:root {
  color-scheme: dark;
  --ink: #f4f7fb;
  --muted: #a6b3c6;
  --subtle: #74839a;
  --line: rgba(181, 198, 221, .16);
  --panel: rgba(16, 27, 47, .78);
  --panel-strong: rgba(17, 30, 51, .94);
  --blue: #76a9ff;
  --blue-bright: #8eb9ff;
  --green: #72dfba;
  --danger: #ff9eaa;
  --shadow: 0 24px 80px rgba(0, 0, 0, .34);
}

* { box-sizing: border-box; }

html { min-width: 320px; background: #080e1a; }

body {
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  color: var(--ink);
  background:
    radial-gradient(circle at 13% 10%, rgba(58, 103, 177, .18), transparent 34rem),
    radial-gradient(circle at 88% 83%, rgba(35, 124, 126, .12), transparent 31rem),
    #080e1a;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  -webkit-font-smoothing: antialiased;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  content: "";
  opacity: .17;
  background-image: linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
  background-size: 72px 72px;
  mask-image: linear-gradient(to bottom, black, transparent 88%);
}

.ambient { position: fixed; z-index: -1; width: 25rem; height: 25rem; border-radius: 50%; filter: blur(70px); opacity: .12; pointer-events: none; }
.ambient-one { top: -12rem; right: 10%; background: #2d77e5; }
.ambient-two { bottom: -15rem; left: 12%; background: #28b899; }

.page-shell { width: min(1180px, calc(100% - 48px)); min-height: 100vh; margin: 0 auto; display: flex; flex-direction: column; }

.topbar { display: flex; align-items: center; justify-content: space-between; padding: 30px 0; border-bottom: 1px solid var(--line); }
.brand { display: inline-flex; align-items: center; gap: 12px; color: var(--ink); text-decoration: none; }
.brand-mark { display: inline-flex; align-items: center; justify-content: center; width: 36px; height: 36px; border: 1px solid rgba(142,185,255,.55); border-radius: 11px; color: var(--blue-bright); font-size: 18px; font-weight: 800; letter-spacing: -8px; padding-right: 7px; background: linear-gradient(145deg, rgba(92,143,235,.22), rgba(34,53,87,.16)); box-shadow: inset 0 1px 0 rgba(255,255,255,.15), 0 8px 28px rgba(42,101,200,.14); }
.brand-mark span:last-child { color: #b2e4ff; transform: translateY(3px); }
.brand-name { display: flex; flex-direction: column; gap: 2px; font-size: 14px; font-weight: 650; letter-spacing: .01em; }
.brand-name small { color: var(--subtle); font-size: 8px; font-weight: 750; letter-spacing: .2em; }
.system-status { display: inline-flex; align-items: center; gap: 9px; color: var(--muted); font-size: 11px; letter-spacing: .04em; }
.status-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--green); box-shadow: 0 0 0 4px rgba(114,223,186,.1), 0 0 16px rgba(114,223,186,.75); }

.content-grid { display: grid; grid-template-columns: minmax(0, 1fr) minmax(360px, 454px); align-items: center; gap: clamp(60px, 10vw, 148px); flex: 1; padding: 78px 0 68px; }
.intro { max-width: 580px; }
.eyebrow { margin: 0 0 22px; color: var(--blue-bright); font-size: 10px; font-weight: 800; letter-spacing: .2em; }
.eyebrow span { margin: 0 7px; color: var(--subtle); }
h1 { margin: 0; font-size: clamp(48px, 6vw, 80px); line-height: .98; letter-spacing: -.065em; font-weight: 670; }
h1 em { color: var(--blue-bright); font-style: normal; }
.lead { max-width: 470px; margin: 27px 0 0; color: var(--muted); font-size: 17px; line-height: 1.65; }
.feature-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; max-width: 520px; margin-top: 49px; }
.feature-card { min-height: 151px; padding: 21px 20px; border: 1px solid var(--line); border-radius: 16px; background: linear-gradient(145deg, rgba(23,39,67,.53), rgba(12,21,37,.42)); box-shadow: inset 0 1px 0 rgba(255,255,255,.035); }
.feature-icon { display: block; position: relative; width: 27px; height: 27px; margin-bottom: 20px; color: var(--blue-bright); }
.icon-shield { border: 1.5px solid currentColor; border-radius: 10px 10px 12px 12px; clip-path: polygon(50% 0, 100% 16%, 92% 70%, 50% 100%, 8% 70%, 0 16%); }
.icon-shield::after { position: absolute; inset: 7px 9px 8px; border-right: 1.5px solid currentColor; border-bottom: 1.5px solid currentColor; content: ""; transform: rotate(40deg); }
.icon-folder { border: 1.5px solid currentColor; border-radius: 5px; margin-top: 5px; height: 20px; }
.icon-folder::before { position: absolute; left: -1px; top: -7px; width: 12px; height: 7px; border: 1.5px solid currentColor; border-bottom: 0; border-radius: 4px 4px 0 0; content: ""; }
.feature-card h2 { margin: 0 0 7px; color: var(--ink); font-size: 13px; font-weight: 650; }
.feature-card p { max-width: 190px; margin: 0; color: var(--subtle); font-size: 11px; line-height: 1.55; }
.assurance { display: inline-flex; align-items: center; gap: 12px; margin: 43px 0 0; color: var(--subtle); font-size: 11px; line-height: 1.55; }
.assurance strong { color: var(--muted); font-weight: 600; }
.assurance-lock { display: inline-flex; align-items: center; justify-content: center; width: 26px; height: 26px; border: 1px solid rgba(114,223,186,.3); border-radius: 50%; color: var(--green); font-size: 18px; transform: rotate(45deg); }

.login-card { position: relative; padding: 39px 40px 32px; border: 1px solid rgba(163,190,230,.2); border-radius: 22px; background: linear-gradient(150deg, rgba(21,37,64,.92), rgba(12,21,37,.9)); box-shadow: var(--shadow), inset 0 1px 0 rgba(255,255,255,.07); }
.login-card::before { position: absolute; top: -1px; left: 37px; right: 37px; height: 1px; content: ""; background: linear-gradient(90deg, transparent, rgba(142,185,255,.8), transparent); }
.card-heading { display: flex; align-items: center; gap: 15px; }
.card-icon { display: inline-flex; align-items: flex-end; justify-content: center; gap: 3px; width: 43px; height: 43px; padding: 11px 9px; border: 1px solid rgba(142,185,255,.28); border-radius: 13px; background: rgba(82,135,225,.12); }
.card-icon span { display: block; width: 4px; border-radius: 2px; background: var(--blue-bright); }
.card-icon span:nth-child(1) { height: 9px; opacity: .62; }
.card-icon span:nth-child(2) { height: 15px; opacity: .82; }
.card-icon span:nth-child(3) { height: 21px; }
.card-kicker { margin: 0 0 5px; color: var(--blue-bright); font-size: 9px; font-weight: 800; letter-spacing: .19em; }
.login-card h2 { margin: 0; color: var(--ink); font-size: 21px; letter-spacing: -.025em; font-weight: 650; }
.card-copy { margin: 25px 0 29px; color: var(--muted); font-size: 12px; line-height: 1.7; }
.field-label { display: block; margin: 0 0 9px; color: #d9e3f2; font-size: 11px; font-weight: 600; }
.field-row { display: flex; justify-content: space-between; align-items: baseline; margin-top: 21px; }
.field-hint { color: var(--subtle); font-size: 10px; }
.field { display: block; width: 100%; height: 48px; padding: 0 14px; border: 1px solid rgba(155,180,216,.2); border-radius: 10px; outline: 0; color: var(--ink); background: rgba(4,10,20,.38); font: inherit; font-size: 13px; transition: border-color .2s ease, box-shadow .2s ease, background .2s ease; }
.field:focus { border-color: rgba(118,169,255,.85); background: rgba(4,10,20,.58); box-shadow: 0 0 0 4px rgba(118,169,255,.1); }
.submit-button { display: flex; align-items: center; justify-content: space-between; width: 100%; height: 50px; margin-top: 28px; padding: 0 17px 0 19px; border: 0; border-radius: 10px; color: #071225; background: linear-gradient(110deg, #8eb9ff, #73dfc2); box-shadow: 0 12px 24px rgba(72,157,196,.18); cursor: pointer; font: inherit; font-size: 13px; font-weight: 750; transition: transform .2s ease, filter .2s ease, box-shadow .2s ease; }
.submit-button span { font-size: 20px; font-weight: 400; transition: transform .2s ease; }
.submit-button:hover { filter: brightness(1.07); box-shadow: 0 15px 30px rgba(72,157,196,.28); transform: translateY(-1px); }
.submit-button:hover span { transform: translateX(3px); }
.submit-button:focus-visible { outline: 3px solid rgba(142,185,255,.35); outline-offset: 3px; }
.login-message { min-height: 18px; margin: 14px 0 0; color: var(--danger); font-size: 11px; opacity: 0; transition: opacity .2s ease; }
.login-message.is-visible { opacity: 1; }
.card-footnote { display: flex; align-items: center; gap: 8px; margin: 26px 0 0; color: var(--subtle); font-size: 10px; }
.tiny-lock { color: var(--green); font-size: 8px; }

.footer { display: flex; align-items: center; gap: 9px; padding: 20px 0 26px; border-top: 1px solid var(--line); color: var(--subtle); font-size: 10px; letter-spacing: .03em; }
.footer-separator { color: #526177; }
.footer-build { margin-left: auto; color: #60718a; font-size: 9px; letter-spacing: .16em; }

@media (max-width: 860px) {
  .content-grid { grid-template-columns: 1fr; gap: 52px; padding-top: 59px; }
  .intro { max-width: 650px; }
  .login-card { width: min(100%, 500px); }
}

@media (max-width: 520px) {
  .page-shell { width: min(100% - 30px, 1180px); }
  .topbar { padding: 21px 0; }
  .system-status { font-size: 0; }
  .system-status .status-dot { width: 8px; height: 8px; }
  h1 { font-size: clamp(47px, 15vw, 66px); }
  .lead { font-size: 15px; }
  .feature-grid { gap: 9px; }
  .feature-card { padding: 17px 14px; }
  .login-card { padding: 30px 22px 25px; border-radius: 18px; }
  .footer { flex-wrap: wrap; }
  .footer-build { width: 100%; margin: 2px 0 0; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; }
}