:root { color-scheme: dark; font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; background: #06111e; color: #f2f8fc; }
* { box-sizing: border-box; }
body { margin: 0; min-width: 320px; min-height: 100vh; background: radial-gradient(circle at 18% 15%, rgba(30, 202, 225, .09), transparent 33%), #06111e; }
button, input { font: inherit; }
.login-shell { min-height: 100vh; display: grid; grid-template-columns: minmax(390px, .95fr) minmax(500px, 1.05fr); }
.brand-panel { position: relative; overflow: hidden; display: flex; flex-direction: column; justify-content: space-between; min-height: 100vh; padding: 46px clamp(42px, 5vw, 78px); border-right: 1px solid rgba(99, 177, 212, .13); background: linear-gradient(145deg, rgba(4, 18, 31, .98), rgba(7, 35, 51, .95)); }
.brand-panel::before, .brand-panel::after { content: ''; position: absolute; border: 1px solid rgba(55, 214, 230, .11); border-radius: 50%; }
.brand-panel::before { width: 470px; height: 470px; right: -290px; top: 20%; }
.brand-panel::after { width: 310px; height: 310px; right: -207px; top: calc(20% + 80px); }
.brand-lockup { position: relative; z-index: 1; display: flex; align-items: center; gap: 14px; }
.brand-lockup img { width: 53px; height: 53px; border-radius: 14px; box-shadow: 0 12px 35px rgba(0, 189, 227, .22); }
.brand-lockup div { display: grid; gap: 3px; }.brand-lockup strong { letter-spacing: 3px; font-size: 17px; }.brand-lockup span { color: #6d93aa; letter-spacing: 1.6px; font-size: 8px; }
.brand-copy { position: relative; z-index: 1; max-width: 570px; margin-block: 60px; }
.secure-pill { display: inline-flex; align-items: center; gap: 8px; padding: 7px 12px; border: 1px solid rgba(73, 235, 183, .25); border-radius: 99px; color: #7ce5bd; background: rgba(36, 140, 106, .1); font-size: 9px; font-weight: 900; letter-spacing: 1.2px; }
.secure-pill i, .form-security i { width: 6px; height: 6px; border-radius: 50%; background: #5ee7af; box-shadow: 0 0 10px #5ee7af; }
.brand-copy h1 { margin: 25px 0 18px; font-size: clamp(43px, 5vw, 72px); line-height: .97; letter-spacing: -3px; }.brand-copy h1 em { color: #38d5e7; font-style: normal; }
.brand-copy p { max-width: 530px; color: #9cb9ca; font-size: 15px; line-height: 1.75; }
.security-note { position: relative; z-index: 1; display: flex; align-items: center; gap: 13px; color: #9db4c3; }
.security-note > span { display: grid; place-items: center; width: 42px; height: 42px; border: 1px solid rgba(61, 213, 228, .22); border-radius: 12px; color: #41d4e6; background: rgba(32, 157, 177, .08); font-size: 10px; font-weight: 900; }
.security-note div { display: grid; gap: 3px; }.security-note strong { color: #e6f0f6; font-size: 11px; }.security-note small { color: #54768b; font-size: 9px; }
.form-panel { display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 50px clamp(28px, 7vw, 110px) 25px; background: radial-gradient(circle at 50% 46%, rgba(14, 89, 115, .15), transparent 42%); }
.form-wrap { width: min(100%, 430px); margin: auto; }.mobile-brand { display: none; }
.eyebrow { color: #3ecfe0; font-size: 9px; font-weight: 900; letter-spacing: 1.8px; }.form-wrap h2 { margin: 10px 0 6px; font-size: 38px; letter-spacing: -1.3px; }.intro { margin: 0 0 30px; color: #7192a7; font-size: 13px; }
.login-error { display: none; margin-bottom: 18px; padding: 12px 14px; border: 1px solid rgba(255, 111, 111, .27); border-radius: 11px; color: #ffb2b2; background: rgba(150, 43, 52, .11); font-size: 11px; }.login-error.visible { display: block; }
form { display: grid; gap: 18px; }label { display: grid; gap: 8px; }label > span { color: #a8bfcd; font-size: 10px; font-weight: 700; }
.field { display: flex; align-items: center; gap: 11px; height: 53px; padding: 0 16px; border: 1px solid rgba(104, 170, 201, .2); border-radius: 12px; background: rgba(10, 31, 48, .78); transition: border-color .2s, box-shadow .2s; }.field:focus-within { border-color: rgba(52, 211, 228, .62); box-shadow: 0 0 0 3px rgba(52, 211, 228, .08); }.field b { display: grid; place-items: center; width: 25px; height: 25px; border-radius: 7px; color: #3bd2e3; background: rgba(49, 188, 208, .1); font-size: 9px; }.field input { flex: 1; min-width: 0; border: 0; outline: 0; color: #ecf6fb; background: transparent; font-size: 13px; }.field input::placeholder { color: #425f72; }
form button { height: 54px; margin-top: 5px; border: 0; border-radius: 12px; color: #061620; background: linear-gradient(115deg, #43d5e5, #2fc5d9); box-shadow: 0 15px 33px rgba(32, 185, 206, .18); cursor: pointer; font-size: 12px; font-weight: 900; transition: transform .2s, filter .2s; }form button:hover { filter: brightness(1.08); transform: translateY(-1px); }form button span { margin-left: 7px; font-size: 17px; }
.form-security { display: flex; align-items: center; justify-content: center; gap: 8px; margin-top: 24px; color: #54768a; font-size: 9px; }.form-security i { width: 5px; height: 5px; }
.form-panel footer { color: #35566b; font-size: 8px; }
@media (max-width: 820px) { .login-shell { display: block; }.brand-panel { display: none; }.form-panel { min-height: 100vh; padding: 32px 23px 22px; }.mobile-brand { display: flex; align-items: center; gap: 10px; margin-bottom: 50px; }.mobile-brand img { width: 42px; height: 42px; border-radius: 11px; }.mobile-brand strong { letter-spacing: 2px; }.form-wrap h2 { font-size: 34px; }.form-panel footer { margin-top: 55px; text-align: center; } }