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summary:focus-visible{outline:2px solid var(--blue);outline-offset:3px}.campaign-layout{grid-template-columns:1.35fr 1fr}.campaign-platforms{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;border:0;margin:0 0 20px;padding:0}.campaign-platforms legend{margin-bottom:9px;font-size:12px;font-weight:700}.campaign-platforms label{position:relative;cursor:pointer}.campaign-platforms input{position:absolute;inset:0;opacity:0;margin:0;width:100%;height:100%;cursor:pointer}.campaign-platforms span{display:block;padding:13px 4px;border:1px solid var(--line);border-radius:9px;background:var(--surface);text-align:center;font-size:12px;font-weight:600}.campaign-platforms input:checked+span{color:var(--cyan);border-color:var(--blue);background:#267bff08}.campaign-platforms input:focus-visible+span{outline:2px solid var(--blue);outline-offset:2px}.campaign-fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));align-items:start;gap:20px 16px}.campaign-select{position:relative}.campaign-select select{appearance:none;width:100%;min-width:0;height:44px;padding:0 30px 0 12px;border:1px solid var(--line);border-radius:9px;background:var(--surface);color:var(--text);font:inherit;font-size:12px;text-overflow:ellipsis;cursor:pointer}.campaign-select select:focus-visible{outline:2px solid var(--blue);outline-offset:2px}.campaign-select i{position:absolute;right:11px;top:50%;transform:translateY(-50%);font-size:12px;color:var(--muted);pointer-events:none}.campaign-primary-field input{font-size:21px;font-weight:700;border-color:#267bff60;background:#267bff06}.campaign-primary-field .rate-presets{gap:5px}.campaign-primary-field .rate-presets button{font-size:10px;padding-inline:7px}.campaign-strategy{display:flex;gap:8px;margin:20px 0;padding:12px 14px;border-radius:9px;background:var(--bg-soft);color:var(--muted);font-size:11px;line-height:1.7}.campaign-advanced{border-top:1px solid var(--line);padding-top:18px}.campaign-advanced summary{display:flex;align-items:center;gap:8px;font-size:12px;font-weight:600;cursor:pointer;list-style:none}.campaign-advanced summary::-webkit-details-marker{display:none}.campaign-advanced summary>i:last-child{margin-left:auto}.campaign-advanced[open] summary>i:last-child{transform:rotate(180deg)}.campaign-advanced>div>p{font-size:10px;color:var(--muted);line-height:1.7;margin:14px 0}.campaign-views{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-bottom:18px}.campaign-views label{font-size:10px}.campaign-crosslink{display:inline-flex;align-items:center;gap:5px;margin-top:26px;color:var(--muted);font-size:11px;line-height:1.6}.campaign-crosslink:hover{color:var(--blue)}.campaign-result .rate-price{margin:24px 0}.campaign-result .rate-price output{font-size:clamp(26px,2.8vw,38px)}.campaign-stats{display:grid;grid-template-columns:1fr 1fr;gap:20px 12px;padding:24px 0;border-bottom:1px solid var(--line)}.campaign-stats span{display:block;color:var(--muted);font-size:10px;margin-bottom:7px}.campaign-stats b{font-size:19px;font-weight:700;letter-spacing:-.025em}.campaign-mix{margin-top:22px}.campaign-mix h2{font-size:13px;margin:0 0 14px}.campaign-mix-bar{display:flex;gap:3px;height:7px;overflow:hidden;border-radius:5px;margin-bottom:12px}.campaign-tier-nano{background:#a4caff}.campaign-tier-micro{background:#76a9ff}.campaign-tier-mid{background:#367bfa}.campaign-tier-macro{background:#2449b3}.campaign-tier-mega{background:#172d6e}.campaign-mix-row{display:flex;justify-content:space-between;gap:10px;padding:9px 0;font-size:12px}.campaign-mix-row>span{display:flex;align-items:center;gap:8px}.campaign-dot{display:inline-block;width:7px;height:7px;border-radius:50%}.campaign-mix-row small{color:var(--muted);font-size:10px;font-weight:400}.campaign-result .rate-breakdown{border-top:1px solid var(--line);padding-top:18px;margin-top:14px}.campaign-budget-note{font-size:10px;color:var(--muted);line-height:1.7;margin:15px 0 0}.campaign-cta{display:flex;align-items:center;justify-content:center;gap:10px;padding:13px 10px;margin-top:22px;border-radius:9px;background:var(--blue);color:#fff;font-size:12px;font-weight:700}.campaign-cta:hover{filter:brightness(1.08)}.campaign-empty{padding:50px 8px;text-align:center}.campaign-empty>i{color:var(--muted);font-size:36px}.campaign-empty h2{font-size:18px;margin-top:18px}.campaign-empty p{font-size:12px;line-height:1.8;color:var(--muted)}@media(max-width:900px){.campaign-form{padding-inline:22px}.campaign-result{padding-inline:20px}.campaign-modes b{font-size:12px}}@media(max-width:700px){.campaign-layout{grid-template-columns:1fr}.campaign-modes{gap:8px;padding:0 20px 22px}.campaign-modes button{padding:12px;gap:8px;align-items:flex-start}.campaign-modes button>i:first-child{width:auto;height:auto;background:transparent;font-size:18px}.campaign-modes button>i:last-child{display:none}.campaign-modes small{font-size:10px;line-height:1.6}.campaign-stats b{font-size:22px}}@media(max-width:450px){.campaign-fields{gap:16px 12px}.campaign-select select{padding-left:9px;font-size:11px}.campaign-form,.campaign-result{padding:22px 20px}.campaign-platforms{gap:6px}.campaign-platforms span{font-size:11px}.campaign-views{grid-template-columns:1fr}.campaign-page .rate-field label{font-size:11px;min-height:16px}}.campaign-platforms legend{display:flex;align-items:baseline;justify-content:space-between;width:100%}.campaign-platforms legend small{color:var(--muted);font-size:10px;font-weight:400}.campaign-total-budget{margin-top:20px}.campaign-allocation-heading{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:24px}.campaign-allocation-heading h3{margin:0;font-size:12px}.campaign-allocation-note{color:var(--muted);font-size:10px;line-height:1.7;margin:8px 0 12px}.campaign-platform-plans{display:grid;gap:12px}.campaign-platform-plan{min-width:0;padding:14px;border:1px solid var(--line);border-radius:10px}.campaign-platform-plan-heading{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:12px}.campaign-platform-plan h4{font-size:12px;margin:0}.campaign-platform-plan-heading>span{color:var(--cyan);font-size:12px;font-weight:600}.campaign-platform-plan label{font-size:10px;line-height:1.5;min-height:15px}.campaign-allocation-total{font-size:11px;color:var(--muted);margin:10px 0 0}.campaign-views{grid-template-columns:1fr}.campaign-platform-views h4{font-size:12px;margin:0 0 10px}.campaign-views-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.campaign-platform-views label{font-size:9px;line-height:1.5}.campaign-platform-results{margin-top:22px}.campaign-platform-results h2{font-size:13px;margin:0 0 6px}.campaign-platform-results>div{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:12px 0;border-bottom:1px solid var(--line);font-size:12px}.campaign-platform-results small{display:block;color:var(--muted);font-size:10px;font-weight:400;line-height:1.6;margin-top:4px}.campaign-platform-results strong{font-size:11px;text-align:right}@media(max-width:450px){.campaign-platform-plan{padding:12px}.campaign-platform-plan .campaign-fields{grid-template-columns:1fr;gap:12px}.campaign-views-grid{grid-template-columns:1fr}.campaign-platform-results>div{flex-wrap:wrap}}