/* Tema: claro (padrao) + escuro. O escuro entra por [data-theme="dark"]
   (botao) ou por prefers-color-scheme quando o usuario nao escolheu. */
:root{
  --content:#f5f6f9; --card:#ffffff; --line:#e5e8ee;
  --ink:#1c2230; --muted:#6b7385;
  --top:#ffffff; --sidebar:#151922; --sidebar-ink:#aab1c2; --sidebar-hover:#1f2530;
  --brand:#3b82f6; --brand-ink:#1d4ed8;
  --chip:#eef2ff; --chip-ink:#1d4ed8; --chip-g:#f1f5f9; --chip-g-ink:#475569;
  --thead:#fafbfc; --row-hover:#fafbff; --input:#ffffff;
  --mono-bg:#fafbfc; --flash-bg:#eff6ff; --flash-line:#bfdbfe; --flash-ink:#1e40af;
  --ok-bg:#dcfce7; --ok-ink:#166534; --off-bg:#fee2e2; --off-ink:#991b1b;
  --alert-bg:#fffbeb; --alert-line:#fde68a; --alert-ink:#92400e;
}
:root[data-theme="dark"]{
  --content:#0f1115; --card:#171b22; --line:#262c37;
  --ink:#e6e9ef; --muted:#8b93a3;
  --top:#131720; --sidebar:#0c0e13; --sidebar-ink:#9aa2b3; --sidebar-hover:#1a1f29;
  --brand:#3b82f6; --brand-ink:#60a5fa;
  --chip:#1e293b; --chip-ink:#93c5fd; --chip-g:#1e242e; --chip-g-ink:#94a3b8;
  --thead:#1b212b; --row-hover:#1b212b; --input:#0f141b;
  --mono-bg:#0f141b; --flash-bg:#12233d; --flash-line:#1e3a8a; --flash-ink:#bfdbfe;
  --ok-bg:#14311f; --ok-ink:#86efac; --off-bg:#3b1414; --off-ink:#fca5a5;
  --alert-bg:#2b2410; --alert-line:#854d0e; --alert-ink:#fcd34d;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --content:#0f1115; --card:#171b22; --line:#262c37;
    --ink:#e6e9ef; --muted:#8b93a3;
    --top:#131720; --sidebar:#0c0e13; --sidebar-ink:#9aa2b3; --sidebar-hover:#1a1f29;
    --brand:#3b82f6; --brand-ink:#60a5fa;
    --chip:#1e293b; --chip-ink:#93c5fd; --chip-g:#1e242e; --chip-g-ink:#94a3b8;
    --thead:#1b212b; --row-hover:#1b212b; --input:#0f141b;
    --mono-bg:#0f141b; --flash-bg:#12233d; --flash-line:#1e3a8a; --flash-ink:#bfdbfe;
    --ok-bg:#14311f; --ok-ink:#86efac; --off-bg:#3b1414; --off-ink:#fca5a5;
    --alert-bg:#2b2410; --alert-line:#854d0e; --alert-ink:#fcd34d;
  }
}
*{box-sizing:border-box}
body{margin:0;font-family:"Segoe UI",system-ui,-apple-system,sans-serif;
  color:var(--ink);background:var(--content)}
a{color:var(--brand-ink);text-decoration:none}
.layout{display:flex;min-height:100vh}

.side{width:236px;background:var(--sidebar);flex-shrink:0;display:flex;
  flex-direction:column;position:sticky;top:0;height:100vh}
.side .brand{padding:20px 20px 12px;font-weight:700;color:#fff;font-size:17px}
.side .brand small{display:block;color:#7b8397;font-weight:400;font-size:11px;
  margin-top:2px}
.side nav{padding:8px 10px;display:flex;flex-direction:column;gap:2px}
.side nav a{color:var(--sidebar-ink);padding:10px 12px;border-radius:8px;
  font-size:14px;display:flex;align-items:center;gap:10px}
.side nav a:hover{background:var(--sidebar-hover);color:#fff}
.side nav a.on{background:var(--brand);color:#fff}
.side nav a .ic{width:18px;text-align:center;opacity:.9}
.side .foot{margin-top:auto;padding:14px 16px;border-top:1px solid #232a36;
  font-size:12px}

.main{flex:1;min-width:0}
.top{background:var(--top);border-bottom:1px solid var(--line);padding:16px 28px;
  display:flex;align-items:center;justify-content:space-between}
.top h1{font-size:19px;margin:0}
.top .right{display:flex;align-items:center;gap:14px}
.top .who{font-size:13px;color:var(--muted)}
.themebtn{background:transparent;border:1px solid var(--line);color:var(--ink);
  width:36px;height:32px;border-radius:8px;cursor:pointer;font-size:15px}
.themebtn:hover{background:var(--row-hover)}
.wrap{padding:24px 28px;max-width:1200px}

.grid{display:grid;gap:16px}
.g4{grid-template-columns:repeat(4,1fr)}
.g2{grid-template-columns:repeat(2,1fr)}
@media(max-width:900px){.g4,.g2{grid-template-columns:1fr 1fr}}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;
  padding:18px}
.card h2{font-size:13px;text-transform:uppercase;letter-spacing:.5px;
  color:var(--muted);margin:0 0 10px}
.stat{font-size:30px;font-weight:700}
.sub{color:var(--muted);font-size:13px;margin-top:4px}

.chip{display:inline-block;padding:3px 10px;border-radius:999px;font-size:12px;
  font-weight:600;background:var(--chip);color:var(--chip-ink)}
.chip.on{background:var(--ok-bg);color:var(--ok-ink)}
.chip.off{background:var(--off-bg);color:var(--off-ink)}
.chip.g{background:var(--chip-g);color:var(--chip-g-ink)}

table{width:100%;border-collapse:collapse;font-size:14px;background:var(--card);
  border:1px solid var(--line);border-radius:12px;overflow:hidden}
th,td{text-align:left;padding:11px 14px;border-bottom:1px solid var(--line)}
th{background:var(--thead);color:var(--muted);font-size:12px;
  text-transform:uppercase;letter-spacing:.4px}
tr:last-child td{border-bottom:none}
tr:hover td{background:var(--row-hover)}
.num{text-align:right;font-variant-numeric:tabular-nums}

label{display:block;font-size:13px;color:var(--muted);margin:12px 0 5px}
input,select,textarea{width:100%;padding:9px 11px;border:1px solid var(--line);
  border-radius:8px;font-size:14px;font-family:inherit;background:var(--input);
  color:var(--ink)}
textarea{min-height:90px;resize:vertical}
.btn{display:inline-block;background:var(--brand);color:#fff;border:none;
  padding:9px 16px;border-radius:8px;font-size:14px;font-weight:600;cursor:pointer}
.btn:hover{filter:brightness(1.08)}
.btn.ghost{background:var(--chip-g);color:var(--ink)}
.btn.dangerbtn{background:var(--off-bg);color:var(--off-ink)}
.btn.sm{padding:5px 10px;font-size:12px}
@media(max-width:700px){.row2{grid-template-columns:1fr}}

.flash{background:var(--flash-bg);border:1px solid var(--flash-line);
  color:var(--flash-ink);padding:10px 14px;border-radius:8px;margin-bottom:16px;
  font-size:14px}
.alert{background:var(--alert-bg);border:1px solid var(--alert-line);
  color:var(--alert-ink);padding:10px 14px;border-radius:8px;font-size:13px;
  margin-top:6px}
.sectitle{font-size:15px;font-weight:700;margin:26px 0 12px}
.mono{font-family:"Cascadia Code",Consolas,monospace;font-size:13px;
  white-space:pre-wrap;background:var(--mono-bg);border:1px solid var(--line);
  border-radius:10px;padding:16px;line-height:1.5}

.login-bg{display:flex;align-items:center;justify-content:center;min-height:100vh;
  background:radial-gradient(1200px 600px at 30% -10%,#1f2937,#0f1115)}
.login-card{background:var(--card);padding:34px 32px;border-radius:16px;width:340px;
  box-shadow:0 20px 60px rgba(0,0,0,.35)}
.login-card h1{margin:0 0 4px;font-size:20px;color:var(--ink)}
.login-card p{margin:0 0 18px;color:var(--muted);font-size:13px}
.login-top{position:absolute;top:16px;right:16px}
.err{color:#f87171;font-size:13px;margin-top:10px}