:root {
  --bg: #f5f3ee;
  --paper: #fffaf1;
  --ink: #1f2933;
  --muted: #6b7280;
  --line: rgba(31, 41, 51, 0.12);
  --brand: #ffb000;
  --brand-dark: #ca7a00;
  --green: #087f5b;
  --red: #b42318;
  --shadow: 0 24px 70px rgba(31, 41, 51, 0.10);
  --radius: 28px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(255, 176, 0, 0.18), transparent 36rem),
    linear-gradient(180deg, #fff7e6 0%, var(--bg) 36%, #f8f7f3 100%);
}

a { color: inherit; text-decoration: none; }

.hero {
  min-height: 620px;
  padding: 28px clamp(18px, 4vw, 62px) 70px;
  background:
    linear-gradient(135deg, rgba(31,41,51,.92), rgba(31,41,51,.78)),
    radial-gradient(circle at 18% 20%, rgba(255,176,0,.55), transparent 20rem),
    #1f2933;
  color: #fff;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  max-width: 1180px;
  margin: 0 auto;
  padding: 12px 0;
}

.topbar-light {
  max-width: none;
  padding: 22px clamp(18px, 4vw, 62px);
  background: rgba(255,250,241,.82);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand {
  font-size: 1.7rem;
  font-weight: 900;
  letter-spacing: -0.05em;
}
.brand span { color: var(--brand); }

.navlinks {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  color: inherit;
  opacity: .9;
  font-weight: 700;
}
.navlinks a { padding: 9px 11px; border-radius: 999px; }
.navlinks a:hover { background: rgba(255,176,0,.18); }

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) 380px;
  gap: 44px;
  align-items: center;
  max-width: 1180px;
  margin: 100px auto 0;
}

.hero h1,
.result-hero h1,
.panel h1 {
  font-size: clamp(2.6rem, 7vw, 6.5rem);
  line-height: .88;
  margin: 0 0 24px;
  letter-spacing: -0.05em;
}

.lead {
  font-size: clamp(1.1rem, 2vw, 1.45rem);
  line-height: 1.6;
  max-width: 760px;
  color: rgba(255,255,255,.78);
}

.eyebrow {
  margin: 0 0 12px;
  text-transform: uppercase;
  font-weight: 900;
  letter-spacing: .14em;
  font-size: .78rem;
  color: var(--brand-dark);
}
.hero .eyebrow { color: var(--brand); }

.hero-card,
.panel,
.info-card,
.proposal-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.hero-card {
  padding: 34px;
  display: grid;
  gap: 14px;
  background: rgba(255,250,241,.11);
  border-color: rgba(255,255,255,.18);
  backdrop-filter: blur(20px);
}
.hero-card strong { font-size: 1.2rem; }
.hero-card span { font-size: 1.7rem; font-weight: 900; }

.container {
  width: min(1180px, calc(100% - 36px));
  margin: -72px auto 80px;
}
.result-page { margin-top: 36px; }

.panel {
  background: rgba(255,250,241,.9);
  padding: clamp(22px, 4vw, 42px);
  margin-bottom: 28px;
}

.section-title h2,
.panel h2 {
  margin: 0 0 18px;
  font-size: clamp(1.8rem, 3vw, 3rem);
  letter-spacing: -0.04em;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

label { display: grid; gap: 8px; font-weight: 800; }
label span { color: var(--muted); font-size: .92rem; }
input, select {
  width: 100%;
  min-height: 54px;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 0 16px;
  background: #fff;
  color: var(--ink);
  font: inherit;
  font-weight: 750;
}

.input-suffix { position: relative; }
.input-suffix input { padding-right: 58px; }
.input-suffix b {
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--muted);
}

.advanced-box {
  margin: 22px 0;
  border: 1px dashed var(--line);
  border-radius: 20px;
  padding: 18px;
}
.advanced-box summary { cursor: pointer; font-weight: 900; }
.advanced-grid { margin-top: 18px; }
.advanced-section {
  border-top: 1px solid var(--line);
  margin-top: 18px;
  padding-top: 18px;
}
.advanced-section h3 {
  margin: 0 0 6px;
  font-size: 1rem;
}
.advanced-section p {
  margin: 0;
}
[hidden] { display: none !important; }

.primary-btn,
.secondary-btn,
.small-btn {
  border: none;
  border-radius: 999px;
  padding: 16px 24px;
  background: var(--ink);
  color: #fff;
  font-weight: 900;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.primary-btn { background: linear-gradient(135deg, var(--brand), #ff7a00); color: #201400; }
.secondary-btn { background: #fff; color: var(--ink); border: 1px solid var(--line); }
.small-btn { padding: 10px 14px; font-size: .9rem; }

.info-grid,
.cards-grid,
.details-grid {
  display: grid;
  gap: 22px;
}
.info-grid { grid-template-columns: repeat(3, 1fr); }
.info-card {
  background: rgba(255,255,255,.72);
  padding: 26px;
}
.info-card h3 { margin: 0 0 8px; font-size: 1.35rem; }
.info-card p, .muted { color: var(--muted); line-height: 1.6; }

.result-hero {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 30px;
  align-items: center;
}
.result-hero h1 { font-size: clamp(2.2rem, 5vw, 4.8rem); color: var(--ink); }
.result-hero p { line-height: 1.65; }

.current-cost-card {
  background: var(--ink);
  color: #fff;
  border-radius: 24px;
  padding: 26px;
  display: grid;
  gap: 8px;
}
.current-cost-card strong { font-size: 2.6rem; letter-spacing: -0.06em; }
.current-cost-card small { color: rgba(255,255,255,.65); }

.top3-grid { grid-template-columns: repeat(3, 1fr); align-items: stretch; }
.proposal-card {
  padding: 26px;
  background: #fff;
  position: relative;
  overflow: hidden;
}
.proposal-card.best { border-color: rgba(255,176,0,.7); transform: translateY(-6px); }
.rank {
  position: absolute;
  right: 18px;
  top: 18px;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--brand);
  display: grid;
  place-items: center;
  font-weight: 950;
}
.proposal-card h2 { margin: 0; font-size: 1.65rem; }
.proposal-card h3 { margin: 5px 0 20px; color: var(--muted); font-size: 1rem; }
.price { font-size: 2.4rem; font-weight: 950; letter-spacing: -0.05em; margin: 18px 0; }
.price span { font-size: .95rem; color: var(--muted); margin-left: 4px; }
dl { display: grid; gap: 10px; margin: 0; }
dl div { display: flex; justify-content: space-between; gap: 16px; border-top: 1px solid var(--line); padding-top: 10px; }
dt { color: var(--muted); }
dd { margin: 0; font-weight: 900; text-align: right; }
.positive { color: var(--green); }
.negative { color: var(--red); }
.notes { color: var(--muted); font-size: .9rem; line-height: 1.5; }

.chart-panel canvas { width: 100%; }
.details-grid { grid-template-columns: repeat(5, 1fr); }
.details-grid div {
  background: rgba(31,41,51,.04);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 18px;
  display: grid;
  gap: 8px;
}
.details-grid span { color: var(--muted); font-weight: 800; }
.details-grid strong { font-size: 1.15rem; }

.recommendation-message {
  font-size: clamp(1.2rem, 2vw, 1.65rem);
  line-height: 1.55;
}

.admin-table {
  width: 100%;
  border-collapse: collapse;
  overflow: hidden;
  border-radius: 18px;
  background: #fff;
}
.admin-table th,
.admin-table td {
  padding: 14px 12px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}
.admin-table th { color: var(--muted); font-size: .85rem; text-transform: uppercase; letter-spacing: .08em; }
.admin-actions { display: flex; gap: 10px; flex-wrap: wrap; margin: 18px 0; }
.notice { padding: 14px 18px; border-radius: 16px; background: rgba(255,176,0,.16); border: 1px solid rgba(255,176,0,.35); }


.auth-page { max-width: 760px; }
.auth-panel { max-width: 620px; margin: 0 auto; }
.auth-form { display: grid; gap: 16px; margin-top: 22px; }
.auth-form label { display: grid; gap: 8px; }
.auth-form input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 14px 16px;
  font: inherit;
  background: #fff;
}
.small { font-size: .9rem; color: var(--muted); }
.notice.success { background: rgba(42,157,143,.12); border-color: rgba(42,157,143,.35); }
.notice.error { background: rgba(230,57,70,.10); border-color: rgba(230,57,70,.32); }
.provider-summary { margin-top: 22px; }
.provider-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}
.provider-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: 0 12px 32px rgba(31,41,51,.06);
  padding: 22px;
  display: grid;
  gap: 18px;
}
.provider-card h2 {
  margin: 0 0 6px;
  font-size: 1.35rem;
}
.status-pill {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  border-radius: 999px;
  padding: 5px 10px;
  margin: 0 0 10px;
  font-size: .78rem;
  font-weight: 900;
}
.status-active {
  background: rgba(8,127,91,.12);
  color: var(--green);
}
.status-pending {
  background: rgba(107,114,128,.12);
  color: var(--muted);
}
.provider-card a {
  color: var(--brand-dark);
  font-weight: 800;
  overflow-wrap: anywhere;
}
.disclaimer-box {
  border: 1px solid rgba(31,41,51,.14);
  border-left: 5px solid var(--brand);
  border-radius: 18px;
  background: rgba(255,255,255,.82);
  padding: 22px;
  color: var(--muted);
  line-height: 1.55;
}
.disclaimer-box h2 {
  margin: 0 0 10px;
  color: var(--ink);
  font-size: 1.05rem;
}
.disclaimer-box p {
  margin: 0;
  max-width: 1100px;
}
.disclaimer-box p + p { margin-top: 10px; }

@media (max-width: 900px) {
  .hero-grid,
  .result-hero,
  .form-grid,
  .info-grid,
  .top3-grid,
  .provider-grid,
  .details-grid { grid-template-columns: 1fr; }
  .container { margin-top: -36px; }
  .topbar { align-items: flex-start; flex-direction: column; }
  .proposal-card.best { transform: none; }
}