:root {
  --app-bg: #f4f6f8;
  --app-surface: #ffffff;
  --app-surface-soft: #f9fafb;
  --app-border: #d7dde5;
  --app-border-strong: #b8c2cf;
  --app-text: #1d2733;
  --app-muted: #5f6f82;
  --app-primary: #0b63b6;
  --app-primary-dark: #084f93;
  --app-primary-soft: #eaf3fc;
  --app-primary-contrast: #ffffff;
  --app-danger: #b42318;
  --app-danger-soft: #fff1f0;
  --app-warning: #a15c00;
  --app-warning-soft: #fff7e6;
  --app-success: #107c41;
  --app-success-soft: #edf7f0;
  --app-shadow: 0 1px 2px rgba(15, 23, 42, 0.05);
  --app-heading: #111827;
  --app-link-text: #334155;
  --app-control-bg: #ffffff;
  --app-control-placeholder: #8a98aa;
  --app-table-head: #f1f4f8;
  --app-table-border: #e5e9ef;
  --app-table-hover: #f8fbff;
  --app-progress-bg: #e6ebf1;
  --app-ranking-bg: #e7edf4;
  --app-session-bg: #f1f4f8;
  --app-session-text: #44546a;
  --app-login-panel: rgba(255, 255, 255, 0.95);
  --app-login-border: rgba(15, 39, 66, 0.08);
  --app-login-card-bg: rgba(255, 255, 255, 0);
  --app-login-card-control: #fbfdff;
  --app-login-shadow: 0 28px 56px rgba(18, 40, 66, 0.12);
  --app-dropdown-shadow: 0 10px 28px rgba(15, 23, 42, 0.12);
  --app-focus-ring: rgba(11, 99, 182, 0.28);
  --app-control-focus-ring: rgba(11, 99, 182, 0.13);
  color-scheme: light;
}

:root[data-theme="dark"] {
  --app-bg: #0d1420;
  --app-surface: #141d2b;
  --app-surface-soft: #101826;
  --app-border: #2a3648;
  --app-border-strong: #3b4a60;
  --app-text: #e5edf7;
  --app-muted: #aebccd;
  --app-primary: #79baff;
  --app-primary-dark: #a8d3ff;
  --app-primary-soft: rgba(90, 167, 244, 0.16);
  --app-primary-contrast: #06111f;
  --app-danger: #ff8b82;
  --app-danger-soft: rgba(255, 139, 130, 0.14);
  --app-warning: #ffd166;
  --app-warning-soft: rgba(255, 209, 102, 0.14);
  --app-success: #6ee7a8;
  --app-success-soft: rgba(110, 231, 168, 0.14);
  --app-shadow: 0 1px 2px rgba(0, 0, 0, 0.28);
  --app-heading: #f4f8ff;
  --app-link-text: #e0e8f2;
  --app-control-bg: #0f1724;
  --app-control-placeholder: #6f7f93;
  --app-table-head: #101a29;
  --app-table-border: #263346;
  --app-table-hover: rgba(90, 167, 244, 0.08);
  --app-progress-bg: #263346;
  --app-ranking-bg: #263346;
  --app-session-bg: #101826;
  --app-session-text: #c5d2e1;
  --app-login-panel: rgba(20, 29, 43, 0.96);
  --app-login-border: rgba(215, 225, 238, 0.1);
  --app-login-card-bg: #111a28;
  --app-login-card-control: #101826;
  --app-login-shadow: 0 28px 56px rgba(0, 0, 0, 0.34);
  --app-dropdown-shadow: 0 10px 28px rgba(0, 0, 0, 0.34);
  --app-focus-ring: rgba(90, 167, 244, 0.32);
  --app-control-focus-ring: rgba(90, 167, 244, 0.18);
  color-scheme: dark;
}

html {
  min-height: 100%;
}

body {
  background: var(--app-bg);
  color: var(--app-text);
  font-family: "Manrope", system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  font-size: 14px;
  line-height: 1.45;
  min-height: 100%;
}

.auth-body {
  background:
    radial-gradient(circle at top right, rgba(64, 128, 190, 0.1), transparent 22%),
    linear-gradient(180deg, #eef3f9 0%, #f6f8fc 100%);
}

:root[data-theme="dark"] .auth-body {
  background:
    radial-gradient(circle at top right, rgba(90, 167, 244, 0.14), transparent 24%),
    linear-gradient(180deg, #0d1420 0%, #111a28 100%);
}

a {
  color: var(--app-primary);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

:focus-visible {
  outline: 3px solid var(--app-focus-ring);
  outline-offset: 2px;
}

.text-muted,
.form-text {
  color: var(--app-muted) !important;
}

.app-navbar {
  background: var(--app-surface);
  border-bottom: 1px solid var(--app-border);
  box-shadow: var(--app-shadow);
  min-height: 64px;
}

.navbar-brand {
  color: var(--app-text);
  display: flex;
  flex-direction: column;
  gap: 2px;
  line-height: 1.1;
  max-width: 420px;
  padding-bottom: 0.45rem;
  padding-top: 0.45rem;
}

.navbar-brand:hover,
.navbar-brand:focus,
.nav-link {
  color: var(--app-text);
}

.brand-title {
  font-size: 0.98rem;
  font-weight: 750;
  letter-spacing: 0;
}

.brand-subtitle {
  color: var(--app-muted);
  font-size: 0.76rem;
  font-weight: 500;
}

.navbar-toggler {
  border-color: var(--app-border);
}

.navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%2829, 39, 51, 0.85%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

:root[data-theme="dark"] .navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28229, 237, 247, 0.85%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

.nav-link {
  border-radius: 6px;
  color: var(--app-link-text);
  font-size: 0.92rem;
  font-weight: 650;
  margin: 0 0.1rem;
  padding: 0.55rem 0.72rem;
}

.nav-link:hover,
.nav-link:focus {
  background: var(--app-primary-soft);
  color: var(--app-primary);
}

.user-area {
  align-items: center;
  color: var(--app-muted);
  display: flex;
  gap: 0.65rem;
}

.theme-switch {
  align-items: center;
  background: var(--app-surface-soft);
  border: 1px solid var(--app-border);
  border-radius: 999px;
  display: inline-flex;
  gap: 0.45rem;
  margin: 0;
  min-height: 32px;
  padding: 0.25rem 0.65rem;
  white-space: nowrap;
}

.theme-switch .form-check-input {
  cursor: pointer;
  margin: 0;
}

.theme-switch .form-check-label {
  color: var(--app-link-text);
  cursor: pointer;
  font-size: 0.78rem;
  font-weight: 750;
}

.session-countdown {
  align-items: center;
  background: var(--app-session-bg);
  border: 1px solid var(--app-border);
  border-radius: 999px;
  color: var(--app-session-text);
  display: inline-flex;
  font-size: 0.78rem;
  font-weight: 750;
  min-height: 32px;
  padding: 0.25rem 0.65rem;
  white-space: nowrap;
}

.session-countdown-warning {
  background: var(--app-warning-soft);
  border-color: var(--app-warning);
  color: var(--app-warning);
}

.session-countdown-critical {
  background: var(--app-danger-soft);
  border-color: var(--app-danger);
  color: var(--app-danger);
}

.user-avatar {
  align-items: center;
  border-color: var(--app-border);
  color: var(--app-text);
  display: inline-flex;
  gap: 0.5rem;
  min-height: 42px;
  padding: 0.35rem 0.65rem;
}

.avatar-circle {
  align-items: center;
  background: var(--app-primary-soft);
  border: 1px solid var(--app-border-strong);
  border-radius: 50%;
  color: var(--app-primary);
  display: inline-flex;
  font-weight: 700;
  height: 28px;
  justify-content: center;
  text-transform: uppercase;
  width: 28px;
}

.user-label {
  color: var(--app-link-text);
  font-size: 0.88rem;
  font-weight: 600;
}

.keyboard-main-menu .nav-item {
  border-radius: 6px;
}

.keyboard-main-menu .nav-item.active .nav-link,
.keyboard-main-menu .nav-item:focus-visible .nav-link {
  background: var(--app-primary-soft);
  color: var(--app-primary);
}

.keyboard-dropdown {
  background: var(--app-surface);
  border: 1px solid var(--app-border);
  border-radius: 8px;
  box-shadow: var(--app-dropdown-shadow);
  display: none;
  min-width: 240px;
  padding: 0.35rem;
  position: absolute;
  z-index: 1050;
}

.keyboard-dropdown .dropdown-item.active {
  background: var(--app-primary);
  color: var(--app-primary-contrast);
}

.dropdown-menu {
  background: var(--app-surface);
  border-color: var(--app-border);
  border-radius: 8px;
  box-shadow: var(--app-dropdown-shadow);
  font-size: 0.92rem;
  padding: 0.35rem;
}

.dropdown-item {
  border-radius: 6px;
  color: var(--app-link-text);
  font-weight: 600;
  padding: 0.48rem 0.7rem;
}

.dropdown-item:hover,
.dropdown-item:focus {
  background: var(--app-primary-soft);
  color: var(--app-primary);
}

.dropdown-divider {
  border-color: var(--app-border);
}

.dropdown-header {
  color: var(--app-muted);
}

.page-header {
  align-items: flex-start;
  display: flex;
  gap: 1rem;
  justify-content: space-between;
  padding-top: 0.15rem;
}

.page-header h1 {
  color: var(--app-heading);
  font-size: 1.55rem;
  font-weight: 750;
  letter-spacing: 0;
}

.page-header p {
  font-size: 0.92rem;
}

.card {
  background: var(--app-surface);
  border: 1px solid var(--app-border);
  border-radius: 8px;
  color: var(--app-text);
  box-shadow: var(--app-shadow);
  --bs-card-bg: var(--app-surface);
  --bs-card-border-color: var(--app-border);
  --bs-card-color: var(--app-text);
}

.card-body {
  padding: 1.15rem;
}

.card-footer {
  background: var(--app-surface-soft);
  border-top: 1px solid var(--app-border);
  color: var(--app-text);
  padding: 0.85rem 1.15rem;
}

.card h2,
.card .h5 {
  color: var(--app-heading);
  font-weight: 730;
}

.card .text-muted.small {
  color: var(--app-muted) !important;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
}

.row.g-3 > [class*="col-"] > .card {
  height: 100%;
}

.btn {
  border-radius: 6px;
  font-size: 0.9rem;
  font-weight: 650;
  min-height: 38px;
  padding: 0.45rem 0.8rem;
}

.btn-primary {
  background: var(--app-primary);
  border-color: var(--app-primary);
  color: var(--app-primary-contrast);
}

.btn-primary:hover,
.btn-primary:focus {
  background: var(--app-primary-dark);
  border-color: var(--app-primary-dark);
  color: var(--app-primary-contrast);
}

.btn-outline-secondary {
  border-color: var(--app-border-strong);
  color: var(--app-link-text);
}

.btn-outline-secondary:hover,
.btn-outline-secondary:focus {
  background: var(--app-surface-soft);
  border-color: var(--app-border-strong);
  color: var(--app-heading);
}

.btn-outline-primary {
  border-color: var(--app-primary);
  color: var(--app-primary);
}

.btn-outline-primary:hover,
.btn-outline-primary:focus {
  background: var(--app-primary);
  border-color: var(--app-primary);
  color: var(--app-primary-contrast);
}

.btn-outline-warning {
  border-color: var(--app-warning);
  color: var(--app-warning);
}

.btn-outline-warning:hover,
.btn-outline-warning:focus {
  background: var(--app-warning);
  border-color: var(--app-warning);
  color: #1d2733;
}

.btn-outline-danger {
  border-color: var(--app-danger);
  color: var(--app-danger);
}

.btn-outline-danger:hover,
.btn-outline-danger:focus {
  background: var(--app-danger);
  border-color: var(--app-danger);
  color: #ffffff;
}

.btn-link {
  color: var(--app-primary);
  font-weight: 650;
  min-height: auto;
}

.form-control,
.form-select {
  background-color: var(--app-control-bg);
  border-color: var(--app-border);
  border-radius: 6px;
  color: var(--app-text);
  font-size: 0.94rem;
  min-height: 42px;
}

.form-control:focus,
.form-select:focus {
  border-color: var(--app-primary);
  box-shadow: 0 0 0 0.2rem var(--app-control-focus-ring);
}

.form-control::placeholder {
  color: var(--app-control-placeholder);
}

.form-select[size] {
  min-height: 184px;
  padding: 0.35rem;
}

.form-select[size] option {
  background: var(--app-control-bg);
  color: var(--app-text);
  border-radius: 4px;
  padding: 0.4rem 0.5rem;
}

.form-select[size] option:checked {
  background: var(--app-primary);
  color: var(--app-primary-contrast);
}

.form-control:disabled,
.form-control[readonly],
.form-select:disabled {
  background-color: var(--app-surface-soft);
  color: var(--app-muted);
}

.form-check-input {
  background-color: var(--app-control-bg);
  border-color: var(--app-border-strong);
}

.form-check-input:checked {
  background-color: var(--app-primary);
  border-color: var(--app-primary);
}

.form-label {
  color: var(--app-link-text);
  font-size: 0.86rem;
  font-weight: 600;
  margin-bottom: 0.35rem;
}

hr {
  border-color: var(--app-border);
  opacity: 1;
}

.alert {
  border-radius: 8px;
  border-width: 1px;
  font-size: 0.93rem;
}

.text-success {
  color: var(--app-success) !important;
}

.text-danger {
  color: var(--app-danger) !important;
}

.alert-info {
  background: var(--app-primary-soft);
  border-color: var(--app-border-strong);
  color: var(--app-text);
}

.alert-warning {
  background: var(--app-warning-soft);
  border-color: var(--app-warning);
  color: var(--app-warning);
}

.alert-danger {
  background: var(--app-danger-soft);
  border-color: var(--app-danger);
  color: var(--app-danger);
}

.alert-success {
  background: var(--app-success-soft);
  border-color: var(--app-success);
  color: var(--app-success);
}

:root[data-theme="dark"] .btn-close {
  filter: invert(1) grayscale(100%) brightness(200%);
  opacity: 0.78;
}

.table {
  background: var(--app-surface);
  border-color: var(--app-border);
  color: var(--app-text);
  font-size: 0.9rem;
  margin-bottom: 0;
  --bs-table-bg: var(--app-surface);
  --bs-table-color: var(--app-text);
  --bs-table-border-color: var(--app-table-border);
  --bs-table-hover-bg: var(--app-table-hover);
  --bs-table-hover-color: var(--app-text);
}

.table-shell {
  background: var(--app-surface);
  border: 1px solid var(--app-border);
  border-radius: 8px;
  box-shadow: var(--app-shadow);
  overflow: auto;
}

.table thead th {
  background: var(--app-table-head);
  border-bottom: 1px solid var(--app-border);
  color: var(--app-link-text);
  font-size: 0.74rem;
  font-weight: 750;
  letter-spacing: 0;
  padding-bottom: 0.7rem;
  padding-top: 0.7rem;
  text-transform: uppercase;
}

.table td,
.table th {
  border-color: var(--app-table-border);
  padding: 0.72rem 0.85rem;
  vertical-align: middle;
}

.table-hover tbody tr:hover {
  background: var(--app-table-hover);
}

.table-description {
  max-width: 360px;
}

.badge {
  border-radius: 999px;
  font-size: 0.76rem;
  font-weight: 700;
  padding: 0.35rem 0.55rem;
}

.text-bg-success {
  background-color: var(--app-success-soft) !important;
  color: var(--app-success) !important;
}

.text-bg-secondary {
  background-color: var(--app-surface-soft) !important;
  color: var(--app-muted) !important;
}

.text-bg-warning {
  background-color: var(--app-warning-soft) !important;
  color: var(--app-warning) !important;
}

.text-bg-danger {
  background-color: var(--app-danger-soft) !important;
  color: var(--app-danger) !important;
}

.display-6 {
  color: var(--app-heading);
  font-size: 2rem;
  font-weight: 760;
  line-height: 1;
}

.metric-label {
  color: var(--app-muted);
  display: block;
  font-size: 0.78rem;
  font-weight: 650;
  margin-bottom: 0.22rem;
  text-transform: uppercase;
}

.metric-label + strong {
  color: var(--app-heading);
  font-size: 1.1rem;
}

.limit-card {
  border-left: 4px solid var(--app-primary);
}

.limit-card.limit-moderado {
  border-left-color: var(--app-warning);
}

.limit-card.limit-critico {
  border-left-color: var(--app-danger);
}

.limit-card .progress {
  background: var(--app-progress-bg);
  border-radius: 999px;
  height: 9px;
}

.limit-card.limit-normal .progress-bar {
  background: var(--app-primary);
}

.limit-card.limit-moderado .progress-bar {
  background: var(--app-warning);
}

.limit-card.limit-critico .progress-bar {
  background: var(--app-danger);
}

.detail-list dt {
  color: var(--app-muted);
  font-weight: 700;
}

.ranking-chart {
  display: grid;
  gap: 0.7rem;
}

.ranking-row {
  align-items: center;
  display: grid;
  gap: 0.75rem;
  grid-template-columns: minmax(180px, 1.4fr) minmax(140px, 2fr) 44px;
}

.ranking-label {
  color: var(--app-link-text);
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.ranking-bar-wrap {
  background: var(--app-ranking-bg);
  border-radius: 999px;
  height: 12px;
  overflow: hidden;
}

.ranking-bar {
  background: var(--app-primary);
  border-radius: 999px;
  height: 100%;
  min-width: 6px;
}

.ranking-value {
  color: var(--app-link-text);
  font-weight: 700;
  text-align: right;
}

.btn-group form {
  display: inline-flex;
}

.btn-group form .btn {
  border-radius: 0;
}

.login-shell {
  align-items: center;
  display: flex;
  justify-content: center;
  min-height: calc(100vh - 150px);
}

.login-panel {
  max-width: 440px;
  width: 100%;
}

.auth-main {
  min-height: 100vh;
}

.auth-main > .alert {
  margin: 1rem auto -1rem;
  max-width: 1120px;
  position: relative;
  z-index: 2;
}

.auth-main .login-shell {
  min-height: 100vh;
  padding: 32px;
}

.login-panel-auth {
  background: var(--app-login-panel);
  border: 1px solid var(--app-login-border);
  border-radius: 30px;
  box-shadow: var(--app-login-shadow);
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  max-width: 1120px;
  overflow: hidden;
}

.login-copy {
  background:
    linear-gradient(145deg, rgba(13, 38, 66, 0.98), rgba(32, 84, 134, 0.92)),
    radial-gradient(circle at top left, rgba(255, 255, 255, 0.12), transparent 32%);
  color: #f3f8fd;
  padding: 56px;
}

.login-badge {
  background: rgba(255, 255, 255, 0.12);
  border-radius: 999px;
  display: inline-flex;
  font-size: 0.85rem;
  font-weight: 700;
  padding: 8px 14px;
}

.login-copy h1 {
  font-size: 3rem;
  font-weight: 800;
  letter-spacing: 0;
  margin: 22px 0 12px;
}

.login-copy p {
  color: rgba(243, 248, 253, 0.82);
  font-size: 1rem;
  line-height: 1.6;
  margin: 0;
  max-width: 500px;
}

.login-highlights {
  margin: 24px 0 0;
  padding-left: 18px;
}

.login-highlights li {
  margin-bottom: 10px;
}

.login-footnote {
  border-top: 1px solid rgba(255, 255, 255, 0.16);
  color: rgba(243, 248, 253, 0.64);
  font-size: 0.88rem;
  line-height: 1.6;
  margin-top: 36px;
  max-width: 460px;
  padding-top: 18px;
}

.login-card {
  background: var(--app-login-card-bg);
  color: var(--app-text);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 56px;
}

.login-card h2 {
  color: var(--app-heading);
  font-size: 1.45rem;
  font-weight: 800;
  margin-bottom: 20px;
}

.login-card .form-control {
  background: var(--app-login-card-control);
  border-color: var(--app-border);
  border-radius: 14px;
  min-height: 48px;
}

.login-card .btn-primary {
  background: linear-gradient(135deg, #1f4f82, #2a6eb0);
  border-color: #1f4f82;
  color: #ffffff;
}

.login-card .btn-primary:hover,
.login-card .btn-primary:focus {
  background: linear-gradient(135deg, #173b61, #245b92);
  border-color: #173b61;
  color: #ffffff;
}

.pagination {
  margin-top: 1rem;
}

.page-link {
  background: var(--app-surface);
  border-color: var(--app-border);
  color: var(--app-primary);
  font-weight: 600;
}

.active > .page-link,
.page-link.active {
  background: var(--app-primary);
  border-color: var(--app-primary);
  color: var(--app-primary-contrast);
}

@media (max-width: 768px) {
  body {
    font-size: 13.5px;
  }

  .page-header {
    flex-direction: column;
  }

  .page-header h1 {
    font-size: 1.35rem;
  }

  .navbar-brand {
    max-width: 280px;
  }

  .user-label {
    display: none;
  }

  .session-countdown {
    font-size: 0.74rem;
    min-height: 30px;
    padding-inline: 0.5rem;
  }

  .ranking-row {
    grid-template-columns: 1fr 42px;
  }

  .ranking-bar-wrap {
    grid-column: 1 / -1;
    grid-row: 2;
  }
}

@media (max-width: 992px) {
  .login-panel-auth {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .auth-main .login-shell {
    padding: 18px;
  }

  .login-copy,
  .login-card {
    padding: 26px;
  }

  .login-copy h1 {
    font-size: 2.25rem;
  }
}