:root {
  --bg: #0c1118;
  --bg-elev: #141b24;
  --bg-soft: #1a2330;
  --line: rgba(180, 210, 230, 0.12);
  --text: #e8eef4;
  --muted: #8fa3b5;
  --accent: #2dd4a8;
  --accent-2: #f0b429;
  --danger: #ef6b6b;
  --info: #5b9fd4;
  --radius: 14px;
  --sidebar: 260px;
  --font: "DM Sans", system-ui, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  font-family: var(--font);
  background:
    radial-gradient(900px 420px at 12% -10%, rgba(45, 212, 168, 0.12), transparent 55%),
    radial-gradient(700px 380px at 100% 0%, rgba(240, 180, 41, 0.08), transparent 50%),
    var(--bg);
  color: var(--text);
}

a { color: var(--accent); }
a:hover { color: #7aefcf; text-decoration: none; }

.panel-shell {
  display: flex;
  min-height: 100vh;
}

.panel-sidebar {
  width: var(--sidebar);
  flex-shrink: 0;
  background: linear-gradient(180deg, #101820 0%, #0d131b 100%);
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  position: sticky;
  top: 0;
  height: 100vh;
  z-index: 20;
}

.sidebar-brand {
  display: flex;
  gap: 12px;
  align-items: center;
  padding: 22px 18px 18px;
  border-bottom: 1px solid var(--line);
}

.sidebar-brand img {
  width: 48px;
  height: 48px;
  object-fit: contain;
  border-radius: 10px;
  background: transparent;
  padding: 0;
}

.sidebar-brand strong {
  display: block;
  font-size: 15px;
  letter-spacing: 0.01em;
}

.sidebar-brand span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  margin-top: 2px;
}

.sidebar-nav {
  padding: 14px 10px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
  overflow: auto;
}

.sidebar-nav .nav-link {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--muted);
  padding: 11px 12px;
  border-radius: 10px;
  font-weight: 500;
  transition: background .15s ease, color .15s ease;
}

.sidebar-nav .nav-link i {
  width: 18px;
  text-align: center;
  opacity: 0.9;
}

.sidebar-nav .nav-link:hover {
  background: rgba(45, 212, 168, 0.08);
  color: var(--text);
}

.sidebar-nav .nav-link.is-active {
  background: rgba(45, 212, 168, 0.14);
  color: var(--accent);
}

.sidebar-foot {
  padding: 14px 18px 18px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
}

.panel-main {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.panel-topbar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 20px;
  border-bottom: 1px solid var(--line);
  background: rgba(12, 17, 24, 0.72);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 15;
}

.panel-messages {
  flex: 1;
  max-width: 520px;
  margin: 0 auto;
}

.btn-icon {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  color: var(--text);
  width: 40px;
  height: 40px;
  border-radius: 10px;
  cursor: pointer;
}

.btn-logout {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(239, 107, 107, 0.12);
  color: #ffb4b4 !important;
  border: 1px solid rgba(239, 107, 107, 0.28);
  padding: 8px 14px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 13px;
}

.panel-content {
  padding: 22px 20px 40px;
}

.panel-card {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 18px;
}

.panel-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 16px 18px;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.02);
}

.panel-card-header h2 {
  margin: 0;
  font-size: 18px;
  font-weight: 650;
}

.panel-card-header p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 13px;
}

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

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 18px;
}

.stat-tile {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px 18px;
}

.stat-tile span {
  display: block;
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.stat-tile strong {
  display: block;
  margin-top: 6px;
  font-size: 28px;
  font-weight: 700;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}

.form-control, .custom-select, select.form-control {
  background: var(--bg-soft) !important;
  border: 1px solid var(--line) !important;
  color: var(--text) !important;
  border-radius: 10px !important;
  min-height: 42px;
}

.form-control:focus {
  box-shadow: 0 0 0 3px rgba(45, 212, 168, 0.18) !important;
  border-color: rgba(45, 212, 168, 0.5) !important;
}

label, .form-label {
  color: var(--muted);
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 6px;
}

.btn, .btn-info, .btn-primary, .btn-success {
  border-radius: 10px !important;
  font-weight: 600;
  border: none !important;
}

.btn-info, .btn-primary {
  background: var(--accent) !important;
  color: #06251c !important;
}

.btn-danger {
  background: rgba(239, 107, 107, 0.9) !important;
  border: none !important;
  border-radius: 10px !important;
}

.btn-warning, .btn-secondary, .btn-default {
  background: var(--bg-soft) !important;
  color: var(--text) !important;
  border: 1px solid var(--line) !important;
  border-radius: 10px !important;
}

.table, table.dataTable {
  color: var(--text) !important;
  background: transparent !important;
}

.table thead th, table.dataTable thead th {
  border-bottom: 1px solid var(--line) !important;
  color: var(--muted);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  font-weight: 600;
  background: transparent !important;
}

.table td, table.dataTable td {
  border-top: 1px solid var(--line) !important;
  vertical-align: middle !important;
  font-family: var(--mono);
  font-size: 13px;
  background: transparent !important;
  color: var(--text) !important;
}

/* DataTables: remove fundo branco em odd/even e linha vazia */
table.dataTable tbody tr,
table.dataTable tbody tr.odd,
table.dataTable tbody tr.even,
table.dataTable.stripe tbody tr.odd,
table.dataTable.display tbody tr.odd,
table.dataTable.stripe tbody tr.even,
table.dataTable.display tbody tr.even {
  background-color: transparent !important;
}

table.dataTable tbody tr:hover,
table.dataTable.hover tbody tr:hover,
table.dataTable.display tbody tr:hover {
  background-color: rgba(45, 212, 168, 0.08) !important;
}

table.dataTable tbody td.dataTables_empty {
  background: var(--bg-soft) !important;
  color: var(--muted) !important;
  text-align: center !important;
  padding: 28px 16px !important;
  border: none !important;
  font-family: var(--font) !important;
}

.dataTables_wrapper .dataTables_filter input,
.dataTables_wrapper .dataTables_length select {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  color: var(--text);
  border-radius: 8px;
  padding: 4px 8px;
}

.dataTables_wrapper .dataTables_info,
.dataTables_wrapper .dataTables_paginate,
.dataTables_wrapper .dataTables_length,
.dataTables_wrapper .dataTables_filter,
.dataTables_wrapper .dataTables_paginate .paginate_button {
  color: var(--muted) !important;
}

.dataTables_wrapper .dataTables_paginate .paginate_button {
  background: transparent !important;
  border: 1px solid transparent !important;
}

.dataTables_wrapper .dataTables_paginate .paginate_button:hover,
.dataTables_wrapper .dataTables_paginate .paginate_button.current {
  background: var(--bg-soft) !important;
  border-color: var(--line) !important;
  color: var(--text) !important;
}

.modal-content {
  background: var(--bg-elev);
  color: var(--text);
  border: 1px solid var(--line);
  border-radius: 14px;
}

.modal-header, .modal-footer {
  border-color: var(--line);
}

.alert {
  border-radius: 10px;
  border: 1px solid var(--line);
}

.badge-on {
  background: rgba(45, 212, 168, 0.18);
  color: var(--accent);
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
}

.badge-off {
  background: rgba(239, 107, 107, 0.16);
  color: #ffb4b4;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
}

.settings-preview-box {
  width: 100%;
  height: 180px;
  background: rgba(0, 0, 0, 0.28);
  border: 1px dashed var(--line);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.settings-preview-box img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.helper-box {
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px 16px;
  color: var(--muted);
  font-size: 13px;
}

/* Login */
.login-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
  background:
    radial-gradient(800px 400px at 20% 0%, rgba(45, 212, 168, 0.16), transparent 55%),
    radial-gradient(600px 360px at 90% 20%, rgba(240, 180, 41, 0.1), transparent 45%),
    var(--bg);
}

.login-card {
  width: min(420px, 100%);
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 28px 26px 24px;
}

.login-card .brand {
  text-align: center;
  margin-bottom: 22px;
}

.login-card .brand img {
  width: 120px;
  height: 120px;
  object-fit: contain;
  border-radius: 18px;
  background: transparent;
  padding: 0;
  margin-bottom: 12px;
}

.login-card h1 {
  font-size: 22px;
  margin: 0;
}

.login-card .sub {
  color: var(--muted);
  font-size: 13px;
  margin-top: 6px;
}

.login-error {
  background: rgba(239, 107, 107, 0.12);
  border: 1px solid rgba(239, 107, 107, 0.3);
  color: #ffc9c9;
  padding: 10px 12px;
  border-radius: 10px;
  margin-bottom: 14px;
  font-size: 13px;
}

.login-foot {
  margin-top: 18px;
  text-align: center;
  color: var(--muted);
  font-size: 12px;
}

@media (max-width: 900px) {
  .stats-grid { grid-template-columns: 1fr; }
  .panel-sidebar {
    position: fixed;
    left: 0;
    transform: translateX(-105%);
    transition: transform .2s ease;
  }
  #wrapper.toggled .panel-sidebar {
    transform: translateX(0);
  }
}

@media (min-width: 901px) {
  #wrapper.toggled .panel-sidebar {
    margin-left: calc(var(--sidebar) * -1);
  }
}