:root{--ink:#111115;--purple:#704fe0;--paper:#f8f6ff;--muted:#6d6875;--line:rgba(17,17,21,.14)}
*{box-sizing:border-box}
html{font-size:16px}
body{margin:0;min-height:100svh;padding:clamp(22px,3vw,46px);display:grid;grid-template-columns:minmax(0,1fr) minmax(400px,500px);align-items:center;gap:clamp(42px,6vw,92px);overflow-x:hidden;color:var(--ink);background:radial-gradient(circle at 12% 12%,rgba(246,185,217,.72),transparent 30rem),radial-gradient(circle at 92% 90%,rgba(189,236,228,.76),transparent 32rem),linear-gradient(135deg,#ffe6d5,#efeaff 55%,#dff8f3);font-family:"Noto Sans Thai",sans-serif;line-height:1.6}
body::before{content:"";position:fixed;width:min(42vw,610px);height:min(42vw,610px);right:-9vw;top:-18vw;border:1px solid rgba(255,255,255,.75);border-radius:50%;box-shadow:0 0 0 55px rgba(255,255,255,.12),0 0 0 110px rgba(255,255,255,.08);pointer-events:none}
.login{grid-column:2;width:100%;max-width:500px;justify-self:end;padding:clamp(34px,4vw,52px);position:relative;z-index:2;background:rgba(255,255,255,.88);border:1px solid rgba(255,255,255,.9);border-radius:26px;box-shadow:0 30px 90px rgba(47,30,85,.15);backdrop-filter:blur(22px)}
.brand{display:inline-flex;align-items:center;gap:9px;margin-bottom:38px;color:var(--ink);text-decoration:none}
.brand img{width:48px;height:48px;object-fit:contain}
.brand span{font:700 24px/1 "DM Sans",sans-serif;letter-spacing:-1.3px}
.brand b{color:var(--purple)}
.login-kicker,.login-intro>span{margin-bottom:12px;color:var(--purple);font:700 14px/1 "DM Sans",sans-serif;letter-spacing:1.8px}
.login h1{margin:0 0 8px;font-size:clamp(32px,3vw,42px);line-height:1.2;letter-spacing:-1.4px}
.login>p{margin:0 0 30px;color:var(--muted);font-size:17px}
.field{display:block;margin-bottom:20px;font-size:16px;font-weight:700}
.field input{display:block;width:100%;height:56px;margin-top:8px;padding:0 16px;border:1px solid #d7d1df;border-radius:11px;background:#fff;color:var(--ink);font:500 16px "Noto Sans Thai",sans-serif;transition:border-color .2s,box-shadow .2s}
.field input::placeholder{color:#928d99;font-weight:400}
.field input:hover{border-color:#aaa1b7}
.field input:focus{border-color:var(--purple);outline:0;box-shadow:0 0 0 4px rgba(112,79,224,.14)}
.submit{width:100%;height:56px;margin-top:3px;padding:0 18px;display:flex;align-items:center;justify-content:space-between;border:0;border-radius:11px;background:var(--ink);color:#fff;font:700 16px "Noto Sans Thai",sans-serif;cursor:pointer;transition:transform .2s,background .2s,box-shadow .2s}
.submit:hover{transform:translateY(-2px);background:var(--purple);box-shadow:0 12px 28px rgba(112,79,224,.24)}
.submit:focus-visible{outline:3px solid rgba(112,79,224,.28);outline-offset:3px}
.register-cta{display:block;margin-top:14px;padding:12px 14px;border:1px solid rgba(112,79,224,.2);border-radius:11px;background:rgba(240,235,255,.62);color:var(--muted);font-size:14px;text-align:center;text-decoration:none}.register-cta strong{color:var(--purple)}.register-cta:hover{border-color:var(--purple);background:#f0ebff}
.meta{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-top:22px;font-size:14px}
.meta a{color:var(--ink);font-weight:600;text-underline-offset:3px}
.meta a:hover{color:var(--purple)}
.remember{display:flex;align-items:center;gap:9px;cursor:pointer}
.remember input{width:18px;height:18px;margin:0;accent-color:var(--purple)}
.error{margin-bottom:20px;padding:13px 15px;border:1px solid rgba(159,57,36,.16);border-radius:10px;background:#fff0ec;color:#8f2e1b;font-size:15px;font-weight:600}
.login-intro{grid-column:1;grid-row:1;position:relative;z-index:1;max-width:690px;padding:24px 0}
.login-intro h2{margin:20px 0 26px;font-size:clamp(42px,4.6vw,62px);line-height:1.04;letter-spacing:-2.6px}
.login-intro h2 em{color:var(--purple);font-style:normal}
.login-intro p{margin:0;color:#544f5b;font-size:18px}
.flow-pills{display:flex;flex-wrap:wrap;gap:9px;margin-top:34px}
.flow-pills b{padding:9px 14px;border:1px solid var(--line);border-radius:99px;background:rgba(255,255,255,.45);font:700 14px "DM Sans",sans-serif}
.flow-visual{position:relative;width:min(100%,620px);height:260px;margin:34px 0 10px}.flow-line{position:absolute;left:8%;right:8%;top:50%;height:1px;background:linear-gradient(90deg,transparent,rgba(112,79,224,.55),rgba(17,17,21,.22),transparent)}.flow-line:after{content:"";position:absolute;inset:-3px auto auto 54%;width:7px;height:7px;border-radius:50%;background:var(--purple);box-shadow:0 0 0 7px rgba(112,79,224,.13)}.visual-card{position:absolute;width:190px;padding:17px 18px;border:1px solid rgba(255,255,255,.85);border-radius:17px;background:rgba(255,255,255,.7);box-shadow:0 18px 45px rgba(47,30,85,.12);backdrop-filter:blur(18px);transform:rotate(var(--turn));animation:cardFloat 5s ease-in-out infinite}.visual-card i{float:right;color:rgba(112,79,224,.55);font:700 11px "DM Sans";font-style:normal}.visual-card>span{display:block;color:var(--purple);font:700 10px "DM Sans";letter-spacing:1.1px}.visual-card strong{display:block;margin:9px 0 3px;font:700 20px "DM Sans"}.visual-card small{display:flex;align-items:center;gap:6px;color:var(--muted);font-size:12px}.visual-card small b{width:7px;height:7px;border-radius:50%;background:#37ad7a;box-shadow:0 0 0 4px rgba(55,173,122,.12)}.card-order{--turn:-4deg;left:0;top:18px}.card-stock{--turn:3deg;left:34%;top:105px;animation-delay:-1.6s}.card-ship{--turn:-2deg;right:0;top:28px;animation-delay:-3.2s}.visual-orbit{position:absolute;left:43%;top:8px;width:74px;height:74px;border:1px solid rgba(112,79,224,.3);border-radius:50%;display:grid;place-items:center;box-shadow:0 0 0 14px rgba(255,255,255,.18),0 0 0 28px rgba(112,79,224,.05)}.visual-orbit:before{content:"";position:absolute;width:10px;height:10px;top:-5px;border-radius:50%;background:#f6b9d9}.visual-orbit span{width:50px;height:50px;display:grid;place-items:center;border-radius:50%;background:linear-gradient(145deg,#111,#4e376c);color:#fff;font:700 15px "DM Sans"}@keyframes cardFloat{0%,100%{transform:translateY(0) rotate(var(--turn))}50%{transform:translateY(-8px) rotate(var(--turn))}}
@media(max-width:1100px){body{grid-template-columns:minmax(0,520px);justify-content:center;padding:28px 18px}.login{grid-column:1;grid-row:1;justify-self:stretch}.login-intro{display:none}}
@media(max-width:520px){body{padding:14px;background:linear-gradient(145deg,#ffe2d2,#e7ddff 58%,#d8f5ef)}.login{padding:30px 22px;border-radius:20px}.brand{margin-bottom:30px}.brand img{width:42px;height:42px}.brand span{font-size:22px}.login h1{font-size:32px}.login>p{font-size:16px;margin-bottom:26px}.field,.field input,.submit{font-size:16px}.meta{align-items:flex-start;flex-direction:column;font-size:14px}}
@media(prefers-reduced-motion:reduce){.submit{transition:none}}