:root {
  color-scheme: light;
  font-family: Roboto, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--md-sys-color-on-surface);
  background: var(--md-sys-color-surface);
  line-height: 1.45;

  --md-sys-color-primary: #755600;
  --md-sys-color-on-primary: #ffffff;
  --md-sys-color-primary-container: #ffdf8f;
  --md-sys-color-on-primary-container: #251a00;
  --md-sys-color-secondary: #6b5d3f;
  --md-sys-color-on-secondary: #ffffff;
  --md-sys-color-secondary-container: #f4e1bd;
  --md-sys-color-on-secondary-container: #241a05;
  --md-sys-color-tertiary: #855229;
  --md-sys-color-on-tertiary: #ffffff;
  --md-sys-color-tertiary-container: #ffdbc1;
  --md-sys-color-on-tertiary-container: #301400;
  --md-sys-color-error: #ba1a1a;
  --md-sys-color-on-error: #ffffff;
  --md-sys-color-error-container: #ffdad6;
  --md-sys-color-on-error-container: #410002;
  --md-sys-color-surface: #fff8f3;
  --md-sys-color-surface-dim: #e6d7cf;
  --md-sys-color-surface-bright: #fff8f3;
  --md-sys-color-surface-container-lowest: #ffffff;
  --md-sys-color-surface-container-low: #fff1e9;
  --md-sys-color-surface-container: #f9ebe3;
  --md-sys-color-surface-container-high: #f3e5dd;
  --md-sys-color-surface-container-highest: #eddfd7;
  --md-sys-color-on-surface: #211a16;
  --md-sys-color-on-surface-variant: #4f453d;
  --md-sys-color-outline: #81756b;
  --md-sys-color-outline-variant: #d3c4b8;
  --md-sys-color-inverse-surface: #372f2a;
  --md-sys-color-inverse-on-surface: #fceee6;
  --md-sys-color-inverse-primary: #efc14c;

  --md-sys-shape-corner-small: 8px;
  --md-sys-shape-corner-medium: 12px;
  --md-sys-shape-corner-large: 16px;
  --md-sys-shape-corner-extra-large: 28px;
  --md-sys-shape-corner-full: 999px;

  --md-sys-typescale-body-large-font: Roboto, system-ui, sans-serif;
  --md-sys-typescale-label-large-font: Roboto, system-ui, sans-serif;
  --md-ripple-hover-color: var(--md-sys-color-on-primary);
  --md-ripple-pressed-color: var(--md-sys-color-on-primary);
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  background: var(--md-sys-color-surface);
}

body {
  min-height: 100vh;
  margin: 0;
  background:
    radial-gradient(circle at 12% 0%, color-mix(in srgb, var(--md-sys-color-primary-container) 48%, transparent), transparent 32rem),
    var(--md-sys-color-surface);
}

button,
input,
select {
  font: inherit;
}

button {
  position: relative;
  min-width: 48px;
  min-height: 48px;
  border: 0;
  border-radius: var(--md-sys-shape-corner-full);
  padding: 0 24px;
  background: var(--md-sys-color-primary);
  color: var(--md-sys-color-on-primary);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.006rem;
  cursor: pointer;
  box-shadow: none;
  transition: background-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
  -webkit-tap-highlight-color: transparent;
}

button:hover:not(:disabled) {
  box-shadow: 0 2px 3px rgb(0 0 0 / 0.18), 0 1px 2px rgb(0 0 0 / 0.3);
}

button:active:not(:disabled) {
  transform: translateY(1px);
  box-shadow: none;
}

button:focus-visible,
input:focus-visible,
select:focus-visible {
  outline: 3px solid var(--md-sys-color-inverse-primary);
  outline-offset: 3px;
}

button:disabled {
  color: color-mix(in srgb, var(--md-sys-color-on-surface) 38%, transparent);
  background: color-mix(in srgb, var(--md-sys-color-on-surface) 12%, transparent);
  cursor: not-allowed;
  box-shadow: none;
}

h1,
h2,
h3,
p {
  text-wrap: pretty;
}

h1,
h2,
h3 {
  margin-block-start: 0;
  color: var(--md-sys-color-on-surface);
  font-weight: 500;
}

h2 {
  font-size: 1.375rem;
  line-height: 1.75rem;
}

h3 {
  margin-block: 1.5rem 0.75rem;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 0.01rem;
}

/* Acceso */
.login {
  min-height: 100vh;
  display: grid;
  grid-template-columns: minmax(320px, 1.15fr) minmax(320px, 440px);
  align-items: center;
  gap: clamp(2rem, 7vw, 7rem);
  width: min(1180px, 100%);
  margin: auto;
  padding: clamp(1.25rem, 4vw, 3rem);
}

.brand-panel {
  display: grid;
  justify-items: center;
  text-align: center;
}

.brand-panel img {
  width: min(500px, 78vw);
  aspect-ratio: 1;
  border-radius: var(--md-sys-shape-corner-extra-large);
  object-fit: cover;
  box-shadow: 0 20px 48px rgb(56 29 10 / 0.24);
}

.brand-kicker {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0 0 1rem;
  border-radius: var(--md-sys-shape-corner-full);
  padding: 0.55rem 1rem;
  background: var(--md-sys-color-primary-container);
  color: var(--md-sys-color-on-primary-container);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.brand-message {
  max-width: 34rem;
  margin: 1.1rem 0 0;
  color: var(--md-sys-color-on-surface-variant);
  font-size: 1.05rem;
}

.login-card,
.panel,
.dashboard article {
  border: 1px solid var(--md-sys-color-outline-variant);
  background: var(--md-sys-color-surface-container-lowest);
  color: var(--md-sys-color-on-surface);
}

.login-card {
  display: grid;
  gap: 1.25rem;
  border-radius: var(--md-sys-shape-corner-extra-large);
  padding: clamp(1.5rem, 4vw, 2.5rem);
  box-shadow: 0 8px 24px rgb(50 34 23 / 0.12);
}

.login-heading {
  display: grid;
  gap: 0.45rem;
  margin-bottom: 0.25rem;
}

.login-heading h1,
.login-heading p {
  margin: 0;
}

.eyebrow {
  color: var(--md-sys-color-primary);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.form-field {
  display: grid;
  gap: 0.45rem;
  color: var(--md-sys-color-on-surface);
  font-size: 0.875rem;
  font-weight: 500;
}

.input-shell {
  min-height: 56px;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  border: 1px solid var(--md-sys-color-outline);
  border-radius: var(--md-sys-shape-corner-small);
  padding: 0 1rem;
  background: var(--md-sys-color-surface-container-lowest);
  color: var(--md-sys-color-on-surface-variant);
  transition: border-color 150ms ease, box-shadow 150ms ease;
}

.input-shell:focus-within {
  border-color: var(--md-sys-color-primary);
  box-shadow: inset 0 0 0 1px var(--md-sys-color-primary);
  color: var(--md-sys-color-primary);
}

.input-shell input {
  min-width: 0;
  flex: 1;
  border: 0;
  outline: 0;
  padding: 0;
  background: transparent;
  color: var(--md-sys-color-on-surface);
  font-size: 1rem;
}

.login-submit {
  width: 100%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  overflow: hidden;
}

.login-help {
  margin: -0.25rem 0 0;
  color: var(--md-sys-color-on-surface-variant);
  font-size: 0.78rem;
  text-align: center;
}

/* Aplicación */
.shell {
  min-height: 100vh;
  padding-bottom: env(safe-area-inset-bottom);
}

.topbar {
  min-height: 72px;
  position: sticky;
  z-index: 10;
  top: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.65rem max(1rem, env(safe-area-inset-left));
  background: #21120b;
  color: #fff8f3;
  box-shadow: 0 2px 10px rgb(33 18 11 / 0.22);
}

.topbar h1 {
  margin: 0;
  color: inherit;
  font-size: 1.125rem;
  font-weight: 500;
}

.topbar .brand-mark {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.brand-mark img {
  width: 48px;
  height: 48px;
  border: 1px solid #d9aa35;
  border-radius: var(--md-sys-shape-corner-medium);
  object-fit: cover;
  box-shadow: 0 2px 8px rgb(0 0 0 / 0.28);
}

.topbar > span {
  margin-left: auto;
  color: #f4e1bd;
  font-size: 0.875rem;
}

.topbar button {
  min-height: 44px;
  border: 1px solid #d8c3b6;
  background: transparent;
  color: #fff8f3;
}

.tabs,
.section-tabs {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  scrollbar-width: thin;
}

.tabs {
  position: sticky;
  z-index: 9;
  top: 72px;
  padding: 0.75rem max(1rem, env(safe-area-inset-left));
  border-bottom: 1px solid var(--md-sys-color-outline-variant);
  background: color-mix(in srgb, var(--md-sys-color-surface) 94%, transparent);
  backdrop-filter: blur(14px);
}

.tabs button,
.section-tabs button {
  min-height: 40px;
  flex: 0 0 auto;
  border: 1px solid var(--md-sys-color-outline);
  padding: 0 1.2rem;
  background: transparent;
  color: var(--md-sys-color-on-surface-variant);
  box-shadow: none;
  white-space: nowrap;
}

.tabs button.active,
.section-tabs button.active {
  border-color: transparent;
  background: var(--md-sys-color-secondary-container);
  color: var(--md-sys-color-on-secondary-container);
}

.section-tabs {
  margin: -0.25rem 0 1rem;
  padding: 0.25rem 0;
}

.dashboard {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.85rem;
  max-width: 1600px;
  margin: auto;
  padding: 1rem 1rem 0;
}

.dashboard article {
  min-height: 104px;
  display: grid;
  align-content: center;
  gap: 0.2rem;
  border-radius: var(--md-sys-shape-corner-large);
  padding: 1rem 1.1rem;
  background: var(--md-sys-color-surface-container-low);
}

.dashboard strong {
  overflow: hidden;
  color: var(--md-sys-color-primary);
  font-size: clamp(1.35rem, 2vw, 1.7rem);
  font-weight: 700;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.dashboard span,
.stock,
.muted,
small {
  color: var(--md-sys-color-on-surface-variant);
  font-size: 0.82rem;
}

.workspace {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(340px, 420px);
  align-items: start;
  gap: 1rem;
  max-width: 1600px;
  margin: auto;
  padding: 1rem;
}

.panel {
  border-radius: var(--md-sys-shape-corner-large);
  padding: clamp(1rem, 2vw, 1.4rem);
  box-shadow: 0 1px 2px rgb(52 38 29 / 0.08);
}

.table-grid,
.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(124px, 1fr));
  gap: 0.75rem;
}

.table,
.product {
  min-width: 0;
  min-height: 104px;
  display: grid;
  align-content: center;
  gap: 0.35rem;
  border: 1px solid var(--md-sys-color-outline-variant);
  border-radius: var(--md-sys-shape-corner-medium);
  padding: 0.9rem;
  background: var(--md-sys-color-surface-container-lowest);
  color: var(--md-sys-color-on-surface);
  text-align: left;
  box-shadow: 0 1px 2px rgb(52 38 29 / 0.08);
}

.table:hover:not(:disabled),
.product:hover:not(:disabled) {
  background: var(--md-sys-color-surface-container-low);
}

.table.occupied {
  border-color: color-mix(in srgb, var(--md-sys-color-tertiary) 48%, var(--md-sys-color-outline-variant));
  background: var(--md-sys-color-tertiary-container);
  color: var(--md-sys-color-on-tertiary-container);
}

.table.selected {
  outline: 3px solid var(--md-sys-color-primary);
  outline-offset: 2px;
}

.product {
  min-height: 116px;
  align-content: space-between;
}

.product strong,
.table strong {
  font-size: 0.95rem;
  line-height: 1.25rem;
}

.order {
  position: sticky;
  top: 140px;
  border-top: 5px solid var(--md-sys-color-primary);
  background: var(--md-sys-color-surface-container-lowest);
}

.order-header,
.items li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.order-header h2 {
  margin-bottom: 0;
}

.items {
  max-height: min(42vh, 420px);
  overflow-y: auto;
  list-style: none;
  margin: 1rem 0;
  padding: 0;
}

.items li {
  border-bottom: 1px solid var(--md-sys-color-outline-variant);
  padding: 0.8rem 0;
}

.items li:last-child {
  border-bottom: 0;
}

.total {
  border-top: 1px solid var(--md-sys-color-outline-variant);
  padding-top: 1rem;
  color: var(--md-sys-color-primary);
  font-size: 1.75rem;
  font-weight: 700;
  text-align: right;
}

.actions {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.65rem;
  margin-top: 1rem;
}

.actions button {
  height: auto;
  min-height: 52px;
  padding-block: 0.65rem;
}

.danger {
  background: var(--md-sys-color-error);
  color: var(--md-sys-color-on-error);
}

.secondary {
  background: var(--md-sys-color-secondary-container);
  color: var(--md-sys-color-on-secondary-container);
}

.notice {
  border-radius: var(--md-sys-shape-corner-medium);
  padding: 0.85rem 1rem;
  background: var(--md-sys-color-secondary-container);
  color: var(--md-sys-color-on-secondary-container);
}

.view {
  display: grid;
  gap: 1rem;
  max-width: 1100px;
  margin: 1rem auto;
}

.inventory-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 0.75rem;
  min-height: 64px;
  border-bottom: 1px solid var(--md-sys-color-outline-variant);
  padding: 0.55rem 0;
}

.inventory-row:last-child {
  border-bottom: 0;
}

.inventory-row button {
  min-height: 44px;
}

.inventory-row select,
select {
  min-height: 48px;
  border: 1px solid var(--md-sys-color-outline);
  border-radius: var(--md-sys-shape-corner-small);
  padding: 0 2.5rem 0 0.85rem;
  background: var(--md-sys-color-surface-container-lowest);
  color: var(--md-sys-color-on-surface);
}

/* Control de terminales administrado desde la computadora principal. */
.device-policy {
  display: grid;
  gap: 0.8rem;
}

.device-policy h3 {
  margin: 0.75rem 0 0;
}

.device-policy-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 0.75rem;
  border: 1px solid var(--md-sys-color-outline-variant);
  border-radius: var(--md-sys-shape-corner-medium);
  padding: 0.85rem;
  background: var(--md-sys-color-surface-container-low);
}

.device-status {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  border-radius: var(--md-sys-shape-corner-full);
  padding: 0.25rem 0.7rem;
  background: var(--md-sys-color-secondary-container);
  color: var(--md-sys-color-on-secondary-container);
  font-size: 0.78rem;
  white-space: nowrap;
}

.device-status.authorized {
  background: var(--md-sys-color-primary-container);
  color: var(--md-sys-color-on-primary-container);
}

.device-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: end;
  gap: 0.5rem;
}

.device-actions button {
  min-height: 44px;
  padding-inline: 1rem;
}

.device-code {
  width: fit-content;
  max-width: 100%;
  border: 1px dashed var(--md-sys-color-primary);
  border-radius: var(--md-sys-shape-corner-medium);
  padding: 0.8rem 1rem;
  background: var(--md-sys-color-primary-container);
  color: var(--md-sys-color-on-primary-container);
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: clamp(1.25rem, 5vw, 1.75rem);
  font-weight: 700;
  letter-spacing: 0.12em;
}

.device-access-card {
  align-self: center;
}

/* Formularios de operación: nativos, modales y optimizados para tableta. */
.app-dialog {
  width: min(520px, calc(100vw - 2rem));
  max-height: min(760px, calc(100vh - 2rem));
  overflow: auto;
  border: 1px solid var(--md-sys-color-outline-variant);
  border-radius: var(--md-sys-shape-corner-extra-large);
  padding: 0;
  background: var(--md-sys-color-surface-container-lowest);
  color: var(--md-sys-color-on-surface);
  box-shadow: 0 24px 60px rgb(33 18 11 / 0.32);
}

.app-dialog::backdrop {
  background: rgb(33 18 11 / 0.48);
  backdrop-filter: blur(2px);
}

.app-dialog form {
  display: grid;
  gap: 1rem;
  padding: clamp(1.25rem, 4vw, 2rem);
}

.dialog-heading h2,
.dialog-heading p {
  margin: 0;
}

.dialog-heading {
  display: grid;
  gap: 0.5rem;
  margin-bottom: 0.25rem;
}

.dialog-actions {
  display: flex;
  flex-wrap: wrap-reverse;
  justify-content: end;
  gap: 0.75rem;
  margin-top: 0.5rem;
}

/* Snackbar agregado por app.js para mensajes y errores no bloqueantes. */
.app-toast {
  position: fixed;
  z-index: 100;
  right: max(1rem, env(safe-area-inset-right));
  bottom: max(1rem, env(safe-area-inset-bottom));
  max-width: min(420px, calc(100vw - 2rem));
  min-height: 48px;
  display: flex;
  align-items: center;
  border-radius: var(--md-sys-shape-corner-small);
  padding: 0.8rem 1rem;
  background: var(--md-sys-color-inverse-surface);
  color: var(--md-sys-color-inverse-on-surface);
  font-size: 0.875rem;
  font-weight: 500;
  box-shadow: 0 6px 18px rgb(0 0 0 / 0.24);
  opacity: 0;
  pointer-events: none;
  transform: translateY(16px);
  transition: opacity 180ms ease, transform 180ms ease;
}

.app-toast.show {
  opacity: 1;
  transform: translateY(0);
}

.app-toast.error {
  background: var(--md-sys-color-error-container);
  color: var(--md-sys-color-on-error-container);
}

noscript {
  display: block;
  margin: 2rem;
  color: var(--md-sys-color-error);
  text-align: center;
}

@media (pointer: coarse) {
  button,
  .tabs button,
  .section-tabs button {
    min-height: 48px;
  }
}

@media (max-width: 960px) {
  .login {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .brand-panel img {
    width: min(300px, 68vw);
  }

  .brand-message {
    display: none;
  }

  .workspace {
    grid-template-columns: 1fr;
  }

  .order {
    position: static;
  }
}

@media (max-width: 720px) {
  .topbar {
    min-height: auto;
    flex-wrap: wrap;
  }

  .topbar > span {
    order: 3;
    width: 100%;
    margin: -0.35rem 0 0.25rem 3.8rem;
  }

  .tabs {
    top: 106px;
  }

  .dashboard {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    padding-inline: 0.75rem;
  }

  .workspace,
  .view {
    margin-inline: 0;
    padding: 0.75rem;
  }

  .table-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .product-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .device-policy-row {
    grid-template-columns: 1fr auto;
  }

  .device-policy-row > button,
  .device-actions {
    grid-column: 1 / -1;
  }

  .device-actions {
    justify-content: stretch;
  }

  .device-actions button {
    flex: 1 1 10rem;
  }
}

@media (max-width: 460px) {
  .login {
    padding: 0.9rem;
  }

  .brand-panel img {
    width: min(220px, 62vw);
    border-radius: var(--md-sys-shape-corner-large);
  }

  .brand-kicker {
    display: none;
  }

  .login-card {
    border-radius: var(--md-sys-shape-corner-large);
  }

  .topbar h1 {
    max-width: 13rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .table-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .actions,
  .inventory-row {
    grid-template-columns: 1fr;
  }

  .inventory-row button {
    width: 100%;
  }

  .device-policy-row {
    grid-template-columns: 1fr;
  }

  .device-status {
    width: fit-content;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}

@media print {
  body {
    background: #ffffff;
  }

  .shell,
  .login {
    display: none;
  }

  .print-ticket {
    display: block !important;
  }
}