:root {
  --navy: #12233d;
  --navy-light: #1c3a63;
  --accent: #e08e26;
  --accent-light: #f5b25c;
  --bg: #f4f6f9;
  --card: #ffffff;
  --text: #1f2733;
  --muted: #6b7686;
  --border: #e2e6ec;
  --radius: 10px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
}

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

.topnav {
  background: var(--navy);
  color: #fff;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 58px;
}
.topnav .brand { font-weight: 700; font-size: 1.15rem; color: #fff; letter-spacing: .3px; }
.topnav .brand span { color: var(--accent-light); }
.topnav nav a {
  color: #cfd8e6;
  margin-left: 18px;
  font-size: .92rem;
}
.topnav nav a:hover, .topnav nav a.active { color: #fff; text-decoration: none; }

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 28px 20px 60px;
}

.header-image {
  width: 100%;
  height: 220px;
  object-fit: cover;
  border-radius: var(--radius);
  margin-bottom: 24px;
  background: linear-gradient(135deg, var(--navy), var(--navy-light));
}
.header-placeholder {
  width: 100%;
  height: 220px;
  border-radius: var(--radius);
  margin-bottom: 24px;
  background: linear-gradient(135deg, var(--navy), var(--navy-light));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #cfd8e6;
  font-size: .95rem;
  text-align: center;
  padding: 20px;
}

.stat-row { display: flex; gap: 16px; margin-bottom: 24px; flex-wrap: wrap; }
.stat-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 20px;
  flex: 1;
  min-width: 140px;
}
.stat-card .num { font-size: 1.6rem; font-weight: 700; color: var(--navy); }
.stat-card .label { color: var(--muted); font-size: .85rem; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  margin-bottom: 20px;
}

h1, h2, h3 { color: var(--navy); }

.btn {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  padding: 9px 18px;
  border-radius: 6px;
  border: none;
  cursor: pointer;
  font-size: .92rem;
  font-weight: 600;
}
.btn:hover { background: var(--accent-light); text-decoration: none; }
.btn-secondary { background: var(--navy-light); }
.btn-secondary:hover { background: var(--navy); }
.btn-danger { background: #c0392b; }
.btn-sm { padding: 5px 12px; font-size: .82rem; }

form p { margin: 10px 0; }
label { display: block; font-weight: 600; margin-bottom: 4px; font-size: .88rem; color: var(--navy); }
input[type=text], input[type=password], input[type=email], textarea, select, input[type=file] {
  width: 100%;
  padding: 9px 11px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: .92rem;
}

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--border); font-size: .9rem; }
th { color: var(--muted); font-weight: 600; font-size: .8rem; text-transform: uppercase; }

.badge {
  display: inline-block;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 2px 10px;
  font-size: .78rem;
  color: var(--navy-light);
}
.badge.type-video { background: #fde9d0; color: #a35a00; border-color: #f6d9ab; }
.badge.type-pdf { background: #fbe0df; color: #a12b23; border-color: #f6c6c4; }
.badge.type-image { background: #dcefe1; color: #1e7a3d; border-color: #c3e4cc; }

.search-bar { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 20px; }
.search-bar > * { flex: 1; min-width: 140px; }

.messages { list-style: none; padding: 0; margin: 0 0 18px; }
.messages li {
  background: #eaf6ee;
  border: 1px solid #c3e4cc;
  color: #1e7a3d;
  padding: 10px 14px;
  border-radius: 6px;
  margin-bottom: 8px;
  word-break: break-word;
}

.share-url-box {
  display: flex;
  gap: 8px;
  align-items: center;
  background: var(--bg);
  border: 1px solid var(--border);
  padding: 10px 12px;
  border-radius: 6px;
  font-family: monospace;
  font-size: .85rem;
  word-break: break-all;
}

.muted { color: var(--muted); font-size: .85rem; }
.flex-between { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px; }

.share-page { max-width: 640px; margin: 60px auto; padding: 0 20px; text-align: center; }
.share-page .card { text-align: left; }
.share-preview img, .share-preview video { max-width: 100%; border-radius: var(--radius); }