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

[hidden] {
  display: none !important;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 15px;
  line-height: 1.5;
  color: var(--color-text);
  background: var(--color-bg);
}

h1,
h2,
h3,
p {
  margin: 0;
}

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
}

:focus-visible {
  outline: 3px solid color-mix(in srgb, var(--color-primary) 45%, transparent);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* ---------- Shell ---------- */

.app-shell {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: var(--space-5);
  max-width: 1180px;
  margin: 0 auto;
  padding: var(--space-5);
  min-height: 100vh;
}

.sidebar-pane {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
  position: sticky;
  top: var(--space-5);
  align-self: start;
  height: calc(100vh - (var(--space-5) * 2));
}

.view-header-emisor {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  text-align: left;
  font-size: 13px;
  color: var(--color-text-muted);
  line-height: 1.45;
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.view-header-emisor .ph-logo {
  display: block;
  margin-bottom: var(--space-2);
}

.ph-logo {
  height: 90px;
  width: auto;
  object-fit: contain;
  border-radius: 10vw;
}

.view-header-emisor .vh-name {
  color: var(--color-text);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: -0.01em;
}

.view-header-emisor .vh-link {
  color: var(--color-primary);
  text-decoration: none;
}

.view-header-emisor .vh-link:hover {
  text-decoration: underline;
}

/* ---------- Sidebar ---------- */

.sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-3);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.btn-nav {
  text-align: left;
}

.btn-nav.is-active {
  background: var(--color-primary-soft);
  color: var(--color-primary-dark);
  font-weight: 600;
}

.count {
  display: inline-grid;
  place-items: center;
  min-width: 22px;
  height: 22px;
  padding: 0 6px;
  margin-left: var(--space-2);
  border-radius: 999px;
  background: var(--color-bg);
  font-size: 12px;
  font-weight: 600;
}

.btn-nav.is-active .count {
  background: var(--color-primary);
  color: var(--color-surface);
}

.btn-nav-clear {
  width: 100%;
  justify-content: flex-start;
  background: transparent;
  border-color: transparent;
  color: var(--color-danger);
  animation: sidebarFadeIn 0.4s ease-out both;
}

.btn-nav-clear:hover:not(:disabled) {
  background: var(--color-danger-soft);
  border-color: transparent;
}

@keyframes sidebarFadeIn {
  from {
    opacity: 0;
    transform: translateY(4px);
  }

  to {
    opacity: 1;
    transform: none;
  }
}

.sidebar-limit {
  margin-top: var(--space-2);
  font-size: 13px;
  color: var(--color-text-muted);
}

.sidebar-hint {
  font-size: 12px;
  color: var(--color-text-muted);
  opacity: 0.85;
  padding: 0 var(--space-2);
}

/* ---------- Main ---------- */

.app-main {
  min-width: 0;
}

/* ---------- Mensaje destacado ---------- */

.spotlight {
  background: var(--color-primary-soft);
  border: 1px solid color-mix(in srgb, var(--color-primary) 30%, transparent);
  border-left: 4px solid var(--color-primary);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  margin-bottom: var(--space-4);
  box-shadow: var(--shadow-sm);
}

.spotlight-title {
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: var(--space-1);
}

.spotlight-text {
  font-size: 14px;
  color: var(--color-text);
  white-space: pre-line;
}

/* ---------- Cards ---------- */

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: var(--space-5);
  margin-bottom: var(--space-4);
}

.card-title {
  font-size: 16px;
  margin-bottom: var(--space-3);
}

.field {
  display: block;
  margin-bottom: var(--space-4);
}

.field:last-child {
  margin-bottom: 0;
}

.field>span {
  display: block;
  margin-bottom: var(--space-1);
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text-muted);
}

.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  margin-bottom: 0;
}

input:not([type="checkbox"]):not([type="radio"]),
select,
textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  transition: border-color 0.12s ease, box-shadow 0.12s ease;
}

input:hover,
select:hover,
textarea:hover {
  border-color: var(--color-border-hover);
}

input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-primary) 18%, transparent);
}

textarea {
  resize: vertical;
  min-height: 70px;
}

/* ---------- Items table ---------- */

.items-table {
  width: 100%;
}

.items-table tr {
  display: grid;
  grid-template-columns: minmax(80px, 1.6fr) minmax(60px, 0.35fr) minmax(90px, 0.8fr) minmax(112px, 0.95fr) 36px;
  column-gap: var(--space-2);
  align-items: center;
}

.items-table th {
  text-align: left;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
  padding: 0 0 var(--space-2);
  border-bottom: 1px solid var(--color-border);
}

.items-table td {
  padding: var(--space-2) 0;
  vertical-align: middle;
}

.items-table input[type="number"] {
  text-align: center;
}

input[type="number"] {
  -moz-appearance: textfield;
  appearance: textfield;
}

input[type="number"]::-webkit-outer-spin-button,
input[type="number"]::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

.item-desc {
  min-width: 0;
}

.item-subtotal {
  display: block;
  text-align: right;
  font-variant-numeric: tabular-nums;
  font-weight: 600;
  white-space: nowrap;
  min-width: 0;
}

@container (max-width: 540px) {
  .items-table thead {
    display: none;
  }

  .items-table tr {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) 36px;
    grid-template-areas:
      "desc desc rm"
      "qty price ."
      "st st st";
    column-gap: var(--space-3);
    row-gap: var(--space-1);
    padding: var(--space-2) 0;
    border-bottom: 1px solid var(--color-border);
  }

  .items-table td[data-label]::before {
    content: attr(data-label);
    display: block;
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--color-text-muted);
    margin-bottom: var(--space-1);
  }

  .col-desc {
    grid-area: desc;
  }

  .col-qty {
    grid-area: qty;
  }

  .col-price {
    grid-area: price;
  }

  .col-st {
    grid-area: st;
  }

  .col-rm {
    grid-area: rm;
    justify-self: end;
  }
}

.form-items {
  container-type: inline-size;
}

.form-items .btn-ghost {
  margin-top: var(--space-3);
}

.btn-icon {
  display: inline-grid;
  place-items: center;
  width: 30px;
  height: 30px;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--color-text-muted);
  font-size: 14px;
  transition: background 0.12s ease, color 0.12s ease;
}

.btn-icon:hover {
  background: var(--color-danger-soft);
  color: var(--color-danger);
}

input[aria-invalid="true"],
input:out-of-range {
  border-color: var(--color-danger) !important;
}

.field-error {
  margin-top: var(--space-1);
  font-size: 12px;
  font-weight: 500;
  color: var(--color-danger);
  line-height: 1.3;
}

.field-warning {
  margin-top: var(--space-1);
  font-size: 12px;
  font-weight: 500;
  color: var(--color-warning);
  line-height: 1.3;
}

input.is-warning,
input.is-warning:out-of-range,
input.is-warning[aria-invalid="true"] {
  border-color: var(--color-warning) !important;
}

input.is-warning:focus-visible {
  border-color: var(--color-warning);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-warning) 18%, transparent);
}

.totals-note {
  margin-top: var(--space-3);
  padding-top: var(--space-2);
  border-top: 1px dashed var(--color-border-strong);
  font-size: 12px;
  color: var(--color-text-muted);
}

.view-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.empty-history .btn {
  margin-top: var(--space-4);
}

/* ---------- Totals ---------- */

.totals {
  max-width: 420px;
  margin-left: auto;
}

.totals-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-1) 0;
  font-size: 14px;
}

.totals-line strong {
  font-variant-numeric: tabular-nums;
}

.totals-line.total {
  margin-top: var(--space-2);
  padding-top: var(--space-3);
  border-top: 2px solid var(--color-text);
  font-size: 18px;
}

.totals-line.total strong {
  font-size: 20px;
}

/* ---------- Action bar ---------- */

.action-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  align-items: center;
  margin: var(--space-4) 0 var(--space-2);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 10px 16px;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 14px;
  line-height: 1.2;
  transition: background 0.12s ease, border-color 0.12s ease, color 0.12s ease, transform 0.06s ease;
}

.btn:active {
  transform: translateY(1px);
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-surface);
}

.btn-primary:hover:not(:disabled) {
  background: var(--color-primary-dark);
}

.btn:disabled {
  background: var(--color-disabled-bg);
  color: var(--color-disabled-text);
  border-color: var(--color-disabled-bg);
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.btn-warning {
  background: var(--color-warning);
  color: var(--color-surface);
}

.btn-warning:hover:not(:disabled) {
  background: var(--color-warning-dark);
}

.btn-ghost {
  background: var(--color-surface);
  border-color: var(--color-border-strong);
  color: var(--color-text);
}

.btn-ghost:hover:not(:disabled) {
  background: var(--color-surface-alt);
  border-color: var(--color-primary);
  color: var(--color-primary-dark);
}

.btn-danger {
  background: var(--color-danger);
  color: var(--color-surface);
}

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

.btn-sm {
  padding: 6px 10px;
  font-size: 13px;
}

/* ---------- Form message ---------- */

.form-message {
  min-height: 20px;
  margin: var(--space-2) 0;
  font-size: 14px;
  font-weight: 500;
}

.form-message.ok {
  color: var(--color-success);
}

.form-message.error {
  color: var(--color-danger);
}

.form-message.warn {
  color: var(--color-warning);
}

/* ---------- Backup bar ---------- */

.backup-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  padding-top: var(--space-3);
  border-top: 1px dashed var(--color-border-strong);
  margin-top: var(--space-3);
}

.backup-hint {
  font-size: 12px;
  color: var(--color-text-muted);
}

.file-label {
  cursor: pointer;
}

.file-label.is-disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.backup-contact {
  font-size: 12px;
  color: var(--color-primary);
  text-decoration: none;
  border-bottom: 1px dotted transparent;
}

.backup-contact:hover {
  text-decoration: underline;
}

/* ---------- History ---------- */

.history-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.history-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: var(--space-4) var(--space-5);
  animation: historyCardIn 0.5s ease-out both;
}

@keyframes historyCardIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }

  to {
    opacity: 1;
    transform: none;
  }
}

.history-card--saved {
  animation: historyCardSaved 2.4s ease forwards;
}

@keyframes historyCardSaved {
  0% {
    opacity: 0;
    transform: translateY(12px) scale(0.98);
    border-color: var(--color-primary);
    box-shadow: 0 6px 24px -10px var(--color-primary), var(--shadow-sm);
  }

  18% {
    opacity: 1;
    transform: none;
  }

  75% {
    border-color: var(--color-primary);
    box-shadow: 0 6px 24px -10px var(--color-primary), var(--shadow-sm);
  }

  100% {
    opacity: 1;
    border-color: var(--color-border);
    box-shadow: var(--shadow-sm);
  }
}

.history-card--saved .hc-number,
.history-card--saved .hc-client {
  color: var(--color-primary-dark);
}

.history-card--saved .badge {
  background: var(--color-primary);
  color: var(--color-surface);
}

.hc-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-3);
}

.hc-number {
  font-size: 15px;
  color: var(--color-primary-dark);
  overflow-wrap: anywhere;
}

.hc-date {
  font-size: 13px;
  color: var(--color-text-muted);
}

.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  background: var(--color-primary-soft);
  color: var(--color-primary-dark);
  font-weight: 700;
  font-size: 12px;
  white-space: nowrap;
}

.hc-badges {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-2);
}

.badge-time {
  background: var(--color-bg);
  color: var(--color-text-muted);
  font-weight: 600;
}

.hc-client {
  margin-top: var(--space-2);
  font-size: 16px;
  font-weight: 600;
}

.hc-meta {
  margin-top: var(--space-1);
  font-size: 13px;
  color: var(--color-text-muted);
}

.hc-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-3);
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-border);
}

.empty-history {
  padding: var(--space-6);
  text-align: center;
  background: var(--color-surface);
  border: 1px dashed var(--color-border-strong);
  border-radius: var(--radius-lg);
  color: var(--color-text-muted);
  margin-top: var(--space-5);
}

/* ---------- Puerta de acceso ---------- */

body.is-auth-locked .app-shell {
  filter: blur(3px);
  pointer-events: none;
  user-select: none;
}

.auth-overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  padding: var(--space-4);
  background: var(--color-overlay);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  animation: overlayIn 0.25s ease-out both;
}

@keyframes overlayIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

.auth-dialog {
  width: 100%;
  max-width: 400px;
  padding: var(--space-6);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  animation: dialogIn 0.35s cubic-bezier(0.22, 1, 0.36, 1) both;
}

@keyframes dialogIn {
  from {
    opacity: 0;
    transform: translateY(14px) scale(0.96);
  }

  to {
    opacity: 1;
    transform: none;
  }
}

.auth-brand {
  display: flex;
  justify-content: center;
  margin-bottom: var(--space-4);
}

.auth-title {
  font-size: 18px;
  text-align: center;
}

.auth-subtitle {
  margin: var(--space-1) 0 var(--space-4);
  font-size: 13px;
  color: var(--color-text-muted);
  text-align: center;
}

#auth-form .field {
  margin-bottom: var(--space-3);
}

.btn-block {
  width: 100%;
  margin-top: var(--space-1);
}

.auth-overlay.is-closing {
  animation: overlayOut 0.22s ease-in both;
}

@keyframes overlayOut {
  from {
    opacity: 1;
  }

  to {
    opacity: 0;
  }
}

@media (prefers-reduced-motion: reduce) {

  .auth-overlay,
  .auth-overlay.is-closing,
  .auth-dialog {
    animation: none;
  }
}

/* ---------- Hoja de impresión ---------- */

.print-sheet {
  width: 210mm;
  max-width: calc(100vw - 48px);
  margin: 0 auto;
  padding: 12mm;
  background: var(--color-surface);
  color: var(--color-text);
  box-shadow: var(--shadow-md);
}

/* ---------- Responsive ---------- */

@media (max-width: 860px) {
  .app-shell {
    grid-template-columns: 1fr;
    padding: var(--space-3);
    gap: var(--space-3);
  }

  .sidebar-pane {
    position: static;
    height: auto;
  }

  .sidebar {
    flex-direction: row;
    align-items: center;
    flex-wrap: wrap;
  }

  .sidebar-limit,
  .sidebar-hint {
    width: 100%;
    margin-top: 0;
  }

  .field-row {
    grid-template-columns: 1fr;
    gap: var(--space-3);
  }
}