/* ============================================================
   ConvertICO decompressor pages (GZ, BZ2, XZ File Opener)
   One stylesheet, scoped under .dco-root / .dco-* (2026-10-10).
   Shared header, footer, FAQ and related pills: custom_styles.css.
   Accent: blue #3399cc (viewers). Single colours, no gradients,
   no thick side borders. Light default, dark via [data-theme="dark"].
   ============================================================ */
.dco-root {
    --dco-accent: #3399cc;
    --dco-accent-strong: #237a9f;
    --dco-accent-soft: rgba(51, 153, 204, 0.09);
    --dco-accent-line: rgba(51, 153, 204, 0.45);
    --dco-go: #237a9f;
    --dco-go-hover: #1b6183;
    --dco-green: #2b8a5a;
    --dco-green-soft: rgba(51, 153, 102, 0.1);
    --dco-green-line: rgba(51, 153, 102, 0.4);
    --dco-card: var(--bg-elevated, #fff);
    --dco-sunk: var(--card-tertiary, #f1f5f9);
    --dco-open: var(--card-secondary, #f8f9fa);
    --dco-line: var(--border-color, #e2e8f0);
    --dco-text-1: var(--text-primary, #1e293b);
    --dco-text-2: var(--text-secondary, #555);
    --dco-muted: var(--text-muted, #64748b);
    --dco-warn: #b45309;
    --dco-warn-soft: rgba(217, 119, 6, 0.08);
    --dco-warn-line: rgba(217, 119, 6, 0.38);
    --dco-red: #c23b3b;
    --dco-red-soft: rgba(230, 78, 78, 0.08);
    --dco-red-line: rgba(230, 78, 78, 0.35);
    --dco-mono: ui-monospace, "Cascadia Mono", SFMono-Regular, Menlo, Consolas, "DejaVu Sans Mono", "Liberation Mono", monospace;
    --dco-bg: #ffffff;
    --dco-fg: #1f2937;
    --dco-gut: #f6f8fa;
    --dco-gut-t: #94a3b8;
    --dco-gut-line: #e5e7eb;
    --dco-hit: rgba(250, 204, 21, 0.45);
    --dco-hit-cur: #facc15;
    --dco-hex-addr: #94a3b8;
    --dco-hex-zero: #c0c7d2;
}
[data-theme="dark"] .dco-root {
    --dco-accent: #60a5fa;
    --dco-accent-strong: #93c5fd;
    --dco-accent-soft: rgba(96, 165, 250, 0.12);
    --dco-accent-line: rgba(96, 165, 250, 0.45);
    --dco-go: #2563eb;
    --dco-go-hover: #1d4ed8;
    --dco-green: #4ade80;
    --dco-green-soft: rgba(74, 222, 128, 0.1);
    --dco-green-line: rgba(74, 222, 128, 0.4);
    --dco-sunk: #172033;
    --dco-open: #1a2438;
    --dco-warn: #fbbf24;
    --dco-warn-soft: rgba(251, 191, 36, 0.08);
    --dco-warn-line: rgba(251, 191, 36, 0.38);
    --dco-red: #f87171;
    --dco-red-soft: rgba(248, 113, 113, 0.1);
    --dco-red-line: rgba(248, 113, 113, 0.4);
    --dco-bg: #0f172a;
    --dco-fg: #e2e8f0;
    --dco-gut: #131c30;
    --dco-gut-t: #64748b;
    --dco-gut-line: #24314a;
    --dco-hit: rgba(250, 204, 21, 0.3);
    --dco-hex-addr: #64748b;
    --dco-hex-zero: #475569;
}

.dco-root.tool-container { max-width: 1100px; margin: 0 auto; padding: 2rem; }
.dco-root [hidden] { display: none !important; }
.dco-root .dco-main { background: none; border: none; box-shadow: none; border-radius: 0; overflow: visible; padding: 0; }
.dco-root button { font: inherit; }
.dco-root code { font-family: var(--dco-mono); font-size: 0.86em; padding: 0.05rem 0.35rem; border-radius: 5px; background: var(--dco-sunk); }
.dco-root kbd { display: inline-block; padding: 0.05rem 0.4rem; border-radius: 5px; border: 1px solid var(--dco-line); border-bottom-width: 2px; background: var(--dco-card); font: 600 0.78em var(--dco-mono); color: var(--dco-text-1); }
.dco-root :focus-visible { outline: 3px solid var(--dco-accent-line); outline-offset: 2px; }

/* ---------- title ---------- */
.dco-root .tool-header { text-align: center; margin-bottom: 1.75rem; }
.dco-root .dco-title-row { display: flex; align-items: center; justify-content: center; gap: 0.9rem; margin-bottom: 0.9rem; }
.dco-root .dco-title-icon { width: 56px; height: 56px; border-radius: 16px; background: var(--dco-accent); color: #fff; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
[data-theme="dark"] .dco-root .dco-title-icon { color: #0b1e33; }
.dco-root .dco-title-icon svg { width: 30px; height: 30px; display: block; }
.dco-root .tool-title { margin: 0; font-size: 2rem; font-weight: 700; color: var(--dco-accent); line-height: 1.2; }
.dco-root .tool-description { max-width: 800px; margin: 0 auto; font-size: 1.05rem; line-height: 1.65; color: var(--dco-text-2); }
.dco-root .tool-description a { color: var(--dco-accent-strong); font-weight: 500; }
[data-theme="dark"] .dco-root .tool-description a { color: var(--dco-accent); }

/* ---------- error ---------- */
.dco-root .dco-error { display: flex; align-items: flex-start; gap: 0.7rem; margin: 0 0 1rem; padding: 0.9rem 1rem; border-radius: 12px; border: 1px solid var(--dco-red-line); background: var(--dco-red-soft); color: var(--dco-text-1); }
.dco-root .dco-error > svg { width: 20px; height: 20px; color: #e64e4e; flex-shrink: 0; margin-top: 2px; }
.dco-root .dco-error > div { flex: 1; min-width: 0; }
.dco-root .dco-error p { margin: 0; font-size: 0.92rem; line-height: 1.55; overflow-wrap: anywhere; }
.dco-root .dco-error p + p { margin-top: 0.3rem; color: var(--dco-muted); font-size: 0.86rem; }
.dco-root .dco-error a { color: var(--dco-red); font-weight: 600; }
.dco-root .dco-error-actions { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: 0.55rem; }
.dco-root .dco-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(--dco-muted); cursor: pointer; padding: 0; margin: 0; }
.dco-root .dco-x:hover { background: rgba(100, 116, 139, 0.12); color: var(--dco-text-1); }
.dco-root .dco-x svg { width: 17px; height: 17px; }

/* ---------- cards + small parts ---------- */
.dco-root .dco-card { background: var(--dco-card); border: 1px solid var(--dco-line); border-radius: 20px; padding: 1.25rem; box-shadow: var(--shadow-sm); margin-bottom: 1.25rem; min-width: 0; }
.dco-root .dco-caption { display: inline-flex; align-items: center; gap: 0.35rem; margin: 0 0 0.45rem; font-size: 0.7rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: var(--dco-muted); }
.dco-root .dco-caption svg { width: 14px; height: 14px; }

.dco-root .dco-btn { display: inline-flex; align-items: center; justify-content: center; gap: 0.45rem; width: auto; min-height: 44px; padding: 0.6rem 1.1rem; margin: 0; 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; }
.dco-root .dco-btn svg { width: 18px; height: 18px; flex-shrink: 0; }
.dco-root .dco-go { background: var(--dco-go); color: #fff; }
.dco-root .dco-go:hover:not(:disabled) { background: var(--dco-go-hover); color: #fff; }
.dco-root .dco-btn:disabled { opacity: 0.5; cursor: not-allowed; }
.dco-root .dco-btn-lg { min-height: 50px; padding: 0.65rem 1.5rem; font-size: 1rem; }
.dco-root .dco-btn-sm { min-height: 36px; padding: 0.4rem 0.8rem; font-size: 0.85rem; border-radius: 10px; }
.dco-root .dco-btn-sm svg { width: 16px; height: 16px; }
.dco-root .dco-btn-ghost { background: var(--dco-sunk); color: var(--dco-text-2); border-color: var(--dco-line); }
.dco-root .dco-btn-ghost:hover:not(:disabled) { color: var(--dco-text-1); border-color: var(--dco-accent-line); }
.dco-root .dco-text-btn { display: inline-flex; align-items: center; gap: 0.35rem; width: auto; padding: 0.35rem 0.6rem; margin: 0; border: none; border-radius: 8px; background: none; color: var(--dco-accent-strong); font-size: 0.85rem; font-weight: 600; cursor: pointer; white-space: nowrap; text-decoration: none; }
[data-theme="dark"] .dco-root .dco-text-btn { color: var(--dco-accent); }
.dco-root .dco-text-btn:hover:not(:disabled) { background: var(--dco-accent-soft); }
.dco-root .dco-text-btn svg { width: 15px; height: 15px; }
.dco-root .dco-icon-btn { display: inline-flex; align-items: center; justify-content: center; width: 30px; height: 30px; padding: 0; margin: 0; border: none; border-radius: 7px; background: none; color: var(--dco-text-2); cursor: pointer; flex-shrink: 0; }
.dco-root .dco-icon-btn:hover:not(:disabled) { background: var(--dco-accent-soft); color: var(--dco-text-1); }
.dco-root .dco-icon-btn:disabled { opacity: 0.35; cursor: default; }
.dco-root .dco-icon-btn svg { width: 16px; height: 16px; }
.dco-root .dco-seg-btn { display: inline-flex; align-items: center; gap: 0.4rem; width: auto; min-height: 36px; padding: 0.35rem 0.85rem; margin: 0; border-radius: 999px; border: 1px solid var(--dco-line); background: var(--dco-card); color: var(--dco-text-2); font-size: 0.85rem; font-weight: 600; cursor: pointer; }
.dco-root .dco-seg-btn svg { width: 15px; height: 15px; color: var(--dco-accent); }
.dco-root .dco-seg-btn:hover { border-color: var(--dco-accent-line); color: var(--dco-text-1); }
.dco-root .dco-seg-btn small { font-weight: 500; color: var(--dco-muted); }

/* ---------- open / create modes (GZ page) ---------- */
.dco-root .dco-modes { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.25rem; padding: 0.25rem; margin-bottom: 1rem; border-radius: 12px; background: var(--dco-sunk); border: 1px solid var(--dco-line); }
.dco-root .dco-modes button { display: inline-flex; align-items: center; justify-content: center; gap: 0.45rem; width: 100%; min-width: 0; min-height: 40px; margin: 0; padding: 0.4rem 0.6rem; border: none; border-radius: 9px; background: none; color: var(--dco-muted); font-weight: 700; font-size: 0.92rem; cursor: pointer; }
.dco-root .dco-modes button svg { width: 17px; height: 17px; flex-shrink: 0; }
.dco-root .dco-modes button[aria-selected="true"] { background: var(--dco-card); color: var(--dco-accent-strong); box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08); }
[data-theme="dark"] .dco-root .dco-modes button[aria-selected="true"] { color: var(--dco-accent); background: #26334a; }

/* ---------- upload ---------- */
.dco-root .dco-drop { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 0.35rem; text-align: center; min-height: 190px; padding: 1.5rem 1.25rem; border-radius: 16px; border: 2px dashed var(--dco-accent-line); background: var(--dco-accent-soft); cursor: pointer; color: var(--dco-muted); font-size: 0.86rem; line-height: 1.5; transition: border-color 0.15s, background 0.15s; box-sizing: border-box; margin: 0; }
.dco-root .dco-drop:hover, .dco-root .dco-drop.is-drag { border-color: var(--dco-accent); background: rgba(51, 153, 204, 0.14); }
.dco-root .dco-drop:focus-within { outline: 3px solid var(--dco-accent-soft); }
.dco-root .dco-drop strong { font-size: 1.08rem; color: var(--dco-text-1); }
.dco-root .dco-drop-link { color: var(--dco-accent-strong); text-decoration: underline; text-underline-offset: 3px; }
[data-theme="dark"] .dco-root .dco-drop-link { color: var(--dco-accent); }
.dco-root .dco-drop-icon { width: 58px; height: 58px; border-radius: 16px; display: flex; align-items: center; justify-content: center; margin-bottom: 0.35rem; background: var(--dco-card); color: var(--dco-accent); border: 1px solid var(--dco-line); }
.dco-root .dco-drop-icon svg { width: 28px; height: 28px; }
.dco-root .dco-types { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.3rem; margin-top: 0.35rem; max-width: 560px; }
.dco-root .dco-types span { padding: 0.05rem 0.45rem; border-radius: 6px; background: var(--dco-card); border: 1px solid var(--dco-line); font: 600 0.72rem var(--dco-mono); color: var(--dco-text-2); }
.dco-root .dco-samples { margin-top: 1rem; }
.dco-root .dco-sample-row { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.dco-root .dco-under { display: flex; flex-wrap: wrap; align-items: center; gap: 0.45rem 0.6rem; margin-top: 1rem; }
.dco-root .dco-pill { display: inline-flex; align-items: center; gap: 0.35rem; padding: 0.22rem 0.65rem; border-radius: 999px; background: var(--dco-sunk); border: 1px solid var(--dco-line); font-size: 0.78rem; font-weight: 600; color: var(--dco-text-2); }
.dco-root .dco-pill svg { width: 14px; height: 14px; color: var(--dco-accent); }
.dco-root .dco-small-note { margin: 0.85rem 0 0; font-size: 0.82rem; color: var(--dco-muted); line-height: 1.5; }
.dco-root .dco-small-note a { color: var(--dco-accent-strong); font-weight: 600; }
[data-theme="dark"] .dco-root .dco-small-note a { color: var(--dco-accent); }

/* create .gz result */
.dco-root .dco-gzres { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; align-items: center; gap: 0.8rem; margin-top: 1rem; padding: 0.85rem 1rem; border-radius: 14px; border: 1px solid var(--dco-green-line); background: var(--dco-green-soft); }
.dco-root .dco-gzres > svg { width: 26px; height: 26px; color: var(--dco-green); }
.dco-root .dco-gzres strong { display: block; color: var(--dco-text-1); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.dco-root .dco-gzres span { display: block; font-size: 0.84rem; color: var(--dco-text-2); }
.dco-root .dco-gzbar { margin-top: 1rem; }

/* page-wide drop overlay */
.dco-root .dco-overlay { position: fixed; inset: 0; z-index: 10004; display: flex; align-items: center; justify-content: center; background: rgba(15, 23, 42, 0.45); pointer-events: none; }
.dco-root .dco-overlay-box { display: flex; flex-direction: column; align-items: center; gap: 0.5rem; padding: 2rem 2.5rem; border-radius: 20px; border: 2px dashed var(--dco-accent); background: var(--dco-card); color: var(--dco-text-1); font-weight: 700; font-size: 1.1rem; }
.dco-root .dco-overlay-box svg { width: 36px; height: 36px; color: var(--dco-accent); }

/* ---------- progress ---------- */
.dco-root .dco-prog { padding: 1rem 1.1rem; }
.dco-root .dco-prog-top { display: flex; align-items: center; gap: 0.9rem; flex-wrap: wrap; }
.dco-root .dco-prog-top .dco-btn { margin-left: auto; }
.dco-root .dco-loader { display: block; width: 40px; height: 40px; flex-shrink: 0; overflow: visible; --cico-outer: #f2534e; --cico-outer-soft: #f8d3d1; --cico-mid: #31ae77; --cico-mid-soft: #d0e7dd; --cico-inner: #2b9edb; }
[data-theme="dark"] .dco-root .dco-loader { --cico-outer-soft: rgba(242, 83, 78, 0.22); --cico-mid-soft: rgba(49, 174, 119, 0.22); }
.dco-root .dco-loader circle { fill: none; stroke-width: 72; transform-box: fill-box; transform-origin: center; }
.dco-root .dco-loader .bp { stroke: var(--cico-outer-soft); }
.dco-root .dco-loader .gp { stroke: var(--cico-mid-soft); }
.dco-root .dco-loader .b { stroke: var(--cico-outer); stroke-linecap: round; stroke-dasharray: 35.3 100; animation: dcoSpinL 1.3s linear infinite; }
.dco-root .dco-loader .g { stroke: var(--cico-mid); stroke-linecap: round; stroke-dasharray: 75.8 100; animation: dcoSpinR 2.1s linear infinite; }
.dco-root .dco-loader .r { stroke: var(--cico-inner); animation: dcoBreathe 1.3s ease-in-out infinite; }
@keyframes dcoSpinL { from { transform: rotate(117deg); } to { transform: rotate(-243deg); } }
@keyframes dcoSpinR { from { transform: rotate(36deg); } to { transform: rotate(396deg); } }
@keyframes dcoBreathe { 50% { transform: scale(0.9); } }
@media (prefers-reduced-motion: reduce) {
    .dco-root .dco-loader .b { animation-duration: 4s; }
    .dco-root .dco-loader .g { animation-duration: 6s; }
    .dco-root .dco-loader .r { animation: none; }
}
.dco-root .dco-stages { display: flex; align-items: center; flex-wrap: wrap; row-gap: 0.4rem; }
.dco-root .dco-stage { display: inline-flex; align-items: center; gap: 0.4rem; font-size: 0.8rem; font-weight: 700; color: var(--dco-muted); }
.dco-root .dco-dot { display: inline-flex; align-items: center; justify-content: center; padding: 6px; border-radius: 50%; background: var(--dco-card); border: 1px solid var(--dco-line); color: var(--dco-muted); }
.dco-root .dco-dot svg { width: 18px; height: 18px; display: block; }
.dco-root .dco-stage.active { color: var(--dco-text-1); }
.dco-root .dco-stage.active .dco-dot { background: var(--dco-go); border-color: var(--dco-go); color: #fff; }
.dco-root .dco-stage.done .dco-dot { background: #339966; border-color: #339966; color: #fff; }
.dco-root .dco-stage-line { width: 28px; height: 2px; margin: 0 0.5rem; border-radius: 2px; background: var(--dco-line); flex-shrink: 0; }
.dco-root .dco-stage-line.done { background: #339966; }
.dco-root .dco-prog-head { display: flex; align-items: baseline; justify-content: space-between; gap: 0.75rem; margin-top: 0.85rem; }
.dco-root .dco-prog-text { font-size: 0.86rem; color: var(--dco-text-2); min-width: 0; overflow-wrap: anywhere; }
.dco-root .dco-prog-pct { font-size: 0.95rem; font-weight: 800; color: var(--dco-text-1); font-variant-numeric: tabular-nums; }
.dco-root .dco-bar { position: relative; height: 8px; margin-top: 0.5rem; border-radius: 999px; background: var(--dco-line); overflow: hidden; }
.dco-root .dco-bar-fill { position: absolute; inset: 0 auto 0 0; width: 0; background: var(--dco-go); border-radius: 999px; transition: width 0.2s; }
.dco-root .dco-prog-meta { display: flex; flex-wrap: wrap; gap: 0.3rem 1rem; margin-top: 0.55rem; font-size: 0.8rem; color: var(--dco-muted); font-variant-numeric: tabular-nums; }
.dco-root .dco-prog-meta strong { color: var(--dco-text-1); }

/* ---------- result head ---------- */
.dco-root .dco-filehead { display: flex; align-items: center; gap: 0.8rem; flex-wrap: wrap; }
.dco-root .dco-fileicon { width: 44px; height: 44px; border-radius: 12px; flex-shrink: 0; display: flex; align-items: center; justify-content: center; background: var(--dco-accent-soft); color: var(--dco-accent); }
.dco-root .dco-fileicon svg { width: 22px; height: 22px; }
.dco-root .dco-filetext { flex: 1; min-width: 0; }
.dco-root .dco-filetext h2 { margin: 0; font-size: 1.05rem; line-height: 1.35; color: var(--dco-text-1); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; outline: none; }
.dco-root .dco-filetext span { display: block; font-size: 0.82rem; color: var(--dco-muted); overflow-wrap: anywhere; }
.dco-root .dco-badges { display: flex; flex-wrap: wrap; gap: 0.35rem; }
.dco-root .dco-badge { display: inline-flex; align-items: center; gap: 0.35rem; padding: 0.25rem 0.7rem; border-radius: 999px; font-size: 0.8rem; font-weight: 700; white-space: nowrap; background: var(--dco-sunk); border: 1px solid var(--dco-line); color: var(--dco-text-2); }
.dco-root .dco-badge svg { width: 14px; height: 14px; }
.dco-root .dco-badge.is-ok { background: var(--dco-green-soft); border-color: var(--dco-green-line); color: var(--dco-green); }
.dco-root .dco-badge.is-warn { background: var(--dco-warn-soft); border-color: var(--dco-warn-line); color: var(--dco-warn); }
.dco-root .dco-badge.is-bad { background: var(--dco-red-soft); border-color: var(--dco-red-line); color: var(--dco-red); }
.dco-root .dco-badge.is-blue { background: var(--dco-accent-soft); border-color: var(--dco-accent-line); color: var(--dco-accent-strong); }
[data-theme="dark"] .dco-root .dco-badge.is-blue { color: var(--dco-accent); }

/* notes */
.dco-root .dco-notes { display: grid; gap: 0.5rem; margin-top: 0.85rem; }
.dco-root .dco-note { display: flex; gap: 0.6rem; align-items: flex-start; padding: 0.65rem 0.9rem; border-radius: 12px; font-size: 0.87rem; line-height: 1.5; color: var(--dco-text-1); background: rgba(51, 153, 204, 0.08); border: 1px solid rgba(51, 153, 204, 0.3); }
.dco-root .dco-note.is-warn { background: var(--dco-warn-soft); border-color: var(--dco-warn-line); }
.dco-root .dco-note.is-bad { background: var(--dco-red-soft); border-color: var(--dco-red-line); }
.dco-root .dco-note.is-ok { background: var(--dco-green-soft); border-color: var(--dco-green-line); }
.dco-root .dco-note > svg { width: 18px; height: 18px; flex-shrink: 0; margin-top: 1px; color: var(--dco-accent); }
.dco-root .dco-note.is-warn > svg { color: var(--dco-warn); }
.dco-root .dco-note.is-bad > svg { color: var(--dco-red); }
.dco-root .dco-note.is-ok > svg { color: var(--dco-green); }
.dco-root .dco-note > div { flex: 1; min-width: 0; }
.dco-root .dco-note p { margin: 0; overflow-wrap: anywhere; }
.dco-root .dco-note p + p { margin-top: 0.3rem; }
.dco-root .dco-note a { color: var(--dco-accent-strong); font-weight: 600; }
[data-theme="dark"] .dco-root .dco-note a { color: var(--dco-accent); }
.dco-root .dco-note-actions { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: 0.5rem; }

/* tabs */
.dco-root .dco-tabs { display: flex; gap: 0.25rem; margin-top: 1rem; border-bottom: 1px solid var(--dco-line); }
.dco-root .dco-tabs button { display: inline-flex; align-items: center; gap: 0.4rem; width: auto; margin: 0 0 -1px; padding: 0.55rem 0.9rem; border: 1px solid transparent; border-bottom: none; border-radius: 10px 10px 0 0; background: none; color: var(--dco-muted); font-weight: 700; font-size: 0.9rem; cursor: pointer; }
.dco-root .dco-tabs button svg { width: 16px; height: 16px; }
.dco-root .dco-tabs button[aria-selected="true"] { color: var(--dco-accent-strong); background: var(--dco-card); border-color: var(--dco-line); }
[data-theme="dark"] .dco-root .dco-tabs button[aria-selected="true"] { color: var(--dco-accent); }
.dco-root .dco-pane { padding-top: 0.9rem; min-width: 0; }

/* ---------- text view ---------- */
.dco-root .dco-toolbar { display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap; }
.dco-root .dco-search { flex: 1; min-width: 240px; display: flex; align-items: center; gap: 0.2rem; height: 42px; padding: 0 0.3rem 0 0.7rem; border-radius: 10px; border: 1px solid var(--dco-line); background: var(--input-bg, #fff); box-sizing: border-box; }
[data-theme="dark"] .dco-root .dco-search, [data-theme="dark"] .dco-root .dco-input { background: var(--dco-bg); }
.dco-root .dco-search:focus-within { border-color: var(--dco-accent); box-shadow: 0 0 0 3px var(--dco-accent-soft); }
.dco-root .dco-search > svg { width: 16px; height: 16px; color: var(--dco-muted); flex-shrink: 0; }
.dco-root .dco-search input { flex: 1; min-width: 0; width: auto; height: 100%; border: none; background: none; outline: none; box-shadow: none; color: var(--dco-text-1); font-size: 0.9rem; padding: 0 0 0 0.4rem; margin: 0; }
.dco-root .dco-search input::-webkit-search-cancel-button { -webkit-appearance: none; appearance: none; display: none; }
.dco-root .dco-flag { display: inline-flex; align-items: center; justify-content: center; width: auto; min-width: 28px; height: 28px; padding: 0 0.3rem; margin: 0; border: 1px solid transparent; border-radius: 6px; background: none; color: var(--dco-muted); font: 700 0.75rem var(--dco-mono); cursor: pointer; flex-shrink: 0; }
.dco-root .dco-flag:hover { color: var(--dco-text-1); }
.dco-root .dco-flag[aria-pressed="true"] { border-color: var(--dco-accent); background: var(--dco-accent-soft); color: var(--dco-accent-strong); }
[data-theme="dark"] .dco-root .dco-flag[aria-pressed="true"] { color: var(--dco-accent); }
.dco-root .dco-count { font-size: 0.76rem; color: var(--dco-muted); white-space: nowrap; font-variant-numeric: tabular-nums; max-width: 170px; overflow: hidden; text-overflow: ellipsis; }
.dco-root .dco-count.is-none { color: var(--dco-red); }
.dco-root .dco-sep { width: 1px; height: 20px; background: var(--dco-line); flex-shrink: 0; }

.dco-root .dco-panel { position: relative; margin-top: 0.75rem; border: 1px solid var(--dco-line); border-radius: 14px; overflow: hidden; background: var(--dco-bg); }
.dco-root .dco-view { --dco-gd: 3ch; position: relative; height: 520px; overflow: auto; outline: none; overscroll-behavior: contain; background: var(--dco-bg); color: var(--dco-fg); font: 13px/20px var(--dco-mono); tab-size: 4; -moz-tab-size: 4; }
.dco-root .dco-view:focus-visible { box-shadow: inset 0 0 0 2px var(--dco-accent-line); }
.dco-root .dco-space { position: relative; min-width: 100%; }
.dco-root .dco-win { position: absolute; top: 0; left: 0; min-width: 100%; width: max-content; will-change: transform; }
.dco-root .dco-l { display: flex; height: 20px; }
.dco-root .dco-g { position: sticky; left: 0; z-index: 1; flex-shrink: 0; min-width: calc(var(--dco-gd) + 1.4rem); padding: 0 0.7rem 0 0.5rem; box-sizing: border-box; text-align: right; background: var(--dco-gut); color: var(--dco-gut-t); border-right: 1px solid var(--dco-gut-line); user-select: none; -webkit-user-select: none; font-size: 0.85em; font-variant-numeric: tabular-nums; }
.dco-root .dco-c { padding: 0 1.4rem 0 0.75rem; white-space: pre; }
.dco-root .dco-l.is-cur { background: var(--dco-accent-soft); }
.dco-root .dco-trunc { color: var(--dco-muted); font-style: italic; font-family: system-ui, sans-serif; font-size: 0.82em; }
.dco-root mark.dco-hit { background: var(--dco-hit); color: inherit; border-radius: 2px; padding: 0; }
.dco-root mark.dco-hit.is-cur { background: var(--dco-hit-cur); color: #111; box-shadow: 0 0 0 1px rgba(202, 138, 4, 0.8); }
.dco-root .dco-status { display: flex; justify-content: space-between; gap: 0.5rem 1rem; flex-wrap: wrap; padding: 0.35rem 0.85rem; border-top: 1px solid var(--dco-line); background: var(--dco-sunk); font-size: 0.76rem; color: var(--dco-muted); font-variant-numeric: tabular-nums; }
.dco-root .dco-status span { min-width: 0; overflow-wrap: anywhere; }

/* ---------- hex + image ---------- */
.dco-root .dco-hex { margin: 0; padding: 0.75rem 0.9rem; max-height: 460px; overflow: auto; font: 12.5px/1.6 var(--dco-mono); color: var(--dco-fg); background: var(--dco-bg); white-space: pre; }
.dco-root .dco-hex .a { color: var(--dco-hex-addr); }
.dco-root .dco-hex .z { color: var(--dco-hex-zero); }
.dco-root .dco-hex .t { color: var(--dco-accent-strong); }
[data-theme="dark"] .dco-root .dco-hex .t { color: var(--dco-accent); }
.dco-root .dco-img { display: flex; flex-direction: column; align-items: center; gap: 0.5rem; padding: 1rem; background-color: var(--dco-sunk); background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20'%3E%3Crect width='10' height='10' fill='%2394a3b8' fill-opacity='.18'/%3E%3Crect x='10' y='10' width='10' height='10' fill='%2394a3b8' fill-opacity='.18'/%3E%3C/svg%3E"); }
.dco-root .dco-img img { display: block; max-width: 100%; max-height: 480px; height: auto; image-rendering: auto; }
.dco-root .dco-img figcaption { font-size: 0.8rem; color: var(--dco-muted); }

/* ---------- TAR browser ---------- */
.dco-root .dco-tar-bar { display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap; }
.dco-root .dco-tar-sum { font-size: 0.82rem; color: var(--dco-muted); }
.dco-root .dco-tar-sum strong { color: var(--dco-text-1); }
.dco-root .dco-tar-grid { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: 0.75rem; margin-top: 0.75rem; }
.dco-root .dco-tree { position: relative; height: 440px; overflow: auto; border: 1px solid var(--dco-line); border-radius: 14px; background: var(--dco-card); outline: none; overscroll-behavior: contain; }
.dco-root .dco-tree:focus-visible { box-shadow: 0 0 0 3px var(--dco-accent-soft); border-color: var(--dco-accent); }
.dco-root .dco-tree-space { position: relative; }
.dco-root .dco-row { position: absolute; left: 0; right: 0; height: 34px; display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 0.5rem; padding: 0 0.6rem 0 0; box-sizing: border-box; cursor: pointer; font-size: 0.86rem; color: var(--dco-text-1); border-bottom: 1px solid transparent; }
.dco-root .dco-row:hover { background: var(--dco-open); }
.dco-root .dco-row.is-sel { background: var(--dco-accent-soft); }
.dco-root .dco-row.is-focus { box-shadow: inset 0 0 0 2px var(--dco-accent-line); }
.dco-root .dco-row-name { display: flex; align-items: center; gap: 0.35rem; min-width: 0; }
.dco-root .dco-row-name > span:last-child { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; min-width: 0; }
.dco-root .dco-row-name svg { width: 16px; height: 16px; flex-shrink: 0; color: var(--dco-muted); }
.dco-root .dco-row-name svg.is-dir { color: var(--dco-accent); }
.dco-root .dco-chev { display: inline-flex; width: 18px; justify-content: center; flex-shrink: 0; }
.dco-root .dco-chev svg { width: 14px; height: 14px; transition: transform 0.15s; }
.dco-root .dco-row.is-open .dco-chev svg { transform: rotate(90deg); }
.dco-root .dco-row-meta { font-size: 0.76rem; color: var(--dco-muted); white-space: nowrap; font-variant-numeric: tabular-nums; }
.dco-root .dco-row-meta .dco-dim { opacity: 0.8; margin-left: 0.6rem; }
.dco-root .dco-tree-empty { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 0.4rem; color: var(--dco-muted); font-size: 0.88rem; pointer-events: none; }
.dco-root .dco-tree-empty svg { width: 28px; height: 28px; color: var(--dco-accent); }
.dco-root .dco-fpanel { min-width: 0; display: flex; flex-direction: column; border: 1px solid var(--dco-line); border-radius: 14px; background: var(--dco-card); overflow: hidden; height: 440px; }
.dco-root .dco-fhead { display: flex; align-items: flex-start; gap: 0.6rem; padding: 0.75rem 0.85rem; border-bottom: 1px solid var(--dco-line); }
.dco-root .dco-fhead > svg { width: 20px; height: 20px; color: var(--dco-accent); flex-shrink: 0; margin-top: 2px; }
.dco-root .dco-fhead > div { flex: 1; min-width: 0; }
.dco-root .dco-fhead strong { display: block; font-size: 0.92rem; color: var(--dco-text-1); overflow-wrap: anywhere; }
.dco-root .dco-fhead span { display: block; font-size: 0.76rem; color: var(--dco-muted); overflow-wrap: anywhere; }
.dco-root .dco-fbody { flex: 1; min-height: 0; overflow: auto; background: var(--dco-bg); }
.dco-root .dco-fbody pre { margin: 0; padding: 0.7rem 0.85rem; font: 12.5px/1.55 var(--dco-mono); color: var(--dco-fg); white-space: pre; tab-size: 4; }
.dco-root .dco-fbody .dco-img { min-height: 100%; box-sizing: border-box; justify-content: center; }
.dco-root .dco-fbody .dco-img img { max-height: 320px; }
.dco-root .dco-fbody .dco-hex { max-height: none; }
.dco-root .dco-fempty { height: 100%; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 0.45rem; padding: 1.5rem; text-align: center; color: var(--dco-muted); font-size: 0.88rem; box-sizing: border-box; background: var(--dco-card); }
.dco-root .dco-fempty svg { width: 30px; height: 30px; color: var(--dco-accent); }
.dco-root .dco-fempty strong { color: var(--dco-text-1); }
.dco-root .dco-factions { display: flex; flex-wrap: wrap; gap: 0.4rem; padding: 0.6rem 0.85rem; border-top: 1px solid var(--dco-line); background: var(--dco-open); }
.dco-root .dco-input { flex: 1; min-width: 160px; height: 38px; padding: 0 0.7rem; margin: 0; border: 1px solid var(--dco-line); border-radius: 10px; background: var(--input-bg, #fff); color: var(--dco-text-1); font-size: 0.88rem; box-sizing: border-box; }
.dco-root .dco-input:focus { outline: none; border-color: var(--dco-accent); box-shadow: 0 0 0 3px var(--dco-accent-soft); }

/* ---------- details ---------- */
.dco-root .dco-dl { display: grid; grid-template-columns: minmax(0, 220px) minmax(0, 1fr); margin: 0; border: 1px solid var(--dco-line); border-radius: 12px; overflow: hidden; }
.dco-root .dco-dl dt, .dco-root .dco-dl dd { margin: 0; padding: 0.55rem 0.85rem; border-bottom: 1px solid var(--dco-line); font-size: 0.87rem; line-height: 1.45; min-width: 0; overflow-wrap: anywhere; }
.dco-root .dco-dl dt { background: var(--dco-open); color: var(--dco-text-2); font-weight: 600; }
.dco-root .dco-dl dd { color: var(--dco-text-1); }
.dco-root .dco-dl dt:last-of-type, .dco-root .dco-dl dd:last-of-type { border-bottom: none; }
.dco-root .dco-dl .dco-sec { grid-column: 1 / -1; padding: 0.5rem 0.85rem; background: var(--dco-sunk); color: var(--dco-muted); font-size: 0.72rem; font-weight: 800; letter-spacing: 0.06em; text-transform: uppercase; border-bottom: 1px solid var(--dco-line); }
.dco-root .dco-ok { color: var(--dco-green); font-weight: 700; white-space: nowrap; }
.dco-root .dco-ok svg { width: 15px; height: 15px; vertical-align: -2px; }
.dco-root .dco-bad { color: var(--dco-red); font-weight: 700; }
.dco-root .dco-mono { font-family: var(--dco-mono); font-size: 0.85em; }
.dco-root .dco-table-wrap { overflow-x: auto; border: 1px solid var(--dco-line); border-radius: 10px; margin-top: 0.9rem; }
.dco-root .dco-table { width: 100%; border-collapse: collapse; font-size: 0.86rem; min-width: 480px; margin: 0; }
.dco-root .dco-table th, .dco-root .dco-table td { padding: 0.5rem 0.75rem; text-align: left; border-bottom: 1px solid var(--dco-line); color: var(--dco-text-2); vertical-align: top; }
.dco-root .dco-table th { background: var(--dco-sunk); color: var(--dco-text-1); font-weight: 700; font-size: 0.8rem; }
.dco-root .dco-table tr:last-child td { border-bottom: none; }
.dco-root .dco-table td.num { text-align: right; font-variant-numeric: tabular-nums; }

/* action bar */
.dco-root .dco-actionbar { display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap; margin-top: 1.1rem; padding-top: 1rem; border-top: 1px solid var(--dco-line); }
.dco-root .dco-actionbar .dco-btn-ghost { min-height: 40px; padding: 0.4rem 0.75rem; font-size: 0.86rem; gap: 0.35rem; }
.dco-root .dco-actionbar .dco-btn-ghost svg { width: 16px; height: 16px; }
.dco-root .dco-actionbar .dco-spacer { flex: 1; }
.dco-root .dco-dl-hint { font-weight: 600; font-size: 0.8rem; opacity: 0.85; }

/* toast */
.dco-root .dco-toast { position: fixed; left: 50%; bottom: 28px; transform: translateX(-50%); z-index: 10003; max-width: calc(100vw - 32px); box-sizing: border-box; padding: 0.55rem 1rem; border-radius: 10px; background: #1e293b; color: #fff; font-size: 0.86rem; font-weight: 600; box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25); transition: opacity 0.25s; text-align: center; }
[data-theme="dark"] .dco-root .dco-toast { background: #e2e8f0; color: #0f172a; }
.dco-root .dco-toast.is-out { opacity: 0; }

/* ---------- content ---------- */
.dco-root .dco-info { margin-top: 2rem; display: grid; grid-template-columns: minmax(0, 1fr); gap: 1.25rem; }
.dco-root .dco-info > * { min-width: 0; }
.dco-root .dco-info-card { background: var(--bg-elevated, #fff); border: 1px solid var(--dco-line); border-radius: var(--radius-md, 12px); padding: 1.4rem 1.5rem; }
.dco-root .dco-info-card h2 { display: flex; align-items: center; gap: 0.55rem; margin: 0 0 0.9rem; font-size: 1.25rem; color: var(--dco-text-1); }
.dco-root .dco-info-card h2 svg { width: 22px; height: 22px; color: var(--dco-accent); flex-shrink: 0; }
.dco-root .dco-info-card h3 { margin: 1.2rem 0 0.5rem; font-size: 1.05rem; color: var(--dco-text-1); }
.dco-root .dco-info-card p, .dco-root .dco-info-card li { color: var(--dco-text-2); line-height: 1.65; font-size: 0.97rem; }
.dco-root .dco-info-card p { margin: 0.8rem 0 0; }
.dco-root .dco-info-card h2 + p { margin-top: 0; }
.dco-root .dco-info a { color: var(--dco-accent-strong); font-weight: 500; }
[data-theme="dark"] .dco-root .dco-info a { color: var(--dco-accent); }
.dco-root .dco-steps, .dco-root .dco-list { margin: 0; padding-left: 1.3rem; display: grid; gap: 0.45rem; }
.dco-root .dco-features { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.75rem; }
.dco-root .dco-feature { padding: 0.9rem 1rem; border-radius: 12px; border: 1px solid var(--dco-line); background: var(--dco-open); min-width: 0; }
.dco-root .dco-feature > svg { width: 20px; height: 20px; color: var(--dco-accent); }
.dco-root .dco-info-card .dco-feature h3 { margin: 0.35rem 0 0.2rem; font-size: 0.95rem; }
.dco-root .dco-info-card .dco-feature p { margin: 0; font-size: 0.88rem; line-height: 1.55; }
.dco-root .dco-cmd { margin: 0.8rem 0 0; padding: 0.7rem 0.9rem; border-radius: 10px; background: var(--dco-sunk); border: 1px solid var(--dco-line); font: 0.86rem/1.6 var(--dco-mono); color: var(--dco-text-1); overflow-x: auto; white-space: pre; }

/* ---------- responsive ---------- */
@media (max-width: 860px) {
    .dco-root .dco-tar-grid { grid-template-columns: minmax(0, 1fr); }
    .dco-root .dco-tree { height: 360px; }
    .dco-root .dco-fpanel { height: auto; max-height: 520px; }
    .dco-root .dco-fbody { min-height: 160px; max-height: 340px; }
}
@media (max-width: 600px) {
    .dco-root.tool-container { padding: 1.1rem 16px; }
    .dco-root .tool-title { font-size: 1.55rem; }
    .dco-root .dco-title-icon { width: 46px; height: 46px; border-radius: 13px; }
    .dco-root .dco-title-icon svg { width: 25px; height: 25px; }
    .dco-root .tool-description { font-size: 0.98rem; }
    .dco-root .dco-card { padding: 1rem; border-radius: 16px; }
    .dco-root .dco-drop { min-height: 160px; }
    .dco-root .dco-search { min-width: 0; flex-basis: 100%; }
    .dco-root .dco-count { max-width: 90px; }
    .dco-root .dco-view { height: 420px; }
    .dco-root .dco-c { padding-right: 0.9rem; }
    .dco-root .dco-actionbar .dco-spacer { display: none; }
    .dco-root .dco-actionbar .dco-go { flex: 1 1 100%; order: -1; }
    .dco-root .dco-actionbar .dco-btn-ghost { flex: 1 1 calc(50% - 0.5rem); }
    .dco-root .dco-row-meta .dco-dim { display: none; }
    .dco-root .dco-dl { grid-template-columns: minmax(0, 1fr); }
    .dco-root .dco-dl dt { border-bottom: none; padding-bottom: 0.1rem; background: none; font-size: 0.78rem; color: var(--dco-muted); }
    .dco-root .dco-features { grid-template-columns: minmax(0, 1fr); }
    .dco-root .dco-info-card { padding: 1.1rem; }
    .dco-root .dco-stage .dco-lbl { display: none; }
    .dco-root .dco-stage-line { width: 20px; margin: 0 0.3rem; }
    .dco-root .dco-gzres { grid-template-columns: auto minmax(0, 1fr); }
    .dco-root .dco-gzres .dco-btn { grid-column: 1 / -1; }
    .dco-root .dco-tabs button { flex: 1; justify-content: center; }
}

/* keep result cards clear of the sticky site header when scrolled into view */
.dco-root .dco-card, .dco-root .dco-error { scroll-margin-top: 88px; }
.dco-root .dco-error a.dco-btn.dco-go, .dco-root .dco-note a.dco-btn.dco-go { color: #fff; }
.dco-root .dco-error a.dco-btn-ghost, .dco-root .dco-note a.dco-btn-ghost { color: var(--dco-text-2); }

/* text toolbar extras: encoding picker, Format / Table toggles, CSV table */
.dco-root .dco-vh { position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.dco-root .dco-btn[aria-pressed="true"] { border-color: var(--dco-accent); background: var(--dco-accent-soft); color: var(--dco-accent-strong); }
[data-theme="dark"] .dco-root .dco-btn[aria-pressed="true"] { color: var(--dco-accent); }
.dco-root .dco-enc { position: relative; display: inline-flex; align-items: center; gap: 0.35rem; min-width: 0; max-width: 230px; height: 36px; padding: 0 0.3rem 0 0.65rem; border: 1px solid var(--dco-line); border-radius: 10px; background: var(--dco-sunk); color: var(--dco-text-2); box-sizing: border-box; margin: 0; }
.dco-root .dco-enc:focus-within { border-color: var(--dco-accent); box-shadow: 0 0 0 3px var(--dco-accent-soft); }
.dco-root .dco-enc > svg { width: 16px; height: 16px; flex-shrink: 0; color: var(--dco-muted); }
.dco-root .dco-enc select { min-width: 0; width: 100%; height: 100%; margin: 0; padding: 0 0.2rem; border: none; outline: none; box-shadow: none; background: transparent; color: var(--dco-text-1); font: inherit; font-size: 0.83rem; cursor: pointer; text-overflow: ellipsis; }
[data-theme="dark"] .dco-root .dco-enc select option { background: #1e293b; color: #e2e8f0; }
.dco-root .dco-csv-scroll { max-height: 560px; overflow: auto; background: var(--dco-bg); }
.dco-root .dco-csv-scroll:focus-visible { outline: 2px solid var(--dco-accent); outline-offset: -2px; }
.dco-root .dco-csv-t { border-collapse: separate; border-spacing: 0; font-size: 0.82rem; color: var(--dco-fg); min-width: 100%; }
.dco-root .dco-csv-t th, .dco-root .dco-csv-t td { padding: 0.32rem 0.7rem; border-bottom: 1px solid var(--dco-gut-line); border-right: 1px solid var(--dco-gut-line); text-align: left; white-space: nowrap; max-width: 360px; overflow: hidden; text-overflow: ellipsis; }
.dco-root .dco-csv-t thead th { position: sticky; top: 0; z-index: 1; background: var(--dco-sunk); color: var(--dco-text-1); font-weight: 700; }
.dco-root .dco-csv-t .dco-csv-n { color: var(--dco-gut-t); background: var(--dco-gut); text-align: right; font-variant-numeric: tabular-nums; position: sticky; left: 0; }
.dco-root .dco-csv-t thead .dco-csv-n { z-index: 2; background: var(--dco-sunk); }
.dco-root .dco-csv-t tbody tr:hover td { background: var(--dco-accent-soft); }
@media (max-width: 600px) {
    .dco-root .dco-enc { max-width: none; flex: 1 1 100%; }
    .dco-root .dco-csv-scroll { max-height: 420px; }
}

/* TAR selection: row checkboxes (span role=checkbox, not an input - the site restyles inputs) + selection bar */
.dco-root .dco-ck { display: inline-flex; align-items: center; justify-content: center; width: 16px; height: 16px; flex-shrink: 0; margin: 0 0.15rem 0 0.1rem; border: 1.5px solid var(--dco-gut-t); border-radius: 4px; background: var(--dco-bg); box-sizing: border-box; cursor: pointer; transition: border-color 0.12s, background 0.12s; }
.dco-root .dco-ck:hover { border-color: var(--dco-accent); }
.dco-root .dco-ck.is-off { visibility: hidden; }
.dco-root .dco-ck[aria-checked="true"], .dco-root .dco-ck[aria-checked="mixed"] { background: var(--dco-accent); border-color: var(--dco-accent); }
.dco-root .dco-row-name .dco-ck svg { width: 12px; height: 12px; color: #fff; stroke-width: 3; }
[data-theme="dark"] .dco-root .dco-row-name .dco-ck svg { color: #0f172a; }
.dco-root .dco-selbar { display: flex; align-items: center; flex-wrap: wrap; gap: 0.5rem; margin-top: 0.6rem; padding: 0.45rem 0.5rem 0.45rem 0.85rem; border: 1px solid var(--dco-accent-line); border-radius: 12px; background: var(--dco-accent-soft); font-size: 0.86rem; color: var(--dco-text-2); }
.dco-root .dco-selbar > span { flex: 1; min-width: 0; }
.dco-root .dco-selbar strong { color: var(--dco-text-1); }
@media (max-width: 600px) {
    .dco-root .dco-selbar > span { flex-basis: 100%; }
}