/* QuymnyDB — Triage-inspired dark theme */
:root{
  --bg:linear-gradient(105deg,#07090a, #0a0909, #030202, #07090a);
  --bg-2:linear-gradient(135deg,#07090a, #141111, #080606);
  --panel:linear-gradient(135deg,#07090a, #141111, #080606);
  --border:rgba(255,255,255,0.08);
  --border-strong:rgba(255,255,255,0.14);
  --text:#e8e8ea;
  --muted:#8a8a92;
  --muted-2:#5f5f66;
  --accent:#3182ce;
  --accent-2:#06b6d4;
  --brand:#6c63ff;
  --brand-2:#06b6d4;
  --danger:#ff5c7a;
  --warn:#ffb454;
  --ok:#4ade80;
  --input-bg:#0f0f11;
  --radius:6px;
  --sidebar-w:260px;
  --sidebar-w-collapsed:56px;
  --subnav-h:44px;
}

*,*::before,*::after{box-sizing:border-box}
html,body{margin:0;padding:0;min-height:100%;background:var(--bg)}
body{
  color:var(--text);
  background:var(--panel);
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Arial;
  font-size:14px;
  -webkit-font-smoothing:antialiased;
  line-height:1.5;
}
a{color:inherit;text-decoration:none}
button{font-family:inherit;color:inherit}
.muted{color:var(--muted);font-size:13px}

/* Topbar */
.topbar{
  display:flex;align-items:center;justify-content:space-between;
  height:56px;padding:0 24px;
  border-bottom:1px solid var(--border);
  background:var(--bg);
  position:sticky;top:0;z-index:20;
}
.brand{display:flex;align-items:center;gap:10px;font-weight:700}
.logo-mark{
  display:inline-flex;flex-direction:column;gap:2px;
}
.logo-mark span{
  display:block;width:16px;height:2px;background:var(--accent);
}
.logo-mark span:nth-child(2){width:12px}
.logo-mark span:nth-child(3){width:16px}
.brand-name{
  letter-spacing:0.22em;text-transform:uppercase;font-size:12px;font-weight:700;
}
.top-nav{display:flex;gap:6px;align-items:center}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  padding:8px 16px;border-radius:var(--radius);
  font-size:13px;font-weight:500;
  border:1px solid transparent;cursor:pointer;
  transition:background .15s ease,border-color .15s ease,color .15s ease,transform .1s ease;
  background:transparent;
}
.btn-ghost{color:var(--muted)}
.btn-ghost:hover{color:var(--text)}
.btn-outline{border-color:var(--border-strong);color:var(--text)}
.btn-outline:hover{background:rgba(255,255,255,0.04);border-color:var(--accent)}
.btn-primary{background:var(--accent);color:#fff;font-weight:600}
.btn-primary:hover{background:#2a6db0}
.btn-block{width:100%}

/* Sub-navbar */
.subnav{
  position:sticky;top:56px;z-index:19;
  height:var(--subnav-h);
  border-bottom:1px solid var(--border);
  background:var(--bg-2);
  overflow-x:auto;
  scrollbar-width:none;
}
.subnav::-webkit-scrollbar{display:none}
.subnav-inner{
  display:flex;align-items:center;gap:0;
  padding:0 24px;height:100%;
  max-width:1200px;margin:0 auto;
}
.subnav-link{
  display:inline-flex;align-items:center;gap:6px;
  padding:0 14px;height:100%;
  font-size:13px;color:var(--muted);
  white-space:nowrap;cursor:pointer;
  border-bottom:2px solid transparent;
  transition:color .15s ease,border-color .15s ease;
}
.subnav-link i{font-size:12px}
.subnav-link:hover{color:var(--text)}
.subnav-link.active{
  color:var(--accent);
  border-bottom-color:var(--accent);
}

/* Layout */
.layout{
  display:grid;
  grid-template-columns:var(--sidebar-w) 1fr;
  min-height:calc(100vh - 56px - var(--subnav-h));
  transition:grid-template-columns .25s ease;
}
.layout.collapsed{grid-template-columns:var(--sidebar-w-collapsed) 1fr}

/* Sidebar */
.sidebar{
  border-right:1px solid var(--border);
  background:var(--panel);
  padding:20px 12px;
  display:flex;flex-direction:column;gap:14px;
  position:sticky;top:calc(56px + var(--subnav-h));
  height:calc(100vh - 56px - var(--subnav-h));
  overflow:hidden;
}
.sidebar-top{
  display:flex;align-items:center;justify-content:space-between;
  padding:0 6px 12px;border-bottom:1px solid var(--border);
}
.sidebar-title{
  font-size:10px;letter-spacing:.18em;text-transform:uppercase;
  color:var(--muted-2);font-weight:600;
}
.icon-btn{
  width:26px;height:26px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--border);border-radius:5px;background:transparent;cursor:pointer;
  color:var(--muted);
}
.icon-btn:hover{color:var(--text);border-color:var(--border-strong)}
.icon-btn svg{width:14px;height:14px}

.sidebar-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px}
.side-link{
  width:100%;text-align:left;background:transparent;border:0;
  color:var(--muted);
  padding:8px 10px;border-radius:5px;font-size:13px;cursor:pointer;
  display:flex;align-items:center;gap:10px;
  transition:background .12s ease,color .12s ease;
  white-space:nowrap;overflow:hidden;
}
.side-link:hover{background:rgba(255,255,255,0.04);color:var(--text)}
.side-link.active{
  background:rgba(49,130,206,0.1);
  color:var(--accent);
  box-shadow:inset 2px 0 0 var(--accent);
}
.side-icon{
  font-size:14px;width:20px;text-align:center;
  opacity:0.6;
}
.side-link.active .side-icon{opacity:1}
.side-num{
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
  font-size:11px;color:var(--muted-2);min-width:22px;
}
.side-link.active .side-num{color:var(--accent)}
.side-label{flex:1;overflow:hidden;text-overflow:ellipsis}

/* Collapsed state */
.layout.collapsed .sidebar-title,
.layout.collapsed .side-label,
.layout.collapsed .side-num{display:none}
.layout.collapsed .sidebar{padding:20px 6px}
.layout.collapsed .side-link{justify-content:center;padding:10px 6px}
.layout.collapsed .side-icon{font-size:16px;opacity:1}
.layout.collapsed .sidebar-top{justify-content:center;border-bottom:1px solid var(--border);padding-bottom:12px}

/* Content */
.content{
  padding:48px 64px;
  max-width:900px;
  width:100%;
}
.post.hidden{display:none}
.tag{
  display:inline-block;font-size:10px;text-transform:uppercase;letter-spacing:.18em;
  color:var(--accent);padding:4px 8px;border:1px solid rgba(49,130,206,0.3);border-radius:3px;
  font-weight:600;
}
.post h1{
  font-size:40px;line-height:1.1;letter-spacing:-.02em;
  margin:20px 0 12px;font-weight:600;
}
.post h3{font-size:14px;color:var(--muted);margin-top:28px;text-transform:uppercase;letter-spacing:.1em;font-weight:600}
.lead{color:var(--muted);font-size:16px;line-height:1.65;margin:8px 0 24px;max-width:640px}
.post p{line-height:1.7;color:#c8c8cc;max-width:680px}
.post code{
  background:var(--input-bg);padding:2px 6px;border-radius:3px;
  border:1px solid var(--border);
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12.5px;color:#e0e0e4;
}
.post pre{
  background:var(--input-bg);
  border:1px solid var(--border);
  border-radius:var(--radius);padding:18px 20px;overflow:auto;margin:16px 0;
}
.post pre code{background:transparent;padding:0;border:0;font-size:12.5px;line-height:1.7;color:#dcdce0}
.help-list{padding-left:0;list-style:none;line-height:2;color:#c8c8cc}
.help-list li{display:flex;align-items:center;gap:10px}
.help-list i{color:var(--accent);width:20px}
.help-list a{color:var(--text);border-bottom:1px solid var(--border-strong)}

/* Footer */
.footer{
  border-top:1px solid var(--border);
  background:var(--bg);
  padding:0;
}
.footer-inner{
  display:flex;justify-content:space-between;align-items:center;
  padding:24px 48px;
  max-width:1200px;margin:0 auto;
  flex-wrap:wrap;gap:16px;
}
.footer-brand{
  display:flex;align-items:center;gap:10px;font-weight:700;
}
.footer-brand .brand-name{font-size:12px}
.footer-links{
  display:flex;gap:20px;flex-wrap:wrap;
}
.footer-links a{
  font-size:13px;color:var(--muted);
  transition:color .15s ease;
}
.footer-links a:hover{color:var(--text)}
.footer-socials{
  display:flex;gap:12px;
}
.footer-socials a{
  width:34px;height:34px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--border);border-radius:6px;color:var(--muted);
  font-size:15px;transition:color .15s ease,border-color .15s ease;
}
.footer-socials a:hover{color:var(--accent);border-color:var(--accent)}
.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;
  padding:12px 48px;border-top:1px solid var(--border);
  max-width:1200px;margin:0 auto;
  color:var(--muted-2);font-size:12px;flex-wrap:wrap;gap:8px;
}

/* Auth pages */
.auth-wrap{
  min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;
  background:var(--bg);
}
.auth-card{
  width:100%;max-width:400px;
  background:var(--panel);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:36px 32px;
}
.auth-card .brand{margin-bottom:22px}
.auth-card h1{font-size:24px;margin:0 0 6px;font-weight:600;letter-spacing:-.01em}
.auth-card .muted{margin:0 0 24px}

.field{display:flex;flex-direction:column;gap:6px;margin-bottom:14px}
.field label{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.12em;font-weight:600}
.field input{
  background:var(--input-bg);
  border:1px solid var(--border);
  border-radius:var(--radius);padding:10px 12px;color:var(--text);
  font-size:13px;outline:none;transition:border-color .15s ease;
}
.field input:focus{border-color:var(--border-strong)}

.auth-footer{text-align:center;margin-top:20px;font-size:12.5px;color:var(--muted)}
.auth-footer a{color:var(--text);border-bottom:1px solid var(--border-strong)}

/* Button spinner animation */
.btn-spinner{
  display:inline-block;
  width:14px;height:14px;
  border:2px solid rgba(255,255,255,0.25);
  border-top-color:#fff;
  border-radius:50%;
  animation:btn-spin .6s linear infinite;
  vertical-align:middle;
}
@keyframes btn-spin{to{transform:rotate(360deg)}}
.btn.loading{position:relative;pointer-events:none;opacity:0.85}
.btn.loading .btn-text{visibility:hidden}
.btn.loading .btn-spinner{
  position:absolute;
  left:50%;top:50%;
  margin-left:-7px;margin-top:-7px;
}

@media (max-width: 820px){
  .layout{grid-template-columns:var(--sidebar-w-collapsed) 1fr}
  .layout .sidebar-title,.layout .side-label,.layout .side-num{display:none}
  .layout .sidebar{padding:20px 6px}
  .layout .side-link{justify-content:center;padding:8px 6px}
  .layout .side-icon{font-size:16px;opacity:1}
  .content{padding:32px 24px}
  .post h1{font-size:30px}
  .topbar{padding:0 16px}
  .subnav-inner{padding:0 12px}
  .footer-inner{padding:16px 24px;flex-direction:column;text-align:center}
  .footer-bottom{padding:12px 24px;flex-direction:column;text-align:center}
}