/* ============================================
   Modern Form Styling
   ============================================ */

:root {
  --primary: #6366f1;
  --primary-light: #818cf8;
  --primary-dark: #4f46e5;
  --secondary: #8b5cf6;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --info: #3b82f6;
  --dark: #1f2937;
  --light: #f9fafb;
  --gray: #6b7280;
  --border: #e5e7eb;
}

/* ============================================
   Form Controls
   ============================================ */
.form-control,
.form-select,
select,
textarea {
  padding: 0.75rem 1rem;
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  font-size: 0.95rem;
  font-family: inherit;
  background: var(--light);
  transition: all 0.3s ease;
  color: var(--dark);
}

.form-control:focus,
.form-select:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--primary);
  background: white;
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

/* Remove webkit styling */
.form-control,
select {
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
}

/* Select dropdown arrow */
select {
  background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23667eea' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
  background-size: 12px;
  cursor: pointer;
}

/* Form Labels */
.form-label,
label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--dark);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Form Groups */
.form-group,
.mb-3 {
  margin-bottom: 1.5rem;
}

.form-group:last-child {
  margin-bottom: 0;
}

/* Help text */
.form-text {
  font-size: 0.75rem;
  color: var(--gray);
  margin-top: 0.25rem;
}

/* Invalid feedback */
.invalid-feedback {
  display: block;
  color: var(--danger);
  font-size: 0.75rem;
  margin-top: 0.25rem;
}

.form-control.is-invalid,
.form-control.is-invalid:focus {
  border-color: var(--danger);
  box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

/* Valid feedback */
.valid-feedback {
  display: block;
  color: var(--success);
  font-size: 0.75rem;
  margin-top: 0.25rem;
}

.form-control.is-valid,
.form-control.is-valid:focus {
  border-color: var(--success);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1);
}

/* ============================================
   Buttons
   ============================================ */
.btn {
  padding: 0.75rem 1.5rem;
  border: none;
  border-radius: 0.75rem;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all 0.3s ease;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

/* Primary Button */
.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  color: white;
  box-shadow: 0 4px 15px rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(99, 102, 241, 0.5);
}

.btn-primary:active {
  transform: translateY(0);
}

/* Secondary Button */
.btn-secondary {
  background: var(--gray);
  color: white;
}

.btn-secondary:hover {
  background: #4b5563;
}

/* Success Button */
.btn-success {
  background: linear-gradient(135deg, var(--success) 0%, #34d399 100%);
  color: white;
}

.btn-success:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(16, 185, 129, 0.3);
}

/* Danger Button */
.btn-danger {
  background: linear-gradient(135deg, var(--danger) 0%, #f87171 100%);
  color: white;
}

.btn-danger:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(239, 68, 68, 0.3);
}

/* Info Button */
.btn-info {
  background: linear-gradient(135deg, var(--info) 0%, #60a5fa 100%);
  color: white;
}

.btn-info:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(59, 130, 246, 0.3);
}

/* Warning Button */
.btn-warning {
  background: linear-gradient(135deg, var(--warning) 0%, #fbbf24 100%);
  color: white;
}

.btn-warning:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(245, 158, 11, 0.3);
}

/* Button Block */
.btn-block,
.w-100 {
  width: 100%;
}

/* Disabled state */
.btn:disabled,
.btn.disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none !important;
}

/* ============================================
   Checkbox and Radio
   ============================================ */
.form-check {
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.form-check-input {
  width: 1.25rem;
  height: 1.25rem;
  border: 1px solid var(--border);
  border-radius: 0.375rem;
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  -moz-appearance: none;
  background: white;
  transition: all 0.3s ease;
}

.form-check-input:checked {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-check-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-check-label {
  cursor: pointer;
  user-select: none;
  font-size: 0.95rem;
  color: var(--dark);
  margin: 0;
}

/* ============================================
   Form Wrapper
   ============================================ */
.form-card {
  background: white;
  border-radius: 1rem;
  padding: 2rem;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.04);
  border: 1px solid var(--border);
}

.form-card:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.form-card-header {
  border-bottom: 2px solid var(--border);
  padding-bottom: 1.5rem;
  margin-bottom: 1.5rem;
}

.form-card-header h3 {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--dark);
}

.form-card-header p {
  margin: 0.5rem 0 0 0;
  color: var(--gray);
  font-size: 0.9rem;
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 768px) {
  .form-control,
  .form-select,
  select,
  textarea {
    font-size: 16px; /* Prevents zoom on iOS */
  }

  .btn {
    padding: 0.65rem 1.25rem;
    font-size: 0.9rem;
  }

  .form-card {
    padding: 1.5rem;
  }
}