/* ============================================================
   Image Compressor Tool — image-compressor.css
   Prefix: ic-
   Accent: #8B5CF6 (violet)
   ============================================================ */

/* --- Section Layout ---------------------------------------- */
.ic-section {
    padding: 40px 0 80px;
}

.ic-section-header {
    text-align: center;
    margin-bottom: 32px;
}

.ic-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(139, 92, 246, 0.12);
    border: 1px solid rgba(139, 92, 246, 0.25);
    border-radius: 999px;
    padding: 6px 16px;
    font-size: 0.8125rem;
    font-weight: 600;
    color: #8B5CF6;
    margin-bottom: 14px;
}

.ic-badge i {
    font-size: 0.8125rem;
}

.ic-section-desc {
    color: var(--text-secondary);
    font-size: 1rem;
    max-width: 560px;
    margin: 0 auto;
    line-height: 1.6;
}

/* --- Upload Zone ------------------------------------------- */
.ic-upload-zone {
    border: 2px dashed rgba(139, 92, 246, 0.35);
    border-radius: 16px;
    background: rgba(139, 92, 246, 0.04);
    padding: 56px 24px;
    text-align: center;
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s;
    outline: none;
}

.ic-upload-zone:hover,
.ic-upload-zone:focus {
    border-color: rgba(139, 92, 246, 0.7);
    background: rgba(139, 92, 246, 0.08);
}

.ic-upload-zone.ic-drag-over {
    border-color: #8B5CF6;
    background: rgba(139, 92, 246, 0.12);
}

.ic-upload-icon {
    font-size: 3rem;
    color: #8B5CF6;
    opacity: 0.7;
    margin-bottom: 14px;
    display: block;
}

.ic-upload-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 6px;
}

.ic-upload-sub {
    font-size: 1rem;
    color: var(--text-secondary);
    margin: 0 0 10px;
}

.ic-upload-formats {
    font-size: 0.9375rem;
    color: var(--text-light);
    margin: 0;
    letter-spacing: 0.02em;
}

/* --- Toolbox ----------------------------------------------- */
.ic-toolbox {
    background: #F8FAFC;
    border: 1px solid rgba(100, 116, 139, 0.14);
    border-radius: 14px;
    padding: 20px 24px;
    margin-top: 20px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

/* Quality Row */
.ic-quality-row {
    display: flex;
    flex-direction: column;
    gap: 12px;
    background: #FFFFFF;
    border: 1px solid rgba(139, 92, 246, 0.25);
    border-radius: 12px;
    padding: 16px 20px;
    box-shadow: 0 1px 4px rgba(139, 92, 246, 0.06);
}

.ic-quality-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
}

.ic-quality-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--text-secondary);
    white-space: nowrap;
}

.ic-quality-label i {
    font-size: 0.9375rem;
    color: #a78bfa;
}

.ic-quality-readout {
    display: flex;
    align-items: baseline;
    gap: 4px;
}

.ic-quality-value {
    font-size: 1.6rem;
    font-weight: 800;
    color: #8B5CF6;
    line-height: 1;
}

.ic-quality-unit {
    font-size: 0.9375rem;
    font-weight: 700;
    color: #8B5CF6;
    margin-right: 10px;
}

.ic-quality-hint {
    font-size: 0.8125rem;
    font-weight: 600;
    color: #7C3AED;
    background: rgba(139, 92, 246, 0.1);
    border: 1px solid rgba(139, 92, 246, 0.25);
    border-radius: 999px;
    padding: 3px 10px;
    white-space: nowrap;
}

.ic-quality-slider {
    width: 100%;
    -webkit-appearance: none;
    appearance: none;
    height: 7px;
    border-radius: 999px;
    background: rgba(139, 92, 246, 0.25);
    outline: none;
    cursor: pointer;
}

.ic-quality-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: #8B5CF6;
    cursor: pointer;
    border: 3px solid #FFFFFF;
    box-shadow: 0 2px 8px rgba(139, 92, 246, 0.45);
    transition: box-shadow 0.15s, transform 0.1s;
}

.ic-quality-slider::-webkit-slider-thumb:hover {
    transform: scale(1.12);
    box-shadow: 0 4px 14px rgba(139, 92, 246, 0.55);
}

.ic-quality-slider::-moz-range-thumb {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: #8B5CF6;
    cursor: pointer;
    border: 3px solid #FFFFFF;
    box-shadow: 0 2px 8px rgba(139, 92, 246, 0.45);
}

.ic-quality-slider:focus::-webkit-slider-thumb {
    box-shadow: 0 0 0 4px rgba(139, 92, 246, 0.45);
}

.ic-quality-marks {
    display: flex;
    justify-content: space-between;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text-light);
    padding: 0 2px;
}

/* Action Buttons Row */
.ic-toolbox-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

/* --- Buttons ----------------------------------------------- */
.ic-btn {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 9px 18px;
    border-radius: 8px;
    font-size: 0.9375rem;
    font-weight: 600;
    cursor: pointer;
    border: 1px solid transparent;
    transition: background 0.18s, border-color 0.18s, opacity 0.18s;
    white-space: nowrap;
}

.ic-btn i {
    font-size: 0.9375rem;
}

.ic-btn--primary {
    background: #8B5CF6;
    color: #fff;
    border-color: #8B5CF6;
}

.ic-btn--primary:hover {
    background: #7c3aed;
    border-color: #7c3aed;
}

.ic-btn--primary:active {
    opacity: 0.85;
}

.ic-btn--secondary {
    background: rgba(139, 92, 246, 0.12);
    color: #8B5CF6;
    border-color: rgba(139, 92, 246, 0.3);
}

.ic-btn--secondary:hover:not(:disabled) {
    background: rgba(139, 92, 246, 0.2);
}

.ic-btn--ghost {
    background: #FFFFFF;
    color: var(--text-secondary);
    border-color: rgba(100, 116, 139, 0.25);
}

.ic-btn--ghost:hover {
    background: #F8FAFC;
    color: var(--text-primary);
    border-color: rgba(100, 116, 139, 0.4);
}

/* --- Summary Bar ------------------------------------------- */
.ic-summary {
    display: flex;
    gap: 0;
    background: #F8FAFC;
    border: 1px solid rgba(139, 92, 246, 0.18);
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 20px;
}

.ic-summary-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 14px 12px;
    border-right: 1px solid rgba(139, 92, 246, 0.15);
}

.ic-summary-item:last-child {
    border-right: none;
}

.ic-summary-label {
    font-size: 1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-light);
    margin-bottom: 4px;
}

.ic-summary-value {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
}

.ic-summary-value--green {
    color: #22c55e;
}

.ic-summary-value--highlight {
    color: #8B5CF6;
}

/* --- File Cards -------------------------------------------- */
.ic-results {
    margin-top: 20px;
}

.ic-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
}

.ic-card {
    background: #FFFFFF;
    border: 1px solid rgba(100, 116, 139, 0.12);
    border-radius: 14px;
    overflow: hidden;
    transition: border-color 0.2s, box-shadow 0.2s;
    box-shadow: var(--shadow-card);
}

.ic-card.ic-card--done {
    border-color: rgba(139, 92, 246, 0.3);
    box-shadow: 0 4px 16px rgba(139, 92, 246, 0.1);
}

.ic-card-thumb {
    width: 100%;
    height: 160px;
    object-fit: cover;
    background: #F1F5F9;
    display: block;
}

.ic-card-body {
    padding: 14px 16px;
}

.ic-card-name {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 10px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.ic-card-sizes {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
    flex-wrap: wrap;
}

.ic-card-size-original {
    font-size: 0.9375rem;
    color: var(--text-light);
}

.ic-card-arrow {
    font-size: 0.9375rem;
    color: var(--text-light);
}

.ic-card-size-compressed {
    font-size: 0.9375rem;
    font-weight: 700;
    color: #22c55e;
}

.ic-card-badge {
    font-size: 0.8125rem;
    font-weight: 700;
    background: rgba(139, 92, 246, 0.15);
    color: #8B5CF6;
    border-radius: 999px;
    padding: 2px 9px;
    margin-left: auto;
}

.ic-card-badge--worse {
    background: rgba(239, 68, 68, 0.12);
    color: #ef4444;
}

.ic-card-footer {
    display: flex;
    align-items: center;
    gap: 8px;
}

.ic-card-status {
    font-size: 0.9375rem;
    color: var(--text-light);
    flex: 1;
}

.ic-card-status.ic-status--compressing {
    color: #8B5CF6;
}

.ic-card-status.ic-status--done {
    color: #22c55e;
}

.ic-card-status.ic-status--error {
    color: #ef4444;
}

.ic-card-btn-download {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 6px 12px;
    border-radius: 7px;
    font-size: 0.9375rem;
    font-weight: 600;
    background: rgba(139, 92, 246, 0.12);
    color: #8B5CF6;
    border: 1px solid rgba(139, 92, 246, 0.3);
    cursor: pointer;
    transition: background 0.15s;
    text-decoration: none;
}

.ic-card-btn-download:hover {
    background: rgba(139, 92, 246, 0.22);
}

.ic-card-btn-download:disabled {
    opacity: 0.35;
    cursor: not-allowed;
}

/* --- Processing Spinner (on card while compressing) --------- */
.ic-spinner {
    width: 16px;
    height: 16px;
    border: 2px solid rgba(139, 92, 246, 0.2);
    border-top-color: #8B5CF6;
    border-radius: 50%;
    animation: ic-spin 0.7s linear infinite;
    display: inline-block;
    vertical-align: middle;
}

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

/* --- Responsive -------------------------------------------- */
@media (max-width: 640px) {
    .ic-upload-zone {
        padding: 40px 16px;
    }

    .ic-toolbox {
        padding: 16px;
    }

    .ic-quality-row {
        padding: 12px 14px;
        gap: 10px;
    }

    .ic-quality-value {
        font-size: 1.3rem;
    }

    .ic-quality-slider {
        width: 100%;
    }

    .ic-quality-hint {
        display: none;
    }

    .ic-quality-marks {
        display: none;
    }

    .ic-toolbox-actions {
        gap: 8px;
    }

    .ic-btn {
        padding: 8px 14px;
        font-size: 0.9375rem;
    }

    .ic-cards {
        grid-template-columns: 1fr;
    }

    .ic-summary {
        flex-wrap: wrap;
    }

    .ic-summary-item {
        flex: 1 1 48%;
        border-right: none;
        border-bottom: 1px solid rgba(139, 92, 246, 0.15);
    }

    .ic-summary-item:nth-child(odd) {
        border-right: 1px solid rgba(139, 92, 246, 0.15);
    }

    .ic-summary-item:last-child,
    .ic-summary-item:nth-last-child(2):nth-child(odd) {
        border-bottom: none;
    }
}

/* ── Compare button on card ── */
.ic-card-btn-compare {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 5px 12px;
    border: 1px solid rgba(139, 92, 246, 0.5);
    border-radius: 6px;
    background: transparent;
    color: #a78bfa;
    font-size: 0.9375rem;
    cursor: pointer;
    transition: background 0.18s, color 0.18s;
    display: none;
}

.ic-card--done .ic-card-btn-compare {
    display: inline-flex;
}

.ic-card-btn-compare:hover {
    background: rgba(139, 92, 246, 0.15);
    color: #c4b5fd;
}

/* ── Comparison modal ── */
.ic-compare-modal {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
}

.ic-compare-modal[hidden] {
    display: none;
}

.ic-compare-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.78);
    backdrop-filter: blur(4px);
}

.ic-compare-box {
    position: relative;
    z-index: 1;
    background: #1A1A2E;
    border: 1px solid #2D2D44;
    border-radius: 14px;
    max-width: 860px;
    width: 100%;
    overflow: hidden;
    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.6);
}

.ic-compare-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 18px;
    border-bottom: 1px solid #2D2D44;
}

.ic-compare-title {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--tool-text, #e2e8f0);
    flex: 1;
}

.ic-compare-sizes {
    font-size: 0.9375rem;
    color: var(--tool-text-muted, #94a3b8);
}

.ic-compare-close {
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: rgba(255, 255, 255, 0.06);
    border-radius: 6px;
    color: var(--tool-text-muted, #94a3b8);
    cursor: pointer;
    font-size: 0.9375rem;
    transition: background 0.18s;
    flex-shrink: 0;
}

.ic-compare-close:hover {
    background: rgba(255, 255, 255, 0.12);
    color: var(--tool-text, #e2e8f0);
}

.ic-compare-stage {
    position: relative;
    overflow: hidden;
    cursor: ew-resize;
    max-height: 55vh;
    background: repeating-conic-gradient(#2a2a3e 0% 25%, #1e1e32 0% 50%) 0 0 / 16px 16px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.ic-compare-img {
    display: block;
    max-width: 100%;
    max-height: 55vh;
    object-fit: contain;
    user-select: none;
    -webkit-user-drag: none;
    pointer-events: none;
}

.ic-compare-img--before {
    position: relative;
    z-index: 1;
}

.ic-compare-clip {
    position: absolute;
    top: 0;
    left: 50%;
    right: 0;
    bottom: 0;
    overflow: hidden;
    z-index: 2;
}

.ic-compare-img--after {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    max-width: none;
    max-height: none;
    object-fit: contain;
}

.ic-compare-divider {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 2px;
    background: #fff;
    z-index: 3;
    transform: translateX(-50%);
    cursor: ew-resize;
}

.ic-compare-handle {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 36px;
    height: 36px;
    background: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #1A1A2E;
    font-size: 0.9375rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
}

.ic-compare-badge {
    position: absolute;
    bottom: 10px;
    background: rgba(0, 0, 0, 0.55);
    color: #fff;
    font-size: 0.8125rem;
    padding: 3px 8px;
    border-radius: 4px;
    pointer-events: none;
    z-index: 4;
}

.ic-compare-badge--left {
    left: 10px;
}

.ic-compare-badge--right {
    right: 10px;
}

.ic-compare-hint {
    text-align: center;
    font-size: 0.8125rem;
    color: var(--tool-text-muted, #94a3b8);
    padding: 10px;
    margin: 0;
}