:root {
  --bg: #071014;
  --panel: rgba(10, 23, 28, 0.96);
  --line: rgba(117, 198, 210, 0.22);
  --cyan: #64d3e1;
  --text: #edf7f5;
  --muted: #82989c;
  --dark: #557176;
  --font-body: "Noto Sans SC", sans-serif;
  --font-tech: "Rajdhani", sans-serif;
  --font-display: "Barlow Condensed", sans-serif;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

body {
  display: grid;
  min-height: 100vh;
  margin: 0;
  place-items: center;
  color: var(--text);
  background:
    radial-gradient(circle at 78% 16%, rgba(34, 148, 167, 0.16), transparent 25rem),
    linear-gradient(135deg, #050b0e, var(--bg));
  font-family: var(--font-body);
}

.login-shell {
  display: grid;
  width: min(960px, calc(100vw - 34px));
  min-height: 570px;
  grid-template-columns: minmax(330px, 0.86fr) minmax(0, 1.14fr);
  overflow: hidden;
  border: 1px solid var(--line);
  background: rgba(7, 15, 18, 0.82);
  box-shadow: 0 28px 100px rgba(0, 0, 0, 0.5);
}

.login-panel { position: relative; padding: 34px; background: var(--panel); }
.panel-scanline { height: 2px; margin: -34px -34px 30px; background: linear-gradient(90deg, var(--cyan), transparent); }
.login-brand { display: flex; align-items: center; gap: 12px; }
.brand-mark { display: grid; width: 41px; height: 41px; place-items: center; border: 1px solid var(--cyan); color: var(--cyan); font-size: 29px; font-weight: 300; }
.login-brand strong { display: block; font-family: var(--font-tech); font-size: 25px; letter-spacing: 2px; }
.login-brand strong span { color: var(--cyan); }
.login-brand small, footer span { color: var(--dark); font-family: var(--font-tech); font-size: 10px; letter-spacing: 2px; }
.login-copy { margin-top: 69px; }
.login-copy p, label span { color: var(--cyan); font-family: var(--font-tech); font-size: 11px; font-weight: 700; letter-spacing: 1.8px; }
h1 { margin: 7px 0 9px; font-size: 28px; letter-spacing: 2px; }
.login-copy span { color: var(--muted); font-size: 12px; line-height: 1.8; }
form { margin-top: 10px; }
.auth-tabs { display: grid; grid-template-columns: 1fr 1fr; gap: 7px; margin-top: 24px; }
.auth-tab {
  height: 34px;
  margin: 0;
  border-color: var(--line);
  color: var(--muted);
  background: rgba(2, 10, 13, 0.48);
  font-size: 11px;
}
.auth-tab.active { border-color: rgba(100, 211, 225, 0.62); color: var(--cyan); background: rgba(23, 140, 160, 0.14); }
.auth-tab:disabled { cursor: not-allowed; opacity: 0.45; }
label { display: block; margin-top: 16px; }
label span { display: block; margin-bottom: 7px; color: var(--dark); }
input {
  width: 100%;
  height: 44px;
  border: 1px solid var(--line);
  outline: 0;
  padding: 0 12px;
  color: var(--text);
  background: rgba(2, 10, 13, 0.65);
  font: inherit;
}
input:focus { border-color: rgba(100, 211, 225, 0.75); box-shadow: 0 0 0 2px rgba(100, 211, 225, 0.08); }
.login-error { margin: 13px 0 -3px; color: #e47b71; font-size: 11px; }
.submit-auth {
  display: flex;
  width: 100%;
  height: 44px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 20px;
  border: 1px solid rgba(100, 211, 225, 0.66);
  color: #eaffff;
  background: linear-gradient(135deg, #178ca0, #0b5a69);
  font: 700 13px var(--font-body);
  letter-spacing: 1px;
  cursor: pointer;
}
.submit-auth:hover { filter: brightness(1.12); }
.submit-auth:disabled { cursor: wait; opacity: 0.72; }
.submit-auth b { color: var(--cyan); font-family: var(--font-tech); font-size: 20px; }
footer { position: absolute; bottom: 30px; display: flex; align-items: center; gap: 8px; }
footer i { width: 7px; height: 7px; background: #78c9a2; box-shadow: 0 0 12px #78c9a2; }
.login-visual { position: relative; overflow: hidden; }
.login-visual img { width: 100%; height: 100%; object-fit: cover; object-position: 67% center; }
.visual-overlay { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(7, 16, 20, 0.95), rgba(7, 16, 20, 0.2) 55%), linear-gradient(0deg, rgba(7, 16, 20, 0.72), transparent); }
.visual-copy { position: absolute; right: 30px; bottom: 29px; text-align: right; }
.visual-copy p, .visual-copy small { color: var(--cyan); font: 700 11px var(--font-tech); letter-spacing: 2px; }
.visual-copy strong { display: block; margin: 8px 0; font: 700 57px/0.82 var(--font-display); letter-spacing: 1px; }
.visual-copy strong span { color: var(--cyan); }

@media (max-width: 720px) {
  .login-shell { min-height: 620px; grid-template-columns: 1fr; }
  .login-panel { z-index: 1; background: rgba(10, 23, 28, 0.94); }
  .login-visual { position: absolute; inset: 0; opacity: 0.2; }
  .login-copy { margin-top: 67px; }
}

/* ==========================================================================
   玩物不丧志 · VI SKIN — light form panel, dark mech showcase half.
   ========================================================================== */
:root {
  --bg: #f3f1ec;
  --panel: #ffffff;
  --line: rgba(20, 17, 15, 0.13);
  --cyan: #c62828;
  --text: #16120f;
  --muted: #6c675e;
  --dark: #a7a195;
  --carbon: #14110f;
  --signal-red: #c62828;
}

body { background: var(--bg); color: var(--text); }
.login-shell { border: 1px solid var(--line); background: #fff; box-shadow: 0 28px 90px rgba(20, 17, 15, 0.18); }
.login-panel { background: #fff; }
.panel-scanline { background: linear-gradient(90deg, var(--signal-red), transparent); }
.brand-mark { border: 1px solid var(--carbon); color: var(--signal-red); background: var(--bg); }
.login-brand strong { color: var(--carbon); font-weight: 800; }
.login-brand strong span { color: var(--signal-red); }
.login-brand small, footer span { color: var(--muted); }
.login-copy p, label span { color: var(--signal-red); }
h1 { color: var(--carbon); }
.login-copy span { color: var(--muted); }
.auth-tab { border: 1px solid var(--line); color: var(--muted); background: var(--bg); }
.auth-tab.active { border-color: rgba(198, 40, 40, 0.5); color: var(--signal-red); background: rgba(198, 40, 40, 0.08); }
label span { color: var(--muted); }
input { color: var(--carbon); background: var(--bg); border: 1px solid var(--line); }
input:focus { border-color: rgba(198, 40, 40, 0.7); box-shadow: 0 0 0 2px rgba(198, 40, 40, 0.1); }
.login-error { color: var(--signal-red); }
.submit-auth { border: 1px solid var(--signal-red); color: #fff; background: var(--signal-red); }
.submit-auth:hover { filter: brightness(1.06); background: #a01f1f; }
.submit-auth b { color: #fff; }
footer i { background: var(--signal-red); box-shadow: 0 0 10px rgba(198, 40, 40, 0.6); }
/* keep the right visual half dark (mech showcase); just retune its accents to red/beige */
.visual-overlay { background: linear-gradient(90deg, rgba(20, 17, 15, 0.95), rgba(20, 17, 15, 0.18) 58%), linear-gradient(0deg, rgba(20, 17, 15, 0.7), transparent); }
.visual-copy p, .visual-copy small { color: var(--signal-red); }
.visual-copy strong { color: var(--warm-white, #f7f7f5); }
.visual-copy strong span { color: var(--signal-red); }

@media (max-width: 720px) {
  .login-panel { background: #fff; }
}

/* Codex VI refresh — match the dashboard skin and tighten interaction states. */
:root {
  --bg: #f2eee6;
  --panel: #fffefa;
  --line: rgba(17, 17, 17, 0.13);
  --cyan: #c62828;
  --text: #151515;
  --muted: #6d675d;
  --dark: #a9a299;
  --carbon: #111111;
  --warm-white: #f7f7f5;
  --signal-red: #c62828;
  --metal-beige: #c8b08a;
}

body {
  background:
    linear-gradient(rgba(17, 17, 17, 0.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(17, 17, 17, 0.022) 1px, transparent 1px),
    var(--bg);
  background-size: 34px 34px, 34px 34px, auto;
}

.login-shell {
  width: min(980px, calc(100vw - 34px));
  border-radius: 8px;
  border-color: rgba(17, 17, 17, 0.12);
  background: var(--panel);
  box-shadow: 0 26px 70px rgba(17, 17, 17, 0.16);
}

.login-panel {
  padding: 34px 36px;
  background: var(--panel);
}

.panel-scanline {
  height: 4px;
  margin: -34px -36px 28px;
  background: repeating-linear-gradient(-45deg, var(--signal-red) 0 10px, var(--carbon) 10px 20px);
}

.login-brand {
  gap: 13px;
}

.brand-mark {
  width: 46px;
  height: 46px;
  overflow: hidden;
  border-radius: 8px;
  border-color: rgba(17, 17, 17, 0.16);
  background: var(--warm-white);
  box-shadow: 0 8px 18px rgba(17, 17, 17, 0.08);
}

.brand-mark img {
  display: block;
  width: 100%;
  height: 100%;
}

.login-brand strong {
  color: var(--carbon);
  font-family: var(--font-body);
  font-size: 22px;
  font-weight: 900;
  letter-spacing: 0;
}

.login-brand strong span {
  color: var(--carbon);
}

.login-brand small {
  color: var(--signal-red);
}

.login-copy {
  margin-top: 62px;
}

.login-copy p,
label span {
  color: var(--signal-red);
}

h1 {
  color: var(--carbon);
  font-size: 30px;
  letter-spacing: 0;
}

.login-copy span {
  color: var(--muted);
}

.auth-tabs {
  gap: 8px;
  margin-top: 24px;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--warm-white);
}

.auth-tab {
  height: 36px;
  border: 0;
  border-radius: 6px;
  background: transparent;
}

.auth-tab.active {
  color: #fff;
  background: var(--carbon);
}

label {
  margin-top: 15px;
}

label span {
  color: var(--muted);
}

input {
  height: 44px;
  border-radius: 6px;
  background: var(--warm-white);
}

input:focus {
  border-color: rgba(198, 40, 40, 0.56);
  box-shadow: 0 0 0 3px rgba(198, 40, 40, 0.08);
}

.submit-auth {
  height: 46px;
  border-radius: 6px;
  background: var(--signal-red);
  box-shadow: 0 10px 22px rgba(198, 40, 40, 0.18);
}

.submit-auth:hover {
  background: #a61f1f;
  filter: none;
  transform: translateY(-1px);
}

.submit-auth:active {
  transform: translateY(0);
}

footer {
  position: static;
  margin-top: 26px;
  color: var(--muted);
}

.login-visual {
  background: var(--carbon);
}

.login-visual::before {
  position: absolute;
  inset: 24px;
  z-index: 1;
  border: 1px solid rgba(247, 247, 245, 0.16);
  content: "";
  pointer-events: none;
}

.visual-overlay {
  background:
    linear-gradient(90deg, rgba(17, 17, 17, 0.96), rgba(17, 17, 17, 0.28) 55%),
    linear-gradient(0deg, rgba(17, 17, 17, 0.82), transparent);
}

.visual-copy {
  z-index: 2;
}

.visual-copy p,
.visual-copy small {
  color: var(--metal-beige);
}

.visual-copy strong {
  color: var(--warm-white);
  font-size: 54px;
}

.visual-copy strong span {
  color: var(--signal-red);
}

@media (max-width: 720px) {
  .login-shell {
    min-height: 620px;
    border-radius: 8px;
  }

  .login-panel {
    padding: 30px 24px;
  }

  .panel-scanline {
    margin: -30px -24px 26px;
  }

  .login-copy {
    margin-top: 56px;
  }

  .login-visual {
    opacity: 0.18;
  }
}


/* ICP 备案号：首页可见并链接到工信部备案系统 */
footer { flex-wrap: wrap; }
.icp-beian {
  width: 100%;
  margin-top: 4px;
  color: var(--muted);
  font-family: var(--font-tech);
  font-size: 10px;
  letter-spacing: 1px;
  text-decoration: none;
  opacity: 0.65;
  transition: opacity 0.15s;
}
.icp-beian:hover { opacity: 1; text-decoration: underline; }