:root {
  --bg: #050b14;
  --panel: rgba(9, 19, 34, .76);
  --panel-line: rgba(148, 183, 224, .14);
  --text: #f5f9ff;
  --muted: #8ea1b9;
  --cyan: #4fd5ff;
  --blue: #4b78ff;
  --green: #4ee7a4;
  --danger: #ff7085;
}
* { box-sizing: border-box; }
html, body { min-height: 100%; }
body {
  margin: 0;
  min-height: 100vh;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 18% 20%, rgba(32, 104, 255, .14), transparent 34%),
    radial-gradient(circle at 80% 78%, rgba(31, 220, 169, .08), transparent 34%),
    var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}
button, input { font: inherit; }
#marketCanvas { position: fixed; inset: 0; width: 100%; height: 100%; opacity: .33; pointer-events: none; }
.grid-overlay {
  position: fixed; inset: 0; pointer-events: none; opacity: .22;
  background-image:
    linear-gradient(rgba(94, 153, 220, .08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(94, 153, 220, .08) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(circle at center, black, transparent 78%);
}
.aurora { position: fixed; width: 420px; height: 420px; border-radius: 50%; filter: blur(90px); pointer-events: none; opacity: .13; }
.aurora-a { background: #1b70ff; top: -170px; right: -100px; animation: driftA 11s ease-in-out infinite alternate; }
.aurora-b { background: #00dba4; bottom: -230px; left: -90px; animation: driftB 14s ease-in-out infinite alternate; }
@keyframes driftA { to { transform: translate(-70px, 90px) scale(1.08); } }
@keyframes driftB { to { transform: translate(90px, -60px) scale(.92); } }
.login-shell {
  position: relative;
  z-index: 2;
  min-height: 100vh;
  max-width: 1260px;
  margin: 0 auto;
  padding: 48px 44px;
  display: grid;
  grid-template-columns: 1.12fr .88fr;
  gap: 86px;
  align-items: center;
}
.brand-panel { max-width: 650px; }
.brand-mark { display: flex; align-items: center; gap: 8px; font-size: 30px; font-weight: 900; letter-spacing: -.06em; margin-bottom: 20px; }
.brand-mark i { width: 32px; height: 2px; background: linear-gradient(90deg, var(--cyan), var(--green)); box-shadow: 0 0 18px rgba(79,213,255,.7); }
.brand-kicker { color: var(--cyan); font-size: 11px; letter-spacing: .22em; font-weight: 800; }
.brand-panel h1 { margin: 16px 0 18px; font-size: clamp(42px, 5vw, 72px); line-height: 1.03; letter-spacing: -.055em; }
.brand-panel h1 em { font-style: normal; color: transparent; background: linear-gradient(90deg, #dceaff, var(--cyan), var(--green)); -webkit-background-clip: text; background-clip: text; }
.brand-copy { color: var(--muted); line-height: 1.8; max-width: 560px; font-size: 15px; }
.system-pills { display: flex; flex-wrap: wrap; gap: 9px; margin: 28px 0; }
.system-pills span { padding: 7px 10px; border: 1px solid var(--panel-line); background: rgba(9,19,34,.46); border-radius: 999px; font-size: 10px; letter-spacing: .09em; color: #a8bad1; font-weight: 800; }
.system-pills b { display: inline-block; width: 6px; height: 6px; border-radius: 50%; margin-right: 7px; background: var(--green); box-shadow: 0 0 12px var(--green); }
.mini-terminal { margin-top: 30px; border: 1px solid var(--panel-line); border-radius: 16px; background: rgba(4, 11, 20, .65); overflow: hidden; box-shadow: 0 30px 80px rgba(0,0,0,.25); }
.terminal-head { height: 38px; display: flex; gap: 6px; align-items: center; padding: 0 13px; border-bottom: 1px solid rgba(148,183,224,.1); }
.terminal-head > span { width: 7px; height: 7px; border-radius: 50%; background: #2f4054; }
.terminal-head small { margin-left: auto; color: #51657e; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }
.terminal-body { padding: 16px 18px; font: 12px/1.8 ui-monospace, SFMono-Regular, Menlo, monospace; color: #7890ad; }
.terminal-body p { margin: 0; }
.terminal-body i { color: var(--cyan); font-style: normal; margin-right: 8px; }
.terminal-body strong { color: var(--green); font-weight: 700; float: right; }
.cursor { display: inline-block; width: 7px; height: 14px; margin-left: 5px; vertical-align: -2px; background: var(--cyan); animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }
.card-wrap { width: min(430px, 100%); justify-self: end; }
.login-card {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--panel-line);
  background: linear-gradient(145deg, rgba(11, 24, 42, .88), rgba(6, 14, 25, .76));
  backdrop-filter: blur(22px);
  border-radius: 24px;
  padding: 30px;
  box-shadow: 0 35px 100px rgba(0,0,0,.45), inset 0 1px 0 rgba(255,255,255,.04);
}
.card-glow { position: absolute; width: 200px; height: 200px; right: -100px; top: -100px; border-radius: 50%; background: var(--blue); filter: blur(70px); opacity: .13; pointer-events: none; }
.status-line { display: flex; align-items: center; gap: 8px; color: #8296ad; font-size: 10px; letter-spacing: .08em; font-weight: 800; }
.status-dot { width: 7px; height: 7px; border-radius: 50%; background: #738398; }
.status-dot.online { background: var(--green); box-shadow: 0 0 12px var(--green); }
.status-dot.offline { background: var(--danger); box-shadow: 0 0 12px rgba(255,112,133,.55); }
.secure-label { margin-left: auto; color: #526980; }
.card-title { margin: 28px 0 27px; }
.mobile-logo { display: none; color: var(--cyan); font-weight: 900; letter-spacing: -.04em; margin-bottom: 18px; }
.card-title h2 { margin: 0; font-size: 30px; letter-spacing: -.04em; }
.card-title p { margin: 7px 0 0; color: var(--muted); font-size: 13px; }
.field { display: block; margin-bottom: 17px; }
.field > span { display: block; margin-bottom: 8px; color: #98abc2; font-size: 12px; font-weight: 700; }
.input-box { position: relative; display: flex; align-items: center; border: 1px solid rgba(145,174,210,.18); background: rgba(3, 10, 18, .6); border-radius: 13px; transition: .2s ease; }
.input-box:focus-within { border-color: rgba(79,213,255,.62); box-shadow: 0 0 0 3px rgba(79,213,255,.08), 0 0 30px rgba(79,213,255,.06); }
.input-box > svg { width: 19px; height: 19px; margin-left: 14px; fill: none; stroke: #617894; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.input-box input { width: 100%; min-width: 0; border: 0; outline: 0; color: var(--text); background: transparent; padding: 14px 13px; font-size: 14px; }
.input-box input::placeholder { color: #41546a; }
.eye-btn { margin-right: 8px; border: 0; background: transparent; color: #617894; font-size: 9px; font-weight: 900; letter-spacing: .08em; cursor: pointer; padding: 9px 7px; }
.form-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin: 2px 0 19px; }
.remember { display: flex; align-items: center; gap: 8px; color: #7f93aa; font-size: 11px; cursor: pointer; }
.remember input { display: none; }
.remember span { width: 17px; height: 17px; border: 1px solid #32455b; border-radius: 5px; background: #07111d; position: relative; }
.remember input:checked + span { border-color: var(--cyan); background: rgba(79,213,255,.15); }
.remember input:checked + span::after { content: ""; position: absolute; left: 5px; top: 2px; width: 4px; height: 8px; border: solid var(--cyan); border-width: 0 2px 2px 0; transform: rotate(45deg); }
.local-only { color: #4e657c; font-size: 10px; }
.error-box { min-height: 20px; margin: -4px 0 8px; color: #ff8da0; font-size: 12px; line-height: 1.45; }
.login-btn { width: 100%; border: 0; border-radius: 13px; padding: 14px 16px; display: flex; justify-content: center; align-items: center; gap: 10px; cursor: pointer; color: #03111b; font-weight: 900; background: linear-gradient(100deg, var(--cyan), #78e7ff 47%, var(--green)); box-shadow: 0 13px 38px rgba(79,213,255,.16); transition: transform .15s ease, box-shadow .2s ease, opacity .2s ease; }
.login-btn:hover { transform: translateY(-1px); box-shadow: 0 16px 45px rgba(79,213,255,.22); }
.login-btn:disabled { cursor: wait; opacity: .55; transform: none; }
.login-btn svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 2; stroke-linecap: round; stroke-linejoin: round; }
.security-note { display: flex; gap: 9px; align-items: flex-start; margin-top: 20px; padding-top: 18px; border-top: 1px solid rgba(145,174,210,.1); color: #61758d; font-size: 10px; line-height: 1.5; }
.security-note svg { flex: 0 0 auto; width: 15px; height: 15px; fill: none; stroke: #60758e; stroke-width: 1.5; }
.footer-line { text-align: center; color: #34475b; font-size: 9px; letter-spacing: .17em; margin: 17px 0 0; }
.footer-line span { color: #295671; padding: 0 5px; }
@media (max-width: 900px) {
  .login-shell { grid-template-columns: 1fr; padding: 28px 20px; }
  .brand-panel { display: none; }
  .card-wrap { justify-self: center; }
  .mobile-logo { display: block; }
}
@media (max-width: 480px) {
  .login-shell { padding: max(24px, env(safe-area-inset-top)) 16px max(24px, env(safe-area-inset-bottom)); }
  .login-card { padding: 24px 20px; border-radius: 20px; }
  .card-title { margin-top: 22px; }
  .card-title h2 { font-size: 28px; }
  .secure-label { display: none; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}