/* ===========================================================
   MKXJS 证书管理平台 — 科技感 UI
   方向：暗夜赛博 / 电光青 + 玻璃拟态 + 网格脉冲
   =========================================================== */
/* 本地字体（避免 CDN 阻塞，国内访问稳定） */
@font-face{font-family:'Orbitron';font-style:normal;font-weight:700;font-display:swap;
  src:url('/static/fonts/Orbitron-700.woff2') format('woff2')}
@font-face{font-family:'Orbitron';font-style:normal;font-weight:900;font-display:swap;
  src:url('/static/fonts/Orbitron-900.woff2') format('woff2')}
@font-face{font-family:'Rajdhani';font-style:normal;font-weight:500;font-display:swap;
  src:url('/static/fonts/Rajdhani-500.woff2') format('woff2')}
@font-face{font-family:'Rajdhani';font-style:normal;font-weight:600;font-display:swap;
  src:url('/static/fonts/Rajdhani-600.woff2') format('woff2')}
@font-face{font-family:'Rajdhani';font-style:normal;font-weight:700;font-display:swap;
  src:url('/static/fonts/Rajdhani-700.woff2') format('woff2')}
@font-face{font-family:'JetBrains Mono';font-style:normal;font-weight:400;font-display:swap;
  src:url('/static/fonts/JetBrainsMono-400.woff2') format('woff2')}
@font-face{font-family:'JetBrains Mono';font-style:normal;font-weight:600;font-display:swap;
  src:url('/static/fonts/JetBrainsMono-600.woff2') format('woff2')}

:root{
  --bg:#05070d;
  --bg-2:#0a0e17;
  --panel:rgba(16,22,36,.72);
  --panel-2:rgba(22,30,48,.6);
  --border:rgba(0,229,255,.18);
  --border-strong:rgba(0,229,255,.45);
  --accent:#00e5ff;
  --accent-2:#7c5cff;
  --accent-3:#2bff88;
  --danger:#ff3b6b;
  --warn:#ffb648;
  --text:#dbe8f7;
  --muted:#6c7d98;
  --radius:14px;
  --glow:0 0 24px rgba(0,229,255,.25);
  --shadow:0 18px 50px rgba(0,0,0,.55);
}

*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{
  font-family:'Rajdhani',system-ui,sans-serif;
  background:var(--bg);
  color:var(--text);
  min-height:100vh;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
}

/* 背景层：网格 + 径向光晕 + 扫描线 */
.bg-fx{position:fixed;inset:0;z-index:-2;pointer-events:none;
  background:
    radial-gradient(900px 600px at 78% -8%, rgba(124,92,255,.16), transparent 60%),
    radial-gradient(900px 700px at 8% 110%, rgba(0,229,255,.14), transparent 60%),
    linear-gradient(180deg,#05070d 0%,#070b15 100%);
}
.bg-grid{position:fixed;inset:0;z-index:-1;pointer-events:none;
  background-image:
    linear-gradient(rgba(0,229,255,.06) 1px,transparent 1px),
    linear-gradient(90deg,rgba(0,229,255,.06) 1px,transparent 1px);
  background-size:46px 46px;
  mask-image:radial-gradient(ellipse 100% 80% at 50% 30%,#000 35%,transparent 85%);
  animation:gridShift 22s linear infinite;
}
@keyframes gridShift{to{background-position:46px 46px}}
.scan{position:fixed;left:0;right:0;height:120px;z-index:-1;pointer-events:none;
  background:linear-gradient(180deg,transparent,rgba(0,229,255,.05),transparent);
  animation:scan 7s linear infinite}
@keyframes scan{0%{top:-120px}100%{top:100%}}

/* 布局 */
.app{max-width:1180px;margin:0 auto;padding:0 18px 80px}

/* 顶栏 */
.topbar{position:sticky;top:0;z-index:40;backdrop-filter:blur(14px);
  background:linear-gradient(180deg,rgba(5,7,13,.92),rgba(5,7,13,.55));
  border-bottom:1px solid var(--border)}
.topbar-in{max-width:1180px;margin:0 auto;padding:12px 18px;display:flex;align-items:center;gap:14px;position:relative}
.brand{display:flex;align-items:center;gap:12px;cursor:pointer;text-decoration:none;color:inherit}
.brand .mark{width:38px;height:38px;flex:0 0 auto}
.brand .t{font-family:'Orbitron';font-weight:900;font-size:18px;letter-spacing:.14em;
  background:linear-gradient(90deg,var(--accent),var(--accent-2));
  -webkit-background-clip:text;background-clip:text;color:transparent}
.brand .sub{font-size:11px;color:var(--muted);letter-spacing:.32em;text-transform:uppercase}
.topbar-spacer{flex:1}
.tb-btns{display:flex;gap:8px;align-items:center}
.chip{font-family:'JetBrains Mono';font-size:12px;color:var(--accent);padding:5px 11px;
  border:1px solid var(--border-strong);border-radius:999px;background:rgba(0,229,255,.06);
  white-space:nowrap;max-width:38vw;overflow:hidden;text-overflow:ellipsis}

/* 导航菜单：桌面端横向显示在顶栏内 */
.nav-menu{display:flex;gap:8px;align-items:center;flex-wrap:wrap;justify-content:flex-end}
.nav-toggle{display:none;flex-direction:column;justify-content:center;gap:5px;width:38px;height:38px;
  padding:0;background:rgba(0,229,255,.06);border:1px solid var(--border-strong);border-radius:10px;cursor:pointer;flex:0 0 auto}
.nav-toggle span{display:block;height:2px;width:20px;margin:0 auto;background:var(--accent);border-radius:2px;transition:.25s}
.nav-toggle.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* 卡片 */
.card{background:var(--panel);border:1px solid var(--border);border-radius:var(--radius);
  padding:22px;box-shadow:var(--shadow);backdrop-filter:blur(10px);position:relative;overflow:hidden}
.card::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,var(--accent),transparent);opacity:.6}
.card+.card{margin-top:18px}
.card-h{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.card-h h2{font-family:'Orbitron';font-weight:700;font-size:16px;letter-spacing:.08em;color:#fff}
.card-h .dot{width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 12px var(--accent)}
.section-title{font-family:'Orbitron';font-size:13px;letter-spacing:.18em;color:var(--accent);
  text-transform:uppercase;margin:6px 0 14px;display:flex;align-items:center;gap:8px}
.section-title::before{content:"";width:14px;height:2px;background:var(--accent)}

/* 表单 */
.field{margin-bottom:14px}
.field label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px;letter-spacing:.05em;text-transform:uppercase}
.input,.select,.textarea{width:100%;padding:12px 14px;background:rgba(8,12,22,.85);
  border:1px solid var(--border);border-radius:10px;color:var(--text);font-family:'Rajdhani';font-size:16px;
  transition:.2s;outline:none}
.input:focus,.select:focus,.textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(0,229,255,.12)}
.textarea{min-height:120px;resize:vertical;font-family:'Rajdhani'}
.input.mono{font-family:'JetBrains Mono';font-size:15px;letter-spacing:.06em}
.hint{font-size:12px;color:var(--muted);margin-top:6px}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;cursor:pointer;
  padding:11px 20px;border-radius:10px;font-family:'Rajdhani';font-weight:600;font-size:15px;letter-spacing:.06em;
  border:1px solid transparent;transition:.18s;text-decoration:none;white-space:nowrap;user-select:none}
.btn-primary{background:linear-gradient(90deg,var(--accent),#36b8ff);color:#02121a;
  box-shadow:0 0 0 1px rgba(0,229,255,.4),0 8px 24px rgba(0,229,255,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 0 1px var(--accent),0 14px 34px rgba(0,229,255,.42)}
.btn-ghost{background:rgba(0,229,255,.06);color:var(--accent);border-color:var(--border-strong)}
.btn-ghost:hover{background:rgba(0,229,255,.14)}
.btn-violet{background:linear-gradient(90deg,var(--accent-2),#b06bff);color:#0c0218;
  box-shadow:0 8px 24px rgba(124,92,255,.3)}
.btn-violet:hover{transform:translateY(-2px)}
.btn-danger{background:rgba(255,59,107,.12);color:var(--danger);border-color:rgba(255,59,107,.4)}
.btn-danger:hover{background:rgba(255,59,107,.22)}
.btn-ok{background:rgba(43,255,136,.12);color:var(--accent-3);border-color:rgba(43,255,136,.4)}
.btn-ok:hover{background:rgba(43,255,136,.22)}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none!important}
.btn-sm{padding:7px 13px;font-size:13px;border-radius:8px}
.btn-lg{padding:15px 30px;font-size:17px}

/* 大醒目按钮（安装指引） */
.btn-hero{display:flex;flex-direction:column;align-items:center;gap:4px;width:100%;
  padding:20px;border-radius:16px;font-family:'Orbitron';font-weight:700;font-size:17px;letter-spacing:.1em}
.btn-hero .h-sub{font-family:'Rajdhani';font-weight:400;font-size:13px;letter-spacing:.04em;opacity:.8}

/* 数据行 */
.kv{display:flex;justify-content:space-between;align-items:center;padding:11px 0;
  border-bottom:1px dashed rgba(108,125,152,.2)}
.kv:last-child{border-bottom:0}
.kv .k{color:var(--muted);font-size:14px}
.kv .v{font-family:'JetBrains Mono';font-size:15px;color:#fff;text-align:right;word-break:break-all}
.tag{display:inline-block;padding:3px 9px;border-radius:6px;font-size:11px;letter-spacing:.06em;
  font-family:'JetBrains Mono';text-transform:uppercase}
.tag-ok{background:rgba(43,255,136,.12);color:var(--accent-3);border:1px solid rgba(43,255,136,.3)}
.tag-warn{background:rgba(255,182,72,.12);color:var(--warn);border:1px solid rgba(255,182,72,.3)}
.tag-danger{background:rgba(255,59,107,.12);color:var(--danger);border:1px solid rgba(255,59,107,.3)}
.tag-info{background:rgba(0,229,255,.1);color:var(--accent);border:1px solid var(--border-strong)}

/* 网格 */
.grid{display:grid;gap:14px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-auto{grid-template-columns:repeat(auto-fill,minmax(220px,1fr))}

/* 表格 */
.tbl{width:100%;border-collapse:collapse;font-size:14px}
.tbl th{text-align:left;color:var(--muted);font-weight:600;font-size:12px;letter-spacing:.1em;
  text-transform:uppercase;padding:10px 12px;border-bottom:1px solid var(--border)}
.tbl td{padding:11px 12px;border-bottom:1px solid rgba(108,125,152,.12);font-family:'JetBrains Mono';font-size:13px}
.tbl tr:hover td{background:rgba(0,229,255,.04)}
.tbl-wrap{overflow-x:auto;border:1px solid var(--border);border-radius:12px}

/* 复制条 */
.copy-row{display:flex;gap:8px;align-items:center}
.copy-row .input{flex:1}
.copy-box{background:rgba(8,12,22,.7);border:1px solid var(--border);border-radius:10px;
  padding:12px 14px;font-family:'JetBrains Mono';font-size:14px;color:var(--accent);word-break:break-all}

/* Toast */
.toast-wrap{position:fixed;top:18px;left:50%;transform:translateX(-50%);z-index:200;display:flex;flex-direction:column;gap:8px}
.toast{padding:12px 22px;border-radius:10px;font-weight:600;font-size:14px;backdrop-filter:blur(10px);
  border:1px solid var(--border);background:var(--panel);box-shadow:var(--shadow);animation:tin .3s}
.toast.ok{border-color:rgba(43,255,136,.5);color:var(--accent-3)}
.toast.err{border-color:rgba(255,59,107,.5);color:var(--danger)}
.toast.info{border-color:var(--border-strong);color:var(--accent)}
@keyframes tin{from{opacity:0;transform:translateY(-12px)}to{opacity:1;transform:none}}

/* 模态 */
.modal-mask{position:fixed;inset:0;z-index:150;background:rgba(2,4,10,.7);backdrop-filter:blur(6px);
  display:flex;align-items:center;justify-content:center;padding:18px;animation:fade .2s}
@keyframes fade{from{opacity:0}to{opacity:1}}
.modal{background:var(--bg-2);border:1px solid var(--border-strong);border-radius:16px;
  max-width:560px;width:100%;max-height:86vh;overflow:auto;box-shadow:var(--shadow)}
.modal-h{padding:16px 20px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}
.modal-h h3{font-family:'Orbitron';font-size:15px;letter-spacing:.08em}
.modal-b{padding:20px}
.modal-f{padding:14px 20px;border-top:1px solid var(--border);display:flex;justify-content:flex-end;gap:8px}
.x{cursor:pointer;color:var(--muted);font-size:22px;line-height:1;background:none;border:none}
.x:hover{color:#fff}

/* 登录/注册 中心卡 */
.auth-wrap{min-height:calc(100vh - 64px);display:flex;align-items:center;justify-content:center;padding:30px 14px}
.auth-card{width:100%;max-width:420px}
.auth-card .logo-big{display:flex;justify-content:center;margin-bottom:18px}
.auth-card .logo-big svg{width:64px;height:64px;filter:drop-shadow(0 0 16px rgba(0,229,255,.5))}
.auth-tabs{display:flex;gap:8px;margin-bottom:20px;background:rgba(8,12,22,.6);padding:5px;border-radius:12px;border:1px solid var(--border)}
.auth-tabs button{flex:1;padding:9px;border:none;background:none;color:var(--muted);cursor:pointer;
  font-family:'Rajdhani';font-weight:600;font-size:15px;border-radius:8px;transition:.2s}
.auth-tabs button.on{background:linear-gradient(90deg,var(--accent),#36b8ff);color:#02121a}

/* 安装指引滑动 */
.guide{position:relative}
.slides{overflow:hidden;border-radius:12px}
.slide-track{display:flex;transition:transform .45s cubic-bezier(.6,.1,.2,1)}
.slide{min-width:100%;padding:8px 4px}
.slide .step-num{font-family:'Orbitron';font-size:12px;color:var(--accent);letter-spacing:.2em}
.slide h3{font-family:'Orbitron';font-size:20px;margin:8px 0 12px;color:#fff}
.slide .content{font-size:16px;line-height:1.7;color:var(--text)}
.slide .content p{margin-bottom:10px}
.guide-nav{display:flex;justify-content:space-between;align-items:center;margin-top:18px}
.dots{display:flex;gap:6px}
.dots span{width:9px;height:9px;border-radius:50%;background:rgba(108,125,152,.35);transition:.2s;cursor:pointer}
.dots span.on{background:var(--accent);box-shadow:0 0 10px var(--accent);width:22px;border-radius:5px}

/* 进度条 */
.steps{display:flex;gap:0;margin-bottom:22px}
.steps .st{flex:1;text-align:center;position:relative;font-size:12px;color:var(--muted);letter-spacing:.08em}
.steps .st .n{width:28px;height:28px;border-radius:50%;margin:0 auto 6px;display:flex;align-items:center;justify-content:center;
  border:1px solid var(--border);font-family:'JetBrains Mono';font-size:13px;background:var(--bg-2)}
.steps .st.done .n{background:var(--accent);color:#02121a;border-color:var(--accent)}
.steps .st.cur .n{border-color:var(--accent);color:var(--accent);box-shadow:0 0 14px rgba(0,229,255,.5)}
.steps .st::after{content:"";position:absolute;top:14px;left:50%;width:100%;height:1px;background:var(--border)}
.steps .st:last-child::after{display:none}

/* 空状态 */
.empty{text-align:center;padding:36px 14px;color:var(--muted)}
.empty svg{width:48px;height:48px;opacity:.4;margin-bottom:10px}

/* 加载 */
.loader{display:flex;align-items:center;justify-content:center;padding:40px}
.spin{width:34px;height:34px;border:3px solid rgba(0,229,255,.18);border-top-color:var(--accent);border-radius:50%;animation:sp 1s linear infinite}
@keyframes sp{to{transform:rotate(360deg)}}

/* 富文本展示 */
.rich h1,.rich h2,.rich h3{font-family:'Orbitron';color:#fff;margin:12px 0 8px}
.rich p{margin:8px 0;line-height:1.7}
.rich ol,.rich ul{margin:8px 0 8px 22px;line-height:1.8}

/* 统计卡 */
.stat{background:var(--panel-2);border:1px solid var(--border);border-radius:12px;padding:16px}
.stat .num{font-family:'Orbitron';font-size:26px;font-weight:900;color:var(--accent)}
.stat .lbl{font-size:12px;color:var(--muted);letter-spacing:.1em;text-transform:uppercase;margin-top:4px}
.stat.v .num{color:var(--accent-2)}
.stat.g .num{color:var(--accent-3)}
.stat.d .num{color:var(--warn)}

/* 工具栏 */
.toolbar{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px;align-items:center}
.toolbar .spacer{flex:1}

/* 选项卡（超管） */
.tabs{display:flex;gap:6px;flex-wrap:wrap;margin-bottom:18px;border-bottom:1px solid var(--border);padding-bottom:0}
.tabs button{padding:10px 16px;background:none;border:none;color:var(--muted);cursor:pointer;
  font-family:'Rajdhani';font-weight:600;font-size:15px;border-bottom:2px solid transparent;transition:.2s}
.tabs button.on{color:var(--accent);border-bottom-color:var(--accent)}
.tabs button:hover{color:var(--text)}

/* 响应式 */
@media(max-width:760px){
  .app{padding:0 12px 70px}
  .grid-2,.grid-3{grid-template-columns:1fr}
  .grid-auto{grid-template-columns:1fr}
  .brand .sub{display:none}
  .brand .t{font-size:15px}
  .brand .mark{width:32px;height:32px}
  .topbar-in{padding:10px 12px;gap:8px;flex-wrap:nowrap}
  /* 隐藏横向导航，改用汉堡按钮 */
  .nav-toggle{display:flex}
  .nav-menu{display:none;position:absolute;top:100%;right:0;left:0;
    flex-direction:column;align-items:stretch;gap:6px;
    background:var(--bg-2);border-bottom:1px solid var(--border-strong);
    padding:12px;box-shadow:var(--shadow);z-index:39}
  .nav-menu.open{display:flex}
  .nav-menu .btn{width:100%;justify-content:flex-start;padding:11px 14px}
  .chip{max-width:30vw;font-size:11px;padding:4px 8px}
  .btn-sm{padding:7px 11px;font-size:13px}
  .tbl{font-size:12px}
  .tbl th,.tbl td{padding:8px 8px}
  .modal{max-width:100%}
  .btn-hero{font-size:15px;padding:16px}
  .stat .num{font-size:22px}
  .steps .st{font-size:11px}
  .tabs{gap:4px}
  .tabs button{padding:8px 11px;font-size:14px}
}
.hide{display:none!important}

/* 通用间距 */
.mt8{margin-top:8px}.mt14{margin-top:14px}.mt18{margin-top:18px}.mt24{margin-top:24px}
.mb8{margin-bottom:8px}.mb14{margin-bottom:14px}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.row .grow{flex:1}
.center{text-align:center}
.gap8{gap:8px}.gap14{gap:14px}.gap16{gap:16px}

/* ===================== 流量看板 ===================== */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:18px}
.stat-card{background:var(--panel);border:1px solid var(--border);border-radius:14px;padding:18px 16px;
  position:relative;overflow:hidden;transition:border-color .3s}
.stat-card:hover{border-color:var(--border-strong)}
.stat-card::before{content:'';position:absolute;top:0;left:0;right:0;height:2px;background:var(--accent);opacity:.6}
.stat-card.accent::before{background:var(--accent)}
.stat-card.up::before{background:var(--accent-3)}
.stat-card.down::before{background:var(--accent)}
.stat-icon{font-size:20px;opacity:.5;margin-bottom:8px}
.stat-card.accent .stat-icon{color:var(--accent);opacity:.8}
.stat-card.up .stat-icon{color:var(--accent-3)}
.stat-card.down .stat-icon{color:var(--accent)}
.stat-val{font-family:'Orbitron',monospace;font-size:26px;font-weight:700;color:var(--text);line-height:1.2}
.stat-label{font-size:13px;color:var(--text-dim);margin-top:4px}
.stat-sub{font-size:11px;color:var(--text-dim);opacity:.6;margin-top:2px}

/* 趋势图 */
.trend-chart{display:flex;align-items:flex-end;gap:3px;height:120px;padding:10px 0;
  border-bottom:1px solid var(--border);overflow-x:auto}
.tbar-group{flex:1;min-width:24px;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;
  height:100%;position:relative;cursor:pointer}
.tbar-up{width:45%;background:var(--accent-3);border-radius:2px 2px 0 0;min-height:1px;opacity:.7}
.tbar-down{width:45%;background:var(--accent);border-radius:0 0 2px 2px;min-height:1px;opacity:.7}
.tbar-group:hover .tbar-up,.tbar-group:hover .tbar-down{opacity:1}
.tbar-label{font-size:9px;color:var(--text-dim);margin-top:4px;white-space:nowrap}
.legend{display:flex;gap:16px;justify-content:center;padding:10px 0;font-size:12px;color:var(--text-dim)}
.leg-up,.leg-down{display:inline-block;width:10px;height:10px;border-radius:2px;margin-right:4px;vertical-align:middle}
.leg-up{background:var(--accent-3)}.leg-down{background:var(--accent)}

/* 看板周期标签 */
.dash-cycle{font-size:13px;padding:6px 14px}

@media(max-width:760px){
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .stat-val{font-size:20px}
}