:root {
    --lexa-ccc-primary: #0d9488;
    --lexa-ccc-primary-dark: #0f766e;
    --lexa-ccc-primary-light: #5eead4;
    --lexa-ccc-primary-soft: #f0fdfa;
    --lexa-ccc-amber: #f59e0b;
    --lexa-ccc-amber-soft: #fef3c7;
    --lexa-ccc-text: #1e293b;
    --lexa-ccc-text-soft: #475569;
    --lexa-ccc-text-muted: #64748b;
    --lexa-ccc-bg: #fafaf9;
    --lexa-ccc-paper: #ffffff;
    --lexa-ccc-line: #e2e8f0;
    --lexa-ccc-line-soft: #f1f5f9;
    --pass: #16a34a;
    --pass-soft: #f0fdf4;
    --fail: #dc2626;
    --fail-soft: #fef2f2;
}

* { box-sizing: border-box; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }

body {
    color: var(--lexa-ccc-text);
    background: var(--lexa-ccc-bg);
    direction: rtl; text-align: right;
    margin: 0; line-height: 1.7;
}

.lexa-tool { margin: 0 auto; padding: 0 20px }

/* HEADER */
.tool-head { text-align: center; margin-bottom: 24px; }
.tool-head h2 { font-weight: 800; font-size: 1.9rem; margin: 0 0 8px; }
.tool-head p { font-size: 1.02rem; color: var(--lexa-ccc-text-soft); margin: 0 auto; max-width: 600px; }

/* TABS */
.tabs {
    display: flex; gap: 6px; background: var(--lexa-ccc-paper);
    border: 1px solid var(--lexa-ccc-line); border-radius: 100px; padding: 5px;
    margin: 0 auto 26px; width: fit-content; max-width: 100%;
    box-shadow: 0 2px 12px rgba(0,0,0,0.04);
    overflow-x: auto;
}
.tab-btn {
    border: none; background: transparent; cursor: pointer;
    font-weight: 700; font-size: 0.95rem;
    color: var(--lexa-ccc-text-soft); padding: 9px 20px; border-radius: 100px;
    transition: all .15s ease; white-space: nowrap;
    display: inline-flex; align-items: center; gap: 7px;
}
.tab-btn svg { width: 16px; height: 16px; }
.tab-btn:hover { color: var(--lexa-ccc-primary-dark); }
.tab-btn.active { background: linear-gradient(135deg, var(--lexa-ccc-primary-dark), var(--lexa-ccc-primary)); color: #fff; box-shadow: 0 2px 10px rgba(13,148,136,0.3); }
.tab-btn:focus-visible { outline: 3px solid var(--lexa-ccc-primary-light); outline-offset: 2px; }
.tab-panel { display: none; }
.tab-panel.active { display: block; animation: fadeIn .25s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }

/* CARD */
.card {
    background: var(--lexa-ccc-paper); border: 1px solid var(--lexa-ccc-line); border-radius: 16px;
    box-shadow: 0 2px 16px rgba(0,0,0,0.05); padding: 26px; margin-bottom: 22px;
}

/* COLOR INPUTS */
.inputs-grid { display: grid; grid-template-columns: 1fr auto 1fr; gap: 18px; align-items: stretch; }
.color-field label { display: block; font-weight: 700; font-size: 0.95rem; margin-bottom: 10px; }
.color-row {
    display: flex; align-items: center; gap: 8px; background: var(--lexa-ccc-line-soft);
    border: 1px solid var(--lexa-ccc-line); border-radius: 12px; padding: 8px 10px;
    transition: border-color .15s ease, box-shadow .15s ease;
}
.color-row:focus-within { border-color: var(--lexa-ccc-primary-light); box-shadow: 0 0 0 3px rgba(13,148,136,0.12); }
.swatch {
    -webkit-appearance: none; appearance: none; width: 46px; height: 46px; border: none;
    border-radius: 10px; padding: 0; cursor: pointer; flex-shrink: 0; box-shadow: inset 0 0 0 1px rgba(0,0,0,0.12);
}
.swatch::-webkit-color-swatch-wrapper { padding: 0; }
.swatch::-webkit-color-swatch { border: none; border-radius: 10px; }
.swatch::-moz-color-swatch { border: none; border-radius: 10px; }
.hex-input {
    flex: 1; min-width: 0; border: none; background: transparent;
    font-weight: 600; font-size: 1.05rem; letter-spacing: 0.5px; color: var(--lexa-ccc-text);
    text-transform: uppercase; direction: ltr; text-align: left; outline: none;
}
.hex-input.invalid { color: var(--fail); }
.copy-btn {
    flex-shrink: 0; width: 34px; height: 34px; border-radius: 8px; border: 1px solid var(--lexa-ccc-line);
    background: var(--lexa-ccc-paper); color: var(--lexa-ccc-text-muted); cursor: pointer;
    display: flex; align-items: center; justify-content: center; transition: all .15s ease;
}
.copy-btn:hover { color: var(--lexa-ccc-primary-dark); border-color: var(--lexa-ccc-primary-light); }
.copy-btn.copied { color: var(--pass); border-color: #bbf7d0; background: var(--pass-soft); }
.copy-btn svg { width: 16px; height: 16px; }
.copy-btn:focus-visible, .swap-btn:focus-visible, .preset:focus-visible, .seg:focus-visible,
.btn-apply:focus-visible, .copy-css:focus-visible, .combo-card:focus-visible, .match-chip:focus-visible {
    outline: 3px solid var(--lexa-ccc-primary-light); outline-offset: 2px;
}

.swap-wrap { display: flex; align-items: center; justify-content: center; }
.swap-btn {
    width: 44px; height: 44px; border-radius: 50%; border: 1px solid var(--lexa-ccc-line);
    background: var(--lexa-ccc-paper); color: var(--lexa-ccc-primary-dark); cursor: pointer;
    display: flex; align-items: center; justify-content: center;
    transition: transform .2s ease, background .15s ease, border-color .15s ease; margin-top: 30px;
}
.swap-btn:hover { background: var(--lexa-ccc-primary-soft); border-color: var(--lexa-ccc-primary-light); transform: rotate(180deg); }
.swap-btn svg { width: 20px; height: 20px; }

/* ACTION BAR */
.action-bar { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 16px; align-items: center; }
.preset-label { font-size: 0.85rem; color: var(--lexa-ccc-text-muted); margin-left: 4px; }
.preset {
    border: 1px solid var(--lexa-ccc-line); background: var(--lexa-ccc-paper); border-radius: 100px;
    padding: 5px 6px 5px 12px; font-size: 0.82rem; font-weight: 500; cursor: pointer;
    display: inline-flex; align-items: center; gap: 7px; color: var(--lexa-ccc-text-soft); transition: border-color .15s ease;
}
.preset:hover { border-color: var(--lexa-ccc-primary-light); }
.preset-dots { display: inline-flex; }
.preset-dots span { width: 15px; height: 15px; border-radius: 50%; box-shadow: inset 0 0 0 1px rgba(0,0,0,0.12); }
.preset-dots span:last-child { margin-right: -6px; }
.copy-css {
    margin-right: auto; font-weight: 700; font-size: 0.82rem;
    border: 1px solid var(--lexa-ccc-primary-light); background: var(--lexa-ccc-primary-soft); color: var(--lexa-ccc-primary-dark);
    border-radius: 100px; padding: 6px 14px; cursor: pointer; display: inline-flex; align-items: center; gap: 6px;
    transition: all .15s ease;
}
.copy-css:hover { background: var(--lexa-ccc-primary); color: #fff; }
.copy-css.copied { background: var(--pass); color: #fff; border-color: var(--pass); }
.copy-css svg { width: 14px; height: 14px; }

/* RESULT HERO */
.result-hero { display: grid; grid-template-columns: 200px 1fr; gap: 26px; align-items: center; }
.ratio-box { text-align: center; border-radius: 14px; padding: 22px 12px; border: 2px solid var(--lexa-ccc-line); transition: all .2s ease; }
.ratio-box.state-pass { background: var(--pass-soft); border-color: #bbf7d0; }
.ratio-box.state-warn { background: var(--lexa-ccc-amber-soft); border-color: #fde68a; }
.ratio-box.state-fail { background: var(--fail-soft); border-color: #fecaca; }
.ratio-value { font-weight: 800; font-size: 2.6rem; line-height: 1; direction: ltr; }
.ratio-box.state-pass .ratio-value { color: var(--pass); }
.ratio-box.state-warn .ratio-value { color: #b45309; }
.ratio-box.state-fail .ratio-value { color: var(--fail); }
.ratio-label { font-size: 0.82rem; color: var(--lexa-ccc-text-muted); margin-top: 6px; font-weight: 500; }
.status-line { font-weight: 700; font-size: 1.15rem; margin: 0 0 4px; }
.status-line.state-pass { color: var(--pass); }
.status-line.state-warn { color: #b45309; }
.status-line.state-fail { color: var(--fail); }
.status-sub { color: var(--lexa-ccc-text-soft); font-size: 0.95rem; margin: 0; }

.section-title {font-weight: 700; font-size: 1.05rem; margin: 0 0 6px; display: flex; align-items: center; gap: 8px; }
.section-sub { font-size: 0.9rem; color: var(--lexa-ccc-text-muted); margin: 0 0 16px; }

/* CHECKS */
.checks { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; }
.check { border: 1px solid var(--lexa-ccc-line); border-radius: 12px; padding: 14px; display: flex; align-items: center; gap: 11px; background: var(--lexa-ccc-paper); transition: all .15s ease; }
.check.pass { border-color: #bbf7d0; background: var(--pass-soft); }
.check.fail { border-color: #fecaca; background: var(--fail-soft); }
.check-icon { width: 30px; height: 30px; border-radius: 50%; flex-shrink: 0; display: flex; align-items: center; justify-content: center; color: #fff; }
.check.pass .check-icon { background: var(--pass); }
.check.fail .check-icon { background: var(--fail); }
.check-icon svg { width: 17px; height: 17px; }
.check-name { font-weight: 700; font-size: 0.92rem;}
.check-req { font-size: 0.78rem; color: var(--lexa-ccc-text-muted); direction: ltr; text-align: right; }

/* SUGGESTION */
.suggest { display: none; align-items: center; justify-content: space-between; gap: 14px; flex-wrap: wrap;
    background: var(--lexa-ccc-primary-soft); border: 1px solid var(--lexa-ccc-primary-light); border-radius: 12px; padding: 14px 18px; margin-top: 16px; }
.suggest.show { display: flex; }
.suggest-text { font-size: 0.92rem; color: var(--lexa-ccc-primary-dark); font-weight: 500; }
.suggest-text b { direction: ltr; display: inline-block; }
.suggest-swatch { display: inline-block; width: 16px; height: 16px; border-radius: 4px; vertical-align: middle; margin-left: 4px; box-shadow: inset 0 0 0 1px rgba(0,0,0,0.15); }
.btn-apply { font-weight: 700; font-size: 0.9rem; background: var(--lexa-ccc-primary); color: #fff; border: none; border-radius: 9px; padding: 9px 18px; cursor: pointer; transition: background .15s ease; white-space: nowrap; }
.btn-apply:hover { background: var(--lexa-ccc-primary-dark); }

/* COMBOS */
.combos-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(180px, 1fr)); gap: 12px; }
.combo-card { border: 1px solid var(--lexa-ccc-line); border-radius: 12px; overflow: hidden; cursor: pointer; background: var(--lexa-ccc-paper); transition: transform .12s ease, box-shadow .15s ease; text-align: right; padding: 0; }
.combo-card:hover { transform: translateY(-2px); box-shadow: 0 6px 18px rgba(0,0,0,0.08); }
.combo-preview { padding: 18px 16px 16px; font-weight: 700; font-size: 1.05rem; }
.combo-preview small { display: block; font-weight: 400; font-size: 0.78rem; margin-top: 3px; opacity: 0.92; }
.combo-meta { display: flex; align-items: center; justify-content: space-between; padding: 8px 12px; border-top: 1px solid var(--lexa-ccc-line); background: var(--lexa-ccc-paper); }
.combo-ratio {  font-weight: 600; font-size: 0.82rem; color: var(--lexa-ccc-text-soft); direction: ltr; }
.combo-badge { font-weight: 700; font-size: 0.72rem; padding: 2px 9px; border-radius: 100px; }
.badge-aaa { background: var(--pass-soft); color: var(--pass); }
.badge-aa { background: #eff6ff; color: #1d4ed8; }

/* SEGMENTED CONTROLS */
.seg-group { display: inline-flex; background: var(--lexa-ccc-line-soft); border: 1px solid var(--lexa-ccc-line); border-radius: 100px; padding: 3px; gap: 2px; }
.seg { border: none; background: transparent; font-weight: 600; font-size: 0.85rem; color: var(--lexa-ccc-text-soft); padding: 7px 16px; border-radius: 100px; cursor: pointer; transition: all .15s ease; white-space: nowrap; }
.seg.active { background: var(--lexa-ccc-paper); color: var(--lexa-ccc-primary-dark); box-shadow: 0 1px 4px rgba(0,0,0,0.08); }

/* ===== MATCHER TAB ===== */
.matcher-top { display: flex; flex-wrap: wrap; gap: 20px; align-items: flex-end; }
.matcher-top .color-field { flex: 1; min-width: 240px; }
.matcher-role { display: flex; flex-direction: column; gap: 8px; }
.ctl-label { font-weight: 700; font-size: 0.88rem; color: var(--lexa-ccc-text); }
.match-summary { font-size: 0.95rem; color: var(--lexa-ccc-text-soft); margin: 18px 0 0; }
.match-summary b { color: var(--lexa-ccc-primary-dark); }

.match-group { margin-bottom: 6px; }
.match-group-head { display: flex; align-items: center; gap: 10px; margin: 0 0 4px; }
.match-group-title {font-weight: 700; font-size: 1rem; margin: 0; }
.match-group-count { font-size: 0.8rem; color: var(--lexa-ccc-text-muted); }
.match-group-desc { font-size: 0.84rem; color: var(--lexa-ccc-text-muted); margin: 0 0 12px; }
.match-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(104px, 1fr)); gap: 10px; }
.match-chip {
    border: 1px solid var(--lexa-ccc-line); border-radius: 11px; overflow: hidden; cursor: pointer;
    background: var(--lexa-ccc-paper); padding: 0; text-align: center;
    transition: transform .1s ease, box-shadow .12s ease;
}
.match-chip:hover { transform: translateY(-2px); box-shadow: 0 5px 14px rgba(0,0,0,0.12); }
.match-chip-sample { height: 52px; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 1.15rem; }
.match-chip-info { padding: 5px 4px 6px; }
.match-chip-hex { font-weight: 600; font-size: 0.72rem; direction: ltr; display: block; color: var(--lexa-ccc-text-soft); }
.match-chip-ratio { font-size: 0.68rem; color: var(--lexa-ccc-text-muted); direction: ltr; }
.match-more { text-align: center; margin: 14px 0 22px; }
.match-more button {
     font-weight: 700; font-size: 0.85rem;
    border: 1px solid var(--lexa-ccc-line); background: var(--lexa-ccc-paper); color: var(--lexa-ccc-text-soft);
    border-radius: 100px; padding: 7px 20px; cursor: pointer; transition: all .15s ease;
}
.match-more button:hover { border-color: var(--lexa-ccc-primary-light); color: var(--lexa-ccc-primary-dark); }
.match-empty { font-size: 0.92rem; color: var(--lexa-ccc-text-muted); background: var(--lexa-ccc-line-soft); border-radius: 10px; padding: 16px; }

/* ===== CVD TAB ===== */
.cvd-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 14px; }
.cvd-card { border: 1px solid var(--lexa-ccc-line); border-radius: 12px; overflow: hidden; background: var(--lexa-ccc-paper); }
.cvd-sample { padding: 22px 18px; }
.cvd-sample h4 {  font-weight: 700; font-size: 1.15rem; margin: 0 0 6px; }
.cvd-sample p { font-size: 0.85rem; margin: 0 0 12px; }
.cvd-sample .cvd-btn-demo { display: inline-block;font-weight: 700; font-size: 0.82rem; padding: 6px 16px; border-radius: 8px; border: 2px solid currentColor; }
.cvd-label { padding: 10px 14px; border-top: 1px solid var(--lexa-ccc-line); }
.cvd-label b { font-size: 0.9rem; display: block; }
.cvd-label span { font-size: 0.78rem; color: var(--lexa-ccc-text-muted); }
.filter-protanopia { filter: url(#lexaProtanopia); }
.filter-deuteranopia { filter: url(#lexaDeuteranopia); }
.filter-tritanopia { filter: url(#lexaTritanopia); }
.filter-achromatopsia { filter: url(#lexaAchromatopsia); }

/* PREVIEW */
.preview-box { border-radius: 12px; padding: 30px 28px; border: 1px solid var(--lexa-ccc-line); transition: background .15s ease, color .15s ease; }
.preview-large { font-weight: 700; font-size: 1.7rem; margin: 0 0 10px; }
.preview-normal { font-size: 1rem; margin: 0 0 18px; }
.preview-btn { display: inline-block; font-weight: 700; padding: 10px 22px; border-radius: 10px; border: 2px solid currentColor; }
.preview-caption { font-size: 0.82rem; color: var(--lexa-ccc-text-muted); margin: 10px 2px 0; }

/* SHARE */
.share-bar { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.share-bar input {
    flex: 1; min-width: 200px; border: 1px solid var(--lexa-ccc-line); background: var(--lexa-ccc-line-soft);
    border-radius: 10px; padding: 9px 12px; font-size: 0.82rem; color: var(--lexa-ccc-text-soft);
    direction: ltr; text-align: left; outline: none;
}

/* NOTE / FOOTER */
.note { font-size: 0.86rem; color: var(--lexa-ccc-text-muted); background: var(--lexa-ccc-line-soft); border-radius: 10px; padding: 14px 16px; line-height: 1.6; }
.note b { color: var(--lexa-ccc-text-soft); }

/* EYEDROPPER */
.eyedrop-btn {
    display: none; flex-shrink: 0; width: 34px; height: 34px; border-radius: 8px;
    border: 1px solid var(--lexa-ccc-line); background: var(--lexa-ccc-paper); color: var(--lexa-ccc-text-muted);
    cursor: pointer; align-items: center; justify-content: center; transition: all .15s ease;
}
.eyedrop-btn.available { display: flex; }
.eyedrop-btn:hover { color: var(--lexa-ccc-primary-dark); border-color: var(--lexa-ccc-primary-light); }
.eyedrop-btn svg { width: 16px; height: 16px; }
.eyedrop-btn:focus-visible { outline: 3px solid var(--lexa-ccc-primary-light); outline-offset: 2px; }

/* SIZE CHECK */
.size-row { display: flex; flex-wrap: wrap; gap: 16px; align-items: center; }
.size-row label { font-size: 0.92rem; font-weight: 600; display: inline-flex; align-items: center; gap: 8px; }
.size-row input[type="number"] {
    width: 78px; border: 1px solid var(--lexa-ccc-line); background: var(--lexa-ccc-line-soft);
    border-radius: 9px; padding: 8px 10px; font-size: 0.95rem;
    direction: ltr; text-align: center; outline: none; transition: border-color .15s ease;
}
.size-row input[type="number"]:focus { border-color: var(--lexa-ccc-primary-light); }
.size-row input[type="checkbox"] { width: 17px; height: 17px; accent-color: var(--lexa-ccc-primary); }
.size-verdict { flex: 1; min-width: 240px; border-radius: 10px; padding: 10px 14px; font-size: 0.9rem; font-weight: 500; border: 1px solid transparent; }
.size-verdict.pass { background: var(--pass-soft); color: #166534; border-color: #bbf7d0; }
.size-verdict.fail { background: var(--fail-soft); color: #991b1b; border-color: #fecaca; }

/* PALETTE TAB */
.pal-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }
.pal-chip { display: inline-flex; align-items: center; gap: 8px; border: 1px solid var(--lexa-ccc-line); background: var(--lexa-ccc-paper); border-radius: 100px; padding: 5px 12px 5px 6px; font-size: 0.84rem; }
.pal-chip-dot { width: 18px; height: 18px; border-radius: 50%; box-shadow: inset 0 0 0 1px rgba(0,0,0,0.12); }
.pal-chip-hex { font-weight: 600; direction: ltr; color: var(--lexa-ccc-text-soft); }
.pal-chip-x { border: none; background: transparent; cursor: pointer; color: var(--lexa-ccc-text-muted); font-size: 1.05rem; line-height: 1; padding: 2px 5px; border-radius: 50%; }
.pal-chip-x:hover { color: var(--fail); }
.pal-chip-x:focus-visible { outline: 3px solid var(--lexa-ccc-primary-light); outline-offset: 1px; }
.pal-add { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.matrix-wrap { overflow-x: auto; }
.pal-table { border-collapse: separate; border-spacing: 4px; margin: 0 auto; }
.pal-table th { font-size: 0.72rem; font-weight: 600; color: var(--lexa-ccc-text-soft); padding: 2px; text-align: center; }
.pal-th-dot { width: 22px; height: 22px; border-radius: 6px; box-shadow: inset 0 0 0 1px rgba(0,0,0,0.12); display: inline-block; }
.pal-cell {
    min-width: 62px; border-radius: 8px; text-align: center; font-size: 0.74rem; font-weight: 600;
    padding: 8px 6px; cursor: pointer; direction: ltr; border: 1px solid transparent; transition: transform .1s ease;
}
.pal-cell:hover { transform: scale(1.06); }
.pal-cell.lv-aaa { background: var(--pass-soft); color: #166534; border-color: #bbf7d0; }
.pal-cell.lv-aa { background: #eff6ff; color: #1d4ed8; border-color: #bfdbfe; }
.pal-cell.lv-large { background: var(--lexa-ccc-amber-soft); color: #92400e; border-color: #fde68a; }
.pal-cell.lv-fail { background: var(--fail-soft); color: #b91c1c; border-color: #fecaca; }
.pal-cell.lv-self { background: var(--lexa-ccc-line-soft); color: var(--lexa-ccc-text-muted); cursor: default; }
.pal-cell.lv-self:hover { transform: none; }
.pal-cell small { display: block; font-size: 0.62rem; font-weight: 700; }
.matrix-legend { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 14px; font-size: 0.78rem; color: var(--lexa-ccc-text-soft); }
.matrix-legend span { display: inline-flex; align-items: center; gap: 6px; }
.matrix-legend i { width: 14px; height: 14px; border-radius: 4px; display: inline-block; }

/* CSS EXTRACT + REPORT */
.extract-area {
    width: 100%; min-height: 110px; border: 1px solid var(--lexa-ccc-line); background: var(--lexa-ccc-line-soft);
    border-radius: 12px; padding: 12px 14px; font-size: 0.85rem;
    direction: ltr; text-align: left; resize: vertical; outline: none; color: var(--lexa-ccc-text-soft);
    transition: border-color .15s ease, box-shadow .15s ease;
}
.extract-area:focus { border-color: var(--lexa-ccc-primary-light); box-shadow: 0 0 0 3px rgba(13,148,136,0.12); }
.extract-bar { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-top: 12px; }
.extract-msg { font-size: 0.88rem; color: var(--lexa-ccc-primary-dark); font-weight: 500; }
.report-bar { margin-top: 16px; display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }

/* SEO TAB */
.seo-steps { margin: 0; padding-right: 20px; font-size: 0.95rem; color: var(--lexa-ccc-text-soft); }
.seo-steps li { margin-bottom: 10px; }
.seo-steps li:last-child { margin-bottom: 0; }
.seo-steps b { color: var(--lexa-ccc-text); }

/* RESPONSIVE */
@media (max-width: 680px) {
    .inputs-grid { grid-template-columns: 1fr; }
    .swap-btn { margin: 0 auto; transform: rotate(90deg); }
    .swap-btn:hover { transform: rotate(270deg); }
    .result-hero { grid-template-columns: 1fr; text-align: center; }
    .tool-head h1 { font-size: 1.55rem; }
    .copy-css { margin-right: 0; }
    .tabs { width: 100%; justify-content: flex-start; }
}
@media (prefers-reduced-motion: reduce) {
    * { transition: none !important; animation: none !important; }
    .swap-btn:hover, .combo-card:hover, .match-chip:hover { transform: none; }
}