:root{--blue-50:#eff6ff;--blue-100:#dbeafe;--blue-600:#2563eb;--blue-700:#1d4ed8;--green-50:#f0fdf4;--green-100:#dcfce7;--green-600:#16a34a;--red-50:#fef2f2;--red-600:#dc2626;--amber-50:#fffbeb;--amber-600:#d97706;--slate-100:#f1f5f9;--slate-200:#e2e8f0;--slate-500:#64748b;--slate-700:#334155;--primary:var(--blue-600);--primary-dark:var(--blue-700);--primary-light:var(--blue-50);--success:var(--green-600);--danger:var(--red-600);--text:#111827;--text-muted:#6b7280;--border:#e5e7eb;--surface:#f9fafb;--bg:#f3f4f6;--radius-sm:6px;--radius:10px;--radius-lg:14px;--shadow-sm:0 1px 3px #00000012;--shadow:0 2px 8px #00000017;--shadow-lg:0 4px 20px #0000001c}*,:before,:after{box-sizing:border-box}body{background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;margin:0;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;line-height:1.5}input,textarea,select,button{font-family:inherit}h1,h2,h3,h4{margin:0;line-height:1.25}p{margin:0}.nav-bar{border-bottom:1px solid var(--border);box-shadow:var(--shadow-sm);z-index:100;background:#fff;position:sticky;top:0}.nav-inner{justify-content:space-between;align-items:center;max-width:1060px;height:56px;margin:0 auto;padding:0 1.5rem;display:flex}.nav-logo{color:var(--primary);letter-spacing:-.02em;-webkit-user-select:none;user-select:none;font-size:1rem;font-weight:700}.nav-logo span{color:var(--text);font-weight:500}.nav-links{gap:2px;display:flex}.nav-btn{color:var(--text-muted);border-radius:var(--radius-sm);cursor:pointer;white-space:nowrap;background:0 0;border:none;align-items:center;gap:6px;padding:6px 13px;font-size:13.5px;font-weight:500;transition:background .12s,color .12s;display:inline-flex}.nav-btn:hover{background:var(--surface);color:var(--text)}.nav-btn.active{background:var(--primary-light);color:var(--primary);font-weight:600}.app-content{max-width:1060px;margin:0 auto;padding:2rem 1.5rem}.page-header{margin-bottom:1.25rem}.page-title{color:var(--text);letter-spacing:-.015em;font-size:1.35rem;font-weight:700}.page-subtitle{color:var(--text-muted);margin-top:3px;font-size:.85rem}.card{border-radius:var(--radius-lg);border:1px solid var(--border);box-shadow:var(--shadow);background:#fff;margin-bottom:1rem;padding:1.5rem}.section-title{text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted);border-bottom:1px solid var(--border);margin-bottom:.9rem;padding-bottom:.55rem;font-size:.72rem;font-weight:700}.form-group{margin-bottom:.65rem}.form-label{color:var(--slate-700);margin-bottom:4px;font-size:.78rem;font-weight:600;display:block}.form-input,.form-textarea,.form-select{border:1px solid var(--border);border-radius:var(--radius-sm);width:100%;color:var(--text);background:#fff;outline:none;padding:8px 11px;font-size:14px;transition:border-color .15s,box-shadow .15s}.form-input:focus,.form-textarea:focus,.form-select:focus{border-color:var(--primary);box-shadow:0 0 0 3px #2563eb1a}.form-textarea{resize:vertical;line-height:1.6}.form-grid-2{grid-template-columns:1fr 1fr;gap:.65rem;display:grid}.btn{border-radius:var(--radius-sm);cursor:pointer;white-space:nowrap;border:none;align-items:center;gap:6px;padding:8px 16px;font-size:14px;font-weight:600;transition:background .13s,opacity .13s;display:inline-flex}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark)}.btn-primary:disabled{cursor:not-allowed;background:#9ca3af}.btn-secondary{background:var(--surface);color:var(--slate-700);border:1px solid var(--border)}.btn-secondary:hover{background:var(--border)}.btn-block{justify-content:center;width:100%;margin-top:1rem;padding:10px;font-size:15px}.alert{border-radius:var(--radius-sm);border:1px solid #0000;margin-bottom:1rem;padding:10px 14px;font-size:13.5px;font-weight:500}.alert-success{background:var(--green-50);color:var(--success);border-color:var(--green-100)}.alert-error{background:var(--red-50);color:var(--danger);border-color:#fecaca}.spinner{border:2px solid #ffffff59;border-top-color:#fff;border-radius:50%;width:14px;height:14px;animation:.65s linear infinite spin;display:inline-block}@keyframes spin{to{transform:rotate(360deg)}}@keyframes shake{0%,to{transform:translate(0)}20%{transform:translate(-5px)}40%{transform:translate(5px)}60%{transform:translate(-4px)}80%{transform:translate(4px)}}.quote-result{margin-top:0}.quote-result-header{justify-content:space-between;align-items:center;margin-bottom:1rem;display:flex}.quote-result-title{font-size:1rem;font-weight:700}.quote-description{color:var(--slate-700);background:var(--primary-light);border-radius:var(--radius-sm);border-left:3px solid var(--primary);margin-bottom:1rem;padding:11px 13px;font-size:13.5px;line-height:1.65}.quote-badges{flex-wrap:wrap;gap:6px;margin-bottom:1rem;display:flex}.badge{background:var(--blue-100);color:var(--primary);border-radius:20px;padding:3px 9px;font-size:11.5px;font-weight:600;display:inline-block}.badge-green{background:var(--green-50);color:var(--success)}.badge-gray{background:var(--surface);color:var(--text-muted);border:1px solid var(--border)}.quote-breakdown{border-collapse:collapse;width:100%;font-size:13.5px}.quote-breakdown td{border-bottom:1px solid var(--border);padding:7px 0}.quote-breakdown td:last-child{text-align:right;font-variant-numeric:tabular-nums;color:var(--slate-700)}.quote-breakdown td:first-child{color:var(--text-muted)}.quote-breakdown tr:last-child td{border-bottom:none}.quote-total-row td{font-size:1rem;font-weight:700;border-top:2px solid var(--border)!important;color:var(--text)!important;border-bottom:none!important;padding-top:13px!important}.quote-total-amount{font-size:1.25rem;color:var(--primary)!important}.login-wrap{justify-content:center;align-items:center;min-height:calc(100vh - 56px);padding:2rem;display:flex}.login-card{border-radius:var(--radius-lg);border:1px solid var(--border);width:100%;max-width:360px;box-shadow:var(--shadow-lg);background:#fff;padding:2rem}.login-title{text-align:center;margin-bottom:.25rem;font-size:1.15rem;font-weight:700}.login-subtitle{color:var(--text-muted);text-align:center;margin-bottom:1.5rem;font-size:.85rem}.login-lock{color:var(--primary);justify-content:center;margin-bottom:1.25rem;display:flex}.admin-tabs{background:var(--surface);border-radius:var(--radius);border:1px solid var(--border);flex-wrap:wrap;gap:4px;width:fit-content;margin-bottom:1rem;padding:4px;display:flex}.admin-tab{color:var(--text-muted);border-radius:var(--radius-sm);cursor:pointer;background:0 0;border:none;padding:7px 14px;font-size:13px;font-weight:500;transition:all .12s}.admin-tab:hover{background:var(--border);color:var(--text)}.admin-tab.active{color:var(--primary);box-shadow:var(--shadow-sm);background:#fff;font-weight:600}