValidationError Styling */
.validation-error-list {
  list-style: none;
  padding-left: 0;
  margin: 0;
}

.validation-error-item {
  background-color: #f8d7da;
  border: 1px solid #f5c6cb;
  border-radius: 0.375rem;
  padding: 0.75rem 1rem;
  margin-bottom: 0.5rem;
  color: #721c24;
  position: relative;
  padding-left: 2.5rem;
  line-height: 1.4;
  font-weight: 500;
}

.validation-error-item:before {
  content: "⚠️";
  position: absolute;
  left: 0.75rem;
  top: 0.75rem;
  font-size: 1rem;
}

.validation-error-item:last-child {
  margin-bottom: 0;
}

/* QR Code Header Icon */
.qr-header-icon {
  width: 24px;
  height: 24px;
  margin-right: 8px;
  vertical-align: middle;
  display: inline-block;
}

/* Login Navigation */
.navbar-nav .dropdown-menu {
  border: 1px solid var(--ddc-border);
  box-shadow: 0 4px 15px rgba(0,0,0,0.1);
  border-radius: 8px;
}

.navbar-nav .dropdown-item {
  color: var(--ddc-dark);
  padding: 0.5rem 1rem;
  font-weight: 500;
}

.navbar-nav .dropdown-item:hover {
  background-color: var(--ddc-accent);
  color: var(--ddc-primary);
}

/* Messages */
.alert {
  border-radius: 8px;
  border: none;
  font-weight: 500;
}

.alert-success {
  background-color: #d1e7dd;
  color: #0f5132;
}

.alert-error {
  background-color: #f8d7da;
  color: #721c24;
}

/* QR Code IEC ID Text Wrapping */
.qr-container h4 {
  word-wrap: break-word;
  word-break: break-all;
  overflow-wrap: break-word;
  max-width: 100%;
  line-height: 1.4;
  hyphens: auto;
}