/* 登录页：中性深色/政务浅色双主题，无外部资源 */
:root {
  --bg: #0d1117;
  --panel: #161c23;
  --panel-2: #1d242c;
  --border: #2b3845;
  --line: #33414e;
  --text: #e6edf3;
  --text-2: #b6c3d1;
  --text-3: #7e8d9c;
  --accent: #5b8fb9;
  --accent-2: #77b5d9;
  --ok: #4f9b7a;
  --bad: #c05a5a;
  --shadow: 0 24px 80px rgba(0, 0, 0, .35);
}
html[data-theme="light"] {
  --bg: #eef2f6;
  --panel: #ffffff;
  --panel-2: #f6f8fa;
  --border: #d4dee7;
  --line: #dce4ec;
  --text: #1f2937;
  --text-2: #526171;
  --text-3: #7b8794;
  --accent: #1f5f8b;
  --accent-2: #2b719f;
  --ok: #2f7d5b;
  --bad: #b03a3a;
  --shadow: 0 20px 60px rgba(15, 23, 42, .10);
}
* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font-family: "Segoe UI", "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  font-size: 13px; -webkit-font-smoothing: antialiased;
}
.login-shell {
  min-height: 100%; display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(380px, 460px);
  gap: 56px; align-items: center; max-width: 1240px; margin: 0 auto; padding: 48px 40px;
}
.login-intro { min-width: 0; }
.login-brand { display: flex; align-items: flex-start; gap: 16px; }
.login-mark { color: var(--accent); flex: 0 0 auto; margin-top: 2px; }
.login-brand h1 { margin: 0; font-size: 27px; line-height: 1.42; font-weight: 600; letter-spacing: .3px; }
.login-brand h1 span { font-size: 22px; color: var(--text-2); font-weight: 500; }
.login-brand p { margin: 12px 0 0; color: var(--text-3); font-size: 12.5px; }
.login-points { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 10px; margin: 40px 0 0; max-width: 640px; }
.login-points div { border: 1px solid var(--border); border-radius: 4px; padding: 12px 13px; background: var(--panel); }
.login-points b { display: block; font-size: 12.5px; color: var(--text); font-weight: 600; }
.login-points span { display: block; margin-top: 5px; color: var(--text-3); font-size: 10.5px; line-height: 1.55; }
.login-quote { margin-top: 22px; max-width: 640px; padding: 12px 14px; border-left: 2px solid var(--accent); background: var(--panel); color: var(--text-3); font-size: 10.5px; line-height: 1.7; border-radius: 0 3px 3px 0; }
.lq-badge { display: inline-block; margin-right: 7px; padding: 1px 6px; border: 1px solid var(--border); border-radius: 2px; color: var(--text-2); }

.login-panel { background: var(--panel); border: 1px solid var(--border); border-radius: 6px; box-shadow: var(--shadow); padding: 26px 28px 22px; }
.login-panel-hd { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; }
.login-panel-hd h2 { margin: 0; font-size: 20px; font-weight: 600; letter-spacing: .5px; }
.login-panel-hd p { margin: 7px 0 0; color: var(--text-3); font-size: 11.5px; }
.login-theme { width: 29px; height: 29px; border: 1px solid var(--border); border-radius: 3px; background: transparent; color: var(--text-2); cursor: pointer; font-size: 14px; }
.login-theme:hover { border-color: var(--accent); color: var(--text); }
.field { display: block; margin-top: 20px; }
.field > span:first-child { display: block; margin-bottom: 6px; color: var(--text-2); font-size: 11.5px; }
.field input {
  width: 100%; height: 38px; padding: 0 11px; border-radius: 3px;
  border: 1px solid var(--border); background: var(--panel-2); color: var(--text);
  font-size: 13px; outline: none; transition: border-color .15s, box-shadow .15s;
}
.field input:focus { border-color: var(--accent); box-shadow: 0 0 0 2px rgba(91, 143, 185, .12); }
.field input::placeholder { color: var(--text-3); }
.field input::-ms-reveal, .field input::-ms-clear { display: none; }
.pw-wrap { position: relative; display: block; }
.pw-wrap input { padding-right: 54px; }
.pw-toggle { position: absolute; right: 5px; top: 5px; height: 28px; padding: 0 8px; border: 0; border-radius: 2px; background: transparent; color: var(--text-3); font-size: 10.5px; cursor: pointer; }
.pw-toggle:hover { color: var(--accent); background: rgba(91,143,185,.08); }
.login-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 12px; }
.remember { display: inline-flex; align-items: center; gap: 6px; color: var(--text-3); font-size: 11px; cursor: pointer; }
.remember input { accent-color: var(--accent); margin: 0; }
.login-env { color: var(--text-3); font-size: 10.5px; white-space: nowrap; }
.login-error { min-height: 18px; margin-top: 10px; color: var(--bad); font-size: 11.5px; line-height: 1.5; }
.login-submit {
  width: 100%; height: 40px; margin-top: 8px; border: 1px solid var(--accent);
  border-radius: 3px; background: var(--accent); color: #fff; font-size: 13.5px;
  font-weight: 600; letter-spacing: 2px; cursor: pointer; transition: background .15s, opacity .15s;
}
.login-submit:hover { background: var(--accent-2); }
.login-submit:disabled { opacity: .55; cursor: wait; }
.demo-accounts { margin-top: 22px; padding-top: 16px; border-top: 1px solid var(--line); }
.da-hd { display: flex; align-items: center; justify-content: space-between; margin-bottom: 7px; color: var(--text-3); font-size: 10.5px; }
.da-hd em { font-style: normal; color: var(--text-3); opacity: .8; }
.demo-accounts button {
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  width: 100%; padding: 7px 8px; margin-top: 5px; border: 1px solid var(--border);
  border-radius: 3px; background: transparent; color: var(--text-2); cursor: pointer; text-align: left;
}
.demo-accounts button:hover { border-color: var(--accent); background: rgba(91,143,185,.06); }
.demo-accounts b { font-size: 11.5px; font-weight: 600; color: var(--text); }
.demo-accounts span { font-size: 10px; color: var(--text-3); font-family: Consolas, monospace; }
.login-foot { display: flex; justify-content: space-between; gap: 10px; margin-top: 18px; color: var(--text-3); font-size: 10px; }
.auth-pending body { visibility: hidden; }

@media (max-width: 900px) {
  .login-shell { grid-template-columns: 1fr; gap: 28px; padding: 28px 18px; max-width: 520px; }
  .login-intro { display: none; }
  .login-panel { padding: 22px 18px 18px; }
}

.link-btn { border: 0; background: transparent; color: var(--accent); font-size: 10.5px; cursor: pointer; padding: 0; }
.link-btn:hover { text-decoration: underline; }
.login-env-line { margin-top: 6px; text-align: right; }
.mfa-step { margin-top: 18px; padding: 14px; border: 1px solid var(--border); border-radius: 4px; background: var(--panel-2); }
.mfa-title { font-size: 13px; font-weight: 600; color: var(--text); }
.mfa-desc { margin: 6px 0 10px; color: var(--text-3); font-size: 10.5px; line-height: 1.6; }
.mfa-code { width: 100%; height: 44px; padding: 0 12px; border: 1px solid var(--border); border-radius: 3px; background: var(--panel); color: var(--text); font-size: 22px; letter-spacing: 6px; text-align: center; outline: none; }
.mfa-code:focus { border-color: var(--accent); }
.mfa-step .login-submit { margin-top: 10px; }
.mfa-step .link-btn { display: block; margin: 10px auto 0; }
.forgot-mask { position: fixed; inset: 0; z-index: 50; display: flex; align-items: center; justify-content: center; background: rgba(4,10,18,.62); }
.forgot-mask[hidden] { display: none !important; }
.forgot-box { width: min(360px, calc(100vw - 32px)); padding: 16px 18px 14px; border: 1px solid var(--border); border-radius: 5px; background: var(--panel); color: var(--text); box-shadow: var(--shadow); }
.forgot-hd { display: flex; align-items: center; justify-content: space-between; font-size: 14px; }
.forgot-x { border: 0; background: transparent; color: var(--text-3); font-size: 20px; cursor: pointer; }
.forgot-box .field { margin-top: 12px; }
.forgot-box .login-submit { margin-top: 12px; }
.forgot-msg { min-height: 18px; margin-top: 8px; color: var(--text-3); font-size: 10.5px; line-height: 1.5; }
.forgot-note { margin-top: 12px; padding-top: 9px; border-top: 1px solid var(--line); color: var(--text-3); font-size: 9.5px; line-height: 1.5; }
html[data-theme="light"] .forgot-box { background: #fff; }

/* 登录安全验证 */
.captcha-inline { margin: 6px 0 8px; padding: 9px 10px; border: 1px solid rgba(120,160,190,.22); border-radius: 7px; background: rgba(255,255,255,.025); }
.captcha-inline-hd { display: flex; justify-content: space-between; align-items: center; color: #8fa6c4; font-size: 10px; margin-bottom: 5px; }
.login-captcha-question { margin: 0 0 8px; padding: 9px 10px; border: 1px solid rgba(120,160,190,.2); border-radius: 6px; color: #e6edf5; background: rgba(255,255,255,.04); font-size: 15px; letter-spacing: 1px; text-align: center; font-variant-numeric: tabular-nums; }
.captcha-slider-box { width: 320px; max-width: 100%; margin: 2px 0 6px; }
.captcha-puzzle { position: relative; width: 320px; max-width: 100%; height: 160px; overflow: hidden; border-radius: 7px; border: 1px solid rgba(120,160,190,.25); background: #101d29; }
.captcha-puzzle img#captchaBg { display: block; width: 320px; max-width: 100%; height: 160px; object-fit: cover; }
.captcha-puzzle img#captchaPiece { position: absolute; left: 0; top: 0; z-index: 2; pointer-events: none; filter: drop-shadow(0 2px 4px rgba(0,0,0,.45)); }
input[type="range"].captcha-range { -webkit-appearance: none; appearance: none; width: 100%; height: 6px; margin: 10px 0 2px; border-radius: 999px; background: linear-gradient(90deg, #2f8fbf, #3b4d5f); outline: none; }
input[type="range"].captcha-range::-webkit-slider-thumb { -webkit-appearance: none; appearance: none; width: 28px; height: 28px; border-radius: 50%; background: #e8f2fa; border: 3px solid #2f8fbf; box-shadow: 0 2px 8px rgba(0,0,0,.4); cursor: grab; }
input[type="range"].captcha-range::-moz-range-thumb { width: 24px; height: 24px; border-radius: 50%; background: #e8f2fa; border: 3px solid #2f8fbf; cursor: grab; }
.captcha-slider-tip { color: #8fa6c4; font-size: 9.5px; text-align: center; margin-top: 2px; }