:root {
  --bg: #ffffff;
  --bg-soft: #f7f8fa;
  --bg-card: #ffffff;
  --border: #e6e8ec;
  --border-strong: #d4d7dd;
  --text: #1b1f27;
  --text-soft: #5b6270;
  --text-mute: #8b93a3;
  --copper: #b06a3c;
  --copper-dark: #8f5330;
  --copper-soft: #f4e8df;
  --green: #2e9e6b;
  --green-soft: #e6f5ee;
  --red: #d3453f;
  --red-soft: #fbe9e8;
  --amber: #c98a12;
  --amber-soft: #fbf1da;
  --blue: #2f6fd6;
  --shadow: 0 1px 2px rgba(20, 25, 35, 0.04), 0 4px 16px rgba(20, 25, 35, 0.06);
  --radius: 12px;
  --radius-sm: 8px;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg-soft);
  color: var(--text);
  font-size: 14.5px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--copper); text-decoration: none; }
a:hover { text-decoration: underline; }
.hidden { display: none !important; }

/* ---------- Login ---------- */
.login-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.login-card {
  width: 100%;
  max-width: 380px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow);
  padding: 34px 30px;
}
.login-card .brand { text-align: center; margin-bottom: 22px; }
.login-card .brand .logo { margin: 0 auto 12px; }
.login-card h1 { font-size: 18px; margin: 0 0 2px; }
.login-card .sub { color: var(--text-mute); font-size: 13px; }

/* ---------- Layout ---------- */
.app { display: flex; min-height: 100vh; }
.sidebar {
  width: 240px;
  background: var(--bg);
  border-right: 1px solid var(--border);
  padding: 20px 14px;
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
}
.sidebar .brand { display: flex; align-items: center; gap: 10px; padding: 4px 8px 20px; }
.sidebar .brand b { font-size: 14.5px; line-height: 1.2; }
.sidebar .brand small { color: var(--text-mute); font-size: 11px; display: block; }
.nav { display: flex; flex-direction: column; gap: 2px; }
.nav a {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 12px; border-radius: var(--radius-sm);
  color: var(--text-soft); font-weight: 500; cursor: pointer;
}
.nav a:hover { background: var(--bg-soft); text-decoration: none; }
.nav a.active { background: var(--copper-soft); color: var(--copper-dark); }
.nav a svg { width: 18px; height: 18px; flex: none; }
.sidebar .spacer { flex: 1; }
.sidebar .userbox { border-top: 1px solid var(--border); padding-top: 14px; font-size: 12.5px; color: var(--text-soft); }
.sidebar .userbox .u { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.credit { color: var(--text-mute); font-size: 11px; margin-top: 10px; text-align: center; }
.login-card .credit { margin-top: 18px; padding-top: 14px; border-top: 1px solid var(--border); }

.main { flex: 1; min-width: 0; }
.topbar {
  height: 62px; background: var(--bg);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 26px; position: sticky; top: 0; z-index: 5;
}
.topbar h2 { font-size: 16px; margin: 0; }
.content { padding: 26px; max-width: 1120px; }

/* ---------- Components ---------- */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
}
.card + .card { margin-top: 16px; }
.card h3 { margin: 0 0 4px; font-size: 15px; }
.card .card-sub { color: var(--text-mute); font-size: 12.5px; margin-bottom: 16px; }
.grid { display: grid; gap: 16px; }
.grid.cols-3 { grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); }
.stat-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 14px; margin-bottom: 20px; }
.stat { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; box-shadow: var(--shadow); }
.stat .n { font-size: 26px; font-weight: 700; }
.stat .l { color: var(--text-mute); font-size: 12.5px; }

/* site card */
.site-card { cursor: pointer; transition: border-color .12s, transform .12s; }
.site-card:hover { border-color: var(--border-strong); transform: translateY(-1px); }
.site-card .sc-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 10px; }
.site-card h4 { margin: 0; font-size: 15px; }
.site-card .dom { color: var(--text-soft); font-size: 12.5px; margin-top: 4px; word-break: break-all; display: flex; align-items: center; gap: 6px; }
.site-card .dom svg { width: 14px; height: 14px; flex: none; }
.tag-input svg, .list svg { width: 15px; height: 15px; }
.site-card .sc-foot { margin-top: 14px; display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }

/* badges */
.badge { display: inline-flex; align-items: center; gap: 5px; padding: 3px 9px; border-radius: 999px; font-size: 11.5px; font-weight: 600; }
.badge.green { background: var(--green-soft); color: var(--green); }
.badge.red { background: var(--red-soft); color: var(--red); }
.badge.amber { background: var(--amber-soft); color: var(--amber); }
.badge.gray { background: var(--bg-soft); color: var(--text-mute); }
.badge.copper { background: var(--copper-soft); color: var(--copper-dark); }
.dot { width: 7px; height: 7px; border-radius: 50%; background: currentColor; }

/* buttons */
.btn {
  display: inline-flex; align-items: center; gap: 7px; justify-content: center;
  padding: 9px 15px; border-radius: var(--radius-sm);
  border: 1px solid var(--border-strong); background: var(--bg);
  color: var(--text); font-weight: 600; font-size: 13.5px; cursor: pointer;
  font-family: inherit; transition: background .12s, border-color .12s;
}
.btn:hover { background: var(--bg-soft); }
.btn svg { width: 16px; height: 16px; }
.btn.primary { background: var(--copper); border-color: var(--copper); color: #fff; }
.btn.primary:hover { background: var(--copper-dark); border-color: var(--copper-dark); }
.btn.danger { color: var(--red); border-color: var(--red-soft); }
.btn.danger:hover { background: var(--red-soft); }
.btn.ghost { border-color: transparent; background: transparent; }
.btn.ghost:hover { background: var(--bg-soft); }
.btn.sm { padding: 6px 11px; font-size: 12.5px; }
.btn:disabled { opacity: .55; cursor: not-allowed; }
.btn-row { display: flex; gap: 10px; flex-wrap: wrap; }

/* forms */
label.field { display: block; margin-bottom: 14px; }
label.field .lbl { display: block; font-weight: 600; font-size: 12.5px; margin-bottom: 6px; color: var(--text-soft); }
input[type=text], input[type=password], input[type=email], select, textarea {
  width: 100%; padding: 10px 12px; border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm); font-size: 14px; font-family: inherit; background: var(--bg); color: var(--text);
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--copper); box-shadow: 0 0 0 3px var(--copper-soft); }
.checkbox { display: flex; align-items: center; gap: 9px; cursor: pointer; font-size: 13.5px; }
.checkbox input { width: 16px; height: 16px; accent-color: var(--copper); }
.help { color: var(--text-mute); font-size: 12px; margin-top: 5px; }

/* tables / lists */
.list { border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.list .row { display: flex; align-items: center; gap: 12px; padding: 12px 16px; border-bottom: 1px solid var(--border); }
.list .row:last-child { border-bottom: none; }
.list .row .grow { flex: 1; min-width: 0; }
.list .row .mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 12.5px; color: var(--text-soft); }
.muted { color: var(--text-mute); }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; }

/* dropzone */
.dropzone {
  border: 2px dashed var(--border-strong); border-radius: var(--radius);
  padding: 30px; text-align: center; color: var(--text-soft); cursor: pointer; background: var(--bg-soft);
  transition: border-color .12s, background .12s;
}
.dropzone.drag { border-color: var(--copper); background: var(--copper-soft); }
.dropzone strong { color: var(--text); }
.dropzone svg { width: 34px; height: 34px; color: var(--copper); opacity: .8; }

/* modal */
.modal-backdrop { position: fixed; inset: 0; background: rgba(20,25,35,.4); display: flex; align-items: center; justify-content: center; padding: 20px; z-index: 50; }
.modal { background: var(--bg-card); border-radius: 14px; box-shadow: 0 20px 60px rgba(0,0,0,.25); width: 100%; max-width: 480px; padding: 24px; }
.modal h3 { margin: 0 0 16px; font-size: 16px; }
.modal .modal-foot { display: flex; justify-content: flex-end; gap: 10px; margin-top: 20px; }

/* toast */
#toasts { position: fixed; right: 20px; bottom: 20px; display: flex; flex-direction: column; gap: 10px; z-index: 100; }
.toast { background: var(--text); color: #fff; padding: 12px 16px; border-radius: var(--radius-sm); font-size: 13.5px; box-shadow: var(--shadow); max-width: 360px; }
.toast.ok { background: var(--green); }
.toast.err { background: var(--red); }

/* misc */
.section-title { font-size: 12px; text-transform: uppercase; letter-spacing: .06em; color: var(--text-mute); font-weight: 700; margin: 0 0 10px; }
.back-link { display: inline-flex; align-items: center; gap: 6px; color: var(--text-soft); font-size: 13px; margin-bottom: 14px; cursor: pointer; }
.back-link:hover { color: var(--text); }
.empty { text-align: center; padding: 60px 20px; color: var(--text-mute); }
.empty svg { width: 40px; height: 40px; opacity: .5; margin-bottom: 12px; }
.spin { animation: spin 1s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }
.tag-input { display: flex; gap: 8px; }
.tag-input input { flex: 1; }
pre.out { background: #0f1420; color: #cbd5e1; padding: 14px; border-radius: var(--radius-sm); font-size: 12px; overflow: auto; max-height: 240px; }

/* file manager */
.ftool { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-bottom: 12px; }
.fcrumb { font-size: 13.5px; color: var(--text-soft); display: flex; align-items: center; gap: 4px; flex-wrap: wrap; }
.fcrumb .cr { cursor: pointer; color: var(--copper-dark); font-weight: 600; }
.fcrumb .cr:hover { text-decoration: underline; }
.fcrumb .sep { color: var(--text-mute); margin: 0 2px; }
.fbtns { display: flex; gap: 8px; flex-wrap: wrap; }
.flist { border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
.frow { display: flex; align-items: center; gap: 12px; padding: 9px 14px; border-bottom: 1px solid var(--border); }
.frow:last-child { border-bottom: none; }
.frow:hover { background: var(--bg-soft); }
.frow .fthumb { width: 34px; height: 34px; object-fit: cover; border-radius: 6px; border: 1px solid var(--border); background: var(--bg-soft); flex: none; }
.frow .fico { width: 34px; text-align: center; flex: none; }
.frow .fname { flex: 1; min-width: 0; font-size: 14px; word-break: break-all; cursor: default; }
.frow a.fname { cursor: pointer; color: var(--text); }
.frow a.fname[data-go]:hover, .frow a.fname[data-edit]:hover, .frow a.fname[href]:hover { color: var(--copper); text-decoration: underline; }
.frow .fsize { color: var(--text-mute); font-size: 12.5px; white-space: nowrap; }
.frow .facts { display: flex; gap: 6px; align-items: center; }
.frow .facts svg { width: 15px; height: 15px; }

/* editor modal */
.modal.editor { max-width: 860px; width: 94vw; }
textarea.code {
  width: 100%; height: 58vh; resize: vertical;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 13px; line-height: 1.5;
  background: #0f1420; color: #d7e0ec; border: 1px solid var(--border-strong); border-radius: var(--radius-sm);
  padding: 14px; tab-size: 2; white-space: pre; overflow: auto;
}
textarea.code:focus { outline: none; border-color: var(--copper); box-shadow: 0 0 0 3px var(--copper-soft); }
.editor-hint { font-size: 12px; margin-top: 8px; }

@media (max-width: 760px) {
  .sidebar { position: fixed; left: -260px; z-index: 40; transition: left .2s; }
  .sidebar.open { left: 0; }
  .content { padding: 18px; }
  .topbar { padding: 0 16px; }
}