:root {
  --navy: #152744;
  --blue: #2f6fed;
  --orange: #f7931e;
  --bg: #f4f6fb;
  --card: #ffffff;
  --border: #e2e6ef;
  --text: #1c2536;
  --muted: #6b7386;
  --green: #1a9c5e;
  --red: #d64545;
  --amber: #c9860a;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
}
a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }

.layout { display: flex; min-height: 100vh; }
.sidebar {
  width: 240px;
  background: var(--navy);
  color: #fff;
  padding: 24px 0;
  flex-shrink: 0;
}
.sidebar .brand {
  font-size: 18px;
  font-weight: 700;
  padding: 0 24px 24px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  margin-bottom: 16px;
}
.sidebar .brand span { color: var(--orange); }
.sidebar nav a {
  display: block;
  padding: 12px 24px;
  color: rgba(255,255,255,0.8);
  font-size: 14px;
}
.sidebar nav a:hover, .sidebar nav a.active {
  background: rgba(255,255,255,0.08);
  color: #fff;
  text-decoration: none;
}
.sidebar .user-box {
  margin-top: auto;
  padding: 16px 24px;
  font-size: 13px;
  color: rgba(255,255,255,0.6);
}
.main { flex: 1; padding: 32px 40px; max-width: 1100px; }
.main h1 { margin-top: 0; font-size: 24px; }
.main h2 { font-size: 18px; margin-top: 32px; }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 16px; margin: 24px 0; }
.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
}
.card .value { font-size: 28px; font-weight: 700; color: var(--navy); }
.card .label { font-size: 13px; color: var(--muted); margin-top: 4px; }

table { width: 100%; border-collapse: collapse; background: var(--card); border: 1px solid var(--border); border-radius: 10px; overflow: hidden; }
th, td { text-align: left; padding: 12px 16px; border-bottom: 1px solid var(--border); font-size: 14px; }
th { background: #f8f9fc; color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: 0.03em; }
tr:last-child td { border-bottom: none; }

.badge { display: inline-block; padding: 3px 10px; border-radius: 999px; font-size: 12px; font-weight: 600; }
.badge-draft { background: #eef0f5; color: var(--muted); }
.badge-active { background: #e5f6ed; color: var(--green); }
.badge-paused { background: #fdeeee; color: var(--red); }
.badge-testing { background: #fff3e0; color: var(--amber); }

.btn {
  display: inline-block;
  padding: 9px 18px;
  border-radius: 7px;
  background: var(--blue);
  color: #fff;
  border: none;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}
.btn:hover { background: #2559c4; text-decoration: none; }
.btn-orange { background: var(--orange); }
.btn-orange:hover { background: #d97e0f; }
.btn-outline { background: transparent; color: var(--blue); border: 1px solid var(--blue); }

.form-card { background: var(--card); border: 1px solid var(--border); border-radius: 10px; padding: 20px; margin-bottom: 24px; max-width: 480px; }
.form-row { margin-bottom: 14px; }
.form-row label { display: block; font-size: 13px; color: var(--muted); margin-bottom: 5px; font-weight: 600; }
.form-row input, .form-row select {
  width: 100%; padding: 9px 12px; border: 1px solid var(--border); border-radius: 6px; font-size: 14px;
}
.checkbox-row { display: flex; gap: 16px; align-items: center; }
.checkbox-row label { font-weight: 400; display: flex; align-items: center; gap: 6px; }

.flash { padding: 12px 16px; border-radius: 8px; margin-bottom: 20px; font-size: 14px; }
.flash-success { background: #e5f6ed; color: var(--green); }
.flash-error { background: #fdeeee; color: var(--red); }

.login-page { display: flex; align-items: center; justify-content: center; min-height: 100vh; background: var(--navy); }
.login-card { background: #fff; border-radius: 12px; padding: 40px; width: 100%; max-width: 360px; }
.login-card h1 { font-size: 20px; margin-bottom: 4px; }
.login-card p.subtitle { color: var(--muted); font-size: 13px; margin-top: 0; margin-bottom: 24px; }
.login-card .btn { width: 100%; padding: 11px; margin-top: 8px; }

.muted { color: var(--muted); font-size: 13px; }
.empty-state { text-align: center; padding: 48px 24px; color: var(--muted); }