:root{
  --bg: #0b1220;
  --card: rgba(255,255,255,.06);
  --text: #e8eefc;
  --muted: #a9b6d6;
  --line: rgba(255,255,255,.10);
  --brand: #5b8cff;
}

*{
  box-sizing: border-box;
  min-width: 0;
}

html{
  width: 100%;
  overflow-x: hidden;
}

body{
  margin: 0;
  width: 100%;
  min-height: 100vh;
  overflow-x: hidden;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: radial-gradient(1200px 700px at 10% 10%, #162b5a 0%, var(--bg) 55%);
  color: var(--text);
}

img,
svg,
canvas,
video,
iframe{
  max-width: 100%;
  height: auto;
  display: block;
}

table{
  width: 100%;
  border-collapse: collapse;
}

.app-shell{
  min-height: 100vh;
  display: flex;
  width: 100%;
  align-items: stretch;
}

.sidebar{
  width: 260px;
  flex: 0 0 260px;
  background: rgba(255,255,255,.04);
  border-right: 1px solid var(--line);
  padding: 18px;
  overflow-y: auto;
}

.sidebar h4{
  margin: 0 0 12px 0;
  font-weight: 800;
}

.sidebar hr{
  border: none;
  height: 1px;
  background: var(--line);
  margin: 12px 0 14px;
}

.sidebar a{
  display: block;
  padding: 10px 12px;
  border-radius: 12px;
  text-decoration: none;
  color: var(--text);
  margin-bottom: 6px;
  border: 1px solid transparent;
  word-wrap: break-word;
}

.sidebar a:hover{
  background: rgba(255,255,255,.06);
  border-color: var(--line);
}

.main{
  flex: 1 1 auto;
  width: 100%;
  max-width: 100%;
  padding: 22px;
  overflow-x: hidden;
}

.card{
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 16px;
  width: 100%;
  max-width: 100%;
}

/* Helpful responsive utility for tables */
.table-responsive{
  width: 100%;
  max-width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

/* Prevent form controls from overflowing */
input,
select,
textarea,
button{
  max-width: 100%;
  font: inherit;
}

/* Large tablets and below */
@media (max-width: 991.98px){
  .sidebar{
    width: 220px;
    flex: 0 0 220px;
    padding: 16px;
  }

  .main{
    padding: 18px;
  }

  .card{
    padding: 14px;
  }
}

/* Tablets / small laptops */
@media (max-width: 767.98px){
  .app-shell{
    flex-direction: column;
  }

  .sidebar{
    width: 100%;
    flex: 0 0 auto;
    border-right: none;
    border-bottom: 1px solid var(--line);
    padding: 14px;
  }

  .main{
    width: 100%;
    padding: 14px;
  }

  .card{
    border-radius: 14px;
    padding: 14px;
  }
}

/* Phones */
@media (max-width: 575.98px){
  body{
    font-size: 15px;
  }

  .sidebar{
    padding: 12px;
  }

  .sidebar a{
    padding: 9px 10px;
    border-radius: 10px;
    margin-bottom: 5px;
  }

  .main{
    padding: 10px;
  }

  .card{
    padding: 12px;
    border-radius: 12px;
  }

  .sidebar h4{
    font-size: 18px;
  }
}