:root {
  --primary-color: #6495ed;
  --accent-color: #ffd140;
  --text-light: #fff;
  --text-dark: #333;
  --card-bg: rgba(255, 255, 255, 0.5);
  --card-hover-bg: rgba(255, 255, 255, 0.25);
  --divider-color: rgba(255, 255, 255, 0.3);
  --error-color: #ff4d4f;
  --success-color: #2ed573;
}

.contact-module {
  background: var(--card-bg);
  backdrop-filter: blur(10px);
  border: 1px solid var(--divider-color);
  border-radius: 12px;
  padding: 2rem;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
  color: var(--text-dark);
  font-family: inherit;
  max-width: 700px;
  margin: 20px auto;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.form-row {
  display: flex;
  gap: 1.25rem;
}

.form-row .form-group {
  flex: 1;
}

@media (max-width: 600px) {
  .form-row {
    flex-direction: column;
    gap: 1.25rem;
  }
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

label {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-dark);
}

.required {
  color: var(--error-color);
}

.label-with-counter {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.char-counter {
  font-size: 0.8rem;
  opacity: 0.7;
}

input[type="text"],
input[type="email"],
input[type="tel"],
select,
textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--divider-color);
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.7);
  color: var(--text-dark);
  font-size: 0.95rem;
  box-sizing: border-box;
  transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--primary-color);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(100, 149, 237, 0.25);
}

input.input-error,
select.input-error,
textarea.input-error {
  border-color: var(--error-color);
}

.error-message {
  font-size: 0.8rem;
  color: var(--error-color);
  min-height: 1rem;
}

.drop-zone {
  border: 2px dashed var(--divider-color);
  border-radius: 6px;
  padding: 1.5rem;
  text-align: center;
  cursor: pointer;
  background: var(--card-hover-bg);
  transition: border-color 0.2s, background 0.2s;
}

.drop-zone:hover,
.drop-zone--over {
  border-color: var(--primary-color);
  background: rgba(255, 255, 255, 0.4);
}

.drop-zone-prompt strong {
  color: var(--primary-color);
}

.drop-zone-input {
  display: none;
}

.file-preview {
  margin-top: 0.5rem;
  font-size: 0.85rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(255, 255, 255, 0.8);
  padding: 0.5rem 0.75rem;
  border-radius: 4px;
}

.file-preview:empty {
  display: none;
}

.file-remove-btn {
  background: none;
  border: none;
  color: var(--error-color);
  cursor: pointer;
  font-weight: bold;
}

.radio-group {
  display: flex;
  gap: 1.5rem;
}

.radio-label,
.checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  font-weight: normal;
  font-size: 0.9rem;
}

.submit-btn {
  background: var(--primary-color);
  color: var(--text-light);
  border: none;
  border-radius: 6px;
  padding: 0.9rem 1.5rem;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.2s, transform 0.1s;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
  box-shadow: 0 4px 12px rgba(100, 149, 237, 0.3);
}

.submit-btn:hover {
  filter: brightness(1.05);
}

.submit-btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.btn-spinner {
  width: 1rem;
  height: 1rem;
  border: 2px solid var(--text-light);
  border-top-color: transparent;
  border-radius: 50%;
  display: none;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.submit-btn.loading .btn-spinner {
  display: inline-block;
}

.form-status {
  padding: 0.8rem;
  border-radius: 6px;
  font-size: 0.9rem;
  display: none;
  text-align: center;
}

.form-status.success {
  display: block;
  background: rgba(46, 213, 115, 0.15);
  color: #1b8a47;
  border: 1px solid var(--success-color);
}

.form-status.error {
  display: block;
  background: rgba(255, 77, 79, 0.15);
  color: #d63031;
  border: 1px solid var(--error-color);
}