/* ============================================================
   产线节拍智优系统 · 登录 / 注册
   ============================================================ */
:root{
  --ink:#0B1826;
  --ink-2:#2C3E50;
  --muted:#6D8296;
  --line:#E3EAF1;
  --brand:#0FB39B;
  --brand-dark:#0A8E7C;
  --amber:#EEA23C;
  --danger:#E8575F;
  --bg:#F3F6F9;
  --sidebar:#081420;
  --font:"Inter","PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  --mono:"Consolas","SFMono-Regular","JetBrains Mono",monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{min-height:100%}
body.auth-body{
  font-family:var(--font);color:var(--ink);background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
a{text-decoration:none;color:inherit}
button{font-family:inherit}
.auth-shell{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(480px,.92fr);min-height:100vh}

/* ---------- 左侧品牌视觉 ---------- */
.auth-visual{
  position:relative;overflow:hidden;color:#EAF4F4;
  background:
    radial-gradient(1200px 600px at -10% -10%,rgba(15,179,155,.22),transparent 55%),
    radial-gradient(900px 500px at 110% 120%,rgba(238,162,60,.13),transparent 60%),
    linear-gradient(160deg,#081420 0%,#0B1D2C 58%,#07111B 100%);
  display:flex;flex-direction:column;padding:42px 54px 32px;
}
.visual-grid{
  position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(120,200,190,.06) 1px,transparent 1px),
    linear-gradient(90deg,rgba(120,200,190,.06) 1px,transparent 1px);
  background-size:46px 46px;
  mask-image:radial-gradient(ellipse at 30% 30%,#000 30%,transparent 78%);
  pointer-events:none;
}
.visual-glow{position:absolute;width:620px;height:620px;right:-220px;top:-180px;border-radius:50%;
  background:radial-gradient(circle,rgba(15,179,155,.18),transparent 62%);filter:blur(10px);pointer-events:none}
.visual-brand{display:flex;align-items:center;gap:12px;position:relative;z-index:2}
.brand-mark{width:46px;height:46px;border-radius:13px;display:grid;place-items:center;color:#5EE6D1;
  background:linear-gradient(150deg,rgba(15,179,155,.22),rgba(15,179,155,.06));border:1px solid rgba(94,230,209,.28);
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08)}
.brand-type b{display:block;font-size:19px;letter-spacing:.08em;font-weight:600}
.brand-type small{display:block;font-family:var(--mono);font-size:10px;letter-spacing:.34em;color:#6E918F;margin-top:3px}
.visual-main{margin-top:auto;padding-top:70px;position:relative;z-index:2;max-width:560px}
.eyebrow{font-family:var(--mono);font-size:10.5px;letter-spacing:.28em;color:#4FBFAF;margin-bottom:20px}
.visual-main h1{font-size:clamp(34px,3.4vw,48px);line-height:1.24;font-weight:600;letter-spacing:.01em;color:#F2F8F8}
.visual-main h1 span{color:#5EE6D1;position:relative}
.visual-main h1 span::after{content:"";position:absolute;left:0;right:0;bottom:2px;height:2px;
  background:linear-gradient(90deg,rgba(94,230,209,.75),rgba(94,230,209,0));border-radius:2px}
.visual-desc{margin-top:20px;color:#8FA9B8;font-size:14px;line-height:1.9;max-width:470px}
.visual-takt{margin-top:44px;border:1px solid rgba(120,180,180,.14);background:rgba(10,26,38,.55);
  border-radius:16px;padding:20px 22px 16px;backdrop-filter:blur(6px);max-width:520px}
.takt-scale{display:flex;justify-content:space-between;font-family:var(--mono);font-size:10px;letter-spacing:.12em;color:#5E7D8C;margin-bottom:12px}
.takt-track{display:flex;align-items:flex-end;gap:9px;height:56px}
.takt-track i{display:block;width:100%;height:100%;border-radius:4px 4px 2px 2px;
  background:linear-gradient(180deg,rgba(94,230,209,.85),rgba(15,179,155,.18));
  transform-origin:bottom;animation:taktPulse 2.6s ease-in-out infinite;animation-delay:var(--d)}
.takt-track i:nth-child(4){background:linear-gradient(180deg,rgba(238,162,60,.9),rgba(238,162,60,.14));height:100%}
.takt-track i::after{content:"";display:block;height:var(--w);background:transparent}
.takt-track i{height:var(--w)}
@keyframes taktPulse{0%,100%{transform:scaleY(.82);opacity:.72}50%{transform:scaleY(1);opacity:1}}
.takt-legend{display:flex;gap:18px;align-items:center;margin-top:14px;font-size:11px;color:#7A96A5}
.takt-legend .mono{margin-left:auto;color:#4FBFAF;letter-spacing:.1em}
.dot{display:inline-block;width:6px;height:6px;border-radius:50%;margin-right:6px;vertical-align:1px}
.dot.teal{background:#5EE6D1}.dot.amber{background:var(--amber)}
.visual-stats{display:flex;gap:44px;margin-top:40px;position:relative;z-index:2}
.visual-stats b{font-family:var(--mono);font-size:26px;color:#E9F6F4;font-weight:500;letter-spacing:-.01em}
.visual-stats span{display:block;font-size:11.5px;color:#6E8A99;margin-top:5px;letter-spacing:.04em}
.visual-foot{margin-top:auto;padding-top:40px;font-size:11px;color:#516E7C;position:relative;z-index:2;letter-spacing:.03em}
.visual-list{list-style:none;margin-top:24px;display:grid;gap:12px}
.visual-list li{display:flex;align-items:center;gap:10px;color:#9FB8C4;font-size:13.5px}
.visual-list i{color:#5EE6D1;font-size:15px}

/* ---------- 右侧表单 ---------- */
.auth-panel{background:#F7FAFC;display:flex;flex-direction:column;justify-content:center;align-items:center;
  padding:48px 40px 26px;position:relative}
.auth-panel::before{content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(12,40,60,.05) 1px,transparent 1px);background-size:22px 22px;
  mask-image:linear-gradient(#000,transparent 70%);opacity:.5;pointer-events:none}
.auth-card{width:100%;max-width:390px;background:#fff;border:1px solid var(--line);border-radius:22px;
  padding:36px 34px 30px;box-shadow:0 30px 70px -46px rgba(9,25,40,.55),0 2px 6px rgba(9,25,40,.03);
  position:relative;z-index:1}
.auth-card.wide{max-width:520px}
.auth-head{margin-bottom:26px}
.auth-badge{display:inline-flex;align-items:center;gap:7px;font-size:11px;letter-spacing:.06em;color:#0A8E7C;
  background:#E8F8F4;border:1px solid #CFF0E9;padding:5px 10px;border-radius:999px;margin-bottom:16px}
.auth-head h2{font-size:26px;font-weight:600;letter-spacing:.01em;color:#0B1826}
.auth-head p{margin-top:8px;font-size:13px;color:var(--muted);line-height:1.7}
.auth-form{display:grid;gap:16px}
.auth-form.grid-2{grid-template-columns:1fr 1fr;gap:15px 14px}
.span-2{grid-column:span 2}
.field{display:block}
.field>span{display:block;font-size:12px;color:#4B6076;margin-bottom:7px;letter-spacing:.03em}
.input-wrap{position:relative;display:flex;align-items:center;background:#F8FAFC;border:1px solid var(--line);
  border-radius:10px;height:44px;transition:.18s ease}
.input-wrap>i{position:absolute;left:13px;color:#96A9BA;font-size:15px}
.input-wrap input,.input-wrap select{width:100%;height:100%;border:0;background:transparent;outline:none;
  padding:0 40px 0 38px;font-size:13.5px;color:var(--ink);font-family:inherit}
.input-wrap select{cursor:pointer;appearance:none;padding-right:30px;
  background-image:linear-gradient(45deg,transparent 50%,#96A9BA 50%),linear-gradient(135deg,#96A9BA 50%,transparent 50%);
  background-position:calc(100% - 18px) 19px,calc(100% - 13px) 19px;background-size:5px 5px,5px 5px;background-repeat:no-repeat}
.input-wrap input::placeholder{color:#A9B8C6}
.input-wrap:focus-within{border-color:#9FDFD3;background:#fff;box-shadow:0 0 0 3px rgba(15,179,155,.1)}
.eye{position:absolute;right:6px;width:32px;height:32px;border:0;background:transparent;color:#96A9BA;cursor:pointer;border-radius:7px}
.eye:hover{color:#0A8E7C;background:#EAF8F5}
.form-row{display:flex;justify-content:space-between;align-items:center;font-size:12.5px}
.check{display:inline-flex;align-items:center;gap:8px;color:#5B7287;cursor:pointer;font-size:12.5px;user-select:none}
.check input{display:none}
.check span{width:15px;height:15px;border:1px solid #C8D6E2;border-radius:4px;background:#fff;position:relative;transition:.15s}
.check input:checked+span{background:var(--brand);border-color:var(--brand)}
.check input:checked+span::after{content:"";position:absolute;left:4.5px;top:1.5px;width:4px;height:8px;
  border:2px solid #fff;border-top:0;border-left:0;transform:rotate(42deg)}
.link-muted{color:#8CA0B2;font-size:12px;cursor:default}
.form-error{display:none;align-items:flex-start;gap:7px;background:#FDEEEF;border:1px solid #F8D6D9;color:#C23A44;
  font-size:12.5px;padding:10px 12px;border-radius:9px;line-height:1.5}
.form-error.show{display:flex}
.form-error i{font-size:14px;margin-top:1px}
.btn-primary{height:46px;border:0;border-radius:10px;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:9px;
  background:linear-gradient(135deg,#12BFA6,#0A9B86);color:#fff;font-size:14px;font-weight:600;letter-spacing:.05em;
  box-shadow:0 12px 24px -14px rgba(10,155,134,.8);transition:.18s ease}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 16px 28px -14px rgba(10,155,134,.85)}
.btn-primary:active{transform:translateY(0)}
.btn-primary:disabled{opacity:.65;cursor:not-allowed;transform:none}
.btn-primary i{font-size:15px}
.btn-ghost{height:44px;border:1px solid var(--line);border-radius:10px;display:flex;align-items:center;justify-content:center;gap:8px;
  color:#3E5468;font-size:13px;background:#fff;transition:.16s;font-weight:500}
.btn-ghost:hover{border-color:#AFE3D9;color:#0A8E7C;background:#F6FDFB}
.auth-divider{display:flex;align-items:center;gap:12px;margin:20px 0 14px;color:#9DB0C0;font-size:11px;letter-spacing:.06em}
.auth-divider::before,.auth-divider::after{content:"";flex:1;height:1px;background:var(--line)}
.auth-hint{margin-top:18px;display:flex;gap:7px;font-size:11px;color:#8EA2B3;line-height:1.7;background:#F7FAFC;border-radius:8px;padding:10px 12px}
.auth-hint i{color:#7FB8AE;margin-top:1px}
.panel-foot{margin-top:26px;display:flex;justify-content:space-between;width:100%;max-width:520px;font-size:10.5px;color:#9AACBC;letter-spacing:.03em;position:relative;z-index:1}
.panel-foot .mono{font-family:var(--mono);letter-spacing:.14em;color:#8AA0B2}

/* 加载状态 */
.btn-primary.loading span{opacity:.55}
.btn-primary.loading::after{content:"";width:14px;height:14px;border:2px solid rgba(255,255,255,.45);
  border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite;position:absolute}
.btn-primary{position:relative}
@keyframes spin{to{transform:rotate(360deg)}}

@media (max-width:1100px){
  .auth-shell{grid-template-columns:1fr}
  .auth-visual{display:none}
  .auth-panel{min-height:100vh}
}
@media (max-width:560px){
  .auth-panel{padding:28px 18px}
  .auth-card{padding:28px 22px;border-radius:18px}
  .auth-form.grid-2{grid-template-columns:1fr}
  .span-2{grid-column:span 1}
}