/* Upload Notes (CSS) */

/* Hero Section */
.upload-hero {
  background: linear-gradient(
    135deg,
    var(--primary-500) 0%,
    var(--primary-700) 100%
  );
  padding: 6rem 0 4rem 0;
  text-align: center;
}

.upload-hero h1 {
  font-size: 2.75rem;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 1rem;
}

.upload-hero .subtitle {
  font-size: 1.2rem;
  text-transform: capitalize;
  color: var(--white);
  max-width: 600px;
  margin: 0 auto;
}

/* Main Container */
.upload-notes-container {
  background-color: var(--bg-primary);
  color: var(--text-primary);
}

.upload-container {
  max-width: 600px;
  margin: 4rem auto;
  padding: 2rem;
  background-color: var(--card-bg);
  box-shadow: var(--card-shadow);
  border: 1px solid var(--border-color);
  border-radius: 12px;
}

/* Form Elements */
.upload-form label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 500;
  color: var(--text-primary);
}

.upload-form select,
.upload-form input[type='text'],
.upload-form input[type='file'],
.upload-form textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  margin-bottom: 1.5rem;
  transition: border-color 0.3s ease;
}

.upload-form select:focus,
.upload-form input:focus,
.upload-form textarea:focus {
  border-color: var(--primary-400);
  outline: none;
}

/* File Drop Zone */
.drop-zone {
  border: 2px dashed var(--border-color);
  border-radius: 8px;
  padding: 2rem;
  text-align: center;
  margin-bottom: 1.5rem;
  cursor: pointer;
  transition: all 0.3s ease;
}

.drop-zone:hover {
  border-color: var(--primary-400);
  background-color: var(--bg-secondary);
}

.drop-zone.active {
  border-color: var(--primary-500);
  background-color: var(--primary-100);
}

#preview {
  margin-top: 1rem;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* Status Messages */
.status-message {
  margin-top: 1.5rem;
  padding: 1rem;
  border-radius: 8px;
  font-weight: 500;
  text-align: center;
}

.status-success {
  background-color: var(--success);
  color: var(--white);
}

.status-error {
  background-color: var(--error);
  color: var(--white);
}

.status-info {
  background-color: var(--info);
  color: var(--white);
}

/* Custom Input Container */
.custom-input-container {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
  align-items: stretch;
  width: 100%;
}

.custom-input-container input[type='text'] {
  flex: 1;
  padding: 0.75rem 1rem;
  min-width: 0;
  height: auto;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background-color: var(--bg-secondary);
  color: var(--text-primary);
}

/* Multiple Inputs (Subject Section) */
.custom-input-container.multiple-inputs {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: 0.75rem;
}

/* Add Button */
.confirm-btn {
  background-color: var(--primary-500);
  color: var(--white);
  padding: 0.7rem 1.5rem;
  margin-bottom: 1.5rem;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  border: none;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 80px;
}

.confirm-btn:hover {
  background-color: var(--primary-600);
}

/* Submit Button */
.submit-btn {
  background-color: var(--primary-500);
  color: var(--white);
  width: 100%;
  padding: 1rem;
  border-radius: 1rem;
  font-size: 1.1rem;
  margin-top: 1.5rem;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.submit-btn:hover {
  background-color: var(--primary-600);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.submit-btn:active {
  background-color: var(--primary-700);
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.submit-btn:disabled {
  background-color: var(--gray-400);
  cursor: not-allowed;
  opacity: 0.7;
}

/* Responsive Design */
@media (max-width: 640px) {
  .upload-container {
    margin: 2rem 1rem;
    padding: 1.5rem;
  }

  .custom-input-container {
    flex-direction: column;
  }

  .custom-input-container.multiple-inputs {
    grid-template-columns: 1fr;
  }

  .confirm-btn {
    width: 100%;
    padding: 0.75rem;
    height: auto;
  }
}