:root {
  --navy: #0f3460;
  --navy-dark: #0a2647;
  --accent: #1e88e5;
  --bg: #f4f6f9;
  --card: #ffffff;
  --text: #1a2233;
  --muted: #637086;
  --border: #e1e6ed;
  --green: #1a7f37;
  --green-bg: #e6f4ea;
  --red: #b42318;
  --red-bg: #fbe9e7;
  --amber: #8a5a00;
  --amber-bg: #fff3cd;
  --blue: #0b5fa5;
  --blue-bg: #e3f0fc;
  --gray-bg: #eceff2;
  --radius: 10px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

header.topbar {
  background: var(--navy);
  color: #fff;
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
}

header.topbar .brand {
  font-weight: 700;
  font-size: 1.1rem;
  color: #fff;
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 8px;
}

header.topbar nav {
  display: flex;
  gap: 18px;
  align-items: center;
  flex-wrap: wrap;
}

header.topbar nav a, header.topbar nav button {
  color: #dce7f5;
  font-size: 0.92rem;
}

header.topbar .user-pill {
  background: rgba(255,255,255,0.12);
  padding: 5px 12px;
  border-radius: 20px;
  font-size: 0.85rem;
}

main.container {
  max-width: 980px;
  margin: 28px auto;
  padding: 0 20px 60px;
}

main.container.narrow { max-width: 480px; }
main.container.wide { max-width: 1180px; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 20px;
  box-shadow: 0 1px 2px rgba(16,24,40,0.04);
}

h1 { font-size: 1.5rem; margin: 0 0 4px; }
h2 { font-size: 1.15rem; margin: 0 0 14px; color: var(--navy-dark); }
h3 { font-size: 1rem; margin: 18px 0 10px; color: var(--navy-dark); }
.subtitle { color: var(--muted); margin: 0 0 20px; font-size: 0.95rem; }

label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 5px;
  color: #2a3444;
}

input, select, textarea {
  width: 100%;
  padding: 9px 11px;
  border: 1px solid var(--border);
  border-radius: 7px;
  font-size: 0.92rem;
  font-family: inherit;
  background: #fff;
  color: var(--text);
}

input:focus, select:focus, textarea:focus {
  outline: 2px solid var(--accent);
  outline-offset: -1px;
}

.field { margin-bottom: 14px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.grid-3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 14px; }
@media (max-width: 640px) {
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
}

.btn {
  display: inline-block;
  padding: 10px 18px;
  border-radius: 7px;
  border: none;
  font-size: 0.92rem;
  font-weight: 600;
  cursor: pointer;
  background: var(--navy);
  color: #fff;
}
.btn:hover { background: var(--navy-dark); }
.btn:disabled { opacity: 0.55; cursor: not-allowed; }
.btn-secondary { background: #fff; color: var(--navy); border: 1px solid var(--border); }
.btn-secondary:hover { background: var(--gray-bg); }
.btn-danger { background: var(--red); }
.btn-danger:hover { background: #8c1b12; }
.btn-sm { padding: 6px 12px; font-size: 0.82rem; }
.btn-row { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 4px; }

table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { color: var(--muted); font-weight: 600; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.02em; }
tr:hover td { background: #fafbfc; }
.table-wrap { overflow-x: auto; }

.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 0.76rem;
  font-weight: 600;
  white-space: nowrap;
}
.badge-gray { background: var(--gray-bg); color: #51607a; }
.badge-blue { background: var(--blue-bg); color: var(--blue); }
.badge-amber { background: var(--amber-bg); color: var(--amber); }
.badge-green { background: var(--green-bg); color: var(--green); }
.badge-red { background: var(--red-bg); color: var(--red); }

.alert {
  padding: 11px 14px;
  border-radius: 7px;
  margin-bottom: 16px;
  font-size: 0.88rem;
}
.alert-error { background: var(--red-bg); color: var(--red); border: 1px solid #f3c6bf; }
.alert-success { background: var(--green-bg); color: var(--green); border: 1px solid #bfe3c9; }
.alert-info { background: var(--blue-bg); color: var(--blue); border: 1px solid #c4ddf4; }

.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); margin-bottom: 20px; flex-wrap: wrap; }
.tab-btn {
  background: none; border: none; padding: 10px 16px; cursor: pointer;
  font-size: 0.9rem; font-weight: 600; color: var(--muted);
  border-bottom: 2px solid transparent;
}
.tab-btn.active { color: var(--navy); border-bottom-color: var(--accent); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

.list-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  margin-bottom: 12px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
}
.list-item .meta { color: var(--muted); font-size: 0.85rem; margin-top: 3px; }

.hero {
  background: linear-gradient(135deg, var(--navy), var(--navy-dark));
  color: #fff;
  padding: 60px 24px;
  text-align: center;
}
.hero h1 { font-size: 2rem; color: #fff; }
.hero p { max-width: 640px; margin: 10px auto 24px; color: #cfe0f3; }

.empty-state { text-align: center; padding: 40px 20px; color: var(--muted); }

.small-note { font-size: 0.8rem; color: var(--muted); margin-top: 6px; }
.text-right { text-align: right; }
.flex-between { display: flex; justify-content: space-between; align-items: center; gap: 10px; flex-wrap: wrap; }

footer {
  text-align: center;
  color: var(--muted);
  font-size: 0.82rem;
  padding: 30px 20px;
}

.dyn-row {
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 14px;
  margin-bottom: 12px;
  position: relative;
}
.dyn-row .remove-row {
  position: absolute;
  top: 10px;
  right: 10px;
}