:root{--bg: #f5f6fd;--bg-soft: #f2f4fb;--surface: #ffffff;--surface-2: #eef1fb;--border: #e6e8f4;--text: #1b2036;--text-dim: #6b7488;--primary: #6d5efc;--primary-hover: #5a49f0;--primary-soft: rgba(109, 94, 252, .12);--accent: #ff7a9a;--success: #16a34a;--error: #e11d48;--radius: 16px;--shadow: 0 12px 30px rgba(76, 70, 150, .1);--shadow-lg: 0 20px 50px rgba(76, 70, 150, .16);font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box}body{margin:0;color:var(--text);min-height:100vh;-webkit-font-smoothing:antialiased;background:radial-gradient(760px 460px at 8% -8%,#e2e0ff 0%,transparent 60%),radial-gradient(720px 460px at 100% 0%,#ffe1ec 0%,transparent 55%),radial-gradient(700px 500px at 50% 120%,#d7f0ff 0%,transparent 60%),linear-gradient(180deg,#f8f9ff,#eef1fb);background-attachment:fixed}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}.container{width:100%;max-width:1080px;margin:0 auto;padding:0 20px}.page-center{display:grid;place-items:center;min-height:60vh;color:var(--text-dim)}.navbar{position:sticky;top:0;z-index:20;background:#ffffffb8;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);border-bottom:1px solid var(--border)}.navbar-inner{display:flex;align-items:center;justify-content:space-between;height:64px}.brand{font-weight:800;font-size:20px;color:var(--text);display:flex;align-items:center;gap:8px}.brand:hover{text-decoration:none}.brand-mark{display:grid;place-items:center;width:30px;height:30px;border-radius:9px;background:linear-gradient(135deg,var(--primary),#9b6bff);color:#fff;font-weight:800;box-shadow:0 6px 14px #6d5efc66}.nav-links{display:flex;align-items:center;gap:16px}.nav-link,.nav-user{color:var(--text-dim);font-size:14px}.nav-cart{position:relative;color:var(--text);font-weight:600;font-size:14px}.badge{position:absolute;top:-8px;right:-14px;background:var(--accent);color:#fff;font-size:11px;min-width:18px;height:18px;border-radius:9px;display:inline-grid;place-items:center;padding:0 5px}.btn{border:1px solid transparent;border-radius:11px;padding:11px 18px;font-size:14px;font-weight:600;cursor:pointer;transition:all .15s ease;color:var(--text);background:var(--surface-2)}.btn:hover{transform:translateY(-1px)}.btn:disabled{opacity:.6;cursor:not-allowed;transform:none}.btn-primary{background:linear-gradient(135deg,var(--primary),#9b6bff);color:#fff;box-shadow:0 8px 20px #6d5efc59}.btn-primary:hover{box-shadow:0 10px 26px #6d5efc73}.btn-ghost{background:#fff;border-color:var(--border);color:var(--text-dim)}.btn-ghost:hover{color:var(--primary);border-color:var(--primary)}.btn-block{width:100%}.btn-sm{padding:8px 14px;font-size:13px}.btn-lg{padding:15px 20px;font-size:16px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:24px}.page-title{font-size:27px;margin:24px 0 16px;font-weight:800}.section-title{font-size:18px;margin:28px 0 14px;color:var(--text-dim)}.form{display:flex;flex-direction:column;gap:14px}.field{display:flex;flex-direction:column;gap:6px}.field>span{font-size:13px;color:var(--text-dim);font-weight:500}.field input{background:var(--bg-soft);border:1px solid var(--border);border-radius:11px;padding:12px 14px;color:var(--text);font-size:15px;outline:none;transition:border .15s ease,box-shadow .15s ease,background .15s ease}.field input::placeholder{color:#aab0c2}.field input:focus{border-color:var(--primary);background:#fff;box-shadow:0 0 0 4px var(--primary-soft)}.field-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}.form-section{margin:8px 0 -2px;font-size:14px;color:var(--text-dim);border-top:1px solid var(--border);padding-top:16px}.alert{padding:12px 14px;border-radius:11px;font-size:14px;margin-bottom:16px}.alert-error{background:#fff0f3;border:1px solid #ffccd5;color:#be123c}.auth-wrap{display:grid;place-items:center;min-height:calc(100vh - 64px);padding:30px 0}.auth-card{width:100%;max-width:400px;box-shadow:var(--shadow-lg)}.auth-title{margin:0 0 4px;font-size:24px;font-weight:800}.auth-sub{margin:0 0 22px;color:var(--text-dim);font-size:14px}.auth-foot{margin-top:18px;text-align:center;color:var(--text-dim);font-size:14px}.cart-layout{display:grid;grid-template-columns:1fr 340px;gap:24px;align-items:start;padding-bottom:40px}.cart-list{display:flex;flex-direction:column;gap:6px;padding:10px 14px}.cart-row{display:grid;grid-template-columns:44px 1fr auto auto 28px;align-items:center;gap:14px;padding:12px 6px;border-bottom:1px solid var(--border)}.cart-row:last-child{border-bottom:none}.cart-emoji{font-size:26px;width:44px;height:44px;display:grid;place-items:center;background:linear-gradient(135deg,#eef0ff,#ffe9f1);border-radius:11px}.cart-name{font-weight:600}.cart-price{color:var(--text-dim);font-size:13px}.qty{display:flex;align-items:center;gap:10px;background:var(--surface-2);border-radius:9px;padding:4px 8px}.qty button{background:none;border:none;color:var(--primary);font-size:18px;cursor:pointer;width:20px;font-weight:700}.cart-line-total{font-weight:700;min-width:70px;text-align:right}.remove{background:none;border:none;color:#b8bece;cursor:pointer;font-size:14px}.remove:hover{color:var(--error)}.empty{color:var(--text-dim);text-align:center}.catalog{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:14px}.product{padding:18px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:8px;transition:transform .15s ease,box-shadow .15s ease}.product:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}.product-emoji{font-size:34px}.product-name{font-weight:600;font-size:14px}.product-price{color:var(--text-dim);font-size:14px;margin-bottom:4px}.summary{position:sticky;top:88px}.summary h2{margin:0 0 16px;font-size:18px}.summary-row{display:flex;justify-content:space-between;font-size:14px;color:var(--text-dim);padding:6px 0}.summary-total{color:var(--text);font-size:18px;font-weight:800}.summary-divider{height:1px;background:var(--border);margin:10px 0}.summary .btn{margin-top:16px}.summary-note{text-align:center;color:var(--text-dim);font-size:12px;margin:12px 0 0}.info-note{background:linear-gradient(135deg,#f1efff,#fff0f5);border:1px solid #e7e3ff;border-radius:11px;padding:10px;line-height:1.5;color:#5b5470}.info-note code{color:var(--primary);background:var(--primary-soft);padding:1px 5px;border-radius:5px}.checkout-layout{display:grid;grid-template-columns:1fr 340px;gap:24px;align-items:start;padding:24px 0 48px}.pay-header{display:flex;align-items:center;gap:14px;margin-bottom:22px}.pay-header h1{margin:0;font-size:22px;font-weight:800}.pay-header p{margin:2px 0 0;color:var(--text-dim);font-size:14px}.lock{font-size:26px;width:48px;height:48px;display:grid;place-items:center;background:linear-gradient(135deg,#eceaff,#ffe6ee);border-radius:13px}.method-select{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:20px}.method-tile{display:flex;align-items:center;gap:12px;padding:14px;border:1.5px solid var(--border);border-radius:14px;background:var(--surface);cursor:pointer;text-align:left;transition:all .15s ease}.method-tile:hover{border-color:#c9c2ff}.method-tile.active{border-color:var(--primary);background:var(--primary-soft);box-shadow:0 8px 20px #6d5efc26}.method-icon{font-size:26px;width:46px;height:46px;display:grid;place-items:center;border-radius:12px;background:linear-gradient(135deg,#eef0ff,#ffe9f1);flex-shrink:0}.method-text{display:flex;flex-direction:column}.method-text strong{font-size:15px}.method-text small{color:var(--text-dim);font-size:12px;margin-top:1px}.wallet-panel{text-align:center;padding:12px 6px 4px}.wallet-illus{font-size:54px;width:96px;height:96px;display:grid;place-items:center;margin:6px auto 14px;border-radius:50%;background:linear-gradient(135deg,#eceaff,#ffe6ee)}.wallet-panel h2{margin:0 0 8px;font-size:20px;font-weight:800}.wallet-panel p{color:var(--text-dim);font-size:14px;margin:0 auto 20px;max-width:340px;line-height:1.55}.wallet-panel .btn{margin-bottom:12px}.mode-toggle{display:flex;background:var(--surface-2);border:1px solid var(--border);border-radius:12px;padding:4px;gap:4px;margin-bottom:20px}.mode-toggle button{flex:1;background:none;border:none;color:var(--text-dim);padding:9px;border-radius:9px;cursor:pointer;font-weight:600;font-size:14px;transition:all .15s ease}.mode-toggle button.active{background:#fff;color:var(--primary);box-shadow:0 4px 12px #4c46961f}.card-visual-wrap{display:flex;justify-content:center;margin-bottom:22px}.credit-card{width:340px;height:200px;border-radius:18px;padding:22px;color:#fff;background:linear-gradient(135deg,#5b5fef,#8b5cf6);box-shadow:0 18px 40px #5b5fef66;display:flex;flex-direction:column;justify-content:space-between;position:relative;transition:transform .4s ease,background .4s ease}.credit-card.brand-visa{background:linear-gradient(135deg,#2b3a9c,#4f65e0)}.credit-card.brand-mastercard{background:linear-gradient(135deg,#e0592f,#f7a13b)}.credit-card.brand-amex{background:linear-gradient(135deg,#0aa06e,#14c2a3)}.credit-card.is-flipped{transform:rotateY(6deg) scale(.99)}.cc-top{display:flex;justify-content:space-between;align-items:center}.cc-chip{width:42px;height:30px;border-radius:6px;background:linear-gradient(135deg,#f6dd8e,#d4b23a)}.cc-brand{font-weight:800;font-style:italic;letter-spacing:1px}.cc-number{font-size:21px;letter-spacing:2px;font-family:Courier New,monospace}.cc-bottom{display:flex;justify-content:space-between}.cc-label{font-size:9px;text-transform:uppercase;opacity:.75;letter-spacing:1px}.cc-value{font-size:14px;font-weight:600;text-transform:uppercase}.saved-cards{display:flex;flex-direction:column;gap:10px;margin-bottom:8px}.saved-card{display:flex;align-items:center;gap:12px;padding:14px;border:1px solid var(--border);border-radius:13px;background:var(--bg-soft);cursor:pointer;transition:border .15s ease,background .15s ease,box-shadow .15s ease}.saved-card.selected{border-color:var(--primary);background:var(--primary-soft);box-shadow:0 6px 16px #6d5efc26}.saved-card input{accent-color:var(--primary);width:18px;height:18px}.saved-icon{font-size:22px}.saved-meta{display:flex;flex-direction:column}.saved-brand{font-weight:700}.saved-exp{font-size:12px;color:var(--text-dim)}.cvv-only{margin-top:6px}.cvv-field{max-width:200px}.hint{color:var(--text-dim);font-size:13px;margin:4px 0 0}.save-toggle{display:flex;align-items:flex-start;gap:12px;padding:14px;border:1px solid var(--border);border-radius:13px;background:var(--bg-soft);cursor:pointer;margin-top:4px}.save-toggle input{margin-top:3px;accent-color:var(--primary);width:18px;height:18px}.save-toggle span{display:flex;flex-direction:column}.save-toggle small{color:var(--text-dim);font-size:12px;margin-top:2px}.success-wrap{display:grid;place-items:center;min-height:calc(100vh - 64px);padding:30px 0}.success-card{max-width:440px;width:100%;text-align:center;box-shadow:var(--shadow-lg)}.success-check{width:72px;height:72px;border-radius:50%;background:#e7f8ee;color:var(--success);font-size:38px;display:grid;place-items:center;margin:0 auto 18px;border:2px solid var(--success);animation:pop .35s ease}@keyframes pop{0%{transform:scale(.4);opacity:0}to{transform:scale(1);opacity:1}}.success-card h1{margin:0 0 4px;font-weight:800}.success-sub{color:var(--text-dim);margin:0 0 22px}.receipt{text-align:left;background:var(--bg-soft);border-radius:13px;padding:16px;margin-bottom:20px;border:1px solid var(--border)}.receipt-row{display:flex;justify-content:space-between;padding:9px 0;border-bottom:1px solid var(--border);font-size:14px;color:var(--text-dim)}.receipt-row:last-child{border-bottom:none}.receipt-row strong{color:var(--text)}.mono{font-family:Courier New,monospace;font-size:13px}.status-paid{color:var(--success)}@media (max-width: 860px){.cart-layout,.checkout-layout{grid-template-columns:1fr}.summary{position:static}}@media (max-width: 480px){.field-row{grid-template-columns:1fr}.cart-row{grid-template-columns:40px 1fr auto;grid-template-areas:"emoji info remove" "emoji qty total"}.credit-card{width:100%}}