.header-login-btn{background:#fff;color:#1F4E79}
.header-login-btn:hover{background:#EFF6FF}
.breadcrumb{background:#fff;border-bottom:1px solid #e2e8f0;padding:10px 20px;font-size:12px;color:#64748b;display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.breadcrumb a{color:#2E86C1;text-decoration:none}
.breadcrumb a:hover{text-decoration:underline}
.bc-sep{color:#cbd5e1}
.auth-wall{max-width:480px;margin:60px auto;padding:0 16px;text-align:center}
.auth-card{background:#fff;border-radius:16px;border:1px solid #e2e8f0;padding:40px 32px}
.auth-icon{font-size:48px;margin-bottom:16px}
.auth-title{font-size:22px;font-weight:800;margin-bottom:8px}
.auth-desc{font-size:14px;color:#64748b;line-height:1.6;margin-bottom:24px}
.btn-primary{display:inline-block;padding:13px 28px;border-radius:10px;background:linear-gradient(135deg,#1F4E79,#2E86C1);color:#fff;font-size:15px;font-weight:700;text-decoration:none;transition:opacity .2s}
.btn-primary:hover{opacity:.9}
.auth-note{font-size:12px;color:#94a3b8;margin-top:14px}
.wrap{max-width:720px;margin:0 auto;padding:24px 16px 60px}
.page-hero{background:linear-gradient(135deg,#1F4E79,#2E86C1);border-radius:14px;padding:28px 24px;color:#fff;margin-bottom:24px}
.page-hero h1{font-size:22px;font-weight:800;margin-bottom:6px}
.page-hero p{font-size:13px;opacity:.85;line-height:1.5}
.hero-chip{display:inline-block;background:rgba(255,255,255,.2);border-radius:8px;padding:3px 10px;font-size:11px;font-weight:700;margin-bottom:12px}
.card{background:#fff;border-radius:14px;border:1px solid #e2e8f0;padding:24px;margin-bottom:16px}
.card-title{font-size:15px;font-weight:700;margin-bottom:16px;color:#1e293b;display:flex;align-items:center;gap:8px}
.field-group{margin-bottom:16px}
.field-group label{display:block;font-size:13px;font-weight:600;color:#374151;margin-bottom:5px}
.field-group label span{font-weight:400;color:#94a3b8;font-size:11px;margin-left:4px}
.field-group input[type=number],.field-group select{width:100%;padding:10px 14px;border:1.5px solid #e2e8f0;border-radius:9px;font-size:14px;font-family:inherit;background:#F8FAFC;color:#1e293b;transition:border-color .15s}
.field-group input[type=number]:focus,.field-group select:focus{outline:none;border-color:#2E86C1;background:#fff}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media(max-width:480px){.field-row{grid-template-columns:1fr}}
.field-hint{font-size:11px;color:#94a3b8;margin-top:4px}
.btn-calc{width:100%;padding:14px;background:linear-gradient(135deg,#1F4E79,#2E86C1);color:#fff;border:none;border-radius:10px;font-size:16px;font-weight:700;cursor:pointer;transition:opacity .2s;display:flex;align-items:center;justify-content:center;gap:8px}
.btn-calc:hover{opacity:.9}
.results{display:none}
.results.is-visible{display:block}
.results-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-bottom:16px}
@media(max-width:480px){.results-grid{grid-template-columns:1fr}}
.res-item{background:#F8FAFC;border:1px solid #e2e8f0;border-radius:10px;padding:14px}
.res-label{font-size:11px;color:#64748b;font-weight:600;text-transform:uppercase;letter-spacing:.5px;margin-bottom:4px}
.res-val{font-size:22px;font-weight:800;color:#1F4E79;line-height:1.1}
.res-unit{font-size:12px;color:#94a3b8;font-weight:400}
.res-highlight{border-color:#BFDBFE;background:#EFF6FF}
.res-highlight .res-val{color:#1D4ED8}
.note-box{background:#FEF9C3;border:1px solid #FDE68A;border-radius:10px;padding:12px 16px;font-size:12px;color:#92400E;line-height:1.5;margin-bottom:16px}
.need-block{border-top:1px solid #e2e8f0;padding-top:16px;margin-top:4px}
.need-title{font-size:13px;font-weight:800;color:#1e293b;margin-bottom:10px}
.need-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.need-note{font-size:11px;color:#64748b;line-height:1.45;margin-top:10px}
@media(max-width:480px){.need-grid{grid-template-columns:1fr}}
.cta-upgrade{background:linear-gradient(135deg,#1F4E79,#2E86C1);border-radius:14px;padding:24px;color:#fff;text-align:center}
.cta-upgrade h3{font-size:17px;font-weight:800;margin-bottom:6px}
.cta-upgrade p{font-size:13px;opacity:.85;margin-bottom:16px;line-height:1.5}
.btn-white{display:inline-block;background:#fff;color:#1F4E79;padding:11px 24px;border-radius:9px;font-size:14px;font-weight:700;text-decoration:none;transition:transform .2s}
.btn-white:hover{transform:translateY(-1px)}
.hidden{display:none}
.link-accent{color:#2E86C1;text-decoration:none}
.link-accent:hover{text-decoration:underline}

/* Tip selector */
.tip-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:20px}
@media(max-width:480px){.tip-grid{grid-template-columns:1fr}}
.tip-btn{
  border:2px solid #e2e8f0;border-radius:10px;padding:12px 8px;
  background:#fff;cursor:pointer;transition:all .2s;text-align:center;
  font-size:12px;font-weight:600;color:#64748b;
}
.tip-btn:hover{border-color:#93C5FD;color:#1D4ED8}
.tip-btn.active{border-color:#2E86C1;background:#EFF6FF;color:#1D4ED8}
.tip-btn .t-icon{font-size:24px;display:block;margin-bottom:6px}

.price-break-box{background:#F0FDF4;border:1px solid #BBF7D0;border-radius:12px;padding:18px;margin-top:16px}
.price-break-title{font-size:13px;font-weight:700;color:#15803D;margin-bottom:10px}
.price-break-row{display:flex;justify-content:space-between;gap:12px;padding:5px 0;border-bottom:1px solid rgba(0,0,0,.06);font-size:13px}
.price-break-summary{display:flex;justify-content:space-between;gap:12px}
.price-break-materials{padding:8px 0 4px;font-size:14px;font-weight:700;border-top:2px solid #BBF7D0;margin-top:6px}
.price-break-labor{padding:4px 0;font-size:13px;color:#475569}
.price-break-final{padding:6px 0 2px;font-size:15px;font-weight:800;color:#1F4E79}
.price-break-value-green{color:#15803D}
.price-break-note{font-size:11px;color:#94a3b8;margin-top:8px}