/* Donation Page Styles - Professional and Scalable Design */

/* CSS Custom Properties for Donation Page */
:root {
  /* Donation specific colors */
  --donation-primary: #2563eb;
  --donation-primary-hover: #1d4ed8;
  --donation-success: #059669;
  --donation-success-bg: #ecfdf5;
  --donation-success-border: #a7f3d0;
  
  /* Account details styling */
  --account-bg: #f8fafc;
  --account-border: #e2e8f0;
  --account-text: #1e293b;
  --account-label: #64748b;
  
  /* Copy button styling */
  --copy-btn-bg: #ffffff;
  --copy-btn-hover: #f1f5f9;
  --copy-btn-active: #e2e8f0;
  
  /* File upload styling */
  --upload-bg: #f8fafc;
  --upload-border: #cbd5e1;
  --upload-hover: #e2e8f0;
  --upload-active: #cbd5e1;
}

/* Main Donation Section */
.donation-section {
  min-height: 100vh;
  background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
  padding: 2rem 0;
}

.donation-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
  display: grid;
  gap: 2rem;
}

/* Header Section */
.donation-header {
  text-align: center;
  margin-bottom: 3rem;
}

.donation-title {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  color: var(--color-text-strong);
  margin: 0 0 1rem 0;
  line-height: 1.2;
}

.donation-subtitle {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: var(--color-text-muted);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.6;
}

/* Account Details Card */
.account-details-card {
  background: var(--color-bg);
  border: 1px solid var(--account-border);
  border-radius: var(--radius-l);
  box-shadow: var(--shadow-soft);
  padding: 2rem;
  margin-bottom: 2rem;
}

.account-header {
  text-align: center;
  margin-bottom: 2rem;
}

.account-title {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-text-strong);
  margin: 0 0 0.5rem 0;
}

.account-subtitle {
  color: var(--color-text-muted);
  margin: 0;
  font-size: 1rem;
}

/* Account Info Grid */
.account-info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.account-item {
  background: var(--account-bg);
  border: 1px solid var(--account-border);
  border-radius: var(--radius-m);
  padding: 1.5rem;
  transition: all 0.2s ease;
}

.account-item:hover {
  border-color: var(--donation-primary);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.1);
}

.account-label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--account-label);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.account-value {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.account-text {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--account-text);
  font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
  letter-spacing: 0.025em;
}

/* Copy Button */
.copy-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  background: var(--copy-btn-bg);
  border: 1px solid var(--account-border);
  border-radius: var(--radius-s);
  color: var(--color-text-muted);
  cursor: pointer;
  transition: all 0.2s ease;
  flex-shrink: 0;
}

.copy-btn:hover {
  background: var(--copy-btn-hover);
  border-color: var(--donation-primary);
  color: var(--donation-primary);
  transform: translateY(-1px);
}

.copy-btn:active {
  background: var(--copy-btn-active);
  transform: translateY(0);
}

.copy-btn.copied {
  background: var(--donation-success-bg);
  border-color: var(--donation-success-border);
  color: var(--donation-success);
}

.copy-btn svg {
  width: 16px;
  height: 16px;
}

/* Account Instructions */
.account-instructions {
  background: var(--donation-success-bg);
  border: 1px solid var(--donation-success-border);
  border-radius: var(--radius-m);
  padding: 1.5rem;
}

.instructions-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--donation-success);
  margin: 0 0 1rem 0;
}

.instructions-list {
  margin: 0;
  padding-left: 1.5rem;
  color: var(--color-text);
  line-height: 1.6;
}

.instructions-list li {
  margin-bottom: 0.5rem;
}

.instructions-list li:last-child {
  margin-bottom: 0;
}

/* Donation Form Card */
.donation-form-card {
  background: var(--color-bg);
  border: 1px solid var(--account-border);
  border-radius: var(--radius-l);
  box-shadow: var(--shadow-soft);
  padding: 2rem;
}

.donation-form {
  display: grid;
  gap: 1.5rem;
}

.donation-form .form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .donation-form .form-row {
    grid-template-columns: 1fr 1fr;
  }
}

/* File Upload Area */
.file-upload-area {
  position: relative;
  border: 2px dashed var(--upload-border);
  border-radius: var(--radius-m);
  background: var(--upload-bg);
  padding: 2rem;
  text-align: center;
  transition: all 0.2s ease;
  cursor: pointer;
}

.file-upload-area:hover {
  border-color: var(--donation-primary);
  background: var(--upload-hover);
}

.file-upload-area.dragover {
  border-color: var(--donation-primary);
  background: var(--upload-hover);
  transform: scale(1.02);
}

.file-input {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
}

.file-upload-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.upload-icon {
  color: var(--color-text-muted);
  margin-bottom: 0.5rem;
}

.upload-text {
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-text);
  margin: 0;
}

.upload-hint {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  margin: 0;
}

.file-selected {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem;
  background: var(--donation-success-bg);
  border: 1px solid var(--donation-success-border);
  border-radius: var(--radius-s);
}

.file-icon {
  color: var(--donation-success);
  flex-shrink: 0;
}

.file-name {
  flex: 1;
  font-weight: 500;
  color: var(--color-text);
  text-align: left;
}

.remove-file {
  width: 1.5rem;
  height: 1.5rem;
  border: none;
  background: var(--color-text-muted);
  color: white;
  border-radius: 50%;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  line-height: 1;
  transition: background-color 0.2s ease;
}

.remove-file:hover {
  background: var(--color-text-strong);
}

/* Button Enhancements */
.btn-large {
  padding: 1rem 2rem;
  font-size: 1.125rem;
  font-weight: 600;
  min-height: 3.5rem;
}

.btn-loading {
  display: none;
}

.btn:disabled .btn-text {
  display: none;
}

.btn:disabled .btn-loading {
  display: inline;
}

/* Responsive Design */
@media (max-width: 768px) {
  .donation-container {
    padding: 0 0.5rem;
    gap: 1.5rem;
  }
  
  .account-details-card,
  .donation-form-card {
    padding: 1.5rem;
  }
  
  .account-info-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
  
  .account-item {
    padding: 1rem;
  }
  
  .account-value {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }
  
  .copy-btn {
    align-self: flex-end;
  }
  
  .file-upload-area {
    padding: 1.5rem;
  }
}

@media (max-width: 480px) {
  .donation-section {
    padding: 1rem 0;
  }
  
  .account-details-card,
  .donation-form-card {
    padding: 1rem;
  }
  
  .account-item {
    padding: 0.75rem;
  }
  
  .file-upload-area {
    padding: 1rem;
  }
  
  .upload-icon {
    width: 36px;
    height: 36px;
  }
}

/* Accessibility Enhancements */
@media (prefers-reduced-motion: reduce) {
  .account-item,
  .copy-btn,
  .file-upload-area,
  .remove-file {
    transition: none;
  }
}

@media (prefers-contrast: high) {
  .account-details-card,
  .donation-form-card {
    border-width: 2px;
  }
  
  .account-item {
    border-width: 2px;
  }
  
  .copy-btn {
    border-width: 2px;
  }
}

/* Focus States */
.copy-btn:focus-visible,
.file-input:focus-visible,
.remove-file:focus-visible {
  outline: 2px solid var(--donation-primary);
  outline-offset: 2px;
}

/* Loading States */
.donation-form.loading {
  pointer-events: none;
  opacity: 0.7;
}

.donation-form.loading::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(255, 255, 255, 0.8);
  border-radius: inherit;
  z-index: 1;
}

/* Success States */
.account-item.copied {
  border-color: var(--donation-success);
  background: var(--donation-success-bg);
}

/* Animation for copy feedback */
@keyframes copySuccess {
  0% { transform: scale(1); }
  50% { transform: scale(1.1); }
  100% { transform: scale(1); }
}

.copy-btn.copied {
  animation: copySuccess 0.3s ease;
}

/* Print Styles */
@media print {
  .donation-section {
    background: white;
    padding: 0;
  }
  
  .copy-btn,
  .file-upload-area,
  .donation-form-card {
    display: none;
  }
  
  .account-details-card {
    box-shadow: none;
    border: 1px solid #000;
  }
  
  .account-item {
    break-inside: avoid;
  }
}