/**
 * Image to WebP Converter Stylesheet — Cyber Kendra Theme
 * Dedicated styles for HTML5 Canvas Image to WebP Local Converter:
 *  - Privacy Notice Callout Banner
 *  - WebP Quality Range Slider Bar
 *  - Interactive Drag & Drop Upload Zone
 *  - Converted Image Results Grid Cards & File Size Savings Pills
 *  - Comprehensive Responsive Breakpoints
 *
 * CSS Variables from Theme Core:
 *  - Colors: var(--clr-primary), var(--clr-bg), var(--clr-surface), var(--clr-surface-alt), var(--clr-text), var(--clr-text-muted), var(--clr-border)
 *  - Fonts:  var(--font-display), var(--font-ui), var(--font-mono)
 */

/* ── Section Container ────────────────────────────────────────────────────── */
.ck-webp-section {
    padding-bottom: var(--sp-12, 32px);
}

/* ── Privacy & Security Callout Banner ────────────────────────────────────── */
.ck-webp-notice-banner {
    display: flex;
    align-items: center;
    gap: var(--sp-3, 12px);
    background: color-mix(in srgb, #10b981 8%, var(--clr-surface));
    border: 1px solid color-mix(in srgb, #10b981 30%, transparent);
    border-radius: var(--md, 8px);
    padding: var(--sp-3, 12px) var(--sp-5, 20px);
    margin-bottom: var(--sp-6, 24px);
    font-family: var(--font-ui);
    font-size: 0.88rem;
    color: var(--clr-text);
}

.ck-webp-notice-banner__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    color: #10b981;
    font-size: 1.35rem;
    flex-shrink: 0;
}

.ck-webp-notice-banner__content {
    line-height: 1.45;
}

/* ── QUALITY CONTROL CARD ─────────────────────────────────────────────────── */
.ck-webp-controls-card {
    background: var(--clr-surface);
    border: 1px solid var(--clr-border);
    border-radius: var(--md, 10px);
    padding: var(--sp-4, 16px) var(--sp-5, 20px);
    margin-bottom: var(--sp-6, 24px);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.02);
}

.ck-webp-quality-wrap {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.ck-webp-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-ui);
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--clr-text);
}

.ck-webp-val {
    margin-left: auto;
    font-family: var(--font-mono);
    font-size: 0.95rem;
    color: var(--clr-primary);
    background: color-mix(in srgb, var(--clr-primary) 10%, transparent);
    padding: 2px 10px;
    border-radius: 4px;
}

.ck-webp-range-input {
    width: 100%;
    accent-color: var(--clr-primary);
    cursor: pointer;
    height: 6px;
    border-radius: 3px;
}

/* ── INTERACTIVE DRAG & DROP ZONE ────────────────────────────────────────── */
.ck-webp-dropzone {
    position: relative;
    background: var(--clr-surface);
    border: 2px dashed var(--clr-border);
    border-radius: var(--md, 12px);
    padding: var(--sp-8, 36px) var(--sp-5, 20px);
    text-align: center;
    cursor: pointer;
    transition: all 0.25s ease;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.02);
    margin-bottom: var(--sp-6, 24px);
}

.ck-webp-dropzone:hover,
.ck-webp-dropzone--active {
    border-color: var(--clr-primary);
    background: color-mix(in srgb, var(--clr-primary) 5%, var(--clr-surface));
    transform: translateY(-2px);
}

.ck-webp-file-input {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
    z-index: 10;
}

.ck-webp-dropzone__content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    pointer-events: none;
}

.ck-webp-dropzone__icon {
    font-size: 3.2rem;
    color: var(--clr-primary);
    margin-bottom: var(--sp-2, 8px);
}

.ck-webp-dropzone__title {
    font-family: var(--font-display);
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--clr-text);
    margin: 0 0 var(--sp-1, 4px) 0;
}

.ck-webp-dropzone__sub {
    font-family: var(--font-ui);
    font-size: 0.88rem;
    color: var(--clr-text-muted);
    margin: 0 0 var(--sp-5, 20px) 0;
}

.ck-webp-formats-tag {
    font-family: var(--font-mono);
    font-size: 0.76rem;
    color: var(--clr-text-muted);
    background: var(--clr-surface-alt);
    padding: 4px 12px;
    border-radius: 20px;
    border: 1px solid var(--clr-border);
    margin-top: var(--sp-4, 16px);
}

/* ── BUTTON STYLES ───────────────────────────────────────────────────────── */
.ck-webp-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    height: 42px;
    padding: 0 20px;
    font-family: var(--font-ui);
    font-size: 0.88rem;
    font-weight: 600;
    border-radius: var(--sm, 6px);
    cursor: pointer;
    transition: all 0.2s ease;
    border: 1px solid transparent;
    pointer-events: auto;
}

.ck-webp-btn--primary {
    background: var(--clr-primary);
    color: #ffffff;
}

.ck-webp-btn--primary:hover {
    filter: brightness(1.1);
    box-shadow: 0 4px 14px color-mix(in srgb, var(--clr-primary) 35%, transparent);
}

.ck-webp-btn--success {
    background: #10b981;
    color: #ffffff;
}

.ck-webp-btn--success:hover {
    background: #059669;
    box-shadow: 0 4px 14px rgba(16, 185, 129, 0.35);
}

.ck-webp-btn--outline {
    background: transparent;
    color: var(--clr-text-muted);
    border-color: var(--clr-border);
}

.ck-webp-btn--outline:hover {
    background: var(--clr-surface-alt);
    color: var(--clr-text);
    border-color: var(--clr-text-muted);
}

.ck-webp-btn--card-download {
    width: 100%;
    height: 36px;
    padding: 0 12px;
    font-size: 0.82rem;
    background: color-mix(in srgb, var(--clr-primary) 10%, var(--clr-surface));
    color: var(--clr-primary);
    border: 1px solid color-mix(in srgb, var(--clr-primary) 30%, transparent);
    text-decoration: none;
}

.ck-webp-btn--card-download:hover {
    background: var(--clr-primary);
    color: #ffffff;
}

/* ── HELPER HINT BAR ─────────────────────────────────────────────────────── */
.ck-webp-hint-bar {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: var(--sp-3, 10px) var(--sp-4, 16px);
    background: color-mix(in srgb, #0284c7 10%, var(--clr-surface));
    border: 1px solid color-mix(in srgb, #0284c7 30%, transparent);
    border-radius: var(--sm, 6px);
    color: #0284c7;
    font-family: var(--font-ui);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: var(--sp-6, 24px);
}

.ck-webp-info-banner {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: var(--sp-3, 10px) var(--sp-4, 16px);
    background: var(--clr-surface-alt);
    border: 1px solid var(--clr-border);
    border-radius: var(--sm, 6px);
    color: var(--clr-text-muted);
    font-family: var(--font-ui);
    font-size: 0.82rem;
    margin-top: var(--sp-6, 24px);
}

/* ═══════════════════════════════════════════════════════════════════════════
   CONVERTED RESULTS STATION & CARDS GRID
   ═══════════════════════════════════════════════════════════════════════════ */
.ck-webp-results-wrapper {
    background: var(--clr-surface);
    border: 1px solid var(--clr-border);
    border-radius: var(--md, 10px);
    padding: var(--sp-6, 24px);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
    margin-bottom: var(--sp-6, 24px);
}

.ck-webp-results-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--sp-4, 16px);
    padding-bottom: var(--sp-4, 16px);
    margin-bottom: var(--sp-5, 20px);
    border-bottom: 1px solid var(--clr-border);
    flex-wrap: wrap;
}

.ck-webp-results-title-wrap {
    display: flex;
    align-items: center;
    gap: 8px;
}

.ck-webp-results-title {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--clr-text);
    margin: 0;
}

.ck-webp-results-actions {
    display: flex;
    align-items: center;
    gap: var(--sp-3, 12px);
    flex-wrap: wrap;
}

.ck-webp-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: var(--sp-5, 20px);
}

.ck-webp-card {
    background: var(--clr-surface-alt);
    border: 1px solid var(--clr-border);
    border-radius: var(--sm, 8px);
    padding: var(--sp-4, 14px);
    display: flex;
    flex-direction: column;
    gap: var(--sp-3, 12px);
    transition: all 0.2s ease;
}

.ck-webp-card:hover {
    border-color: color-mix(in srgb, var(--clr-primary) 40%, var(--clr-border));
    transform: translateY(-2px);
}

.ck-webp-card__preview {
    width: 100%;
    height: 150px;
    border-radius: 6px;
    overflow: hidden;
    background: #0f172a;
    display: flex;
    align-items: center;
    justify-content: center;
    background-image: linear-gradient(45deg, #1e293b 25%, transparent 25%), linear-gradient(-45deg, #1e293b 25%, transparent 25%), linear-gradient(45deg, transparent 75%, #1e293b 75%), linear-gradient(-45deg, transparent 75%, #1e293b 75%);
    background-size: 16px 16px;
    background-position: 0 0, 0 8px, 8px -8px, -8px 0px;
}

.ck-webp-card__img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.ck-webp-card__details {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.ck-webp-card__filename {
    font-family: var(--font-ui);
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--clr-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.ck-webp-card__meta {
    display: flex;
    align-items: center;
    gap: 6px;
    font-family: var(--font-mono);
    font-size: 0.76rem;
    color: var(--clr-text-muted);
}

.ck-webp-card__arrow {
    color: var(--clr-primary);
}

.ck-webp-card__tags {
    margin-top: 2px;
}

.ck-webp-savings {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 4px;
}

.ck-webp-savings--positive {
    background: color-mix(in srgb, #10b981 15%, transparent);
    color: #059669;
    border: 1px solid color-mix(in srgb, #10b981 30%, transparent);
}

.ck-webp-savings--negative {
    background: color-mix(in srgb, #f59e0b 15%, transparent);
    color: #d97706;
    border: 1px solid color-mix(in srgb, #f59e0b 30%, transparent);
}

/* ── Editor Content Area ─────────────────────────────────────────────────── */
.ck-webp-editor-content {
    background: var(--clr-surface);
    border: 1px solid var(--clr-border);
    border-radius: var(--md, 8px);
    padding: var(--sp-8, 32px);
    margin-top: var(--sp-8, 32px);
    color: var(--clr-text);
    line-height: 1.7;
}

/* ═══════════════════════════════════════════════════════════════════════════
   RESPONSIVE MEDIA QUERIES (IMAGE TO WEBP CONVERTER)
   ═══════════════════════════════════════════════════════════════════════════ */

/* Large Laptops & Standard Desktops (992px to 1200px) */
@media (max-width: 1200px) {
    .ck-webp-grid {
        grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
    }
}

/* Tablets (768px to 991px) */
@media (max-width: 991px) {
    .ck-webp-results-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .ck-webp-results-actions {
        width: 100%;
    }

    .ck-webp-results-actions .ck-webp-btn {
        flex: 1;
    }
}

/* Small Tablets & Mobile Landscape (576px to 767px) */
@media (max-width: 767px) {
    .ck-webp-notice-banner {
        flex-direction: row;
        padding: 12px 16px;
    }

    .ck-webp-dropzone {
        padding: var(--sp-6, 24px) var(--sp-4, 16px);
    }

    .ck-webp-dropzone__icon {
        font-size: 2.6rem;
    }

    .ck-webp-dropzone__title {
        font-size: 1.15rem;
    }

    .ck-webp-grid {
        grid-template-columns: 1fr 1fr;
    }
}

/* Mobile Portrait (< 576px) */
@media (max-width: 575px) {
    .ck-webp-notice-banner {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .ck-webp-controls-card {
        padding: 14px;
    }

    .ck-webp-dropzone {
        padding: 20px 14px;
    }

    .ck-webp-btn {
        width: 100%;
    }

    .ck-webp-results-wrapper {
        padding: 16px;
    }

    .ck-webp-results-actions {
        flex-direction: column;
    }

    .ck-webp-grid {
        grid-template-columns: 1fr;
    }

    .ck-webp-card__preview {
        height: 180px;
    }
}