/* ==========================================================================
   NEXO · Sistema de Diseño Neumórfico (Claro & Oscuro) — 100% Vanilla CSS
   ========================================================================== */

:root,
[data-theme="light"] {
  --bg: #e0e5ec;
  --surface: #e0e5ec;
  --shadow-dark: #a3b1c6;
  --shadow-light: #ffffff;
  --text: #2b3445;
  --text-muted: #657389;
  --accent: #4c6ef5;
  --accent-hover: #3b5bdb;
  --accent-soft: rgba(76, 110, 245, 0.12);
  --success: #10b981;
  --danger: #ef4444;
  --warning: #f59e0b;
  --border-subtle: rgba(255, 255, 255, 0.45);

  --neu-raised: 8px 8px 16px var(--shadow-dark), -8px -8px 16px var(--shadow-light);
  --neu-raised-sm: 4px 4px 9px var(--shadow-dark), -4px -4px 9px var(--shadow-light);
  --neu-inset: inset 5px 5px 10px var(--shadow-dark), inset -5px -5px 10px var(--shadow-light);
  --neu-inset-sm: inset 3px 3px 6px var(--shadow-dark), inset -3px -3px 6px var(--shadow-light);

  --radius-lg: 22px;
  --radius-md: 15px;
  --radius-sm: 11px;
  --radius-pill: 999px;
}

[data-theme="dark"] {
  --bg: #252830;
  --surface: #252830;
  --shadow-dark: #181a20;
  --shadow-light: #323640;
  --text: #e4e9f2;
  --text-muted: #93a0b4;
  --accent: #748ffc;
  --accent-hover: #91a7ff;
  --accent-soft: rgba(116, 143, 252, 0.16);
  --success: #10b981;
  --danger: #f87171;
  --warning: #fbbf24;
  --border-subtle: rgba(255, 255, 255, 0.05);

  --neu-raised: 8px 8px 16px var(--shadow-dark), -8px -8px 16px var(--shadow-light);
  --neu-raised-sm: 4px 4px 9px var(--shadow-dark), -4px -4px 9px var(--shadow-light);
  --neu-inset: inset 5px 5px 10px var(--shadow-dark), inset -5px -5px 10px var(--shadow-light);
  --neu-inset-sm: inset 3px 3px 6px var(--shadow-dark), inset -3px -3px 6px var(--shadow-light);
}

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

[hidden] {
  display: none !important;
}

html,
body {
  margin: 0;
  padding: 0;
  width: 100%;
  max-width: 100%;
  overflow-x: hidden;
  min-height: 100vh;
  background-color: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  transition: background-color 0.25s ease, color 0.25s ease;
}

/* --------------------------------------------------------------------------
   Barra superior y Badge de Sincronización con Luz LED (Verde / Roja)
   -------------------------------------------------------------------------- */

.topbar {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 18px 16px 8px;
}

.topbar-card {
  width: 100%;
  max-width: 100%;
  background: var(--surface);
  box-shadow: var(--neu-raised);
  border-radius: var(--radius-lg);
  padding: 14px 18px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--text);
}

.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 13px;
  background: var(--surface);
  box-shadow: var(--neu-raised-sm);
  display: grid;
  place-items: center;
  font-weight: 800;
  font-size: 1.2rem;
  color: var(--accent);
  flex-shrink: 0;
}

.brand-title {
  font-size: 1.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.brand-sub {
  display: block;
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 500;
}

/* Badge de Sincronización + Indicador luminoso (Verde Online / Rojo Offline) */
.sync-badge-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  max-width: 100%;
  background: var(--surface);
  box-shadow: var(--neu-inset);
  padding: 8px 14px;
  border-radius: var(--radius-pill);
  font-size: 0.84rem;
  color: var(--text);
}

.sync-led-housing {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: var(--surface);
  box-shadow: var(--neu-raised-sm);
  display: grid;
  place-items: center;
  flex-shrink: 0;
}

.sync-led {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  transition: background-color 0.25s ease, box-shadow 0.25s ease;
}

.sync-led.is-online {
  background-color: #10b981;
  box-shadow:
    0 0 8px rgba(16, 185, 129, 0.85),
    0 0 16px rgba(16, 185, 129, 0.45),
    inset 0 1px 2px rgba(255, 255, 255, 0.65);
}

.sync-led.is-offline {
  background-color: #ef4444;
  box-shadow:
    0 0 8px rgba(239, 68, 68, 0.9),
    0 0 16px rgba(239, 68, 68, 0.5),
    inset 0 1px 2px rgba(255, 255, 255, 0.6);
  animation: pulse-red 2s infinite ease-in-out;
}

@keyframes pulse-red {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.1); opacity: 0.82; }
}

.sync-badge-text {
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

.topbar-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  max-width: 100%;
}

.user-pill {
  display: flex;
  align-items: center;
  gap: 9px;
  max-width: 100%;
  padding: 5px 10px 5px 6px;
  border-radius: var(--radius-pill);
  box-shadow: var(--neu-inset-sm);
  font-size: 0.85rem;
  font-weight: 600;
}

#user-name {
  white-space: nowrap;
}

.user-avatar {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  object-fit: cover;
  box-shadow: var(--neu-raised-sm);
  flex-shrink: 0;
}

/* --------------------------------------------------------------------------
   Botones y Controles Neumórficos (Nunca cortan el texto)
   -------------------------------------------------------------------------- */

.neu-btn {
  appearance: none;
  border: none;
  background: var(--surface);
  color: var(--text);
  box-shadow: var(--neu-raised-sm);
  border-radius: var(--radius-md);
  padding: 10px 16px;
  font-size: 0.9rem;
  font-weight: 600;
  white-space: nowrap;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  flex-shrink: 0;
  transition: transform 0.12s ease, box-shadow 0.15s ease, color 0.15s ease;
}

.neu-btn:hover:not(:disabled) {
  color: var(--accent);
}

.neu-btn:active:not(:disabled),
.neu-btn.is-active {
  box-shadow: var(--neu-inset-sm);
  transform: translateY(1px);
}

.neu-btn:disabled {
  opacity: 0.4;
  cursor: default;
}

.neu-btn-icon {
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: 50%;
}

.neu-btn-primary {
  color: var(--accent);
  font-weight: 700;
}

.neu-btn-danger:hover:not(:disabled) {
  color: var(--danger);
}

/* --------------------------------------------------------------------------
   Navegación por Módulos con Scroll Snap + Botones de Desplazamiento en PC
   -------------------------------------------------------------------------- */

.module-nav-shell {
  width: 100%;
  max-width: 1120px;
  margin: 12px auto 0;
  padding: 0 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.nav-scroll-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  font-size: 1.15rem;
  font-weight: 800;
  line-height: 1;
  padding: 0;
  flex-shrink: 0;
}

.module-nav {
  flex: 1 1 auto;
  min-width: 0;
  padding: 8px 6px 12px;
  display: flex;
  gap: 12px;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  scroll-padding-inline: 6px;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.module-nav::-webkit-scrollbar {
  display: none;
}

.module-tab {
  appearance: none;
  border: none;
  background: var(--surface);
  color: var(--text-muted);
  box-shadow: var(--neu-raised-sm);
  border-radius: var(--radius-pill);
  padding: 10px 18px;
  font-size: 0.88rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex: 0 0 auto;
  white-space: nowrap;
  scroll-snap-align: start;
  scroll-snap-stop: normal;
  transition: all 0.2s ease;
}

.module-tab.is-active {
  color: var(--accent);
  box-shadow: var(--neu-inset);
  font-weight: 700;
}

.module-tab-soon {
  font-size: 0.68rem;
  padding: 2px 7px;
  border-radius: var(--radius-pill);
  background: var(--accent-soft);
  color: var(--accent);
}

@media (max-width: 640px) {
  .nav-scroll-btn {
    display: none;
  }
}

/* --------------------------------------------------------------------------
   Pantalla de Login (Google OAuth + Estado .env)
   -------------------------------------------------------------------------- */

.login-wrapper {
  width: 100%;
  max-width: 460px;
  margin: 36px auto;
  padding: 0 16px;
}

.login-card {
  width: 100%;
  max-width: 100%;
  background: var(--surface);
  box-shadow: var(--neu-raised);
  border-radius: var(--radius-lg);
  padding: 32px 22px;
  text-align: center;
}

.login-logo {
  width: 68px;
  height: 68px;
  margin: 0 auto 18px;
  border-radius: 20px;
  background: var(--surface);
  box-shadow: var(--neu-raised);
  display: grid;
  place-items: center;
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--accent);
}

.login-title {
  margin: 0 0 8px;
  font-size: 1.55rem;
  font-weight: 800;
}

.login-subtitle {
  margin: 0 0 24px;
  color: var(--text-muted);
  font-size: 0.94rem;
}

.google-btn-slot {
  min-height: 48px;
  max-width: 100%;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 18px 0;
}

.env-hint-box {
  margin-top: 18px;
  padding: 16px;
  border-radius: var(--radius-md);
  box-shadow: var(--neu-inset);
  text-align: left;
  font-size: 0.85rem;
  color: var(--text-muted);
  overflow-wrap: break-word;
}

.env-hint-box code {
  color: var(--accent);
  font-weight: 600;
}

.alert-msg {
  margin-top: 14px;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  box-shadow: var(--neu-inset-sm);
  color: var(--danger);
  font-size: 0.88rem;
  font-weight: 600;
  overflow-wrap: break-word;
}

/* --------------------------------------------------------------------------
   Contenedor Principal y 3 Tarjetas KPI de Igual Tamaño
   -------------------------------------------------------------------------- */

.main-container {
  width: 100%;
  max-width: 1120px;
  margin: 14px auto 48px;
  padding: 0 16px;
}

.offline-notice {
  margin-bottom: 18px;
  padding: 12px 16px;
  border-radius: var(--radius-md);
  box-shadow: var(--neu-inset);
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.88rem;
  color: var(--text);
}

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-bottom: 24px;
  align-items: stretch;
}

.kpi-card {
  min-width: 0;
  min-height: 104px;
  background: var(--surface);
  box-shadow: var(--neu-raised);
  border-radius: var(--radius-lg);
  padding: 18px 20px;
  display: flex;
  align-items: center;
  gap: 15px;
}

.kpi-icon {
  width: 50px;
  height: 50px;
  border-radius: 16px;
  box-shadow: var(--neu-inset);
  display: grid;
  place-items: center;
  color: var(--accent);
  font-size: 1.25rem;
  flex-shrink: 0;
}

.kpi-body {
  min-width: 0;
  flex: 1;
}

.kpi-label {
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  font-weight: 700;
}

.kpi-value {
  font-size: 1.38rem;
  font-weight: 800;
  margin-top: 2px;
  font-variant-numeric: tabular-nums;
}

.kpi-minmax-row {
  display: flex;
  align-items: baseline;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 2px;
}

.kpi-minmax-item {
  font-size: 1.15rem;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.kpi-minmax-tag {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--text-muted);
  margin-right: 4px;
}

.kpi-sub {
  font-size: 0.76rem;
  color: var(--text-muted);
  margin-top: 2px;
}

/* --------------------------------------------------------------------------
   Layout de Control de Peso (Formulario + Tabla Histórica sin cortar textos)
   -------------------------------------------------------------------------- */

.weight-layout {
  display: grid;
  grid-template-columns: 330px minmax(0, 1fr);
  gap: 22px;
  align-items: start;
  width: 100%;
  max-width: 100%;
}

.neu-panel {
  width: 100%;
  max-width: 100%;
  min-width: 0;
  background: var(--surface);
  box-shadow: var(--neu-raised);
  border-radius: var(--radius-lg);
  padding: 22px;
}

.panel-header {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 18px;
}

.panel-title {
  margin: 0;
  font-size: 1.12rem;
  font-weight: 800;
}

.panel-subtitle {
  margin: 4px 0 0;
  font-size: 0.83rem;
  color: var(--text-muted);
}

/* Formulario Neumórfico */
.form-group {
  margin-bottom: 16px;
}

.form-label {
  display: block;
  font-size: 0.84rem;
  font-weight: 700;
  margin-bottom: 7px;
  color: var(--text);
}

.neu-input-wrap {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  max-width: 100%;
}

.neu-input {
  width: 100%;
  min-width: 0;
  max-width: 100%;
  border: none;
  outline: none;
  background: var(--surface);
  color: var(--text);
  box-shadow: var(--neu-inset);
  border-radius: var(--radius-md);
  padding: 12px 14px;
  font-size: 0.96rem;
  font-family: inherit;
  font-weight: 600;
}

.neu-input:focus {
  box-shadow: var(--neu-inset), 0 0 0 2px var(--accent-soft);
}

.step-btn {
  width: 42px;
  height: 42px;
  flex-shrink: 0;
  border-radius: var(--radius-md);
  font-size: 1.1rem;
  font-weight: 800;
}

/* Tabla Neumórfica de Histórico de Peso (Sin cortar textos ni botones) */
.table-well {
  width: 100%;
  max-width: 100%;
  box-shadow: var(--neu-inset);
  border-radius: var(--radius-md);
  padding: 8px;
}

.neu-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
  table-layout: auto;
}

.neu-table th {
  text-align: left;
  padding: 11px 12px;
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-subtle);
  white-space: nowrap;
}

.neu-table td {
  padding: 12px;
  border-bottom: 1px solid var(--border-subtle);
  font-variant-numeric: tabular-nums;
  vertical-align: middle;
}

.neu-table td.col-nowrap {
  white-space: nowrap;
  width: 1%;
}

.neu-table td.col-note {
  word-break: normal;
  overflow-wrap: break-word;
}

.neu-table td.col-action {
  white-space: nowrap;
  width: 1%;
  text-align: right;
}

.neu-table tr:last-child td {
  border-bottom: none;
}

.weight-pill {
  display: inline-block;
  padding: 4px 10px;
  border-radius: var(--radius-pill);
  box-shadow: var(--neu-raised-sm);
  font-weight: 800;
  color: var(--accent);
  white-space: nowrap;
}

.delta-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.78rem;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: var(--radius-pill);
  box-shadow: var(--neu-inset-sm);
  white-space: nowrap;
}

.delta-down {
  color: var(--success);
}

.delta-up {
  color: var(--warning);
}

.delta-same {
  color: var(--text-muted);
}

.pending-sync-tag {
  display: inline-block;
  margin-left: 6px;
  font-size: 0.7rem;
  padding: 2px 7px;
  border-radius: var(--radius-pill);
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 700;
  white-space: nowrap;
}

.empty-state {
  text-align: center;
  padding: 28px 14px;
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Adaptación tablet y móvil sin scroll horizontal ni corte de textos */
@media (max-width: 920px) {
  .kpi-grid {
    grid-template-columns: 1fr;
  }

  .weight-layout {
    grid-template-columns: 1fr;
  }

  .sync-badge-wrap {
    order: 3;
    width: 100%;
    justify-content: space-between;
    font-size: 0.78rem;
    padding: 7px 12px;
  }
}

@media (max-width: 680px) {
  .neu-table,
  .neu-table tbody {
    display: block;
    width: 100%;
  }

  .neu-table thead {
    display: none;
  }

  .neu-table tr {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 8px 12px;
    padding: 12px;
    border-bottom: 1px solid var(--border-subtle);
    align-items: center;
  }

  .neu-table tr:last-child {
    border-bottom: none;
  }

  .neu-table td,
  .neu-table td.col-nowrap,
  .neu-table td.col-note,
  .neu-table td.col-action {
    width: auto;
    padding: 0;
    border: none;
  }
}

/* Toast Neumórfico */
.toast {
  position: fixed;
  bottom: 20px;
  right: 16px;
  left: 16px;
  max-width: 380px;
  margin-left: auto;
  background: var(--surface);
  color: var(--text);
  box-shadow: var(--neu-raised);
  border-radius: var(--radius-pill);
  padding: 12px 18px;
  font-size: 0.86rem;
  font-weight: 700;
  text-align: center;
  z-index: 1000;
  transition: opacity 0.25s ease, transform 0.25s ease;
}