*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{
  --bg:#0b0c10;--bg2:#111318;--surface:#161821;--surface2:#1c1f2a;
  --border:rgba(255,255,255,.06);--border2:rgba(255,255,255,.1);
  --text:#e4e6eb;--muted:#6b7280;--dim:#9ca3af;
  --accent:#5b8af5;--accent2:#7c5bf5;--accent-bg:rgba(91,138,245,.12);
  --danger:#ef4444;--success:#22c55e;--warning:#f59e0b;
  --radius:14px;--shadow:0 4px 24px rgba(0,0,0,.4);
  --font:-apple-system,BlinkMacSystemFont,"SF Pro Display","PingFang SC","Segoe UI",Roboto,sans-serif;
  --mono:"SF Mono",Monaco,"JetBrains Mono",Consolas,monospace;
}
html{font-size:15px}
body{font-family:var(--font);background:var(--bg);color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased;overflow:hidden;height:100vh}
a{color:var(--accent);text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
input{font-family:inherit}
::-webkit-scrollbar{width:6px;height:6px}
::-webkit-scrollbar-thumb{background:rgba(255,255,255,.1);border-radius:3px}
::-webkit-scrollbar-thumb:hover{background:rgba(255,255,255,.2)}

/* ── Login ── */
.login{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:20px;position:relative;overflow:hidden}
.login::before{content:'';position:absolute;inset:0;background:
  radial-gradient(circle at 20% 30%,rgba(91,138,245,.12),transparent 50%),
  radial-gradient(circle at 80% 70%,rgba(124,91,245,.1),transparent 50%)}
.login-box{position:relative;width:400px;max-width:100%}
.login-card{background:var(--surface);border:1px solid var(--border);border-radius:20px;padding:40px 32px;box-shadow:var(--shadow)}
.login-logo{width:52px;height:52px;border-radius:14px;background:linear-gradient(135deg,var(--accent),var(--accent2));display:grid;place-items:center;margin:0 auto 16px;box-shadow:0 8px 24px rgba(91,138,245,.3)}
.login-logo svg{width:26px;height:26px;fill:#fff}
.login h1{text-align:center;font-size:1.25rem;font-weight:700;letter-spacing:-.02em;margin-bottom:4px}
.login-sub{text-align:center;color:var(--muted);font-size:.85rem;margin-bottom:28px}
.field{margin-bottom:14px}
.field label{display:block;font-size:.8rem;color:var(--dim);margin-bottom:6px;font-weight:500}
.field input{width:100%;padding:12px 14px;background:var(--bg2);border:1px solid var(--border);border-radius:10px;color:var(--text);font-size:.95rem;outline:none;transition:border-color .2s,box-shadow .2s}
.field input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-bg)}
.field input::placeholder{color:var(--muted)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 20px;border-radius:10px;font-size:.9rem;font-weight:600;transition:all .15s;border:1px solid transparent;white-space:nowrap}
.btn-primary{background:linear-gradient(135deg,var(--accent),var(--accent2));color:#fff;box-shadow:0 4px 12px rgba(91,138,245,.25)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 6px 20px rgba(91,138,245,.35)}
.btn-primary:active{transform:scale(.98)}
.btn-primary:disabled{opacity:.5;transform:none;cursor:not-allowed}
.btn-block{width:100%}
.btn-ghost{background:var(--bg2);border-color:var(--border2);color:var(--text)}
.btn-ghost:hover{background:var(--surface2);border-color:rgba(255,255,255,.15)}
.btn-danger{background:rgba(239,68,68,.12);color:var(--danger);border-color:rgba(239,68,68,.2)}
.btn-danger:hover{background:rgba(239,68,68,.2)}
.btn-sm{padding:7px 14px;font-size:.8rem;border-radius:8px}
.alert{padding:10px 14px;border-radius:10px;font-size:.82rem;margin-bottom:14px;display:none}
.alert.show{display:block;animation:shake .3s}
.alert-error{background:rgba(239,68,68,.1);border:1px solid rgba(239,68,68,.15);color:var(--danger)}
@keyframes shake{0%,100%{transform:translateX(0)}25%{transform:translateX(-4px)}75%{transform:translateX(4px)}}
.spinner{width:16px;height:16px;border:2px solid rgba(255,255,255,.25);border-top-color:#fff;border-radius:50%;animation:spin .5s linear infinite;display:none}
@keyframes spin{to{transform:rotate(360deg)}}
.btn.loading .btn-text{display:none}
.btn.loading .spinner{display:block}

/* ── App layout ── */
.app{display:flex;height:100vh;overflow:hidden}
.sidebar{width:230px;background:var(--surface);border-right:1px solid var(--border);display:flex;flex-direction:column;flex-shrink:0;transition:transform .25s ease}
.sidebar-head{padding:20px;display:flex;align-items:center;gap:10px;border-bottom:1px solid var(--border)}
.sidebar-logo{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,var(--accent),var(--accent2));display:grid;place-items:center;flex-shrink:0}
.sidebar-logo svg{width:18px;height:18px;fill:#fff}
.sidebar-title{font-size:.95rem;font-weight:700}
.sidebar-sub{font-size:.7rem;color:var(--muted)}
.nav{padding:10px 8px;flex:1;overflow-y:auto}
.nav-item{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:10px;color:var(--dim);font-size:.88rem;width:100%;transition:all .12s;margin-bottom:2px;text-align:left}
.nav-item:hover{background:var(--bg2);color:var(--text)}
.nav-item.active{background:var(--accent-bg);color:var(--accent);font-weight:600}
.nav-item svg{width:18px;height:18px;flex-shrink:0;stroke-width:1.8}
.sidebar-foot{padding:14px;border-top:1px solid var(--border)}
.user-row{display:flex;align-items:center;gap:10px;margin-bottom:10px}
.avatar{width:32px;height:32px;border-radius:50%;background:linear-gradient(135deg,var(--accent),var(--accent2));display:grid;place-items:center;font-size:.8rem;font-weight:700;color:#fff;flex-shrink:0}
.user-name{font-size:.85rem;font-weight:600}
.main{flex:1;overflow-y:auto;padding:28px 32px}
.page-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}
.page-title{font-size:1.35rem;font-weight:700;letter-spacing:-.02em}

/* ── Stats ── */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px;margin-bottom:24px}
.stat{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:18px 20px;transition:border-color .2s}
.stat:hover{border-color:var(--border2)}
.stat-label{font-size:.75rem;color:var(--muted);text-transform:uppercase;letter-spacing:.06em;margin-bottom:8px}
.stat-value{font-size:1.75rem;font-weight:700;letter-spacing:-.03em;line-height:1}
.stat-value.green{color:var(--success)}.stat-value.red{color:var(--danger)}.stat-value.blue{color:var(--accent)}.stat-value.yellow{color:var(--warning)}
.stat-hint{font-size:.75rem;color:var(--muted);margin-top:6px}

/* ── Cards ── */
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;margin-bottom:18px}
.card-head{padding:16px 20px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;gap:12px}
.card-head h3{font-size:.92rem;font-weight:600}
.card-body{padding:4px 0}

/* ── Table ── */
.tbl{width:100%;border-collapse:collapse}
.tbl th{text-align:left;padding:10px 20px;font-size:.72rem;color:var(--muted);font-weight:600;text-transform:uppercase;letter-spacing:.05em;border-bottom:1px solid var(--border);white-space:nowrap}
.tbl td{padding:11px 20px;font-size:.83rem;border-bottom:1px solid var(--border);vertical-align:middle}
.tbl tr:last-child td{border-bottom:none}
.tbl tr:hover td{background:rgba(255,255,255,.015)}
.mono{font-family:var(--mono);font-size:.78rem}
.badge{display:inline-flex;align-items:center;gap:4px;padding:3px 9px;border-radius:20px;font-size:.72rem;font-weight:600;line-height:1.4}
.badge-ok{background:rgba(34,197,94,.12);color:var(--success)}
.badge-fail{background:rgba(239,68,68,.12);color:var(--danger)}
.badge-current{background:var(--accent-bg);color:var(--accent)}
.badge-warn{background:rgba(245,158,11,.12);color:var(--warning)}
.text-muted{color:var(--muted)}.text-danger{color:var(--danger)}.text-success{color:var(--success)}.text-dim{color:var(--dim)}
.flex{display:flex;align-items:center;gap:8px}
.flex-between{display:flex;align-items:center;justify-content:space-between}
.gap-8{gap:8px}.mt-16{margin-top:16px}.mb-16{margin-bottom:16px}
.empty{padding:40px 20px;text-align:center;color:var(--muted);font-size:.85rem}

/* ── TOTP ── */
.totp-box{text-align:center;padding:8px 0}
.qr-wrap{display:inline-block;padding:14px;background:#fff;border-radius:12px;margin:12px 0}
.qr-wrap canvas{display:block;border-radius:4px}
.secret-box{font-family:var(--mono);font-size:.85rem;background:var(--bg2);padding:10px 16px;border-radius:8px;letter-spacing:1.5px;word-break:break-all;margin:12px auto;max-width:280px;cursor:pointer;border:1px solid var(--border);transition:border-color .2s}
.secret-box:hover{border-color:var(--accent)}
.totp-input{text-align:center;letter-spacing:6px;font-size:1.2rem;font-family:var(--mono);width:180px !important;margin:0 auto}

/* ── Settings sections ── */
.setting-row{padding:18px 20px;border-bottom:1px solid var(--border)}
.setting-row:last-child{border-bottom:none}
.setting-label{font-size:.9rem;font-weight:600;margin-bottom:4px}
.setting-desc{font-size:.78rem;color:var(--muted);margin-bottom:12px}

/* ── Toast ── */
.toast-wrap{position:fixed;bottom:24px;right:24px;z-index:999;display:flex;flex-direction:column;gap:8px}
.toast{background:var(--surface2);border:1px solid var(--border2);border-radius:10px;padding:12px 18px;font-size:.84rem;box-shadow:var(--shadow);transform:translateX(120%);opacity:0;transition:all .3s cubic-bezier(.16,1,.3,1);max-width:320px}
.toast.show{transform:translateX(0);opacity:1}
.toast.success{border-color:rgba(34,197,94,.3)}
.toast.error{border-color:rgba(239,68,68,.3)}

/* ── Mobile menu button ── */
.menu-toggle{display:none;width:38px;height:38px;border-radius:10px;background:var(--surface);border:1px solid var(--border);align-items:center;justify-content:center;position:fixed;top:14px;left:14px;z-index:100}
.menu-toggle svg{width:20px;height:20px;stroke:var(--text);stroke-width:2}
.backdrop{display:none;position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:40}

/* ── Responsive ── */
@media(max-width:768px){
  html{font-size:14px}
  body{overflow:auto;height:auto}
  .app{flex-direction:column;height:auto;min-height:100vh}
  .menu-toggle{display:flex}
  .sidebar{position:fixed;top:0;left:0;bottom:0;width:260px;z-index:50;transform:translateX(-100%);box-shadow:4px 0 32px rgba(0,0,0,.5)}
  .sidebar.open{transform:translateX(0)}
  .backdrop.show{display:block}
  .main{padding:64px 16px 24px;overflow-y:visible}
  .page-head{flex-direction:column;align-items:flex-start;gap:12px}
  .stats{grid-template-columns:1fr 1fr;gap:10px}
  .stat{padding:14px}
  .stat-value{font-size:1.4rem}
  .card-head{padding:14px 16px;flex-wrap:wrap}
  .tbl th,.tbl td{padding:10px 12px}
  .tbl th:nth-child(n+4),.tbl td:nth-child(n+4){display:none}
  .tbl th:nth-child(3),.tbl td:nth-child(3){max-width:100px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
  .hide-sm{display:none!important}
  .toast-wrap{left:16px;right:16px;bottom:16px}
  .toast{max-width:none}
  .login-card{padding:28px 20px}
  .setting-row{padding:14px 16px}
}
.sidebar-foot .btn-sm svg{width:16px;height:16px}
.sidebar-foot .btn-sm{display:flex;align-items:center;justify-content:center;gap:6px}