:root{
  /* Clean/minimal base (Everlane) + friendly accent (Magic Spoon) */
  --sibe-bg: #f7f7f5;
  --sibe-surface: #ffffff;
  --sibe-surface-2: #fbfbfa;
  --sibe-border: rgba(17,17,17,.10);
  --sibe-text: #111111;
  --sibe-muted: rgba(17,17,17,.62);

  --sibe-radius: 18px;
  --sibe-radius-sm: 14px;

  /* Brand accent (B): Blue → Pink gradient */
  --sibe-accent: #2f6fed;      /* blue */
  --sibe-accent-2: #ff2d95;    /* pink */
  --sibe-accent-3: #ff5a7a;    /* soft pink (badges) */
  --sibe-grad: linear-gradient(135deg, var(--sibe-accent) 0%, var(--sibe-accent-2) 100%);

  --sibe-shadow: 0 10px 30px rgba(17,17,17,.06);
  --sibe-shadow-sm: 0 6px 18px rgba(17,17,17,.06);
}

html, body { height: 100%; }

.sibe-body{
  background: var(--sibe-bg);
  color: var(--sibe-text);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Topbar */
.sibe-topbar{
  background: rgba(255,255,255,.85);
  backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--sibe-border);
}
.sibe-brand{
  letter-spacing: .2px;
}
.sibe-badge-dot{
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--sibe-grad);
  display: inline-block;
  margin-right: 8px;
}

/* Sidebar */
.sibe-sidebar{
  background: var(--sibe-surface);
  border-right: 1px solid var(--sibe-border);
}
.sibe-sidebar .sibe-nav-title{
  font-size: .75rem;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--sibe-muted);
}
.sibe-sidebar .list-group-item{
  border: 0;
  background: transparent;
  padding: .6rem .75rem;
  border-radius: 12px;
  color: var(--sibe-text);
}
.sibe-sidebar .list-group-item:hover{
  background: var(--sibe-surface-2);
}
.sibe-sidebar .list-group-item.active,
.sibe-sidebar .list-group-item:focus{
  background: linear-gradient(90deg, rgba(47,111,237,.12), rgba(255,45,149,.10));
  color: var(--sibe-text);
}

.sibe-sidebar .list-group-item.active{
  position: relative;
}
.sibe-sidebar .list-group-item.active::before{
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  bottom: 8px;
  width: 4px;
  border-radius: 999px;
  background: var(--sibe-grad);
}

/* Offcanvas navigation uses the same list styles */
.offcanvas{
  background: var(--sibe-surface);
}
.offcanvas .list-group-item{
  border: 0;
  background: transparent;
  padding: .65rem .85rem;
  border-radius: 12px;
  color: var(--sibe-text);
}
.offcanvas .list-group-item:hover{
  background: var(--sibe-surface-2);
}
.offcanvas .list-group-item.active{
  background: linear-gradient(90deg, rgba(47,111,237,.12), rgba(255,45,149,.10));
  position: relative;
}
.offcanvas .list-group-item.active::before{
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  bottom: 8px;
  width: 4px;
  border-radius: 999px;
  background: var(--sibe-grad);
}

/* Main area */
.sibe-main{
  padding: 28px;
}
.sibe-content{
  max-width: 1200px;
  margin: 0 auto;
}
.sibe-pagehead h1, .sibe-pagehead h2, .sibe-pagehead h3{
  letter-spacing: -.02em;
}
.sibe-subtitle{
  color: var(--sibe-muted);
}

/* Cards */
.card,
.sibe-card{
  border: 1px solid var(--sibe-border);
  border-radius: var(--sibe-radius);
  background: var(--sibe-surface);
  box-shadow: var(--sibe-shadow-sm);
}
.card.shadow-sm{ box-shadow: var(--sibe-shadow-sm) !important; }
.card .card-header{
  background: transparent;
  border-bottom: 1px solid var(--sibe-border);
}

/* Inputs */
.btn,
.form-control,
.form-select,
.alert,
.list-group-item,
.modal-content{
  border-radius: var(--sibe-radius-sm);
}
.form-control,
.form-select{
  border: 1px solid var(--sibe-border);
}
.form-control:focus,
.form-select:focus{
  border-color: rgba(47,111,237,.55);
  box-shadow: 0 0 0 .25rem rgba(255,45,149,.10);
}

/* Buttons */
.btn-sibe{
  background: var(--sibe-grad);
  border: 0;
  color: #fff;
  box-shadow: 0 10px 22px rgba(47,111,237,.14);
}
.btn-sibe:hover{
  filter: brightness(0.98);
  transform: translateY(-1px);
  box-shadow: 0 14px 28px rgba(255,45,149,.18);
}
.btn-sibe:focus{
  box-shadow: 0 0 0 .25rem rgba(255,45,149,.15), 0 10px 22px rgba(47,111,237,.14);
}
.btn-sibe:active{
  transform: translateY(0);
  filter: brightness(0.96);
}
.btn-outline-sibe{
  border-color: var(--sibe-border);
  color: var(--sibe-text);
}
.btn-outline-sibe:hover{
  background: var(--sibe-surface-2);
}

/* Table */
.table thead th{
  font-size: .78rem;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--sibe-muted);
  border-bottom: 1px solid var(--sibe-border) !important;
}
.table td{
  border-top: 1px solid rgba(17,17,17,.06);
}

/* Pills / status */
.sibe-chip{
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  font-size: .78rem;
  padding: .2rem .55rem;
  border-radius: 999px;
  border: 1px solid var(--sibe-border);
  background: var(--sibe-surface-2);
  color: var(--sibe-text);
  white-space: nowrap;
}
.sibe-chip.ok{ background: rgba(31,191,132,.10); border-color: rgba(31,191,132,.25); }
.sibe-chip.warn{ background: rgba(255,195,0,.13); border-color: rgba(255,195,0,.35); }
.sibe-chip.bad{ background: rgba(255,90,122,.12); border-color: rgba(255,90,122,.30); }

/* Accent helpers */
.sibe-gradient-text{
  background: var(--sibe-grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* Modals */
.modal-content{
  border: 1px solid var(--sibe-border);
  box-shadow: var(--sibe-shadow);
}
.modal-header{
  border-bottom: 1px solid var(--sibe-border);
}
.modal-footer{
  border-top: 1px solid var(--sibe-border);
}

/* Footer */
.sibe-footer{
  color: var(--sibe-muted);
}

/* Small screens */
@media (max-width: 767px){
  .sibe-main{ padding: 18px; }
}