:root {
  --ink: #1a2332;
  --muted: #5c6b7a;
  --paper: #f3f6f8;
  --card: #ffffff;
  --line: #d5dee6;
  --accent: #0c5c4c;
  --accent-2: #147a66;
  --warn: #8a4b12;
  --warn-bg: #fff4e5;
  --danger: #9b1c1c;
  --ok: #0c5c4c;
  --shadow: 0 10px 30px rgba(26, 35, 50, 0.06);
  --serif: "Source Serif 4", Georgia, serif;
  --sans: "IBM Plex Sans", "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--sans);
  color: var(--ink);
  background:
    radial-gradient(1200px 500px at 10% -10%, #d9ebe6 0%, transparent 55%),
    linear-gradient(180deg, #e8eef2 0%, var(--paper) 40%, #eef2f5 100%);
  min-height: 100vh;
}

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

.topbar {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  padding: 0.85rem 1.5rem;
  background: rgba(255,255,255,0.92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 20;
}
.topbar-brand { display: flex; align-items: baseline; gap: 0.4rem; min-width: 8rem; }
.brand {
  font-family: var(--serif);
  font-weight: 700;
  font-size: 1.45rem;
  color: var(--ink);
  text-decoration: none;
}
.brand-sub {
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  font-weight: 600;
}
.topnav { display: flex; gap: 0.25rem; flex: 1; flex-wrap: wrap; }
.topnav a {
  padding: 0.45rem 0.75rem;
  border-radius: 6px;
  color: var(--muted);
  font-weight: 500;
  text-decoration: none;
}
.topnav a:hover, .topnav a.active {
  background: #e7f2ef;
  color: var(--accent);
  text-decoration: none;
}
.topbar-user { display: flex; align-items: center; gap: 0.75rem; }
.user-meta { text-align: right; line-height: 1.25; }
.user-meta strong { display: block; font-size: 0.9rem; }
.user-meta span { font-size: 0.75rem; color: var(--muted); }

.banner-warn {
  background: var(--warn-bg);
  color: var(--warn);
  padding: 0.65rem 1.5rem;
  font-size: 0.9rem;
  border-bottom: 1px solid #f0d2a8;
}

.main {
  width: min(1120px, calc(100% - 2rem));
  margin: 1.5rem auto 3rem;
}

.site-footer {
  width: min(1120px, calc(100% - 2rem));
  margin: 0 auto 2rem;
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  color: var(--muted);
  font-size: 0.8rem;
}

.hero-login {
  width: min(420px, calc(100% - 2rem));
  margin: 8vh auto;
  background: var(--card);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  padding: 2rem 1.75rem 1.75rem;
}
.hero-login h1 {
  font-family: var(--serif);
  font-size: 2rem;
  margin: 0 0 0.25rem;
}
.hero-login .lede {
  color: var(--muted);
  margin: 0 0 1.5rem;
  font-size: 0.95rem;
}

.panel {
  background: var(--card);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  padding: 1.25rem 1.35rem;
  margin-bottom: 1.25rem;
}
.panel h1, .panel h2 {
  font-family: var(--serif);
  margin: 0 0 0.75rem;
}
.panel h1 { font-size: 1.75rem; }
.panel h2 { font-size: 1.25rem; }

.grid-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
}
.stat-card {
  background: linear-gradient(160deg, #fff, #f4faf8);
  border: 1px solid var(--line);
  padding: 1rem 1.1rem;
}
.stat-card .label { color: var(--muted); font-size: 0.8rem; }
.stat-card .value {
  font-family: var(--serif);
  font-size: 1.75rem;
  margin-top: 0.25rem;
}

label { display: block; font-size: 0.85rem; font-weight: 500; margin: 0.75rem 0 0.3rem; }
input[type=text], input[type=password], input[type=email], input[type=search],
input[type=date], select, textarea {
  width: 100%;
  padding: 0.55rem 0.65rem;
  border: 1px solid var(--line);
  border-radius: 4px;
  font: inherit;
  background: #fff;
}
textarea { min-height: 90px; resize: vertical; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; }
.form-actions { margin-top: 1.25rem; display: flex; gap: 0.6rem; flex-wrap: wrap; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.55rem 1rem;
  border-radius: 4px;
  border: 1px solid transparent;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-2); text-decoration: none; color: #fff; }
.btn-ghost { background: transparent; border-color: var(--line); color: var(--ink); }
.btn-ghost:hover { background: #f0f4f7; text-decoration: none; }
.btn-danger { background: #fff; border-color: #e8b4b4; color: var(--danger); }

.flash {
  padding: 0.75rem 1rem;
  margin-bottom: 1rem;
  border: 1px solid var(--line);
}
.flash-ok { background: #e8f6f1; border-color: #b7e0d2; color: var(--ok); }
.flash-error { background: #fdecec; border-color: #f0c2c2; color: var(--danger); }

.table-wrap { overflow-x: auto; }
table.data {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}
table.data th, table.data td {
  text-align: left;
  padding: 0.65rem 0.5rem;
  border-bottom: 1px solid var(--line);
}
table.data th {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
  font-weight: 600;
}
table.data tr:hover td { background: #f7faf9; }
.toolbar {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  align-items: end;
  margin-bottom: 1rem;
}
.toolbar .grow { flex: 1; min-width: 180px; }
.muted { color: var(--muted); }
.coming {
  padding: 1.5rem;
  border: 1px dashed var(--line);
  color: var(--muted);
  background: #fafcfd;
}

@media (max-width: 800px) {
  .topbar { flex-wrap: wrap; }
  .topbar-user { width: 100%; justify-content: space-between; }
  .user-meta { text-align: left; }
  .form-row { grid-template-columns: 1fr; }
}