:root{--brand-dark: #144464;--brand-mid: #24649c;--brand-accent: #cb753d;--bg: #f6f8fb;--text: #0f172a;--muted: #64748b;--card: #ffffff;--border: #e2e8f0}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:system-ui,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:var(--bg);color:var(--text)}.button{background:var(--brand-dark);color:#fff;border:none;padding:10px 14px;border-radius:10px;cursor:pointer}.button.secondary{background:var(--brand-mid)}.button.accent{background:var(--brand-accent)}.button.ghost{background:transparent;color:var(--brand-dark);border:1px solid var(--brand-dark)}input[type=file],input[type=email],input[type=text],input[type=password]{padding:8px 10px;border:1px solid var(--border);border-radius:8px;background:#fff}.card{background:var(--card);border:1px solid var(--border);border-radius:16px;box-shadow:0 2px 10px #0000000a}.header{display:flex;align-items:center;gap:12px;border-bottom:1px solid var(--border);padding:12px 16px;background:#fff}.header h1{margin:0;font-size:18px;color:var(--brand-dark);letter-spacing:.5px}.brand-tag{color:var(--muted);font-size:12px}.linklike{color:var(--brand-dark);cursor:pointer;text-decoration:underline}.tabs-wrap{background:#fff;border-bottom:1px solid var(--border);padding:0 16px}.tabs{display:flex;gap:6px;max-width:980px;margin:0 auto}.tab-button{-webkit-appearance:none;-moz-appearance:none;appearance:none;background:transparent;border:0;border-bottom:3px solid transparent;color:var(--muted);cursor:pointer;font:inherit;font-weight:700;padding:12px 14px 10px}.tab-button:hover{color:var(--brand-dark)}.tab-button.active{border-bottom-color:var(--brand-accent);color:var(--brand-dark)}.sales-section{border:1px solid var(--border);border-radius:12px;margin-top:16px;padding:12px}.sales-options{display:grid;gap:10px;grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}.sales-option{align-items:flex-start;border:1px solid var(--border);border-radius:10px;cursor:pointer;display:flex;gap:10px;min-height:92px;padding:12px}.sales-option span{display:grid;gap:4px}.sales-option span span{color:var(--muted);font-size:13px;line-height:1.35}.sales-actions{align-items:center;display:flex;gap:12px;justify-content:space-between;margin-top:20px}.estimate-summary{display:grid;gap:10px;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));margin-bottom:14px}.estimate-summary div{border:1px solid var(--border);border-radius:10px;padding:12px}.estimate-summary span{color:var(--muted);display:block;font-size:12px;margin-bottom:4px}.estimate-summary strong{color:var(--brand-dark);font-size:20px}