/* ============================================================================
   Screenshot to PDF (rebuilt 2026-10-12)
   Everything is scoped to .stp (the tool container) or a stp- class.
   Light mode default, dark mode via [data-theme="dark"] on <html>. Accent #e64e4e.
   ========================================================================== */
/* ---------- tokens (accent red #e64e4e - PDF tools) ---------- */
.stp {
    --stp-primary: #e64e4e;
    --stp-primary-dark: #c53030;
    --stp-primary-soft: rgba(230, 78, 78, 0.10);
    --stp-primary-mid: rgba(230, 78, 78, 0.28);
    --stp-btn: #c53030;
    --stp-btn-hover: #a82828;
    --stp-success: #2f855a;
    --stp-success-soft: rgba(51, 153, 102, 0.12);
    --stp-danger: #c53030;
    --stp-danger-soft: rgba(230, 78, 78, 0.10);
    --stp-warning: #b7791f;
    --stp-warning-soft: rgba(245, 158, 11, 0.12);
    --stp-info: #2a87b8;
    --stp-info-soft: rgba(51, 153, 204, 0.12);
    --stp-elevated: var(--bg-elevated, #ffffff);
    --stp-bg-2: #f1f5f9;
    --stp-text: var(--text-primary, #1e293b);
    --stp-text-2: var(--text-secondary, #475569);
    --stp-muted: var(--text-muted, #64748b);
    --stp-border: var(--border-color, #e2e8f0);
    --stp-border-strong: #cbd5e1;
    --stp-checker: #eef2f6;
    --stp-switch-off: #cbd5e1;
    --stp-switch-off-border: #94a3b8;
    --stp-shadow: 0 1px 3px rgba(15, 23, 42, 0.08);
    --stp-shadow-lg: 0 18px 40px rgba(15, 23, 42, 0.18);
    --stp-r-sm: 8px;
    --stp-r-md: 12px;
    --stp-r-lg: 16px;
    --tool-accent: #e64e4e;
    margin: 0 auto;
    padding: 2rem 1rem 3rem;
    color: var(--stp-text);
    box-sizing: border-box;
}
[data-theme="dark"] .stp {
    --stp-primary: #f87171;
    --stp-primary-dark: #fca5a5;
    --stp-primary-soft: rgba(248, 113, 113, 0.14);
    --stp-primary-mid: rgba(248, 113, 113, 0.32);
    --stp-btn: #c53030;
    --stp-btn-hover: #dc4444;
    --stp-success: #4ade80;
    --stp-success-soft: rgba(74, 222, 128, 0.14);
    --stp-danger: #f87171;
    --stp-danger-soft: rgba(248, 113, 113, 0.14);
    --stp-warning: #fbbf24;
    --stp-warning-soft: rgba(251, 191, 36, 0.14);
    --stp-info: #4db8e8;
    --stp-info-soft: rgba(77, 184, 232, 0.15);
    --stp-elevated: var(--bg-elevated, #1e293b);
    --stp-bg-2: #273449;
    --stp-text: var(--text-primary, #f1f5f9);
    --stp-text-2: var(--text-secondary, #cbd5e1);
    --stp-muted: var(--text-muted, #94a3b8);
    --stp-border: var(--border-color, #334155);
    --stp-border-strong: #475569;
    --stp-checker: #2b3a50;
    --stp-switch-off: #475569;
    --stp-switch-off-border: #64748b;
    --stp-shadow: 0 1px 3px rgba(0, 0, 0, 0.35);
    --stp-shadow-lg: 0 18px 40px rgba(0, 0, 0, 0.5);
    --tool-accent: #f87171;
}
.stp *, .stp *::before, .stp *::after { box-sizing: border-box; }
.stp [hidden] { display: none !important; }
.stp button { width: auto; }   /* custom_styles.css makes every button 100% wide under 768px */
.stp a { color: var(--stp-primary-dark); }
[data-theme="dark"] .stp a { color: var(--stp-primary); }
.stp a:hover { text-decoration: underline; }
.stp i[data-lucide], .stp svg.lucide { width: 18px; height: 18px; flex-shrink: 0; }

/* ---------- breadcrumb ---------- */
.stp .stp-crumbs { display: flex; flex-wrap: wrap; align-items: center; gap: 0.3rem; margin: 0 0 1.1rem; padding: 0; list-style: none; font-size: 0.8rem; color: var(--stp-muted); }
.stp .stp-crumbs li { display: inline-flex; align-items: center; gap: 0.3rem; }
.stp .stp-crumbs li + li::before { content: '/'; color: var(--stp-border-strong); }
.stp .stp-crumbs a { color: var(--stp-muted); text-decoration: none; }
.stp .stp-crumbs a:hover { color: var(--stp-primary); text-decoration: underline; }

/* ---------- header ---------- */
.stp .stp-header { text-align: center; margin-bottom: 1.75rem; }
.stp .stp-title-row { display: flex; align-items: center; justify-content: center; gap: 0.85rem; margin-bottom: 0.85rem; }
.stp .stp-title-icon {
    width: 56px; height: 56px; border-radius: var(--stp-r-md);
    background: #e64e4e; color: #fff;
    display: flex; align-items: center; justify-content: center; flex-shrink: 0;
}
.stp .stp-title-icon svg, .stp .stp-title-icon i { width: 28px; height: 28px; display: block; }
.stp .stp-title { margin: 0; color: #e64e4e; font-size: clamp(1.75rem, 4vw, 2.4rem); font-weight: 700; letter-spacing: -0.02em; line-height: 1.15; }
[data-theme="dark"] .stp .stp-title { color: #f87171; }
.stp .stp-desc { max-width: 900px; margin: 0 auto; color: var(--stp-text-2); font-size: 1.05rem; line-height: 1.7; }
.stp .stp-desc + .stp-desc { margin-top: 0.5rem; }

/* ---------- error + notes ---------- */
.stp .stp-error {
    display: flex; gap: 0.75rem; align-items: flex-start;
    background: var(--stp-danger-soft); border: 1px solid var(--stp-danger); color: var(--stp-text);
    border-radius: var(--stp-r-md); padding: 0.85rem 1rem; margin: 0 0 1rem;
}
.stp .stp-error > svg { color: var(--stp-danger); margin-top: 2px; }
.stp .stp-error p { margin: 0; line-height: 1.55; }
.stp .stp-error-body { flex: 1; min-width: 0; overflow-wrap: anywhere; }
.stp .stp-x { background: none; border: 0; color: var(--stp-muted); cursor: pointer; padding: 2px; border-radius: 6px; display: inline-flex; }
.stp .stp-x:hover { color: var(--stp-text); background: var(--stp-bg-2); }
.stp .stp-note {
    display: flex; gap: 0.6rem; align-items: flex-start; margin: 0.75rem 0 0; padding: 0.65rem 0.8rem; border-radius: var(--stp-r-md);
    font-size: 0.86rem; line-height: 1.5; background: var(--stp-info-soft); color: var(--stp-text); border: 1px solid transparent;
}
.stp .stp-note > svg { width: 17px; height: 17px; color: var(--stp-info); margin-top: 1px; }
.stp .stp-note.stp-warn { background: var(--stp-warning-soft); border-color: rgba(245, 158, 11, 0.35); }
.stp .stp-note.stp-warn > svg { color: var(--stp-warning); }
.stp .stp-note.stp-ok { background: var(--stp-success-soft); border-color: rgba(51, 153, 102, 0.35); }
.stp .stp-note.stp-ok > svg { color: var(--stp-success); }
.stp .stp-note p { margin: 0; }

/* ---------- cards ---------- */
.stp .stp-card { background: var(--stp-elevated); border: 1px solid var(--stp-border); border-radius: var(--stp-r-lg); padding: 1.25rem; min-width: 0; }
.stp .stp-grid { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: 1rem; align-items: start; }
.stp .stp-grid > * { min-width: 0; }
.stp .stp-col { display: flex; flex-direction: column; gap: 1rem; min-width: 0; }
.stp .stp-panel-head { display: flex; align-items: center; justify-content: space-between; gap: 0.5rem; margin-bottom: 0.75rem; min-width: 0; flex-wrap: wrap; }
.stp .stp-panel-head h2 { display: flex; align-items: center; gap: 0.45rem; margin: 0; font-size: 1rem; font-weight: 700; color: var(--stp-text); white-space: nowrap; }
.stp .stp-panel-head h2 svg { color: var(--stp-primary); }
.stp .stp-chip {
    display: inline-flex; align-items: center; gap: 0.3rem; font-size: 0.78rem; font-weight: 700; min-width: 0; max-width: 100%;
    color: var(--stp-primary-dark); background: var(--stp-primary-soft); border-radius: 6px; padding: 0.18rem 0.55rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
[data-theme="dark"] .stp .stp-chip { color: var(--stp-primary); }

/* ---------- upload ---------- */
.stp .stp-drop {
    display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 0.45rem;
    min-height: 250px; padding: 2.25rem 1.25rem; text-align: center; cursor: pointer;
    border: 2px dashed var(--stp-border-strong); border-radius: var(--stp-r-lg);
    background: var(--stp-elevated); transition: border-color 0.2s ease, background-color 0.2s ease;
}
.stp .stp-drop:hover, .stp .stp-drop.stp-over, .stp .stp-drop:focus-within { border-color: var(--stp-primary); background: var(--stp-primary-soft); }
.stp .stp-drop-icon { width: 64px; height: 64px; border-radius: 50%; background: var(--stp-primary-soft); color: var(--stp-primary); display: flex; align-items: center; justify-content: center; margin-bottom: 0.35rem; }
.stp .stp-drop-icon svg { width: 30px; height: 30px; }
.stp .stp-drop strong { font-size: 1.2rem; color: var(--stp-text); }
.stp .stp-drop-link { color: var(--stp-primary); text-decoration: underline; text-underline-offset: 3px; }
.stp .stp-drop-sub { color: var(--stp-muted); font-size: 0.92rem; }
.stp .stp-badges { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.5rem; margin-top: 0.6rem; }
.stp .stp-badge { display: inline-flex; align-items: center; gap: 0.35rem; padding: 0.3rem 0.65rem; border-radius: 999px; background: var(--stp-bg-2); color: var(--stp-text-2); font-size: 0.8rem; font-weight: 600; }
.stp .stp-badge svg { width: 14px; height: 14px; color: var(--stp-success); }
.stp .stp-sample-row { display: flex; justify-content: center; gap: 0.5rem; flex-wrap: wrap; margin-top: 0.85rem; }
.stp .stp-reading { display: flex; align-items: center; justify-content: center; gap: 0.6rem; padding: 0.75rem; color: var(--stp-muted); font-size: 0.92rem; }

/* ConvertICO ring loader (same rings as the header logo) */
.stp .stp-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"] .stp .stp-loader { --cico-outer-soft: rgba(242, 83, 78, 0.22); --cico-mid-soft: rgba(49, 174, 119, 0.22); }
.stp .stp-loader circle { fill: none; stroke-width: 72; transform-box: fill-box; transform-origin: center; }
.stp .stp-loader .bp { stroke: var(--cico-outer-soft); }
.stp .stp-loader .gp { stroke: var(--cico-mid-soft); }
.stp .stp-loader .b { stroke: var(--cico-outer); stroke-linecap: round; stroke-dasharray: 35.3 100; animation: stpSpinL 1.3s linear infinite; }
.stp .stp-loader .g { stroke: var(--cico-mid); stroke-linecap: round; stroke-dasharray: 75.8 100; animation: stpSpinR 2.1s linear infinite; }
.stp .stp-loader .r { stroke: var(--cico-inner); animation: stpBreathe 1.3s ease-in-out infinite; }
.stp .stp-loader-sm { width: 18px; height: 18px; }
@keyframes stpSpinL { from { transform: rotate(117deg); } to { transform: rotate(-243deg); } }
@keyframes stpSpinR { from { transform: rotate(36deg); } to { transform: rotate(396deg); } }
@keyframes stpBreathe { 50% { transform: scale(0.9); } }
@media (prefers-reduced-motion: reduce) {
    .stp .stp-loader .b { animation-duration: 4s; }
    .stp .stp-loader .g { animation-duration: 6s; }
    .stp .stp-loader .r { animation: none; }
}

/* ---------- buttons ---------- */
.stp .stp-btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 0.45rem;
    min-height: 44px; padding: 0.6rem 1.15rem; border-radius: var(--stp-r-md); margin: 0;
    font: inherit; font-weight: 600; font-size: 0.95rem; cursor: pointer; text-decoration: none; line-height: 1.2;
    border: 1px solid transparent; transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}
.stp .stp-btn:focus-visible { outline: 2px solid var(--stp-primary); outline-offset: 2px; }
.stp .stp-btn-primary, .stp a.stp-btn-primary { background: var(--stp-btn); color: #fff; }
.stp .stp-btn-primary:hover, .stp a.stp-btn-primary:hover { background: var(--stp-btn-hover); color: #fff; text-decoration: none; }
.stp .stp-btn-primary:disabled { opacity: 0.55; cursor: not-allowed; }
.stp .stp-btn-ghost, .stp a.stp-btn-ghost { background: var(--stp-elevated); color: var(--stp-text); border-color: var(--stp-border-strong); }
.stp .stp-btn-ghost:hover, .stp a.stp-btn-ghost:hover { border-color: var(--stp-primary); color: var(--stp-primary); text-decoration: none; }
.stp .stp-btn-ghost:disabled { opacity: 0.5; cursor: not-allowed; }
.stp .stp-btn-sm { white-space: nowrap; flex-shrink: 0; min-height: 34px; padding: 0.35rem 0.75rem; font-size: 0.85rem; border-radius: var(--stp-r-sm); }
.stp .stp-btn-sm svg { width: 15px; height: 15px; }
.stp .stp-link-btn { background: none; border: 0; padding: 0.25rem; margin: 0; font: inherit; font-size: 0.85rem; color: var(--stp-muted); cursor: pointer; display: inline-flex; align-items: center; gap: 0.3rem; }
.stp .stp-link-btn:hover { color: var(--stp-danger); }
.stp .stp-link-btn svg { width: 15px; height: 15px; }
.stp .stp-icon-btn {
    width: 32px; height: 32px; flex: 0 0 32px; border-radius: 8px; border: 1px solid var(--stp-border); padding: 0; margin: 0;
    background: var(--stp-elevated); color: var(--stp-text-2); display: inline-flex; align-items: center; justify-content: center; cursor: pointer;
}
.stp .stp-icon-btn:hover { border-color: var(--stp-primary); color: var(--stp-primary); }
.stp .stp-icon-btn:disabled { opacity: 0.4; cursor: not-allowed; }
.stp .stp-icon-btn svg { width: 15px; height: 15px; }
.stp .stp-actions { display: flex; justify-content: flex-end; gap: 0.6rem; flex-wrap: wrap; margin-top: 1rem; }
.stp .stp-actions-note { font-size: 0.8rem; color: var(--stp-muted); align-self: center; margin-right: auto; }

/* ---------- form controls ---------- */
.stp .stp-block { background: var(--stp-elevated); border: 1px solid var(--stp-border); border-radius: var(--stp-r-md); padding: 0.9rem 1rem; margin-bottom: 0.875rem; }
.stp .stp-caption { display: block; font-size: 0.7rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: var(--stp-muted); margin: 0 0 0.45rem; }
.stp .stp-seg { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0.35rem; }
.stp .stp-seg-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.stp .stp-seg-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.stp .stp-qcard {
    display: flex; flex-direction: column; align-items: flex-start; gap: 0.1rem; padding: 0.5rem 0.6rem; min-height: 54px; min-width: 0; margin: 0;
    border: 1px solid var(--stp-border-strong); border-radius: var(--stp-r-sm); background: var(--stp-elevated); cursor: pointer; font: inherit; text-align: left; color: var(--stp-text);
}
.stp .stp-qcard > svg { width: 18px; height: 18px; color: var(--stp-primary); margin-bottom: 0.15rem; }
.stp .stp-qcard b { font-size: 0.86rem; }
.stp .stp-qcard span { font-size: 0.72rem; color: var(--stp-muted); line-height: 1.3; }
.stp .stp-qcard:hover { border-color: var(--stp-primary); }
.stp .stp-qcard.stp-on { border-color: var(--stp-primary); background: var(--stp-primary-soft); box-shadow: inset 0 0 0 1px var(--stp-primary); }
.stp .stp-qcard.stp-on b { color: var(--stp-primary-dark); }
[data-theme="dark"] .stp .stp-qcard.stp-on b { color: var(--stp-primary); }
.stp .stp-q {
    min-height: 34px; padding: 0.3rem 0.4rem; border: 1px solid var(--stp-border-strong); border-radius: var(--stp-r-sm); margin: 0;
    background: var(--stp-elevated); color: var(--stp-text); font: inherit; font-size: 0.82rem; font-weight: 600; cursor: pointer; line-height: 1.2;
}
.stp .stp-q small { display: block; font-size: 0.68rem; font-weight: 500; color: var(--stp-muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.stp .stp-q:hover { border-color: var(--stp-primary); }
.stp .stp-q.stp-on { background: var(--stp-primary-soft); border-color: var(--stp-primary); color: var(--stp-primary-dark); }
[data-theme="dark"] .stp .stp-q.stp-on { color: var(--stp-primary); }
.stp .stp-q:disabled { opacity: 0.45; cursor: not-allowed; }
.stp .stp-hint { font-size: 0.8rem; color: var(--stp-muted); margin: 0.45rem 0 0; line-height: 1.45; }
.stp .stp-range { width: 100%; accent-color: var(--stp-primary); margin: 0.2rem 0; }
.stp .stp-range-head { display: flex; justify-content: space-between; gap: 0.5rem; font-size: 0.8rem; color: var(--stp-muted); margin-top: 0.2rem; }
.stp .stp-range-head b { color: var(--stp-primary-dark); font-variant-numeric: tabular-nums; }
[data-theme="dark"] .stp .stp-range-head b { color: var(--stp-primary); }
.stp .stp-range-ends { display: flex; justify-content: space-between; font-size: 0.72rem; color: var(--stp-muted); }
.stp .stp-input, .stp .stp-select {
    width: 100%; min-width: 0; height: 40px; margin: 0; padding: 0 0.7rem; border: 1px solid var(--stp-border-strong); border-radius: var(--stp-r-sm);
    background: var(--input-bg, var(--stp-elevated)); color: var(--stp-text); font: inherit; font-size: 0.92rem;
}
.stp textarea.stp-input { height: auto; padding: 0.55rem 0.7rem; resize: vertical; line-height: 1.5; }
.stp .stp-input:focus, .stp .stp-select:focus { outline: none; border-color: var(--stp-primary); box-shadow: 0 0 0 3px var(--stp-primary-soft); }
.stp .stp-field { min-width: 0; display: flex; flex-direction: column; gap: 0.3rem; }
.stp .stp-field-label { display: flex; align-items: center; gap: 0.35rem; font-size: 0.8rem; font-weight: 700; color: var(--stp-text-2); }
.stp .stp-pair { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 0.6rem; }
.stp .stp-pair > * { min-width: 0; }
.stp .stp-colorrow { display: flex; align-items: center; gap: 0.6rem; font-size: 0.85rem; color: var(--stp-text-2); cursor: pointer; margin: 0; }
.stp .stp-colorrow input[type="color"] { width: 40px; height: 32px; padding: 2px; margin: 0; border: 1px solid var(--stp-border-strong); border-radius: var(--stp-r-sm); background: var(--stp-elevated); cursor: pointer; flex-shrink: 0; }
.stp .stp-colorrow b { color: var(--stp-text); font-variant-numeric: tabular-nums; }

/* ---------- secondary options: one-line rows ---------- */
.stp .stp-adv { background: var(--stp-elevated); border: 1px solid var(--stp-border); border-radius: var(--stp-r-md); overflow: hidden; margin-bottom: 0.875rem; }
.stp .stp-adv-row + .stp-adv-row { border-top: 1px solid var(--stp-border); }
.stp .stp-adv-head {
    width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 0.75rem; min-height: 52px; padding: 0.6rem 0.9rem; margin: 0;
    background: none; border: 0; cursor: pointer; text-align: left; font: inherit; color: var(--stp-text); border-radius: 0;
}
.stp .stp-adv-head:hover { background: var(--stp-bg-2); }
.stp .stp-adv-head:focus-visible { outline: 2px solid var(--stp-primary); outline-offset: -2px; }
.stp .stp-adv-left, .stp .stp-adv-right { display: inline-flex; align-items: center; gap: 0.6rem; min-width: 0; }
.stp .stp-adv-right { flex-shrink: 0; gap: 0.5rem; }
.stp .stp-adv-left > svg { width: 16px; height: 16px; color: var(--stp-primary); }
.stp .stp-adv-text { display: flex; flex-direction: column; min-width: 0; }
.stp .stp-adv-title { font-size: 0.86rem; font-weight: 600; color: var(--stp-text); white-space: nowrap; }
.stp .stp-adv-hint { font-size: 0.75rem; color: var(--stp-muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.stp .stp-adv-value { font-size: 0.76rem; font-weight: 700; color: var(--stp-primary-dark); background: var(--stp-primary-soft); border-radius: 6px; padding: 0.15rem 0.5rem; max-width: 140px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
[data-theme="dark"] .stp .stp-adv-value { color: var(--stp-primary); }
.stp .stp-adv-chev { width: 16px; height: 16px; color: var(--stp-muted); transition: transform 0.2s ease; }
.stp .stp-adv-row.stp-open .stp-adv-chev { transform: rotate(180deg); }
.stp .stp-adv-row.stp-open .stp-adv-head, .stp .stp-adv-row.stp-open .stp-adv-body { background: var(--stp-bg-2); }
.stp .stp-adv-body { padding: 0.25rem 0.9rem 0.9rem; display: flex; flex-direction: column; gap: 0.55rem; }
.stp .stp-subrow { display: flex; align-items: center; justify-content: space-between; gap: 0.75rem; padding-top: 0.35rem; }
.stp .stp-subrow-text { display: flex; flex-direction: column; min-width: 0; }
.stp .stp-subrow-text b { font-size: 0.84rem; color: var(--stp-text); font-weight: 600; }
.stp .stp-subrow-text span { font-size: 0.74rem; color: var(--stp-muted); }

/* switch - must out-specify the site-wide checkbox style in custom_styles.css */
.tool-container input[type="checkbox"].stp-switch {
    -webkit-appearance: none !important; -moz-appearance: none !important; appearance: none !important;
    box-sizing: border-box !important; position: relative !important; display: inline-block !important;
    width: 44px !important; min-width: 44px !important; max-width: 44px !important;
    height: 24px !important; min-height: 24px !important; padding: 0 !important; margin: 0 !important;
    border: 1px solid var(--stp-switch-off-border) !important; border-radius: 999px !important;
    background: var(--stp-switch-off) !important; background-color: var(--stp-switch-off) !important;
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.08) !important; cursor: pointer !important; flex-shrink: 0 !important;
    outline: none !important; vertical-align: middle !important; transition: background-color 0.2s ease, border-color 0.2s ease !important;
}
.tool-container input[type="checkbox"].stp-switch:hover { border-color: var(--stp-primary) !important; }
.tool-container input[type="checkbox"].stp-switch:checked { background: var(--stp-btn) !important; background-color: var(--stp-btn) !important; border-color: var(--stp-btn) !important; box-shadow: none !important; }
.tool-container input[type="checkbox"].stp-switch::after,
.tool-container input[type="checkbox"].stp-switch:checked::after {
    content: '' !important; position: absolute !important; display: block !important; top: 2px !important; left: 2px !important; right: auto !important; bottom: auto !important;
    width: 18px !important; height: 18px !important; margin: 0 !important; padding: 0 !important; font-size: 0 !important; line-height: 0 !important;
    border-radius: 50% !important; border: 1px solid rgba(0, 0, 0, 0.12) !important; background: #fff !important;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.25) !important; transform: none !important; transition: transform 0.2s ease !important;
}
.tool-container input[type="checkbox"].stp-switch:checked::after { transform: translateX(20px) !important; }
.tool-container input[type="checkbox"].stp-switch:focus-visible { outline: 2px solid var(--stp-primary) !important; outline-offset: 2px !important; }

/* ---------- file list ---------- */
.stp .stp-list { display: flex; flex-direction: column; gap: 0.45rem; max-height: 420px; overflow-y: auto; min-width: 0; }
.stp .stp-item { display: flex; align-items: center; gap: 0.6rem; min-width: 0; border: 1px solid var(--stp-border); border-radius: var(--stp-r-md); background: var(--stp-elevated); padding: 0.5rem 0.55rem; }
.stp .stp-item.stp-on { border-color: var(--stp-primary); background: var(--stp-primary-soft); }
.stp .stp-item-icon { width: 38px; height: 38px; flex: 0 0 38px; border-radius: 9px; display: flex; align-items: center; justify-content: center; background: var(--stp-primary-soft); color: var(--stp-primary); }
.stp .stp-item-text { display: flex; flex-direction: column; min-width: 0; gap: 0.1rem; flex: 1; }
.stp .stp-item-name { font-size: 0.88rem; font-weight: 700; color: var(--stp-text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.stp .stp-item-meta { font-size: 0.76rem; color: var(--stp-muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.stp .stp-pill { display: inline-flex; align-items: center; gap: 0.25rem; font-size: 0.72rem; font-weight: 700; padding: 0.12rem 0.5rem; border-radius: 999px; background: var(--stp-bg-2); color: var(--stp-text-2); white-space: nowrap; }
.stp .stp-pill svg { width: 12px; height: 12px; }
.stp .stp-pill.stp-good { background: var(--stp-success-soft); color: var(--stp-success); }
.stp .stp-pill.stp-bad { background: var(--stp-danger-soft); color: var(--stp-danger); }
.stp .stp-pill.stp-warnp { background: var(--stp-warning-soft); color: var(--stp-warning); }

/* ---------- processing overlay ---------- */
.stp .stp-overlay { position: fixed; inset: 0; z-index: 9000; background: rgba(0, 0, 0, 0.6); display: flex; align-items: center; justify-content: center; padding: 1rem; }
.stp .stp-proc { width: 100%; max-width: 420px; min-width: 0; background: var(--stp-elevated); border: 1px solid var(--stp-border); border-radius: var(--stp-r-lg); padding: 1.5rem 1.4rem; box-shadow: var(--stp-shadow-lg); text-align: center; }
.stp .stp-stages { display: flex; align-items: flex-start; justify-content: center; margin-bottom: 1.1rem; }
.stp .stp-stage { display: flex; flex-direction: column; align-items: center; gap: 0.3rem; font-size: 0.72rem; font-weight: 600; color: var(--stp-muted); width: 62px; }
.stp .stp-stage svg { width: 20px; height: 20px; box-sizing: content-box; padding: 6px; border-radius: 50%; background: var(--stp-bg-2); color: var(--stp-muted); }
.stp .stp-stage.stp-active { color: var(--stp-primary); }
.stp .stp-stage.stp-active svg { background: var(--stp-btn); color: #fff; }
.stp .stp-stage.stp-done { color: var(--stp-success); }
.stp .stp-stage.stp-done svg { background: var(--stp-success); color: #fff; }
.stp .stp-conn { width: 28px; height: 2px; background: var(--stp-border-strong); margin-top: 16px; flex-shrink: 0; }
.stp .stp-conn.stp-done { background: var(--stp-success); }
.stp .stp-bar { height: 8px; border-radius: 999px; background: var(--stp-bg-2); overflow: hidden; }
.stp .stp-bar-fill { height: 100%; width: 0; background: var(--stp-primary); border-radius: 999px; transition: width 0.3s ease; }
.stp .stp-proc-row { display: flex; justify-content: space-between; align-items: baseline; gap: 0.75rem; margin-top: 0.6rem; }
.stp .stp-proc-pct { font-weight: 800; color: var(--stp-text); font-size: 1rem; }
.stp .stp-proc-status { color: var(--stp-muted); font-size: 0.86rem; text-align: right; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.stp .stp-proc-file { margin: 0.75rem 0 0; font-size: 0.8rem; color: var(--stp-muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* ---------- results ---------- */
.stp .stp-res-head { display: flex; align-items: center; gap: 0.85rem; margin-bottom: 1rem; }
.stp .stp-res-badge { width: 48px; height: 48px; border-radius: 50%; background: var(--stp-success-soft); color: var(--stp-success); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.stp .stp-res-badge svg { width: 26px; height: 26px; }
.stp .stp-res-head h2 { margin: 0; font-size: 1.3rem; color: var(--stp-text); }
.stp .stp-res-head p { margin: 0.1rem 0 0; color: var(--stp-muted); font-size: 0.9rem; }
.stp .stp-res-bulk { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 1rem; }
.stp .stp-res-list { display: flex; flex-direction: column; gap: 0.5rem; }
.stp .stp-res { display: flex; align-items: center; gap: 0.7rem; flex-wrap: wrap; border: 1px solid var(--stp-border); border-radius: var(--stp-r-md); padding: 0.65rem 0.75rem; background: var(--stp-elevated); min-width: 0; }
.stp .stp-res .stp-item-text { flex: 1 1 200px; }
.stp .stp-res-actions { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-left: auto; }
.stp .stp-stats { display: flex; flex-wrap: wrap; gap: 0.35rem; }
.stp .stp-stat { font-size: 0.76rem; padding: 0.18rem 0.5rem; border-radius: 999px; background: var(--stp-bg-2); color: var(--stp-text-2); white-space: nowrap; }
.stp .stp-stat b { color: var(--stp-text); }
.stp .stp-stat.stp-good { background: var(--stp-success-soft); color: var(--stp-success); }
.stp .stp-stat.stp-good b { color: var(--stp-success); }
.stp .stp-res-note { font-size: 0.84rem; color: var(--stp-muted); margin: 0.9rem 0 0; line-height: 1.55; }

/* ---------- info section ---------- */
.tool-container .stp-info { display: flex; flex-direction: column; gap: 1rem; margin-top: 2rem; }
.stp .stp-info-card { background: var(--stp-elevated); border: 1px solid var(--stp-border); border-radius: var(--stp-r-lg); padding: 1.4rem 1.5rem; min-width: 0; }
.stp .stp-info-card h2 { display: flex; align-items: center; gap: 0.55rem; margin: 0 0 0.85rem; font-size: 1.3rem; color: var(--stp-text); }
.stp .stp-info-card h2 svg { width: 22px; height: 22px; color: var(--stp-primary); }
.stp .stp-info-card h3 { margin: 0 0 0.35rem; font-size: 1rem; color: var(--stp-text); }
.stp .stp-info-card p, .stp .stp-info-card li { color: var(--stp-text-2); line-height: 1.7; font-size: 0.97rem; }
.stp .stp-info-card p { margin: 0 0 0.75rem; }
.stp .stp-info-card p:last-child { margin-bottom: 0; }
.stp .stp-two { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.85rem; margin: 0 0 0.75rem; }
.stp .stp-three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.stp .stp-two > div { background: var(--stp-bg-2); border-radius: var(--stp-r-md); padding: 0.9rem 1rem; min-width: 0; }
.stp .stp-two p { font-size: 0.92rem; margin: 0 0 0.5rem; }
.stp .stp-tag { display: inline-block; font-size: 0.72rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.05em; padding: 0.15rem 0.5rem; border-radius: 6px; background: var(--stp-primary-soft); color: var(--stp-primary-dark); margin-bottom: 0.4rem; }
[data-theme="dark"] .stp .stp-tag { color: var(--stp-primary); }
.stp .stp-ul { margin: 0 0 0.75rem; padding-left: 1.2rem; }
.stp .stp-ul li { margin-bottom: 0.35rem; }
.stp .stp-table-wrap { overflow-x: auto; border: 1px solid var(--stp-border); border-radius: var(--stp-r-md); margin: 0 0 0.75rem; }
.stp .stp-table { width: 100%; border-collapse: collapse; font-size: 0.9rem; min-width: 480px; }
.stp .stp-table th, .stp .stp-table td { text-align: left; padding: 0.6rem 0.8rem; border-bottom: 1px solid var(--stp-border); color: var(--stp-text-2); vertical-align: top; }
.stp .stp-table th { background: var(--stp-bg-2); color: var(--stp-text); font-weight: 700; font-size: 0.82rem; }
.stp .stp-table tr:last-child td { border-bottom: 0; }
.stp .stp-table td:first-child { font-weight: 600; color: var(--stp-text); }
.tool-container.stp .related-tools { margin-top: 1.5rem; }

/* ---------- responsive ---------- */
@media (max-width: 860px) {
    .stp .stp-grid { grid-template-columns: minmax(0, 1fr); }
    .stp .stp-three { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 560px) {
    .stp { padding: 1.25rem 0.75rem 2.5rem; }
    .stp .stp-title-icon { width: 46px; height: 46px; }
    .stp .stp-title-icon svg { width: 24px; height: 24px; }
    .stp .stp-card { padding: 0.9rem; }
    .stp .stp-block { padding: 0.8rem; }
    .stp .stp-pair { grid-template-columns: minmax(0, 1fr); }
    .stp .stp-seg-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .stp .stp-two { grid-template-columns: minmax(0, 1fr); }
    .stp .stp-adv-hint { white-space: normal; }
    .stp .stp-info-card { padding: 1.1rem; }
    .stp .stp-actions .stp-btn { flex: 1 1 auto; }
    .stp .stp-actions-note { width: 100%; }
    .stp .stp-drop { min-height: 210px; padding: 1.6rem 1rem; }
}

/* ============================================================================
   Screenshot to PDF specifics
   ========================================================================== */
.stp .stp-viewer { position: relative; height: 420px; border-radius: var(--stp-r-md); border: 1px solid var(--stp-border); background: var(--stp-bg-2); display: flex; align-items: center; justify-content: center; overflow: hidden; padding: 12px; }
.stp .stp-canvas { display: block; max-width: 100%; max-height: 100%; background: #fff; box-shadow: 0 2px 10px rgba(15, 23, 42, 0.18); }
.stp .stp-head-actions { display: flex; align-items: center; gap: 0.4rem; flex-wrap: wrap; }
.stp .stp-add { cursor: pointer; }
.stp .stp-thumbs { display: grid; grid-template-columns: repeat(auto-fill, minmax(112px, 1fr)); gap: 0.6rem; max-height: 420px; overflow-y: auto; padding: 2px; }
.stp .stp-thumb { position: relative; min-width: 0; border: 2px solid var(--stp-border); border-radius: var(--stp-r-md); background: var(--stp-elevated); overflow: hidden; cursor: grab; }
.stp .stp-thumb.stp-on { border-color: var(--stp-primary); box-shadow: 0 0 0 2px var(--stp-primary-soft); }
.stp .stp-thumb.stp-dragging { opacity: 0.45; }
.stp .stp-thumb.stp-target { border-style: dashed; border-color: var(--stp-primary); }
.stp .stp-thumb-img { display: flex; align-items: center; justify-content: center; width: 100%; height: 120px; padding: 6px; margin: 0; border: 0; background: var(--stp-bg-2); cursor: pointer; position: relative; overflow: hidden; }
.stp .stp-thumb-img img { max-width: 100%; max-height: 100%; display: block; transition: transform 0.2s ease; }
.stp .stp-num { position: absolute; left: 5px; top: 5px; min-width: 22px; height: 22px; padding: 0 5px; border-radius: 999px; background: rgba(15, 23, 42, 0.75); color: #fff; font-size: 0.72rem; font-weight: 800; display: inline-flex; align-items: center; justify-content: center; }
.stp .stp-thumb-bar { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); border-top: 1px solid var(--stp-border); }
.stp .stp-tb { height: 30px; padding: 0; margin: 0; border: 0; background: var(--stp-elevated); color: var(--stp-text-2); cursor: pointer; display: inline-flex; align-items: center; justify-content: center; }
.stp .stp-tb + .stp-tb { box-shadow: inset 1px 0 0 var(--stp-border); }
.stp .stp-tb:hover { color: var(--stp-primary); background: var(--stp-primary-soft); }
.stp .stp-tb:disabled { opacity: 0.35; cursor: not-allowed; background: var(--stp-elevated); color: var(--stp-text-2); }
.stp .stp-tb svg { width: 15px; height: 15px; }
.stp .stp-cap-gap { margin-top: 0.85rem; }
.stp #stpSizeSeg .stp-qcard { min-height: 50px; }
.stp .stp-field { margin-top: 0.2rem; }
.stp .stp-actions-note { display: inline-flex; align-items: center; gap: 0.35rem; }
.stp .stp-actions-note svg { width: 14px; height: 14px; color: var(--stp-success); }
.stp .stp-item-icon svg { width: 18px; height: 18px; }
.stp .stp-res .stp-stats { margin-top: 0.3rem; }
.stp .stp-res-list { max-height: 520px; overflow-y: auto; }
@media (max-width: 860px) { .stp .stp-viewer { height: 340px; } }
@media (max-width: 560px) {
    .stp .stp-viewer { height: 280px; }
    .stp #stpSizeSeg { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .stp .stp-thumbs { grid-template-columns: repeat(auto-fill, minmax(96px, 1fr)); }
    .stp .stp-res-actions { margin-left: 0; width: 100%; }
    .stp .stp-res-actions .stp-btn { flex: 1; }
}