:root {
  --bg: #06110e;
  --panel: rgba(12, 29, 23, .92);
  --line: rgba(137, 188, 162, .17);
  --green: #69d49d;
  --green-2: #a6ebc2;
  --text: #e8f0eb;
  --muted: #8ba097;
  --danger: #ef8585;
}

* { box-sizing: border-box; }

html, body { min-height: 100%; }

body {
  margin: 0;
  overflow-x: hidden;
  color: var(--text);
  font-family: "Microsoft YaHei UI", "PingFang SC", system-ui, sans-serif;
  background:
    radial-gradient(circle at 75% 15%, rgba(40, 117, 83, .28), transparent 32%),
    radial-gradient(circle at 12% 82%, rgba(28, 82, 62, .22), transparent 30%),
    var(--bg);
}

.auth-grid {
  position: fixed;
  inset: 0;
  opacity: .52;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(105,212,157,.034) 1px, transparent 1px),
    linear-gradient(90deg, rgba(105,212,157,.034) 1px, transparent 1px);
  background-size: 46px 46px;
  mask-image: linear-gradient(to bottom, black, transparent 92%);
}

.public-header {
  width: min(1440px, calc(100% - 48px));
  height: 82px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: relative;
  z-index: 1;
}

.public-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: inherit;
  text-decoration: none;
}

.public-brand-mark {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border: 1px solid rgba(105,212,157,.35);
  border-radius: 12px;
  background: rgba(105,212,157,.08);
}

.public-brand-mark svg {
  width: 27px;
  fill: none;
  stroke: var(--green);
  stroke-width: 1.8;
}

.public-brand b {
  display: block;
  font-size: 20px;
  letter-spacing: .16em;
}

.public-brand small {
  display: block;
  margin-top: 3px;
  color: #688076;
  font: 10px Consolas, monospace;
  letter-spacing: .12em;
}

.header-login, .primary-action {
  border: 1px solid rgba(105,212,157,.34);
  border-radius: 9px;
  color: var(--green-2);
  background: rgba(105,212,157,.06);
  text-decoration: none;
}

.header-login { padding: 9px 15px; font-size: 13px; }

.landing-main {
  width: min(1440px, calc(100% - 48px));
  min-height: calc(100vh - 145px);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 28px clamp(40px, 8vw, 130px);
  align-items: center;
  position: relative;
  z-index: 1;
}

.landing-copy { padding-bottom: 5vh; }

.landing-kicker {
  color: var(--green);
  font: 11px Consolas, monospace;
  letter-spacing: .2em;
}

.landing-copy h1 {
  margin: 22px 0;
  font-size: clamp(42px, 5.4vw, 78px);
  line-height: 1.15;
  letter-spacing: -.03em;
}

.landing-copy h1 em {
  color: var(--green-2);
  font-style: normal;
  text-shadow: 0 0 38px rgba(105,212,157,.14);
}

.landing-copy > p {
  max-width: 680px;
  margin: 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.9;
}

.landing-actions {
  margin-top: 36px;
  display: flex;
  align-items: center;
  gap: 18px;
}

.primary-action {
  padding: 13px 21px;
  color: #07140e;
  background: linear-gradient(100deg, #65d49b, #a1e7bd);
  font-weight: 700;
}

.landing-actions span { color: #64796f; font-size: 12px; }

.landing-capabilities {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  padding-bottom: 24px;
}

.landing-capabilities article {
  min-height: 145px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: linear-gradient(145deg, rgba(16,36,29,.84), rgba(7,20,16,.68));
  box-shadow: 0 25px 70px rgba(0,0,0,.16);
}

.landing-capabilities b {
  color: #5b8a73;
  font: 11px Consolas, monospace;
}

.landing-capabilities h2 { margin: 25px 0 9px; font-size: 17px; }
.landing-capabilities p { margin: 0; color: var(--muted); font-size: 13px; line-height: 1.7; }

.public-footer {
  min-height: 63px;
  display: grid;
  place-items: center;
  color: #536b60;
  font-size: 11px;
  position: relative;
  z-index: 1;
}

.login-page {
  display: grid;
  place-items: center;
}

.login-shell {
  width: min(430px, calc(100% - 32px));
  position: relative;
  z-index: 1;
}

.login-brand { width: max-content; margin: 0 auto 22px; }

.login-card {
  padding: 26px;
  border: 1px solid rgba(105,212,157,.24);
  border-radius: 17px;
  background: linear-gradient(145deg, rgba(17,39,31,.96), rgba(7,20,16,.97));
  box-shadow: 0 36px 100px rgba(0,0,0,.32), inset 3px 0 rgba(105,212,157,.55);
}

.login-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: #658074;
  font: 10px Consolas, monospace;
  letter-spacing: .14em;
}

.login-card-head i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 11px var(--green);
}

.login-card h1, .login-card h2 { margin: 22px 0 8px; font-size: 25px; }
.login-card > p { margin: 0 0 24px; color: var(--muted); font-size: 13px; line-height: 1.7; }

.login-card label { display: block; margin-top: 15px; }
.login-card label span { display: block; margin-bottom: 7px; color: #9aada4; font-size: 12px; }

.login-card input {
  width: 100%;
  height: 46px;
  padding: 0 13px;
  outline: 0;
  border: 1px solid var(--line);
  border-radius: 9px;
  color: var(--text);
  background: rgba(2,12,9,.55);
  font: inherit;
}

.login-card input:focus {
  border-color: rgba(105,212,157,.5);
  box-shadow: 0 0 0 3px rgba(105,212,157,.07);
}

.login-card button {
  width: 100%;
  height: 47px;
  margin-top: 22px;
  border: 0;
  border-radius: 9px;
  color: #06120c;
  background: linear-gradient(100deg, #65d49b, #a1e7bd);
  cursor: pointer;
  font: 700 14px inherit;
}

.login-card button:disabled { cursor: wait; filter: saturate(.35); }
.login-error { min-height: 20px; margin: 10px 0 0 !important; color: var(--danger) !important; font-size: 12px !important; }
.back-home { display: block; margin-top: 17px; color: #738a80; font-size: 12px; text-align: center; text-decoration: none; }

.landing-login-card {
  width: min(430px, 100%);
  justify-self: end;
  scroll-margin-top: 28px;
}

.login-security-note {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  color: #6f877b;
  font-size: 11px;
  line-height: 1.5;
}

.login-security-note span {
  color: var(--green);
  font-size: 8px;
  text-shadow: 0 0 8px var(--green);
}

@media (max-width: 900px) {
  .landing-main { grid-template-columns: 1fr; padding: 50px 0 24px; }
  .landing-copy { padding: 0; }
  .landing-login-card { width: min(520px, 100%); justify-self: start; }
  .landing-capabilities { grid-column: auto; grid-template-columns: 1fr 1fr; width: 100%; }
}

@media (max-width: 560px) {
  .public-header, .landing-main { width: calc(100% - 28px); }
  .public-brand small { display: none; }
  .landing-copy h1 { font-size: 39px; }
  .landing-copy > p { font-size: 14px; }
  .landing-actions { align-items: flex-start; flex-direction: column; }
  .landing-capabilities { grid-template-columns: 1fr; }
  .landing-capabilities article { min-height: 140px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; }
}