.c360-roas {
  --c360-primary: #1bb978;
  --c360-primary-dark: #108456;
  --c360-accent: #d9ff47;
  --c360-ink: #111827;
  --c360-muted: #667085;
  --c360-surface: #fff;
  --c360-bg: #f5f7f8;
  --c360-border: #dfe5e3;
  --c360-danger: #b42318;
  box-sizing: border-box;
  width: 100%; max-width: 1240px; margin: 32px auto; padding: 28px;
  color: var(--c360-ink); background: var(--c360-bg); border-radius: 24px;
  font-family: inherit; line-height: 1.45;
}
.c360-roas *, .c360-roas *::before, .c360-roas *::after { box-sizing: border-box; }
.c360-roas__header { max-width: 760px; margin-bottom: 24px; }
.c360-roas__eyebrow { color: var(--c360-primary-dark); font-size: 12px; font-weight: 800; letter-spacing: .1em; }
.c360-roas h2 { margin: 7px 0 5px; font-size: clamp(28px, 4vw, 44px); line-height: 1.08; }
.c360-roas h3 { margin: 0 0 18px; font-size: 19px; }
.c360-roas p { margin: 0; }
.c360-roas__layout { display: grid; grid-template-columns: minmax(260px, 340px) 1fr; gap: 20px; align-items: start; }
.c360-roas__panel, .c360-roas__cards article { background: var(--c360-surface); border: 1px solid var(--c360-border); border-radius: 18px; box-shadow: 0 8px 24px rgba(16,24,40,.05); }
.c360-roas__form { padding: 22px; }
.c360-roas__field { display: block; margin-bottom: 14px; color: #344054; font-size: 13px; font-weight: 700; }
.c360-roas__input-wrap { position: relative; display: flex; align-items: center; margin-top: 6px; }
.c360-roas input, .c360-roas select { width: 100%; min-height: 45px; padding: 10px 44px 10px 12px; color: var(--c360-ink); background: #fff; border: 1px solid #b9c5c1; border-radius: 10px; font: inherit; font-weight: 650; }
.c360-roas input:focus, .c360-roas select:focus, .c360-roas button:focus, .c360-roas a:focus { outline: 3px solid rgba(27,185,120,.28); outline-offset: 2px; border-color: var(--c360-primary); }
.c360-roas__input-wrap small { position: absolute; right: 13px; color: var(--c360-muted); pointer-events: none; }
.c360-roas__row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.c360-roas details { margin: 10px 0 16px; padding: 12px; border: 1px dashed #b9c5c1; border-radius: 10px; }
.c360-roas summary { cursor: pointer; color: var(--c360-primary-dark); font-weight: 750; }
.c360-roas details .c360-roas__field:first-of-type { margin-top: 14px; }
.c360-roas__reset { width: 100%; padding: 11px 16px; color: var(--c360-primary-dark); background: transparent; border: 1px solid var(--c360-primary); border-radius: 10px; cursor: pointer; font-weight: 750; }
.c360-roas__cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.c360-roas__cards article { min-height: 148px; padding: 18px; }
.c360-roas__cards article.is-featured { border: 2px solid var(--c360-primary); background: linear-gradient(145deg, #fff 20%, #eafff6); }
.c360-roas__cards span, .c360-roas__cards small { display: block; color: var(--c360-muted); }
.c360-roas__cards span { min-height: 36px; font-size: 12px; font-weight: 800; letter-spacing: .02em; text-transform: uppercase; }
.c360-roas__cards strong { display: block; margin: 7px 0; font-size: clamp(22px, 2.2vw, 31px); line-height: 1.05; }
.c360-roas__cards .is-featured strong { color: var(--c360-primary-dark); }
.c360-roas__cards small { font-size: 11px; }
.c360-roas__alert { margin-top: 14px; padding: 13px 16px; color: #7a271a; background: #fef3f2; border: 1px solid #fecdca; border-radius: 10px; font-weight: 700; }
.c360-roas__charts { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 16px; }
.c360-roas__charts article { min-height: 315px; padding: 21px; }
.c360-roas svg { display: block; width: 100%; height: auto; }
.c360-roas .axis { stroke: #98a2b3; stroke-width: 1.5; }
.c360-roas .profit-line { stroke: var(--c360-primary); stroke-width: 4; stroke-linecap: round; }
.c360-roas .point { fill: var(--c360-ink); stroke: #fff; stroke-width: 3; }
.c360-roas .chart-label { fill: var(--c360-ink); font-size: 12px; font-weight: 700; }
.c360-roas__bar-row { display: grid; grid-template-columns: 90px 1fr 82px; gap: 9px; align-items: center; margin: 13px 0; font-size: 12px; }
.c360-roas__bar-row strong { text-align: right; font-size: 11px; }
.c360-roas__bar-track { height: 18px; overflow: hidden; background: #edf1ef; border-radius: 5px; }
.c360-roas__bar { display: block; min-width: 2px; height: 100%; background: #6f8ea8; border-radius: inherit; }
.c360-roas__bar.c2 { background: #9eb2c6; } .c360-roas__bar.c3 { background: #d2d9df; } .c360-roas__bar.c4 { background: #efb43c; } .c360-roas__bar.c5 { background: var(--c360-primary-dark); } .c360-roas__bar.c6 { background: var(--c360-accent); }
.c360-roas__advice { margin-top: 16px; padding: 22px; color: #fff; background: var(--c360-ink); border-radius: 18px; }
.c360-roas__advice > div { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.c360-roas__advice-item { padding: 14px; background: rgba(255,255,255,.07); border-radius: 10px; }
.c360-roas__advice-item strong { color: var(--c360-accent); font-size: 11px; letter-spacing: .06em; text-transform: uppercase; }
.c360-roas__advice-item p { margin-top: 8px; color: #e4e7ec; font-size: 13px; }
.c360-roas__cta { display: flex; justify-content: space-between; gap: 24px; align-items: center; margin-top: 20px; padding: 24px; color: #fff; background: linear-gradient(120deg, var(--c360-primary-dark), var(--c360-primary)); border-radius: 18px; }
.c360-roas__cta h3 { margin-bottom: 5px; }
.c360-roas__cta a { flex: 0 0 auto; padding: 13px 18px; color: var(--c360-ink); background: var(--c360-accent); border-radius: 9px; text-decoration: none; font-weight: 800; }
.c360-roas__disclaimer { margin-top: 12px !important; color: var(--c360-muted); font-size: 11px; text-align: center; }
@media (max-width: 980px) { .c360-roas__layout { grid-template-columns: 1fr; } .c360-roas__cards { grid-template-columns: 1fr 1fr; } }
@media (max-width: 680px) { .c360-roas { margin: 12px auto; padding: 16px; border-radius: 16px; } .c360-roas__cards, .c360-roas__charts, .c360-roas__advice > div { grid-template-columns: 1fr; } .c360-roas__cards article { min-height: auto; } .c360-roas__cta { align-items: stretch; flex-direction: column; } .c360-roas__cta a { text-align: center; } }
@media (prefers-reduced-motion: reduce) { .c360-roas * { scroll-behavior: auto !important; transition: none !important; animation: none !important; } }