/* Modern theme overrides for legacy Bootstrap 3 UI */
:root{
  --bg1: #f6f8fb;
  --bg2: #eef2ff;
  --surface: #ffffff;
  --text: #0f172a;
  --muted: #64748b;
  --border: rgba(15,23,42,.12);
  --shadow: 0 14px 40px rgba(15,23,42,.10);
  --shadow-sm: 0 8px 20px rgba(15,23,42,.08);
  --primary: #4f46e5;
  --primary-2: #4338ca;
  --accent: #06b6d4;
}

html, body{
  height: 100%;
}

body{
  background: radial-gradient(900px 420px at 15% 0%, rgba(79,70,229,.18), transparent 60%),
              radial-gradient(900px 420px at 85% 0%, rgba(6,182,212,.14), transparent 60%),
              linear-gradient(180deg, var(--bg2), var(--bg1));
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Inter, "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Header */
.app-topbar{
  background: linear-gradient(90deg, var(--primary), var(--accent));
  height: 3px;
}

.app-header{
  background: rgba(255,255,255,.72);
  border-bottom: 1px solid rgba(15,23,42,.10);
  backdrop-filter: blur(10px);
}

.app-header__inner{
  padding: 14px 0;
}

/* Panels -> cards */
.panel{
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.panel-primary{
  border-color: var(--border);
}

/* Primary panel heading only (login tab navs stay .navbar-inverse blue) */
.panel.panel-primary > .panel-heading{
  color: #fff;
  background-color: #2E8B57;
  background-image: none;
  border-color: #246b43;
}

.navbar-inverse{
  background: #1d4ed8;
  border-color: transparent;
  margin-bottom: 0;
}

.navbar-inverse .navbar-nav>li>a{
  color: rgba(255,255,255,.98);
  font-weight: 600;
}

.navbar-inverse .navbar-nav>li>a:hover,
.navbar-inverse .navbar-nav>li>a:focus{
  color: rgba(255,255,255,1);
  background: rgba(255,255,255,.12);
  border-radius: 6px;
}

.navbar-inverse .navbar-brand,
.navbar-inverse .navbar-brand label{
  color: rgba(255,255,255,.98);
  font-weight: 700;
}

.navbar-inverse .navbar-nav>.active>a,
.navbar-inverse .navbar-nav>.active>a:hover,
.navbar-inverse .navbar-nav>.active>a:focus{
  color: rgba(255,255,255,1);
  background: rgba(255,255,255,.20);
  border-radius: 6px;
}

/* Forgot.jsp uses navbar-default inside a panel */
.navbar-default{
  background: #1d4ed8;
  border-color: transparent;
  margin-bottom: 0;
}

.navbar-default .navbar-nav>li>a{
  color: rgba(255,255,255,.98);
  font-weight: 600;
}

.navbar-default .navbar-nav>li>a:hover,
.navbar-default .navbar-nav>li>a:focus{
  color: rgba(255,255,255,1);
  background: rgba(255,255,255,.12);
  border-radius: 6px;
}

.navbar-default .navbar-brand,
.navbar-default .navbar-brand label{
  color: rgba(255,255,255,.98);
  font-weight: 700;
}

.navbar-default .navbar-nav>.active>a,
.navbar-default .navbar-nav>.active>a:hover,
.navbar-default .navbar-nav>.active>a:focus{
  color: rgba(255,255,255,1);
  background: rgba(255,255,255,.20);
  border-radius: 6px;
}

/* Modernize other contextual panel headings used in tabs */
.panel-success{
  border-color: var(--border);
}

.panel-success > .panel-heading{
  background: linear-gradient(90deg, rgba(16,185,129,.92), rgba(6,182,212,.78));
  border-color: transparent;
  color: rgba(255,255,255,.98);
}

.panel-danger{
  border-color: var(--border);
}

.panel-danger > .panel-heading{
  background: linear-gradient(90deg, rgba(239,68,68,.92), rgba(245,158,11,.78));
  border-color: transparent;
  color: rgba(255,255,255,.98);
}

/* Forms */
.form-control{
  border-radius: 10px;
  border-color: rgba(17,24,39,.14);
  box-shadow: none;
  height: 42px;
}

.form-control:focus{
  border-color: rgba(37,99,235,.55);
  box-shadow: 0 0 0 3px rgba(37,99,235,.14);
}

.btn{
  border-radius: 10px;
}

.btn-primary{
  background: var(--primary);
  border-color: var(--primary);
}

.btn-primary:hover,
.btn-primary:focus{
  background: var(--primary-2);
  border-color: var(--primary-2);
}

.well{
  background: rgba(255,255,255,.78);
  border: 1px solid rgba(15,23,42,.10);
  border-radius: 14px;
  box-shadow: var(--shadow-sm);
}

/* Utilities */
.app-page{
  padding-top: 18px;
  padding-bottom: 18px;
}

.text-muted{
  color: var(--muted);
}

/* Login layout helpers */
.auth-shell{
  max-width: 1120px;
  margin: 0 auto;
}

.auth-card .panel-body{
  padding: 18px;
}

.auth-card .panel-title{
  letter-spacing: .2px;
}

.list-group-item{
  border-color: rgba(15,23,42,.10);
}

/* Header logo responsiveness */
.erp-logo{
  max-width: 500px;
  width: 100%;
  height: auto;
}

/* Mobile compatibility improvements */
@media (max-width: 767px){
  .erp-logo{
    max-width: 100%;
    margin: 0 auto;
  }

  .navbar-nav{
    margin: 4px 0;
  }

  .navbar-nav > li > a{
    padding: 10px 12px;
  }

  .panel{
    margin-bottom: 12px;
  }

  .well{
    padding: 12px;
  }

  .form-horizontal .control-label{
    text-align: left;
  }
}