:root{
  /* Lavender-blue + white + dark text theme */
  --bg: #f6f7fb;            /* very light lavender/white */
  --accent: #6b7bff;        /* primary lavender-blue */
  --accent-2: #9aa3ff;      /* lighter lavender accent */
  --muted: #0f1724;         /* near-black for high contrast text */
  --soft: #f3f5ff;          /* soft card background */
  --glass: rgba(255,255,255,0.75);
  --card-shadow: 0 10px 30px rgba(15,20,40,0.08);
}

*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{
  font-family: Inter, system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial;
  background:var(--bg);
  color:var(--muted);
  -webkit-font-smoothing:antialiased;
}

/* Background video wrapper */
.bg-video-wrap{
  position:fixed;inset:0;z-index:0;overflow:hidden;
}
.bg-video{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);min-width:100%;min-height:100%;width:auto;height:auto;filter:brightness(0.75) saturate(1.02);
}
.video-overlay{
  position:absolute;inset:0;background:linear-gradient(180deg, rgba(255,255,255,0.25), rgba(0,0,0,0.15));mix-blend-mode:multiply;
}

.app-shell{position:relative;z-index:5;display:flex;min-height:100vh}

.sidebar{
  width:220px;padding:28px;background:linear-gradient(180deg,var(--accent),var(--accent-2));color:#0f1724;display:flex;flex-direction:column;gap:18px;box-shadow:var(--card-shadow)
}
.brand{font-size:20px;font-weight:700;letter-spacing:0.6px}
.nav-list{list-style:none;padding:0;margin-top:6px}
.nav-item{padding:10px 12px;border-radius:8px;cursor:pointer;transition:background 160ms}
.nav-item:hover{background:white}
.nav-item.active{background:rgba(255,255,255,0.12);font-weight:600}

.main-content{flex:1;padding:36px 48px;overflow:auto;min-height:100vh}

h2{color:var(--accent-2);font-size:28px;margin-bottom:12px}
p{line-height:1.5;color:rgba(15,17,20,0.86)}

.hero{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:28px;background:linear-gradient(90deg, rgba(255,255,255,0.66), rgba(255,255,255,0.4));border-radius:12px;box-shadow:var(--card-shadow);backdrop-filter: blur(4px)}
.hero-copy h2{margin-bottom:6px}

.shopping-grid{display:grid;grid-template-columns:1fr 300px;gap:20px;align-items:start}
.form-panel{background:var(--soft);padding:18px;border-radius:10px}
.side-panel{background:var(--glass);padding:16px;border-radius:10px}

.input-frame{margin-bottom:12px}
label{display:block;margin-bottom:6px;font-size:14px;color:rgba(0,0,0,0.6)}
.input-field{width:100%;padding:8px 10px;border-radius:8px;border:1px solid rgba(15,17,20,0.06);background:#fff}
.btn{display:inline-block;padding:10px 14px;background:var(--accent);color:#fff;border-radius:8px;border:none;cursor:pointer}
.btn:hover{filter:brightness(.96)}
.btn.small{padding:6px 8px;font-size:13px;border-radius:6px}

.item-actions{float:right;display:inline-flex;gap:8px;align-items:center}

ul{list-style:none;padding:0}
ul li{background:#ffffff;padding:8px;border-radius:6px;margin-bottom:8px;border:1px solid rgba(15,17,20,0.04)}

.character{pointer-events:none;display:block}
.character svg{display:block;filter:drop-shadow(0 6px 14px rgba(0,0,0,0.12))}
.character--right{transform-origin:center;animation:float 6s ease-in-out infinite}
.character--left{transform-origin:center;animation:float 5s ease-in-out infinite}
@keyframes float{0%{transform:translateY(0)}50%{transform:translateY(-8px)}100%{transform:translateY(0)}}

/* Utility classes */
.hidden{display:none}

/* Responsive adjustments */
@media (max-width:900px){
  .sidebar{display:none}
  .sidebar.open{display:flex;position:fixed;left:12px;top:12px;bottom:12px;z-index:20;width:260px;box-shadow:0 20px 40px rgba(0,0,0,0.18)}
  .shopping-grid{grid-template-columns:1fr}
  /* keep background video on mobile but reduce visual intensity */
  .bg-video{opacity:0.9;filter:brightness(0.7) saturate(0.95)}
  .video-overlay{background:linear-gradient(180deg, rgba(255,255,255,0.2), rgba(0,0,0,0.28));}
  .topbar{display:flex;align-items:center;gap:12px;padding:12px 16px;background:linear-gradient(90deg,var(--accent),var(--accent-2));color:#fff;position:fixed;left:0;right:0;top:0;z-index:18}
  .menu-btn{background:transparent;border:none;color:#fff;font-size:20px;padding:6px 8px;border-radius:6px}
  .topbar-title{font-weight:700}
  .play-overlay{position:fixed;left:50%;top:50%;transform:translate(-50%,-50%);z-index:19;background:rgba(255,255,255,0.9);border-radius:999px;border:none;padding:20px 26px;font-size:22px;box-shadow:0 8px 24px rgba(0,0,0,0.2);display:none;cursor:pointer}
}

/* Respect user reduced motion preference */
@media (prefers-reduced-motion: reduce){
  .character--right,.character--left{animation:none}
}

/* Small polish */
.hero-copy p{max-width:60ch}