/* Beluga Classy Theme (Blue) - inventory serial submission module */

:root{
  --beluga-ink:#0b1a2a;
  --beluga-blue:#0b2a4a;
  --beluga-blue2:#123a66;
  --beluga-gold:#c9a24a; /* accent */
  --beluga-surface: rgba(255,255,255,.92);
  --beluga-shadow: 0 12px 34px rgba(8,18,28,.16);
  --beluga-radius: 18px;
}

*{ box-sizing:border-box; }
html,body{ height:100%; }

body{
  margin:0;
  color:var(--beluga-ink);
  font-family: "Plus Jakarta Sans", system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;

  background-color: var(--beluga-blue);
  background-image: url("/BAA-AMS/inventory-management-system/BI_001_P2_003.jpg?v=4");
  background-repeat: repeat;
  background-size: 360px auto;
  background-attachment: fixed;
  background-position: top left;
}

/* Light veil to keep pattern visible */
body::before{
  content:"";
  position: fixed;
  inset: 0;
  background: rgba(255,255,255,.10);
  pointer-events: none;
  z-index: 0;
}

.beluga-wrap{
  position: relative;
  z-index: 1;
  max-width: 1100px;
  margin: 34px auto 60px;
  padding: 0 18px;
}

.beluga-card{
  background: var(--beluga-surface);
  border: 1px solid rgba(16,42,67,.14);
  border-radius: var(--beluga-radius);
  box-shadow: var(--beluga-shadow);
  overflow:hidden;
}

.beluga-header{
  padding: 22px 24px 16px;
  border-bottom: 1px solid rgba(16,42,67,.10);
  background:
    linear-gradient(90deg, rgba(11,42,74,.18), rgba(255,255,255,0) 65%),
    linear-gradient(180deg, rgba(255,255,255,.96), rgba(255,255,255,.80));
}

.beluga-title{
  margin:0;
  font-size: 34px;
  letter-spacing: .2px;
  color: var(--beluga-blue);
}

.beluga-subtitle{
  margin: 6px 0 0;
  font-size: 15px;
  color: rgba(11,26,42,.72);
}

.beluga-body{ padding: 18px 24px 24px; }

.beluga-toolbar{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  align-items:center;
  justify-content: space-between;
  margin: 6px 0 16px;
}

.beluga-field{
  display:flex;
  flex-direction:column;
  gap:6px;
  min-width: 260px;
}
.beluga-label{
  font-size: 12px;
  letter-spacing:.7px;
  text-transform:uppercase;
  color: rgba(11,26,42,.62);
}

.beluga-input{
  width:100%;
  padding: 12px 12px;
  border-radius: 12px;
  border: 1px solid rgba(16,42,67,.18);
  background: rgba(255,255,255,.96);
  font-size: 15px;
  outline: none;
}
.beluga-input:focus{
  border-color: rgba(11,42,74,.55);
  box-shadow: 0 0 0 4px rgba(11,42,74,.14);
}
input::placeholder{
  color: rgba(11,26,42,.55);
  opacity: 1;
}

/* Classy Beluga buttons (no flat fill) */
.beluga-btn{
  position: relative;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  padding: 12px 18px;
  border-radius: 14px;
  border: 1px solid rgba(11,42,74,.55);
  color: #fff;
  cursor:pointer;
  font-weight: 800;
  letter-spacing:.2px;
  text-decoration:none;

  background:
    linear-gradient(180deg, rgba(255,255,255,.16), rgba(255,255,255,0) 45%),
    linear-gradient(180deg, rgba(18,58,102,1), rgba(11,42,74,1));
  box-shadow:
    0 10px 20px rgba(8,18,28,.18),
    inset 0 1px 0 rgba(255,255,255,.24);
}

.beluga-btn::after{
  content:"";
  position:absolute;
  inset:1px;
  border-radius: 13px;
  box-shadow: inset 0 0 0 1px rgba(255,255,255,.10);
  pointer-events:none;
}

.beluga-btn:hover{
  filter: brightness(1.04);
  box-shadow:
    0 12px 26px rgba(8,18,28,.22),
    inset 0 1px 0 rgba(255,255,255,.26);
}

.beluga-btn:active{
  transform: translateY(1px);
  box-shadow:
    0 7px 16px rgba(8,18,28,.18),
    inset 0 1px 0 rgba(255,255,255,.18);
}

.beluga-btn.secondary{
  color: var(--beluga-blue);
  border: 1px solid rgba(16,42,67,.20);
  background:
    linear-gradient(180deg, rgba(255,255,255,.92), rgba(245,248,252,.90));
  box-shadow:
    0 10px 18px rgba(8,18,28,.10),
    inset 0 1px 0 rgba(255,255,255,.60);
}

.beluga-btn.secondary:hover{
  border-color: rgba(201,162,74,.45);
}

.beluga-note{
  margin-top: 14px;
  font-size: 13px;
  color: rgba(11,26,42,.62);
}

hr.beluga-hr{
  border:none;
  height:1px;
  background: rgba(16,42,67,.10);
  margin: 16px 0;
}