/**
 * FEU SEO Toolkit - UI Components
 * Based on FEU-SEO.com branding
 * Version: 1.0.0
 */

/* ===== Reset & Base ===== */
.feu-seo-tool {
    font-family: var(--feu-font-body, -apple-system, BlinkMacSystemFont, sans-serif) !important;
    font-size: var(--feu-text-base, 16px) !important;
    line-height: var(--feu-leading-normal, 1.5) !important;
    color: #ffffff !important;
    background-color: #181818 !important;
    padding: var(--feu-space-lg, 24px) !important;
    border-radius: var(--feu-radius-lg, 12px) !important;
    max-width: var(--feu-container-max, 1200px);
    margin: 0 auto;
    box-sizing: border-box;
}

.feu-seo-tool *,
.feu-seo-tool *::before,
.feu-seo-tool *::after {
    box-sizing: border-box;
    color: inherit;
}

/* ===== Typography ===== */
.feu-seo-title {
    font-family: var(--feu-font-header, 'Nunito Sans', sans-serif) !important;
    font-size: var(--feu-text-2xl, 24px) !important;
    font-weight: var(--feu-font-bold, 700) !important;
    color: #ffffff !important;
    margin: 0 0 var(--feu-space-sm, 8px) 0 !important;
}

.feu-seo-subtitle {
    font-family: var(--feu-font-body, sans-serif) !important;
    font-size: var(--feu-text-base, 16px) !important;
    color: rgba(235, 235, 235, 0.64) !important;
    margin: 0 0 var(--feu-space-lg, 24px) 0 !important;
}

.feu-seo-heading {
    font-family: var(--feu-font-header, 'Nunito Sans', sans-serif) !important;
    font-size: var(--feu-text-lg, 18px) !important;
    font-weight: var(--feu-font-semibold, 600) !important;
    color: #ffffff !important;
    margin: 0 0 var(--feu-space-md, 16px) 0 !important;
}

/* ===== Buttons ===== */
.feu-seo-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--feu-space-sm, 8px);
    padding: 14px 28px;
    font-family: var(--feu-font-body, sans-serif);
    font-size: var(--feu-text-base, 16px);
    font-weight: 600;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    white-space: nowrap;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.feu-seo-btn:focus {
    outline: 2px solid var(--feu-button, #FF7425);
    outline-offset: 2px;
}

.feu-seo-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

/* Primary Button - 3D Effect */
.feu-seo-btn-primary {
    background: linear-gradient(180deg, #FF8C42 0%, #FF7425 50%, #E56A1F 100%);
    color: #ffffff !important;
    box-shadow:
        0 4px 0 0 #C45A18,
        0 6px 12px rgba(255, 116, 37, 0.3);
    position: relative;
}

.feu-seo-btn-primary:hover:not(:disabled) {
    background: linear-gradient(180deg, #FF9A57 0%, #FF8233 50%, #F07020 100%);
    transform: translateY(-2px);
    box-shadow:
        0 6px 0 0 #C45A18,
        0 8px 16px rgba(255, 116, 37, 0.4);
}

.feu-seo-btn-primary:active:not(:disabled) {
    transform: translateY(2px);
    box-shadow:
        0 2px 0 0 #C45A18,
        0 3px 8px rgba(255, 116, 37, 0.2);
}

/* Secondary Button - 3D Effect */
.feu-seo-btn-secondary {
    background: linear-gradient(180deg, #3a3a3a 0%, #2a2a2a 50%, #1a1a1a 100%);
    color: rgba(235, 235, 235, 0.9) !important;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow:
        0 4px 0 0 #0a0a0a,
        0 6px 12px rgba(0, 0, 0, 0.3);
}

.feu-seo-btn-secondary:hover:not(:disabled) {
    background: linear-gradient(180deg, #454545 0%, #353535 50%, #252525 100%);
    color: #ffffff !important;
    transform: translateY(-2px);
    box-shadow:
        0 6px 0 0 #0a0a0a,
        0 8px 16px rgba(0, 0, 0, 0.4);
}

.feu-seo-btn-secondary:active:not(:disabled) {
    transform: translateY(2px);
    box-shadow:
        0 2px 0 0 #0a0a0a,
        0 3px 8px rgba(0, 0, 0, 0.2);
}

/* Small Button */
.feu-seo-btn-sm {
    padding: 8px 16px;
    font-size: var(--feu-text-sm);
}

/* Icon Button */
.feu-seo-btn-icon {
    fill: currentColor;
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

/* Loading State */
.feu-seo-btn.is-loading {
    position: relative;
    color: transparent !important;
    pointer-events: none;
    transform: translateY(0) !important;
}

.feu-seo-btn.is-loading::after {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top-color: #ffffff;
    border-radius: 50%;
    animation: feu-spin 0.8s linear infinite;
}

.feu-seo-btn-primary.is-loading::after {
    border-color: rgba(255, 255, 255, 0.3);
    border-top-color: #ffffff;
}

.feu-seo-btn-secondary.is-loading::after {
    border-color: rgba(255, 255, 255, 0.2);
    border-top-color: rgba(255, 255, 255, 0.8);
}

/* ===== Form Elements ===== */
.feu-seo-form-group {
    margin-bottom: var(--feu-space-md);
}

.feu-seo-label {
    display: block;
    font-family: var(--feu-font-body, sans-serif) !important;
    font-size: var(--feu-text-sm, 14px) !important;
    font-weight: var(--feu-font-medium, 500) !important;
    color: #ffffff !important;
    margin-bottom: var(--feu-space-sm, 8px) !important;
}

.feu-seo-label-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--feu-space-sm);
}

.feu-seo-hint {
    font-size: var(--feu-text-xs, 12px) !important;
    color: rgba(235, 235, 235, 0.45) !important;
    margin-top: var(--feu-space-xs, 4px) !important;
}

/* Input */
.feu-seo-input {
    width: 100%;
    padding: 12px;
    font-family: var(--feu-font-body, sans-serif) !important;
    font-size: var(--feu-text-base, 16px) !important;
    color: #ffffff !important;
    background-color: #222222 !important;
    border: 1px solid rgba(84, 84, 84, 0.48) !important;
    border-radius: var(--feu-radius-md, 8px) !important;
    transition: border-color var(--feu-transition-fast, 150ms ease), box-shadow var(--feu-transition-fast, 150ms ease);
}

.feu-seo-input::placeholder {
    color: rgba(235, 235, 235, 0.45) !important;
}

.feu-seo-input:hover {
    border-color: var(--feu-border-hover);
}

.feu-seo-input:focus {
    outline: none;
    border-color: var(--feu-border-focus);
    box-shadow: 0 0 0 3px rgba(255, 116, 37, 0.15);
}

.feu-seo-input.is-invalid {
    border-color: var(--feu-error);
    box-shadow: 0 0 0 3px var(--feu-error-bg);
}

.feu-seo-input.is-valid {
    border-color: var(--feu-success);
}

/* Textarea */
.feu-seo-textarea {
    width: 100%;
    min-height: 150px;
    padding: 12px;
    font-family: var(--feu-font-body, sans-serif) !important;
    font-size: var(--feu-text-base, 16px) !important;
    color: #ffffff !important;
    background-color: #222222 !important;
    border: 1px solid rgba(84, 84, 84, 0.48) !important;
    border-radius: var(--feu-radius-md, 8px) !important;
    resize: vertical;
    transition: border-color var(--feu-transition-fast, 150ms ease), box-shadow var(--feu-transition-fast, 150ms ease);
}

.feu-seo-textarea::placeholder {
    color: var(--feu-text-muted);
}

.feu-seo-textarea:hover {
    border-color: var(--feu-border-hover);
}

.feu-seo-textarea:focus {
    outline: none;
    border-color: var(--feu-border-focus);
    box-shadow: 0 0 0 3px rgba(255, 116, 37, 0.15);
}

.feu-seo-textarea[readonly] {
    background-color: var(--feu-bg-mute);
    cursor: default;
}

.feu-seo-textarea-mono {
    font-family: var(--feu-font-mono);
    font-size: var(--feu-text-sm);
}

/* Select */
.feu-seo-select-wrapper {
    position: relative;
    display: block;
    width: 100%;
}

.feu-seo-select {
    width: 100%;
    padding: 12px 40px 12px 16px;
    font-family: var(--feu-font-body, sans-serif) !important;
    font-size: var(--feu-text-base, 16px) !important;
    color: #ffffff !important;
    background-color: #222222 !important;
    border: 1px solid rgba(84, 84, 84, 0.48) !important;
    border-radius: var(--feu-radius-md, 8px) !important;
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    transition: border-color var(--feu-transition-fast, 150ms ease), box-shadow var(--feu-transition-fast, 150ms ease);
}

.feu-seo-select:hover {
    border-color: var(--feu-border-hover);
}

.feu-seo-select:focus {
    outline: none;
    border-color: var(--feu-border-focus);
    box-shadow: 0 0 0 3px rgba(255, 116, 37, 0.15);
}

.feu-seo-select option {
    background-color: var(--feu-bg-soft);
    color: var(--feu-text-primary);
    padding: 8px;
}

.feu-seo-select-arrow {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    pointer-events: none;
    color: var(--feu-text-secondary);
    width: 16px;
    height: 16px;
}

/* Checkbox */
.feu-seo-checkbox {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    cursor: pointer;
    font-size: var(--feu-text-sm);
    color: var(--feu-text-secondary);
    transition: color var(--feu-transition-fast);
}

.feu-seo-checkbox:hover {
    color: var(--feu-text-primary);
}

.feu-seo-checkbox input {
    display: none;
}

.feu-seo-checkbox-mark {
    width: 18px;
    height: 18px;
    border: 2px solid var(--feu-border-hover);
    border-radius: var(--feu-radius-sm);
    position: relative;
    transition: all var(--feu-transition-fast);
    flex-shrink: 0;
}

.feu-seo-checkbox input:checked + .feu-seo-checkbox-mark {
    background-color: var(--feu-button);
    border-color: var(--feu-button);
}

.feu-seo-checkbox input:checked + .feu-seo-checkbox-mark::after {
    content: '';
    position: absolute;
    left: 5px;
    top: 2px;
    width: 4px;
    height: 8px;
    border: solid var(--feu-text-primary);
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

/* Toggle Buttons */
.feu-seo-toggle-group {
    display: flex;
    gap: var(--feu-space-sm, 8px);
}

.feu-seo-toggle {
    flex: 1;
    padding: 10px 16px;
    background: linear-gradient(180deg, #3a3a3a 0%, #2a2a2a 100%);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    color: rgba(235, 235, 235, 0.7) !important;
    font-family: var(--feu-font-body, sans-serif);
    font-size: var(--feu-text-sm, 14px);
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 2px 0 0 #0a0a0a;
}

.feu-seo-toggle:hover {
    background: linear-gradient(180deg, #454545 0%, #353535 100%);
    color: #ffffff !important;
    transform: translateY(-1px);
    box-shadow: 0 3px 0 0 #0a0a0a;
}

.feu-seo-toggle.active {
    background: linear-gradient(180deg, #FF8C42 0%, #FF7425 50%, #E56A1F 100%);
    border-color: #FF7425;
    color: #ffffff !important;
    box-shadow: 0 2px 0 0 #C45A18;
}

.feu-seo-toggle.active:hover {
    background: linear-gradient(180deg, #FF9A57 0%, #FF8233 100%);
}

/* ===== Layout ===== */
.feu-seo-row {
    display: flex;
    gap: var(--feu-space-md);
    flex-wrap: wrap;
}

.feu-seo-col {
    flex: 1;
    min-width: 200px;
}

.feu-seo-grid {
    display: grid;
    gap: var(--feu-space-lg);
}

.feu-seo-grid-2 {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.feu-seo-actions {
    display: flex;
    gap: var(--feu-space-sm);
    margin: var(--feu-space-lg) 0;
    flex-wrap: wrap;
}

/* ===== Cards ===== */
.feu-seo-card {
    background-color: var(--feu-bg-soft);
    border-radius: var(--feu-radius-lg);
    padding: var(--feu-space-lg);
    border: 1px solid var(--feu-border);
}

.feu-seo-card-title {
    display: flex;
    align-items: center;
    gap: var(--feu-space-sm);
    font-family: var(--feu-font-header);
    font-size: var(--feu-text-base);
    font-weight: var(--feu-font-semibold);
    color: var(--feu-text-primary);
    margin-bottom: var(--feu-space-md);
}

.feu-seo-card-icon {
    color: var(--feu-button);
    width: 18px;
    height: 18px;
}

/* ===== Results ===== */
.feu-seo-results {
    margin-top: var(--feu-space-lg);
    padding: var(--feu-space-lg);
    background-color: var(--feu-bg-soft);
    border-radius: var(--feu-radius-lg);
    border: 1px solid var(--feu-border);
}

.feu-seo-results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--feu-space-md);
}

.feu-seo-results-title {
    font-family: var(--feu-font-header);
    font-size: var(--feu-text-lg);
    font-weight: var(--feu-font-semibold);
    color: var(--feu-text-primary);
}

/* ===== Alerts ===== */
.feu-seo-alert {
    padding: var(--feu-space-md);
    border-radius: var(--feu-radius-md);
    margin: var(--feu-space-md) 0;
    display: flex;
    align-items: flex-start;
    gap: var(--feu-space-sm);
    font-size: var(--feu-text-sm);
}

.feu-seo-alert-icon {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
}

.feu-seo-alert-content {
    flex: 1;
}

.feu-seo-alert-title {
    font-weight: var(--feu-font-semibold);
    margin-bottom: var(--feu-space-xs);
}

.feu-seo-alert-success {
    background-color: var(--feu-success-bg);
    border: 1px solid var(--feu-success-border);
    color: var(--feu-success);
}

.feu-seo-alert-error {
    background-color: var(--feu-error-bg);
    border: 1px solid var(--feu-error-border);
    color: var(--feu-error);
}

.feu-seo-alert-warning {
    background-color: var(--feu-warning-bg);
    border: 1px solid var(--feu-warning-border);
    color: var(--feu-warning);
}

.feu-seo-alert-info {
    background-color: rgba(255, 116, 37, 0.1);
    border: 1px solid rgba(255, 116, 37, 0.3);
    color: #FF7425;
}

/* ===== Loading ===== */
.feu-seo-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--feu-space-xl);
    gap: var(--feu-space-md);
}

.feu-seo-spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--feu-bg-elevated);
    border-top-color: var(--feu-button);
    border-radius: 50%;
    animation: feu-spin 1s linear infinite;
}

.feu-seo-loading-text {
    color: var(--feu-text-secondary);
    font-size: var(--feu-text-sm);
}

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

/* ===== Toast Notifications ===== */
.feu-seo-toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: var(--feu-z-toast);
    display: flex;
    flex-direction: column;
    gap: var(--feu-space-sm);
    pointer-events: none;
}

.feu-seo-toast {
    padding: 14px 24px;
    background-color: var(--feu-bg-soft);
    color: var(--feu-text-primary);
    border-radius: var(--feu-radius-md);
    box-shadow: var(--feu-shadow-lg);
    font-size: var(--feu-text-sm);
    display: flex;
    align-items: center;
    gap: var(--feu-space-sm);
    animation: feu-slide-in 0.3s ease;
    border-left: 4px solid var(--feu-button);
    pointer-events: auto;
}

.feu-seo-toast.success {
    border-left-color: var(--feu-success);
}

.feu-seo-toast.error {
    border-left-color: var(--feu-error);
}

.feu-seo-toast.fade-out {
    animation: feu-fade-out 0.3s ease forwards;
}

.feu-seo-toast-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

@keyframes feu-slide-in {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes feu-fade-out {
    to {
        opacity: 0;
        transform: translateY(10px);
    }
}

/* ===== Table ===== */
.feu-seo-table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--feu-text-sm);
}

.feu-seo-table th,
.feu-seo-table td {
    padding: var(--feu-space-sm) var(--feu-space-md);
    text-align: left;
    border-bottom: 1px solid var(--feu-border);
}

.feu-seo-table th {
    font-weight: var(--feu-font-semibold);
    color: var(--feu-text-secondary);
    background-color: var(--feu-bg-mute);
}

.feu-seo-table tr:hover td {
    background-color: var(--feu-bg-hover);
}

/* ===== Badges ===== */
.feu-seo-badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 12px;
    font-size: var(--feu-text-xs);
    font-weight: var(--feu-font-medium);
    border-radius: var(--feu-radius-full);
    background-color: var(--feu-bg-elevated);
    color: var(--feu-text-secondary);
}

.feu-seo-badge-success {
    background-color: var(--feu-success-bg);
    color: var(--feu-success);
}

.feu-seo-badge-error {
    background-color: var(--feu-error-bg);
    color: var(--feu-error);
}

.feu-seo-badge-warning {
    background-color: var(--feu-warning-bg);
    color: var(--feu-warning);
}

/* ===== Divider ===== */
.feu-seo-divider {
    height: 1px;
    background-color: var(--feu-border);
    margin: var(--feu-space-lg) 0;
}

/* ===== Copy Button (Inline) ===== */
.feu-seo-copy-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    background: linear-gradient(180deg, #FF8C42 0%, #FF7425 50%, #E56A1F 100%);
    color: #ffffff !important;
    border: none;
    border-radius: 8px;
    font-family: var(--feu-font-body, sans-serif);
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    box-shadow: 0 3px 0 0 #C45A18;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.feu-seo-copy-btn:hover {
    background: linear-gradient(180deg, #FF9A57 0%, #FF8233 100%);
    transform: translateY(-1px);
    box-shadow: 0 4px 0 0 #C45A18;
}

.feu-seo-copy-btn:active {
    transform: translateY(1px);
    box-shadow: 0 2px 0 0 #C45A18;
}

.feu-seo-copy-btn.copied {
    background: linear-gradient(180deg, #7ED56F 0%, #67c23a 50%, #55a52e 100%);
    box-shadow: 0 3px 0 0 #408a24;
}

.feu-seo-copy-btn svg {
    width: 14px;
    height: 14px;
    fill: currentColor;
}

/* ===== Google Preview ===== */
.feu-seo-google-preview {
    background-color: #ffffff;
    border-radius: var(--feu-radius-md);
    padding: var(--feu-space-md);
    font-family: Arial, sans-serif;
}

.feu-seo-google-preview-title {
    color: #1a0dab;
    font-size: 20px;
    line-height: 1.3;
    margin-bottom: 4px;
    text-decoration: none;
    display: block;
}

.feu-seo-google-preview-title:hover {
    text-decoration: underline;
}

.feu-seo-google-preview-url {
    color: #006621;
    font-size: 14px;
    margin-bottom: 4px;
}

.feu-seo-google-preview-desc {
    color: #545454;
    font-size: 14px;
    line-height: 1.58;
}

/* ===== Force Text Colors (Override Theme) ===== */
.feu-seo-tool.feu-seo-tool,
.feu-seo-tool.feu-seo-tool *:not(input):not(textarea):not(select):not(button):not(a):not(.feu-seo-google-preview *) {
    color: #ffffff !important;
}

.feu-seo-tool .feu-seo-label,
.feu-seo-tool label.feu-seo-label,
div.feu-seo-tool .feu-seo-label {
    color: #ffffff !important;
}

.feu-seo-tool .feu-seo-hint,
.feu-seo-tool span.feu-seo-hint {
    color: rgba(235, 235, 235, 0.5) !important;
}

.feu-seo-tool .feu-seo-subtitle,
.feu-seo-tool p.feu-seo-subtitle {
    color: rgba(235, 235, 235, 0.7) !important;
}

.feu-seo-tool .feu-seo-input,
.feu-seo-tool input.feu-seo-input {
    color: #ffffff !important;
    background-color: #222222 !important;
}

.feu-seo-tool .feu-seo-textarea,
.feu-seo-tool textarea.feu-seo-textarea {
    color: #ffffff !important;
    background-color: #222222 !important;
}

.feu-seo-tool .feu-seo-select,
.feu-seo-tool select.feu-seo-select {
    color: #ffffff !important;
    background-color: #222222 !important;
}

.feu-seo-tool .feu-seo-checkbox {
    color: rgba(235, 235, 235, 0.8) !important;
}

.feu-seo-tool .feu-seo-card-title {
    color: #ffffff !important;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .feu-seo-tool {
        padding: var(--feu-space-md);
    }

    .feu-seo-title {
        font-size: var(--feu-text-xl);
    }

    .feu-seo-row {
        flex-direction: column;
    }

    .feu-seo-col {
        min-width: 100%;
    }

    .feu-seo-actions {
        flex-direction: column;
    }

    .feu-seo-btn {
        width: 100%;
        justify-content: center;
    }

    .feu-seo-toggle-group {
        flex-direction: column;
    }

    .feu-seo-toast-container {
        left: 16px;
        right: 16px;
        bottom: 16px;
    }
}