/* Image Upscaler — Lanczos resampling + optional AI, browser-based
-------------------------------------- */

.imen-page {
    --imen-accent: #fd79a8;
    --imen-accent-dark: #e84393;
    --imen-accent-darker: #b83280;
    --imen-accent-light: color-mix(in srgb, #fd79a8 12%, transparent);
    --imen-accent-bg: #fff0f6;
    --imen-border: var(--flex-gray-15, rgba(0, 0, 0, 0.08));
    --imen-surface: var(--solid-white, #fff);
    --imen-transition: var(--effect, 0.25s ease);
    position: relative;
    padding: 36px 0 80px;
}

/* Hero
-------------------------------------- */

.imen-hero {
    max-width: 860px;
    margin: 0 auto;
    padding: 18px 0 32px;
    text-align: center;
}

.imen-title {
    margin-bottom: 14px;
    font-size: clamp(1.7rem, 4vw, 2.5rem);
    line-height: 1.1;
    letter-spacing: -0.02em;
}

.imen-subtitle {
    max-width: 700px;
    margin: 0 auto 20px;
    font-size: clamp(0.95rem, 1.6vw, 1.05rem);
    line-height: 1.65;
    color: var(--excerpt-color);
}

.imen-hero-badges {
    display: inline-flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
}

.imen-badge {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 7px 16px;
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--imen-accent-darker);
    background: var(--imen-accent-light);
    border: 1px solid color-mix(in srgb, #fd79a8 30%, transparent);
    border-radius: 40px;
}

.imen-badge svg {
    width: 14px;
    height: 14px;
    flex-shrink: 0;
}

/* Card
-------------------------------------- */

.imen-tool-section {
    max-width: 920px;
    margin: 0 auto 28px;
}

.imen-card {
    border: 1px solid #ddd;
    border-radius: 18px;
    background: var(--imen-surface);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.03), 0 6px 24px rgba(0, 0, 0, 0.07);
    padding: 36px;
    min-height: 420px;
}

/* Dropzone
-------------------------------------- */

.imen-dropzone {
    position: relative;
    border: 2.5px dashed color-mix(in srgb, #fd79a8 35%, transparent);
    border-radius: 14px;
    background: var(--imen-accent-bg);
    padding: 56px 20px;
    text-align: center;
    transition: var(--imen-transition);
    cursor: pointer;
}

.imen-dropzone:hover,
.imen-dropzone.imen-dropzone-hover {
    border-color: var(--imen-accent-dark);
    background: color-mix(in srgb, #fd79a8 10%, white);
    transform: scale(1.005);
}

.imen-dropzone-icon {
    display: inline-flex;
    width: 64px;
    height: 64px;
    margin-bottom: 14px;
    color: var(--imen-accent-darker);
}

.imen-dropzone-icon svg {
    width: 100%;
    height: 100%;
}

.imen-dropzone-title {
    margin: 0 0 6px;
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--imen-accent-darker);
}

.imen-dropzone-hint {
    margin: 0 0 20px;
    font-size: 0.88rem;
    color: var(--excerpt-color);
}

/* Buttons
-------------------------------------- */

.imen-btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    padding: 12px 26px;
    font-size: 0.92rem;
    font-weight: 700;
    color: #fff;
    background: var(--imen-accent-dark);
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: var(--imen-transition);
}

.imen-btn-primary:hover {
    background: var(--imen-accent-darker);
    transform: translateY(-1px);
}

.imen-btn-primary svg {
    width: 16px;
    height: 16px;
}

.imen-btn-primary.imen-btn-lg {
    padding: 15px 36px;
    font-size: 1.05rem;
}

.imen-btn-ghost {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 11px 22px;
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--imen-accent-darker);
    background: var(--imen-accent-bg);
    border: 1.5px solid color-mix(in srgb, #fd79a8 25%, transparent);
    border-radius: 12px;
    cursor: pointer;
    transition: var(--imen-transition);
}

.imen-btn-ghost:hover {
    background: var(--imen-accent-light);
    border-color: var(--imen-accent-dark);
}

.imen-btn-text {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 10px;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--imen-accent-darker);
    background: transparent;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--imen-transition);
}

.imen-btn-text:hover {
    background: var(--imen-accent-light);
}

.imen-btn-text svg {
    width: 14px;
    height: 14px;
}

/* Queue
-------------------------------------- */

.imen-queue-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 14px;
}

.imen-queue-title {
    margin: 0;
    font-size: 1rem;
    font-weight: 700;
    color: var(--imen-accent-darker);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.imen-queue-count {
    display: inline-block;
    margin-left: 6px;
    padding: 2px 10px;
    font-size: 0.78rem;
    background: var(--imen-accent-light);
    border-radius: 20px;
}

.imen-queue-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 24px;
    max-height: 280px;
    overflow-y: auto;
    padding-right: 4px;
}

.imen-queue-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 12px;
    background: var(--imen-accent-bg);
    border: 1px solid color-mix(in srgb, #fd79a8 20%, transparent);
    border-radius: 10px;
}

.imen-queue-item-thumb {
    width: 48px;
    height: 48px;
    border-radius: 8px;
    object-fit: cover;
    flex-shrink: 0;
    background: #eee;
}

.imen-queue-item-info {
    flex: 1;
    min-width: 0;
}

.imen-queue-item-name {
    display: block;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--headline-fcolor, #222);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.imen-queue-item-meta {
    display: block;
    font-size: 0.76rem;
    color: var(--excerpt-color);
    margin-top: 2px;
}

.imen-queue-item-remove {
    width: 30px;
    height: 30px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    color: var(--imen-accent-darker);
    background: transparent;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    flex-shrink: 0;
}

.imen-queue-item-remove:hover {
    background: rgba(0, 0, 0, 0.06);
}

.imen-queue-item-remove svg {
    width: 16px;
    height: 16px;
}

/* Options
-------------------------------------- */

.imen-options {
    display: flex;
    flex-direction: column;
    gap: 22px;
    padding: 22px;
    margin-bottom: 24px;
    background: var(--imen-accent-bg);
    border: 1px solid color-mix(in srgb, #fd79a8 20%, transparent);
    border-radius: 14px;
}

.imen-option-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.imen-option-label {
    font-size: 0.82rem;
    font-weight: 700;
    color: var(--imen-accent-darker);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.imen-segment-group {
    display: grid;
    gap: 8px;
    grid-template-columns: repeat(4, 1fr);
}

.imen-segment-format {
    grid-template-columns: repeat(3, 1fr);
}

.imen-segment-engine {
    grid-template-columns: repeat(2, 1fr);
}

.imen-segment.imen-scale-disabled {
    opacity: 0.4;
    pointer-events: none;
}

.imen-experimental {
    display: inline-block;
    margin-left: 4px;
    padding: 1px 6px;
    font-size: 0.55rem;
    font-weight: 800;
    color: #fff;
    background: #b83280;
    border-radius: 3px;
    letter-spacing: 0.04em;
    vertical-align: middle;
}

.imen-segment input:checked + .imen-segment-btn .imen-experimental {
    background: rgba(255, 255, 255, 0.25);
    color: #fff;
}

.imen-engine-hint {
    margin: 4px 0 0;
    font-size: 0.78rem;
    line-height: 1.55;
    color: var(--excerpt-color);
    font-style: italic;
}

.imen-engine-hint strong {
    color: var(--imen-accent-darker);
    font-style: normal;
    font-weight: 700;
}

/* Modal
-------------------------------------- */

.imen-modal {
    position: fixed;
    inset: 0;
    z-index: 100050;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.imen-modal-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.55);
    backdrop-filter: blur(2px);
}

.imen-modal-card {
    position: relative;
    max-width: 480px;
    width: 100%;
    padding: 28px 28px 22px;
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
    animation: imenModalIn 0.25s ease;
}

@keyframes imenModalIn {
    from { opacity: 0; transform: translateY(20px); }
    to   { opacity: 1; transform: translateY(0); }
}

.imen-modal-title {
    margin: 0 0 12px;
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--imen-accent-darker);
}

.imen-modal-body {
    margin: 0 0 20px;
    font-size: 0.92rem;
    line-height: 1.6;
    color: var(--body-fcolor, #444);
}

.imen-modal-body p {
    margin: 0 0 10px;
}

.imen-modal-body p:last-child {
    margin: 0;
}

.imen-modal-body strong {
    color: var(--imen-accent-darker);
}

.imen-modal-actions {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
    flex-wrap: wrap;
}

.imen-segment {
    cursor: pointer;
}

.imen-segment input[type="radio"] {
    display: none;
}

.imen-segment-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 3px;
    padding: 14px 12px;
    background: #fff;
    border: 2px solid color-mix(in srgb, #fd79a8 18%, transparent);
    border-radius: 10px;
    transition: var(--imen-transition);
    text-align: center;
    user-select: none;
}

.imen-segment-btn strong {
    font-size: 1rem;
    color: var(--imen-accent-darker);
    font-weight: 800;
}

.imen-segment-btn small {
    font-size: 0.7rem;
    color: var(--excerpt-color);
}

.imen-segment input:checked + .imen-segment-btn {
    background: var(--imen-accent-dark);
    border-color: var(--imen-accent-dark);
}

.imen-segment input:checked + .imen-segment-btn strong,
.imen-segment input:checked + .imen-segment-btn small {
    color: #fff;
}

.imen-segment-btn:hover {
    border-color: var(--imen-accent-dark);
}

.imen-action-row {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    justify-content: center;
}

/* Processing
-------------------------------------- */

.imen-processing-inner {
    padding: 50px 20px;
    text-align: center;
}

.imen-spinner {
    width: 56px;
    height: 56px;
    margin: 0 auto 24px;
    border: 4px solid var(--imen-accent-bg);
    border-top-color: var(--imen-accent-dark);
    border-radius: 50%;
    animation: imenSpin 1s linear infinite;
}

@keyframes imenSpin {
    to { transform: rotate(360deg); }
}

.imen-processing-title {
    margin: 0 0 8px;
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--imen-accent-darker);
}

.imen-processing-detail {
    margin: 0 auto 24px;
    max-width: 500px;
    font-size: 0.9rem;
    color: var(--excerpt-color);
    line-height: 1.55;
}

.imen-progress-bar {
    max-width: 500px;
    margin: 0 auto;
    height: 12px;
    background: var(--imen-accent-bg);
    border-radius: 6px;
    overflow: hidden;
}

.imen-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--imen-accent), var(--imen-accent-dark));
    border-radius: 6px;
    transition: width 0.2s ease;
}

.imen-progress-stats {
    display: flex;
    justify-content: space-between;
    max-width: 500px;
    margin: 12px auto 0;
    font-size: 0.84rem;
    font-weight: 700;
    color: var(--imen-accent-darker);
}

/* Results
-------------------------------------- */

.imen-results-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    margin-bottom: 22px;
}

.imen-results-title {
    margin: 0;
    font-size: 1.15rem;
    font-weight: 800;
    color: var(--imen-accent-darker);
}

.imen-results-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.imen-results-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.imen-result-item {
    background: var(--imen-accent-bg);
    border: 1px solid color-mix(in srgb, #fd79a8 20%, transparent);
    border-radius: 14px;
    overflow: hidden;
}

.imen-result-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 18px;
    background: #fff;
    border-bottom: 1px solid color-mix(in srgb, #fd79a8 15%, transparent);
    gap: 12px;
    flex-wrap: wrap;
}

.imen-result-name {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--headline-fcolor, #222);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    flex: 1;
    min-width: 0;
}

.imen-result-stats {
    font-size: 0.78rem;
    color: var(--excerpt-color);
    font-weight: 600;
}

.imen-result-stats strong {
    color: var(--imen-accent-darker);
    font-weight: 700;
}

.imen-result-download {
    padding: 7px 16px;
    font-size: 0.82rem;
    font-weight: 700;
    color: #fff;
    background: var(--imen-accent-dark);
    border: none;
    border-radius: 8px;
    cursor: pointer;
    flex-shrink: 0;
}

.imen-result-download:hover {
    background: var(--imen-accent-darker);
}

/* Before/after slider
-------------------------------------- */

.imen-compare {
    position: relative;
    user-select: none;
    overflow: hidden;
    background: #1a1a1a;
}

.imen-compare-img-wrap {
    position: relative;
    display: block;
    width: 100%;
    overflow: hidden;
}

.imen-compare-img {
    display: block;
    width: 100%;
    height: auto;
    max-height: 480px;
    object-fit: contain;
    background: #1a1a1a;
}

.imen-compare-before {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    clip-path: inset(0 50% 0 0);
}

.imen-compare-before img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: contain;
    background: #1a1a1a;
}

.imen-compare-handle {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%;
    width: 3px;
    background: #fff;
    transform: translateX(-50%);
    pointer-events: none;
    box-shadow: 0 0 8px rgba(0, 0, 0, 0.4);
}

.imen-compare-handle::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 38px;
    height: 38px;
    background: #fff url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23e84393' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='15 18 9 12 15 6'/%3E%3Cpolyline points='9 18 3 12 9 6' transform='translate(12,0)'/%3E%3C/svg%3E") center/22px no-repeat;
    border-radius: 50%;
    transform: translate(-50%, -50%);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
}

.imen-compare-label {
    position: absolute;
    top: 12px;
    padding: 4px 10px;
    font-size: 0.72rem;
    font-weight: 700;
    color: #fff;
    background: rgba(0, 0, 0, 0.65);
    border-radius: 20px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    pointer-events: none;
    z-index: 2;
}

.imen-compare-label-before { left: 12px; }
.imen-compare-label-after { right: 12px; }

.imen-compare-range {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: ew-resize;
    margin: 0;
}

/* SEO Content & FAQ
-------------------------------------- */

.imen-seo-content {
    margin-top: 54px;
    padding-top: 36px;
    border-top: 1px solid var(--imen-border);
}

.imen-faq {
    margin-top: 54px;
    padding-top: 36px;
    border-top: 1px solid var(--imen-border);
}

.imen-faq-inner {
    padding: 0;
}

.imen-faq-label {
    display: inline-block;
    margin-bottom: 6px;
    padding: 3px 12px;
    font-family: var(--meta-family);
    font-size: var(--meta-fsize);
    font-weight: var(--meta-b-fweight, 600);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--imen-accent-darker);
    background: var(--imen-accent-light);
    border-radius: 20px;
}

.imen-faq-title {
    margin-bottom: 24px;
    font-size: clamp(1.5rem, 2.5vw, 2rem);
}

.imen-faq-item {
    border-bottom: 1px solid var(--imen-border);
}

.imen-faq-item:last-child {
    border-bottom: none;
}

.imen-faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 18px 0;
    text-align: left;
    color: inherit;
    border: 0;
    background: transparent;
    box-shadow: none;
    gap: 20px;
    cursor: pointer;
}

.imen-faq-question:hover,
.imen-faq-question:focus {
    color: var(--imen-accent-darker);
    background: transparent;
    box-shadow: none;
}

.imen-faq-question-text {
    font-family: var(--h4-family);
    font-size: clamp(1rem, 2vw, 1.125rem);
    font-weight: var(--h4-fweight, 700);
    line-height: 1.45;
}

.imen-faq-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
    flex: 0 0 34px;
    color: var(--imen-accent-darker);
    border: 1px solid var(--imen-border);
    border-radius: 50%;
    background: var(--imen-accent-light);
    transition: var(--imen-transition);
}

.imen-faq-toggle svg {
    width: 14px;
    height: 14px;
    transition: transform 0.2s ease;
}

.imen-faq-item.imen-faq-open .imen-faq-toggle svg {
    transform: rotate(180deg);
}

.imen-faq-answer {
    display: none;
    padding-bottom: 18px;
}

.imen-faq-item.imen-faq-open .imen-faq-answer {
    display: block;
}

.imen-faq-item:first-child:not(.imen-faq-touched) .imen-faq-answer {
    display: block;
}

.imen-faq-item:first-child:not(.imen-faq-touched) .imen-faq-toggle svg {
    transform: rotate(180deg);
}

.imen-faq-answer-inner {
    max-width: 840px;
    color: var(--excerpt-color);
    line-height: 1.7;
    font-size: 0.95rem;
}

.imen-faq-answer-inner p {
    margin: 0;
}

/* Toast
-------------------------------------- */

.imen-toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 100000;
    display: flex;
    flex-direction: column;
    gap: 8px;
    pointer-events: none;
}

.imen-toast {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 20px;
    font-size: 0.9rem;
    font-weight: 600;
    color: #fff;
    background: var(--dark-accent, #191c20);
    border-radius: 8px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
    pointer-events: auto;
    animation: imenToastIn 0.3s ease;
}

.imen-toast-error {
    background: #c0392b;
}

.imen-toast.imen-toast-out {
    animation: imenToastOut 0.25s ease forwards;
}

@keyframes imenToastIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes imenToastOut {
    to { opacity: 0; transform: translateY(10px); }
}

/* Responsive
-------------------------------------- */

@media (max-width: 767px) {
    .imen-page {
        padding: 18px 0 56px;
    }

    .imen-hero {
        padding: 20px 0 24px;
    }

    .imen-card {
        padding: 22px 16px;
    }

    .imen-dropzone {
        padding: 40px 16px;
    }

    .imen-dropzone-icon {
        width: 52px;
        height: 52px;
    }

    .imen-segment-group {
        grid-template-columns: repeat(2, 1fr);
    }

    .imen-segment-format {
        grid-template-columns: repeat(3, 1fr);
    }

    .imen-results-header {
        flex-direction: column;
        align-items: stretch;
    }

    .imen-results-actions {
        justify-content: flex-start;
    }

    .imen-seo-content,
    .imen-faq {
        margin-top: 42px;
    }

    .imen-toast-container {
        bottom: 12px;
        right: 12px;
        left: 12px;
    }
}