:root {
  --bg: #0f1419;
  --card: #1a2332;
  --border: #2d3a4f;
  --text: #e7ecf3;
  --muted: #8b9cb3;
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --success: #22c55e;
  --danger: #ef4444;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Segoe UI", "Malgun Gothic", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  min-height: 100vh;
}

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

.wrap {
  max-width: 960px;
  margin: 0 auto;
  padding: 2rem 1.25rem;
}

header.page-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border);
}

header.page-header h1 {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 600;
}

.badge {
  display: inline-block;
  padding: 0.2rem 0.6rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
}
.badge-ok { background: rgba(34,197,94,.2); color: var(--success); }
.badge-none { background: rgba(139,156,179,.2); color: var(--muted); }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1.25rem 1.5rem;
  margin-bottom: 1.25rem;
}

.card h2 {
  margin: 0 0 1rem;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

@media (max-width: 720px) {
  .grid-2 { grid-template-columns: 1fr; }
}

.meta-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}
.meta-table th {
  text-align: left;
  color: var(--muted);
  font-weight: 500;
  padding: 0.35rem 0.75rem 0.35rem 0;
  width: 38%;
  vertical-align: top;
}
.meta-table td {
  padding: 0.35rem 0;
  word-break: break-all;
}

.btn {
  display: inline-block;
  padding: 0.55rem 1.1rem;
  border-radius: 8px;
  border: none;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
}
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { background: var(--accent-hover); text-decoration: none; }
.btn-ghost {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
}
.btn-ghost:hover { color: var(--text); text-decoration: none; }

.alert {
  padding: 0.75rem 1rem;
  border-radius: 8px;
  margin-bottom: 1rem;
  font-size: 0.9rem;
}
.alert-success { background: rgba(34,197,94,.15); border: 1px solid var(--success); color: #86efac; }
.alert-error { background: rgba(239,68,68,.15); border: 1px solid var(--danger); color: #fca5a5; }

.form-group { margin-bottom: 1rem; }
.form-group label {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 0.85rem;
  color: var(--muted);
}
.form-group input[type=text],
.form-group input[type=password],
.form-group input[type=file],
.form-group textarea {
  width: 100%;
  padding: 0.55rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text);
  font-size: 0.9rem;
}
.form-group textarea { min-height: 4rem; resize: vertical; }
.form-row { display: flex; align-items: center; gap: 0.5rem; }
.form-row input[type=checkbox] { width: auto; }

.login-box {
  max-width: 380px;
  margin: 4rem auto;
}

footer.note {
  margin-top: 2rem;
  font-size: 0.8rem;
  color: var(--muted);
  text-align: center;
}

.upload-section {
  margin-top: 1.25rem;
  padding-top: 1.25rem;
  border-top: 1px dashed var(--border);
}
.upload-section h3,
.upload-section h4 {
  margin: 0 0 0.75rem;
  font-size: 0.95rem;
  color: var(--muted);
}

.app-section {
  margin-bottom: 1.5rem;
}

.app-section-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.25rem;
}

.app-section-header h2 {
  margin: 0;
  font-size: 1.15rem;
}

.app-meta {
  margin: 0 0 1rem;
  font-size: 0.85rem;
  color: var(--muted);
}

.platform-block h3 {
  margin: 0 0 0.75rem;
  font-size: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}