:root { color: #112d53; font-family: "Noto Sans Thai", sans-serif; background: #eef4fa; }
* { box-sizing: border-box; }
body { min-width: 320px; margin: 0; }
button, input { font: inherit; }
button { cursor: pointer; }
button:focus-visible, input:focus-visible { outline: 3px solid rgba(13,95,175,.42); outline-offset: 2px; }
.login-layout { min-height: 100vh; display: grid; grid-template-columns: minmax(360px, .98fr) minmax(420px, 1.02fr); background: #fff; }
.login-intro { position: relative; display: flex; flex-direction: column; justify-content: center; min-height: 100%; padding: clamp(42px, 8vw, 112px); overflow: hidden; color: #eff7ff; background: linear-gradient(145deg, #071e3d 0%, #092d59 52%, #0d5faf 100%); }
.login-intro::before, .login-intro::after { position: absolute; border-radius: 50%; content: ""; pointer-events: none; }.login-intro::before { width: 520px; height: 520px; top: -315px; right: -215px; border: 1px solid rgba(255,255,255,.14); box-shadow: 0 0 0 56px rgba(255,255,255,.035), 0 0 0 112px rgba(255,255,255,.025); }.login-intro::after { width: 240px; height: 240px; bottom: -150px; left: -90px; background: rgba(244,122,32,.17); }
.brand-lockup, .eyebrow, .login-intro h1, .login-intro > p, .security-note { position: relative; z-index: 1; }.brand-lockup { display: flex; align-items: center; gap: 10px; font-size: 1.1rem; font-weight: 700; letter-spacing: .13em; }.brand-shield { display: grid; width: 36px; height: 36px; place-items: center; color: #fff; border: 1px solid rgba(255,255,255,.65); border-radius: 9px; background: rgba(255,255,255,.1); font-size: 1rem; }.eyebrow { margin: clamp(48px, 9vw, 108px) 0 10px; color: #a9cef8; font-size: .72rem; font-weight: 700; letter-spacing: .13em; }.login-intro h1 { margin: 0; max-width: 520px; color: #fff; font-size: clamp(2rem, 4.2vw, 3.55rem); line-height: 1.2; letter-spacing: -.04em; }.login-intro > p { max-width: 470px; margin: 20px 0 0; color: #d4e7fb; font-size: .95rem; line-height: 1.75; }.security-note { display: inline-flex; align-items: center; gap: 9px; width: fit-content; margin-top: 32px; padding: 10px 13px; color: #d9ebff; border: 1px solid rgba(255,255,255,.16); border-radius: 6px; background: rgba(5,30,68,.23); font-size: .75rem; }.security-note i { color: #f9b443; }
.login-panel { display: grid; place-items: center; padding: 32px; background: linear-gradient(135deg, #f7faff 0%, #eef4fa 100%); }.login-card { width: min(100%, 414px); padding: clamp(28px, 4vw, 42px); border: 1px solid #dce7f2; border-radius: 14px; background: rgba(255,255,255,.96); box-shadow: 0 20px 60px rgba(21,59,101,.12); }.card-kicker { display: flex; align-items: center; gap: 8px; margin: 0 0 13px; color: #0d5faf; font-size: .73rem; font-weight: 700; }.card-kicker i { color: #f47a20; }.login-card h2 { margin: 0; color: #082b55; font-size: 1.7rem; line-height: 1.25; }.card-copy { margin: 7px 0 28px; color: #6f849e; font-size: .84rem; line-height: 1.6; }.field-group { margin-top: 18px; }.field-group label { display: block; margin-bottom: 7px; color: #24466f; font-size: .8rem; font-weight: 700; }.field-label { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; }.field-label span { color: #8195ad; font-size: .68rem; }.input-wrap { position: relative; display: flex; align-items: center; border: 1px solid #c7d6e7; border-radius: 6px; background: #fff; transition: border-color .2s, box-shadow .2s; }.input-wrap:focus-within { border-color: #0d5faf; box-shadow: 0 0 0 3px rgba(13,95,175,.13); }.input-wrap > i { width: 42px; color: #6f88a5; text-align: center; }.input-wrap input { width: 100%; height: 46px; min-width: 0; padding: 0 12px 0 0; color: #112d53; border: 0; outline: 0; background: transparent; font-size: .9rem; }.input-wrap button { width: 42px; height: 42px; color: #527190; border: 0; background: transparent; border-radius: 5px; }.input-wrap button:hover { color: #0d5faf; background: #f1f6fc; }.field-error { min-height: 18px; margin: 5px 0 0; color: #c53535; font-size: .71rem; line-height: 1.3; }.form-alert { margin: 0 0 18px; padding: 10px 12px; color: #9d2626; border: 1px solid #f2caca; border-radius: 6px; background: #fff4f4; font-size: .76rem; line-height: 1.45; }.submit-button { display: flex; align-items: center; justify-content: center; gap: 10px; width: 100%; min-height: 48px; margin-top: 12px; color: #fff; border: 0; border-radius: 6px; background: #0d5faf; box-shadow: 0 5px 13px rgba(13,95,175,.2); font-weight: 700; font-size: .88rem; transition: background .2s, box-shadow .2s, opacity .2s; }.submit-button:hover:not(:disabled) { background: #094e92; box-shadow: 0 7px 16px rgba(13,95,175,.28); }.submit-button:disabled { cursor: wait; opacity: .7; }.support-copy { display: flex; gap: 7px; margin: 23px 0 0; padding-top: 18px; color: #7188a3; border-top: 1px solid #e4ecf5; font-size: .72rem; line-height: 1.55; }.support-copy i { margin-top: 2px; color: #0d5faf; }
@media (max-width: 820px) { .login-layout { grid-template-columns: 1fr; }.login-intro { min-height: 275px; padding: 34px 28px; }.eyebrow { margin-top: 38px; }.login-intro h1 { font-size: 2rem; }.login-intro > p { max-width: 610px; margin-top: 12px; }.security-note { margin-top: 20px; }.login-panel { padding: 28px 18px 40px; }.login-card { max-width: 490px; } }
@media (max-width: 420px) { .login-intro { min-height: 250px; padding: 28px 20px; }.login-intro h1 { font-size: 1.75rem; }.login-intro > p { font-size: .82rem; }.login-card { padding: 26px 20px; }.login-panel { padding: 18px 12px 28px; } }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; animation: none !important; } }