.nav{background-color:#fff;border-bottom:3px solid #0057a3d2;box-shadow:0 2px 6px #0000000d;font-family:Arial,sans-serif;position:sticky;top:0;z-index:100}.nav__inner{max-width:1200px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;padding:10px 14px;gap:12px}.nav__brand{font-weight:800;font-size:1.1rem;color:#0f172a;letter-spacing:.5px}.nav__toggle{display:none;flex-direction:column;gap:4px;background:none;border:none;cursor:pointer;padding:6px}.nav__burger{width:22px;height:2px;background:#0f172a;display:block}.nav__links{display:flex;align-items:center;gap:8px}.nav__search{display:flex;gap:6px;align-items:center}.nav__search input{border:1px solid #dbe3f2;border-radius:10px;padding:8px 10px;min-width:180px;font-size:.95rem}.nav__search button{border:1px solid #0058a3;background:#0058a3;color:#fff;padding:8px 10px;border-radius:10px;font-weight:700;cursor:pointer}.nav__link{text-decoration:none;color:#0058a3;padding:10px 14px;border-radius:8px;font-weight:700;transition:background-color .2s ease,color .2s ease}.nav__link:hover{background-color:#eef4ff}.nav__link.active{border-bottom:3px solid #0058a3;color:#0058a3}.nav__chat{border:1px solid #0058a3;background:#0058a3;color:#fff;padding:10px 14px;border-radius:10px;font-weight:700;cursor:pointer;transition:transform .15s ease,box-shadow .2s ease}.nav__chat:hover{transform:translateY(-1px);box-shadow:0 8px 18px #0058a333}@media(max-width:900px){.nav__toggle{display:inline-flex}.nav__links{position:absolute;left:0;right:0;top:64px;background:#fff;border-bottom:1px solid #e2e8f0;display:none;flex-direction:column;align-items:stretch;padding:10px 14px 16px;gap:6px}.nav__links.is-open{display:flex}.nav__link,.nav__chat{width:100%;text-align:left}}.nav__brand.logged-in-shadow{font-size:1.25rem;font-weight:600;color:#0058a3;text-shadow:0 2px 4px rgba(0,0,0,.35);letter-spacing:.3px;transition:.2s ease}.nav__brand.logged-in-shadow:hover{text-shadow:0 3px 6px rgba(0,0,0,.45);transform:translateY(-1px)}.signout-link:after{display:none!important}.footer{background:#0f172a;color:#e2e8f0;font-family:Arial,sans-serif;padding:32px 16px 22px;margin-top:40px}.footer__brand{max-width:1080px;margin:0 auto 18px}.footer-title{font-weight:800;font-size:1.2rem;margin:0}.footer-subtitle{margin:6px 0 4px;color:#cbd5e1}.footer-tagline{margin:0;color:#94a3b8}.footer__cols{max-width:1080px;margin:0 auto;display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:16px;padding:12px 0 18px}.footer__cols h4{margin:0 0 8px;color:#e2e8f0;font-size:1rem}.footer__cols p{margin:4px 0;color:#cbd5e1}.footer__bottom{max-width:1080px;margin:0 auto;border-top:1px solid #1f2937;padding-top:12px;text-align:center;color:#94a3b8;font-size:.9rem}.chat-button{position:fixed;bottom:22px;right:22px;background:linear-gradient(135deg,#0f6fff,#0fb1d6);color:#fff;border:none;border-radius:50%;width:60px;height:60px;font-size:1.6rem;cursor:pointer;box-shadow:0 14px 45px #0f6fff59;transition:transform .2s ease,box-shadow .2s ease,background .2s ease;z-index:1100}.chat-button:hover{transform:translateY(-2px);box-shadow:0 18px 55px #0f6fff73}.chat-button.open{background:linear-gradient(135deg,#0b82b9,#0d49a3)}.chat-badge{position:absolute;top:-6px;right:-6px;background:#f97316;color:#fff;border-radius:999px;padding:4px 8px;font-size:.75rem;font-weight:700;box-shadow:0 6px 18px #f9731659}.chat-box{position:fixed;bottom:96px;right:24px;width:380px;max-width:calc(100vw - 32px);height:520px;background:radial-gradient(circle at 10% 20%,rgba(14,165,233,.12),transparent 38%),radial-gradient(circle at 80% 0%,rgba(37,99,235,.16),transparent 45%),#fafcffd1;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-radius:20px;border:1px solid rgba(13,73,163,.12);box-shadow:0 30px 80px #06285e2e,0 10px 20px #0f6fff14;display:flex;flex-direction:column;overflow:hidden;z-index:1100}.chat-header{background:linear-gradient(135deg,#0f6fff,#0fb1d6);color:#fff;padding:10px 12px 8px;display:grid;grid-template-columns:1fr auto;align-items:center;gap:8px}.chat-title{display:flex;align-items:center;gap:10px;font-weight:700}.chat-status-dot{width:10px;height:10px;border-radius:50%;background:#22c55e;box-shadow:0 0 0 6px #22c55e38}.chat-label{margin:0;font-size:.95rem;letter-spacing:.3px}.chat-subtitle{margin:2px 0 0;font-size:.8rem;opacity:.85;font-weight:500}.close-btn{background:#ffffff29;border:1px solid rgba(255,255,255,.25);color:#fff;font-size:1rem;cursor:pointer;width:34px;height:34px;border-radius:12px;transition:background .2s ease,transform .2s ease}.close-btn:hover{background:#ffffff42;transform:translateY(-1px)}.chat-messages{flex:1;padding:12px 12px 6px;overflow-y:auto;background:linear-gradient(180deg,#0f6fff0a,#fff0)}.chat-messages::-webkit-scrollbar{width:6px}.chat-messages::-webkit-scrollbar-thumb{background-color:#c8d7ec;border-radius:10px}.placeholder{color:#6c7a90;text-align:center;margin-top:20px;font-weight:600;padding:16px;border:1px dashed #dbe8ff;border-radius:12px;background:#0ea5e90a}.message-row{display:flex;align-items:flex-end;gap:10px;margin:10px 0}.message-row.user{flex-direction:row-reverse}.avatar{width:34px;height:34px;border-radius:12px;background:#e8f0ff;display:grid;place-items:center;font-size:.9rem;color:#0d49a3;box-shadow:inset 0 0 0 1px #d7e3ff}.message-row.user .avatar{background:#0f6fff;color:#fff;box-shadow:0 10px 22px #0f6fff40}.bubble{background:linear-gradient(135deg,#ffffffe6,#eff6ffe6);border:1px solid #e4ecf7;border-radius:16px 16px 16px 6px;padding:12px 14px;max-width:78%;box-shadow:0 18px 34px #0d49a314;color:#0f172a;font-weight:600;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.message-row.user .bubble{background:linear-gradient(135deg,#0f6fff,#0fb1d6);color:#fff;border-color:transparent;border-radius:14px 14px 4px;box-shadow:0 14px 34px #0f6fff40}.bubble p{margin:0 0 6px;line-height:1.45}.bubble .meta{font-size:.75rem;opacity:.8}.bubble.typing{display:inline-flex;gap:5px;align-items:center;width:auto}.dot{width:8px;height:8px;background:#0f6fff;border-radius:50%;animation:blink 1s infinite ease-in-out}.dot:nth-child(2){animation-delay:.15s}.dot:nth-child(3){animation-delay:.3s}@keyframes blink{0%,80%,to{opacity:.2;transform:translateY(0)}40%{opacity:1;transform:translateY(-2px)}}.chat-input{display:flex;align-items:center;gap:10px;padding:12px 14px 14px;border-top:1px solid #e4ecf7;background:#fff}.chat-input input{flex:1;padding:12px;border:1px solid #d9e5ff;border-radius:12px;outline:none;font-size:.95rem;transition:border-color .2s ease,box-shadow .2s ease}.chat-input input:focus{border-color:#0f6fff;box-shadow:0 0 0 4px #0f6fff26}.chat-input button{background:linear-gradient(135deg,#0f6fff,#0fb1d6);color:#fff;border:none;border-radius:12px;padding:11px 16px;cursor:pointer;font-weight:700;box-shadow:0 14px 34px #0f6fff38;transition:transform .15s ease,box-shadow .2s ease}.chat-input button:hover{transform:translateY(-1px);box-shadow:0 18px 38px #0f6fff42}@media(max-width:640px){.chat-box{width:calc(100vw - 24px);right:12px;bottom:88px;height:480px}.chat-button{right:16px;bottom:16px}}body{font-family:Segoe UI,Arial,sans-serif;margin:0;padding:0;background-color:#f8f9fa;color:#1a1a1a}.checkout-page{padding:32px 18px 60px;background:radial-gradient(circle at 10% 20%,rgba(0,88,163,.06),transparent 30%),radial-gradient(circle at 80% 0%,rgba(15,23,42,.05),transparent 32%),#f5f7fb;min-height:72vh;max-width:1240px;margin:0 auto;display:grid;gap:18px}.checkout-header{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}.checkout-header h1{margin:0;color:#0f172a}.checkout-header p{margin:4px 0 0;color:#475569}.checkout-back{color:#0058a3;text-decoration:none;font-weight:700;border:1px solid #cbd5e1;border-radius:999px;padding:8px 14px;background:#fff;white-space:nowrap}.app-shell{min-height:100vh;display:flex;flex-direction:column}.app-content{flex:1}.login-page{display:flex;flex-direction:column;align-items:center;justify-content:center;background-color:#f8f9fa;min-height:calc(100vh - 120px);padding-top:0;padding-bottom:0;box-sizing:border-box}.login-box{width:360px;background:#fff;border-radius:12px;box-shadow:0 4px 14px #00000014;padding:40px 32px;border-top:6px solid #0058a3;text-align:center}.login-title{font-size:26px;font-weight:600;margin-bottom:28px;color:#0058a3}.login-form{display:flex;flex-direction:column;align-items:center;gap:10px}.login-input{padding:14px;border:1px solid #ccc;border-radius:8px;font-size:15px;outline:none;transition:border-color .25s ease,box-shadow .25s ease;width:100%}.login-input:focus{border-color:#0058a3;box-shadow:0 0 4px #0058a34d}.login-links{display:flex;justify-content:space-between;font-size:13px;color:#0058a3;margin-top:-4px;width:100%;box-sizing:border-box}.login-link{cursor:pointer;transition:color .25s ease}.login-link:hover{color:#003d73;text-decoration:underline}.login-button{background-color:#2557a7;color:#fff;border:none;width:100%;padding:16px 0;border-radius:50px;cursor:pointer;font-size:16px;font-weight:600;letter-spacing:.2px;transition:all .3s ease;margin-top:12px;box-shadow:0 3px 8px #0000001f}.login-button:hover{background-color:#1f4b91;transform:translateY(-1px);box-shadow:0 5px 12px #0000002e}.login-button:active{background-color:#194074;transform:translateY(0)}.logo-container{display:flex;justify-content:center;margin-top:50px}.login-logo{width:280px;height:auto;margin-bottom:0}@media(max-width:480px){.login-box{width:90%;padding:32px 24px}.login-title{font-size:22px}.login-button{font-size:15px}}.checkout-grid{display:grid;grid-template-columns:minmax(0,2fr) minmax(320px,1fr);gap:20px;align-items:start}.checkout-card{background:linear-gradient(145deg,#f8fafc,#eff6ff);border-radius:18px;padding:24px;width:100%;box-shadow:0 16px 40px #00000014;border:1px solid #e5e7eb}.checkout-card form{width:100%}.checkout-card input,.checkout-card textarea,.checkout-card select{box-sizing:border-box}.checkout-summary{background:#fff;border-radius:16px;padding:20px;border:1px solid #e5e7eb;box-shadow:0 12px 30px #0000000f;position:sticky;top:90px}.summary-list{display:flex;flex-direction:column;gap:12px}.summary-item{display:flex;justify-content:space-between;align-items:center;padding:10px 12px;border-radius:12px;background:#f8fafc;border:1px solid #e5e7eb}.summary-name{font-weight:700;color:#0f172a}.summary-meta{color:#475569;font-size:.9rem}.summary-price{font-weight:800;color:#0f172a}.summary-totals{margin-top:16px;border-top:1px solid #e5e7eb;padding-top:12px;display:grid;gap:8px}.summary-note{margin:8px 0 0;color:#475569;font-size:.9rem}@media(max-width:960px){.checkout-grid{grid-template-columns:1fr}.checkout-summary{order:-1;position:static}}