:root{
  --bg:#0a0e14;
  --bg-soft:#0d1117;
  --panel:rgba(255,255,255,.022);
  --line:rgba(230,230,230,.09);
  --line-hi:rgba(212,175,55,.42);
  --text:#e6e6e6;
  --muted:#79838f;
  --gold:#d4af37;
  --gold-soft:#f0e6c6;
  --ok:#8fd694;
  --err:#e0736a;
  --mono:ui-monospace,"JetBrains Mono","SFMono-Regular",Consolas,"Liberation Mono",monospace;
  --r:3px;
}

*{box-sizing:border-box}
html,body{height:100%}

body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--mono);
  font-size:14px;
  line-height:1.65;
  letter-spacing:.012em;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}

/* 极客网格底纹 */
.grid-bg{
  position:fixed;
  inset:0;
  z-index:0;
  pointer-events:none;
  background-image:
    linear-gradient(to right, rgba(230,230,230,.045) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(230,230,230,.045) 1px, transparent 1px);
  background-size:56px 56px;
  mask-image:radial-gradient(ellipse 80% 65% at 50% 0%, #000 10%, transparent 78%);
  -webkit-mask-image:radial-gradient(ellipse 80% 65% at 50% 0%, #000 10%, transparent 78%);
}

body::before{
  content:"";
  position:fixed;
  inset:0 0 auto 0;
  height:340px;
  z-index:0;
  pointer-events:none;
  background:radial-gradient(ellipse 60% 100% at 50% 0%, rgba(212,175,55,.10), transparent 70%);
}

.page-auth,.page-app{display:flex;flex-direction:column;min-height:100%}
.page-auth{justify-content:center}

/* ---------- 面板 ---------- */
.panel{
  position:relative;
  z-index:1;
  background:linear-gradient(180deg, rgba(255,255,255,.028), rgba(255,255,255,.008));
  border:1px solid var(--line);
  border-radius:var(--r);
  box-shadow:0 24px 60px -30px #000, inset 0 1px 0 rgba(255,255,255,.05);
  backdrop-filter:blur(2px);
}

.panel::after{
  content:"";
  position:absolute;
  left:-1px;
  top:-1px;
  width:42px;
  height:42px;
  border-left:1px solid var(--gold);
  border-top:1px solid var(--gold);
  opacity:.55;
  pointer-events:none;
}

/* ---------- 登录页 ---------- */
.auth-wrap{
  position:relative;
  z-index:1;
  width:100%;
  max-width:420px;
  margin:0 auto;
  padding:32px 20px;
}

.auth-panel{padding:32px 28px 24px}

.eyebrow{
  margin:0 0 14px;
  font-size:10px;
  letter-spacing:.26em;
  text-transform:uppercase;
  color:var(--gold);
  opacity:.85;
}

.title{
  margin:0;
  font-size:26px;
  font-weight:600;
  letter-spacing:.06em;
  background:linear-gradient(96deg, var(--gold-soft), var(--gold) 62%, #9c8329);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}

.hint{
  margin:10px 0 26px;
  font-size:12.5px;
  color:var(--muted);
}

.field-stack{display:flex;flex-direction:column;gap:10px}

.label{
  font-size:11px;
  letter-spacing:.18em;
  text-transform:uppercase;
  color:var(--muted);
}

.input{
  width:100%;
  padding:12px 14px;
  font:inherit;
  font-size:14px;
  color:var(--text);
  background:rgba(0,0,0,.42);
  border:1px solid var(--line);
  border-radius:var(--r);
  outline:none;
  transition:border-color .18s ease, box-shadow .18s ease, background .18s ease;
}

.input::placeholder{color:#4d5763}

.input:hover{border-color:rgba(230,230,230,.18)}

.input:focus{
  border-color:var(--line-hi);
  background:rgba(0,0,0,.6);
  box-shadow:0 0 0 1px rgba(212,175,55,.14), 0 0 22px -8px rgba(212,175,55,.55);
}

.input.is-bad{border-color:rgba(224,115,106,.55)}
.input:disabled{opacity:.55;cursor:not-allowed}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:12px 20px;
  font:inherit;
  font-size:13px;
  letter-spacing:.1em;
  text-transform:uppercase;
  color:var(--gold-soft);
  background:rgba(212,175,55,.06);
  border:1px solid var(--line-hi);
  border-radius:var(--r);
  cursor:pointer;
  transition:background .18s ease, color .18s ease, box-shadow .18s ease, border-color .18s ease;
}

.btn:hover:not(:disabled){
  background:rgba(212,175,55,.13);
  border-color:var(--gold);
  box-shadow:0 0 24px -10px rgba(212,175,55,.75), inset 0 0 20px -14px rgba(212,175,55,.9);
}

.btn:active:not(:disabled){transform:translateY(1px)}
.btn:focus-visible{outline:1px solid var(--gold);outline-offset:2px}

.btn:disabled{
  opacity:.42;
  cursor:not-allowed;
}

.btn-ghost{
  color:var(--muted);
  background:transparent;
  border-color:var(--line);
}
.btn-ghost:hover:not(:disabled){
  color:var(--text);
  border-color:rgba(230,230,230,.22);
  box-shadow:none;
}

.btn-sm{padding:7px 13px;font-size:11px}

/* ---------- 提示 ---------- */
.msg{
  margin:2px 0 0;
  min-height:18px;
  font-size:12.5px;
  color:var(--muted);
  word-break:break-word;
}
.msg.err{color:var(--err)}
.msg.ok{color:var(--ok)}

.foot{
  margin:24px 0 0;
  padding-top:16px;
  border-top:1px solid var(--line);
  font-size:11px;
  color:#5c6672;
  letter-spacing:.04em;
}

/* ---------- 顶栏 ---------- */
.topbar{
  position:relative;
  z-index:2;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:14px 20px;
  border-bottom:1px solid var(--line);
  background:rgba(10,14,20,.72);
  backdrop-filter:blur(6px);
}

.brand{
  display:flex;
  align-items:center;
  gap:9px;
  font-size:12px;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--muted);
}

.brand .dot{
  width:6px;
  height:6px;
  border-radius:50%;
  background:var(--gold);
  box-shadow:0 0 10px 1px rgba(212,175,55,.8);
}

/* ---------- 签发页 ---------- */
.app-main{
  position:relative;
  z-index:1;
  flex:1;
  width:100%;
  max-width:760px;
  margin:0 auto;
  padding:36px 20px 56px;
}

.panel-head{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  gap:12px;
  padding:24px 24px 0;
}

.title-sm{
  margin:0;
  font-size:16px;
  font-weight:600;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--gold-soft);
}

.tag{
  font-size:10.5px;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:#5c6672;
  white-space:nowrap;
}

.panel-body{padding:20px 24px 24px}

.field{display:flex;flex-direction:column;gap:9px}

.meta-line{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:11.5px;
  color:#5c6672;
  min-height:17px;
}

.meta-line .count{font-variant-numeric:tabular-nums}

.actions{margin-top:20px;display:flex;gap:10px;align-items:center}
.actions .btn{flex:0 0 auto;padding-left:26px;padding-right:26px}

/* ---------- 输出区 ---------- */
.out-wrap{
  margin-top:22px;
  border-top:1px solid var(--line);
  padding-top:20px;
  display:none;
}
.out-wrap.show{display:block}

.out-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-bottom:10px;
}

.out-title{
  font-size:11px;
  letter-spacing:.2em;
  text-transform:uppercase;
  color:var(--gold);
  opacity:.9;
}

.out{
  margin:0;
  padding:16px;
  max-height:190px;
  overflow:auto;
  font-family:var(--mono);
  font-size:12px;
  line-height:1.7;
  color:#cfd6de;
  background:#070a0f;
  border:1px solid var(--line);
  border-left:1px solid rgba(212,175,55,.5);
  border-radius:var(--r);
  white-space:pre-wrap;
  word-break:break-all;
  box-shadow:inset 0 0 40px -24px rgba(212,175,55,.9);
}

.out-meta{
  margin:10px 0 0;
  font-size:11px;
  color:#5c6672;
  letter-spacing:.04em;
}

/* ---------- 复制提示 ---------- */
.toast{
  position:fixed;
  left:50%;
  bottom:26px;
  z-index:10;
  transform:translate(-50%, 14px);
  padding:9px 18px;
  font-size:12px;
  letter-spacing:.1em;
  color:var(--gold-soft);
  background:rgba(13,17,23,.95);
  border:1px solid var(--line-hi);
  border-radius:var(--r);
  box-shadow:0 12px 30px -14px #000, 0 0 26px -14px rgba(212,175,55,.8);
  opacity:0;
  pointer-events:none;
  transition:opacity .2s ease, transform .2s ease;
  white-space:nowrap;
}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* ---------- 移动端 ---------- */
@media (max-width:560px){
  .auth-panel{padding:26px 20px 20px}
  .title{font-size:22px}
  .app-main{padding:24px 14px 48px}
  .panel-head{padding:20px 16px 0;flex-direction:column;align-items:flex-start;gap:6px}
  .panel-body{padding:16px 16px 20px}
  .actions{flex-direction:column;align-items:stretch}
  .actions .btn{width:100%}
  .out{font-size:11.5px}
}

@media (prefers-reduced-motion:reduce){
  *{transition:none!important}
}