:root {
  --bg: #f2f0eb;
  --panel: rgba(255, 255, 255, 0.92);
  --text: #171717;
  --muted: #666158;
  --line: rgba(27, 27, 27, 0.1);
  --brand: #0f766e;
  --brand-soft: #d7f3ef;
  --accent: #d97706;
  --good: #177245;
  --shadow: 0 20px 48px rgba(25, 27, 31, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", "PingFang SC", "Noto Sans SC", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(15, 118, 110, 0.1), transparent 28%),
    radial-gradient(circle at top right, rgba(217, 119, 6, 0.09), transparent 22%),
    linear-gradient(180deg, #fbfbf8 0%, var(--bg) 100%);
}

.app-shell {
  width: min(1240px, calc(100% - 28px));
  margin: 0 auto;
  padding: 42px 0 72px;
}

.hero {
  padding: 10px 4px 24px;
}

.eyebrow {
  margin: 0 0 10px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--brand);
  font-size: 12px;
  font-weight: 800;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-size: clamp(30px, 4.5vw, 54px);
  line-height: 1.04;
  margin-bottom: 12px;
}

.hero-copy {
  max-width: 720px;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.6;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 26px;
  padding: 22px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}

.panel + .panel,
.controls-panel + .plans-grid,
.plans-grid + .panel {
  margin-top: 18px;
}

.panel-header,
.summary-head,
.plan-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: end;
}

.panel-header p,
.summary-head p {
  color: var(--muted);
  margin-top: 6px;
}

.plans-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.plan-card {
  min-width: 0;
}

.grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 16px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 8px;
  color: var(--muted);
  font-size: 14px;
}

.field input,
.field select,
.preset-button {
  width: 100%;
  padding: 13px 14px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fff;
  color: var(--text);
  font-size: 15px;
}

.preset-button {
  width: auto;
  background: var(--brand-soft);
  color: var(--brand);
  cursor: pointer;
  font-weight: 700;
}

.field input:focus,
.field select:focus {
  outline: 2px solid rgba(15, 118, 110, 0.18);
  border-color: rgba(15, 118, 110, 0.45);
}

.winner {
  padding: 14px 16px;
  border-radius: 18px;
  background: linear-gradient(135deg, #edf9f6 0%, #fffef9 100%);
  border: 1px solid rgba(15, 118, 110, 0.22);
  min-width: 240px;
}

.winner strong {
  display: block;
  font-size: 22px;
  margin: 6px 0;
}

.winner span,
.winner small {
  color: var(--muted);
}

.comparison-table {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

.table-row {
  display: grid;
  grid-template-columns: 200px repeat(3, minmax(0, 1fr));
  gap: 10px;
  align-items: stretch;
}

.table-row.header .label-cell,
.table-row.header .value-cell {
  background: #f8faf8;
  font-weight: 700;
}

.label-cell,
.value-cell {
  padding: 14px 16px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.78);
}

.label-cell {
  color: var(--muted);
}

.value-cell.good {
  color: var(--good);
  font-weight: 700;
}

.value-cell.best {
  border-color: rgba(15, 118, 110, 0.38);
  background: #f1fbf8;
}

.monetization-panel ul {
  margin: 14px 0 0;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.7;
}

@media (max-width: 1080px) {
  .plans-grid {
    grid-template-columns: 1fr;
  }

  .grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .table-row {
    grid-template-columns: 170px repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .app-shell {
    width: min(100% - 18px, 1240px);
    padding-top: 24px;
  }

  .panel {
    padding: 18px;
    border-radius: 22px;
  }

  .panel-header,
  .summary-head,
  .plan-head {
    flex-direction: column;
    align-items: stretch;
  }

  .grid {
    grid-template-columns: 1fr;
  }

  .table-row {
    grid-template-columns: 1fr;
  }
}