/* Modern Skin (light/dark aware) */

:root{
  --app-grad-1: 245 100% 70%;
  --app-grad-2: 210 100% 60%;
  --app-grad-3: 280 90% 65%;
  --app-card-bg: rgba(255,255,255,.7);
  --app-card-border: rgba(255,255,255,.35);
  --app-shadow: 0 10px 30px rgba(0,0,0,.10);
  --app-blur: blur(8px);
}

:root[data-bs-theme="dark"]{
  --app-card-bg: rgba(18,20,24,.6);
  --app-card-border: rgba(255,255,255,.08);
  --app-shadow: 0 10px 30px rgba(0,0,0,.45);
}

body.app-gradient{
  background:
    radial-gradient(1200px 800px at 120% -10%, hsl(var(--app-grad-1)/.35), transparent 55%),
    radial-gradient(900px 700px at -10% 10%, hsl(var(--app-grad-2)/.35), transparent 55%),
    radial-gradient(900px 700px at 50% 110%, hsl(var(--app-grad-3)/.30), transparent 60%);
  min-height: 100vh;
}

/* Navbar gradient & subtle glass */
.navbar.app-navbar{
  background: linear-gradient(90deg, hsl(var(--app-grad-2)) 0%, hsl(var(--app-grad-3)) 100%) !important;
  box-shadow: 0 4px 18px rgba(0,0,0,.15);
}
.navbar.app-navbar .navbar-brand{
  font-weight: 700; letter-spacing:.2px;
}

/* Glassmorphism cards */
.card.card-shadow, .border.rounded {
  background: var(--app-card-bg) !important;
  backdrop-filter: var(--app-blur);
  -webkit-backdrop-filter: var(--app-blur);
  border: 1px solid var(--app-card-border) !important;
  box-shadow: var(--app-shadow);
  border-radius: 18px !important;
}

/* Buttons: slightly pill-shaped */
.btn{
  border-radius: 14px;
  font-weight: 600;
}
.btn-primary{
  background-image: linear-gradient(135deg, hsl(var(--app-grad-2)) 0%, hsl(var(--app-grad-3)) 100%);
  border: none;
}
.btn-outline-primary{
  border-color: hsl(var(--app-grad-2));
  color: hsl(var(--app-grad-2));
}
.btn-outline-primary:hover{
  background: hsl(var(--app-grad-2));
  color: #fff;
}

/* Badges */
.badge{
  border-radius: 999px;
  padding: .4rem .6rem;
  font-weight: 600;
}

/* Tables: zebra + hover highlight */
.table-hover tbody tr:hover{
  box-shadow: inset 0 0 0 9999px rgba(0,0,0,.03);
}
[data-bs-theme="dark"] .table-hover tbody tr:hover{
  box-shadow: inset 0 0 0 9999px rgba(255,255,255,.04);
}

/* Timeline */
.timeline::before{ background: linear-gradient(180deg, hsl(var(--app-grad-3)), hsl(var(--app-grad-2))); }
.timeline-item::before{ background: hsl(var(--app-grad-2)); }

/* Toasts */
.toast{
  border-radius: 14px;
  box-shadow: var(--app-shadow);
}

/* Inputs */
.form-control, .form-select{
  border-radius: 12px;
}

/* Tiny utility for floating section headings */
.section-title{
  display:flex;align-items:center;gap:.5rem;font-weight:700;letter-spacing:.3px;
}
.section-title .dot{
  width:.55rem;height:.55rem;border-radius:50%;
  background: linear-gradient(135deg, hsl(var(--app-grad-2)), hsl(var(--app-grad-3)));
  box-shadow: 0 2px 8px rgba(0,0,0,.18);
}