:root {
  --sky-50: #f0f7ff;
  --sky-100: #e0efff;
  --sky-200: #b9dcff;
  --sky-400: #4aa8ff;
  --sky-500: #1288f5;
  --sky-600: #0b6fd1;
  --ink: #10243b;
  --muted: #5d7287;
  --line: #dcebfa;
  --danger: #e5484d;
  --ok: #22a06b;
  --radius: 14px;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  background: linear-gradient(160deg, var(--sky-50), #ffffff 45%, var(--sky-100));
  color: var(--ink);
  min-height: 100vh;
}
.hidden { display: none !important; }
.muted { color: var(--muted); }
.small { font-size: 0.85rem; }

/* ===== Login ===== */
#view-login { display: flex; align-items: center; justify-content: center; min-height: 100vh; padding: 24px; }
.login-card {
  width: 100%; max-width: 420px; background: #fff; border: 1px solid var(--line);
  border-radius: 20px; padding: 36px; box-shadow: 0 18px 50px rgba(18,136,245,.12);
  text-align: center;
}
.login-logo { font-size: 44px; }
.login-card h1 { margin: 10px 0 4px; font-size: 26px; }
.login-card h1 span { color: var(--sky-500); }
.login-card p { margin-bottom: 18px; }
.login-card input {
  width: 100%; padding: 12px 14px; margin-bottom: 12px; border: 1px solid var(--line);
  border-radius: 10px; font-size: 15px; outline: none; background: var(--sky-50);
}
.login-card input:focus { border-color: var(--sky-400); background: #fff; }
.err { color: var(--danger); margin-top: 10px; font-size: 0.9rem; }

/* ===== Buttons ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  border: 0; border-radius: 10px; padding: 10px 16px; font-size: 14px; cursor: pointer;
  transition: .15s;
}
.btn.primary { background: var(--sky-500); color: #fff; width: 100%; }
.btn.primary:hover { background: var(--sky-600); }
.btn.ghost { background: transparent; color: var(--sky-600); border: 1px solid var(--sky-200); width: auto; }
.btn.ghost:hover { background: var(--sky-100); }
.btn.danger { background: #fff0f0; color: var(--danger); border: 1px solid #f3c2c4; width: auto; }
.btn.small { padding: 6px 12px; font-size: 13px; }

/* ===== Topbar ===== */
.topbar {
  position: sticky; top: 0; z-index: 20; display: flex; align-items: center; gap: 18px;
  padding: 12px 22px; background: rgba(255,255,255,.92); backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.brand { font-weight: 700; font-size: 17px; white-space: nowrap; }
.brand span { color: var(--sky-500); }
#main-nav { display: flex; gap: 6px; flex: 1; overflow-x: auto; }
#main-nav a {
  color: var(--muted); text-decoration: none; padding: 8px 14px; border-radius: 10px;
  font-size: 14px; white-space: nowrap;
}
#main-nav a.active { background: var(--sky-500); color: #fff; }
#main-nav a:not(.active):hover { background: var(--sky-100); color: var(--ink); }
.userbox { display: flex; align-items: center; gap: 10px; }
.chip {
  background: var(--sky-100); color: var(--sky-600); font-weight: 600;
  padding: 4px 10px; border-radius: 999px; font-size: 13px;
}
main { max-width: 1180px; margin: 0 auto; padding: 24px 22px 60px; }

/* ===== Cards / grid ===== */
.grid { display: grid; gap: 16px; }
.grid.cols-3 { grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); }
.grid.cols-2 { grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); }
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 18px; box-shadow: 0 4px 16px rgba(18,136,245,.06);
}
.card h3 { margin-bottom: 10px; font-size: 15px; }
.stat-num { font-size: 28px; font-weight: 700; color: var(--sky-600); }
.stat-label { color: var(--muted); font-size: 13px; }

/* ===== Tables ===== */
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--line); }
th { color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: .03em; }
tr:hover td { background: var(--sky-50); }

/* ===== Forms ===== */
input, textarea, select {
  width: 100%; padding: 10px 12px; border: 1px solid var(--line); border-radius: 10px;
  font-size: 14px; outline: none; background: var(--sky-50); color: var(--ink);
}
input:focus, textarea:focus, select:focus { border-color: var(--sky-400); background: #fff; }
textarea { resize: vertical; min-height: 90px; }
label { display: block; font-size: 13px; font-weight: 600; color: var(--muted); margin: 10px 0 4px; }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.row > * { flex: 1; min-width: 120px; }
.toolbar { display: flex; gap: 10px; align-items: center; margin-bottom: 14px; flex-wrap: wrap; }
.badge {
  display: inline-block; padding: 3px 9px; border-radius: 999px; font-size: 12px; font-weight: 600;
}
.badge.live { background: #ffe7e5; color: var(--danger); }
.badge.idle { background: var(--sky-100); color: var(--sky-600); }
.badge.draft { background: #f1f3f5; color: var(--muted); }
.badge.ok { background: #e3f7ec; color: var(--ok); }
.toast {
  position: fixed; bottom: 22px; right: 22px; background: var(--ink); color: #fff;
  padding: 12px 18px; border-radius: 12px; font-size: 14px; box-shadow: 0 8px 24px rgba(0,0,0,.2);
  z-index: 99;
}
.kv { display: grid; grid-template-columns: 130px 1fr; gap: 6px 12px; font-size: 14px; }
.kv b { color: var(--muted); font-weight: 600; }
code { background: var(--sky-50); padding: 2px 6px; border-radius: 6px; font-size: 13px; }