:root{
  --bg:#f8f9fa;
  --card-bg:#ffffff;
  --text:#212529;
  --muted:#6c757d;
  --primary:#0d6efd;
  --input-border: #ced4da;
  --input-bg: #ffffff;
  --border-color: #dee2e6;
}
.dark-mode{
  --bg:#1a1a1d;
  --card-bg:#2d2d30;
  --text:#e0e0e0;
  --muted:#a0a0a0;
  --primary:#5a9fd4;
  --input-border: #4a4a4d;
  --input-bg: #3d3d40;
  --border-color: #404043;
}

/* Follow system color scheme by default when available */
@media (prefers-color-scheme: dark) {
  :root{
    --bg:#1a1a1d;
    --card-bg:#2d2d30;
    --text:#e0e0e0;
    --muted:#a0a0a0;
    --primary:#5a9fd4;
    --input-border: #4a4a4d;
    --input-bg: #3d3d40;
    --border-color: #404043;
  }
}

html,body{height:100%;}
body{
  background:var(--bg) fixed;
  color:var(--text);
  margin:0;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
body{transition:background-color .18s ease, color .18s ease}

/* Ensure dark-mode variables apply site-wide when body has class */
body.dark-mode{
  background:var(--bg) fixed;
  color:var(--text);
}

.navbar{
  background:var(--primary) !important;
}

/* Navbar text contrast */
body.dark-mode .navbar, body.dark-mode .navbar-brand, body.dark-mode .navbar .nav-link {
  background:var(--primary) !important;
  color:var(--card-bg) !important;
}

/* Table rows/cards use card background for both light and dark */
.table tbody tr{
  background: var(--card-bg);
  color: var(--text);
  border-bottom: 1px solid var(--border-color);
}

.table td, .table th {
  background: transparent;
  color: var(--text);
  padding: 0.75rem;
}

/* Hover and borders */
.table tbody tr:hover{
  background-color: var(--bg);
  box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}
body.dark-mode .table tbody tr:hover{
  background-color: var(--card-bg);
  box-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

/* Form controls */
.form-control{
  display:block;
  width:100%;
  box-sizing:border-box;
  background: var(--input-bg);
  color: var(--text);
  border: 1px solid var(--input-border);
  border-radius: 6px;
  padding: 0.5rem 0.75rem;
  font-size: 1rem;
  transition: box-shadow .15s ease, border-color .15s ease, background-color .15s ease;
}
.form-control:focus{
  outline: none;
  box-shadow: 0 0 0 0.2rem rgba(13,110,253,0.25);
  border-color: var(--primary);
}
body.dark-mode .form-control{
  color: #000000 !important;
  background-color: #e0e0e0 !important;
  border-color: #cccccc !important;
}
body.dark-mode .form-control::placeholder{
  color: #555555 !important;
}
body.dark-mode .form-control:focus{
  background-color: #f0f0f0 !important;
  border-color: var(--primary) !important;
  box-shadow: 0 0 0 0.2rem rgba(90,159,212,0.25);
  color: #000000 !important;
}

/* Buttons */
.btn {
  color: #ffffff;
  font-weight: 500;
  padding: 0.5rem 1rem;
}
.btn-primary {
  background-color: var(--primary);
  border-color: var(--primary);
}
.btn-primary:hover {
  background-color: var(--primary);
  filter: brightness(1.1);
}
.btn-success {
  background-color: #198754;
  border-color: #198754;
  color: #ffffff;
}
.btn-success:hover {
  background-color: #157347;
  border-color: #157347;
}
body.dark-mode .btn-success {
  background-color: #2da44e;
  border-color: #2da44e;
}
body.dark-mode .btn-success:hover {
  background-color: #2c974b;
  border-color: #2c974b;
}
.btn-danger {
  background-color: #dc3545;
  border-color: #dc3545;
  color: #ffffff;
}
.btn-danger:hover {
  background-color: #bb2d3b;
  border-color: #bb2d3b;
}
body.dark-mode .btn-danger {
  background-color: #da3633;
  border-color: #da3633;
}
body.dark-mode .btn-danger:hover {
  background-color: #b62324;
  border-color: #b62324;
}
.btn-outline-primary {
  color: var(--primary);
  border-color: var(--primary);
}
.btn-outline-primary:hover {
  background-color: var(--primary);
  color: #ffffff;
}
body.dark-mode .btn-outline-primary {
  color: var(--primary);
  border-color: var(--primary);
}
body.dark-mode .btn-outline-primary:hover {
  background-color: var(--primary);
  color: #ffffff;
}
.btn-secondary {
  background-color: #6c757d;
  border-color: #6c757d;
  color: #ffffff;
}
.btn-secondary:hover {
  background-color: #5c636a;
  border-color: #5c636a;
}
body.dark-mode .btn-secondary {
  background-color: #4a4a4d;
  border-color: #4a4a4d;
}
body.dark-mode .btn-secondary:hover {
  background-color: #5a5a5d;
  border-color: #5a5a5d;
}

.table{
  background:transparent;
  color:var(--text);
}

.table-responsive, main {
  background: transparent;
}

.card-like-row {
  background: var(--card-bg);
}

.table thead th{
  color:var(--text);
}

.btn-outline-light{
  color:var(--card-bg);
  border-color: rgba(255,255,255,0.12);
}

.dark-mode .btn-outline-light{
  color:var(--card-bg);
}

/* Mobile: convert table into stacked cards */
@media (max-width: 1000px){
  table, thead, tbody, th, td, tr { display: block; }
  thead { display: none; }
  tr {
    margin-bottom: 0.75rem;
    border: 1px solid var(--border-color);
    padding: 0.75rem;
    background: var(--card-bg);
    border-radius: 0.5rem;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
  }
  body.dark-mode tr {
    box-shadow: 0 1px 3px rgba(0,0,0,0.3);
  }
  /* make each cell a label/value row to avoid overlap */
  td {
    border: none;
    position: relative;
    padding: 0.5rem 0;
    white-space: normal;
    display: flex;
    gap: 0.75rem;
    align-items: flex-start;
  }
  td:before {
    content: attr(data-label);
    font-weight: 600;
    color: var(--muted);
    flex: 0 0 40%;
    max-width: 40%;
  }
  /* value area should wrap and take remaining space */
  td > * { flex: 1 1 auto; }
  td:last-child {
    padding-top: 0.75rem;
    padding-left: 0;
    display: flex;
    justify-content: flex-end;
    gap: 0.5rem;
  }
  .btn { font-size: 0.9rem; }
}