:root {
  --radius: 12px;
  --radius-sm: 10px;
}

.surface {
  background: var(--bg-surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  padding: 20px 24px;
  box-shadow: none;
}

.surface-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}

.divider {
  height: 1px;
  background: var(--border-soft);
  margin: 16px 0;
}

@media (max-width: 768px) {
  .surface {
    padding: 16px;
  }

  .surface-header {
    margin-bottom: 12px;
  }
}

.app-container {
  background: var(--bg-app);
}

.sidebar {
  width: 260px;
}

.main-content {
  margin-left: 0;
}

@media (max-width: 992px) {
  .main-content {
    margin-left: 0;
  }
}

.topbar {
  height: 64px;
  padding: 0 24px;
  background: var(--bg-glass);
  border-bottom: 1px solid var(--border-soft);
  box-shadow: none;
  backdrop-filter: blur(10px);
}

.topbar .breadcrumb,
.topbar .topbar-actions {
  max-width: 1440px;
}

.content-container {
  max-width: 1440px;
  margin: 0 auto;
  padding: 24px;
  width: 100%;
}

@media (max-width: 768px) {
  .content-container {
    padding: 16px;
  }
}

.dashboard-page {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.stats-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-bottom: 0;
}

.gauges-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0;
  margin: 0;
}

.gauges-grid .gauge-card {
  padding: 16px;
  border-right: 1px solid var(--border-soft);
}

.gauges-grid .gauge-card:nth-child(5n) {
  border-right: none;
}

@media (max-width: 1279px) {
  .stats-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .gauges-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .gauges-grid .gauge-card {
    border-right: 1px solid var(--border-soft);
  }
  .gauges-grid .gauge-card:nth-child(2n) {
    border-right: none;
  }
}

@media (max-width: 767px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }
  .gauges-grid {
    grid-template-columns: 1fr;
  }
  .gauges-grid .gauge-card {
    border-right: none;
  }
}

.card,
.table-container,
.modal-content,
.form-card,
.toast,
.alert {
  background: var(--bg-surface);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius);
  box-shadow: none;
}

.card {
  margin-bottom: 24px;
}

.card .table-container {
  border: none;
  border-radius: 0 0 var(--radius) var(--radius);
}

.card-header,
.card-body,
.card-footer {
  padding: 20px 24px;
}

@media (max-width: 768px) {
  .card-header,
  .card-body,
  .card-footer {
    padding: 16px;
  }
}

.card-header {
  border-bottom: 1px solid var(--border-soft);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  border-radius: var(--radius) var(--radius) 0 0;
}

.table-container {
  padding: 0;
  overflow-x: auto;
}

.table {
  margin-bottom: 0;
}

.table th {
  background: #F8FAFC;
  border-bottom: 1px solid var(--border-soft);
  font-weight: 600;
}

.table td,
.table th {
  padding: 12px 16px;
  border-bottom: 1px solid var(--border-soft);
}

.table tbody tr:hover {
  background: #F1F5F9;
  transform: none;
}

.btn,
.form-control,
.form-select,
select,
input[type='text'],
input[type='password'],
input[type='email'],
textarea {
  border-radius: var(--radius-sm);
  min-height: 40px;
}

.form-control,
.form-select,
select,
textarea,
input[type='text'],
input[type='password'],
input[type='email'] {
  background: var(--bg-surface);
  border: 1px solid var(--border-soft);
  color: var(--text-main);
  padding: 10px 12px;
}

.form-control::placeholder,
.form-select::placeholder,
textarea::placeholder {
  color: var(--text-muted);
}

.form-control:focus,
.form-select:focus,
select:focus,
textarea:focus,
input[type='text']:focus,
input[type='password']:focus,
input[type='email']:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
  color: var(--text-main);
  caret-color: var(--primary);
}

.form-control.error {
  border-color: var(--danger);
  background: rgba(220, 38, 38, 0.08);
}

.btn {
  min-height: 40px;
  border-radius: var(--radius-sm);
}

.btn-group .btn {
  min-height: 36px;
}

.badge {
  border-radius: 999px;
}

.modal-content {
  background: var(--bg-surface);
  border: 1px solid var(--border-strong);
  border-radius: 14px;
  box-shadow: var(--shadow-soft);
}

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

.nav-item {
  border-radius: 10px;
  margin: 2px 10px;
  padding: 10px 14px;
}

.nav-item.active::before {
  border-radius: 10px 0 0 10px;
}

.chart-card {
  height: 100%;
}

.chart-area {
  height: 280px;
}

@media (max-width: 1024px) {
  .chart-area {
    height: 240px;
  }
}

@media (max-width: 768px) {
  .chart-area {
    height: 200px;
  }
}

.mini-chart-area {
  height: 96px;
}

@media (max-width: 768px) {
  .mini-chart-area {
    height: 84px;
  }
}

.login-page {
  min-height: 100vh;
  background: var(--bg-app);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.login-container {
  width: 100%;
  max-width: 420px;
}

.login-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-soft);
  border-radius: 14px;
  box-shadow: none;
  overflow: hidden;
  position: relative;
}

.login-header {
  text-align: center;
  padding: 36px 30px 20px;
}

.login-logo i {
  font-size: 40px;
  color: var(--primary);
  background: #F8FAFC;
  width: 72px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 16px;
  margin: 0 auto 18px;
  border: 1px solid var(--border-soft);
  box-shadow: none;
}

.login-header h1 {
  color: var(--text-main);
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 6px;
}

.login-header p,
.login-footer p {
  color: var(--text-muted);
}

.login-form {
  padding: 0 30px 30px;
}

.login-form .form-control {
  padding-left: 48px;
}

.input-group {
  position: relative;
}

.input-icon {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
}

.password-toggle {
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  cursor: pointer;
  z-index: 10;
}

.login-form .form-label {
  color: var(--text-main);
}

.input-icon,
.password-toggle {
  color: var(--text-muted);
}

.input-group:focus-within .input-icon,
.password-toggle:hover {
  color: var(--primary);
}

.login-btn {
  width: 100%;
  padding: 12px 16px;
  background: var(--primary);
  color: white;
  border: none;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  position: relative;
}

.login-btn::before {
  content: none;
}

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

.login-footer {
  text-align: center;
  padding: 18px 30px;
  border-top: 1px solid var(--border-soft);
  background: #F8FAFC;
}

.login-page .alert {
  margin: 20px 30px;
}

.remember-me label {
  color: var(--text-muted);
}

@media (max-width: 480px) {
  .login-card {
    border-radius: 12px;
  }

  .login-header {
    padding: 28px 20px 16px;
  }

  .login-form {
    padding: 0 20px 20px;
  }

  .login-page .alert {
    margin: 16px 20px;
  }
}