/* Compress ICO (rebuilt 2026-10-09) - every class prefixed icz-, light default, dark via [data-theme="dark"] */
.icz {
    --icz-accent: #3399cc;
    --icz-accent-soft: rgba(51, 153, 204, 0.10);
    --icz-accent-line: rgba(51, 153, 204, 0.45);
    --icz-good: #339966;
    --icz-good-soft: rgba(51, 153, 102, 0.12);
    --icz-warn: #b45309;
    --icz-warn-soft: #fff7e6;
    --icz-err: #c0392b;
    --icz-card: var(--bg-elevated, #fff);
    --icz-sunk: var(--card-tertiary, #f1f5f9);
    --icz-line: var(--border-color, #e0e0e0);
    --icz-text: var(--text-primary, #333);
    --icz-muted: var(--text-muted, #666);
    --icz-checker: var(--checker-color, #e5e7eb);
}
[data-theme="dark"] .icz {
    --icz-accent: #60a5fa;
    --icz-accent-soft: rgba(96, 165, 250, 0.14);
    --icz-accent-line: rgba(96, 165, 250, 0.5);
    --icz-good: #4ade80;
    --icz-good-soft: rgba(74, 222, 128, 0.14);
    --icz-warn: #fbbf24;
    --icz-warn-soft: rgba(251, 191, 36, 0.10);
    --icz-err: #f87171;
    --icz-sunk: #172033;
}
.icz [hidden] { display: none !important; }
.icz .tool-description { max-width: 800px; }
.icz .icz-title-icon { width: 56px; height: 56px; border-radius: 14px; background: var(--icz-accent); color: #fff; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.icz .icz-title-icon svg { width: 28px; height: 28px; }
.icz .icz-main { max-width: 1100px; margin: 0 auto; }
.icz .icz-card { background: var(--icz-card); border: 1px solid var(--icz-line); border-radius: 20px; padding: 1.25rem; margin-bottom: 1rem; }
.icz .icz-editor { background: var(--icz-sunk); }

/* upload */
.icz .icz-drop { display: flex; flex-direction: column; align-items: center; gap: 0.5rem; padding: 2.5rem 1rem; border: 2px dashed var(--icz-accent-line); border-radius: 16px; background: var(--icz-accent-soft); cursor: pointer; text-align: center; transition: border-color 0.15s, background-color 0.15s; }
.icz .icz-drop:hover, .icz .icz-drop.is-drag { border-color: var(--icz-accent); }
.icz .icz-drop:focus-visible { outline: 2px solid var(--icz-accent); outline-offset: 3px; }
.icz .icz-drop-icon { width: 64px; height: 64px; border-radius: 16px; background: var(--icz-accent); color: #fff; display: flex; align-items: center; justify-content: center; }
.icz .icz-drop-icon svg { width: 30px; height: 30px; }
.icz .icz-drop-title { font-size: 1.15rem; color: var(--icz-text); }
.icz .icz-drop-title span { color: var(--icz-accent); text-decoration: underline; }
.icz .icz-drop-sub { font-size: 0.875rem; color: var(--icz-muted); }
.icz .icz-under { display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem; margin-top: 0.9rem; }
.icz .icz-pill { display: inline-flex; align-items: center; gap: 0.35rem; padding: 0.3rem 0.7rem; border: 1px solid var(--icz-line); border-radius: 999px; font-size: 0.78rem; font-weight: 600; color: var(--icz-muted); background: var(--icz-card); }
.icz .icz-pill svg { width: 14px; height: 14px; color: var(--icz-good); }
.icz .icz-link { margin-left: auto; display: inline-flex; align-items: center; gap: 0.35rem; border: none; background: none; color: var(--icz-accent); font: inherit; font-size: 0.875rem; font-weight: 600; cursor: pointer; padding: 0.3rem; }
.icz .icz-link svg { width: 15px; height: 15px; }
.icz .icz-link:hover { text-decoration: underline; }
.icz .icz-reading { display: flex; align-items: center; gap: 0.75rem; justify-content: center; padding: 0.8rem; color: var(--icz-muted); font-size: 0.9rem; }

/* ring logo loader */
.icz .icz-loader { display: block; width: 32px; height: 32px; overflow: visible; flex-shrink: 0;
    --cico-outer: #f2534e; --cico-outer-soft: #f8d3d1; --cico-mid: #31ae77; --cico-mid-soft: #d0e7dd; --cico-inner: #2b9edb; }
[data-theme="dark"] .icz .icz-loader { --cico-outer-soft: rgba(242, 83, 78, 0.22); --cico-mid-soft: rgba(49, 174, 119, 0.22); }
.icz .icz-loader circle { fill: none; stroke-width: 72; transform-box: fill-box; transform-origin: center; }
.icz .icz-loader .bp { stroke: var(--cico-outer-soft); }
.icz .icz-loader .gp { stroke: var(--cico-mid-soft); }
.icz .icz-loader .b { stroke: var(--cico-outer); stroke-linecap: round; stroke-dasharray: 35.3 100; animation: iczSpinL 1.3s linear infinite; }
.icz .icz-loader .g { stroke: var(--cico-mid); stroke-linecap: round; stroke-dasharray: 75.8 100; animation: iczSpinR 2.1s linear infinite; }
.icz .icz-loader .r { stroke: var(--cico-inner); animation: iczBreathe 1.3s ease-in-out infinite; }
@keyframes iczSpinL { from { transform: rotate(117deg); } to { transform: rotate(-243deg); } }
@keyframes iczSpinR { from { transform: rotate(36deg); } to { transform: rotate(396deg); } }
@keyframes iczBreathe { 50% { transform: scale(0.9); } }
@media (prefers-reduced-motion: reduce) { .icz .icz-loader .b { animation-duration: 4s; } .icz .icz-loader .g { animation-duration: 6s; } .icz .icz-loader .r { animation: none; } }

/* editor */
.icz .icz-grid { display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr); gap: 1rem; align-items: start; }
.icz .icz-col { min-width: 0; }
.icz .icz-col-head { display: flex; align-items: center; gap: 0.6rem; margin-bottom: 0.6rem; }
.icz .icz-col-head .icz-btn { margin-left: auto; }
.icz .icz-h { display: flex; align-items: center; gap: 0.45rem; margin: 0; font-weight: 700; font-size: 0.95rem; color: var(--icz-text); }
.icz .icz-h svg { width: 18px; height: 18px; color: var(--icz-accent); }
.icz .icz-busy { display: inline-flex; align-items: center; gap: 0.35rem; font-size: 0.78rem; color: var(--icz-muted); }
.icz .icz-busy .icz-loader { width: 18px; height: 18px; }
.icz .icz-list { display: flex; flex-direction: column; gap: 0.5rem; }
.icz .icz-file { background: var(--icz-card); border: 1px solid var(--icz-line); border-radius: 12px; padding: 0.6rem 0.7rem; min-width: 0; }
.icz .icz-file-head { display: flex; align-items: center; gap: 0.6rem; flex-wrap: wrap; }
.icz .icz-file-thumb { width: 40px; height: 40px; border-radius: 8px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; overflow: hidden; }
.icz .icz-file-thumb canvas { width: 32px; height: 32px; image-rendering: auto; }
.icz .icz-file-meta { display: flex; flex-direction: column; min-width: 0; flex: 1 1 160px; }
.icz .icz-file-meta strong { font-size: 0.875rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--icz-text); }
.icz .icz-file-meta span { font-size: 0.75rem; color: var(--icz-muted); }
.icz .icz-file-size { display: inline-flex; align-items: center; gap: 0.3rem; font-size: 0.85rem; font-variant-numeric: tabular-nums; color: var(--icz-muted); white-space: nowrap; }
.icz .icz-file-size svg { width: 14px; height: 14px; }
.icz .icz-file-size strong { color: var(--icz-text); }
.icz .icz-badge { font-size: 0.72rem; font-weight: 700; padding: 0.2rem 0.55rem; border-radius: 999px; background: var(--icz-sunk); color: var(--icz-muted); white-space: nowrap; }
.icz .icz-badge.is-good { background: var(--icz-good-soft); color: var(--icz-good); }
.icz .icz-badge.is-warn { background: var(--icz-warn-soft); color: var(--icz-warn); }
.icz .icz-badge.is-err { color: var(--icz-err); }
.icz .icz-icon-btn { width: 30px; height: 30px; padding: 0; border: 1px solid var(--icz-line); border-radius: 8px; background: var(--icz-card); color: var(--icz-muted); display: inline-flex; align-items: center; justify-content: center; cursor: pointer; }
.icz .icz-icon-btn:hover { color: var(--icz-accent); border-color: var(--icz-accent-line); }
.icz .icz-icon-btn svg { width: 15px; height: 15px; }
.icz .icz-table-wrap { overflow-x: auto; }
.icz .icz-table { width: 100%; border-collapse: collapse; margin-top: 0.6rem; font-size: 0.8rem; font-variant-numeric: tabular-nums; }
.icz .icz-table th, .icz .icz-table td { text-align: left; padding: 0.35rem 0.5rem; border-bottom: 1px solid var(--icz-line); color: var(--icz-text); }
.icz .icz-table th { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.04em; color: var(--icz-muted); }
.icz .icz-table tr.is-dropped td { color: var(--icz-muted); text-decoration: line-through; }
.icz .icz-table tr.is-dropped td:last-child { text-decoration: none; }
.icz .icz-note-sm { font-size: 0.65rem; font-weight: 700; text-transform: uppercase; padding: 0.05rem 0.35rem; border-radius: 6px; background: var(--icz-warn-soft); color: var(--icz-warn); }
.icz .icz-file-warn { margin: 0.5rem 0 0; font-size: 0.78rem; color: var(--icz-warn); }

/* settings (compact option rows) */
.icz .icz-settings { display: flex; flex-direction: column; gap: 0.875rem; }
.icz .icz-block { background: var(--icz-card); border: 1px solid var(--icz-line); border-radius: 12px; padding: 1rem 1.1rem; }
.icz .icz-block .icz-h { margin-bottom: 0.65rem; }
.icz .icz-seg { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 4px; padding: 4px; border-radius: 10px; background: var(--icz-sunk); border: 1px solid var(--icz-line); }
.icz .icz-seg button { display: inline-flex; align-items: center; justify-content: center; gap: 0.4rem; min-height: 40px; border: none; border-radius: 7px; background: none; color: var(--icz-muted); font: inherit; font-size: 0.875rem; font-weight: 700; cursor: pointer; }
.icz .icz-seg button svg { width: 16px; height: 16px; }
.icz .icz-seg button.is-on { background: var(--icz-card); color: var(--icz-accent); box-shadow: var(--shadow-sm, 0 1px 2px rgba(0,0,0,.08)); }
.icz .icz-hint { margin: 0.6rem 0 0; font-size: 0.8rem; line-height: 1.5; color: var(--icz-muted); }
.icz .icz-adv { background: var(--icz-card); border: 1px solid var(--icz-line); border-radius: 12px; overflow: hidden; }
.icz .icz-row + .icz-row { border-top: 1px solid var(--icz-line); }
.icz .icz-row-head { width: 100%; min-height: 52px; display: flex; align-items: center; justify-content: space-between; gap: 0.75rem; padding: 0.6rem 1rem; border: none; background: none; color: var(--icz-text); font: inherit; text-align: left; cursor: pointer; }
.icz .icz-row-head:hover { background: var(--icz-sunk); }
.icz .icz-row-left { display: flex; align-items: center; gap: 0.7rem; min-width: 0; }
.icz .icz-row-left > svg { width: 18px; height: 18px; color: var(--icz-accent); flex-shrink: 0; }
.icz .icz-row-text { display: flex; flex-direction: column; min-width: 0; }
.icz .icz-row-title { font-size: 0.925rem; font-weight: 700; }
.icz .icz-row-hint { font-size: 0.78rem; color: var(--icz-muted); line-height: 1.4; }
.icz .icz-row-right { display: flex; align-items: center; gap: 0.5rem; flex-shrink: 0; }
.icz .icz-value { font-size: 0.75rem; font-weight: 700; padding: 0.2rem 0.6rem; border-radius: 999px; background: var(--icz-accent-soft); color: var(--icz-accent); white-space: nowrap; }
.icz .icz-chevron { width: 16px; height: 16px; color: var(--icz-muted); transition: transform 0.2s; }
.icz .icz-row.open .icz-chevron { transform: rotate(180deg); }
.icz .icz-row.open .icz-row-head, .icz .icz-row.open .icz-row-body { background: var(--icz-sunk); }
.icz .icz-row-body { padding: 0.25rem 1rem 1rem; }
.icz .icz-caption { display: block; margin: 0.4rem 0 0.4rem; font-size: 0.7rem; font-weight: 700; letter-spacing: 0.04em; text-transform: uppercase; color: var(--icz-muted); }
.icz .icz-quick { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.4rem; }
.icz .icz-sizes { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 0.4rem; }
.icz .icz-chip { min-height: 36px; padding: 0.3rem 0.5rem; border: 1px solid var(--icz-line); border-radius: 9px; background: var(--icz-card); color: var(--icz-text); font: inherit; font-size: 0.8rem; font-weight: 600; cursor: pointer; }
.icz .icz-chip:hover { border-color: var(--icz-accent-line); }
.icz .icz-chip.is-on { border-color: var(--icz-accent); background: var(--icz-accent-soft); color: var(--icz-accent); }
.icz .icz-size:not(.is-on) { text-decoration: line-through; color: var(--icz-muted); }
.icz .icz-switch-row { display: flex; align-items: center; justify-content: space-between; gap: 1rem; cursor: pointer; }
.icz .icz-switch-row strong { display: block; font-size: 0.875rem; color: var(--icz-text); }
.icz .icz-switch-row small { display: block; font-size: 0.78rem; color: var(--icz-muted); line-height: 1.45; }
.icz .icz-switch-wrap { display: inline-flex; align-items: center; gap: 0.45rem; flex-shrink: 0; }
.icz .icz-switch-wrap em { font-style: normal; font-size: 0.72rem; font-weight: 700; color: var(--icz-muted); min-width: 24px; }
.tool-container.icz input[type="checkbox"].icz-switch {
    -webkit-appearance: none !important; appearance: none !important;
    width: 40px !important; height: 22px !important; margin: 0 !important; border-radius: 999px !important;
    border: none !important; background: var(--icz-line) !important; position: relative !important; cursor: pointer; transition: background-color 0.2s;
    box-shadow: none !important;
}
.tool-container.icz input[type="checkbox"].icz-switch::before { content: none !important; }
.tool-container.icz input[type="checkbox"].icz-switch::after {
    content: '' !important; position: absolute !important; top: 3px !important; left: 3px !important; width: 16px !important; height: 16px !important;
    border-radius: 50% !important; background: #fff !important; transition: transform 0.2s; border: none !important; transform: none;
}
.tool-container.icz input[type="checkbox"].icz-switch:checked { background: var(--icz-accent) !important; }
.tool-container.icz input[type="checkbox"].icz-switch:checked::after { transform: translateX(18px) !important; }
.icz .icz-sum { display: flex; align-items: center; gap: 0.75rem; padding: 0.9rem 1rem; border: 1px solid var(--icz-line); border-radius: 12px; background: var(--icz-card); }
.icz .icz-sum-icon { width: 40px; height: 40px; border-radius: 10px; background: var(--icz-good-soft); color: var(--icz-good); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.icz .icz-sum-icon svg { width: 20px; height: 20px; }
.icz .icz-sum strong { display: block; font-size: 1.05rem; font-variant-numeric: tabular-nums; color: var(--icz-text); }
.icz .icz-sum small { display: block; font-size: 0.8rem; color: var(--icz-muted); }
.icz .icz-notes { display: flex; flex-direction: column; gap: 0.5rem; }
.icz .icz-notes:empty { display: none; }
.icz .icz-notice { display: flex; gap: 0.5rem; margin: 0; padding: 0.7rem 0.85rem; border-radius: 10px; font-size: 0.82rem; line-height: 1.5; background: var(--icz-accent-soft); color: var(--icz-text); }
.icz .icz-notice svg { width: 16px; height: 16px; flex-shrink: 0; margin-top: 0.15rem; color: var(--icz-accent); }
.icz .icz-notice-warn { background: var(--icz-warn-soft); }
.icz .icz-notice-warn svg { color: var(--icz-warn); }

/* buttons + action bar */
.icz .icz-btn { display: inline-flex; align-items: center; gap: 0.4rem; min-height: 40px; padding: 0.45rem 0.95rem; border: 1px solid var(--icz-line); border-radius: 10px; background: var(--icz-card); color: var(--icz-text); font: inherit; font-size: 0.875rem; font-weight: 600; cursor: pointer; }
.icz .icz-btn:hover { border-color: var(--icz-accent-line); color: var(--icz-accent); }
.icz .icz-btn svg { width: 16px; height: 16px; }
.icz .icz-btn-sm { min-height: 32px; padding: 0.3rem 0.7rem; font-size: 0.8rem; }
.icz .icz-actionbar { position: sticky; bottom: 0.75rem; z-index: 5; display: flex; align-items: center; justify-content: space-between; gap: 0.75rem; margin-top: 1rem; padding: 0.75rem 1rem; border: 1px solid var(--icz-line); border-radius: 14px; background: var(--icz-card); box-shadow: 0 6px 20px rgba(15, 23, 42, 0.08); }
.icz button.icz-go { display: inline-flex; align-items: center; gap: 0.5rem; min-height: 46px; padding: 0.6rem 1.4rem; border: none; border-radius: 10px; background: var(--primary-btn, #237a9f); color: #fff; font-weight: 700; font-size: 1rem; cursor: pointer; }
.icz button.icz-go:hover { background: var(--primary-btn-hover, #1b6183); }
.icz button.icz-go:disabled { opacity: 0.55; cursor: not-allowed; }
.icz button.icz-go svg { width: 18px; height: 18px; }
[data-theme="dark"] .icz button.icz-go { background: var(--primary-btn, #2563eb); }

.icz .icz-error { display: flex; gap: 0.6rem; padding: 0.85rem 1rem; margin-bottom: 1rem; border: 1px solid rgba(230, 78, 78, 0.35); border-radius: 12px; background: rgba(230, 78, 78, 0.08); color: var(--icz-text); font-size: 0.875rem; line-height: 1.5; }
.icz .icz-error svg { width: 18px; height: 18px; flex-shrink: 0; color: #e64e4e; margin-top: 0.1rem; }
.icz .icz-error a { color: #e64e4e; font-weight: 700; }
.icz .icz-toast { position: fixed; left: 50%; bottom: 100px; transform: translateX(-50%); z-index: 9100; max-width: min(92vw, 480px); padding: 0.65rem 1rem; border-radius: 10px; background: #0f172a; color: #fff; font-size: 0.85rem; box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25); transition: opacity 0.25s; }
.icz .icz-toast.is-out { opacity: 0; }
[data-theme="dark"] .icz .icz-toast { background: #e2e8f0; color: #0f172a; }

.icz .icz-checker {
    background-color: var(--icz-card);
    background-image: linear-gradient(45deg, var(--icz-checker) 25%, transparent 25%), linear-gradient(-45deg, var(--icz-checker) 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, var(--icz-checker) 75%), linear-gradient(-45deg, transparent 75%, var(--icz-checker) 75%);
    background-size: 10px 10px; background-position: 0 0, 0 5px, 5px -5px, -5px 0;
}

/* info */
.icz .icz-info { display: flex; flex-direction: column; gap: 1rem; margin-top: 1.25rem; }
.icz .icz-info .info-card { background: var(--bg-elevated, #fff); border: 1px solid var(--border-color, #e0e0e0); border-radius: 14px; padding: 1.4rem 1.5rem; }
.icz .icz-info h2 { display: flex; align-items: center; gap: 0.55rem; font-size: 1.2rem; margin: 0 0 0.75rem; }
.icz .icz-info h2 svg { width: 22px; height: 22px; color: var(--icz-accent); }
.icz .icz-info p, .icz .icz-info li { line-height: 1.65; }
.icz .icz-table-info { font-size: 0.875rem; }

@media (max-width: 900px) { .icz .icz-grid { grid-template-columns: minmax(0, 1fr); } }
@media (max-width: 600px) {
    .icz .icz-card { padding: 0.9rem; border-radius: 16px; }
    .icz .icz-link { margin-left: 0; }
    .icz .icz-sizes { grid-template-columns: repeat(4, minmax(0, 1fr)); }
    .icz .icz-actionbar { bottom: 70px; }
    .icz .icz-toast { bottom: 150px; }
}
.icz .icz-file-right { display: flex; align-items: center; gap: 0.45rem; margin-left: auto; flex-wrap: wrap; justify-content: flex-end; }
.icz .icz-file-meta { flex: 1 1 140px; }
.icz .icz-col-head .icz-h { white-space: nowrap; }

/* Steps list circles follow the tool accent (2026-10-11) */
.icz.tool-container { --tool-accent: var(--icz-accent); }