/* ====================================
   WCAG Checker Page Styles
   ==================================== */

/* Wide Container Override */
.container--wide {
    max-width: 1600px;
}

/* Layout */
.wcag-layout {
    display: grid;
    grid-template-columns: minmax(320px, 1fr) 3fr;
    gap: 24px;
    margin-top: 24px;
}

/* Control Panel */
.control-panel {
    background: var(--bg-card);
    border-radius: 14px;
    padding: 18px;
    height: fit-content;
    position: sticky;
    top: 90px;
    box-shadow: 0 4px 20px rgba(45, 52, 54, 0.08);
}

.control-section {
    margin-bottom: 16px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
}

.control-section:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.control-section__title {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.control-section__title span {
    font-size: 1rem;
}

/* Color Inputs */
.color-inputs {
    display: flex;
    flex-direction: column;
    gap: 12px;
    align-items: center;
}

.color-input-group {
    width: 100%;
}

.color-input-group label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.color-input-wrapper {
    display: flex;
    gap: 8px;
    align-items: center;
}

.color-picker {
    width: 48px;
    height: 48px;
    padding: 0;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    background: transparent;
}

.color-picker::-webkit-color-swatch-wrapper {
    padding: 0;
}

.color-picker::-webkit-color-swatch {
    border: 2px solid var(--border-color);
    border-radius: 10px;
}

.hex-input {
    flex: 1;
    padding: 12px;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 0.9rem;
    font-family: 'JetBrains Mono', monospace;
    color: var(--text-primary);
    text-transform: uppercase;
}

.hex-input:focus {
    outline: none;
    border-color: var(--accent-secondary);
}

.btn-swap {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: 50%;
    font-size: 1.2rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s;
}

.btn-swap:hover {
    border-color: var(--accent-secondary);
    color: var(--accent-secondary);
    transform: rotate(180deg);
}

/* Font Settings */
.font-settings {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.input-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.input-group--inline {
    flex-direction: row;
    align-items: center;
    gap: 10px;
}

.input-group--inline label {
    flex-shrink: 0;
    width: 40px;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.input-group--inline .input-range {
    flex: 1;
}

.input-group--inline .range-value {
    flex-shrink: 0;
    width: 45px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent-secondary);
    text-align: right;
}

.input-range {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 6px;
    background: var(--bg-secondary);
    border-radius: 3px;
    cursor: pointer;
}

.input-range::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    background: var(--accent-secondary);
    border-radius: 50%;
    cursor: pointer;
    transition: transform 0.2s;
}

.input-range::-webkit-slider-thumb:hover {
    transform: scale(1.15);
}

.weight-select {
    flex: 1;
    padding: 8px 12px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 0.85rem;
    color: var(--text-primary);
    cursor: pointer;
}

/* Preset Buttons */
.preset-buttons {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
}

.preset-btn {
    padding: 10px 8px;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.2s;
}

.preset-btn:hover {
    border-color: var(--accent-secondary);
    color: var(--accent-secondary);
}

/* Action Buttons */
.action-buttons {
    display: flex;
    gap: 8px;
}

.btn-action {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 5px;
    padding: 10px 12px;
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.2s;
}

.btn-action:hover {
    border-color: var(--accent-secondary);
    color: var(--accent-secondary);
}

.btn-action--primary {
    background: var(--accent-secondary);
    border-color: var(--accent-secondary);
    color: white;
}

.btn-action--primary:hover {
    background: #3dbeb0;
    border-color: #3dbeb0;
    color: white;
}

/* Result Panel */
.result-panel {
    background: var(--bg-card);
    border-radius: 16px;
    padding: 24px;
    box-shadow: 0 4px 20px rgba(45, 52, 54, 0.08);
}

/* Contrast Display */
.contrast-display {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    padding: 30px;
    background: linear-gradient(135deg, rgba(78, 205, 196, 0.1), rgba(99, 102, 241, 0.1));
    border-radius: 16px;
    margin-bottom: 24px;
}

.contrast-ratio {
    display: flex;
    align-items: baseline;
    gap: 4px;
}

.contrast-ratio__value {
    font-size: 4rem;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1;
}

.contrast-ratio__label {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.contrast-grade {
    display: flex;
    gap: 8px;
}

.grade-badge {
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 700;
}

.grade-badge--aaa {
    background: #22c55e;
    color: white;
}

.grade-badge--aa {
    background: #f59e0b;
    color: white;
}

.grade-badge--fail {
    background: #ef4444;
    color: white;
}

/* WCAG Results */
.wcag-results {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-bottom: 24px;
}

.wcag-result-card {
    padding: 20px;
    background: var(--bg-secondary);
    border-radius: 12px;
    border: 2px solid var(--border-color);
    transition: border-color 0.3s;
}

.wcag-result-card.pass {
    border-color: #22c55e;
}

.wcag-result-card.fail {
    border-color: #ef4444;
}

.result-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.result-header h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
}

.result-badge {
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 700;
}

.result-badge--pass {
    background: rgba(34, 197, 94, 0.15);
    color: #22c55e;
}

.result-badge--fail {
    background: rgba(239, 68, 68, 0.15);
    color: #ef4444;
}

.result-details {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.result-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 12px;
    background: var(--bg-card);
    border-radius: 8px;
}

.result-item__label {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.result-item__status {
    font-size: 1rem;
    font-weight: 700;
}

.result-item__status--pass {
    color: #22c55e;
}

.result-item__status--fail {
    color: #ef4444;
}

/* Preview Section */
.preview-section {
    margin-bottom: 24px;
}

.preview-section__title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.preview-section__title::before {
    content: '';
    width: 4px;
    height: 20px;
    background: var(--accent-secondary);
    border-radius: 2px;
}

.preview-box {
    padding: 30px;
    border-radius: 12px;
    transition: all 0.3s;
}

.preview-heading {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.preview-text {
    font-size: 1rem;
    line-height: 1.7;
    margin-bottom: 16px;
}

.preview-button {
    padding: 10px 24px;
    border: 2px solid currentColor;
    border-radius: 8px;
    background: transparent;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.preview-button:hover {
    opacity: 0.8;
}

/* Recommendations */
.recommendations-section {
    margin-bottom: 24px;
    padding: 20px;
    background: rgba(239, 68, 68, 0.05);
    border: 2px solid rgba(239, 68, 68, 0.2);
    border-radius: 12px;
}

.recommendations-section.hidden {
    display: none;
}

.recommendations-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1rem;
    font-weight: 700;
    color: #ef4444;
    margin-bottom: 16px;
}

.recommendations-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.recommendation-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: var(--bg-card);
    border-radius: 8px;
}

.recommendation-color {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    border: 2px solid var(--border-color);
    cursor: pointer;
    transition: transform 0.2s;
}

.recommendation-color:hover {
    transform: scale(1.1);
}

.recommendation-info {
    flex: 1;
}

.recommendation-info__value {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
    font-family: 'JetBrains Mono', monospace;
}

.recommendation-info__label {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* Info Section */
.info-section {
    padding: 20px;
    background: var(--bg-secondary);
    border-radius: 12px;
}

.info-section__title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.info-card {
    padding: 16px;
    background: var(--bg-card);
    border-radius: 10px;
}

.info-card h4 {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.info-card ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.info-card li {
    font-size: 0.85rem;
    color: var(--text-secondary);
    padding: 6px 0;
    border-bottom: 1px solid var(--border-color);
}

.info-card li:last-child {
    border-bottom: none;
}

.info-card strong {
    color: var(--accent-secondary);
}

/* Toast Notification */
.toast {
    position: fixed;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    padding: 14px 28px;
    background: #2d3436;
    color: white;
    border-radius: 10px;
    font-size: 0.95rem;
    font-weight: 500;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    z-index: 9999;
}

.toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
    visibility: visible;
}

/* Responsive Design */
@media (min-width: 1400px) {
    .wcag-layout {
        grid-template-columns: minmax(360px, 1fr) 3fr;
    }
}

@media (max-width: 1024px) {
    .wcag-layout {
        grid-template-columns: 1fr;
    }
    
    .control-panel {
        position: static;
        order: 2;
    }
    
    .result-panel {
        order: 1;
    }
}

@media (max-width: 768px) {
    .wcag-layout {
        gap: 20px;
    }
    
    .control-panel {
        padding: 16px;
    }
    
    .result-panel {
        padding: 16px;
    }
    
    .contrast-display {
        flex-direction: column;
        padding: 20px;
    }
    
    .contrast-ratio__value {
        font-size: 3rem;
    }
    
    .wcag-results {
        grid-template-columns: 1fr;
    }
    
    .info-grid {
        grid-template-columns: 1fr;
    }
    
    .preset-buttons {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .action-buttons {
        flex-direction: column;
    }
}

/* Feature Introduction Section */
.feature-intro {
    margin-top: 60px;
    padding: 40px 0;
    border-top: 2px solid var(--border-color);
}

.feature-intro__header {
    text-align: center;
    margin-bottom: 48px;
}

.feature-intro__title {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: 12px;
}

.feature-intro__icon {
    font-size: 2.2rem;
}

.feature-intro__subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

.feature-intro__content {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.feature-card {
    background: var(--bg-card);
    border-radius: 16px;
    padding: 28px;
    box-shadow: 0 4px 20px rgba(45, 52, 54, 0.08);
    transition: transform 0.3s, box-shadow 0.3s;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px rgba(45, 52, 54, 0.12);
}

.feature-card__icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
    display: block;
}

.feature-card__title {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.feature-card__text {
    font-size: 0.95rem;
    line-height: 1.8;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.feature-card__text strong {
    color: var(--text-primary);
    font-weight: 700;
}

.feature-card__highlight {
    display: flex;
    gap: 10px;
    padding: 14px;
    background: rgba(78, 205, 196, 0.1);
    border-left: 4px solid var(--accent-secondary);
    border-radius: 8px;
    font-size: 0.9rem;
    line-height: 1.6;
    color: var(--text-primary);
}

.feature-card__highlight span:first-child {
    font-size: 1.2rem;
    flex-shrink: 0;
}

.feature-card__list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.feature-card__item {
    display: flex;
    gap: 14px;
    align-items: flex-start;
}

.feature-card__item-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
    margin-top: 2px;
}

.feature-card__item strong {
    display: block;
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.feature-card__item p {
    font-size: 0.9rem;
    line-height: 1.6;
    color: var(--text-secondary);
    margin: 0;
}

/* Feature Steps */
.feature-steps {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.feature-step {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.feature-step__number {
    flex-shrink: 0;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-secondary);
    color: white;
    border-radius: 50%;
    font-size: 1.1rem;
    font-weight: 700;
}

.feature-step__content h4 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.feature-step__content p {
    font-size: 0.9rem;
    line-height: 1.6;
    color: var(--text-secondary);
    margin: 0;
}

/* Feature Grid */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
}

.feature-badge {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 16px;
    background: var(--bg-secondary);
    border-radius: 12px;
    transition: all 0.2s;
}

.feature-badge:hover {
    background: rgba(78, 205, 196, 0.1);
    transform: translateY(-2px);
}

.feature-badge__icon {
    font-size: 1.8rem;
}

.feature-badge__text {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
    text-align: center;
}

/* Responsive Design for Feature Intro */
@media (max-width: 1024px) {
    .feature-intro__content {
        grid-template-columns: 1fr;
    }
    
    .feature-steps {
        grid-template-columns: 1fr;
    }
    
    .feature-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .feature-intro {
        margin-top: 40px;
        padding: 30px 0;
    }
    
    .feature-intro__header {
        margin-bottom: 32px;
    }
    
    .feature-intro__title {
        font-size: 1.6rem;
    }
    
    .feature-intro__icon {
        font-size: 1.8rem;
    }
    
    .feature-intro__subtitle {
        font-size: 1rem;
        padding: 0 16px;
    }
    
    .feature-card {
        padding: 20px;
    }
    
    .feature-card__icon {
        font-size: 2rem;
    }
    
    .feature-card__title {
        font-size: 1.1rem;
    }
    
    .feature-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .contrast-ratio__value {
        font-size: 2.5rem;
    }
    
    .preview-box {
        padding: 20px;
    }
    
    .preview-heading {
        font-size: 1.2rem;
    }
    
    .feature-intro__title {
        font-size: 1.4rem;
        flex-direction: column;
        gap: 8px;
    }
    
    .feature-card {
        padding: 16px;
    }
    
    .feature-step {
        gap: 12px;
    }
    
    .feature-step__number {
        width: 32px;
        height: 32px;
        font-size: 1rem;
    }
}