:root {
  --navy: #0c2b35;
  --navy-deep: #071f27;
  --ink: #132d35;
  --muted: #6f8084;
  --line: #dfe7e4;
  --surface: #ffffff;
  --canvas: #eef2ed;
  --cyan: #51c7f4;
  --teal: #6dcdbd;
  --green: #68c872;
  --danger: #b64843;
  --danger-bg: #fff0ee;
  --radius: 20px;
  --shadow: 0 24px 70px rgba(7, 31, 39, 0.22);
}

* { box-sizing: border-box; }

html, body { height: 100%; }

body {
  margin: 0;
  color: var(--ink);
  font-family: "Microsoft YaHei UI", "PingFang SC", "Source Han Sans SC", system-ui, sans-serif;
  background:
    radial-gradient(circle at 12% 8%, rgba(81, 199, 244, 0.18), transparent 28rem),
    radial-gradient(circle at 88% 92%, rgba(104, 200, 114, 0.16), transparent 26rem),
    linear-gradient(135deg, #08232c 0%, #0c2b35 55%, #123d48 100%);
}

.login-shell {
  display: grid;
  grid-template-columns: minmax(0, 520px) minmax(260px, 360px);
  align-items: center;
  justify-content: center;
  gap: 28px;
  min-height: 100%;
  padding: 36px 24px;
}

.login-panel {
  padding: 34px;
  border: 1px solid rgba(255, 255, 255, 0.62);
  border-radius: 26px;
  background: rgba(255, 255, 255, 0.97);
  box-shadow: var(--shadow);
}

.login-brand { display: flex; align-items: center; gap: 12px; }

.login-logo {
  display: grid;
  width: 46px;
  height: 46px;
  place-items: center;
  border-radius: 14px;
  background: var(--navy);
}

.login-logo img { width: 34px; height: 34px; object-fit: contain; }

.login-brand strong { display: block; font-size: 16px; letter-spacing: 0.04em; }
.login-brand small { display: block; margin-top: 2px; color: var(--muted); font-size: 10px; letter-spacing: 0.16em; }

.login-badge {
  display: inline-flex;
  margin-top: 26px;
  padding: 6px 10px;
  border-radius: 999px;
  color: #23784b;
  background: #eaf7ef;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

h1 { margin: 14px 0 8px; font-size: 28px; letter-spacing: -0.03em; }

.login-lede { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.7; }

.login-error {
  margin: 18px 0 0;
  padding: 11px 13px;
  border: 1px solid #f0c9c5;
  border-radius: 11px;
  color: var(--danger);
  background: var(--danger-bg);
  font-size: 11px;
  line-height: 1.5;
}

form { margin-top: 22px; }

.login-field { display: grid; gap: 8px; }
.login-field > span:first-child { color: #3f535a; font-size: 11px; font-weight: 700; }

.password-wrap { position: relative; display: flex; }

.password-wrap input {
  width: 100%;
  height: 48px;
  padding: 0 68px 0 13px;
  border: 1px solid var(--line);
  border-radius: 12px;
  color: var(--ink);
  background: #fbfcfb;
  font-size: 15px;
  letter-spacing: 0.08em;
  outline: none;
}

.password-wrap input:focus { border-color: var(--navy); box-shadow: 0 0 0 3px rgba(12, 43, 53, 0.08); }

.password-reveal {
  position: absolute;
  top: 50%;
  right: 7px;
  transform: translateY(-50%);
  min-height: 34px;
  padding: 0 10px;
  border: 0;
  border-radius: 8px;
  color: var(--muted);
  background: transparent;
  font-size: 10px;
  font-weight: 700;
  cursor: pointer;
}

.password-reveal:hover { color: var(--navy); background: #eef3f1; }

.login-submit {
  width: 100%;
  min-height: 48px;
  margin-top: 16px;
  border: 0;
  border-radius: 12px;
  color: white;
  background: linear-gradient(135deg, #0b7f9b, #277a43);
  font-size: 13px;
  font-weight: 750;
  letter-spacing: 0.04em;
  cursor: pointer;
  box-shadow: 0 10px 24px rgba(11, 127, 155, 0.22);
}

.login-submit:hover { filter: brightness(1.05); }
.login-submit:disabled { opacity: 0.62; cursor: wait; }

.login-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 9px;
}

.login-aside {
  padding: 28px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 24px;
  color: rgba(255, 255, 255, 0.9);
  background: rgba(7, 31, 39, 0.42);
  backdrop-filter: blur(8px);
}

.login-aside-kicker { color: var(--teal); font-size: 9px; font-weight: 750; letter-spacing: 0.16em; }
.login-aside h2 { margin: 12px 0 10px; font-size: 20px; }
.login-aside p { margin: 0; color: rgba(255, 255, 255, 0.68); font-size: 11px; line-height: 1.7; }
.login-aside ul { display: grid; gap: 9px; margin: 18px 0 0; padding: 0; list-style: none; }
.login-aside li { position: relative; padding-left: 16px; color: rgba(255, 255, 255, 0.78); font-size: 10px; line-height: 1.5; }
.login-aside li::before { content: ""; position: absolute; top: 5px; left: 0; width: 7px; height: 7px; border-radius: 50%; background: var(--green); }
.login-aside-foot { margin-top: 24px; color: rgba(255, 255, 255, 0.38); font-size: 9px; letter-spacing: 0.08em; }

@media (max-width: 860px) {
  .login-shell { grid-template-columns: minmax(0, 1fr); max-width: 560px; margin: 0 auto; }
  .login-aside { order: 2; }
}

@media (max-width: 480px) {
  .login-shell { padding: 18px 14px; gap: 14px; }
  .login-panel { padding: 24px 20px; border-radius: 20px; }
  h1 { font-size: 23px; }
  .login-aside { padding: 20px; border-radius: 18px; }
}