:root {
    --bg: #f4f6f8;
    --panel: #ffffff;
    --text: #17212b;
    --muted: #667481;
    --line: #dde4e8;
    --accent: #126b4f;
    --accent-dark: #0b503b;
    --accent-soft: #e8f4ef;
    --warning: #9a6400;
    --warning-soft: #fff4d8;
    --danger: #a2372b;
    --danger-soft: #fdecea;
    --shadow: 0 12px 35px rgba(29, 48, 61, 0.08);
    --radius: 18px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    line-height: 1.5;
}
button, input { font: inherit; }
button { cursor: pointer; }
.container { width: min(1180px, calc(100% - 32px)); margin-inline: auto; }
.topbar { background: #102820; color: #fff; border-bottom: 1px solid rgba(255,255,255,.08); }
.topbar-inner { min-height: 72px; display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.brand { color: inherit; text-decoration: none; display: flex; align-items: center; gap: 12px; }
.brand-mark { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 12px; background: #d8f3e7; color: #0c573f; font-weight: 900; letter-spacing: -.04em; }
.brand strong, .brand small { display: block; }
.brand small { color: #a9beb6; font-size: .78rem; }
.badge { display: inline-flex; align-items: center; width: max-content; padding: 5px 10px; border-radius: 999px; background: var(--accent-soft); color: var(--accent-dark); font-size: .78rem; font-weight: 800; text-transform: capitalize; }
.badge-neutral { color: #d9e8e2; background: rgba(255,255,255,.08); }
.main-layout { padding-block: 44px 28px; }
.hero { display: grid; grid-template-columns: 1.4fr .6fr; gap: 30px; align-items: end; padding: 22px 4px 34px; }
.eyebrow { margin: 0 0 6px; color: var(--accent); font-size: .72rem; font-weight: 900; letter-spacing: .12em; }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 790px; margin-bottom: 12px; font-size: clamp(2rem, 4vw, 3.5rem); line-height: 1.06; letter-spacing: -.04em; }
h2 { margin-bottom: 0; font-size: 1.35rem; letter-spacing: -.02em; }
h3 { font-size: 1.65rem; margin-bottom: 8px; }
.hero-copy { max-width: 760px; color: var(--muted); font-size: 1.05rem; }
.hero-note { padding: 18px; border: 1px solid #d5e5de; background: #eef7f3; border-radius: 16px; }
.hero-note strong, .hero-note span { display: block; }
.hero-note span { margin-top: 6px; color: #53675f; font-size: .9rem; }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.search-panel { padding: 26px; }
.panel-heading { display: flex; justify-content: space-between; align-items: end; gap: 20px; margin-bottom: 22px; }
.panel-heading.compact { margin-bottom: 16px; }
.help-text, .muted { color: var(--muted); }
.form-grid { display: grid; grid-template-columns: minmax(280px, 1fr) 250px auto; gap: 16px; align-items: end; }
.field { position: relative; }
.field label { display: block; margin-bottom: 7px; font-size: .88rem; font-weight: 800; }
.field input { width: 100%; height: 50px; padding: 0 14px; border: 1px solid #cfd8dd; border-radius: 12px; background: #fff; color: var(--text); outline: none; transition: .2s border-color, .2s box-shadow; }
.field input:focus { border-color: var(--accent); box-shadow: 0 0 0 4px rgba(18,107,79,.12); }
.field small { display: block; margin-top: 6px; color: var(--muted); font-size: .75rem; }
.input-suffix { position: relative; }
.input-suffix input { padding-right: 42px; }
.input-suffix span { position: absolute; right: 15px; top: 50%; transform: translateY(-50%); color: var(--muted); font-weight: 800; }
.button-primary { height: 50px; padding: 0 20px; border: 0; border-radius: 12px; background: var(--accent); color: #fff; display: inline-flex; align-items: center; gap: 16px; font-weight: 900; box-shadow: 0 8px 18px rgba(18,107,79,.22); }
.button-primary:hover { background: var(--accent-dark); }
.button-primary:disabled { opacity: .55; cursor: wait; }
.search-results { position: absolute; z-index: 20; top: calc(100% - 1px); left: 0; right: 0; max-height: 360px; overflow-y: auto; background: #fff; border: 1px solid var(--line); border-radius: 12px; box-shadow: 0 16px 34px rgba(23,33,43,.16); }
.search-item { width: 100%; padding: 12px 14px; border: 0; border-bottom: 1px solid #edf1f3; background: #fff; display: flex; justify-content: space-between; gap: 14px; text-align: left; }
.search-item:hover { background: #f1f8f5; }
.search-item span, .search-item strong, .search-item small { display: block; }
.search-item small { color: var(--muted); }
.search-item-data { text-align: right; white-space: nowrap; }
.search-empty { padding: 18px; color: var(--muted); }
.status { margin-top: 18px; padding: 13px 15px; border-radius: 12px; font-weight: 700; }
.status-loading { background: #edf5ff; color: #275d95; }
.status-error { background: var(--danger-soft); color: var(--danger); }
.result { margin-top: 24px; }
.conclusion-card { padding: 28px; border-top: 5px solid var(--accent); }
.conclusion-card[data-conclusion="expensive"], .conclusion-card[data-conclusion="very_expensive"] { border-top-color: var(--danger); }
.conclusion-card[data-conclusion="fair"] { border-top-color: var(--warning); }
.conclusion-top, .conclusion-body { display: flex; justify-content: space-between; gap: 28px; }
.conclusion-top { padding-bottom: 22px; border-bottom: 1px solid var(--line); }
.title-row { display: flex; align-items: center; gap: 10px; }
.title-row h2 { font-size: 2rem; }
.confidence-box { min-width: 120px; padding: 12px 16px; border-radius: 14px; background: #f1f5f3; text-align: right; }
.confidence-box span, .confidence-box strong, .confidence-box small { display: block; }
.confidence-box span, .confidence-box small { color: var(--muted); font-size: .75rem; }
.confidence-box strong { font-size: 1.25rem; }
.conclusion-body { align-items: end; padding-top: 24px; }
.conclusion-body > div:first-child { max-width: 560px; }
.conclusion-pill { display: inline-flex; margin-bottom: 10px; padding: 5px 10px; border-radius: 999px; background: var(--accent-soft); color: var(--accent-dark); font-size: .75rem; font-weight: 900; }
.price-comparison { display: flex; align-items: center; gap: 22px; }
.price-comparison div { min-width: 105px; }
.price-comparison span, .price-comparison strong { display: block; }
.price-comparison span { color: var(--muted); font-size: .76rem; }
.price-comparison strong { margin-top: 4px; font-size: 1.22rem; }
.price-arrow { min-width: auto !important; color: var(--muted); font-size: 1.4rem; }
.metrics-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 14px; }
.metric-card { padding: 20px; background: #fff; border: 1px solid var(--line); border-radius: 15px; }
.metric-card span, .metric-card strong, .metric-card small { display: block; }
.metric-card span { color: var(--muted); font-size: .78rem; font-weight: 700; }
.metric-card strong { margin-block: 7px 5px; font-size: 1.5rem; }
.metric-card small { color: var(--muted); }
.details-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 14px; }
.detail-panel { padding: 24px; }
.alert-panel { background: #fffdf8; }
.insight-list { margin: 0; padding: 0; list-style: none; }
.insight-list li { position: relative; padding: 11px 0 11px 24px; border-top: 1px solid #edf0f2; }
.insight-list li:first-child { border-top: 0; }
.insight-list li::before { content: ''; position: absolute; left: 2px; top: 19px; width: 8px; height: 8px; border-radius: 50%; background: var(--accent); }
.alert-panel .insight-list li::before { background: var(--warning); }
.methodology-panel { margin-top: 14px; padding: 24px; display: flex; justify-content: space-between; gap: 28px; align-items: center; }
.method-values { display: flex; gap: 30px; }
.method-values span, .method-values strong { display: block; }
.method-values span { color: var(--muted); font-size: .76rem; }
.method-values strong { margin-top: 4px; }
.disclaimer { margin-top: 22px; padding: 18px 20px; border: 1px solid #ead8a8; border-radius: 14px; background: #fff9e9; color: #6e5720; }
.footer { padding: 28px 0 38px; color: var(--muted); font-size: .85rem; text-align: center; }

@media (max-width: 900px) {
    .hero, .form-grid, .details-grid { grid-template-columns: 1fr; }
    .metrics-grid { grid-template-columns: repeat(2, 1fr); }
    .conclusion-body, .methodology-panel { align-items: stretch; flex-direction: column; }
    .price-comparison, .method-values { justify-content: space-between; }
}

@media (max-width: 620px) {
    .container { width: min(100% - 20px, 1180px); }
    .topbar-inner { min-height: 64px; }
    .badge-neutral { display: none; }
    .main-layout { padding-top: 22px; }
    .hero { padding-top: 10px; }
    .hero-note { display: none; }
    .search-panel, .conclusion-card, .detail-panel, .methodology-panel { padding: 19px; }
    .panel-heading, .conclusion-top { align-items: flex-start; flex-direction: column; }
    .confidence-box { width: 100%; text-align: left; }
    .metrics-grid { grid-template-columns: 1fr; }
    .price-comparison { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
    .price-arrow { display: none; }
    .method-values { flex-direction: column; gap: 14px; }
}