*, *::before, *::after {
  box-sizing: border-box;
}

html {
  font-family: var(--font-sans);
  font-size: var(--fs-lg);
  background-color: var(--bg);
  color: var(--text);
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
}

a {
  color: inherit;
  text-decoration: none;
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
}

img {
  max-width: 100%;
  display: block;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-2);
  padding: var(--sp-2) var(--sp-4);
  font-size: var(--fs-md);
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast);
}

.button:disabled {
  opacity: 0.6;
  pointer-events: none;
}

.button--primary {
  background: linear-gradient(135deg, var(--brand-500), var(--brand-600));
  color: #fff;
  box-shadow: var(--shadow-1);
}

.button--primary:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-2);
}

.button--secondary {
  background: var(--surface-2);
  border-color: var(--border);
  color: var(--text);
}

.button--secondary:hover {
  background: var(--brand-50);
  border-color: var(--brand-200);
}

.button--danger {
  background: var(--danger);
  color: #fff;
}

.button--ghost {
  background: transparent;
  border-color: transparent;
  color: var(--text-muted);
}

.button--ghost:hover {
  color: var(--text);
  background: var(--surface-2);
}

.input {
  width: 100%;
  padding: var(--sp-3) var(--sp-4);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-size: var(--fs-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.input:focus {
  border-color: var(--brand-400);
  box-shadow: var(--focus-ring);
}

.label {
  display: block;
  margin-bottom: var(--sp-2);
  color: var(--text-muted);
  font-size: var(--fs-sm);
  font-weight: 600;
}

.form {
  display: grid;
  gap: var(--sp-4);
}

.form__grid {
  display: grid;
  gap: var(--sp-4);
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.form__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3);
}

.alert {
  padding: var(--sp-3) var(--sp-4);
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  background: var(--surface-2);
  color: var(--text);
  transition: opacity var(--transition-base);
}

.alert--success { border-color: rgba(34, 197, 94, 0.2); background: rgba(34, 197, 94, 0.12); }
.alert--error { border-color: rgba(239, 68, 68, 0.2); background: rgba(239, 68, 68, 0.12); }
.alert--info { border-color: rgba(14, 165, 233, 0.2); background: rgba(14, 165, 233, 0.12); }

.app-shell {
  display: grid;
  min-height: 100vh;
  grid-template-columns: 260px 1fr;
  background: var(--bg);
}

.app-shell__sidebar {
  background: var(--surface);
  border-right: 1px solid var(--border);
  padding: var(--sp-6) var(--sp-4);
  display: flex;
  flex-direction: column;
  gap: var(--sp-6);
  position: sticky;
  top: 0;
  height: 100vh;
}

.sidebar__brand {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  font-weight: 700;
  font-size: var(--fs-xl);
  color: var(--brand-600);
}

.sidebar__nav {
  display: grid;
  gap: var(--sp-2);
}

.sidebar__nav-button {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-3) var(--sp-3);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  transition: background var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}

.sidebar__nav-button[aria-current="page"],
.sidebar__nav-button:hover {
  background: var(--brand-50);
  color: var(--brand-600);
  transform: translateX(4px);
}

.app-shell__main {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--sp-4) var(--sp-6);
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 10;
}

.topbar__actions {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-2) var(--sp-3);
  border-radius: var(--radius-xs);
  background: var(--surface-2);
  border: 1px solid var(--border);
  cursor: pointer;
  font-size: var(--fs-sm);
  color: var(--text-muted);
  transition: background var(--transition-fast), color var(--transition-fast);
}

.theme-toggle:hover {
  background: var(--brand-50);
  color: var(--brand-600);
}

.page {
  padding: var(--sp-6);
  display: grid;
  gap: var(--sp-6);
}

.page__title {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-3);
}

.page__title h1 {
  margin: 0;
  font-size: var(--fs-2xl);
}

.kpi-grid {
  display: grid;
  gap: var(--sp-4);
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

.kpi-card {
  background: var(--surface);
  border-radius: var(--radius-md);
  border: 1px solid rgba(99, 102, 241, 0.08);
  padding: var(--sp-4);
  box-shadow: var(--shadow-1);
  position: relative;
  overflow: hidden;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.kpi-card::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top right, rgba(99, 102, 241, 0.18), transparent 55%);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.kpi-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-2);
}

.kpi-card:hover::after {
  opacity: 1;
}

.kpi-card__label {
  color: var(--text-muted);
  font-size: var(--fs-sm);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.kpi-card__value {
  font-size: 1.6rem;
  font-weight: 700;
  margin-top: var(--sp-2);
}

.section-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-1);
  padding: var(--sp-4) var(--sp-6);
  display: grid;
  gap: var(--sp-4);
}

.section-card__header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-3);
}

.section-card__title {
  font-size: var(--fs-xl);
  font-weight: 700;
  margin: 0;
}

.table {
  width: 100%;
  border-collapse: collapse;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--surface);
}

.table thead {
  background: var(--surface-2);
  text-transform: uppercase;
  font-size: var(--fs-sm);
  letter-spacing: 0.04em;
}

.table th,
.table td {
  padding: var(--sp-3) var(--sp-4);
  border-bottom: 1px solid var(--border);
  text-align: left;
}

.table tbody tr {
  transition: background var(--transition-fast);
}

.table tbody tr:hover {
  background: rgba(99, 102, 241, 0.08);
}

.table__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
}

.progress-bar {
  display: grid;
  gap: var(--sp-2);
}

.progress-bar__track {
  width: 100%;
  height: 8px;
  border-radius: 999px;
  background: var(--surface-2);
  overflow: hidden;
}

.progress-bar__indicator {
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--brand-400), var(--brand-600));
  transition: width var(--transition-base);
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-1);
  padding: 2px var(--sp-3);
  border-radius: 999px;
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.tag--success {
  background: rgba(34, 197, 94, 0.15);
  color: #15803d;
}

.tag--warning {
  background: rgba(245, 158, 11, 0.15);
  color: #c98a0a;
}

.tag--danger {
  background: rgba(239, 68, 68, 0.18);
  color: #be123c;
}

.tag--info {
  background: rgba(14, 165, 233, 0.18);
  color: #0f4f7a;
}

.filter-bar {
  display: grid;
  gap: var(--sp-3);
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
}

.filter-bar__actions {
  grid-column: 1 / -1;
  display: flex;
  gap: var(--sp-3);
  justify-content: flex-end;
}

.empty-state {
  padding: var(--sp-8);
  text-align: center;
  background: var(--surface-2);
  border-radius: var(--radius-md);
  border: 1px dashed var(--border);
}

.empty-state h3 {
  margin-top: 0;
  font-size: var(--fs-xl);
}

.table-wrapper {
  overflow-x: auto;
}

.badge-counter {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 20px;
  padding: 2px 6px;
  border-radius: 999px;
  background: var(--brand-500);
  color: #fff;
  font-size: var(--fs-xs);
  font-weight: 600;
}

@media (max-width: 1080px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .app-shell__sidebar {
    position: fixed;
    inset: 0 35% 0 0;
    max-width: 320px;
    transform: translateX(-100%);
    transition: transform var(--transition-base);
    z-index: 20;
  }

  .app-shell__sidebar.is-open {
    transform: translateX(0);
  }

  .sidebar__scrim {
    content: '';
  }

  .topbar {
    position: sticky;
    top: 0;
  }
}

@media (max-width: 720px) {
  .topbar {
    padding: var(--sp-3) var(--sp-4);
  }

  .page {
    padding: var(--sp-4);
  }
}

.fade-in {
  animation: fade-in var(--transition-slow) ease;
}

@keyframes fade-in {
  from {
    opacity: 0;
    transform: translateY(4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.auth {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: radial-gradient(circle at top left, rgba(99, 102, 241, 0.28), transparent 55%),
              radial-gradient(circle at bottom right, rgba(6, 182, 212, 0.24), transparent 60%),
              var(--bg);
  padding: var(--sp-6);
}

.auth__layout {
  display: grid;
  gap: 0;
  grid-template-columns: minmax(280px, 480px) minmax(320px, 420px);
  background: rgba(255, 255, 255, 0.55);
  backdrop-filter: blur(24px);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(99, 102, 241, 0.12);
  box-shadow: 0 18px 45px rgba(15, 23, 42, 0.15);
  overflow: hidden;
}

html.theme-dark .auth__layout {
  background: rgba(18, 18, 24, 0.75);
  border-color: rgba(67, 56, 202, 0.25);
}

.auth__panel {
  padding: var(--sp-8);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: var(--sp-4);
}

.auth__panel--hero {
  background: linear-gradient(140deg, rgba(99, 102, 241, 0.95), rgba(79, 70, 229, 0.88));
  color: #fff;
}

.auth-hero {
  display: grid;
  gap: var(--sp-4);
}

.auth-hero__badge {
  align-self: flex-start;
  padding: var(--sp-2) var(--sp-3);
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.22);
  font-size: var(--fs-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.auth-hero__title {
  font-size: 2.1rem;
  line-height: 1.2;
  margin: 0;
}

.auth-hero__subtitle {
  font-size: var(--fs-lg);
  margin: 0;
  opacity: 0.88;
}

.auth-hero__footer {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  color: rgba(255, 255, 255, 0.76);
  font-size: var(--fs-sm);
}

.auth-hero__kpi {
  padding: var(--sp-2) var(--sp-3);
  border-radius: var(--radius-xs);
  background: rgba(15, 23, 42, 0.16);
}

.auth__panel--form {
  background: var(--surface);
  min-width: 320px;
}

.auth-form__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
}

.auth-form__logo {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
}

.logo-mark {
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--brand-400), var(--brand-600));
  box-shadow: 0 10px 22px rgba(99, 102, 241, 0.24);
  position: relative;
}

.logo-mark::after {
  content: '';
  position: absolute;
  inset: 9px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.25);
}

.logo-text {
  display: grid;
  gap: 2px;
}

.logo-text span {
  font-weight: 700;
  font-size: var(--fs-xl);
}

.logo-text small {
  color: var(--text-muted);
  font-size: var(--fs-sm);
}

.auth-form__footer {
  margin-top: var(--sp-4);
  font-size: var(--fs-sm);
  color: var(--text-muted);
}

@media (max-width: 960px) {
  .auth__layout {
    grid-template-columns: 1fr;
  }

  .auth__panel--hero {
    display: none;
  }

  .auth__panel--form {
    padding: var(--sp-6);
  }
}

@media (max-width: 540px) {
  .auth {
    padding: var(--sp-4);
  }

  .auth__panel {
    padding: var(--sp-4);
  }
}

[hidden] {
  display: none !important;
}

.sidebar__footer {
  margin-top: auto;
  display: flex;
  justify-content: center;
}

.topbar__start {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
}

.topbar__titles h1 {
  margin: 0;
  font-size: var(--fs-xl);
}

.topbar__subtitle {
  color: var(--text-muted);
  font-size: var(--fs-sm);
}

.topbar__titles {
  display: grid;
  gap: 2px;
}

@media (max-width: 1080px) {
  .topbar__start {
    gap: var(--sp-3);
  }
}


.table__actions .button {
  padding: var(--sp-2) var(--sp-3);
  font-size: var(--fs-sm);
}
/* Layout containers */
.container {
  width: min(1024px, 100%);
  margin-inline: auto;
  padding-inline: var(--sp-6);
}

.section-split {
  display: grid;
  gap: var(--sp-6);
  grid-template-columns: minmax(360px, 420px) 1fr;
}

@media (max-width: 1080px) {
  .section-split { grid-template-columns: 1fr; }
}

/* Toolbars */
.toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--sp-3);
}

.search-input {
  min-width: 220px;
}

.toolbar__spacer { flex: 1; }

/* Modal */
.modal-backdrop {
  position: fixed; inset: 0; background: rgba(0,0,0,.45);
  display: grid; place-items: center; z-index: 1000;
}
.modal {
  width: min(480px, 92%);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-2);
  padding: var(--sp-4);
}
.modal__title { margin: 0 0 var(--sp-2) 0; font-size: var(--fs-xl); }
.modal__body { color: var(--text-muted); margin-bottom: var(--sp-4); }
.modal__actions { display:flex; gap: var(--sp-3); justify-content:flex-end; }

/* Toasts */
.toast-root {
  position: fixed; top: 16px; right: 16px; z-index: 1100;
  display: grid; gap: var(--sp-2);
}
.toast {
  display: flex; align-items: center; gap: var(--sp-3);
  padding: var(--sp-3) var(--sp-4);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-1);
  animation: fade-in var(--transition-base);
}
.toast--success { border-color: rgba(34,197,94,.35); }
.toast--error { border-color: rgba(239,68,68,.35); }
.toast--info { border-color: rgba(14,165,233,.35); }
.toast__close { margin-left:auto; background:transparent; border:none; cursor:pointer; color:var(--text-muted); }

/* Page spacing */
.page { padding-block: var(--sp-6); }
.section-card { padding: var(--sp-6); }
.section-card__header { margin-bottom: var(--sp-2); }

/* Subtle section descriptions */
.section-desc { color: var(--text-muted); font-size: var(--fs-sm); }
/* Neon accents & ambient lights */
.ambient {
  position: fixed; pointer-events: none; z-index: 0; filter: blur(40px); opacity: .55;
}
.ambient--tl { top: -120px; left: -120px; width: 380px; height: 380px; background: radial-gradient(circle, rgba(99,102,241,.55), transparent 60%); }
.ambient--br { bottom: -140px; right: -140px; width: 420px; height: 420px; background: radial-gradient(circle, rgba(6,182,212,.45), transparent 60%); }

.glow-card { position: relative; overflow: hidden; }
.glow-card::before { content:''; position:absolute; inset:-2px; z-index:-1; background: linear-gradient(135deg, rgba(99,102,241,.25), rgba(6,182,212,.25)); filter: blur(18px); }

.chart { width: 100%; height: 260px; display:block; }
.chart--sm { height: 180px; }

/* Sidebar links across pages */
.sidebar__nav a[href$="dashboard.html"],
.sidebar__nav a[href$="agents.html"],
.sidebar__nav a[href$="terminals.html"],
.sidebar__nav a[href$="providers.html"],
.sidebar__nav a[href$="accumulators.html"],
.sidebar__nav a[href$="analytics.html"],
.sidebar__nav a[href$="logs.html"],
.sidebar__nav a[href$="settings.html"] {
  text-decoration: none;
}

.sidebar-hidden .app-shell { grid-template-columns: 1fr; }
.sidebar-hidden .app-shell__sidebar { display:none; }
@media (min-width: 1081px) { .section-split > form { position: sticky; top: var(--sp-6); align-self: start; } }


.section-split > * { min-width: 0; }

.table { table-layout: auto; }
.table th, .table td { word-break: break-word; white-space: normal; }

.table-wrapper { max-width: 100%; }


.table th, .table td { overflow-wrap: anywhere; word-break: normal; line-height: 1.4; padding: var(--sp-3) var(--sp-4); }

html { line-height: 1.5; -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }

body, button, input, select, textarea { letter-spacing: 0; }

/* Modal scrolling enhancements */
.modal { display: flex; flex-direction: column; max-height: 90vh; overflow-y: auto; }
.modal form { flex: 1 1 auto; overflow: auto; -webkit-overflow-scrolling: touch; }

/* Comfortable table variant for improved readability */
.table--comfortable th,
.table--comfortable td {
  padding: var(--sp-4) var(--sp-6);
  /* Prevent letters breaking onto separate lines */
  word-break: normal;
  overflow-wrap: normal;
  white-space: nowrap;
}

.table--comfortable thead {
  font-size: var(--fs-md);
  letter-spacing: 0.06em;
}

.table--comfortable thead th {
  position: sticky;
  top: 0;
  z-index: 1;
  background: var(--surface-2);
  border-bottom: 2px solid var(--border);
}

.table--comfortable th:not(:last-child),
.table--comfortable td:not(:last-child) {
  border-right: 1px solid var(--border);
}
.modal__actions { position: sticky; bottom: 0; background: var(--surface); padding-top: var(--sp-3); }
@media (max-width: 540px) { .modal { width: 96vw; max-height: 92vh; } }