*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --blue: #2563EB; --blue-d: #1D4ED8; --blue-light: #EFF6FF; --blue-mid: #DBEAFE;
  --text: #111827; --text2: #6B7280; --text3: #9CA3AF;
  --border: #E5E7EB; --bg: #F9FAFB; --card: #fff;
  --disabled-bg: #F3F4F6; --disabled-text: #9CA3AF;
  --green: #059669; --green-light: #ECFDF5;
  --amber: #D97706; --amber-light: #FFFBEB;
  --red: #DC2626; --red-light: #FEF2F2;
  --shadow-md: 0 4px 12px rgba(0,0,0,.10);
  --r: 14px;
}

body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; background: #fff; color: var(--text); min-height: 100vh; }

header { padding: 18px 24px; display: flex; align-items: center; gap: 10px; border-bottom: 1px solid var(--border); background: #fff; position: sticky; top: 0; z-index: 400; }
.logo { font-size: 20px; font-weight: 800; letter-spacing: -.5px; }
.logo span { color: var(--blue); }
.logo-dot { width: 8px; height: 8px; border-radius: 50%; background: var(--blue); flex-shrink: 0; }

main { max-width: 680px; margin: 0 auto; padding: 44px 24px 80px; }

.hero { margin-bottom: 44px; }
.hero h1 { font-size: clamp(26px, 5vw, 38px); font-weight: 800; letter-spacing: -1px; line-height: 1.15; }
.hero p { margin-top: 10px; font-size: 16px; color: var(--text2); }

.section-label { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .8px; color: var(--text3); margin-bottom: 12px; }

/* ── Category & action cards ── */
.cat-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
@media (min-width: 520px) { .cat-grid { grid-template-columns: 1fr 1fr 1fr; } }
.cat-card { background: var(--card); border: 1.5px solid var(--border); border-radius: var(--r); padding: 20px 16px 18px; cursor: pointer; text-align: left; display: flex; flex-direction: column; gap: 11px; transition: border-color .15s, box-shadow .15s, transform .1s; }
.cat-card:hover { border-color: var(--blue); box-shadow: var(--shadow-md); transform: translateY(-1px); }
.cat-icon { width: 38px; height: 38px; border-radius: 9px; background: var(--blue-light); display: flex; align-items: center; justify-content: center; }
.cat-icon svg { color: var(--blue); }
.cat-label { font-size: 13px; font-weight: 600; line-height: 1.3; }

.act-list { display: flex; flex-direction: column; gap: 9px; }
.act-card { background: var(--card); border: 1.5px solid var(--border); border-radius: var(--r); padding: 16px 18px; display: flex; align-items: center; gap: 14px; transition: border-color .15s, box-shadow .15s, transform .1s; }
.act-card.enabled { cursor: pointer; border-color: var(--blue-mid); }
.act-card.enabled:hover { border-color: var(--blue); box-shadow: var(--shadow-md); transform: translateY(-1px); }
.act-card.disabled { background: var(--disabled-bg); border-color: var(--border); opacity: .65; }
.act-dot { width: 9px; height: 9px; border-radius: 50%; flex-shrink: 0; }
.act-dot.blue { background: var(--blue); } .act-dot.gray { background: var(--text3); }
.act-info { flex: 1; min-width: 0; }
.act-name { font-size: 14px; font-weight: 600; }
.act-card.disabled .act-name { color: var(--disabled-text); }
.act-sub { font-size: 12px; margin-top: 2px; font-weight: 500; }
.act-sub.blue { color: var(--blue); } .act-sub.gray { color: var(--text3); }
.act-arrow { color: var(--blue); flex-shrink: 0; opacity: .5; transition: opacity .15s, transform .15s; }
.act-card.enabled:hover .act-arrow { opacity: 1; transform: translateX(2px); }

/* ── Back button ── */
.back-btn { display: inline-flex; align-items: center; gap: 6px; background: none; border: 1px solid var(--border); border-radius: 8px; padding: 7px 14px; font-size: 13px; font-weight: 500; color: var(--text2); cursor: pointer; margin-bottom: 24px; transition: border-color .15s, color .15s, background .15s; }
.back-btn:hover { border-color: var(--blue); color: var(--blue); background: var(--blue-light); }

/* ── Wizard progress ── */
.wiz-header { margin-bottom: 28px; }
.wiz-header h1 { font-size: clamp(20px, 4vw, 28px); font-weight: 800; letter-spacing: -.4px; }
.wiz-header p { font-size: 14px; color: var(--text2); margin-top: 5px; }

.wiz-progress { display: flex; align-items: center; margin-bottom: 32px; }
.wp-step { display: flex; flex-direction: column; align-items: center; gap: 4px; }
.wp-dot { width: 28px; height: 28px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 11px; font-weight: 700; border: 2px solid var(--border); background: #fff; color: var(--text3); transition: .2s; }
.wp-dot.active { border-color: var(--blue); background: var(--blue); color: #fff; }
.wp-dot.done { border-color: var(--green); background: var(--green); color: #fff; }
.wp-label { font-size: 10px; font-weight: 600; color: var(--text3); white-space: nowrap; }
.wp-label.active { color: var(--blue); } .wp-label.done { color: var(--green); }
.wp-line { flex: 1; height: 2px; background: var(--border); margin: 0 5px; margin-bottom: 14px; transition: background .2s; }
.wp-line.done { background: var(--green); }

.wiz-panel { display: none; }
.wiz-panel.active { display: block; animation: fadein .2s ease; }
@keyframes fadein { from { opacity: 0; transform: translateY(5px); } to { opacity: 1; transform: none; } }

/* ── Form fields ── */
.field-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 11px; margin-bottom: 18px; }
.field-grid.single { grid-template-columns: 1fr; }
@media (max-width: 440px) { .field-grid { grid-template-columns: 1fr; } }
.field { display: flex; flex-direction: column; gap: 5px; }
.field label { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .5px; color: var(--text2); }
.field input, .field select { padding: 10px 12px; border: 1.5px solid var(--border); border-radius: 9px; font-size: 14px; color: var(--text); background: #fff; outline: none; transition: border-color .15s; -webkit-appearance: none; }
.field input:focus, .field select:focus { border-color: var(--blue); }
.field .hint { font-size: 11px; color: var(--text3); }

.check-row { display: flex; align-items: flex-start; gap: 10px; background: var(--bg); border: 1.5px solid var(--border); border-radius: 10px; padding: 11px 13px; margin-bottom: 9px; cursor: pointer; transition: border-color .15s; }
.check-row:hover { border-color: var(--blue); }
.check-row input[type=checkbox] { width: 15px; height: 15px; accent-color: var(--blue); margin-top: 2px; flex-shrink: 0; }
.check-row-text { font-size: 13px; font-weight: 500; line-height: 1.4; }
.check-row-sub { font-size: 11px; color: var(--text3); margin-top: 2px; }

/* ── Buttons ── */
.btn-row { display: flex; gap: 10px; margin-top: 22px; }
.btn-primary { padding: 11px 22px; background: var(--blue); color: #fff; border: none; border-radius: 10px; font-size: 14px; font-weight: 600; cursor: pointer; transition: background .15s; display: flex; align-items: center; gap: 7px; }
.btn-primary:hover:not(:disabled) { background: var(--blue-d); }
.btn-primary:disabled { opacity: .4; cursor: not-allowed; }
.btn-ghost { padding: 11px 18px; background: none; color: var(--text2); border: 1.5px solid var(--border); border-radius: 10px; font-size: 14px; font-weight: 600; cursor: pointer; transition: border-color .15s, color .15s; }
.btn-ghost:hover { border-color: var(--text3); color: var(--text); }

/* ── Map ── */
#rv-map, #kb-map { height: 340px; border-radius: 12px; border: 1.5px solid var(--border); overflow: hidden; position: relative; z-index: 1; }
.map-hint { background: var(--bg); border: 1.5px solid var(--border); border-radius: 10px; padding: 11px 14px; font-size: 13px; color: var(--text2); margin-bottom: 12px; display: flex; align-items: center; gap: 8px; }
.map-hint svg { flex-shrink: 0; color: var(--blue); }

.selected-bldg-card { background: var(--red-light); border: 1.5px solid #FECACA; border-radius: 10px; padding: 12px 14px; margin-top: 12px; display: none; }
.selected-bldg-card.show { display: flex; align-items: center; gap: 12px; }
.sbc-icon { font-size: 22px; }
.sbc-info { flex: 1; }
.sbc-title { font-size: 13px; font-weight: 700; color: var(--red); }
.sbc-sub { font-size: 12px; color: #991B1B; margin-top: 2px; }

/* ── Result banner ── */
.result-banner { border-radius: 12px; padding: 18px; margin-bottom: 18px; display: flex; gap: 14px; align-items: flex-start; }
.result-banner.lov { background: var(--amber-light); border: 1.5px solid #FDE68A; }
.result-banner.anm { background: var(--blue-light); border: 1.5px solid var(--blue-mid); }
.result-banner.fri { background: var(--green-light); border: 1.5px solid #A7F3D0; }
.rb-icon { width: 38px; height: 38px; border-radius: 9px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.result-banner.lov .rb-icon { background: #FEF3C7; }
.result-banner.anm .rb-icon { background: var(--blue-mid); }
.result-banner.fri .rb-icon { background: #D1FAE5; }
.rb-title { font-size: 15px; font-weight: 700; margin-bottom: 4px; }
.result-banner.lov .rb-title { color: #92400E; }
.result-banner.anm .rb-title { color: #1E40AF; }
.result-banner.fri .rb-title { color: #065F46; }
.rb-reason { font-size: 13px; line-height: 1.55; }
.result-banner.lov .rb-reason { color: #78350F; }
.result-banner.anm .rb-reason { color: #1E3A8A; }
.result-banner.fri .rb-reason { color: #064E3B; }

/* ── Document items ── */
.doc-list { display: flex; flex-direction: column; gap: 8px; }
.doc-item { display: flex; align-items: center; gap: 12px; background: var(--bg); border: 1.5px solid var(--border); border-radius: 10px; padding: 12px 14px; }
.doc-item.ready { border-color: var(--blue-mid); background: var(--blue-light); }
.doc-item.generating { border-color: #FDE68A; background: var(--amber-light); }
.di-icon { font-size: 18px; flex-shrink: 0; }
.di-info { flex: 1; min-width: 0; }
.di-name { font-size: 13px; font-weight: 600; }
.di-status { font-size: 11px; color: var(--text3); margin-top: 1px; }
.doc-item.ready .di-status { color: var(--blue); }
.doc-item.generating .di-status { color: var(--amber); }
.di-dl { font-size: 12px; font-weight: 600; color: var(--blue); text-decoration: none; }
.di-dl:hover { text-decoration: underline; }

/* ── Info box ── */
.info-box { background: var(--bg); border: 1.5px solid var(--border); border-radius: 10px; padding: 13px 15px; margin-bottom: 14px; }
.info-box p { font-size: 13px; color: var(--text2); line-height: 1.6; }

/* ── Spinner ── */
.spin { display: inline-block; width: 15px; height: 15px; border: 2px solid rgba(255,255,255,.3); border-top-color: #fff; border-radius: 50%; animation: rot .5s linear infinite; }
@keyframes rot { to { transform: rotate(360deg); } }
.spin-dark { border-color: rgba(0,0,0,.1); border-top-color: var(--text2); }

.divider { height: 1px; background: var(--border); margin: 20px 0; }
.hidden { display: none !important; }

/* ── Modal ── */
.modal-bg { position: fixed; inset: 0; background: rgba(0,0,0,.3); backdrop-filter: blur(2px); display: flex; align-items: center; justify-content: center; padding: 24px; z-index: 500; opacity: 0; pointer-events: none; transition: opacity .2s; }
.modal-bg.show { opacity: 1; pointer-events: auto; }
.modal { background: #fff; border-radius: 18px; padding: 30px 26px 22px; max-width: 380px; width: 100%; box-shadow: 0 20px 60px rgba(0,0,0,.18); transform: translateY(10px) scale(.97); transition: transform .2s; }
.modal-bg.show .modal { transform: none; }
.modal h2 { font-size: 17px; font-weight: 700; margin-bottom: 7px; }
.modal p { font-size: 13px; color: var(--text2); line-height: 1.55; }
.modal-footer { margin-top: 18px; display: flex; justify-content: flex-end; }
.btn-sm { padding: 9px 18px; background: var(--blue); color: #fff; border: none; border-radius: 8px; font-size: 13px; font-weight: 600; cursor: pointer; }
.check-row input[type=radio] { width: 15px; height: 15px; accent-color: var(--blue); margin-top: 2px; flex-shrink: 0; }
.warn-box { background: var(--amber-light); border: 1.5px solid #FDE68A; border-radius: 10px; padding: 11px 14px; font-size: 13px; color: #78350F; margin-bottom: 12px; }
.danger-box { background: var(--red-light); border: 1.5px solid #FECACA; border-radius: 10px; padding: 11px 14px; font-size: 13px; color: #991B1B; margin-bottom: 12px; }

/* ── Floor-plan canvas ── */
.floorplan-wrap { position: relative; background: #fff; border: 1.5px solid var(--border); border-radius: 12px; overflow: hidden; margin-bottom: 12px; }
#eld-canvas { display: block; cursor: crosshair; max-width: 100%; }
.floorplan-hint { font-size: 12px; color: var(--text3); padding: 8px 2px; min-height: 20px; }
.fp-dist { display: inline-block; font-weight: 600; color: var(--blue); }
.field label .req { color: var(--red); font-weight: 700; }