/* Aether Vault — Neverlose 风格：深蓝底 + 青色强调 */
:root{
  --bg:#07121c;
  --bg-2:#0b1a26;
  --bg-3:#0e2230;
  --card:#0a1824;
  --line:rgba(23,163,201,.18);
  --accent:#17a3c9;
  --accent-2:#25c4ea;
  --text:#e8f1f7;
  --dim:#7d94a6;
  --danger:#e5484d;
  --ok:#3fb950;
  --radius:6px;
}

*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{
  font-family:"Segoe UI","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  background:var(--bg);
  color:var(--text);
  -webkit-font-smoothing:antialiased;
  line-height:1.55;
}
a{color:var(--accent);text-decoration:none}
a:hover{color:var(--accent-2)}
button{font-family:inherit;cursor:pointer;border:none;outline:none}

/* ---------- 顶部导航 ---------- */
.nav{
  position:sticky;top:0;z-index:50;
  display:flex;align-items:center;gap:28px;
  padding:20px 46px;
  background:linear-gradient(180deg,rgba(7,18,28,.96),rgba(7,18,28,.78));
  backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(23,163,201,.10);
}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;letter-spacing:.08em;font-size:15px}
.brand svg{width:26px;height:26px;color:var(--accent)}
.nav-links{display:flex;gap:26px;margin-left:40px}
.nav-links a{color:#cfe0ec;font-size:13.5px;font-weight:600;letter-spacing:.02em}
.nav-links a:hover{color:var(--accent-2)}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:20px;font-size:13px}
.nav-right .muted{color:var(--dim)}

/* ---------- 主视觉 ---------- */
.hero{
  position:relative;min-height:calc(100vh - 74px);
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  text-align:center;padding:60px 24px;
  background:
    radial-gradient(ellipse 60% 50% at 50% 40%,rgba(23,163,201,.16),transparent 70%),
    linear-gradient(180deg,#07121c 0%,#0a1b28 45%,#07121c 100%);
  overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    repeating-linear-gradient(90deg,rgba(255,255,255,.014) 0 1px,transparent 1px 120px),
    repeating-linear-gradient(0deg,rgba(255,255,255,.014) 0 1px,transparent 1px 120px);
  mask-image:radial-gradient(ellipse at center,#000 20%,transparent 72%);
}
.hero-title{
  font-size:clamp(44px,8vw,88px);
  font-weight:800;letter-spacing:.02em;line-height:1;
  margin-bottom:22px;position:relative;
}
.hero-title .accent{color:var(--accent)}
.hero-sub{color:#a9bccb;font-size:15.5px;max-width:660px;margin-bottom:44px;position:relative}
.btn{
  display:inline-block;padding:14px 42px;
  background:var(--accent);color:#03121a;
  font-weight:700;font-size:13.5px;letter-spacing:.12em;
  border-radius:3px;transition:.18s;
}
.btn:hover{background:var(--accent-2);color:#03121a;transform:translateY(-1px)}
.btn.ghost{background:transparent;color:var(--accent);border:1px solid var(--line)}
.btn.ghost:hover{background:rgba(23,163,201,.10);color:var(--accent-2)}
.btn.sm{padding:9px 20px;font-size:12px;letter-spacing:.06em}
.btn.danger{background:var(--danger);color:#fff}
.btn.danger:hover{background:#f0595e;color:#fff}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none}

/* ---------- 卡片 / 面板 ---------- */
.wrap{max-width:1180px;margin:0 auto;padding:48px 24px}
.panel{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:26px 28px;
  margin-bottom:22px;
}
.panel h2{
  font-size:13px;font-weight:700;letter-spacing:.14em;
  color:var(--accent);text-transform:uppercase;margin-bottom:18px;
}
.panel p.hint{color:var(--dim);font-size:12.5px;margin-top:8px}
.grid{display:grid;gap:18px}
.grid.c2{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.grid.c3{grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}

.stat{
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius);
  padding:18px 20px;
}
.stat .k{font-size:11px;letter-spacing:.12em;color:var(--dim);text-transform:uppercase}
.stat .v{font-size:26px;font-weight:700;margin-top:6px;color:var(--accent-2)}

/* ---------- 表单 ---------- */
.field{margin-bottom:16px}
.field label{display:block;font-size:11.5px;letter-spacing:.1em;color:var(--dim);
  text-transform:uppercase;margin-bottom:7px}
.input{
  width:100%;padding:13px 15px;
  background:#0d2030;border:1px solid rgba(23,163,201,.16);
  border-radius:4px;color:var(--text);font-size:14px;font-family:inherit;
  transition:.16s;
}
.input:focus{border-color:var(--accent);background:#0f2739;outline:none}
.input::placeholder{color:#4f6474}
textarea.input{resize:vertical;min-height:90px;font-family:ui-monospace,Consolas,monospace;font-size:12.5px}

/* 假验证码 */
.captcha{
  display:flex;align-items:center;gap:14px;
  background:#eef2f7;border-radius:4px;padding:16px 18px;color:#1c2b38;
  max-width:340px;margin:0 auto 22px;
}
.captcha .box{
  width:28px;height:28px;border:2px solid #64748b;border-radius:3px;
  display:grid;place-items:center;cursor:pointer;flex:none;transition:.15s;
}
.captcha .box.checked{background:#ffc439;border-color:#ffc439}
.captcha .box.checked::after{content:"";width:7px;height:13px;
  border-right:2.5px solid #1c2b38;border-bottom:2.5px solid #1c2b38;
  transform:rotate(42deg) translate(-1px,-2px)}
.captcha .txt{font-size:14px}
.captcha .mark{margin-left:auto;text-align:center;font-size:9px;color:#5b6b7b;line-height:1.2}
.captcha .mark svg{width:26px;height:26px;display:block;margin:0 auto 3px;color:#4a90d9}

/* ---------- 登录页 ---------- */
.auth-page{
  min-height:100vh;display:flex;flex-direction:column;
  align-items:center;justify-content:center;padding:40px 20px;
  background:radial-gradient(ellipse 70% 60% at 50% 30%,rgba(23,163,201,.12),transparent 70%),var(--bg);
}
.auth-logo{display:flex;align-items:center;gap:12px;margin-bottom:44px}
.auth-logo svg{width:52px;height:52px;color:var(--accent)}
.auth-logo span{font-size:26px;font-weight:800;letter-spacing:.06em}
.auth-box{width:100%;max-width:430px}
.auth-box .input{margin-bottom:16px;padding:15px 16px;font-size:14.5px}
.auth-box .btn{width:100%;padding:15px;margin-top:6px}
.auth-links{margin-top:24px;text-align:center;font-size:13px;color:var(--dim);line-height:2.1}
.auth-links a{display:block}

/* ---------- 表格 ---------- */
table{width:100%;border-collapse:collapse;font-size:13px}
th{
  text-align:left;padding:10px 12px;color:var(--dim);
  font-size:11px;letter-spacing:.1em;text-transform:uppercase;
  border-bottom:1px solid var(--line);font-weight:600;
}
td{padding:12px;border-bottom:1px solid rgba(23,163,201,.07);color:#c6d8e4}
tr:hover td{background:rgba(23,163,201,.04)}
.mono{font-family:ui-monospace,Consolas,monospace;font-size:12.5px;letter-spacing:.04em}

/* ---------- 标签 ---------- */
.tag{
  display:inline-block;padding:3px 9px;border-radius:3px;
  font-size:10.5px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
}
.tag.ok{background:rgba(63,185,80,.15);color:var(--ok)}
.tag.no{background:rgba(229,72,77,.15);color:var(--danger)}
.tag.adm{background:rgba(23,163,201,.18);color:var(--accent-2)}
.tag.dbg{background:rgba(255,196,0,.15);color:#ffc400}

/* ---------- Toast ---------- */
#toast{
  position:fixed;bottom:26px;right:26px;z-index:999;
  display:flex;flex-direction:column;gap:10px;pointer-events:none;
}
.toast{
  padding:13px 20px;border-radius:5px;font-size:13px;
  background:#102836;border-left:3px solid var(--accent);
  color:var(--text);box-shadow:0 8px 28px rgba(0,0,0,.5);
  animation:slide .24s ease;
}
.toast.err{border-left-color:var(--danger)}
.toast.ok{border-left-color:var(--ok)}
@keyframes slide{from{transform:translateX(24px);opacity:0}to{transform:none;opacity:1}}

/* ---------- 头像 / 用户区 ---------- */
.avatar{
  width:96px;height:96px;border-radius:50%;
  background:linear-gradient(145deg,#0e2230,#0a1824);
  border:1px solid var(--line);
  display:grid;place-items:center;margin:0 auto 16px;
  font-size:11px;color:var(--dim);letter-spacing:.1em;
}
.user-head{display:flex;align-items:center;gap:16px;margin-bottom:8px}
.user-head .name{font-size:19px;font-weight:700}

/* ---------- 空状态 ---------- */
.empty{
  text-align:center;padding:52px 20px;color:var(--dim);font-size:13.5px;
  border:1px dashed rgba(23,163,201,.14);border-radius:var(--radius);
}

/* ---------- 页脚 ---------- */
.foot{
  border-top:1px solid rgba(23,163,201,.10);
  padding:34px 46px;color:var(--dim);font-size:12px;
  display:flex;flex-wrap:wrap;gap:36px;
}
.foot .cols{display:flex;gap:64px;flex-wrap:wrap;flex:1}
.foot .col{display:flex;flex-direction:column;gap:7px}
.foot .col b{color:#cfe0ec;font-size:12px;letter-spacing:.08em;margin-bottom:5px}
.foot .col a{color:var(--dim);font-size:12px}
.foot .col a:hover{color:var(--accent)}
.foot .legal{width:100%;margin-top:26px;font-size:10.5px;line-height:1.7;
  color:#43566a;text-align:center}

/* ---------- 工具类 ---------- */
.row{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.sp{flex:1}
.mt{margin-top:18px}
.muted{color:var(--dim)}
.small{font-size:12px}
.center{text-align:center}
.hidden{display:none}