/**
 * Upload Page Styles
 */

/* Drop Zone */
.drop-zone {
  border: 2px dashed var(--color-border);
  border-radius: 8px;
  padding: 3rem 2rem;
  text-align: center;
  cursor: pointer;
  transition: all 0.3s ease;
  background: var(--color-bg-secondary);
}

.drop-zone:hover {
  border-color: var(--color-primary);
  background: var(--color-bg-tertiary);
}

.drop-zone.drag-over {
  border-color: var(--color-primary);
  background: var(--color-bg-tertiary);
  border-width: 3px;
}

.drop-zone-content {
  pointer-events: none;
}

.drop-zone-text {
  font-size: 1.2rem;
  font-weight: 500;
  color: var(--color-text);
  margin-bottom: 0.5rem;
}

.drop-zone-hint {
  font-size: 0.9rem;
  color: var(--color-text-light);
  margin: 0;
}

/* File Info */
.file-info {
  padding: 1rem;
  background: var(--color-bg-secondary);
  border-radius: 4px;
  display: grid;
  gap: 0.5rem;
}

.file-info div {
  display: flex;
  gap: 0.5rem;
}

/* CID Display */
.cid-box {
  padding: 1rem;
  background: var(--color-bg-secondary);
  border-radius: 4px;
  border-left: 4px solid var(--color-primary);
}

.cid-value {
  font-family: 'Courier New', monospace;
  font-size: 0.9rem;
  word-break: break-all;
  margin-top: 0.5rem;
  padding: 0.75rem;
  background: var(--color-bg);
  border-radius: 4px;
}

/* Progress Bar */
.progress-section {
  text-align: center;
  padding: 1rem;
}

.progress-bar {
  width: 100%;
  height: 30px;
  background: var(--color-bg-secondary);
  border-radius: 15px;
  overflow: hidden;
  margin: 1rem 0 0.5rem 0;
}

.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  transition: width 0.3s ease;
  border-radius: 15px;
}

.progress-text {
  font-size: 0.9rem;
  color: var(--color-text-light);
  margin-top: 0.25rem;
}

/* Spinner */
.spinner {
  border: 4px solid var(--color-border);
  border-top: 4px solid var(--color-primary);
  border-radius: 50%;
  width: 50px;
  height: 50px;
  animation: spin 1s linear infinite;
  margin: 1rem auto;
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Cost Display */
.cost-display {
  padding: 1.5rem;
  background: var(--color-bg-secondary);
  border-radius: 8px;
  margin-top: 1rem;
}

.cost-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.5rem;
}

.cost-amount {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-primary);
}

.cost-breakdown {
  font-size: 0.9rem;
  color: var(--color-text-light);
  margin-bottom: 1rem;
}

.balance-status {
  padding: 0.75rem;
  border-radius: 4px;
  font-weight: 500;
  margin-top: 1rem;
}

.balance-status.sufficient {
  background: rgba(46, 204, 113, 0.1);
  color: #2ecc71;
  border: 1px solid rgba(46, 204, 113, 0.3);
}

.balance-status.insufficient {
  background: rgba(231, 76, 60, 0.1);
  color: #e74c3c;
  border: 1px solid rgba(231, 76, 60, 0.3);
}

.balance-status a {
  color: inherit;
  text-decoration: underline;
  font-weight: 600;
}

/* Form Elements */
.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  font-weight: 500;
  margin-bottom: 0.5rem;
  color: var(--color-text);
}

.form-control {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--color-border);
  border-radius: 4px;
  background: var(--color-bg);
  color: var(--color-text);
  font-size: 1rem;
  font-family: inherit;
}

.form-control:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

/* Retention Slider */
.retention-summary {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 0.75rem;
  gap: 1rem;
}

.retention-value {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-text);
}

.retention-subtext {
  font-size: 0.9rem;
  color: var(--color-text-light);
}

.retention-slider {
  width: 100%;
  margin-bottom: 0.75rem;
}

.retention-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 0.5rem;
}

.btn-small {
  padding: 0.4rem 0.75rem;
  font-size: 0.85rem;
}

.retention-hint {
  font-size: 0.85rem;
  color: var(--color-text-light);
  margin: 0;
}

/* Alerts */
.alert {
  padding: 1rem;
  border-radius: 4px;
  margin-bottom: 1rem;
}

.alert-info {
  background: rgba(52, 152, 219, 0.1);
  border: 1px solid rgba(52, 152, 219, 0.3);
  color: var(--color-text);
}

.alert-error {
  background: rgba(231, 76, 60, 0.1);
  border: 1px solid rgba(231, 76, 60, 0.3);
  color: #e74c3c;
}

.alert strong {
  display: block;
  margin-bottom: 0.5rem;
}

.alert code {
  background: rgba(0, 0, 0, 0.1);
  padding: 0.2rem 0.4rem;
  border-radius: 3px;
  font-family: 'Courier New', monospace;
  word-break: break-all;
}

/* Responsive */
@media (max-width: 768px) {
  .drop-zone {
    padding: 2rem 1rem;
  }
  
  .drop-zone-text {
    font-size: 1rem;
  }
  
  .cost-amount {
    font-size: 1.25rem;
  }
}