/* INFOSSEL ERP — Modern SaaS UI (Bootstrap 5.3 overlay) */
:root {
  --erp-primary: #4f46e5;
  --erp-primary-dark: #3730a3;
  --erp-accent: #06b6d4;
  --erp-success: #10b981;
  --erp-warning: #f59e0b;
  --erp-danger: #ef4444;
  --erp-sidebar: #0f172a;
  --erp-sidebar-hover: #1e293b;
  --erp-surface: #ffffff;
  --erp-bg: #f1f5f9;
  --erp-text: #0f172a;
  --erp-muted: #64748b;
  --erp-radius: 14px;
  --erp-shadow: 0 10px 40px rgba(15, 23, 42, 0.08);
  --erp-shadow-lg: 0 20px 60px rgba(15, 23, 42, 0.15);
  --erp-transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

* { box-sizing: border-box; }

body.erp-app {
  font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--erp-bg);
  color: var(--erp-text);
  overflow-x: hidden;
}

/* ── Global loader ── */
#erp-loader {
  position: fixed;
  inset: 0;
  z-index: 99999;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(15, 23, 42, 0.92);
  backdrop-filter: blur(8px);
  transition: opacity 0.4s ease, visibility 0.4s ease;
}
#erp-loader.hidden { opacity: 0; visibility: hidden; pointer-events: none; }
.erp-spinner {
  width: 48px; height: 48px;
  border: 3px solid rgba(255,255,255,0.15);
  border-top-color: var(--erp-accent);
  border-radius: 50%;
  animation: erp-spin 0.8s linear infinite;
}
@keyframes erp-spin { to { transform: rotate(360deg); } }

/* ── Skeleton ── */
.erp-skeleton {
  background: linear-gradient(90deg, #e2e8f0 25%, #f1f5f9 50%, #e2e8f0 75%);
  background-size: 200% 100%;
  animation: erp-shimmer 1.4s infinite;
  border-radius: 8px;
}
@keyframes erp-shimmer { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }

/* ── Login page ── */
.erp-login-page {
  min-height: 100vh;
  background: linear-gradient(135deg, #0f172a 0%, #1e1b4b 40%, #312e81 100%);
  position: relative;
  overflow: hidden;
}
.erp-login-page::before {
  content: '';
  position: absolute;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(79,70,229,0.3) 0%, transparent 70%);
  top: -200px; right: -100px;
  animation: erp-float 8s ease-in-out infinite;
}
.erp-login-page::after {
  content: '';
  position: absolute;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(6,182,212,0.2) 0%, transparent 70%);
  bottom: -100px; left: -50px;
  animation: erp-float 10s ease-in-out infinite reverse;
}
@keyframes erp-float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(20px, -20px) scale(1.05); }
}

.erp-login-card {
  background: rgba(255,255,255,0.97);
  border-radius: 24px;
  box-shadow: var(--erp-shadow-lg);
  padding: 2.5rem;
  animation: erp-slide-up 0.6s ease-out;
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.2);
}
@keyframes erp-slide-up {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

.erp-login-card .form-control,
.erp-login-card .form-select {
  border: 2px solid #e2e8f0;
  border-radius: 12px;
  padding: 0.75rem 1rem;
  transition: border-color var(--erp-transition), box-shadow var(--erp-transition);
}
.erp-login-card .form-control:focus,
.erp-login-card .form-select:focus {
  border-color: var(--erp-primary);
  box-shadow: 0 0 0 4px rgba(79,70,229,0.15);
}

.erp-btn-primary {
  background: linear-gradient(135deg, var(--erp-primary), var(--erp-primary-dark));
  border: none;
  border-radius: 12px;
  padding: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: transform var(--erp-transition), box-shadow var(--erp-transition);
}
.erp-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(79,70,229,0.4);
  background: linear-gradient(135deg, #6366f1, var(--erp-primary));
}

.erp-brand-title {
  background: linear-gradient(135deg, var(--erp-primary), var(--erp-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 800;
}

.erp-hero-panel {
  animation: erp-fade-in 1s ease-out;
}
@keyframes erp-fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* ── App shell (sidebar + main) ── */
body.erp-app .left_col {
  background: var(--erp-sidebar) !important;
  transition: width var(--erp-transition), transform var(--erp-transition);
  box-shadow: 4px 0 24px rgba(0,0,0,0.15);
}
body.erp-app .nav_title {
  background: linear-gradient(135deg, #1e1b4b, #312e81) !important;
  border: none !important;
  padding: 1rem !important;
}
body.erp-app .nav_title .site_title {
  font-weight: 700 !important;
  font-size: 1rem !important;
  color: #fff !important;
}
body.erp-app .side-menu > li > a {
  color: #cbd5e1 !important;
  border-radius: 10px;
  margin: 2px 8px;
  padding: 10px 14px !important;
  transition: all var(--erp-transition);
}
body.erp-app .side-menu > li > a:hover,
body.erp-app .side-menu > li.active > a {
  background: var(--erp-sidebar-hover) !important;
  color: #fff !important;
}
body.erp-app .side-menu .child_menu li a {
  color: #94a3b8 !important;
  border-radius: 8px;
  transition: all var(--erp-transition);
}
body.erp-app .side-menu .child_menu li a:hover {
  color: var(--erp-accent) !important;
  background: rgba(6,182,212,0.1) !important;
}

body.erp-app .top_nav {
  background: var(--erp-surface) !important;
  border-bottom: 1px solid #e2e8f0;
  box-shadow: 0 2px 12px rgba(15,23,42,0.04);
}
body.erp-app .nav_menu {
  background: transparent !important;
}
body.erp-app .right_col {
  background: var(--erp-bg) !important;
  padding: 1.5rem !important;
  min-height: calc(100vh - 60px);
  animation: erp-fade-in 0.4s ease-out;
}

/* ── Stat cards ── */
.erp-stat-card {
  background: var(--erp-surface);
  border-radius: var(--erp-radius);
  padding: 1.25rem 1.5rem;
  box-shadow: var(--erp-shadow);
  border: 1px solid #e2e8f0;
  transition: transform var(--erp-transition), box-shadow var(--erp-transition);
  position: relative;
  overflow: hidden;
}
.erp-stat-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 4px; height: 100%;
  border-radius: 4px 0 0 4px;
}
.erp-stat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--erp-shadow-lg);
}
.erp-stat-card.primary::before { background: var(--erp-primary); }
.erp-stat-card.success::before { background: var(--erp-success); }
.erp-stat-card.warning::before { background: var(--erp-warning); }
.erp-stat-card.danger::before { background: var(--erp-danger); }
.erp-stat-card.info::before { background: var(--erp-accent); }

.erp-stat-card .stat-icon {
  width: 48px; height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
}
.erp-stat-card.primary .stat-icon { background: rgba(79,70,229,0.12); color: var(--erp-primary); }
.erp-stat-card.success .stat-icon { background: rgba(16,185,129,0.12); color: var(--erp-success); }
.erp-stat-card.warning .stat-icon { background: rgba(245,158,11,0.12); color: var(--erp-warning); }
.erp-stat-card.danger .stat-icon { background: rgba(239,68,68,0.12); color: var(--erp-danger); }
.erp-stat-card.info .stat-icon { background: rgba(6,182,212,0.12); color: var(--erp-accent); }

.erp-stat-card .stat-value {
  font-size: 1.75rem;
  font-weight: 700;
  line-height: 1.2;
  color: var(--erp-text);
}
.erp-stat-card .stat-value a { color: inherit; text-decoration: none; }
.erp-stat-card .stat-value a:hover { color: var(--erp-primary); }
.erp-stat-card .stat-label {
  font-size: 0.8rem;
  color: var(--erp-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

/* ── Content cards ── */
.erp-card {
  background: var(--erp-surface);
  border-radius: var(--erp-radius);
  box-shadow: var(--erp-shadow);
  border: 1px solid #e2e8f0;
  overflow: hidden;
  transition: box-shadow var(--erp-transition);
}
.erp-card:hover { box-shadow: var(--erp-shadow-lg); }
.erp-card-header {
  padding: 1rem 1.25rem;
  border-bottom: 1px solid #e2e8f0;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}
.erp-card-body { padding: 1.25rem; }

/* ── Tables ── */
body.erp-app table.dataTable {
  border-radius: var(--erp-radius);
  overflow: hidden;
}
body.erp-app .table > thead {
  background: linear-gradient(135deg, #f8fafc, #f1f5f9);
}

/* ── Forms ── */
body.erp-app .form-control,
body.erp-app .form-select {
  border-radius: 10px;
  border: 1.5px solid #e2e8f0;
  transition: border-color var(--erp-transition), box-shadow var(--erp-transition);
}
body.erp-app .form-control:focus,
body.erp-app .form-select:focus {
  border-color: var(--erp-primary);
  box-shadow: 0 0 0 3px rgba(79,70,229,0.12);
}
body.erp-app .btn-primary {
  background: var(--erp-primary);
  border-color: var(--erp-primary);
  border-radius: 10px;
  font-weight: 600;
}
body.erp-app .btn-primary:hover {
  background: var(--erp-primary-dark);
  border-color: var(--erp-primary-dark);
}

/* ── Footer ── */
body.erp-app footer {
  background: var(--erp-surface) !important;
  border-top: 1px solid #e2e8f0;
  color: var(--erp-muted) !important;
  padding: 1rem !important;
}

/* ── Responsive sidebar ── */
@media (max-width: 991px) {
  body.erp-app.nav-sm .left_col,
  body.erp-app .left_col {
    transform: translateX(-100%);
    position: fixed;
    z-index: 9999;
    height: 100vh;
  }
  body.erp-app.sidebar-open .left_col {
    transform: translateX(0);
  }
}

/* Stagger animation for dashboard cards */
.erp-animate-in {
  animation: erp-slide-up 0.5s ease-out backwards;
}
.erp-animate-in:nth-child(1) { animation-delay: 0.05s; }
.erp-animate-in:nth-child(2) { animation-delay: 0.1s; }
.erp-animate-in:nth-child(3) { animation-delay: 0.15s; }
.erp-animate-in:nth-child(4) { animation-delay: 0.2s; }
.erp-animate-in:nth-child(5) { animation-delay: 0.25s; }
.erp-animate-in:nth-child(6) { animation-delay: 0.3s; }

/* ── Shortcut action buttons ── */
.erp-shortcut-grid .btn {
  border-radius: 14px !important;
  border: none;
  box-shadow: var(--erp-shadow);
  transition: transform var(--erp-transition), box-shadow var(--erp-transition);
  font-weight: 600;
}
.erp-shortcut-grid .btn:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: var(--erp-shadow-lg);
}
.erp-shortcut-grid .button2 {
  min-height: 90px;
}