* { box-sizing: border-box; }
:root {
  --bg: #eef4fb;
  --card: #ffffff;
  --primary: #1d4ed8;
  --primary-dark: #163ea8;
  --secondary: #e2e8f0;
  --danger: #dc2626;
  --success: #16a34a;
  --text: #0f172a;
  --muted: #475569;
  --border: #dbe4ef;
  --shadow: 0 18px 40px rgba(15,23,42,0.08);
}
body { margin: 0; font-family: Arial, Helvetica, sans-serif; background: var(--bg); color: var(--text); }
a { text-decoration: none; }
.badge { display: inline-block; padding: 8px 14px; border-radius: 999px; background: #e8eefc; color: var(--primary); font-weight: 700; font-size: 0.9rem; }
.landing-shell,.entry-shell,.panel-shell { max-width: 1200px; margin: 0 auto; padding: 28px 16px; }
.landing-hero,.entry-card,.panel-card,.info-card,.video-card { background: var(--card); border-radius: 24px; padding: 24px; box-shadow: var(--shadow); border: 1px solid var(--border); }
.landing-content h1,.entry-header h1,.panel-header h1 { margin: 12px 0; font-size: clamp(2rem, 4vw, 3rem); line-height: 1.08; }
.landing-content p,.entry-header p,.panel-header p { color: var(--muted); line-height: 1.7; }
.landing-actions,.button-row { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 18px; }
.btn-primary,.btn-secondary,.btn-danger,.btn-success { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; border: 0; border-radius: 14px; padding: 0 18px; font-weight: 700; cursor: pointer; }
.btn-primary { background: var(--primary); color: white; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-secondary { background: var(--secondary); color: var(--text); }
.btn-danger { background: var(--danger); color: white; }
.btn-success { background: var(--success); color: white; }
.full { width: 100%; }
.entry-grid { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 20px; margin-top: 22px; }
.entry-side { display: flex; flex-direction: column; gap: 20px; }
.form-group { margin-bottom: 14px; }
.form-group label { display: block; margin-bottom: 8px; font-weight: 700; }
input,select,textarea { width: 100%; border-radius: 14px; border: 1px solid #cbd5e1; background: #fff; padding: 13px 14px; font: inherit; }
.action-block { margin: 18px 0; }
.divider { text-align: center; color: var(--muted); margin: 14px 0; font-weight: 700; }
.status-box { margin-top: 18px; background: #f8fbff; border: 1px solid var(--border); border-radius: 14px; padding: 14px 16px; color: #334155; font-weight: 600; }
.video-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 12px; margin-bottom: 14px; }
.video-grid label { display: block; margin-bottom: 8px; font-weight: 700; }
video { width: 100%; min-height: 200px; border-radius: 16px; background: #0f172a; object-fit: cover; }
.panel-config { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; align-items: end; margin: 22px 0; }
.info-card h3,.video-card h3 { margin-top: 0; }
.info-card ul { margin: 0; padding-left: 18px; color: #334155; line-height: 1.7; }
@media (max-width: 980px) { .entry-grid,.panel-config,.video-grid { grid-template-columns: 1fr; } }