:root {
  --bg: #f6f7f9;
  --card: #ffffff;
  --ink: #111827;
  --ink-2: #374151;
  --muted: #6b7280;
  --line: #e5e7eb;
  --line-2: #d1d5db;
  --accent: #0f766e;
  --accent-ink: #ffffff;
  --accent-soft: #e6f4f2;
  --danger: #b91c1c;
  --danger-soft: #fdecec;
  --ok: #15803d;
  --ok-soft: #e8f6ec;
  --warn: #a16207;
  --warn-soft: #fdf6e3;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(17, 24, 39, .06), 0 1px 1px rgba(17, 24, 39, .04);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0d1117; --card: #161b22; --ink: #e6edf3; --ink-2: #c9d1d9; --muted: #8b949e;
    --line: #2a313c; --line-2: #3a4350; --accent: #2bb3a3; --accent-ink: #04201d; --accent-soft: #10302d;
    --danger: #f47067; --danger-soft: #3a1d1d; --ok: #57c47a; --ok-soft: #12301d; --warn: #d4a72c; --warn-soft: #33290f;
    --shadow: none; color-scheme: dark;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body { background: var(--bg); color: var(--ink); font: 14px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; -webkit-font-smoothing: antialiased; }
a { color: var(--accent); }
[hidden] { display: none !important; }
h1, h2, h3 { margin: 0; line-height: 1.2; }
h1 { font-size: 20px; }
h2 { font-size: 17px; }
.muted { color: var(--muted); }
.dim { color: var(--muted); font-weight: 500; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 13px; }

/* marca */
.brand { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 16px; letter-spacing: -.01em; }
.logo { width: 22px; height: 22px; border-radius: 6px; background: var(--ink); position: relative; }
.logo::after { content: ""; position: absolute; inset: 6px 5px; border: 2px solid var(--bg); border-radius: 6px; transform: rotate(-35deg); }

/* login */
.auth { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.auth-card { width: 100%; max-width: 360px; background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 28px; display: grid; gap: 14px; box-shadow: var(--shadow); }
.auth-card h1 { margin-top: 10px; }
.auth-card p { margin: -6px 0 0; }

/* topo */
.top { position: sticky; top: 0; z-index: 5; display: flex; align-items: center; gap: 24px; padding: 0 24px; height: 56px; background: var(--card); border-bottom: 1px solid var(--line); }
.top nav { display: flex; gap: 4px; overflow-x: auto; }
.top nav a { padding: 8px 12px; border-radius: 8px; color: var(--ink-2); text-decoration: none; font-weight: 500; white-space: nowrap; }
.top nav a:hover { background: var(--bg); }
.top nav a.on { background: var(--accent-soft); color: var(--accent); }
main { max-width: 1100px; margin: 0 auto; padding: 24px; }

/* blocos */
.bar { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; margin-bottom: 16px; }
.bar .grow { flex: 1 1 200px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); box-shadow: var(--shadow); }
.pad { padding: 18px; }
.stack { display: grid; gap: 12px; }
.row { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.spacer { flex: 1; }
.empty { padding: 48px 24px; text-align: center; color: var(--muted); }
.empty h2 { color: var(--ink); margin-bottom: 6px; }

/* formulários */
label { display: grid; gap: 6px; font-weight: 500; color: var(--ink-2); }
label small { font-weight: 400; color: var(--muted); }
input, select, textarea { width: 100%; font: inherit; color: var(--ink); background: var(--card); border: 1px solid var(--line-2); border-radius: 8px; padding: 9px 11px; outline: none; }
textarea { resize: vertical; min-height: 70px; }
input:focus, select:focus, textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
input[type=checkbox] { width: 16px; height: 16px; accent-color: var(--accent); }
input[type=color] { padding: 2px; height: 38px; }
.check { display: flex; align-items: center; gap: 8px; font-weight: 400; }
.prefix { display: flex; align-items: stretch; }
.prefix span { display: flex; align-items: center; padding: 0 10px; background: var(--bg); border: 1px solid var(--line-2); border-right: 0; border-radius: 8px 0 0 8px; color: var(--muted); white-space: nowrap; max-width: 55%; overflow: hidden; text-overflow: ellipsis; }
.prefix input { border-radius: 0 8px 8px 0; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.error { color: var(--danger); margin: 0; }
details summary { cursor: pointer; font-weight: 600; padding: 4px 0; }
details[open] summary { margin-bottom: 10px; }

/* botões */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; font: inherit; font-weight: 600; padding: 9px 14px; border-radius: 8px; border: 1px solid var(--line-2); background: var(--card); color: var(--ink); cursor: pointer; text-decoration: none; white-space: nowrap; }
.btn:hover { border-color: var(--muted); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn.primary:hover { filter: brightness(1.07); }
.btn.danger { color: var(--danger); }
.btn.ghost { border-color: transparent; background: transparent; padding: 6px 8px; color: var(--ink-2); }
.btn.ghost:hover { background: var(--bg); }
.btn.sm { padding: 6px 10px; font-size: 13px; }
.btn.block { width: 100%; }
.btn:disabled { opacity: .55; cursor: default; }

/* tabela de links */
.list { overflow: hidden; }
.item { display: grid; grid-template-columns: minmax(0, 1fr) 110px auto; gap: 16px; align-items: center; padding: 14px 18px; border-top: 1px solid var(--line); }
.item:first-child { border-top: 0; }
.item .short { display: flex; align-items: center; gap: 6px; font-weight: 600; min-width: 0; }
.item .short a { color: var(--ink); text-decoration: none; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.item .dest { color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; margin-top: 2px; }
.item .meta { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 6px; }
.item .nums { text-align: right; font-variant-numeric: tabular-nums; }
.item .nums b { font-size: 18px; display: block; }
.item .acts { display: flex; gap: 2px; }
.item.off .short a, .item.off .dest { opacity: .55; }
.tag { display: inline-flex; align-items: center; gap: 4px; padding: 2px 8px; border-radius: 99px; font-size: 12px; font-weight: 600; background: var(--bg); color: var(--ink-2); border: 1px solid var(--line); }
.tag.ok { background: var(--ok-soft); color: var(--ok); border-color: transparent; }
.tag.warn { background: var(--warn-soft); color: var(--warn); border-color: transparent; }
.tag.bad { background: var(--danger-soft); color: var(--danger); border-color: transparent; }
.tag.acc { background: var(--accent-soft); color: var(--accent); border-color: transparent; }

/* domínios */
.dom { padding: 18px; border-top: 1px solid var(--line); display: grid; gap: 12px; }
.dom:first-child { border-top: 0; }
.dns { background: var(--bg); border: 1px dashed var(--line-2); border-radius: 8px; padding: 12px; }
.dns table { border-collapse: collapse; width: 100%; }
.dns th, .dns td { text-align: left; padding: 4px 10px 4px 0; }
.dns th { color: var(--muted); font-weight: 500; font-size: 12px; }

/* modal */
dialog { border: 0; padding: 0; border-radius: 14px; width: min(620px, calc(100vw - 24px)); max-height: calc(100vh - 32px); background: var(--card); color: var(--ink); box-shadow: 0 20px 50px rgba(0, 0, 0, .25); }
dialog::backdrop { background: rgba(15, 23, 42, .45); }
.m-head { display: flex; align-items: center; gap: 10px; padding: 18px 20px; border-bottom: 1px solid var(--line); position: sticky; top: 0; background: var(--card); z-index: 1; }
.m-body { padding: 20px; display: grid; gap: 14px; }
.m-foot { display: flex; gap: 8px; justify-content: flex-end; padding: 14px 20px; border-top: 1px solid var(--line); position: sticky; bottom: 0; background: var(--card); }

/* prévia */
.preview { border: 1px solid var(--line); border-radius: 10px; overflow: hidden; background: var(--bg); max-width: 380px; }
.preview img { display: block; width: 100%; aspect-ratio: 1.91 / 1; object-fit: cover; background: var(--line); }
.preview div { padding: 10px 12px; }
.preview .pt { font-weight: 600; }
.preview .pd { color: var(--muted); font-size: 13px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.preview .ph { color: var(--muted); font-size: 12px; text-transform: lowercase; }

/* QR */
.qr-wrap { display: grid; grid-template-columns: 240px 1fr; gap: 20px; align-items: start; }
.qr-box { background: repeating-conic-gradient(var(--line) 0 25%, transparent 0 50%) 50% / 16px 16px; border-radius: 10px; display: grid; place-items: center; padding: 10px; }
.qr-box canvas, .qr-box svg { width: 220px !important; height: 220px !important; display: block; }

/* estatísticas */
.chart { display: flex; align-items: flex-end; gap: 3px; height: 120px; padding-top: 8px; }
.chart div { flex: 1; background: var(--accent); border-radius: 3px 3px 0 0; min-height: 2px; opacity: .85; }
.chart div:hover { opacity: 1; }
.kpis { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.kpi { background: var(--bg); border-radius: 8px; padding: 12px; }
.kpi b { display: block; font-size: 22px; font-variant-numeric: tabular-nums; }
.kpi span { color: var(--muted); font-size: 12px; }
.bars { display: grid; gap: 6px; }
.bars div { display: grid; grid-template-columns: 1fr auto; gap: 8px; font-size: 13px; }

/* toast */
#toast { position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%) translateY(20px); background: var(--ink); color: var(--bg); padding: 10px 16px; border-radius: 8px; font-weight: 500; opacity: 0; pointer-events: none; transition: .2s; z-index: 50; max-width: calc(100vw - 32px); }
#toast.on { opacity: 1; transform: translateX(-50%); }
#toast.err { background: var(--danger); color: #fff; }

@media (max-width: 720px) {
  .top { padding: 0 16px; gap: 12px; }
  .top .brand { display: none; }
  main { padding: 16px; }
  .item { grid-template-columns: minmax(0, 1fr) auto; }
  .item .acts { grid-column: 1 / -1; justify-content: flex-start; margin-left: -8px; }
  .grid2, .qr-wrap { grid-template-columns: 1fr; }
  .qr-box { justify-self: center; }
  .kpis { grid-template-columns: repeat(3, 1fr); }
}