/**
 * MinerSheets Advanced form Validation Styles
 * Enterprise-grade form styling with Real-time validation feedback
 */

/* Validation error Containers */
.validation-errors {
    min-height: 20px;
    transition: all 0.3s ease-in-out;
}

.validation-errors:empty {
    display: none;
}

.validation-errors .text-red-600 {
    background: rgba(239, 68, 68, 0.1);
    border-left: 3px solid #ef4444;
    padding: 4px 8px;
    border-radius: 4px;
    margin-top: 4px;
    font-size: 0.875rem;
    animation: slideDown 0.3s ease-out;
}

/* Slide down animation for error messages */
@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
        max-height: 0;
    }
    to {
        opacity: 1;
        transform: translateY(0);
        max-height: 50px;
    }
}

/* field validation states */
.field-valid {
    border-color: #10b981 !important;
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.1) !important;
}

.field-valid:focus {
    border-color: #059669 !important;
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.2) !important;
}

.field-invalid {
    border-color: #ef4444 !important;
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1) !important;
}

.field-invalid:focus {
    border-color: #dc2626 !important;
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.2) !important;
}

.field-neutral {
    border-color: #d1d5db !important;
}

.field-neutral:focus {
    border-color: #3b82f6 !important;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1) !important;
}

/* Success icons for valid fields */
.field-valid::after {
    content: '✓';
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    color: #10b981;
    font-weight: bold;
    pointer-events: none;
}

/* warning icons for invalid fields */
.field-invalid::after {
    content: '⚠';
    position: absolute;
    right: 8px;
    top: 50%;
    transform: translateY(-50%);
    color: #ef4444;
    font-weight: bold;
    pointer-events: none;
}

/* form field containers */
.form-field-container {
    position: relative;
}

/* Enhanced focus states */
.focus-ring-enhanced:focus {
    outline: none;
    border-color: #3b82f6;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
    transition: all 0.2s ease-in-out;
}

/* Progressive enhancement for labels */
.form-label-enhanced {
    transition: all 0.2s ease-in-out;
    transform-origin: left top;
}

.form-label-enhanced.field-focused {
    color: #3b82f6;
    font-weight: 500;
}

.form-label-enhanced.field-valid {
    color: #10b981;
}

.form-label-enhanced.field-invalid {
    color: #ef4444;
}

/* Required field indicators */
.required-asterisk {
    color: #ef4444;
    margin-left: 4px;
    transition: color 0.2s ease-in-out;
}

.field-valid + .form-label-enhanced .required-asterisk {
    color: #10b981;
}

/* form Validation summary */
.validation-summary {
    background: linear-gradient(135deg, #fef2f2 0%, #fdf2f8 100%);
    border: 1px solid #fecaca;
    border-left: 4px solid #ef4444;
    border-radius: 8px;
    padding: 16px;
    margin-bottom: 20px;
    animation: slideDown 0.3s ease-out;
}

.validation-summary.success {
    background: linear-gradient(135deg, #f0fdf4 0%, #f0f9ff 100%);
    border-color: #bbf7d0;
    border-left-color: #10b981;
}

.validation-summary-icon {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
    margin-right: 12px;
}

.validation-summary-content h4 {
    font-weight: 600;
    margin-bottom: 8px;
}

.validation-summary-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.validation-summary-list li {
    padding: 4px 0;
    position: relative;
    padding-left: 20px;
}

.validation-summary-list li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: #ef4444;
    font-weight: bold;
}

/* Enhanced button states */
.btn-submit {
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease-in-out;
}

.btn-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

.btn-submit:not(:disabled):hover {
    transform: translateY(-1px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
}

.btn-submit:not(:disabled):active {
    transform: translateY(0);
    box-shadow: 0 5px 10px rgba(0, 0, 0, 0.1);
}

/* Loading spinner animation */
.spinner {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

/* Help text styling */
.help-text {
    color: #6b7280;
    font-size: 0.875rem;
    margin-top: 4px;
    transition: color 0.2s ease-in-out;
}

.field-focused + .help-text {
    color: #3b82f6;
}

.field-valid + .help-text {
    color: #10b981;
}

.field-invalid + .help-text {
    color: #ef4444;
}

/* Responsive validation styles */
@media (max-width: 640px) {
    .validation-errors .text-red-600 {
        font-size: 0.8rem;
        padding: 3px 6px;
    }

    .validation-summary {
        padding: 12px;
        margin-bottom: 16px;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .field-valid {
        border-color: #059669 !important;
        border-width: 2px !important;
    }

    .field-invalid {
        border-color: #dc2626 !important;
        border-width: 2px !important;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    .validation-errors .text-red-600,
    .validation-summary,
    .field-valid,
    .field-invalid,
    .btn-submit {
        animation: none !important;
        transition: none !important;
    }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    .validation-errors .text-red-600 {
        background: rgba(239, 68, 68, 0.2);
        color: #fca5a5;
    }

    .validation-summary {
        background: rgba(239, 68, 68, 0.1);
        border-color: rgba(239, 68, 68, 0.3);
        color: #fca5a5;
    }

    .help-text {
        color: #9ca3af;
    }
}

/* Accessibility improvements */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Focus visible for keyboard navigation */
.focus-visible:focus {
    outline: 2px solid #3b82f6;
    outline-offset: 2px;
}

/* Enhanced tooltip styles for validation messages */
.validation-tooltip {
    position: relative;
}

.validation-tooltip::after {
    content: attr(data-validation-message);
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: #1f2937;
    color: white;
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 0.875rem;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease-in-out;
    z-index: 1000;
}

.validation-tooltip::before {
    content: '';
    position: absolute;
    bottom: 100%;
    left: 50%;
    transform: translateX(-50%) translateY(100%);
    border: 5px solid transparent;
    border-top-color: #1f2937;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease-in-out;
}

.validation-tooltip:hover::after,
.validation-tooltip:hover::before {
    opacity: 1;
}