/* ============================================================
   Image Upscaler - scoped under .iup / .iup-* (rebuilt 2026-10-05)
   Shared header, footer, FAQ and related pills come from custom_styles.css.
   Green = image editing. Single colours, no gradients, no 4px side borders.
   Light default, dark via [data-theme="dark"].
   ============================================================ */
.iup {
    --iup-accent: #339966;
    --iup-accent-strong: #2a7d54;
    --iup-accent-soft: rgba(51, 153, 102, 0.09);
    --iup-accent-line: rgba(51, 153, 102, 0.45);
    --iup-go: #2b7a52;            /* white text 5.3:1 */
    --iup-go-hover: #22633f;
    --iup-card: var(--bg-elevated, #fff);
    --iup-sunk: var(--card-tertiary, #f1f5f9);
    --iup-open: var(--card-secondary, #f8f9fa);
    --iup-line: var(--border-color, #e2e8f0);
    --iup-text-1: var(--text-primary, #1e293b);
    --iup-text-2: var(--text-secondary, #555);
    --iup-muted: var(--text-muted, #64748b);
    --iup-checker: #e5e7eb;
    --iup-checker-bg: #fff;
    --iup-ok: #2f855a;
    --iup-ok-soft: rgba(51, 153, 102, 0.1);
    --iup-ok-line: rgba(51, 153, 102, 0.35);
    --iup-warn: #b45309;
    --iup-info: #3399cc;
    --iup-red: #c23b3b;
}
[data-theme="dark"] .iup {
    --iup-accent: #5cc28d;
    --iup-accent-strong: #86d6ad;
    --iup-accent-soft: rgba(92, 194, 141, 0.12);
    --iup-accent-line: rgba(92, 194, 141, 0.45);
    --iup-go: #2b7a52;
    --iup-go-hover: #22633f;
    --iup-sunk: #172033;
    --iup-open: #1a2438;
    --iup-checker: #334155;
    --iup-checker-bg: #1e293b;
    --iup-ok: #4ade80;
    --iup-ok-soft: rgba(74, 222, 128, 0.1);
    --iup-ok-line: rgba(74, 222, 128, 0.35);
    --iup-warn: #fbbf24;
    --iup-info: #60a5fa;
    --iup-red: #f87171;
}

.iup.tool-container { max-width: 1000px; margin: 0 auto; padding: 2rem; }
.iup [hidden] { display: none !important; }
.iup .iup-main { background: none; border: none; box-shadow: none; border-radius: 0; overflow: visible; padding: 0; }
.iup button { width: auto; font: inherit; }
.iup code { font-size: 0.86em; padding: 0.05rem 0.35rem; border-radius: 5px; background: var(--iup-sunk); }

/* ---------- title ---------- */
.iup .tool-header { text-align: center; margin-bottom: 1.75rem; }
.iup .tool-title-row { display: flex; align-items: center; justify-content: center; gap: 0.9rem; margin-bottom: 0.9rem; }
.iup .iup-title-icon {
    width: 56px; height: 56px; border-radius: 16px; background: var(--iup-accent); color: #fff;
    display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
[data-theme="dark"] .iup .iup-title-icon { color: #0b2a1c; }
.iup .iup-title-icon svg { width: 30px; height: 30px; display: block; }
.iup .tool-title { margin: 0; font-size: 2rem; font-weight: 700; color: var(--iup-accent); line-height: 1.2; }
.iup .tool-description { max-width: 800px; margin: 0 auto; font-size: 1.05rem; line-height: 1.65; color: var(--iup-text-2); }
.iup .tool-description a { color: var(--iup-accent-strong); font-weight: 500; }
[data-theme="dark"] .iup .tool-description a { color: var(--iup-accent); }

/* ---------- error ---------- */
.iup .iup-error {
    display: flex; align-items: flex-start; gap: 0.7rem; margin: 0 0 1rem; padding: 0.9rem 1rem;
    border-radius: 12px; border: 1px solid rgba(230, 78, 78, 0.35); background: rgba(230, 78, 78, 0.08); color: var(--iup-text-1);
}
.iup .iup-error > svg { width: 20px; height: 20px; color: #e64e4e; flex-shrink: 0; margin-top: 2px; }
.iup .iup-error > div { flex: 1; min-width: 0; }
.iup .iup-error p { margin: 0; font-size: 0.92rem; line-height: 1.55; overflow-wrap: anywhere; }
.iup .iup-error p + p { margin-top: 0.3rem; color: var(--iup-muted); font-size: 0.86rem; }
.iup .iup-error a { color: var(--iup-red); font-weight: 600; }
.iup .iup-x {
    display: inline-flex; align-items: center; justify-content: center; width: 30px; height: 30px; flex-shrink: 0;
    border: none; border-radius: 8px; background: none; color: var(--iup-muted); cursor: pointer; padding: 0;
}
.iup .iup-x:hover { background: rgba(100, 116, 139, 0.12); color: var(--iup-text-1); }
.iup .iup-x svg { width: 17px; height: 17px; }

/* ---------- cards + shared ---------- */
.iup .iup-card {
    background: var(--iup-card); border: 1px solid var(--iup-line); border-radius: 20px;
    padding: 1.25rem; box-shadow: var(--shadow-sm); margin-bottom: 1.25rem;
}
.iup .iup-h { display: inline-flex; align-items: center; gap: 0.45rem; margin: 0; font-size: 0.98rem; font-weight: 700; color: var(--iup-text-1); }
.iup .iup-h svg { width: 18px; height: 18px; color: var(--iup-accent); flex-shrink: 0; }
.iup .iup-label { display: block; margin: 0 0 0.45rem; font-size: 0.85rem; font-weight: 700; color: var(--iup-text-1); }
.iup .iup-hint { margin: 0.55rem 0 0; font-size: 0.8rem; line-height: 1.5; color: var(--iup-muted); overflow-wrap: anywhere; }
.iup .iup-caption { display: block; margin: 0 0 0.45rem; font-size: 0.7rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: var(--iup-muted); }
.iup .iup-checker {
    background-color: var(--iup-checker-bg);
    background-image:
        linear-gradient(45deg, var(--iup-checker) 25%, transparent 25%),
        linear-gradient(-45deg, var(--iup-checker) 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, var(--iup-checker) 75%),
        linear-gradient(-45deg, transparent 75%, var(--iup-checker) 75%);
    background-size: 16px 16px;
    background-position: 0 0, 0 8px, 8px -8px, -8px 0;
}

/* ---------- buttons ---------- */
.iup .iup-btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 0.45rem;
    min-height: 44px; padding: 0.6rem 1.1rem; border-radius: 12px; border: 1px solid transparent;
    font-size: 0.95rem; font-weight: 700; cursor: pointer; white-space: nowrap; text-decoration: none;
    transition: background 0.15s, border-color 0.15s, color 0.15s;
}
.iup .iup-btn svg { width: 18px; height: 18px; flex-shrink: 0; }
.iup .iup-go { background: var(--iup-go); color: #fff; }
.iup .iup-go:hover:not(:disabled) { background: var(--iup-go-hover); color: #fff; }
.iup .iup-go:disabled { opacity: 0.55; cursor: not-allowed; }
.iup .iup-btn-lg { min-height: 50px; padding: 0.65rem 1.5rem; font-size: 1rem; }
.iup .iup-btn-sm { min-height: 36px; padding: 0.4rem 0.8rem; font-size: 0.85rem; border-radius: 10px; }
.iup .iup-btn-sm svg { width: 16px; height: 16px; }
.iup .iup-btn-ghost { background: var(--iup-sunk); color: var(--iup-text-2); border-color: var(--iup-line); }
.iup .iup-btn-ghost:hover:not(:disabled) { color: var(--iup-text-1); border-color: var(--iup-accent-line); }
.iup .iup-btn-ok { background: var(--iup-ok-soft); color: var(--iup-ok); border-color: var(--iup-ok-line); }
.iup .iup-btn-ok:hover { background: rgba(51, 153, 102, 0.18); color: var(--iup-ok); }
.iup .iup-text-btn {
    display: inline-flex; align-items: center; gap: 0.35rem; padding: 0.4rem 0.6rem; border: none; border-radius: 8px;
    background: none; color: var(--iup-accent-strong); font-size: 0.85rem; font-weight: 600; cursor: pointer;
}
[data-theme="dark"] .iup .iup-text-btn { color: var(--iup-accent); }
.iup .iup-text-btn:hover { background: var(--iup-accent-soft); }
.iup .iup-text-btn svg { width: 15px; height: 15px; }
.iup .iup-link-btn {
    display: inline-flex; align-items: center; gap: 0.3rem; padding: 0; border: none; background: none; cursor: pointer;
    color: var(--iup-accent-strong); font-size: 0.82rem; font-weight: 600;
}
[data-theme="dark"] .iup .iup-link-btn { color: var(--iup-accent); }
.iup .iup-link-btn:hover { text-decoration: underline; }
.iup .iup-link-btn svg { width: 14px; height: 14px; }

/* ---------- tabs ---------- */
.iup .iup-tabs {
    display: grid; grid-template-columns: 1fr 1fr; gap: 0.35rem; padding: 0.3rem; margin: 0 0 1.1rem;
    border-radius: 14px; background: var(--iup-sunk);
}
.iup .iup-tab {
    display: inline-flex; align-items: center; justify-content: center; gap: 0.45rem; min-height: 42px;
    border: none; border-radius: 11px; background: none; cursor: pointer; color: var(--iup-muted); font-size: 0.92rem; font-weight: 700;
}
.iup .iup-tab svg { width: 18px; height: 18px; }
.iup .iup-tab:hover { color: var(--iup-text-1); }
.iup .iup-tab.is-active { background: var(--iup-card); color: var(--iup-accent-strong); box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08); }
[data-theme="dark"] .iup .iup-tab.is-active { color: var(--iup-accent); background: #26334a; }
.iup .iup-seg { display: flex; flex-wrap: wrap; gap: 0.4rem; margin: 0 0 1rem; }
.iup .iup-seg-btn {
    display: inline-flex; align-items: center; gap: 0.4rem; min-height: 36px; padding: 0.35rem 0.85rem; border-radius: 999px;
    border: 1px solid var(--iup-line); background: var(--iup-card); color: var(--iup-text-2); font-size: 0.85rem; font-weight: 600; cursor: pointer;
}
.iup .iup-seg-btn svg { width: 15px; height: 15px; }
.iup .iup-seg-btn.is-active { border-color: var(--iup-accent); color: var(--iup-accent-strong); background: var(--iup-accent-soft); }
[data-theme="dark"] .iup .iup-seg-btn.is-active { color: var(--iup-accent); }
.iup .iup-seg-tight { margin: 0; }

/* ---------- logo loader ---------- */
.iup .iup-loader {
    display: block; width: 72px; height: 72px; margin: 0 auto 1rem; overflow: visible;
    --cico-outer: #f2534e; --cico-outer-soft: #f8d3d1; --cico-mid: #31ae77; --cico-mid-soft: #d0e7dd; --cico-inner: #2b9edb;
}
[data-theme="dark"] .iup .iup-loader { --cico-outer-soft: rgba(242, 83, 78, 0.22); --cico-mid-soft: rgba(49, 174, 119, 0.22); }
.iup .iup-loader circle { fill: none; stroke-width: 72; transform-box: fill-box; transform-origin: center; }
.iup .iup-loader .bp { stroke: var(--cico-outer-soft); }
.iup .iup-loader .gp { stroke: var(--cico-mid-soft); }
.iup .iup-loader .b { stroke: var(--cico-outer); stroke-linecap: round; stroke-dasharray: 35.3 100; animation: iupSpinL 1.3s linear infinite; }
.iup .iup-loader .g { stroke: var(--cico-mid); stroke-linecap: round; stroke-dasharray: 75.8 100; animation: iupSpinR 2.1s linear infinite; }
.iup .iup-loader .r { stroke: var(--cico-inner); animation: iupBreathe 1.3s ease-in-out infinite; }
@keyframes iupSpinL { from { transform: rotate(117deg); } to { transform: rotate(-243deg); } }
@keyframes iupSpinR { from { transform: rotate(36deg); } to { transform: rotate(396deg); } }
@keyframes iupBreathe { 50% { transform: scale(0.9); } }
@keyframes iupSpin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) {
    .iup .iup-loader .b { animation-duration: 4s; }
    .iup .iup-loader .g { animation-duration: 6s; }
    .iup .iup-loader .r { animation: none; }
}
/* ---------- single result ---------- */
.iup .iup-editor-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 1.25rem; }
.iup .iup-preview-col, .iup .iup-settings { min-width: 0; }
.iup .iup-preview {
    display: flex; align-items: center; justify-content: center; height: 320px; padding: 1.25rem;
    border-radius: 14px; border: 1px solid var(--iup-line); overflow: hidden; box-sizing: border-box;
}
.iup .iup-preview img { display: block; width: 100%; height: 100%; object-fit: contain; }
.iup .iup-facts { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: 0.75rem; }
.iup .iup-fact {
    display: inline-flex; align-items: center; gap: 0.35rem; padding: 0.28rem 0.62rem; border-radius: 999px;
    background: var(--iup-sunk); border: 1px solid var(--iup-line); font-size: 0.79rem; font-weight: 600; color: var(--iup-text-2);
}
.iup .iup-fact svg { width: 14px; height: 14px; color: var(--iup-accent); }

.iup .iup-opt-block {
    background: var(--iup-card); border: 1px solid var(--iup-line); border-radius: var(--radius-md, 12px);
    padding: 1rem 1.1rem; margin-bottom: 0.875rem;
}
/* collapsed option rows */
.iup .iup-adv { border: 1px solid var(--iup-line); border-radius: var(--radius-md, 12px); overflow: hidden; background: var(--iup-card); margin-bottom: 0.875rem; }
.iup .iup-adv-row + .iup-adv-row { border-top: 1px solid var(--iup-line); }
.iup .iup-adv-row[hidden] + .iup-adv-row, .iup .iup-adv-row:first-child { border-top: none; }
.iup .iup-adv-head {
    display: flex; align-items: center; justify-content: space-between; gap: 0.75rem; width: 100% !important; min-height: 52px;
    padding: 0.55rem 1rem; border: none; background: none; cursor: pointer; text-align: left; color: var(--iup-text-1);
}
.iup .iup-adv-left { display: flex; align-items: center; gap: 0.65rem; min-width: 0; }
.iup .iup-adv-left > svg { width: 18px; height: 18px; color: var(--iup-accent); flex-shrink: 0; }
.iup .iup-adv-text { display: flex; flex-direction: column; min-width: 0; }
.iup .iup-adv-title { font-size: 0.9rem; font-weight: 700; }
.iup .iup-adv-hint { font-size: 0.76rem; color: var(--iup-muted); line-height: 1.35; }
.iup .iup-adv-right { display: flex; align-items: center; gap: 0.5rem; flex-shrink: 0; }
.iup .iup-adv-value {
    max-width: 160px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; padding: 0.2rem 0.55rem; border-radius: 999px;
    background: var(--iup-accent-soft); color: var(--iup-accent-strong); font-size: 0.76rem; font-weight: 700;
}
[data-theme="dark"] .iup .iup-adv-value { color: var(--iup-accent); }
.iup .iup-chevron { width: 17px; height: 17px; color: var(--iup-muted); transition: transform 0.2s; }
.iup .iup-adv-row.open .iup-chevron { transform: rotate(180deg); }
.iup .iup-adv-row.open .iup-adv-head, .iup .iup-adv-row.open .iup-adv-body { background: var(--iup-open); }
.iup .iup-adv-body { padding: 0.2rem 1rem 1rem; }
.iup .iup-quick { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 0.35rem; }
.iup .iup-quick-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.iup .iup-quick-7 { grid-template-columns: repeat(7, minmax(0, 1fr)); }
.iup .iup-chip {
    display: inline-flex; align-items: center; justify-content: center; gap: 0.3rem; min-height: 34px; padding: 0.3rem 0.2rem;
    border-radius: 9px; border: 1px solid var(--iup-line); background: var(--iup-card); color: var(--iup-text-2);
    font-size: 0.8rem; font-weight: 700; cursor: pointer; min-width: 0;
}
.iup .iup-chip:hover { border-color: var(--iup-accent-line); }
.iup .iup-chip.is-active { border-color: var(--iup-accent); background: var(--iup-accent-soft); color: var(--iup-accent-strong); }
[data-theme="dark"] .iup .iup-chip.is-active { color: var(--iup-accent); }
.iup .iup-chip-color input[type="color"] { width: 20px; height: 20px; padding: 0; border: none; border-radius: 5px; background: none; cursor: pointer; }
.iup .iup-custom { display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem; margin-top: 0.7rem; font-size: 0.82rem; font-weight: 600; color: var(--iup-text-2); }
.iup .iup-name-row { display: flex; align-items: stretch; }
.iup .iup-input {
    flex: 1; min-width: 0; height: 40px; padding: 0 0.7rem; margin: 0; border: 1px solid var(--iup-line); border-radius: 9px;
    background: var(--input-bg, #fff); color: var(--iup-text-1); font-size: 0.9rem; box-sizing: border-box;
}
.iup .iup-name-row .iup-input { border-right: none; border-radius: 9px 0 0 9px; }
.iup .iup-input:focus { outline: none; border-color: var(--iup-accent); }
.iup .iup-num { flex: 0 0 96px; width: 96px; }
.iup .iup-ext {
    display: inline-flex; align-items: center; padding: 0 0.7rem; border-radius: 0 9px 9px 0; border: 1px solid var(--iup-line);
    background: var(--iup-sunk); color: var(--iup-muted); font-size: 0.85rem; font-weight: 600;
}

/* notes + output */
.iup .iup-note {
    display: flex; gap: 0.6rem; align-items: flex-start; padding: 0.75rem 0.9rem; margin-bottom: 0.875rem; border-radius: 12px;
    font-size: 0.83rem; line-height: 1.5; color: var(--iup-text-1); background: rgba(51, 153, 204, 0.08); border: 1px solid rgba(51, 153, 204, 0.3);
}
.iup .iup-note.is-warn { background: rgba(217, 119, 6, 0.08); border-color: rgba(217, 119, 6, 0.35); }
.iup .iup-note > svg { width: 18px; height: 18px; flex-shrink: 0; margin-top: 1px; color: var(--iup-info); }
.iup .iup-note.is-warn > svg { color: var(--iup-warn); }
.iup .iup-note a { color: var(--iup-accent-strong); font-weight: 600; }
[data-theme="dark"] .iup .iup-note a { color: var(--iup-accent); }
.iup .iup-output {
    display: flex; align-items: center; gap: 0.75rem; padding: 0.8rem 1rem; border-radius: 12px;
    background: var(--iup-sunk); border: 1px solid var(--iup-line);
}
.iup .iup-output-icon {
    width: 38px; height: 38px; border-radius: 10px; flex-shrink: 0; display: flex; align-items: center; justify-content: center;
    background: var(--iup-accent-soft); color: var(--iup-accent);
}
.iup .iup-output-icon svg { width: 20px; height: 20px; }
.iup .iup-output-text { display: flex; flex-direction: column; min-width: 0; }
.iup .iup-output-text strong { font-size: 0.92rem; color: var(--iup-text-1); }
.iup .iup-output-text span { font-size: 0.8rem; color: var(--iup-muted); }
.iup .iup-output-text .is-good { color: var(--iup-ok); font-weight: 700; }

/* action bar */
.iup .iup-actionbar {
    display: flex; align-items: center; gap: 0.6rem; flex-wrap: wrap;
    margin-top: 1.1rem; padding-top: 1rem; border-top: 1px solid var(--iup-line);
}
.iup .iup-actionbar .iup-go { margin-left: auto; }
.iup .iup-summary { display: flex; flex-direction: column; min-width: 0; margin-left: auto; text-align: right; font-size: 0.8rem; color: var(--iup-muted); }
.iup .iup-summary + .iup-go { margin-left: 0; }
.iup .iup-summary strong { font-size: 0.9rem; color: var(--iup-text-1); }
.iup .iup-next { margin-top: 1rem; }
.iup .iup-next-links { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.iup .iup-next-link {
    display: inline-flex; align-items: center; gap: 0.35rem; padding: 0.4rem 0.8rem; border-radius: 999px;
    border: 1px solid var(--iup-line); background: var(--iup-card); color: var(--iup-text-2); font-size: 0.82rem; font-weight: 600; text-decoration: none;
}
.iup .iup-next-link svg { width: 14px; height: 14px; color: var(--iup-accent); }
.iup .iup-next-link:hover { border-color: var(--iup-accent-line); color: var(--iup-text-1); }

/* ---------- done box: close button + auto-hide ---------- */
.iup .iup-done {
    position: relative; margin-top: 1rem; padding: 0.95rem 1rem 1.1rem; border-radius: 14px; overflow: hidden;
    border: 1px solid var(--iup-ok-line); background: var(--iup-ok-soft); transition: opacity 0.35s ease, transform 0.35s ease;
}
.iup .iup-done.is-leaving { opacity: 0; transform: translateY(-4px); }
.iup .iup-done-head { display: flex; align-items: flex-start; gap: 0.65rem; }
.iup .iup-done-head > svg { width: 22px; height: 22px; color: var(--iup-ok); flex-shrink: 0; margin-top: 1px; }
.iup .iup-done-text { flex: 1; min-width: 0; }
.iup .iup-done-text strong { display: block; font-size: 0.95rem; color: var(--iup-text-1); }
.iup .iup-done-text span { display: block; margin-top: 0.15rem; font-size: 0.83rem; line-height: 1.5; color: var(--iup-text-2); }
.iup .iup-files { list-style: none; margin: 0.75rem 0 0; padding: 0; display: grid; grid-template-columns: minmax(0, 1fr); gap: 0.4rem; }
.iup .iup-file {
    display: flex; align-items: center; gap: 0.65rem; padding: 0.45rem 0.5rem 0.45rem 0.7rem; border-radius: 10px;
    background: var(--iup-card); border: 1px solid var(--iup-line);
}
.iup .iup-file > svg { width: 18px; height: 18px; color: var(--iup-accent); flex-shrink: 0; }
.iup .iup-file-name { flex: 1; min-width: 0; font-size: 0.84rem; font-weight: 600; color: var(--iup-text-1); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.iup .iup-file-size { flex-shrink: 0; font-size: 0.78rem; color: var(--iup-muted); font-variant-numeric: tabular-nums; }
.iup .iup-done-timer { position: absolute; left: 0; bottom: 0; height: 3px; width: 100%; background: var(--iup-ok); opacity: 0.55; transform-origin: left; }
.iup .iup-done-timer.run { animation: iupTimer linear forwards; }
.iup .iup-done:focus-within .iup-done-timer.run { animation-play-state: paused; }
@keyframes iupTimer { from { transform: scaleX(1); } to { transform: scaleX(0); } }

/* ---------- content ---------- */
.iup .iup-info { margin-top: 2rem; display: grid; grid-template-columns: minmax(0, 1fr); gap: 1.25rem; }
.iup .iup-info > * { min-width: 0; }
.iup .iup-info .info-card {
    background: var(--bg-elevated, #fff); border: 1px solid var(--iup-line); border-radius: var(--radius-md, 12px);
    padding: 1.4rem 1.5rem; box-shadow: none;
}
.iup .iup-info .info-card h2 { display: flex; align-items: center; gap: 0.55rem; margin: 0 0 0.9rem; font-size: 1.25rem; color: var(--iup-text-1); }
.iup .iup-info .info-card h2 svg { width: 22px; height: 22px; color: var(--iup-accent); flex-shrink: 0; }
.iup .iup-info .info-card p, .iup .iup-info .info-card li { color: var(--iup-text-2); line-height: 1.65; font-size: 0.97rem; }
.iup .iup-info .info-card p { margin: 0.8rem 0 0; }
.iup .iup-info a { color: var(--iup-accent-strong); font-weight: 500; }
[data-theme="dark"] .iup .iup-info a { color: var(--iup-accent); }
.iup .iup-list { margin: 0; padding-left: 1.3rem; display: grid; gap: 0.45rem; }
.iup .iup-table-wrap { overflow-x: auto; border: 1px solid var(--iup-line); border-radius: 10px; }
.iup .iup-table { width: 100%; border-collapse: collapse; font-size: 0.9rem; min-width: 520px; }
.iup .iup-table th, .iup .iup-table td { padding: 0.6rem 0.8rem; text-align: left; border-bottom: 1px solid var(--iup-line); color: var(--iup-text-2); vertical-align: top; }
.iup .iup-table th { background: var(--iup-sunk); color: var(--iup-text-1); font-weight: 700; font-size: 0.82rem; }
.iup .iup-table tr:last-child td { border-bottom: none; }
.iup .iup-table td:first-child { font-weight: 700; color: var(--iup-text-1); white-space: nowrap; }

/* ---------- responsive ---------- */
@media (max-width: 860px) {
    .iup .iup-editor-grid { grid-template-columns: minmax(0, 1fr); }
    .iup .iup-preview { height: 260px; }
}
@media (max-width: 600px) {
    .iup.tool-container { padding: 1.1rem 16px; }
    .iup .tool-title { font-size: 1.6rem; }
    .iup .iup-title-icon { width: 46px; height: 46px; border-radius: 13px; }
    .iup .iup-title-icon svg { width: 25px; height: 25px; }
    .iup .tool-description { font-size: 0.98rem; }
    .iup .iup-card { padding: 1rem; border-radius: 16px; }
    .iup .iup-quick { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .iup .iup-quick-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .iup .iup-quick-7 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
    .iup .iup-actionbar .iup-go { flex: 1 1 100%; margin-left: 0; }
    .iup .iup-actionbar .iup-btn-ghost { flex: 1; }
    .iup .iup-summary { order: -1; width: 100%; text-align: left; margin-left: 0; }
    .iup .iup-info .info-card { padding: 1.1rem; }
}

/* ============================================================
   Image Upscaler - own components
   ============================================================ */
.iup .iup-pill {
    display: inline-flex; align-items: center; gap: 0.35rem; padding: 0.22rem 0.65rem; border-radius: 999px;
    background: var(--iup-sunk); border: 1px solid var(--iup-line); font-size: 0.78rem; font-weight: 600; color: var(--iup-text-2);
}
.iup .iup-pill svg { width: 14px; height: 14px; color: var(--iup-accent); }
.iup .iup-under { gap: 0.45rem 0.6rem; margin-top: 0.85rem; }
.iup .iup-samples { margin-left: auto; display: inline-flex; align-items: center; gap: 0.45rem; }

/* drop zone */
.iup .iup-drop {
    display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 0.35rem; text-align: center;
    min-height: 220px; padding: 1.75rem 1.25rem; border-radius: 16px; border: 2px dashed var(--iup-accent-line);
    background: var(--iup-accent-soft); cursor: pointer; color: var(--iup-muted); font-size: 0.86rem; line-height: 1.5;
    transition: border-color 0.15s, background 0.15s; box-sizing: border-box; margin: 0;
}
.iup .iup-drop:hover, .iup .iup-drop.is-drag { border-color: var(--iup-accent); background: rgba(51, 153, 102, 0.14); }
.iup .iup-drop:focus-within { outline: 3px solid var(--iup-accent-soft); }
.iup .iup-drop strong { font-size: 1.08rem; color: var(--iup-text-1); }
.iup .iup-drop-link { color: var(--iup-accent-strong); text-decoration: underline; text-underline-offset: 3px; }
[data-theme="dark"] .iup .iup-drop-link { color: var(--iup-accent); }
.iup .iup-drop-icon {
    width: 58px; height: 58px; border-radius: 16px; display: flex; align-items: center; justify-content: center; margin-bottom: 0.35rem;
    background: var(--iup-card); color: var(--iup-accent); border: 1px solid var(--iup-line);
}
.iup .iup-drop-icon svg { width: 28px; height: 28px; }
.iup.is-dragging .iup-card#iupEditor { outline: 2px dashed var(--iup-accent); outline-offset: 4px; }

/* editor */
.iup .iup-preview { position: relative; }
.iup .iup-queue { display: flex; gap: 0.4rem; margin-top: 0.6rem; overflow-x: auto; padding-bottom: 0.2rem; scrollbar-width: thin; }
.iup .iup-qitem {
    position: relative; flex: 0 0 56px; width: 56px; height: 56px; padding: 0; border-radius: 10px; overflow: hidden; cursor: pointer;
    border: 1.5px solid var(--iup-line); background: var(--iup-sunk);
}
.iup .iup-qitem img { width: 100%; height: 100%; object-fit: cover; display: block; }
.iup .iup-qitem.is-active { border-color: var(--iup-accent); box-shadow: 0 0 0 2px var(--iup-accent-soft); }
.iup .iup-qitem.is-error { opacity: 0.5; }
.iup .iup-qdel {
    position: absolute; top: 2px; right: 2px; width: 20px; height: 20px; border-radius: 6px; padding: 0; border: none; cursor: pointer;
    display: none; align-items: center; justify-content: center; background: rgba(15, 23, 42, 0.75); color: #fff;
}
.iup .iup-qdel svg { width: 13px; height: 13px; }
.iup .iup-qitem:hover .iup-qdel, .iup .iup-qitem:focus-within .iup-qdel, .iup .iup-qitem.is-active .iup-qdel { display: inline-flex; }
.iup .iup-qadd {
    flex: 0 0 56px; width: 56px; height: 56px; padding: 0; border-radius: 10px; border: 1.5px dashed var(--iup-accent-line);
    background: none; color: var(--iup-accent); cursor: pointer; display: inline-flex; align-items: center; justify-content: center;
}
.iup .iup-qadd svg { width: 20px; height: 20px; }
.iup .iup-qadd:hover { background: var(--iup-accent-soft); }

.iup .iup-tab small { font-size: 0.72rem; font-weight: 600; opacity: 0.75; }
.iup .iup-tabs { margin-bottom: 0.875rem; }
.iup .iup-opt-head { display: flex; align-items: center; justify-content: space-between; gap: 0.5rem; margin-bottom: 0.7rem; }
.iup .iup-value {
    padding: 0.2rem 0.6rem; border-radius: 999px; background: var(--iup-accent-soft); color: var(--iup-accent-strong);
    font-size: 0.78rem; font-weight: 700; font-variant-numeric: tabular-nums; white-space: nowrap;
}
[data-theme="dark"] .iup .iup-value { color: var(--iup-accent); }
.iup .iup-scales { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 0.4rem; }
.iup .iup-scale {
    min-height: 44px; padding: 0.3rem 0.2rem; border-radius: 11px; border: 1.5px solid var(--iup-line); background: var(--iup-card);
    color: var(--iup-text-1); font-size: 0.95rem; font-weight: 800; cursor: pointer; min-width: 0; font-variant-numeric: tabular-nums;
}
.iup .iup-scale[data-scale="custom"] { font-size: 0.84rem; font-weight: 700; }
.iup .iup-scale:hover:not(:disabled) { border-color: var(--iup-accent-line); }
.iup .iup-scale.is-active { border-color: var(--iup-accent); background: var(--iup-accent-soft); color: var(--iup-accent-strong); }
[data-theme="dark"] .iup .iup-scale.is-active { color: var(--iup-accent); }
.iup .iup-scale:disabled { opacity: 0.4; cursor: not-allowed; }
.iup .iup-custom label { display: inline-flex; align-items: center; gap: 0.5rem; margin: 0; }
.iup .iup-custom-h { color: var(--iup-muted); font-weight: 600; font-variant-numeric: tabular-nums; }
.iup .iup-hint:empty { display: none; }
.iup .iup-qrow { margin-top: 0.8rem; }
.iup .iup-qrow .iup-caption { margin-bottom: 0.4rem; }
.iup .iup-adv-row.is-off { display: none; }
.iup .iup-notes { display: grid; grid-template-columns: minmax(0, 1fr); gap: 0.5rem; margin-bottom: 0.875rem; }
.iup .iup-notes .iup-note { margin: 0; }
.iup .iup-note p { margin: 0; }
.iup .iup-note .iup-link-btn { font-size: inherit; margin-left: 0.2rem; }

/* progress */
.iup .iup-prog { margin-top: 1rem; padding: 1rem 1.1rem; border-radius: 14px; border: 1px solid var(--iup-line); background: var(--iup-sunk); }
.iup .iup-prog-top { display: flex; align-items: center; gap: 0.9rem; }
.iup .iup-prog .iup-loader { width: 40px; height: 40px; margin: 0; flex-shrink: 0; }
.iup .iup-prog-top .iup-btn { margin-left: auto; }
.iup .iup-stages { display: flex; align-items: center; flex-wrap: wrap; row-gap: 0.4rem; }
.iup .iup-stage { display: inline-flex; align-items: center; gap: 0.4rem; font-size: 0.8rem; font-weight: 700; color: var(--iup-muted); }
.iup .iup-stage .dot {
    display: inline-flex; align-items: center; justify-content: center; padding: 6px; border-radius: 50%;
    background: var(--iup-card); border: 1px solid var(--iup-line); color: var(--iup-muted);
}
.iup .iup-stage .dot svg { width: 20px; height: 20px; display: block; }
.iup .iup-stage.active { color: var(--iup-text-1); }
.iup .iup-stage.active .dot { background: var(--iup-go); border-color: var(--iup-go); color: #fff; }
.iup .iup-stage.done .dot { background: #339966; border-color: #339966; color: #fff; }
.iup .iup-stage-line { width: 28px; height: 2px; margin: 0 0.5rem; border-radius: 2px; background: var(--iup-line); flex-shrink: 0; }
.iup .iup-stage-line.done { background: #339966; }
.iup .iup-prog-head { display: flex; align-items: baseline; justify-content: space-between; gap: 0.75rem; margin-top: 0.85rem; }
.iup .iup-prog-text { font-size: 0.86rem; color: var(--iup-text-2); min-width: 0; overflow-wrap: anywhere; }
.iup .iup-prog-pct { font-size: 0.95rem; font-weight: 800; color: var(--iup-text-1); font-variant-numeric: tabular-nums; }
.iup .iup-prog .iup-bar { height: 8px; margin-top: 0.5rem; }
.iup .iup-prog.is-indeterminate .iup-bar-fill { width: 35% !important; animation: iupSlide 1.2s ease-in-out infinite; }
@keyframes iupSlide { from { left: -35%; } to { left: 100%; } }
.iup .iup-prog-foot { margin: 0.55rem 0 0; font-size: 0.76rem; color: var(--iup-muted); }
.iup .iup-bar { position: relative; height: 6px; border-radius: 999px; background: var(--iup-line); overflow: hidden; }
.iup .iup-bar-fill { position: absolute; inset: 0 auto 0 0; width: 0; background: var(--iup-go); border-radius: 999px; transition: width 0.3s; }
.iup .iup-busy .iup-settings, .iup .iup-busy .iup-queue { pointer-events: none; opacity: 0.55; }

/* result + compare */
.iup .iup-result-head { display: flex; align-items: baseline; justify-content: space-between; gap: 0.4rem 1rem; flex-wrap: wrap; margin-bottom: 0.85rem; }
.iup .iup-result-meta { font-size: 0.82rem; color: var(--iup-muted); font-variant-numeric: tabular-nums; }
.iup .iup-compare {
    --pos: 50%; --z: 1; --ox: 50%; --oy: 50%; --ar: 1.5; --cmp-h: 460px;
    position: relative; width: min(100%, calc(var(--cmp-h) * var(--ar))); aspect-ratio: var(--ar); max-height: var(--cmp-h); margin: 0 auto; border-radius: 14px; border: 1px solid var(--iup-line); overflow: hidden;
    user-select: none; -webkit-user-select: none; touch-action: pan-y; cursor: ew-resize;
}
.iup .iup-compare.is-zoomed { cursor: zoom-out; touch-action: none; }
.iup .iup-compare img {
    position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; display: block; max-width: none;
    transform: scale(var(--z)); transform-origin: var(--ox) var(--oy); pointer-events: none;
}
.iup .iup-compare.is-pixel #iupAfter { image-rendering: pixelated; }
.iup .iup-before { position: absolute; inset: 0; overflow: hidden; clip-path: inset(0 calc(100% - var(--pos)) 0 0); }
.iup .iup-handle {
    position: absolute; top: 0; bottom: 0; left: var(--pos); width: 2px; margin-left: -1px; background: #fff;
    box-shadow: 0 0 0 1px rgba(15, 23, 42, 0.25); cursor: ew-resize; outline: none; z-index: 2;
}
.iup .iup-handle span {
    position: absolute; top: 50%; left: 50%; width: 38px; height: 38px; margin: -19px 0 0 -19px; border-radius: 50%;
    display: flex; align-items: center; justify-content: center; background: #fff; color: #1e293b;
    box-shadow: 0 2px 8px rgba(15, 23, 42, 0.3);
}
.iup .iup-handle span svg { width: 20px; height: 20px; }
.iup .iup-handle:focus-visible span { box-shadow: 0 0 0 3px var(--iup-accent), 0 2px 8px rgba(15, 23, 42, 0.3); }
.iup .iup-tag {
    position: absolute; top: 10px; padding: 0.15rem 0.5rem; border-radius: 7px; z-index: 1; pointer-events: none;
    background: rgba(15, 23, 42, 0.72); color: #fff; font-size: 0.72rem; font-weight: 700; letter-spacing: 0.03em;
}
.iup .iup-tag-l { left: 10px; }
.iup .iup-tag-r { right: 10px; }
.iup .iup-zoombar { display: flex; align-items: center; gap: 0.75rem; margin-top: 0.5rem; flex-wrap: wrap; }
.iup .iup-zoombar .iup-hint { margin: 0; flex: 1; min-width: 200px; }

.iup .iup-results-list { display: grid; grid-template-columns: minmax(0, 1fr); gap: 0.4rem; margin-top: 1rem; max-height: 340px; overflow-y: auto; }
.iup .iup-ritem {
    display: flex; align-items: center; gap: 0.7rem; padding: 0.45rem 0.5rem 0.45rem 0.5rem; border-radius: 12px; cursor: pointer;
    border: 1.5px solid var(--iup-line); background: var(--iup-card); min-width: 0; text-align: left; width: 100%;
}
.iup .iup-ritem:hover { border-color: var(--iup-accent-line); }
.iup .iup-ritem.is-active { border-color: var(--iup-accent); background: var(--iup-accent-soft); }
.iup .iup-ritem img { width: 44px; height: 44px; border-radius: 8px; object-fit: cover; flex-shrink: 0; background: var(--iup-sunk); }
.iup .iup-ritem-text { flex: 1; min-width: 0; display: flex; flex-direction: column; }
.iup .iup-ritem-name { font-size: 0.86rem; font-weight: 700; color: var(--iup-text-1); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.iup .iup-ritem-sub { font-size: 0.76rem; color: var(--iup-muted); font-variant-numeric: tabular-nums; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.iup .iup-ritem.is-error .iup-ritem-sub { color: var(--iup-red); white-space: normal; }
.iup .iup-ritem-sub .is-warn { color: var(--iup-warn); }
.iup .iup-mini {
    display: inline-flex; align-items: center; justify-content: center; width: 34px; height: 34px; padding: 0; flex-shrink: 0;
    border-radius: 9px; border: 1px solid var(--iup-accent-line); background: var(--iup-accent-soft); color: var(--iup-accent-strong); cursor: pointer;
}
[data-theme="dark"] .iup .iup-mini { color: var(--iup-accent); }
.iup .iup-mini svg { width: 16px; height: 16px; }
.iup .iup-mini:hover { border-color: var(--iup-accent); }

.iup .iup-out-row { display: flex; align-items: center; gap: 0.5rem 0.8rem; flex-wrap: wrap; margin-top: 1rem; }
.iup .iup-out-row .iup-caption { margin: 0; }
.iup .iup-out-row .iup-seg { margin: 0; gap: 0.35rem; }
.iup .iup-seg-btn:disabled { opacity: 0.5; cursor: wait; }
.iup .iup-out-size { font-size: 0.86rem; font-weight: 700; color: var(--iup-text-1); font-variant-numeric: tabular-nums; }
.iup .iup-out-size small { font-weight: 600; color: var(--iup-muted); }
.iup .iup-next .iup-caption { margin-bottom: 0.4rem; }
.iup .iup-credit { margin: 0; text-align: center; font-size: 0.78rem; color: var(--iup-muted); }

@media (max-width: 860px) {
    .iup .iup-compare { --cmp-h: 380px; }
}
@media (max-width: 600px) {
    .iup .iup-drop { min-height: 180px; }
    .iup .iup-samples { margin-left: 0; }
    .iup .iup-pill:nth-of-type(n+3) { display: none; }
    .iup .iup-scales { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0.3rem; }
    .iup .iup-scale { font-size: 0.86rem; }
    .iup .iup-scale[data-scale="custom"] { font-size: 0.74rem; }
    .iup .iup-stage .lbl { display: none; }
    .iup .iup-stage-line { width: 20px; margin: 0 0.3rem; }
    .iup .iup-compare { --cmp-h: 320px; }
    .iup .iup-tab small { display: none; }
}

/* Shared steps list + FAQ (main CSS) follow the tool accent (2026-10-11) */
.iup.tool-container { --tool-accent: var(--iup-accent, #339966); }

/* 2026-10-14: size unit switch (px / cm / in) */
.iup .iup-units { flex: 0 0 auto; margin: 0; gap: 0.3rem; }
.iup .iup-units .iup-seg-btn { min-width: 2.6rem; padding-left: 0.6rem; padding-right: 0.6rem; }

/* 2026-10-14: 2-chip rows, white ink mask block */
.iup .iup-quick-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.iup .iup-mask { margin-top: 1rem; padding: 0.9rem 1rem; border: 1px solid var(--iup-line); border-radius: 14px; background: var(--iup-card); }
.iup .iup-mask-head { display: flex; align-items: center; gap: 0.7rem; margin-bottom: 0.75rem; }
.iup .iup-mask-icon { display: inline-flex; align-items: center; justify-content: center; flex: 0 0 34px; width: 34px; height: 34px; border-radius: 10px; background: var(--iup-accent-soft); color: var(--iup-accent-strong); }
[data-theme="dark"] .iup .iup-mask-icon { color: var(--iup-accent); }
.iup .iup-mask-icon svg { width: 18px; height: 18px; }
.iup .iup-mask-text { display: flex; flex-direction: column; gap: 0.1rem; font-size: 0.82rem; color: var(--iup-muted); line-height: 1.45; }
.iup .iup-mask-text strong { font-size: 0.92rem; color: var(--iup-text-1); }
.iup .iup-mask-opts { display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem 0.7rem; }
.iup .iup-mask-opts .iup-caption { margin: 0; }
.iup .iup-mask-opts .iup-seg { margin: 0; gap: 0.3rem; }
.iup .iup-mask-opts .iup-seg-btn { min-height: 32px; padding: 0.25rem 0.7rem; font-size: 0.8rem; }
.iup #iupMaskBtn { margin-left: auto; }
@media (max-width: 600px) { .iup #iupMaskBtn { margin-left: 0; width: 100%; justify-content: center; } }