*{
  margin:0;
  padding:0;
  box-sizing:border-box;
}

:root{
  --background:#000000e7;
  --foreground:#e5e5e5;

  --card:#161616e7;
  --card-foreground:#e5e5e5;

  --primary:#80d82d;
  --primary-foreground:#0a0a0a;

  --secondary:#1f1f1f;
  --secondary-foreground:#d4d4d4;

  --muted:#262626;
  --muted-foreground:#737373;

  --accent:#6ea739;
  --accent-foreground:#0a0a0a;

  --border:#262626;
  --border-2: rgba(255,255,255,.10);

  --input:#1f1f1f;
  --ring:#b0e282;

  --warning:#fbbf24;
  --warning-rgb: 251,191,36;

  --sidebar-background:#161616;
  --sidebar-foreground:#a3a3a3;
  --sidebar-border:#1f1f1f;

  --r-sm:10px;
  --r-md:14px;
  --r-lg:18px;

  --bg-app: var(--background);
  --bg-top: var(--card);
  --bg-sidebar: var(--sidebar-background);
  --bg-card: var(--card);
  --bg-hover: var(--secondary);

  --text: var(--foreground);
  --text-2: var(--sidebar-foreground);
  --text-3: var(--muted-foreground);

  --shadow-sm: 0 6px 16px rgba(0,0,0,.28);
  --shadow-md: 0 14px 30px rgba(0,0,0,.38);
  --shadow-lg: 0 18px 40px rgba(0,0,0,.45);

  --sidebar-w: 261px;
  --sidebar-gap: 10px;
  --header-h: 60px;
}

html{
  scroll-behavior:smooth;
}

body{
  font-family:'Inter',sans-serif;
  background-color: var(--background);
  color: var(--foreground);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

strong{
  font-weight: 800;
  color: #fff;
}

.accent{
  color: var(--primary);
  font-weight: 600;
}

.header{
  height: var(--header-h);
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 50;

  display:flex;
  align-items:center;
  padding: 0 1rem;

  border-bottom: 1px solid var(--border);
  border-radius: 0 0 14px 14px;

  background: rgba(22,22,22,.85);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.header-left{
  display:flex;
  align-items:center;
  gap: .75rem;
}

.logo{
  width: 32px;
  height: 32px;
  border-radius: 4px;
}

.header-title{
  font-weight: 600;
  color: var(--foreground);
  font-size: .95rem;
  letter-spacing: .3px;
}

.header-spacer{ width: 180px; }

.sidebar{
  width: var(--sidebar-w);
  position: fixed;
  left: var(--sidebar-gap);
  top: calc(var(--header-h) + var(--sidebar-gap));
  height: calc(100vh - var(--header-h) - (var(--sidebar-gap) * 2));
  z-index: 45;

  margin: 0;
  padding: 10px 8px;

  background: rgba(18,18,18,.92);
  border: 1px solid rgba(255,255,255,.07);
  border-radius: 12px;
  box-shadow: 0 10px 26px rgba(0,0,0,.35);

  overflow-y: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;

  backdrop-filter: blur(14px) saturate(120%);
}
.sidebar::-webkit-scrollbar{ width:0; height:0; }

.main-content{
  margin-left: calc(var(--sidebar-w) + 24px);
  margin-top: var(--header-h);
  min-height: 100vh;
  padding: 2rem;
}

.menu-toggle{
  display:none;
  background:none;
  border:none;
  color: var(--foreground);
  font-size: 1.25rem;
  cursor:pointer;
}

@media (max-width: 768px){
  .menu-toggle{ display:block; }
  .header-spacer{ display:none; }

  .main-content{ margin-left: 0; }

  .sidebar{
    transform: translateX(-100%);
    transition: transform .3s ease;
  }
  .sidebar.open{ transform: translateX(0); }

  .sidebar::before{
    content:'';
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.5);
    opacity: 0;
    visibility: hidden;
    transition: opacity .3s, visibility .3s;
    z-index: -1;
  }
  .sidebar.open::before{
    opacity: 1;
    visibility: visible;
  }
}