/* Modern Form Styling */
.form-control {
    border: 2px solid var(--light-gray);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    font-size: var(--font-size-base);
    transition: all 0.3s ease;
    background-color: white;
}

.form-control:focus {
    border-color: var(--secondary);
    box-shadow: 0 0 0 0.2rem rgba(22, 160, 133, 0.25);
    background-color: white;
}

.form-control:disabled {
    background-color: var(--light-gray);
    opacity: 0.6;
    cursor: not-allowed;
}

.form-control::placeholder {
    color: var(--dark-gray);
    opacity: 0.7;
}

.form-label {
    font-weight: 500;
    color: var(--primary);
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-text {
    color: var(--dark-gray);
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-xs);
}

/* Input Group Enhancement */
.input-group {
    margin-bottom: var(--spacing-md);
}

.input-group-text {
    background-color: var(--light-gray);
    border: 2px solid var(--light-gray);
    border-radius: var(--radius-md) 0 0 var(--radius-md);
    color: var(--primary);
    font-weight: 500;
    padding: var(--spacing-md) var(--spacing-lg);
}

.input-group .form-control {
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.input-group .input-group-text:first-child {
    border-right: none;
}

.input-group .form-control:not(:first-child):not(:last-child) {
    border-radius: 0;
}

.input-group .form-control:first-child {
    border-radius: var(--radius-md) 0 0 var(--radius-md);
}

.input-group .form-control:last-child {
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

/* Select Enhancement */
.form-select {
    border: 2px solid var(--light-gray);
    border-radius: var(--radius-md);
    padding: var(--spacing-md) var(--spacing-lg);
    font-size: var(--font-size-base);
    transition: all 0.3s ease;
    background-color: white;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
    background-position: right var(--spacing-md) center;
    background-repeat: no-repeat;
    background-size: 16px;
    padding-right: 2.5rem;
}

.form-select:focus {
    border-color: var(--secondary);
    box-shadow: 0 0 0 0.2rem rgba(22, 160, 133, 0.25);
    background-color: white;
}

.form-select:disabled {
    background-color: var(--light-gray);
    opacity: 0.6;
    cursor: not-allowed;
}

/* File Input Styling */
.form-control[type="file"] {
    padding: var(--spacing-sm);
}

.form-control[type="file"]:focus {
    border-color: var(--secondary);
}

.form-control[type="file"]::-webkit-file-upload-button {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    padding: var(--spacing-sm) var(--spacing-md);
    margin-right: var(--spacing-md);
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.form-control[type="file"]::-webkit-file-upload-button:hover {
    background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
    transform: translateY(-2px);
}

/* Textarea Styling */
.form-control,
.form-select,
.form-control[type="file"] {
    min-height: 44px;
}

.form-control[type="textarea"] {
    min-height: 100px;
    resize: vertical;
}

.form-control[type="textarea"]:focus {
    border-color: var(--secondary);
    box-shadow: 0 0 0 0.2rem rgba(22, 160, 133, 0.25);
}

/* Form Validation */
.form-control.is-valid {
    border-color: var(--success);
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%2327ae60' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='20 6 9 17 4 12'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right var(--spacing-md) center;
    background-size: 20px;
    padding-right: 2.5rem;
}

.form-control.is-invalid {
    border-color: var(--danger);
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23e74c3c' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3ccircle cx='12' cy='12' r='10'%3e%3c/circle%3e%3cline x1='15' y1='9' x2='9' y2='15'%3e%3c/line%3e%3cline x1='9' y1='9' x2='15' y2='15'%3e%3c/line%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right var(--spacing-md) center;
    background-size: 20px;
    padding-right: 2.5rem;
}

.form-select.is-valid {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%2327ae60' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='20 6 9 17 4 12'%3e%3c/polyline%3e%3c/svg%3e"), url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
    background-position: right var(--spacing-md) center, right calc(var(--spacing-md) + 30px) center;
    background-size: 20px, 16px;
    padding-right: 3rem;
}

.form-select.is-invalid {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23e74c3c' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3ccircle cx='12' cy='12' r='10'%3e%3c/circle%3e%3cline x1='15' y1='9' x2='9' y2='15'%3e%3c/line%3e%3cline x1='9' y1='9' x2='15' y2='15'%3e%3c/line%3e%3c/svg%3e"), url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3e%3c/svg%3e");
    background-position: right var(--spacing-md) center, right calc(var(--spacing-md) + 30px) center;
    background-size: 20px, 16px;
    padding-right: 3rem;
}

/* Validation Feedback */
.valid-feedback {
    display: block;
    width: 100%;
    margin-top: var(--spacing-xs);
    font-size: var(--font-size-sm);
    color: var(--success);
}

.invalid-feedback {
    display: block;
    width: 100%;
    margin-top: var(--spacing-xs);
    font-size: var(--font-size-sm);
    color: var(--danger);
}

/* Form Grid */
.form-row {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

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

/* Form Check Styling */
.form-check {
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

.form-check-input {
    margin-right: var(--spacing-sm);
    width: 1.25rem;
    height: 1.25rem;
    border: 2px solid var(--light-gray);
    border-radius: var(--radius-sm);
    background-color: white;
    transition: all 0.3s ease;
}

.form-check-input:checked {
    background-color: var(--secondary);
    border-color: var(--secondary);
}

.form-check-input:focus {
    border-color: var(--secondary);
    box-shadow: 0 0 0 0.2rem rgba(22, 160, 133, 0.25);
}

.form-check-label {
    font-weight: 500;
    color: var(--dark);
    cursor: pointer;
    user-select: none;
}

/* Form Switch */
.form-switch {
    display: flex;
    align-items: center;
}

.form-switch .form-check-input {
    width: 3rem;
    height: 1.5rem;
    border-radius: var(--radius-md);
    border: none;
    background-color: var(--light-gray);
    position: relative;
    cursor: pointer;
}

.form-switch .form-check-input::before {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 1.25rem;
    height: 1.25rem;
    background-color: white;
    border-radius: 50%;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-sm);
}

.form-switch .form-check-input:checked {
    background-color: var(--secondary);
}

.form-switch .form-check-input:checked::before {
    transform: translateX(1.5rem);
}

/* Form Floating Labels */
.form-floating {
    position: relative;
}

.form-floating .form-control {
    height: calc(3.5rem + 2px);
    padding: 1rem 0.75rem;
}

.form-floating .form-control:focus ~ label,
.form-floating .form-control:not(:placeholder-shown) ~ label {
    transform: scale(0.85) translateY(-0.5rem);
    color: var(--secondary);
}

.form-floating > label {
    position: absolute;
    top: 0;
    left: 0;
    height: 100%;
    padding: 1rem 0.75rem;
    pointer-events: none;
    border: 2px solid transparent;
    transform-origin: 0 0;
    transition: all 0.3s ease;
    color: var(--dark-gray);
}

/* Form Layout */
.form-container {
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--spacing-2xl);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--spacing-xl);
}

.form-header {
    margin-bottom: var(--spacing-2xl);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--light-gray);
}

.form-header h2 {
    margin: 0;
    color: var(--primary);
    font-weight: 600;
}

.form-header p {
    margin: var(--spacing-sm) 0 0 0;
    color: var(--dark-gray);
}

.form-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: flex-end;
    margin-top: var(--spacing-2xl);
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--light-gray);
}

/* Form Sections */
.form-section {
    margin-bottom: var(--spacing-2xl);
}

.form-section h3 {
    color: var(--primary);
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-sm);
    border-bottom: 2px solid var(--secondary);
}

/* Inline Forms */
.form-inline {
    display: flex;
    gap: var(--spacing-md);
    align-items: flex-end;
}

.form-inline .form-group {
    flex: 1;
    margin-bottom: 0;
}

.form-inline .btn {
    margin-bottom: 0;
}

/* Responsive Forms */
@media (max-width: 768px) {
    .form-row {
        flex-direction: column;
        gap: 0;
    }
    
    .form-container {
        padding: var(--spacing-lg);
    }
    
    .form-actions {
        flex-direction: column;
    }
    
    .form-actions .btn {
        width: 100%;
    }
    
    .form-inline {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .form-inline .btn {
        width: 100%;
    }
}

/* Form Loading State */
.form-loading {
    position: relative;
    pointer-events: none;
    opacity: 0.6;
}

.form-loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid var(--light-gray);
    border-top-color: var(--secondary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

/* Form Error Summary */
.form-error-summary {
    background: linear-gradient(135deg, rgba(231, 76, 60, 0.1) 0%, rgba(231, 76, 60, 0.05) 100%);
    border: 1px solid var(--danger);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.form-error-summary h4 {
    color: var(--danger);
    margin: 0 0 var(--spacing-sm) 0;
    font-size: var(--font-size-base);
}

.form-error-summary ul {
    margin: 0;
    padding-left: var(--spacing-lg);
}

.form-error-summary li {
    color: var(--danger);
    margin-bottom: var(--spacing-xs);
}

/* Form Success Message */
.form-success-message {
    background: linear-gradient(135deg, rgba(39, 174, 96, 0.1) 0%, rgba(39, 174, 96, 0.05) 100%);
    border: 1px solid var(--success);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    display: none;
}

.form-success-message.show {
    display: block;
    animation: slideDown 0.3s ease-out;
}

.form-success-message h4 {
    color: var(--success);
    margin: 0 0 var(--spacing-sm) 0;
    font-size: var(--font-size-base);
}

.form-success-message p {
    color: var(--success);
    margin: 0;
}

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

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}