/* GAMEE STUDIO — Marketing Hub: giao diện Đỏ - Trắng, dùng biến CSS token */
:root {
  --brand-primary: #DC2626;
  --brand-primary-hover: #B91C1C;
  --brand-primary-light: #FEF2F2;
  --brand-border: #FECACA;
  --bg-app: #F8FAFC;
  --bg-surface: #FFFFFF;
  --border: #E5E7EB;
  --text: #0F172A;
  --text-muted: #64748B;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: 'Segoe UI', system-ui, -apple-system, Roboto, sans-serif;
  background: var(--bg-app);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header toàn cục */
.app-header {
  background: var(--bg-surface);
  border-bottom: 2px solid var(--brand-primary);
  padding: 10px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.brand { display: flex; align-items: center; gap: 12px; min-width: 0; }
.brand img { height: 44px; width: auto; }
.brand-title { font-weight: 800; font-size: 17px; letter-spacing: 0.3px; }
.brand-subtitle { font-size: 11.5px; color: var(--brand-primary); font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px; }
.header-actions { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; justify-content: flex-end; }
.user-box { text-align: right; line-height: 1.25; }
.user-name { font-size: 14px; font-weight: 600; }
.user-role { font-size: 12px; color: var(--brand-primary); }

.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 14px; border-radius: 8px; border: 1px solid var(--border);
  background: var(--bg-surface); color: var(--text); font-size: 13.5px; font-weight: 600;
  cursor: pointer; text-decoration: none;
}
.btn:hover { background: var(--brand-primary-light); border-color: var(--brand-primary); }
.btn-primary { background: var(--brand-primary); border-color: var(--brand-primary); color: #fff; }
.btn-primary:hover { background: var(--brand-primary-hover); border-color: var(--brand-primary-hover); }

/* Nội dung */
.app-main { flex: 1; width: 100%; max-width: 1200px; margin: 0 auto; padding: 24px; }
.hero {
  background: linear-gradient(135deg, var(--brand-primary), #991B1B);
  color: #fff; border-radius: 12px; padding: 24px 28px; margin-bottom: 20px;
}
.hero h1 { margin: 0 0 6px; font-size: 22px; }
.hero p { margin: 0; font-size: 14px; opacity: 0.92; }

.card {
  background: var(--bg-surface); border: 1px solid var(--border); border-radius: 12px; padding: 20px 24px;
}
.card h2 { margin: 0 0 8px; font-size: 16px; }
.card p { margin: 0 0 6px; font-size: 14px; color: var(--text-muted); }
.info-list { margin: 12px 0 0; padding: 0; list-style: none; display: grid; grid-template-columns: 160px 1fr; gap: 8px 12px; font-size: 14px; }
.info-list dt { color: var(--text-muted); }
.info-list dd { margin: 0; font-weight: 600; word-break: break-word; }

/* Trạng thái tải / lỗi */
.state-box { text-align: center; padding: 60px 20px; color: var(--text-muted); }
.state-box.error { color: #991B1B; }
.state-box .state-title { font-size: 17px; font-weight: 700; margin-bottom: 8px; color: var(--text); }
.state-box.error .state-title { color: #991B1B; }

.app-footer { text-align: center; padding: 16px; font-size: 12.5px; color: var(--text-muted); border-top: 1px solid var(--border); background: var(--bg-surface); }
[hidden] { display: none !important; }

@media (max-width: 640px) {
  .app-header { padding: 10px 14px; flex-wrap: wrap; }
  .brand img { height: 36px; }
  .brand-title { font-size: 15px; }
  .header-actions { width: 100%; justify-content: space-between; }
  .user-box { text-align: left; order: -1; flex: 1 1 100%; }
  .app-main { padding: 14px; }
  .info-list { grid-template-columns: 1fr; }
}