:root {
  --bg: #f5f7f5;
  --surface: #ffffff;
  --surface-soft: #f0f5f1;
  --border: #d9e1db;
  --text: #17221a;
  --muted: #617067;
  --primary: #17633f;
  --primary-dark: #0f4d30;
  --primary-soft: #e5f1e9;
  --warning: #8a5a00;
  --warning-soft: #fff6df;
  --danger: #9b2c2c;
  --danger-soft: #fff0f0;
  --shadow: 0 12px 35px rgba(23, 34, 26, .07);
  --radius: 16px;
}
* { 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(--text); background: var(--bg); line-height: 1.55; }
button, input, select { font: inherit; }
button { cursor: pointer; }
.container { width: min(1100px, calc(100% - 32px)); margin: 0 auto; }
.site-header { background: linear-gradient(135deg, #103d28, #17633f); color: #fff; padding: 42px 0; }
.header-inner { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; }
.eyebrow { margin: 0 0 5px; font-size: .76rem; font-weight: 800; letter-spacing: .12em; color: var(--primary); }
.site-header .eyebrow { color: #b9ddc7; }
h1, h2, h3, p { margin-top: 0; }
h1 { margin-bottom: 8px; font-size: clamp(2rem, 4vw, 3rem); line-height: 1.08; }
h2 { margin-bottom: 5px; font-size: clamp(1.35rem, 2.5vw, 1.8rem); line-height: 1.2; }
h3 { font-size: 1rem; margin-bottom: 6px; }
.subtitle { margin: 0; max-width: 700px; color: #dceee3; }
.main-content { padding: 28px 0 50px; }
.notice { padding: 15px 18px; margin-bottom: 24px; border: 1px solid #e5d7aa; border-radius: 12px; background: var(--warning-soft); color: #5d480f; }
.progress { display: flex; align-items: center; gap: 10px; margin: 0 0 24px; overflow-x: auto; padding-bottom: 4px; }
.progress-item { display: flex; align-items: center; gap: 8px; white-space: nowrap; color: var(--muted); font-size: .88rem; }
.progress-item span { width: 28px; height: 28px; display: grid; place-items: center; border-radius: 50%; border: 1px solid var(--border); background: var(--surface); font-weight: 800; }
.progress-item.active, .progress-item.done { color: var(--primary); }
.progress-item.active span, .progress-item.done span { border-color: var(--primary); background: var(--primary); color: #fff; }
.progress-line { height: 1px; min-width: 35px; flex: 1; background: var(--border); }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); }
.step-panel { padding: clamp(20px, 4vw, 34px); }
.section-heading { display: flex; justify-content: space-between; gap: 25px; align-items: flex-start; margin-bottom: 24px; }
.section-heading > p { color: var(--muted); max-width: 420px; margin-bottom: 0; }
.choice-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.choice-card { text-align: left; border: 1px solid var(--border); border-radius: 14px; background: #fff; padding: 18px; transition: .18s ease; }
.choice-card:hover { border-color: #a8c8b4; transform: translateY(-1px); }
.choice-card.selected { border: 2px solid var(--primary); background: var(--primary-soft); padding: 17px; }
.choice-card .choice-title { display: block; font-weight: 800; margin-bottom: 4px; }
.choice-card .choice-description { display: block; color: var(--muted); font-size: .9rem; }
.actions { display: flex; align-items: center; gap: 10px; margin-top: 28px; }
.actions-right { justify-content: flex-end; }
.actions-between { justify-content: space-between; }
.button-row { display: flex; gap: 10px; }
.button { min-height: 44px; padding: 0 17px; border-radius: 10px; border: 1px solid transparent; font-weight: 750; }
.button-primary { background: var(--primary); color: #fff; }
.button-primary:hover { background: var(--primary-dark); }
.button-secondary { background: #fff; color: var(--text); border-color: var(--border); }
.button-secondary:hover { border-color: #9fb0a5; }
.site-header .button-secondary { background: rgba(255,255,255,.1); color: #fff; border-color: rgba(255,255,255,.3); }
.hidden { display: none !important; }
.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.field { display: flex; flex-direction: column; gap: 7px; }
.field.full { grid-column: 1 / -1; }
.field label { font-weight: 750; font-size: .92rem; }
.field small { color: var(--muted); font-size: .8rem; }
.input, .select { width: 100%; min-height: 45px; border: 1px solid var(--border); border-radius: 10px; padding: 9px 12px; background: #fff; color: var(--text); outline: none; }
.input:focus, .select:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(23,99,63,.1); }
.check-row { display: flex; align-items: flex-start; gap: 10px; padding: 13px; border: 1px solid var(--border); border-radius: 10px; background: #fbfcfb; }
.check-row input { margin-top: 4px; }
.check-row label { font-weight: 650; }
.subsection { padding: 18px; border: 1px solid var(--border); border-radius: 13px; background: #fcfdfc; margin-bottom: 18px; }
.subsection:last-child { margin-bottom: 0; }
.subsection-title { margin-bottom: 14px; }
.form-note { padding: 13px 15px; border-left: 3px solid var(--primary); background: var(--primary-soft); color: #254a35; border-radius: 7px; margin-bottom: 18px; font-size: .9rem; }
.form-error { margin-top: 20px; padding: 12px 14px; border-radius: 9px; background: var(--danger-soft); color: var(--danger); border: 1px solid #f1c7c7; }
.result-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 20px; padding-bottom: 20px; border-bottom: 1px solid var(--border); }
.result-summary { color: var(--muted); margin-bottom: 0; }
.status-badge { border-radius: 999px; padding: 8px 12px; font-size: .84rem; font-weight: 800; white-space: nowrap; }
.status-badge.due { color: #075a32; background: #dff4e7; }
.status-badge.not-due { color: #5e6670; background: #edf0f2; }
.status-badge.review { color: #744b00; background: #fff0c7; }
.result-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin: 22px 0; }
.metric { border: 1px solid var(--border); border-radius: 12px; padding: 15px; background: #fff; }
.metric .label { color: var(--muted); font-size: .8rem; margin-bottom: 4px; }
.metric .value { font-size: 1.2rem; font-weight: 850; }
.result-table { width: 100%; border-collapse: collapse; margin: 18px 0; }
.result-table th, .result-table td { padding: 11px 10px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: top; }
.result-table th { color: var(--muted); font-size: .82rem; font-weight: 750; }
.review-box { margin-top: 20px; padding: 16px; border: 1px solid #ead9aa; border-radius: 12px; background: var(--warning-soft); }
.review-box h3 { color: #6b4b09; }
.review-box ul { margin: 8px 0 0; padding-left: 20px; }
.explanation { margin-top: 20px; padding: 16px; border: 1px solid var(--border); border-radius: 12px; background: var(--surface-soft); }
.transparency { margin-top: 24px; padding: 28px; }
.transparency-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.transparency-grid > div { padding: 16px; border: 1px solid var(--border); border-radius: 12px; }
.transparency-grid p { color: var(--muted); margin-bottom: 0; font-size: .9rem; }
.site-footer { border-top: 1px solid var(--border); background: #fff; color: var(--muted); padding: 22px 0; font-size: .85rem; }
@media (max-width: 800px) {
  .choice-grid, .form-grid, .transparency-grid { grid-template-columns: 1fr; }
  .result-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .section-heading, .result-header { flex-direction: column; }
  .header-inner { align-items: flex-start; }
}
@media (max-width: 560px) {
  .container { width: min(100% - 20px, 1100px); }
  .site-header { padding: 30px 0; }
  .main-content { padding-top: 18px; }
  .result-grid { grid-template-columns: 1fr; }
  .actions-between { flex-direction: column-reverse; align-items: stretch; }
  .button, .button-row { width: 100%; }
  .button-row { flex-direction: column; }
}
@media print {
  .site-header, .progress, .notice, .actions, .transparency, .site-footer { display: none !important; }
  body { background: #fff; }
  .container { width: 100%; }
  .card { box-shadow: none; border: 0; }
  #resultStep { display: block !important; }
}

.guide-box { padding: 15px 17px; border: 1px solid #d9e8de; border-radius: 12px; background: var(--primary-soft); color: #254a35; margin-bottom: 18px; }
.price-status { padding: 14px 16px; border: 1px solid var(--border); border-radius: 11px; background: #fff; margin-bottom: 16px; line-height: 1.55; }
.price-status small { color: var(--muted); }
.price-loading { color: var(--muted); }
.price-error { color: var(--danger); }
.sub-actions { margin-top: 10px; }
.text-button { border: 0; background: transparent; padding: 0; color: var(--primary); font-weight: 750; cursor: pointer; }
.text-button:hover { text-decoration: underline; }
.inline-info { margin-top: 18px; padding: 13px 15px; border: 1px solid var(--border); border-radius: 10px; color: var(--muted); font-size: .9rem; }
.metric.highlight { border-color: #a8c8b4; background: var(--primary-soft); }
.trust-line { margin: 24px 0; padding: 16px 18px; border: 1px solid var(--border); border-radius: 12px; background: #fff; color: var(--muted); text-align: center; }
.trust-line strong { color: var(--text); }

/* Language and appearance controls */
.header-controls { display:flex; align-items:flex-end; gap:10px; flex-wrap:wrap; }
.preference-control { display:flex; flex-direction:column; gap:5px; font-size:.78rem; font-weight:750; color:#e2f0e7; }
.preference-select { min-height:44px; padding:0 11px; border-radius:10px; border:1px solid rgba(255,255,255,.35); background:#fff; color:#17221a; font:inherit; font-size:.9rem; }
html[dir="rtl"] body { text-align:right; }
html[dir="rtl"] .eyebrow { letter-spacing:0; }
html[dir="rtl"] .result-table th, html[dir="rtl"] .result-table td { text-align:right; }
html[dir="rtl"] .form-note { border-left:0; border-right:3px solid var(--primary); }
html[data-theme="dark"] { color-scheme:dark; --bg:#101713; --surface:#18231c; --surface-soft:#202e25; --border:#34473a; --text:#edf4ef; --muted:#b2c2b7; --primary:#71c494; --primary-dark:#8cdbab; --primary-soft:#243d2d; --warning:#f0c76c; --warning-soft:#3a311d; --danger:#ff9d9d; --danger-soft:#3b2222; --shadow:0 12px 35px rgba(0,0,0,.18); }
html[data-theme="dark"] .choice-card, html[data-theme="dark"] .button-secondary, html[data-theme="dark"] .input, html[data-theme="dark"] .select, html[data-theme="dark"] .check-row, html[data-theme="dark"] .subsection, html[data-theme="dark"] .price-status, html[data-theme="dark"] .metric, html[data-theme="dark"] .trust-line, html[data-theme="dark"] .site-footer { background:var(--surface); color:var(--text); }
html[data-theme="dark"] .site-footer { border-color:var(--border); }
html[data-theme="dark"] .site-header { background:linear-gradient(135deg,#0a2116,#123c28); }
html[data-theme="dark"] .form-note, html[data-theme="dark"] .guide-box { background:var(--primary-soft); color:var(--text); border-color:var(--border); }
html[data-theme="dark"] .status-badge.due { background:#214a32; color:#c9f4d7; }
html[data-theme="dark"] .status-badge.not-due { background:#2b343e; color:#e2e8ee; }
html[data-theme="dark"] .status-badge.review { background:#4a3b1b; color:#ffe5a1; }
html[data-theme="dark"] .review-box { background:var(--warning-soft); border-color:var(--border); }
html[data-theme="dark"] .review-box h3 { color:var(--warning); }
@media(max-width:800px){ .header-inner { flex-direction:column; align-items:stretch; } .header-controls { align-items:stretch; } .preference-control { flex:1; } .preference-select { width:100%; } }
@media print { .header-controls { display:none !important; } }