/* ==========================================================================
   LAYOUT & UTILITY CLASSES
   ========================================================================== */

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

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

/* Margin Bottom */
.mb-0 { margin-bottom: 0 !important; }
.mb-1 { margin-bottom: var(--spacing-2) !important; }
.mb-2 { margin-bottom: var(--spacing-3) !important; }
.mb-3 { margin-bottom: var(--spacing-4) !important; }
.mb-4 { margin-bottom: var(--spacing-5) !important; }
.mb-5 { margin-bottom: var(--spacing-6) !important; }

/* Margin Top */
.mt-0 { margin-top: 0 !important; }
.mt-1 { margin-top: var(--spacing-2) !important; }
.mt-2 { margin-top: var(--spacing-3) !important; }
.mt-3 { margin-top: var(--spacing-4) !important; }
.mt-4 { margin-top: var(--spacing-5) !important; }
.mt-5 { margin-top: var(--spacing-6) !important; }

/* ==========================================================================
   HERO SECTION
   ========================================================================== */

.hero {
  padding: var(--spacing-3) 0;
  position: relative;
  /* overflow: hidden; */
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="75" cy="75" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="50" cy="10" r="0.5" fill="rgba(255,255,255,0.05)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
  opacity: 0.3;
}

.hero .container {
  position: relative;
  z-index: 1;
}

.hero h1 {
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-4);
  text-align: center;
  line-height: var(--line-height-tight);
}

.hero p {
  font-size: var(--font-size-lg);
  text-align: center;
  margin-bottom: var(--spacing-12);
  opacity: 0.9;
  max-width: 600px;
  margin-inline: auto;
}

/* ==========================================================================
   SEARCH REQUEST CONTAINER
   ========================================================================== */

.request-container {
  background: var(--bg-glass);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-radius: var(--radius-2xl);
  padding: var(--spacing-6);
  box-shadow: var(--shadow-xl);
  border: 1px solid rgba(255, 255, 255, 0.2);
  max-width: 700px;
  margin: 0 auto var(--spacing-12);
}

/* ==========================================================================
   FORM COMPONENTS
   ========================================================================== */

/* Request Type Selection */
.request-type-selection {
  margin-bottom: var(--spacing-6);
}

.radio-group {
  display: flex;
  gap: var(--spacing-4);
  justify-content: center;
  flex-wrap: wrap;
}

.radio-option {
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  padding: 2px 0;
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.1);
  transition: all var(--transition-base);
  border: 1px solid transparent;
  flex: 1 1 auto;
  min-width: 120px;
  max-width: 150px;
}

.radio-option:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

.radio-option:has(input[type="radio"]:checked) {
  background: var(--bg-primary);
  border-color: var(--primary-color);
  box-shadow: var(--shadow-md);
}

.radio-option input[type="radio"] {
  position: absolute;
  opacity: 0;
}

.radio-custom {
  width: 16px;
  height: 16px;
  border: 2px solid var(--text-muted);
  border-radius: 50%;
  margin-right: var(--spacing-3);
  position: relative;
  transition: all var(--transition-base);
}

.radio-option input[type="radio"]:checked + .radio-custom {
  border-color: var(--primary-color);
  background: var(--primary-color);
}

.radio-option input[type="radio"]:checked + .radio-custom::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 8px;
  height: 8px;
  background: var(--text-white);
  border-radius: 50%;
}

.radio-label {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  color: var(--text-primary);
  font-weight: 400;
  font-size: var(--font-size-sm);
  transition: all var(--transition-base);
}

.radio-label i {
  color: var(--text-secondary);
  transition: all var(--transition-base);
}

/* Quantity Input */
.quantity-input {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--spacing-3);
  border-radius: var(--radius-xl);
  width: fit-content;
  margin-inline: auto;
  padding: var(--spacing-2);
}

.quantity-input label {
  color: var(--text-muted);
  padding: var(--spacing-2);
}

.quantity-input input {
  border: none;
  display: block;
  width: 64px;
  border-radius: var(--radius-lg);
  padding: var(--spacing-2);
  font-size: var(--font-size-lg);
  text-align: center;
}

/* Search Container */
.request-input-container {
  margin-bottom: var(--spacing-6);
}

.request-input-wrapper {
  position: relative;
  display: flex;
  align-items: center;
}

.search-icon {
  position: absolute;
  left: var(--spacing-5);
  color: var(--text-muted);
  font-size: var(--font-size-lg);
  z-index: 2;
}

.request-input {
  width: 100%;
  padding: var(--spacing-5) var(--spacing-5) var(--spacing-5) 3rem;
  border: 2px solid var(--border-color);
  border-radius: var(--radius-2xl);
  font-size: var(--font-size-base);
  background: var(--bg-primary);
  color: var(--text-primary);
  transition: all var(--transition-base);
  font-family: var(--font-family-primary);
}

.request-input:focus {
  outline: none;
  border-color: var(--border-focus);
  box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.1);
  transform: translateY(-1px);
}

.request-input::placeholder {
  color: var(--text-muted);
}


.request-input:focus {
    outline: none;
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}
/* Action Buttons */
.action-buttons {
  display: flex;
  gap: var(--spacing-4);
  justify-content: center;
  margin-bottom: var(--spacing-6);
}

/* ==========================================================================
   FILE UPLOAD COMPONENT
   ========================================================================== */

.image-upload-section {
  margin-top: var(--spacing-6);
}

.file-upload {
  position: relative;
}

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

.file-upload-label {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-3);
  padding: var(--spacing-6);
  border: 2px dashed var(--border-color);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-base);
  background: var(--bg-muted);
}

.file-upload-label:hover {
  border-color: var(--border-hover);
  background: rgb(80, 80, 93);
  transform: translateY(-2px);
}

.file-upload-label i {
  font-size: var(--font-size-2xl);
  color: var(--text-secondary);
}

.file-upload-label span {
  color: var(--text-primary);
  font-weight: var(--font-weight-medium);
}

.file-upload-label small {
  color: var(--text-muted);
  font-size: var(--font-size-sm);
}

.file-preview-container {
  margin-top: var(--spacing-4);
  padding: var(--spacing-4);
  border-radius: var(--radius-lg);
  background: rgba(255, 255, 255, 0.8);
}

/* ==========================================================================
   QUICK ACTIONS
   ========================================================================== */

.quick-actions {
  display: flex;
  gap: var(--spacing-4);
  justify-content: center;
  margin-top: var(--spacing-8);
}

.quick-action-link {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  padding: var(--spacing-4) var(--spacing-5);
  /* background: rgba(255, 255, 255, 0.1); */
  /* color: var(--text-white); */
  text-decoration: none;
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.quick-action-link:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* ==========================================================================
   CARD COMPONENTS
   ========================================================================== */

.card {
  background: var(--bg-primary);
  border-radius: var(--radius-xl);
  padding: var(--spacing-8);
  margin-bottom: var(--spacing-8);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
  transition: all var(--transition-base);
}

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

.card h2 {
  color: var(--text-primary);
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-bold);
  margin-bottom: var(--spacing-5);
}

.card p {
  color: var(--text-secondary);
  line-height: var(--line-height-relaxed);
}

/* ==========================================================================
   EQUIPMENT GRID
   ========================================================================== */

.equipment-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-6);
  margin-top: var(--spacing-6);
}

.equipment-card {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-5);
  padding: var(--spacing-5);
  border-radius: var(--radius-lg);
  background: var(--bg-secondary);
  transition: all var(--transition-base);
  border: 1px solid var(--border-color);
}

.equipment-card:hover {
  background: var(--bg-primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.equipment-image {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.equipment-image i {
  font-size: var(--font-size-xl);
  color: var(--text-white);
}

.equipment-info h3 {
  color: var(--text-primary);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  margin-bottom: var(--spacing-3);
}

.equipment-info p {
  color: var(--text-secondary);
  line-height: var(--line-height-relaxed);
  font-size: var(--font-size-sm);
}

/* ==========================================================================
   PREVIEW MODAL SYSTEM
   ========================================================================== */

/* Preview Button */
.preview-btn-container {
  top: var(--spacing-4);
  right: var(--spacing-4);
  z-index: 10;
  width: 100%;
  display: flex;
  flex-direction: row-reverse;
  margin-bottom: 8px;
}

.preview-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background: var(--bg-glass);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-base);
  cursor: pointer;
  transition: all var(--transition-base);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  color: var(--text-secondary);
  font-size: 18px;
  box-shadow: var(--shadow-sm);
}

.preview-btn:hover {
  background: var(--primary-color);
  color: var(--text-white);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
  border-color: var(--primary-color);
}

.preview-btn:active {
  transform: translateY(0);
  box-shadow: var(--shadow-sm);
}

/* Modal Overlay */
.preview-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  z-index: 10000;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all 0.3s ease;
  padding: 0;
}

.preview-modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

/* Modal Container */
.preview-modal {
  background: var(--bg-card);
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  box-shadow: var(--shadow-2xl);
  width: 100%;
  max-width: 700px;
  max-height: 90vh;
  overflow: hidden;
  transform: translateY(100%);
  transition: all 0.3s ease;
  font-family: var(--font-family-primary);
  margin: 0 auto;
  z-index: 10001;
}

.preview-modal-overlay.active .preview-modal {
  transform: translateY(25px);
}

/* Modal Header */
.preview-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-2);
  border-bottom: 1px solid var(--border-light);
  background: var(--bg-secondary);
  position: relative;
}

.preview-modal-header::before {
  content: '';
  position: absolute;
  top: var(--spacing-1);
  left: 50%;
  transform: translateX(-50%);
  width: 40px;
  height: 4px;
  background: var(--border-color);
  border-radius: 2px;
}

.preview-modal-title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin: 0;
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
}

.preview-modal-title i {
  color: var(--primary-color);
}

.preview-close-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: transparent;
  border: none;
  border-radius: var(--radius-base);
  cursor: pointer;
  color: var(--text-muted);
  font-size: 20px;
  transition: all 0.2s ease;
}

.preview-close-btn:hover {
  background: var(--bg-muted);
  color: var(--text-primary);
}

/* Modal Body */
.preview-modal-body {
  padding: var(--spacing-2);
  max-height: 60vh;
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--border-color) transparent;
}

.preview-modal-body::-webkit-scrollbar {
  width: 6px;
}

.preview-modal-body::-webkit-scrollbar-track {
  background: transparent;
}

.preview-modal-body::-webkit-scrollbar-thumb {
  background: var(--border-color);
  border-radius: 3px;
}

.preview-modal-body::-webkit-scrollbar-thumb:hover {
  background: var(--text-muted);
}

/* Modal Footer */
.preview-modal-footer {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2);
  padding: var(--spacing-2);
  border-top: 1px solid var(--border-light);
  background: var(--bg-secondary);
}

/* Preview Content */
.preview-section {
  margin-bottom: var(--spacing-3);
  animation: fadeIn 0.3s ease forwards;
}

.preview-section:last-child {
  margin-bottom: 0;
}

.preview-label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--text-secondary);
  margin-bottom: var(--spacing-1);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.preview-value {
  font-size: var(--font-size-base);
  color: var(--text-primary);
  line-height: var(--line-height-relaxed);
  background: var(--bg-secondary);
  padding: var(--spacing-2);
  border-radius: var(--radius-base);
  border: 1px solid var(--border-light);
  min-height: 20px;
}

.preview-value.empty {
  color: var(--text-muted);
  font-style: italic;
}

.preview-request-type {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-2);
  background: var(--primary-color);
  color: var(--text-white);
  padding: var(--spacing-1) var(--spacing-2);
  border-radius: var(--radius-base);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
}

.preview-quantity {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-2);
  background: var(--accent-color);
  color: var(--text-white);
  padding: var(--spacing-1) var(--spacing-2);
  border-radius: var(--radius-base);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
}

.preview-image {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-base);
  box-shadow: var(--shadow-sm);
}

.preview-image-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100px;
  background: var(--bg-muted);
  border: 2px dashed var(--border-color);
  border-radius: var(--radius-base);
  color: var(--text-muted);
  font-size: var(--font-size-sm);
}

/* ==========================================================================
   STATUS COMPONENTS
   ========================================================================== */

.status-badge {
  padding: var(--spacing-2) var(--spacing-4);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.status-pending {
  background: #fff3cd;
  color: #856404;
}

.status-approved {
  background: #d4edda;
  color: #155724;
}

.status-rejected {
  background: #f8d7da;
  color: #721c24;
}

.status-completed {
  background: #d1ecf1;
  color: #0c5460;
}

/* Request Info */
.request-info p {
  color: var(--text-muted);
  font-size: var(--font-size-sm);
}

/* ==========================================================================
   ACCESSIBILITY & FOCUS STATES
   ========================================================================== */

.btn:focus,
.request-input:focus,
.file-upload-label:focus,
.radio-option:focus-within {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

/* Body scroll prevention when modal is open */
body.modal-open {
  overflow: hidden;
}

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

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

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

/* Animation Applications */
.hero {
  animation: fadeIn 0.8s ease-out;
}

.request-container {
  animation: fadeInUp 0.8s ease-out 0.2s both;
}

.equipment-card {
  animation: fadeInUp 0.6s ease-out both;
}

.equipment-card:nth-child(1) { animation-delay: 0.1s; }
.equipment-card:nth-child(2) { animation-delay: 0.2s; }
.equipment-card:nth-child(3) { animation-delay: 0.3s; }

.preview-section:nth-child(1) { animation-delay: 0.1s; }
.preview-section:nth-child(2) { animation-delay: 0.2s; }
.preview-section:nth-child(3) { animation-delay: 0.3s; }
.preview-section:nth-child(4) { animation-delay: 0.4s; }
.preview-section:nth-child(5) { animation-delay: 0.5s; }

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

/* Small screens (480px+) */
@media (min-width: 480px) {
  .preview-modal-body,
  .preview-modal-header,
  .preview-modal-footer {
    padding: var(--spacing-5);
  }
  
  .request-container {
    padding: var(--spacing-5);
  }
  
  .radio-group {
    gap: var(--spacing-4);
  }
}

/* Medium screens (768px+) */
@media (min-width: 768px) {
  .preview-btn-container {
    top: var(--spacing-4);
    right: var(--spacing-4);
  }
  
  .preview-btn {
    width: 40px;
    height: 40px;
    font-size: 16px;
  }
  
  .preview-modal-overlay {
    align-items: center;
    padding: var(--spacing-4);
  }
  
  .preview-modal {
    max-width: 600px;
    border-radius: var(--radius-xl);
    transform: scale(0.95) translateY(20px);
  }
  
  .preview-modal-overlay.active .preview-modal {
    transform: scale(1) translateY(0);
  }
  
  .preview-modal-header::before {
    display: none;
  }
  
  .preview-modal-header,
  .preview-modal-body,
  .preview-modal-footer {
    padding: var(--spacing-6);
  }
  
  .preview-modal-title {
    font-size: var(--font-size-xl);
    gap: var(--spacing-3);
  }
  
  .preview-close-btn {
    width: 32px;
    height: 32px;
    font-size: 18px;
  }
  
  .preview-modal-footer {
    flex-direction: row;
    justify-content: flex-end;
    gap: var(--spacing-4);
  }
  
  .btn {
    min-height: auto;
  }
  
  .request-container {
    max-width: 600px;
    margin: var(--spacing-8) auto;
    padding: var(--spacing-6);
  }
  
  .preview-image-placeholder {
    height: 120px;
  }
}

/* Large screens (1024px+) */
@media (min-width: 1024px) {
  .preview-modal,
  .request-container {
    max-width: 700px;
  }
}

/* Mobile screens (max-width: 768px) */
@media (max-width: 768px) {
  .hero {
    padding: var(--spacing-4) 0;
  }
  
  .hero h1 {
    font-size: var(--font-size-3xl);
  }
  
  .hero p {
    font-size: var(--font-size-base);
  }
  
  .request-container {
    padding: var(--spacing-5) var(--spacing-4);
    margin: var(--spacing-4) auto;
  }
  
  .action-buttons {
    flex-direction: column;
  }
  
  .quick-actions {
    flex-direction: column;
    align-items: center;
  }
  
  .equipment-grid {
    grid-template-columns: 1fr;
  }
  
  .equipment-card {
    flex-direction: column;
    text-align: center;
  }
  
  .card {
    padding: var(--spacing-5);
  }
}

/* Small mobile screens (max-width: 480px) */
@media (max-width: 480px) {
  .hero h1 {
    font-size: var(--font-size-2xl);
  }
  
  .request-container {
    margin: 0 var(--spacing-3) var(--spacing-6);
  }

  .radio-label {
    font-weight: 400;
  }
  
  .radio-option i {
    display: none;
  }
  
  .btn {
    font-size: var(--font-size-sm);
  }
  
  .equipment-image {
    width: 50px;
    height: 50px;
  }
  
  .equipment-image i {
    font-size: var(--font-size-lg);
  }
}