:root {
    color-scheme: dark;
    --fl-bg: var(--bg-base);
    --fl-card: var(--bg-surface);
    --fl-card-2: var(--bg-raised);
    --fl-border: var(--border);
    --fl-primary: var(--accent);
    --fl-secondary: var(--accent-2);
    --fl-text: var(--text-primary);
    --fl-muted: var(--text-secondary);
    --fl-success: var(--success);
    --fl-warning: #d7b36a;
    --fl-error: #e77979;
    --fl-shadow: var(--shadow-lg);
}

* {
    box-sizing: border-box;
}

html {
    min-height: 100%;
    background: var(--bg-base);
}

body.fl-shell {
    min-height: 100vh;
    margin: 0;
    background: var(--bg-base);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.5;
}

.fl-secondary {
    min-height: 42px;
    padding: 0 14px;
    border: 1px solid var(--fl-border);
    border-radius: 8px;
    background: var(--fl-card);
    color: var(--fl-text);
    font: inherit;
    font-weight: 800;
    cursor: pointer;
}

.fl-page {
    width: 100%;
    max-width: var(--df-content-max);
    margin: 0 auto;
    padding: 42px 24px 72px;
}

.fl-hero {
    max-width: 920px;
    margin-bottom: 28px;
}

.fl-eyebrow {
    margin: 0 0 10px;
    color: var(--fl-secondary);
    font-size: 14px;
    font-weight: 900;
    text-transform: uppercase;
}

.fl-hero h1 {
    margin: 0;
    font-size: clamp(32px, 5vw, 48px);
    line-height: 1.04;
    letter-spacing: 0;
}

.fl-hero p:last-child {
    max-width: 760px;
    margin: 16px 0 0;
    color: var(--fl-muted);
    font-size: 20px;
}

.fl-live {
    position: fixed;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
}

.fl-drop-panel {
    display: grid;
    gap: 14px;
}

.fl-file-input {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
}

.fl-dropzone {
    display: grid;
    place-items: center;
    min-height: 320px;
    width: 100%;
    padding: 32px;
    border: 2px dashed color-mix(in srgb, var(--fl-primary) 55%, var(--fl-border));
    border-radius: 16px;
    background: linear-gradient(180deg, color-mix(in srgb, var(--fl-card) 94%, var(--fl-primary)), var(--fl-card));
    box-shadow: var(--fl-shadow);
    color: var(--fl-text);
    cursor: pointer;
    transition: transform 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

.fl-dropzone.is-active {
    transform: translateY(-2px);
    border-color: var(--fl-secondary);
    background: color-mix(in srgb, var(--fl-card) 85%, var(--fl-secondary));
}

.fl-drop-icon {
    color: var(--fl-primary);
    animation: fl-float 2.6s ease-in-out infinite;
}

.fl-dropzone span {
    margin-top: 14px;
    font-size: 24px;
    font-weight: 900;
    text-align: center;
}

.fl-dropzone small {
    max-width: 560px;
    margin-top: 8px;
    color: var(--fl-muted);
    text-align: center;
}

.fl-error {
    padding: 14px 16px;
    border: 1px solid color-mix(in srgb, var(--fl-error) 50%, var(--fl-border));
    border-radius: 10px;
    background: color-mix(in srgb, var(--fl-error) 14%, var(--fl-card));
    color: var(--fl-text);
    font-weight: 800;
}

.fl-workspace {
    display: grid;
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    gap: 22px;
    align-items: start;
    margin-top: 24px;
}

.fl-left,
.fl-right {
    display: grid;
    gap: 18px;
}

.fl-card {
    border: 1px solid var(--fl-border);
    border-radius: 14px;
    background: var(--fl-card);
    box-shadow: var(--fl-shadow);
    padding: 18px;
}

.fl-card h2 {
    margin: 0 0 14px;
    font-size: 20px;
}

.fl-card h3 {
    margin: 0;
    font-size: 16px;
}

.fl-dl {
    display: grid;
    gap: 10px;
    margin: 0;
}

.fl-dl div {
    display: grid;
    grid-template-columns: minmax(130px, 0.7fr) minmax(0, 1fr);
    gap: 12px;
    padding: 10px 0;
    border-bottom: 1px solid var(--fl-border);
}

.fl-dl div:last-child {
    border-bottom: 0;
}

.fl-dl dt {
    color: var(--fl-muted);
}

.fl-dl dd {
    margin: 0;
    color: var(--fl-text);
    font-weight: 800;
}

.fl-privacy-badge {
    margin-top: 14px;
    padding: 12px;
    border-radius: 10px;
    background: color-mix(in srgb, var(--fl-secondary) 12%, var(--fl-card-2));
    color: var(--fl-secondary);
    font-size: 14px;
    font-weight: 800;
}

.fl-format-grid,
.fl-ratio-grid,
.fl-platform-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
}

.fl-format-card,
.fl-ratio-card,
.fl-platform-card,
.fl-operation-choice button,
.fl-align-row button,
.fl-tabs button,
.fl-custom-ratio button {
    border: 1px solid var(--fl-border);
    border-radius: 10px;
    background: var(--fl-card-2);
    color: var(--fl-text);
    font: inherit;
    cursor: pointer;
    transition: transform 0.16s ease, border-color 0.16s ease, background 0.16s ease;
}

.fl-format-card,
.fl-ratio-card,
.fl-platform-card {
    display: grid;
    gap: 6px;
    min-height: 96px;
    padding: 12px;
    text-align: left;
}

.fl-format-card:hover,
.fl-ratio-card:hover,
.fl-platform-card:hover,
.fl-operation-choice button:hover,
.fl-align-row button:hover,
.fl-tabs button:hover {
    transform: translateY(-2px);
    border-color: var(--fl-primary);
}

.fl-format-card.is-active,
.fl-ratio-card.is-active,
.fl-platform-card.is-active,
.fl-tabs button.is-active {
    border-color: var(--fl-primary);
    background: color-mix(in srgb, var(--fl-primary) 18%, var(--fl-card-2));
}

.fl-format-card strong,
.fl-ratio-card strong,
.fl-platform-card strong {
    font-size: 16px;
}

.fl-format-card span,
.fl-ratio-card span,
.fl-platform-card span {
    color: var(--fl-muted);
    font-size: 12px;
}

.fl-badge {
    display: inline-flex;
    width: fit-content;
    align-items: center;
    min-height: 22px;
    padding: 0 8px;
    border-radius: 999px;
    background: color-mix(in srgb, var(--fl-secondary) 18%, var(--fl-card));
    color: var(--fl-secondary);
    font-size: 12px;
    font-weight: 900;
}

.fl-ratio-icon {
    display: grid;
    place-items: center;
    width: 42px;
    height: 42px;
}

.fl-ratio-icon em {
    display: block;
    max-width: 38px;
    max-height: 38px;
    min-width: 12px;
    min-height: 12px;
    border: 2px solid var(--fl-primary);
    border-radius: 5px;
    background: color-mix(in srgb, var(--fl-primary) 18%, transparent);
}

.fl-quality,
.fl-custom-ratio,
.fl-bg-solid,
.fl-bg-image {
    display: grid;
    gap: 12px;
    margin-top: 14px;
}

.fl-quality label,
.fl-bg-solid label,
.fl-bg-image label,
.fl-margin-control,
.fl-custom-ratio label {
    display: grid;
    gap: 8px;
    color: var(--fl-text);
    font-weight: 800;
}

.fl-quality input[type="range"],
.fl-bg-image input[type="range"],
.fl-margin-control input[type="range"],
.fl-compare input[type="range"] {
    width: 100%;
    min-height: 44px;
    accent-color: var(--fl-primary);
}

.fl-quality p,
.fl-platforms p,
.fl-decision p,
.fl-crop-stage + .fl-align-row + p,
.fl-result-meta {
    margin: 0;
    color: var(--fl-muted);
}

.fl-custom-ratio {
    grid-template-columns: 1fr 1fr auto;
    align-items: end;
}

.fl-custom-ratio input,
.fl-bg-solid input[type="text"] {
    min-height: 44px;
    width: 100%;
    border: 1px solid var(--fl-border);
    border-radius: 8px;
    background: var(--fl-card-2);
    color: var(--fl-text);
    padding: 0 12px;
    font: inherit;
}

.fl-original-preview {
    display: block;
    width: 100%;
    max-height: 560px;
    object-fit: contain;
    border-radius: 14px;
    background: var(--fl-card-2);
    box-shadow: 0 18px 44px rgba(0, 0, 0, 0.28);
}

.fl-aspect-indicator {
    display: grid;
    place-items: center;
    min-height: 70px;
    margin-top: 14px;
    border: 1px solid var(--fl-border);
    border-radius: 10px;
    background: var(--fl-card-2);
}

.fl-aspect-indicator span {
    display: block;
    border: 2px solid var(--fl-secondary);
    border-radius: 6px;
    background: color-mix(in srgb, var(--fl-secondary) 15%, transparent);
}

.fl-palette,
.fl-quick-colors {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 14px;
}

.fl-swatch {
    display: inline-flex;
    align-items: end;
    justify-content: center;
    width: 74px;
    height: 48px;
    border: 1px solid var(--fl-border);
    border-radius: 10px;
    overflow: hidden;
    color: #f5f5f7;
    font-size: 11px;
    font-weight: 900;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.6);
    cursor: pointer;
}

.fl-decision {
    border-color: color-mix(in srgb, var(--fl-warning) 38%, var(--fl-border));
}

.fl-operation-choice {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-top: 14px;
}

.fl-operation-choice button,
.fl-align-row button,
.fl-tabs button,
.fl-custom-ratio button {
    min-height: 44px;
    padding: 0 12px;
    font-weight: 900;
}

.fl-editor {
    display: grid;
    gap: 14px;
}

.fl-crop-stage {
    position: relative;
    overflow: hidden;
    border: 1px solid var(--fl-border);
    border-radius: 12px;
    background: #050505;
    outline: none;
}

.fl-crop-stage:focus {
    border-color: var(--fl-secondary);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--fl-secondary) 22%, transparent);
}

.fl-crop-stage canvas,
.fl-compare canvas {
    display: block;
    width: 100%;
    height: auto;
}

.fl-crop-box {
    position: absolute;
    border: 2px solid var(--fl-secondary);
    background: rgba(0, 212, 170, 0.1);
    box-shadow: 0 0 0 9999px rgba(0, 0, 0, 0.58), 0 0 22px rgba(0, 212, 170, 0.55);
    cursor: move;
}

.fl-crop-box span {
    position: absolute;
    width: 14px;
    height: 14px;
    border: 2px solid var(--fl-secondary);
    border-radius: 50%;
    background: var(--fl-card);
}

.fl-crop-box span:nth-child(1) { top: -8px; left: -8px; }
.fl-crop-box span:nth-child(2) { top: -8px; right: -8px; }
.fl-crop-box span:nth-child(3) { bottom: -8px; left: -8px; }
.fl-crop-box span:nth-child(4) { bottom: -8px; right: -8px; }

.fl-align-row,
.fl-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.fl-bg-solid {
    grid-template-columns: 1fr minmax(120px, 0.35fr);
    align-items: end;
}

.fl-bg-solid input[type="color"] {
    min-height: 48px;
    width: 100%;
    border: 1px solid var(--fl-border);
    border-radius: 8px;
    background: transparent;
}

.fl-final {
    display: grid;
    gap: 14px;
}

.fl-progress {
    position: relative;
    height: 30px;
    overflow: hidden;
    border: 1px solid var(--fl-border);
    border-radius: 999px;
    background: var(--fl-card-2);
}

.fl-progress span {
    display: block;
    width: 0;
    height: 100%;
    background: linear-gradient(90deg, var(--fl-primary), var(--fl-secondary));
    transition: width 0.16s ease;
}

.fl-progress em {
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    font-style: normal;
    font-weight: 900;
}

.fl-compare {
    position: relative;
    overflow: hidden;
    border: 1px solid var(--fl-border);
    border-radius: 12px;
    background: #050505;
}

.fl-compare img {
    position: absolute;
    inset: 0;
    width: 50%;
    height: 100%;
    object-fit: contain;
    object-position: left center;
    background: #050505;
}

.fl-compare input {
    position: absolute;
    left: 16px;
    right: 16px;
    bottom: 12px;
    width: calc(100% - 32px);
}

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

.fl-download {
    min-height: 50px;
    padding: 0 18px;
    border: 0;
    border-radius: 10px;
    background: var(--fl-primary);
    color: var(--text-on-accent);
    font: inherit;
    font-weight: 900;
    cursor: pointer;
}

.fl-download:disabled,
.fl-secondary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.fl-history {
    font-size: 14px;
}

.fl-history button {
    width: 100%;
    margin-top: 8px;
    min-height: 38px;
    border: 1px solid var(--fl-border);
    border-radius: 8px;
    background: var(--fl-card-2);
    color: var(--fl-text);
    font: inherit;
    cursor: pointer;
}

@keyframes fl-float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
    }
}

@media (max-width: 900px) {
    .fl-workspace {
        grid-template-columns: 1fr;
    }

    .fl-format-grid,
    .fl-ratio-grid,
    .fl-platform-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

@media (max-width: 640px) {
    .fl-actions,
    .fl-operation-choice,
    .fl-bg-solid,
    .fl-custom-ratio {
        grid-template-columns: 1fr;
        flex-direction: column;
        align-items: stretch;
    }

    .fl-format-grid,
    .fl-ratio-grid,
    .fl-platform-grid {
        grid-template-columns: 1fr;
    }

    .fl-dropzone {
        min-height: 240px;
        padding: 24px 18px;
    }

    .fl-dropzone span {
        font-size: 20px;
    }

    .fl-dl div {
        grid-template-columns: 1fr;
        gap: 4px;
    }
}