/* ============================================================================
   GIF Color Adjuster (rebuilt 2026-10-12) - base shared with the rebuilt GIF Cutter
   Everything is scoped to .gca (the tool container) or a gca- class.
   Light mode default, dark mode via [data-theme="dark"] on <html>.
   Accent: the page's established blue #3399cc.
   ========================================================================== */

.gca {
    --gca-primary: #3399cc;
    --gca-primary-dark: #1f78a8;
    --gca-primary-soft: rgba(51, 153, 204, 0.12);
    --gca-primary-mid: rgba(51, 153, 204, 0.28);
    --gca-success: #339966;
    --gca-success-soft: rgba(51, 153, 102, 0.12);
    --gca-danger: #e64e4e;
    --gca-danger-soft: rgba(230, 78, 78, 0.10);
    --gca-warning: #b7791f;
    --gca-warning-soft: rgba(245, 158, 11, 0.12);
    --gca-bg: #f8fafc;
    --gca-elevated: #ffffff;
    --gca-bg-2: #f1f5f9;
    --gca-text: #1e293b;
    --gca-text-2: #475569;
    --gca-muted: #64748b;
    --gca-border: #e2e8f0;
    --gca-border-strong: #cbd5e1;
    --gca-checker: #eef2f6;
    --gca-shade: rgba(15, 23, 42, 0.62);
    --gca-switch-off: #cbd5e1;
    --gca-switch-off-border: #94a3b8;
    --gca-shadow: 0 1px 3px rgba(15, 23, 42, 0.08);
    --gca-shadow-lg: 0 18px 40px rgba(15, 23, 42, 0.18);
    --gca-r-sm: 8px;
    --gca-r-md: 12px;
    --gca-r-lg: 16px;
    max-width: 1100px;
    margin: 0 auto;
    padding: 2rem 1rem 3rem;
    color: var(--gca-text);
    box-sizing: border-box;
}

[data-theme="dark"] .gca {
    --gca-primary: #4db8e8;
    --gca-primary-dark: #7cccf0;
    --gca-primary-soft: rgba(77, 184, 232, 0.15);
    --gca-primary-mid: rgba(77, 184, 232, 0.32);
    --gca-success: #4ade80;
    --gca-success-soft: rgba(74, 222, 128, 0.14);
    --gca-danger: #f87171;
    --gca-danger-soft: rgba(248, 113, 113, 0.14);
    --gca-warning: #fbbf24;
    --gca-warning-soft: rgba(251, 191, 36, 0.14);
    --gca-bg: #0f172a;
    --gca-elevated: #1e293b;
    --gca-bg-2: #273449;
    --gca-text: #f1f5f9;
    --gca-text-2: #cbd5e1;
    --gca-muted: #94a3b8;
    --gca-border: #334155;
    --gca-border-strong: #475569;
    --gca-checker: #2b3a50;
    --gca-shade: rgba(2, 6, 23, 0.72);
    --gca-switch-off: #475569;
    --gca-switch-off-border: #64748b;
    --gca-shadow: 0 1px 3px rgba(0, 0, 0, 0.35);
    --gca-shadow-lg: 0 18px 40px rgba(0, 0, 0, 0.5);
}

.gca *, .gca *::before, .gca *::after { box-sizing: border-box; }
.gca [hidden] { display: none !important; }
.gca button { width: auto; }   /* custom_styles.css makes every button 100% wide under 768px */
.gca a { color: var(--gca-primary); }
.gca a:hover { color: var(--gca-primary-dark); }
.gca i[data-lucide], .gca svg.lucide { width: 18px; height: 18px; flex-shrink: 0; }

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

/* ---------- error ---------- */
.gca .gca-error {
    display: flex; gap: 0.75rem; align-items: flex-start;
    background: var(--gca-danger-soft); border: 1px solid var(--gca-danger); color: var(--gca-text);
    border-radius: var(--gca-r-md); padding: 0.85rem 1rem; margin: 0 0 1rem;
}
.gca .gca-error > svg { color: var(--gca-danger); margin-top: 2px; }
.gca .gca-error p { margin: 0; line-height: 1.55; }
.gca .gca-error-body { flex: 1; min-width: 0; }
.gca .gca-x { background: none; border: 0; color: var(--gca-muted); cursor: pointer; padding: 2px; border-radius: 6px; display: inline-flex; }
.gca .gca-x:hover { color: var(--gca-text); background: var(--gca-bg-2); }

/* ---------- cards ---------- */
.gca .gca-card {
    background: var(--gca-elevated); border: 1px solid var(--gca-border);
    border-radius: var(--gca-r-lg); padding: 1.25rem; box-shadow: var(--gca-shadow); min-width: 0;
}

/* ---------- upload ---------- */
.gca .gca-drop {
    display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 0.45rem;
    min-height: 260px; padding: 2.25rem 1.25rem; text-align: center; cursor: pointer;
    border: 2px dashed var(--gca-border-strong); border-radius: var(--gca-r-lg);
    background: var(--gca-elevated); transition: border-color 0.2s ease, background-color 0.2s ease;
}
.gca .gca-drop:hover, .gca .gca-drop.gca-over, .gca .gca-drop:focus-within { border-color: var(--gca-primary); background: var(--gca-primary-soft); }
.gca .gca-drop-icon {
    width: 64px; height: 64px; border-radius: 50%; background: var(--gca-primary-soft); color: var(--gca-primary);
    display: flex; align-items: center; justify-content: center; margin-bottom: 0.35rem;
}
.gca .gca-drop-icon svg { width: 30px; height: 30px; }
.gca .gca-drop strong { font-size: 1.25rem; color: var(--gca-text); }
.gca .gca-drop-link { color: var(--gca-primary); text-decoration: underline; text-underline-offset: 3px; }
.gca .gca-drop-sub { color: var(--gca-muted); font-size: 0.92rem; }
.gca .gca-badges { display: flex; flex-wrap: wrap; justify-content: center; gap: 0.5rem; margin-top: 0.6rem; }
.gca .gca-badge {
    display: inline-flex; align-items: center; gap: 0.35rem; padding: 0.3rem 0.65rem; border-radius: 999px;
    background: var(--gca-bg-2); color: var(--gca-text-2); font-size: 0.8rem; font-weight: 600;
}
.gca .gca-badge svg { width: 14px; height: 14px; color: var(--gca-success); }
.gca .gca-reading { display: flex; align-items: center; justify-content: center; gap: 0.6rem; padding: 0.75rem; color: var(--gca-muted); font-size: 0.92rem; }

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

/* recent */
.gca .gca-recent { margin-top: 1rem; }
.gca .gca-recent-head { display: flex; align-items: center; justify-content: space-between; gap: 0.5rem; margin-bottom: 0.65rem; }
.gca .gca-recent-head h2 { display: flex; align-items: center; gap: 0.45rem; margin: 0; font-size: 1rem; color: var(--gca-text); }
.gca .gca-recent-head h2 svg { color: var(--gca-primary); }
.gca .gca-recent-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 0.65rem; }
.gca .gca-recent-item { position: relative; min-width: 0; border: 1px solid var(--gca-border); border-radius: var(--gca-r-md); overflow: hidden; background: var(--gca-elevated); }
.gca .gca-recent-thumb { height: 92px; display: flex; align-items: center; justify-content: center; background: var(--gca-checker); }
.gca .gca-recent-thumb img { max-width: 100%; max-height: 92px; display: block; }
.gca .gca-recent-info { padding: 0.45rem 0.55rem; font-size: 0.78rem; color: var(--gca-muted); display: flex; align-items: center; gap: 0.4rem; }
.gca .gca-recent-text { min-width: 0; flex: 1; }
.gca .gca-recent-name { display: block; color: var(--gca-text); font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.gca .gca-recent-dl {
    flex-shrink: 0; width: 30px; height: 30px; border-radius: 8px; border: 1px solid var(--gca-border);
    background: var(--gca-elevated); color: var(--gca-primary); display: inline-flex; align-items: center; justify-content: center; cursor: pointer;
}
.gca .gca-recent-dl:hover { background: var(--gca-primary-soft); }
.gca .gca-recent-dl svg { width: 15px; height: 15px; }

/* ---------- buttons ---------- */
.gca .gca-btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 0.45rem;
    min-height: 44px; padding: 0.6rem 1.15rem; border-radius: var(--gca-r-md);
    font: inherit; font-weight: 600; font-size: 0.95rem; cursor: pointer; text-decoration: none;
    border: 1px solid transparent; transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}
.gca .gca-btn:focus-visible { outline: 2px solid var(--gca-primary); outline-offset: 2px; }
.gca .gca-btn-primary { background: #2a87b8; color: #fff; }
.gca .gca-btn-primary:hover { background: #1f78a8; color: #fff; }
[data-theme="dark"] .gca .gca-btn-primary { background: #2a87b8; }
[data-theme="dark"] .gca .gca-btn-primary:hover { background: #3399cc; }
.gca .gca-btn-primary:disabled { opacity: 0.55; cursor: not-allowed; }
.gca .gca-btn-ghost { background: var(--gca-elevated); color: var(--gca-text); border-color: var(--gca-border-strong); }
.gca .gca-btn-ghost:hover { border-color: var(--gca-primary); color: var(--gca-primary); }
.gca .gca-btn-ghost:disabled { opacity: 0.5; cursor: not-allowed; }
.gca .gca-btn-sm { white-space: nowrap; flex-shrink: 0; min-height: 34px; padding: 0.35rem 0.75rem; font-size: 0.85rem; border-radius: var(--gca-r-sm); }
.gca .gca-btn-sm svg { width: 15px; height: 15px; }
.gca .gca-link-btn { background: none; border: 0; padding: 0.25rem; font: inherit; font-size: 0.85rem; color: var(--gca-muted); cursor: pointer; display: inline-flex; align-items: center; gap: 0.3rem; }
.gca .gca-link-btn:hover { color: var(--gca-danger); }
.gca .gca-link-btn svg { width: 15px; height: 15px; }

/* ---------- editor ---------- */
.gca .gca-facts { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-bottom: 0.9rem; }
.gca .gca-fact { display: inline-flex; align-items: center; gap: 0.3rem; font-size: 0.8rem; color: var(--gca-text-2); background: var(--gca-elevated); border: 1px solid var(--gca-border); border-radius: 999px; padding: 0.25rem 0.65rem; max-width: 100%; min-width: 0; }
.gca .gca-fact span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; min-width: 0; }
.gca .gca-fact svg { width: 14px; height: 14px; color: var(--gca-primary); }
.gca .gca-fact.gca-fact-name { font-weight: 700; color: var(--gca-text); }

.gca .gca-grid { display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr); gap: 1rem; align-items: start; }
.gca .gca-grid > * { min-width: 0; }
.gca .gca-panel-head { display: flex; align-items: center; justify-content: space-between; gap: 0.5rem; margin-bottom: 0.75rem; min-width: 0; }
.gca .gca-panel-head h2 { display: flex; align-items: center; gap: 0.45rem; margin: 0; font-size: 1rem; font-weight: 700; color: var(--gca-text); white-space: nowrap; }
.gca .gca-panel-head h2 svg { color: var(--gca-primary); }
.gca .gca-chip {
    display: inline-flex; align-items: center; gap: 0.3rem; font-size: 0.78rem; font-weight: 700; min-width: 0;
    color: var(--gca-primary); background: var(--gca-primary-soft); border-radius: 6px; padding: 0.18rem 0.55rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}

/* preview stage */
.gca .gca-stagebox {
    position: relative; height: 320px; border-radius: var(--gca-r-md); border: 1px solid var(--gca-border);
    background-color: var(--gca-bg-2);
    display: flex; align-items: center; justify-content: center; overflow: hidden; padding: 10px;
}
.gca .gca-canvas, .gca .gca-stage-img {
    display: block; max-width: 100%; max-height: 100%;
    background-color: var(--gca-elevated);
    background-image: linear-gradient(45deg, var(--gca-checker) 25%, transparent 25%), linear-gradient(-45deg, var(--gca-checker) 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, var(--gca-checker) 75%), linear-gradient(-45deg, transparent 75%, var(--gca-checker) 75%);
    background-size: 16px 16px; background-position: 0 0, 0 8px, 8px -8px, -8px 0;
}
.gca .gca-canvas.gca-pixel { image-rendering: pixelated; }
.gca .gca-stage-note {
    position: absolute; left: 10px; bottom: 8px; font-size: 0.72rem; color: var(--gca-muted); background: var(--gca-elevated);
    border-radius: 6px; padding: 0.1rem 0.45rem; border: 1px solid var(--gca-border); max-width: calc(100% - 20px);
    white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.gca .gca-stage-badge {
    position: absolute; right: 10px; top: 8px; font-size: 0.72rem; font-weight: 700; color: #fff; background: rgba(15, 23, 42, 0.72);
    border-radius: 6px; padding: 0.12rem 0.5rem; font-variant-numeric: tabular-nums;
}
.gca .gca-transport { display: flex; align-items: center; gap: 0.35rem; margin-top: 0.7rem; flex-wrap: wrap; }
.gca .gca-tbtn {
    width: 38px; height: 38px; border-radius: 10px; border: 1px solid var(--gca-border-strong); background: var(--gca-elevated); color: var(--gca-text);
    display: inline-flex; align-items: center; justify-content: center; cursor: pointer; padding: 0; flex-shrink: 0;
}
.gca .gca-tbtn:hover { border-color: var(--gca-primary); color: var(--gca-primary); }
.gca .gca-tbtn:focus-visible { outline: 2px solid var(--gca-primary); outline-offset: 2px; }
.gca .gca-tbtn svg { width: 17px; height: 17px; }
.gca .gca-tbtn.gca-play { width: 46px; background: var(--gca-primary); border-color: var(--gca-primary); color: #fff; }
.gca .gca-tbtn.gca-play:hover { background: var(--gca-primary-dark); color: #fff; }
[data-theme="dark"] .gca .gca-tbtn.gca-play { background: #2a87b8; border-color: #2a87b8; }
[data-theme="dark"] .gca .gca-tbtn.gca-play:hover { background: #3399cc; }
.gca .gca-clock { margin-left: auto; display: flex; flex-direction: column; align-items: flex-end; font-variant-numeric: tabular-nums; min-width: 0; }
.gca .gca-clock b { font-size: 0.95rem; color: var(--gca-text); white-space: nowrap; }
.gca .gca-clock span { font-size: 0.74rem; color: var(--gca-muted); white-space: nowrap; }
.gca .gca-preview-hint { font-size: 0.78rem; color: var(--gca-muted); margin: 0.55rem 0 0; line-height: 1.45; }

/* mode tabs */
.gca .gca-tabs { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0.3rem; background: var(--gca-bg-2); padding: 0.3rem; border-radius: var(--gca-r-md); margin-bottom: 0.875rem; }
.gca .gca-tab {
    display: inline-flex; align-items: center; justify-content: center; gap: 0.35rem; min-height: 40px; padding: 0.4rem 0.5rem;
    border: 0; border-radius: 9px; background: transparent; color: var(--gca-text-2); font: inherit; font-size: 0.88rem; font-weight: 600; cursor: pointer;
}
.gca .gca-tab svg { width: 16px; height: 16px; }
.gca .gca-tab.gca-on { background: var(--gca-elevated); color: var(--gca-primary); box-shadow: var(--gca-shadow); }
.gca .gca-tab:focus-visible { outline: 2px solid var(--gca-primary); outline-offset: 1px; }

/* main controls */
.gca .gca-block { background: var(--gca-elevated); border: 1px solid var(--gca-border); border-radius: var(--gca-r-md); padding: 0.9rem 1rem; margin-bottom: 0.875rem; }
.gca .gca-caption { display: block; font-size: 0.7rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: var(--gca-muted); margin: 0 0 0.45rem; }
.gca .gca-pair { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 0.75rem; }
.gca .gca-field { min-width: 0; }
.gca .gca-field-label { display: flex; align-items: center; gap: 0.35rem; font-size: 0.8rem; font-weight: 700; color: var(--gca-text-2); margin-bottom: 0.35rem; }
.gca .gca-field-label svg { width: 14px; height: 14px; color: var(--gca-primary); }
.gca .gca-dual { display: grid; grid-template-columns: minmax(0, 1fr); gap: 0.35rem; }
.gca .gca-stepper { display: flex; align-items: stretch; border: 1px solid var(--gca-border-strong); border-radius: var(--gca-r-sm); overflow: hidden; background: var(--gca-elevated); min-width: 0; }
.gca .gca-stepper:focus-within { border-color: var(--gca-primary); box-shadow: 0 0 0 3px var(--gca-primary-soft); }
.gca .gca-stepper button { flex: 0 0 32px; border: 0; background: var(--gca-bg-2); color: var(--gca-text-2); cursor: pointer; display: inline-flex; align-items: center; justify-content: center; padding: 0; }
.gca .gca-stepper button:hover { color: var(--gca-primary); }
.gca .gca-stepper button svg { width: 15px; height: 15px; }
.gca .gca-stepper input {
    flex: 1; min-width: 0; width: 100%; border: 0; background: transparent; color: var(--gca-text); text-align: center;
    font: inherit; font-size: 0.98rem; font-weight: 600; padding: 0.45rem 0.2rem; -moz-appearance: textfield; appearance: textfield; font-variant-numeric: tabular-nums;
}
.gca .gca-stepper input::-webkit-outer-spin-button, .gca .gca-stepper input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.gca .gca-stepper input:focus { outline: none; }
.gca .gca-unit { display: inline-flex; align-items: center; padding: 0 0.45rem; font-size: 0.78rem; color: var(--gca-muted); font-weight: 700; background: var(--gca-bg-2); }
.gca .gca-quick { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0.35rem; margin-top: 0.75rem; }
.gca .gca-q {
    min-height: 36px; padding: 0.3rem 0.25rem; border: 1px solid var(--gca-border-strong); border-radius: var(--gca-r-sm);
    background: var(--gca-elevated); color: var(--gca-text); font: inherit; font-size: 0.82rem; font-weight: 600; cursor: pointer; line-height: 1.2;
}
.gca .gca-q small { display: block; font-size: 0.68rem; font-weight: 500; color: var(--gca-muted); }
.gca .gca-q:hover { border-color: var(--gca-primary); }
.gca .gca-q.gca-on { background: var(--gca-primary-soft); border-color: var(--gca-primary); color: var(--gca-primary); }
.gca .gca-q:disabled { opacity: 0.45; cursor: not-allowed; }
.gca .gca-seg { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0.35rem; }
.gca .gca-seg-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.gca .gca-seg-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.gca .gca-hint { font-size: 0.8rem; color: var(--gca-muted); margin: 0.55rem 0 0; line-height: 1.45; }
.gca .gca-keep { display: flex; align-items: center; gap: 0.45rem; margin-top: 0.7rem; font-size: 0.85rem; color: var(--gca-text-2); line-height: 1.4; }
.gca .gca-keep svg { width: 16px; height: 16px; color: var(--gca-primary); }
.gca .gca-keep b { color: var(--gca-text); }

/* ---------- secondary options: one-line rows ---------- */
.gca .gca-adv { background: var(--gca-elevated); border: 1px solid var(--gca-border); border-radius: var(--gca-r-md); overflow: hidden; margin-bottom: 0.875rem; }
.gca .gca-adv-row + .gca-adv-row { border-top: 1px solid var(--gca-border); }
.gca .gca-adv-head {
    width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 0.75rem; min-height: 52px; padding: 0.6rem 0.9rem;
    background: none; border: 0; cursor: pointer; text-align: left; font: inherit; color: var(--gca-text);
}
.gca .gca-adv-head:hover { background: var(--gca-bg-2); }
.gca .gca-adv-head:focus-visible { outline: 2px solid var(--gca-primary); outline-offset: -2px; }
.gca .gca-adv-left, .gca .gca-adv-right { display: inline-flex; align-items: center; gap: 0.6rem; min-width: 0; }
.gca .gca-adv-right { flex-shrink: 0; gap: 0.5rem; }
.gca .gca-adv-left > svg { width: 16px; height: 16px; color: var(--gca-primary); }
.gca .gca-adv-text { display: flex; flex-direction: column; min-width: 0; }
.gca .gca-adv-title { font-size: 0.86rem; font-weight: 600; color: var(--gca-text); white-space: nowrap; }
.gca .gca-adv-hint { font-size: 0.75rem; color: var(--gca-muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.gca .gca-adv-value {
    font-size: 0.76rem; font-weight: 700; color: var(--gca-primary); background: var(--gca-primary-soft); border-radius: 6px;
    padding: 0.15rem 0.5rem; max-width: 130px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}
.gca .gca-adv-chev { width: 16px; height: 16px; color: var(--gca-muted); transition: transform 0.2s ease; }
.gca .gca-adv-row.gca-open .gca-adv-chev { transform: rotate(180deg); }
.gca .gca-adv-row.gca-open .gca-adv-head, .gca .gca-adv-row.gca-open .gca-adv-body { background: var(--gca-bg-2); }
.gca .gca-adv-body { padding: 0.25rem 0.9rem 0.9rem; display: flex; flex-direction: column; gap: 0.55rem; animation: gcaReveal 0.18s ease; }
@keyframes gcaReveal { from { opacity: 0; transform: translateY(-3px); } to { opacity: 1; transform: none; } }
.gca .gca-qcard {
    display: flex; flex-direction: column; align-items: flex-start; gap: 0.1rem; padding: 0.5rem 0.6rem; min-height: 54px; min-width: 0;
    border: 1px solid var(--gca-border-strong); border-radius: var(--gca-r-sm); background: var(--gca-elevated); cursor: pointer; font: inherit; text-align: left; color: var(--gca-text);
}
.gca .gca-qcard b { font-size: 0.86rem; }
.gca .gca-qcard span { font-size: 0.72rem; color: var(--gca-muted); line-height: 1.3; }
.gca .gca-qcard:hover { border-color: var(--gca-primary); }
.gca .gca-qcard.gca-on { border-color: var(--gca-primary); background: var(--gca-primary-soft); }
.gca .gca-qcard.gca-on b { color: var(--gca-primary); }
.gca .gca-range { width: 100%; accent-color: var(--gca-primary); margin: 0.2rem 0; }
.gca .gca-range-ends { display: flex; justify-content: space-between; font-size: 0.72rem; color: var(--gca-muted); }
.gca .gca-subrow { display: flex; align-items: center; justify-content: space-between; gap: 0.75rem; padding-top: 0.35rem; }
.gca .gca-subrow-text { display: flex; flex-direction: column; min-width: 0; }
.gca .gca-subrow-text b { font-size: 0.84rem; color: var(--gca-text); font-weight: 600; }
.gca .gca-subrow-text span { font-size: 0.74rem; color: var(--gca-muted); }
.gca .gca-switchwrap { display: inline-flex; align-items: center; gap: 0.45rem; flex-shrink: 0; }
.gca .gca-state { font-size: 0.7rem; font-weight: 700; letter-spacing: 0.04em; color: var(--gca-muted); min-width: 26px; text-align: right; }
.gca .gca-state.gca-on { color: var(--gca-primary); }

/* switch - must out-specify the site-wide checkbox style in custom_styles.css */
.tool-container input[type="checkbox"].gca-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(--gca-switch-off-border) !important; border-radius: 999px !important;
    background: var(--gca-switch-off) !important; background-color: var(--gca-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"].gca-switch:hover { border-color: var(--gca-primary) !important; }
.tool-container input[type="checkbox"].gca-switch:checked {
    background: var(--gca-primary) !important; background-color: var(--gca-primary) !important; border-color: var(--gca-primary) !important; box-shadow: none !important;
}
.tool-container input[type="checkbox"].gca-switch::after,
.tool-container input[type="checkbox"].gca-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"].gca-switch:checked::after { transform: translateX(20px) !important; }
.tool-container input[type="checkbox"].gca-switch:focus-visible { outline: 2px solid var(--gca-primary) !important; outline-offset: 2px !important; }

/* summary + guards */
.gca .gca-summary { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0.5rem; background: var(--gca-primary-soft); border-radius: var(--gca-r-md); padding: 0.75rem 0.9rem; }
.gca .gca-sum-item { display: flex; flex-direction: column; min-width: 0; }
.gca .gca-sum-item span { font-size: 0.68rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--gca-muted); font-weight: 700; white-space: nowrap; }
.gca .gca-sum-item b { font-size: 1.02rem; color: var(--gca-primary); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; font-variant-numeric: tabular-nums; }
.gca .gca-guard { display: flex; gap: 0.6rem; align-items: flex-start; margin-top: 0.75rem; padding: 0.65rem 0.8rem; border-radius: var(--gca-r-md); font-size: 0.84rem; line-height: 1.5; background: var(--gca-primary-soft); color: var(--gca-text); border: 1px solid transparent; }
.gca .gca-guard svg { width: 17px; height: 17px; color: var(--gca-primary); margin-top: 1px; }
.gca .gca-guard.gca-warn { background: var(--gca-warning-soft); border-color: rgba(245, 158, 11, 0.35); }
.gca .gca-guard.gca-warn svg { color: var(--gca-warning); }
.gca .gca-guard p { margin: 0; }

/* ---------- processing overlay ---------- */
.gca .gca-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; }
.gca .gca-proc { width: 100%; max-width: 420px; min-width: 0; background: var(--gca-elevated); border: 1px solid var(--gca-border); border-radius: var(--gca-r-lg); padding: 1.5rem 1.4rem; box-shadow: var(--gca-shadow-lg); text-align: center; }
.gca .gca-stages { display: flex; align-items: flex-start; justify-content: center; margin-bottom: 1.1rem; }
.gca .gca-stage { display: flex; flex-direction: column; align-items: center; gap: 0.3rem; font-size: 0.72rem; font-weight: 600; color: var(--gca-muted); width: 62px; }
.gca .gca-stage svg { width: 20px; height: 20px; box-sizing: content-box; padding: 6px; border-radius: 50%; background: var(--gca-bg-2); color: var(--gca-muted); }
.gca .gca-stage.gca-active { color: var(--gca-primary); }
.gca .gca-stage.gca-active svg { background: var(--gca-primary); color: #fff; }
.gca .gca-stage.gca-done { color: var(--gca-success); }
.gca .gca-stage.gca-done svg { background: var(--gca-success); color: #fff; }
.gca .gca-conn { width: 28px; height: 2px; background: var(--gca-border-strong); margin-top: 16px; flex-shrink: 0; }
.gca .gca-conn.gca-done { background: var(--gca-success); }
.gca .gca-bar { height: 8px; border-radius: 999px; background: var(--gca-bg-2); overflow: hidden; }
.gca .gca-bar-fill { height: 100%; width: 0; background: var(--gca-primary); border-radius: 999px; transition: width 0.35s ease; }
.gca .gca-proc-row { display: flex; justify-content: space-between; align-items: baseline; gap: 0.75rem; margin-top: 0.6rem; }
.gca .gca-proc-pct { font-weight: 800; color: var(--gca-text); font-size: 1rem; }
.gca .gca-proc-status { color: var(--gca-muted); font-size: 0.86rem; text-align: right; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.gca .gca-proc-file { margin: 0.75rem 0 0; font-size: 0.8rem; color: var(--gca-muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* ---------- results ---------- */
.gca .gca-res-head { display: flex; align-items: center; gap: 0.85rem; margin-bottom: 1rem; }
.gca .gca-res-badge { width: 48px; height: 48px; border-radius: 50%; background: var(--gca-success-soft); color: var(--gca-success); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.gca .gca-res-badge svg { width: 26px; height: 26px; }
.gca .gca-res-head h2 { margin: 0; font-size: 1.3rem; color: var(--gca-text); }
.gca .gca-res-head p { margin: 0.1rem 0 0; color: var(--gca-muted); font-size: 0.9rem; }
.gca .gca-res-bulk { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-bottom: 1rem; }
.gca .gca-res-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 0.85rem; }
.gca .gca-res-list.gca-single { grid-template-columns: minmax(0, 1fr); }
.gca .gca-res { border: 1px solid var(--gca-border); border-radius: var(--gca-r-md); padding: 0.9rem; background: var(--gca-elevated); min-width: 0; }
.gca .gca-res-title { display: flex; align-items: center; justify-content: space-between; gap: 0.6rem; margin-bottom: 0.7rem; min-width: 0; }
.gca .gca-res-name { font-weight: 700; color: var(--gca-text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; min-width: 0; }
.gca .gca-res-box {
    height: 220px; border-radius: var(--gca-r-sm); border: 1px solid var(--gca-border); overflow: hidden;
    display: flex; align-items: center; justify-content: center;
    background-color: var(--gca-elevated);
    background-image: linear-gradient(45deg, var(--gca-checker) 25%, transparent 25%), linear-gradient(-45deg, var(--gca-checker) 25%, transparent 25%),
        linear-gradient(45deg, transparent 75%, var(--gca-checker) 75%), linear-gradient(-45deg, transparent 75%, var(--gca-checker) 75%);
    background-size: 16px 16px; background-position: 0 0, 0 8px, 8px -8px, -8px 0;
}
.gca .gca-res-list.gca-single .gca-res-box { height: 300px; }
.gca .gca-res-box img { max-width: 100%; max-height: 100%; display: block; }
.gca .gca-stats { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: 0.7rem; }
.gca .gca-stat { font-size: 0.78rem; padding: 0.22rem 0.55rem; border-radius: 999px; background: var(--gca-bg-2); color: var(--gca-text-2); white-space: nowrap; }
.gca .gca-stat b { color: var(--gca-text); }
.gca .gca-stat.gca-good { background: var(--gca-success-soft); color: var(--gca-success); }
.gca .gca-stat.gca-good b { color: var(--gca-success); }
.gca .gca-stat.gca-bad { background: var(--gca-warning-soft); color: var(--gca-warning); }
.gca .gca-stat.gca-bad b { color: var(--gca-warning); }
.gca .gca-res-actions { display: flex; flex-wrap: wrap; gap: 0.5rem; margin-top: 0.75rem; }
.gca .gca-res-note { font-size: 0.8rem; color: var(--gca-muted); margin: 0.85rem 0 0; line-height: 1.5; }
.gca .gca-next { display: flex; flex-wrap: wrap; align-items: center; gap: 0.45rem; margin-top: 1rem; padding-top: 0.9rem; border-top: 1px solid var(--gca-border); font-size: 0.85rem; color: var(--gca-muted); }
.gca .gca-next a { display: inline-flex; align-items: center; gap: 0.3rem; padding: 0.3rem 0.7rem; border-radius: 999px; background: var(--gca-bg-2); text-decoration: none; font-weight: 600; color: var(--gca-text); }
.gca .gca-next a:hover { color: var(--gca-primary); }
.gca .gca-next a svg { width: 14px; height: 14px; color: var(--gca-primary); }


.gca .gca-info { display: flex; flex-direction: column; gap: 1rem; }
.gca .gca-info-card { background: var(--gca-elevated); border: 1px solid var(--gca-border); border-radius: var(--gca-r-lg); padding: 1.4rem 1.5rem; }
.gca .gca-info-card h2 { display: flex; align-items: center; gap: 0.55rem; margin: 0 0 0.85rem; font-size: 1.3rem; color: var(--gca-text); }
.gca .gca-info-card h2 svg { width: 22px; height: 22px; color: var(--gca-primary); }
.gca .gca-info-card h3 { margin: 0 0 0.35rem; font-size: 1rem; color: var(--gca-text); }
.gca .gca-info-card p, .gca .gca-info-card li { color: var(--gca-text-2); line-height: 1.7; font-size: 0.97rem; }
.gca .gca-info-card p { margin: 0 0 0.75rem; }
.gca .gca-info-card p:last-child { margin-bottom: 0; }


.gca .gca-two { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.85rem; }
.gca .gca-three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.gca .gca-two > div { background: var(--gca-bg-2); border-radius: var(--gca-r-md); padding: 0.9rem 1rem; min-width: 0; }
.gca .gca-two p { font-size: 0.92rem; margin: 0 0 0.5rem; }
.gca .gca-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(--gca-primary-soft); color: var(--gca-primary); margin-bottom: 0.4rem; }
.gca .gca-table-wrap { overflow-x: auto; border: 1px solid var(--gca-border); border-radius: var(--gca-r-md); }
.gca .gca-table { width: 100%; border-collapse: collapse; font-size: 0.9rem; min-width: 480px; }
.gca .gca-table th, .gca .gca-table td { text-align: left; padding: 0.6rem 0.8rem; border-bottom: 1px solid var(--gca-border); color: var(--gca-text-2); }
.gca .gca-table th { background: var(--gca-bg-2); color: var(--gca-text); font-weight: 700; font-size: 0.82rem; }
.gca .gca-table tr:last-child td { border-bottom: 0; }
.gca .gca-table td:first-child { font-weight: 600; color: var(--gca-text); white-space: nowrap; }

/* FAQ - open/close is handled site-wide by _footer.php (.faq-item.open) */


/* ---------- responsive ---------- */
@media (max-width: 860px) {
    .gca .gca-grid { grid-template-columns: minmax(0, 1fr); }
    .gca .gca-stagebox { height: 270px; }
    .gca .gca-three { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 560px) {
    .gca { padding: 1.25rem 0.75rem 2.5rem; }
    .gca .gca-title-icon { width: 46px; height: 46px; }
    .gca .gca-title-icon svg { width: 24px; height: 24px; }
    .gca .gca-card { padding: 0.9rem; }
    .gca .gca-block { padding: 0.8rem; }
    .gca .gca-stagebox { height: 230px; }
    .gca .gca-pair { grid-template-columns: minmax(0, 1fr); gap: 0.6rem; }
    .gca .gca-seg-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .gca .gca-two { grid-template-columns: minmax(0, 1fr); }
    .gca .gca-tab { font-size: 0.8rem; padding: 0.4rem 0.3rem; }
    .gca .gca-tab svg { display: none; }
    .gca .gca-adv-hint { white-space: normal; }
    .gca .gca-info-card { padding: 1.1rem; }
    .gca .gca-kbd, .gca .gca-tl-actions kbd { display: none; }
    .gca .gca-actions .gca-btn { flex: 1 1 auto; }
    .gca .gca-res-list { grid-template-columns: minmax(0, 1fr); }
    .gca .gca-res-box { height: 190px; }
    .gca .gca-tbtn { width: 36px; height: 36px; }
    .gca .gca-summary { padding: 0.65rem 0.7rem; }
    .gca .gca-sum-item b { font-size: 0.92rem; }
}

/* ---------- "Edit this GIF": open the result in another GIF tool (added 2026-10-09) ---------- */
.gca .gca-ec { display: flex; flex-direction: column; gap: 0.55rem; min-width: 0; margin: 0.95rem 0 0; padding: 0.8rem 0 0; border-top: 1px dashed var(--gca-border); text-align: left; }
.gca .gca-ec-row { display: flex; flex-wrap: wrap; align-items: center; gap: 0.4rem 0.65rem; min-width: 0; }
.gca .gca-ec-label { display: inline-flex; align-items: center; gap: 0.4rem; min-width: 10.5rem; margin: 0; font-size: 0.84rem; font-weight: 700; color: var(--gca-text); white-space: nowrap; }
.gca .gca-ec-label svg { width: 16px; height: 16px; flex-shrink: 0; color: var(--gca-primary); }
.gca .gca-ec-links { display: flex; flex-wrap: wrap; gap: 0.35rem; min-width: 0; }
.gca a.gca-ec-link {
    display: inline-flex; align-items: center; gap: 0.35rem; min-height: 34px; margin: 0; padding: 0.3rem 0.7rem;
    border: 1px solid var(--gca-border); border-radius: 999px; background: var(--gca-elevated); color: var(--gca-text);
    font-size: 0.85rem; font-weight: 600; line-height: 1.25; text-decoration: none; white-space: nowrap;
    transition: border-color 0.15s ease, background-color 0.15s ease;
}
.gca a.gca-ec-link svg { width: 15px; height: 15px; flex-shrink: 0; color: var(--gca-primary); }
.gca a.gca-ec-link small { font-size: 0.74rem; font-weight: 500; color: var(--gca-muted); }
.gca a.gca-ec-link:hover, .gca a.gca-ec-link:focus-visible { border-color: var(--gca-primary); background: var(--gca-primary-soft); color: var(--gca-text); text-decoration: none; }
.gca a.gca-ec-link:focus-visible { outline: 2px solid var(--gca-primary); outline-offset: 2px; }
.gca a.gca-ec-link.gca-ec-busy { opacity: 0.7; cursor: progress; }
.gca .gca-ec[aria-busy="true"] a.gca-ec-link:not(.gca-ec-busy) { opacity: 0.5; pointer-events: none; }
.gca .gca-ec-msg { margin: 0; font-size: 0.86rem; line-height: 1.5; color: var(--gca-muted); }
.gca .gca-ec-msg[hidden] { display: none !important; }
.gca .gca-ec-msg.gca-ec-bad { padding: 0.55rem 0.75rem; border: 1px solid rgba(245, 158, 11, 0.4); border-radius: var(--gca-r-md); background: rgba(245, 158, 11, 0.1); color: var(--gca-text); }
.gca .gca-ec-msg a { color: var(--gca-primary); }
.gca a.gca-ec-link.gca-ec-more { border-style: dashed; color: var(--gca-muted); }   /* "More" chip (2026-10-09b) */
@media (max-width: 600px) {
    .gca .gca-ec-label { min-width: 0; width: 100%; }
    .gca a.gca-ec-link { padding: 0.3rem 0.6rem; }
}

/* 2026-10-11: breathing room below the shared related-tools chips (main CSS gives them no bottom margin) */
.tool-container .gca-info { margin-top: 2rem; }

/* 2026-10-11: shared .steps-list circles (main CSS) follow the tool accent */
.gca.tool-container { --tool-accent: #3399cc; }

.gca .gca-note {
    display: flex; align-items: center; gap: 0.6rem; margin: 0 0 0.85rem; padding: 0.6rem 0.75rem 0.6rem 0.9rem;
    border: 1px solid rgba(51, 153, 102, 0.35); border-radius: var(--gca-r-md); background: var(--gca-success-soft); color: var(--gca-text); font-size: 0.92rem;
}
.gca .gca-note.gca-hint { border-color: rgba(245, 158, 11, 0.4); background: var(--gca-warning-soft); margin: 0 0 0.85rem; font-size: 0.92rem; }
.gca .gca-note-icon { display: inline-flex; color: var(--gca-success); }
.gca .gca-note.gca-hint .gca-note-icon { color: var(--gca-warning); }
.gca .gca-note > span:nth-child(2) { flex: 1; min-width: 0; overflow-wrap: anywhere; }
.gca .gca-sample-row { text-align: center; margin: 0.75rem 0 0; }
.gca .gca-link-strong { color: var(--gca-primary); font-weight: 600; font-size: 0.92rem; }
.gca .gca-link-strong:hover { color: var(--gca-primary-dark); }
.gca.gca-dropping #gcaEditor .gca-strip { outline: 2px dashed var(--gca-primary); outline-offset: 4px; border-radius: var(--gca-r-md); }

/* slider rows */
.gca .gca-slider { display: grid; grid-template-columns: 7.5rem minmax(0, 1fr) 3.6rem; align-items: center; gap: 0.6rem; margin: 0; font-size: 0.84rem; color: var(--gca-text-2); }
.gca .gca-slider > span { font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.gca .gca-slider b { text-align: right; color: var(--gca-primary); font-variant-numeric: tabular-nums; white-space: nowrap; font-size: 0.82rem; }
.gca .gca-range { margin: 0; min-width: 0; }

/* presets */
.gca .gca-presets { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.gca .gca-preset {
    display: inline-flex; align-items: center; gap: 0.3rem; min-height: 32px; padding: 0.25rem 0.7rem; border-radius: 999px;
    border: 1px solid var(--gca-border-strong); background: var(--gca-elevated); color: var(--gca-text); font: inherit; font-size: 0.82rem; font-weight: 600; cursor: pointer;
}
.gca .gca-preset svg { width: 14px; height: 14px; color: var(--gca-primary); }
.gca .gca-preset:hover { border-color: var(--gca-primary); }
.gca .gca-preset.gca-on { background: #2a87b8; border-color: #2a87b8; color: #fff; }
.gca .gca-preset.gca-on svg { color: #fff; }
.gca .gca-preset-x { display: inline-flex; margin-left: 0.1rem; opacity: 0.7; }
.gca .gca-preset-x:hover { opacity: 1; }
.gca .gca-preset-save { border-style: dashed; color: var(--gca-muted); }

.gca .gca-num { display: inline-flex; align-items: center; gap: 0.4rem; font-weight: 600; font-size: 0.84rem; color: var(--gca-text-2); margin: 0; min-width: 0; }
.gca .gca-num input {
    width: 4.6rem; height: 36px; padding: 0 0.5rem; margin: 0; border: 1px solid var(--gca-border-strong); border-radius: var(--gca-r-sm);
    background: var(--gca-elevated); color: var(--gca-text); font: inherit; font-weight: 600; text-align: center;
}
.gca .gca-num input:focus { outline: none; border-color: var(--gca-primary); box-shadow: 0 0 0 3px var(--gca-primary-soft); }
.gca .gca-pair { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 0.6rem; }
.gca .gca-seg-5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.gca .gca-seg-6 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
.gca .gca-seg-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.gca .gca-adv-body .gca-caption { margin: 0.2rem 0 -0.15rem; }

/* colours */
.gca .gca-colors { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 0.6rem; }
.gca .gca-color {
    display: flex; align-items: center; justify-content: space-between; gap: 0.5rem; margin: 0; padding: 0.35rem 0.4rem 0.35rem 0.7rem;
    border: 1px solid var(--gca-border-strong); border-radius: var(--gca-r-sm); background: var(--gca-elevated); font-size: 0.84rem; font-weight: 600; color: var(--gca-text-2);
}
.gca .gca-color input[type="color"] { width: 40px; height: 28px; padding: 0; margin: 0; border: 1px solid var(--gca-border); border-radius: 6px; background: none; cursor: pointer; }
/* actions + overlay extras */
.gca .gca-actions { display: flex; align-items: center; justify-content: flex-end; gap: 0.6rem; margin-top: 1rem; flex-wrap: wrap; }
.gca .gca-kbd { margin-right: auto; font-size: 0.78rem; color: var(--gca-muted); }
.gca kbd { font: inherit; font-size: 0.72rem; font-weight: 700; padding: 0.05rem 0.35rem; border: 1px solid var(--gca-border-strong); border-bottom-width: 2px; border-radius: 4px; background: var(--gca-elevated); color: var(--gca-text-2); }
.gca .gca-stop { margin-top: 0.6rem; }
.gca .gca-res-box { height: auto; min-height: 200px; max-height: 520px; padding: 10px; }
.gca .gca-res-box img { max-height: 500px; }
.gca .gca-res-actions { margin-top: 0.9rem; }
.gca .gca-steps { margin: 0 0 0.75rem; padding-left: 1.2rem; }
.gca .gca-steps li { margin-bottom: 0.35rem; }


/* ======================= GIF Color Adjuster components (2026-10-12) ======================= */
.gca .gca-block-head { display: flex; align-items: center; justify-content: space-between; gap: 0.5rem; margin-bottom: 0.45rem; }
.gca .gca-block-head .gca-caption { margin: 0; }
.gca .gca-block .gca-slider + .gca-slider { margin-top: 0.45rem; }
.gca .gca-slider b.gca-changed { color: var(--gca-primary); }
.gca .gca-slider b:not(.gca-changed) { color: var(--gca-muted); }
.gca .gca-row-reset { align-self: flex-end; }
.gca .gca-sticky { position: sticky; top: 12px; }
.gca .gca-stagebox { position: relative; height: 340px; touch-action: none; user-select: none; }
.gca .gca-canvas { max-width: none; max-height: none; }
.gca .gca-canvas.gca-pixel { image-rendering: pixelated; }
.gca .gca-stagebox.gca-picking, .gca .gca-stagebox.gca-picking .gca-canvas { cursor: crosshair; }
.gca .gca-split { position: absolute; width: 2px; margin-left: -1px; background: #fff; box-shadow: 0 0 0 1px rgba(15, 23, 42, 0.45); cursor: ew-resize; z-index: 2; }
.gca .gca-split span {
    position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); width: 30px; height: 30px; border-radius: 50%;
    background: #fff; color: #1e293b; display: flex; align-items: center; justify-content: center; box-shadow: 0 1px 4px rgba(15, 23, 42, 0.4);
}
.gca .gca-split span svg { width: 16px; height: 16px; }
.gca .gca-split:focus-visible { outline: 2px solid var(--gca-primary); outline-offset: 2px; }
.gca .gca-stage-badge { top: 8px; right: 10px; }
.gca .gca-views { display: inline-grid; grid-template-columns: repeat(3, auto); gap: 0.2rem; background: var(--gca-bg-2); padding: 0.2rem; border-radius: 9px; }
.gca .gca-view { border: 0; background: transparent; color: var(--gca-text-2); font: inherit; font-size: 0.8rem; font-weight: 600; padding: 0.3rem 0.65rem; border-radius: 7px; cursor: pointer; }
.gca .gca-view.gca-on { background: var(--gca-elevated); color: var(--gca-primary); box-shadow: var(--gca-shadow); }
.gca .gca-view:focus-visible { outline: 2px solid var(--gca-primary); outline-offset: 1px; }
.gca .gca-transport .gca-clock { margin-left: auto; }
.gca .gca-hint kbd, .gca kbd { font: inherit; font-size: 0.72rem; font-weight: 700; padding: 0.02rem 0.32rem; border: 1px solid var(--gca-border-strong); border-bottom-width: 2px; border-radius: 4px; background: var(--gca-elevated); color: var(--gca-text-2); }
.gca .gca-hint { margin: 0.55rem 0 0; }
/* functional colour tracks on the hue / temperature / tint sliders */
.gca .gca-hue .gca-range, .gca .gca-temp .gca-range, .gca .gca-tint .gca-range { -webkit-appearance: none; appearance: none; height: 8px; border-radius: 999px; }
.gca .gca-hue .gca-range { background: linear-gradient(90deg, #ff0000, #ffff00, #00ff00, #00ffff, #0000ff, #ff00ff, #ff0000); }
.gca .gca-temp .gca-range { background: linear-gradient(90deg, #4a90e2, #e8e8e8, #f5a623); }
.gca .gca-tint .gca-range { background: linear-gradient(90deg, #3fae49, #e8e8e8, #d63ad6); }
.gca .gca-hue .gca-range::-webkit-slider-thumb, .gca .gca-temp .gca-range::-webkit-slider-thumb, .gca .gca-tint .gca-range::-webkit-slider-thumb {
    -webkit-appearance: none; width: 18px; height: 18px; border-radius: 50%; background: #fff; border: 2px solid #1e293b; cursor: pointer; }
.gca .gca-hue .gca-range::-moz-range-thumb, .gca .gca-temp .gca-range::-moz-range-thumb, .gca .gca-tint .gca-range::-moz-range-thumb { width: 14px; height: 14px; border-radius: 50%; background: #fff; border: 2px solid #1e293b; }
.gca .gca-colors { grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr); align-items: center; }
.gca .gca-swatch { display: inline-block; width: 13px; height: 13px; border-radius: 4px; border: 1px solid var(--gca-border-strong); vertical-align: middle; }
.gca .gca-arrow { margin: 0 0.2rem; }
.gca #gcaPick.gca-on { border-color: var(--gca-primary); color: var(--gca-primary); background: var(--gca-primary-soft); }
.gca .gca-two-up { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 0.75rem; }
.gca .gca-two-up figure { margin: 0; min-width: 0; }
.gca .gca-two-up figcaption { margin-top: 0.35rem; font-size: 0.8rem; font-weight: 600; color: var(--gca-muted); text-align: center; }
.gca .gca-res-box { height: 280px; padding: 8px; }
.gca .gca-res-actions { margin-top: 0.9rem; }
@media (max-width: 860px) { .gca .gca-sticky { position: static; } }
@media (max-width: 560px) {
    .gca .gca-stagebox { height: 260px; }
    .gca .gca-slider { grid-template-columns: 5.6rem minmax(0, 1fr) 3.6rem; }
    .gca .gca-colors, .gca .gca-pair { grid-template-columns: minmax(0, 1fr); }
    .gca .gca-two-up { grid-template-columns: minmax(0, 1fr); }
    .gca .gca-res-box { height: 220px; }
    .gca .gca-kbd { display: none; }
    .gca .gca-panel-head { flex-wrap: wrap; }
}