@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  --primary: #6366f1;
  /* Indigo */
  --primary-hover: #4f46e5;
  --primary-light: #e0e7ff;
  --bg-body: #f8fafc;
  --bg-card: #ffffff;
  --text-main: #0f172a;
  --text-muted: #64748b;
  --border-color: #e2e8f0;
  --success: #10b981;
  --danger: #ef4444;
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --border-radius: 12px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg-body);
  color: var(--text-main);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
}

/* Authentication Layout */
.auth-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 20px;
  background: linear-gradient(135deg, #f8fafc 0%, #e0e7ff 100%);
}

.auth-wrapper {
  width: 100%;
  max-width: 440px;
  background: var(--bg-card);
  padding: 40px 30px;
  border-radius: 20px;
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(255, 255, 255, 0.8);
  animation: fadeUp 0.5s ease-out forwards;
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(15px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.auth-header {
  text-align: center;
  margin-bottom: 32px;
}

.auth-logo {
  width: 64px;
  height: 64px;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 32px;
  margin-bottom: 16px;
}

.auth-header h1 {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 8px;
  letter-spacing: -0.5px;
}

.auth-header p {
  color: var(--text-muted);
  font-size: 15px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 8px;
}

.form-control {
  width: 100%;
  padding: 13px 16px;
  background: #f8fafc;
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  color: var(--text-main);
  font-size: 15px;
  font-family: inherit;
  transition: all 0.2s ease;
}

.form-control:focus {
  outline: none;
  background: #ffffff;
  border-color: var(--primary);
  box-shadow: 0 0 0 4px var(--primary-light);
}

.form-control::placeholder {
  color: #94a3b8;
}

.btn-primary {
  width: 100%;
  padding: 14px;
  background: var(--primary);
  color: white;
  border: none;
  border-radius: var(--border-radius);
  font-size: 16px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: background 0.2s ease, transform 0.1s ease;
  margin-top: 8px;
  box-shadow: 0 4px 6px -1px rgba(99, 102, 241, 0.3);
}

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

.btn-primary:active {
  transform: scale(0.98);
}

.alert {
  padding: 12px 16px;
  border-radius: var(--border-radius);
  margin-bottom: 24px;
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 500;
}

.alert-danger {
  background: #fef2f2;
  border: 1px solid #fecaca;
  color: var(--danger);
}

/* Base App Layout - Scaffolding for Next Steps */
.app-container {
  display: flex;
  height: 100vh;
  overflow: hidden;
}

.sidebar {
  width: 260px;
  background: var(--bg-card);
  border-right: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  transition: transform 0.3s ease;
  z-index: 40;
}

.main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow-y: auto;
  background: var(--bg-body);
}

.topbar {
  height: 70px;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  position: sticky;
  top: 0;
  z-index: 30;
}

.page-wrapper {
  padding: 24px;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

/* Mobile Responsiveness */
@media (max-width: 768px) {
  .auth-wrapper {
    padding: 30px 20px;
  }

  .sidebar {
    position: fixed;
    height: 100%;
    transform: translateX(-100%);
  }

  .sidebar.open {
    transform: translateX(0);
  }

  .page-wrapper {
    padding: 16px;
  }
}

/* DataTables V3 Overrides & Fixes */
.dataTables_wrapper .row {
  display: flex !important;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  margin: 0;
  flex-wrap: wrap;
}

.dataTables_wrapper .col-md-5,
.dataTables_wrapper .col-md-7,
.dataTables_wrapper .col-sm-12,
.dataTables_wrapper .col-md-6 {
  padding: 0 !important;
  width: auto !important;
  flex: 0 0 auto !important;
  max-width: 100% !important;
}

.dataTables_wrapper .dataTables_paginate {
  padding-top: 15px !important;
  display: flex !important;
  justify-content: flex-end;
  align-items: center;
  gap: 4px;
}

.dataTables_wrapper .dataTables_paginate .paginate_button {
  padding: 6px 12px !important;
  border-radius: 6px !important;
  border: 1px solid var(--border-color) !important;
  background: white !important;
  color: var(--text-main) !important;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  margin: 0 !important;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.dataTables_wrapper .dataTables_paginate .paginate_button:hover {
  background: var(--bg-body) !important;
  color: var(--primary) !important;
  border-color: var(--primary-light) !important;
}

.dataTables_wrapper .dataTables_paginate .paginate_button.current,
.dataTables_wrapper .dataTables_paginate .paginate_button.current:hover {
  background: var(--primary) !important;
  color: white !important;
  border-color: var(--primary) !important;
}

.dataTables_wrapper .dataTables_info {
  padding-top: 15px !important;
  font-size: 14px;
  color: var(--text-muted);
}

.dataTables_wrapper .dataTables_filter {
  margin-bottom: 20px;
}

.dataTables_wrapper .dataTables_filter input {
  padding: 8px 16px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  outline: none;
  font-family: 'Inter', sans-serif;
  margin-left: 8px;
  transition: 0.2s border;
}

.dataTables_wrapper .dataTables_filter input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-light);
}

.dataTables_wrapper .dataTables_length select {
  padding: 6px 30px 6px 12px;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  outline: none;
  font-family: inherit;
  margin: 0 8px;
}

table.dataTable td.dataTables_empty {
  padding: 30px !important;
  text-align: center;
  color: var(--text-muted);
  font-size: 14px;
  background: #f8fafc;
}

/* Global V3 Action Buttons for DataTables */
.btn-edit { background: #e0e7ff; color: #4f46e5; border: none; padding: 6px 12px; border-radius: 6px; font-weight: 600; font-size: 13px; cursor: pointer; transition: 0.2s; display: inline-flex; align-items: center; gap: 4px; box-shadow: none; }
.btn-edit:hover { background: #c7d2fe; }
.btn-delete { background: #fee2e2; color: #dc2626; border: none; padding: 6px 12px; border-radius: 6px; font-weight: 600; font-size: 13px; cursor: pointer; transition: 0.2s; display: inline-flex; align-items: center; gap: 4px; box-shadow: none; }
.btn-delete:hover { background: #fecaca; }
.btn-activate { background: #dcfce7; color: #16a34a; border: none; padding: 6px 12px; border-radius: 6px; font-weight: 600; font-size: 13px; cursor: pointer; transition: 0.2s; display: inline-flex; align-items: center; gap: 4px; box-shadow: none; }
.btn-activate:hover { background: #bbf7d0; }
.btn-deactivate { background: #fef3c7; color: #d97706; border: none; padding: 6px 12px; border-radius: 6px; font-weight: 600; font-size: 13px; cursor: pointer; transition: 0.2s; display: inline-flex; align-items: center; gap: 4px; box-shadow: none; }
.btn-deactivate:hover { background: #fde68a; }