:root {
  --bg: #0f172a;
  --panel: #1e293b;
  --panel-2: #273549;
  --border: #334155;
  --text: #e2e8f0;
  --muted: #94a3b8;
  --accent: #10b981;
  --accent-2: #059669;
  --red: #ef4444;
  --yellow: #f59e0b;
  --blue: #3b82f6;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: "Segoe UI", system-ui, -apple-system, Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
}

#app { display: flex; min-height: 100vh; }

/* Sidebar */
.sidebar {
  width: 240px;
  background: var(--panel);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 18px 16px;
  border-bottom: 1px solid var(--border);
}
.logo {
  background: var(--accent);
  color: #052e1c;
  font-weight: 800;
  width: 34px;
  height: 34px;
  border-radius: 9px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
}
.brand small { display: block; color: var(--muted); }
nav { padding: 12px 8px; flex: 1; }
nav a {
  display: block;
  padding: 10px 14px;
  margin: 2px 0;
  border-radius: 8px;
  color: var(--muted);
  text-decoration: none;
  font-weight: 500;
}
nav a:hover { background: var(--panel-2); color: var(--text); }
nav a.active { background: var(--accent-2); color: #fff; }
.sidebar-foot {
  padding: 12px 16px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 13px;
}
.sidebar-foot b { color: var(--text); }

/* Main view */
.view { flex: 1; padding: 24px; max-width: 1100px; margin: 0 auto; width: 100%; }

h1 { font-size: 22px; margin-bottom: 4px; }
h2 { font-size: 18px; }
.sub { color: var(--muted); margin-bottom: 20px; font-size: 14px; }

/* Cards / stats */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
  margin-bottom: 22px;
}
.stat {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px;
}
.stat .num { font-size: 28px; font-weight: 700; }
.stat .lbl { color: var(--muted); font-size: 13px; margin-top: 4px; }
.stat.green .num { color: var(--accent); }
.stat.red .num { color: var(--red); }
.stat.gray .num { color: var(--muted); }

/* Toolbar */
.toolbar {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
  margin-bottom: 16px;
}

/* Downloads */
.downloads-list { display: flex; flex-direction: column; gap: 10px; margin-bottom: 18px; }
.download-card {
  display: flex;
  align-items: center;
  gap: 12px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px 16px;
}
.download-card .grow { flex: 1; }
.download-card strong { display: block; margin-bottom: 2px; }
.download-card .btn { flex-shrink: 0; }
.mono { font-family: Consolas, "Courier New", monospace; }

/* Buttons */
button, .btn {
  background: var(--accent);
  color: #052e1c;
  border: none;
  padding: 9px 16px;
  border-radius: 8px;
  font-weight: 600;
  cursor: pointer;
  font-size: 14px;
}
button:hover { background: var(--accent-2); color: #fff; }
.btn.ghost {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
}
.btn.ghost:hover { color: var(--text); border-color: var(--muted); }
.btn.danger { background: var(--red); color: #fff; }
.btn.small { padding: 6px 10px; font-size: 13px; }
.btn.blue { background: var(--blue); color: #fff; }

/* Inputs */
input, select, textarea {
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 10px 12px;
  border-radius: 8px;
  font-size: 14px;
  width: 100%;
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); }
.field { margin-bottom: 14px; }
.field label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 6px; }
.field .hint { font-size: 12px; color: var(--muted); margin-top: 4px; }

/* Table */
.table-wrap { overflow-x: auto; background: var(--panel); border: 1px solid var(--border); border-radius: 12px; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th {
  text-align: left;
  padding: 12px 14px;
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .03em;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
td { padding: 12px 14px; border-bottom: 1px solid var(--border); vertical-align: middle; }
tr:last-child td { border-bottom: none; }
tr:hover td { background: var(--panel-2); }
.mono { font-family: Consolas, monospace; font-size: 13px; }

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}
.badge .dot { width: 8px; height: 8px; border-radius: 50%; }
.badge.online { background: rgba(16,185,129,.15); color: var(--accent); }
.badge.online .dot { background: var(--accent); }
.badge.offline { background: rgba(148,163,184,.15); color: var(--muted); }
.badge.offline .dot { background: var(--muted); }
.badge.group { background: rgba(59,130,246,.15); color: var(--blue); }
.badge.group::before { content: "◫"; margin-right: 4px; }

/* Detail grid */
.detail-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
  margin: 18px 0;
}
.detail-card { background: var(--panel); border: 1px solid var(--border); border-radius: 12px; padding: 16px; }
.detail-card .k { color: var(--muted); font-size: 12px; text-transform: uppercase; }
.detail-card .v { margin-top: 6px; font-size: 15px; word-break: break-word; }
.pw-row { display: flex; gap: 8px; align-items: center; }
.pw-row code { flex: 1; }

/* Auth screens */
.auth-wrap { max-width: 420px; margin: 6vh auto 0; background: var(--panel); border: 1px solid var(--border); border-radius: 16px; padding: 28px; }
.auth-wrap h1 { margin-bottom: 4px; }
.auth-wrap .sub { margin-bottom: 22px; }
.auth-switch { margin-top: 16px; text-align: center; color: var(--muted); font-size: 14px; }
.auth-switch a { color: var(--accent); cursor: pointer; }

/* Modal */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.6);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 50;
  padding: 20px;
}
.modal-box {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 14px;
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  overflow-y: auto;
  padding: 22px;
}
.modal-box h2 { margin-bottom: 16px; }
.modal-actions { display: flex; gap: 10px; justify-content: flex-end; margin-top: 18px; }

/* Toast */
.toast {
  position: fixed;
  bottom: 20px;
  right: 20px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  padding: 12px 18px;
  border-radius: 10px;
  z-index: 100;
  font-size: 14px;
}
.toast.error { border-color: var(--red); color: #fca5a5; }
.toast.ok { border-color: var(--accent); color: var(--accent); }

/* Misc */
.empty {
  text-align: center;
  color: var(--muted);
  padding: 40px 10px;
}
.search { max-width: 320px; }
.muted { color: var(--muted); }
.mt { margin-top: 16px; }
.row-actions { display: flex; gap: 6px; }
.hidden { display: none !important; }

@media (max-width: 720px) {
  #app { flex-direction: column; }
  .sidebar { width: 100%; height: auto; position: static; }
  nav { display: flex; flex-wrap: wrap; gap: 4px; }
  .view { padding: 16px; }
}