:root{
  --bg:#0b1120; --bg-2:#0f172a; --panel:#131c30; --panel-raised:#18233b;
  --edge:#243349; --edge-bright:#31465f;
  --ink:#e2e9f3; --muted:#8397b4; --faint:#5a6d88;
  --cyan:#38bdf8; --cyan-deep:#0ea5e9; --indigo:#6366f1; --teal:#2dd4bf;
  --steel:#475569; --danger:#f43f5e; --danger-dim:#4a1d2b; --ok:#34d399;
  --mono:'SF Mono',ui-monospace,'JetBrains Mono','Cascadia Code','Fira Code',Menlo,Consolas,monospace;
  --sans:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
  --shadow:0 12px 40px -12px rgba(0,0,0,.7);
  --glow:0 0 0 1px rgba(56,189,248,.25),0 0 24px -6px rgba(56,189,248,.35);
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{
  background:
    radial-gradient(1200px 600px at 85% -10%,rgba(99,102,241,.10),transparent 60%),
    radial-gradient(900px 500px at 5% 110%,rgba(56,189,248,.08),transparent 55%),
    var(--bg);
  color:var(--ink);font-family:var(--sans);font-size:14px;line-height:1.55;
  -webkit-font-smoothing:antialiased;
}
::selection{background:rgba(56,189,248,.3);color:#fff}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
input,textarea,select{font-family:inherit;font-size:14px}
a{color:var(--cyan);text-decoration:none}
code,pre{font-family:var(--mono)}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:var(--bg-2)}
::-webkit-scrollbar-thumb{background:var(--edge-bright);border-radius:6px;border:2px solid var(--bg-2)}
::-webkit-scrollbar-thumb:hover{background:var(--steel)}

/* ---- Buttons ---- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 18px;border-radius:9px;font-weight:600;font-size:13px;background:var(--panel-raised);border:1px solid var(--edge-bright);color:var(--ink);transition:.15s;white-space:nowrap;cursor:pointer}
.btn:hover{border-color:var(--steel);background:#1e2b45}
.btn:active{transform:translateY(1px)}
.btn-primary{background:linear-gradient(135deg,var(--cyan-deep),var(--indigo));border:none;color:#fff;box-shadow:0 6px 18px -6px rgba(56,189,248,.5)}
.btn-primary:hover{filter:brightness(1.08)}
.btn-ghost{background:transparent;border-color:var(--edge)}
.btn-danger{background:transparent;border:1px solid var(--danger-dim);color:var(--danger)}
.btn-danger:hover{background:var(--danger-dim);border-color:var(--danger)}
.btn-block{width:100%}
.btn-sm{padding:7px 12px;font-size:12px;border-radius:7px}
.btn-icon{padding:8px;border-radius:7px;display:inline-flex;align-items:center;justify-content:center}

/* ---- Auth ---- */
.auth-wrap{min-height:100vh;display:grid;place-items:center;padding:24px}
.auth-card{width:100%;max-width:400px;background:var(--panel);border:1px solid var(--edge);border-radius:16px;padding:36px 32px;box-shadow:var(--shadow);position:relative;overflow:hidden}
.auth-card::before{content:"";position:absolute;inset:0;height:2px;background:linear-gradient(90deg,transparent,var(--cyan),var(--indigo),transparent)}
.brand{display:flex;align-items:center;gap:12px;margin-bottom:6px}
.brand-mark{width:38px;height:38px;border-radius:10px;flex:none;background:linear-gradient(135deg,var(--cyan-deep),var(--indigo));display:grid;place-items:center;box-shadow:var(--glow)}
.brand-mark svg{width:22px;height:22px}
.brand-name{font-size:19px;font-weight:700;letter-spacing:-.02em}
.brand-sub{font-size:11px;color:var(--faint);letter-spacing:.18em;text-transform:uppercase;margin-top:2px}
.auth-title{font-size:13px;color:var(--muted);margin:22px 0 18px}
.auth-err{background:var(--danger-dim);border:1px solid var(--danger);color:#ffd5dd;padding:10px 12px;border-radius:8px;font-size:12.5px;margin-bottom:14px}
.auth-foot{margin-top:16px;font-size:11.5px;color:var(--faint);text-align:center;line-height:1.6}

/* ---- Fields ---- */
.field{margin-bottom:14px}
.field label{display:block;font-size:11px;text-transform:uppercase;letter-spacing:.1em;color:var(--faint);margin-bottom:6px;font-weight:600}
.field label .soft{color:var(--faint);text-transform:none;letter-spacing:0;font-weight:400}
.field input,.field textarea,.field select{width:100%;background:var(--bg-2);border:1px solid var(--edge);border-radius:9px;padding:11px 13px;color:var(--ink);transition:.15s}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(56,189,248,.14)}
.field textarea{resize:vertical;min-height:80px}
.field textarea.code-input{font-family:var(--mono);font-size:12.5px;min-height:150px;line-height:1.55;white-space:pre;tab-size:2}
.hint{font-size:11px;color:var(--faint);margin-top:5px}
.row{display:grid;grid-template-columns:1fr 1fr;gap:14px}

/* ---- App shell ---- */
.app{display:grid;min-height:100vh;grid-template-columns:248px 1fr}
.sidebar{background:var(--bg-2);border-right:1px solid var(--edge);padding:20px 16px;display:flex;flex-direction:column;gap:4px;position:sticky;top:0;height:100vh;overflow-y:auto}
.side-brand{display:flex;align-items:center;gap:10px;padding:4px 6px 18px;border-bottom:1px solid var(--edge);margin-bottom:14px}
.side-brand .brand-mark{width:32px;height:32px}
.side-brand .brand-mark svg{width:18px;height:18px}
.side-brand .brand-name{font-size:16px}
.nav-label{font-size:10px;text-transform:uppercase;letter-spacing:.14em;color:var(--faint);padding:12px 8px 6px;font-weight:700}
.nav-item{display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:8px;color:var(--muted);font-size:13px;font-weight:500;transition:.13s;text-align:left;width:100%}
.nav-item svg{width:16px;height:16px;flex:none;opacity:.85}
.nav-item:hover{background:var(--panel);color:var(--ink)}
.nav-item.active{background:linear-gradient(135deg,rgba(56,189,248,.16),rgba(99,102,241,.14));color:var(--ink);box-shadow:inset 0 0 0 1px rgba(56,189,248,.25)}
.nav-item .count{margin-left:auto;font-size:11px;color:var(--faint);background:var(--panel);padding:1px 7px;border-radius:20px;font-family:var(--mono)}
.nav-cats{display:flex;flex-direction:column;gap:2px}
.nav-empty{font-size:12px;color:var(--faint);padding:6px 8px}
.side-foot{margin-top:auto;padding-top:14px;border-top:1px solid var(--edge)}
.whoami{display:flex;align-items:center;gap:10px;padding:6px}
.avatar{width:30px;height:30px;border-radius:8px;background:linear-gradient(135deg,var(--indigo),var(--teal));display:grid;place-items:center;font-weight:700;font-size:12px;color:#fff;flex:none}
.whoami-name{font-size:12.5px;font-weight:600}
.whoami-role{font-size:10.5px;color:var(--faint);text-transform:uppercase;letter-spacing:.08em}

/* ---- Main ---- */
.main{min-width:0;display:flex;flex-direction:column}
.topbar{position:sticky;top:0;z-index:20;background:rgba(11,17,32,.82);backdrop-filter:blur(12px);border-bottom:1px solid var(--edge);padding:14px 26px;display:flex;align-items:center;gap:16px}
.search-box{position:relative;flex:1;max-width:560px;margin:0}
.search-box svg{position:absolute;left:12px;top:50%;transform:translateY(-50%);width:16px;height:16px;color:var(--faint)}
.search-box input{width:100%;background:var(--bg-2);border:1px solid var(--edge);border-radius:10px;padding:10px 12px 10px 38px;color:var(--ink)}
.search-box input:focus{outline:none;border-color:var(--cyan);box-shadow:0 0 0 3px rgba(56,189,248,.12)}
.search-box kbd{position:absolute;right:10px;top:50%;transform:translateY(-50%);font-size:10px;font-family:var(--mono);color:var(--faint);border:1px solid var(--edge);border-radius:5px;padding:2px 6px;background:var(--panel)}
.content{padding:26px;flex:1;overflow-y:auto}
.page-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:22px;flex-wrap:wrap}
.page-title{font-size:22px;font-weight:700;letter-spacing:-.02em}
.page-desc{font-size:13px;color:var(--muted);margin-top:3px}
.flash{background:rgba(52,211,153,.1);border:1px solid rgba(52,211,153,.35);color:#a7f3d0;padding:11px 15px;border-radius:9px;margin-bottom:18px;font-size:13px}

/* ---- Cards ---- */
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:16px;align-items:start}
.card{background:var(--panel);border:1px solid var(--edge);border-radius:13px;overflow:hidden;transition:.16s;display:flex;flex-direction:column}
.card:hover{border-color:var(--edge-bright);transform:translateY(-2px);box-shadow:var(--shadow)}
.card-top{padding:15px 16px 12px;border-bottom:1px solid var(--edge)}
.card-title-row{display:flex;align-items:flex-start;gap:10px;justify-content:space-between}
.card-title{font-size:15px;font-weight:650;letter-spacing:-.01em;line-height:1.35}
.card-desc{font-size:12.5px;color:var(--muted);margin-top:6px;line-height:1.5}
.card-actions{display:flex;gap:4px;flex:none}

/* ---- Code block (the fix) ---- */
.code-block{position:relative;background:#0a0f1c;border-top:1px solid var(--edge);border-bottom:1px solid var(--edge)}
.code-block .code-head{display:flex;align-items:center;justify-content:space-between;padding:7px 12px;border-bottom:1px solid rgba(255,255,255,.04);background:rgba(255,255,255,.015)}
.code-block .lang-tag{font-size:9.5px;font-family:var(--mono);color:var(--faint);text-transform:uppercase;letter-spacing:.12em}
.code-block pre{margin:0;overflow-x:auto;max-height:260px}
/* No leading/trailing whitespace: code sits flush, so double-click select
   never grabs a stray newline. padding lives on <code>, not the text nodes. */
.code-block pre code.hljs{display:block;padding:13px 15px;font-size:12.5px;line-height:1.6;background:transparent;white-space:pre;tab-size:2}
.copy-btn{background:transparent;border:1px solid var(--edge);border-radius:6px;padding:4px 9px;font-size:11px;color:var(--muted);display:inline-flex;align-items:center;gap:6px;transition:.13s}
.copy-btn:hover{border-color:var(--cyan);color:var(--cyan)}
.copy-btn.done{color:var(--ok);border-color:var(--ok)}
.copy-btn svg{width:13px;height:13px}

.card-foot{padding:11px 16px;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.chip{font-size:10.5px;font-weight:600;padding:3px 9px;border-radius:20px;font-family:var(--mono);letter-spacing:.02em;white-space:nowrap;text-decoration:none}
.chip-os{background:rgba(56,189,248,.13);color:#7dd3fc;border:1px solid rgba(56,189,248,.28)}
.chip-app{background:rgba(99,102,241,.14);color:#a5b4fc;border:1px solid rgba(99,102,241,.3)}
.chip-other{background:rgba(148,163,184,.12);color:#cbd5e1;border:1px solid rgba(148,163,184,.25)}
.card-meta{margin-left:auto;font-size:11px;color:var(--faint)}
.card-note{padding:11px 16px;border-top:1px dashed var(--edge);font-size:12px;color:var(--muted);background:rgba(99,102,241,.04);line-height:1.55;white-space:pre-wrap}
.card-note .note-label{font-size:9.5px;text-transform:uppercase;letter-spacing:.12em;color:var(--faint);font-weight:700;display:block;margin-bottom:3px}

/* ---- Empty ---- */
.empty{text-align:center;padding:70px 20px;color:var(--faint)}
.empty svg{width:46px;height:46px;opacity:.4;margin-bottom:14px}
.empty h3{font-size:16px;color:var(--muted);font-weight:600;margin-bottom:6px}
.empty p{font-size:13px;max-width:340px;margin:0 auto}

/* ---- Recent ---- */
.recent-list{display:flex;flex-direction:column;gap:10px}
.recent-row{display:flex;align-items:center;gap:14px;background:var(--panel);border:1px solid var(--edge);border-radius:11px;padding:13px 16px;transition:.13s}
.recent-row:hover{border-color:var(--edge-bright);background:#16213a}
.recent-idx{font-family:var(--mono);font-size:12px;color:var(--faint);width:26px;flex:none}
.recent-main{min-width:0;flex:1}
.recent-title{font-size:14px;font-weight:600;color:var(--ink)}
.recent-sub{font-size:11.5px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;margin-top:2px}
.recent-time{font-size:11px;color:var(--faint);white-space:nowrap;flex:none}

/* ---- Stats + tables ---- */
.stat-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:14px;margin-bottom:24px}
.stat{background:var(--panel);border:1px solid var(--edge);border-radius:12px;padding:16px 18px}
.stat-num{font-size:26px;font-weight:750;letter-spacing:-.02em;font-family:var(--mono);background:linear-gradient(135deg,var(--cyan),var(--indigo));-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
.stat-label{font-size:11px;text-transform:uppercase;letter-spacing:.1em;color:var(--faint);font-weight:600;margin-top:4px}
.table-wrap{background:var(--panel);border:1px solid var(--edge);border-radius:13px;overflow:hidden}
table{width:100%;border-collapse:collapse}
th{text-align:left;font-size:10.5px;text-transform:uppercase;letter-spacing:.1em;color:var(--faint);font-weight:700;padding:13px 18px;border-bottom:1px solid var(--edge);background:var(--bg-2)}
td{padding:13px 18px;border-bottom:1px solid var(--edge);font-size:13px;vertical-align:middle}
tr:last-child td{border-bottom:none}
tr:hover td{background:rgba(56,189,248,.03)}
.role-badge{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;padding:2px 9px;border-radius:20px;font-family:var(--mono)}
.role-admin{background:rgba(45,212,191,.14);color:#5eead4;border:1px solid rgba(45,212,191,.3)}
.role-user{background:rgba(148,163,184,.12);color:#cbd5e1;border:1px solid rgba(148,163,184,.22)}

/* ---- Tag picker ---- */
.tag-picker{display:flex;flex-wrap:wrap;gap:7px;margin-top:4px}
.tag-opt{font-size:11px;font-weight:600;font-family:var(--mono);padding:5px 11px;border-radius:20px;border:1px solid var(--edge);color:var(--muted);background:var(--bg-2);transition:.12s;user-select:none;cursor:pointer}
.tag-opt:hover{border-color:var(--edge-bright);color:var(--ink)}
.tag-opt input{display:none}
.tag-opt.sel{background:rgba(56,189,248,.15);border-color:var(--cyan);color:#bae6fd}

/* ---- Editor as a page ---- */
.editor-card{max-width:840px;background:var(--panel);border:1px solid var(--edge);border-radius:14px;overflow:hidden}
.editor-body{padding:24px}
.editor-foot{padding:16px 24px;border-top:1px solid var(--edge);display:flex;gap:10px;justify-content:flex-end;background:var(--bg-2)}

/* ---- Toast ---- */
.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%) translateY(80px);background:var(--panel-raised);border:1px solid var(--edge-bright);border-radius:10px;padding:12px 18px;font-size:13px;box-shadow:var(--shadow);z-index:200;transition:.25s;display:flex;align-items:center;gap:9px;opacity:0}
.toast.show{transform:translateX(-50%) translateY(0);opacity:1}
.toast svg{width:16px;height:16px;color:var(--ok)}

.menu-toggle{display:none;padding:8px;border-radius:8px;border:1px solid var(--edge)}
@media(max-width:820px){
  .app{grid-template-columns:1fr}
  .sidebar{position:fixed;z-index:50;transform:translateX(-100%);transition:.2s;width:248px}
  .sidebar.open{transform:none}
  .row{grid-template-columns:1fr}
  .menu-toggle{display:inline-flex}
}