/* Elegant / Minimalist corporate style */

:root{
  --bg: #f6f7fb;
  --card: #ffffff;
  --muted: #6b7280;
  --muted-2: #9aa3b2;
  --primary: #0b3b66;   /* deep blue */
  --accent: #1f6feb;    /* brighter accent */
  --glass: rgba(11,59,102,0.04);
  --shadow: 0 10px 30px rgba(11,59,102,0.06);
  --radius-md: 12px;
  --radius-sm: 8px;
  --border: #e6e9ef;
}

/* Base */
* { box-sizing: border-box; }
html,body { height:100%; }
body {
  margin:0;
  min-height:100%;
  background: linear-gradient(180deg, #fbfcff 0%, var(--bg) 100%);
  color: #12263a;
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  font-size: 15px;
  line-height: 1.5;
}
.form-control::placeholder { /* Chrome, Firefox, Opera, Safari 10.1+ */
            color: rgb(199, 191, 191);
            opacity: 1; /* Firefox */
}

.form-control:-ms-input-placeholder { /* Internet Explorer 10-11 */
            color: rgb(199, 191, 191);
}

.form-control::-ms-input-placeholder { /* Microsoft Edge */
            color: rgb(199, 191, 191);
 }

/* Navbar */
.navbar {
  background: #ffffff;
  border-bottom: 1px solid var(--border);
  box-shadow: 0 2px 8px rgba(12, 38, 66, 0.03);
}
.navbar .container { gap:0.5rem; }
.navbar-brand {
  color: var(--primary) !important;
  font-weight: 700;
  letter-spacing: 0.2px;
  font-size: 1.05rem;
}
.navbar .nav-link {
  color: var(--muted) !important;
  font-weight: 500;
  padding: .45rem .7rem;
}
.navbar .nav-link:hover {
  color: var(--primary) !important;
}

/* Main container spacing */
main.container {
  max-width: 1100px;
  padding-top: 2.25rem;
  padding-bottom: 4rem;
}

/* Cards */
.card-corporate {
  background: var(--card);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  border-radius: var(--radius-md);
  padding: 1.25rem;
}

/* Titles */
.header-title {
  color: var(--primary);
  font-weight: 600;
  letter-spacing: -0.2px;
}

/* Tables */
.table {
  border-collapse: separate;
  border-spacing: 0;
  background: transparent;
}
.table thead th {
  border-bottom: 1px solid var(--border);
  color: var(--muted);
  font-size: .85rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  background: transparent;
  vertical-align: middle;
}
.table tbody tr {
  border-bottom: 1px solid rgba(15,23,42,0.04);
  transition: background .12s ease;
}
.table tbody tr:hover {
  background: rgba(11,59,102,0.02);
}
.table td, .table th { padding: .9rem .8rem; vertical-align: middle; }

/* Badges */
.badge {
  border-radius: 999px;
  font-weight: 600;
  padding: .35rem .6rem;
  font-size: .78rem;
}
.badge.bg-secondary { background: var(--glass); color: var(--primary); }

/* Buttons */
.btn {
  border-radius: 10px;
  font-weight: 600;
  padding: .45rem .85rem;
  transition: transform .06s ease, box-shadow .06s ease;
}
.btn:active { transform: translateY(0.5px); }
.btn-primary {
  background: linear-gradient(180deg, var(--accent), var(--primary));
  border: none;
  color: #fff;
  box-shadow: 0 6px 18px rgba(31,111,235,0.12);
}
.btn-primary:hover {
  filter: brightness(1.02);
}
.btn-outline-secondary {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
}

/* Forms */
.form-control {
  border-radius: 10px;
  border: 1px solid var(--border);
  padding: .7rem .8rem;
  box-shadow: none;
  transition: box-shadow .12s ease, border-color .12s ease;
  background: #fff;
}
.form-control:focus {
  outline: none;
  border-color: rgba(31,111,235,0.7);
  box-shadow: 0 6px 18px rgba(31,111,235,0.06);
}
.form-label { font-weight: 600; color: var(--muted); font-size: .92rem; margin-bottom: .35rem; }

/* File input small hint */
.form-text { color: var(--muted-2); font-size: .85rem; }

/* Lists */
.list-group-item {
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: .5rem;
}

/* Footer */
footer {
  background: transparent;
  border-top: 1px solid var(--border);
  margin-top: 3rem;
  color: var(--muted);
}


/* Responsive tweaks */
@media (max-width: 768px) {
  .header-title { font-size: 1.15rem; }
  main.container { padding-left: 1rem; padding-right: 1rem; }
}

/* Subtle utility */
.small-muted { color: var(--muted-2); font-size: .9rem; }

/* Focus visible for accessibility */
:focus-visible { outline: 3px solid rgba(13,110,253,0.12); outline-offset: 2px; }

/* Print adjustments (better for PDF preview) */
@media print {
  .navbar, footer, .btn { display: none !important; }
  body { background: #fff; color: #000; }
  .card-corporate { box-shadow: none; border: none; padding: 0; }
}