body {
  font-size: .875rem;
  background-color: #f8f9fc;
}

.feather {
  width: 16px;
  height: 16px;
  vertical-align: text-bottom;
}

/*
 * Sidebar
 */

.sidebar {
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  z-index: 100; /* Behind the navbar */
  padding: 48px 0 0; /* Height of navbar */
  box-shadow: inset -1px 0 0 rgba(0, 0, 0, .1);
  background-color: #212529;
}

@media (max-width: 767.98px) {
  .sidebar {
    top: 5rem;
  }
}

.sidebar-sticky {
  position: relative;
  top: 0;
  height: calc(100vh - 48px);
  padding-top: .5rem;
  overflow-x: hidden;
  overflow-y: auto; /* Scrollable contents if viewport is shorter than content. */
}

.sidebar .nav-link {
  font-weight: 500;
  color: #c6c8ca;
  padding: .75rem 1rem;
  margin-bottom: .25rem;
  border-radius: .25rem;
}

.sidebar .nav-link:hover {
  color: #fff;
  background-color: rgba(255, 255, 255, .1);
}

.sidebar .nav-link.active {
  color: #fff;
  background-color: #007bff;
}

.sidebar .nav-link .feather {
  margin-right: 4px;
  color: #999;
}

.sidebar .nav-link.active .feather {
  color: inherit;
}

.sidebar-heading {
  font-size: .75rem;
  text-transform: uppercase;
}

/*
 * Navbar
 */

.navbar-brand {
  padding-top: .75rem;
  padding-bottom: .75rem;
  font-size: 1rem;
  background-color: rgba(0, 0, 0, .25);
  box-shadow: inset -1px 0 0 rgba(0, 0, 0, .25);
}

.navbar .navbar-toggler {
  top: .25rem;
  right: 1rem;
}

/*
 * Cards
 */
.border-left-primary {
  border-left: 4px solid #4e73df !important;
}

.border-left-success {
  border-left: 4px solid #1cc88a !important;
}

.border-left-info {
  border-left: 4px solid #36b9cc !important;
}

.border-left-warning {
  border-left: 4px solid #f6c23e !important;
}

/* Chart area */
.chart-area {
  position: relative;
  height: 300px;
  width: 100%;
}

.chart-pie {
  position: relative;
  height: 250px;
  width: 100%;
}

/* Table styles */
.table-responsive {
  max-height: 500px;
  overflow-y: auto;
}

/* Font weights */
.font-weight-bold {
  font-weight: 700 !important;
}

.text-xs {
  font-size: .7rem;
}

.text-gray-800 {
  color: #5a5c69 !important;
}

.text-gray-300 {
  color: #dddfeb !important;
}

/* Login page */
.login-container {
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #f8f9fc;
}

.login-form {
  width: 100%;
  max-width: 400px;
  padding: 2rem;
  background-color: #fff;
  border-radius: 0.5rem;
  box-shadow: 0 0.15rem 1.75rem 0 rgba(58, 59, 69, 0.15);
}

.login-logo {
  text-align: center;
  margin-bottom: 2rem;
}

/* Yükleme durumu overlay'i */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.7);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

/* Veri yok mesajı */
.no-data-message {
    text-align: center;
    padding: 2rem;
    background-color: #f8f9fa;
    border-radius: 0.5rem;
}

/* Hata mesajı animasyonu */
.alert-dismissible {
    animation: fadeIn 0.5s;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}