/* ============================================================================
 * AINA TRANSLATE · AINA.AIN-TECH.CLOUD TOTAL BRANDING OVER AINTECH DS v13
 * ============================================================================
 * Deep Navy-Blue (#030d1c) + Plata-Cielo (#86cdff) + Sapphire-Crystal 4D
 * Simbolo oficial 4 azules (#427dfc, #1dbcb5, #86cdff, #c9eaff) · Zero inline styles (CSP)
 */

:root,
[data-theme="dark"],
[data-theme="navy"] {
  /* Armonia oficial de 4 azules del simbolo AINTECH (aina.ain-tech.cloud) */
  --cubo: #427dfc;
  --icosa: #1dbcb5;
  --esfera: #86cdff;
  --genesis: #c9eaff;

  /* Superficies canonicas Deep Navy-Blue & Plata-Cielo */
  --aina-bg: #030d1c;
  --aina-rail: #061326;
  --aina-surface: #0c1c30;
  --aina-surface-2: #11243b;
  --aina-strong: #17304d;
  --aina-line: rgba(134, 205, 255, 0.22);
  --aina-line-strong: rgba(134, 205, 255, 0.42);
  --aina-ink: #f4f9ff;
  --aina-ink-2: #c4cbd6;
  --aina-ink-3: #8fa9be;
  --aina-sky: #86cdff;
  --aina-marine: #427dfc;
  --aina-cyan: #1dbcb5;
  --aina-ice: #c9eaff;

  /* Mapeo semantico DS v13 -> aina.ain-tech.cloud */
  --bg: #030d1c;
  --bg-inset: #061326;
  --surface: rgba(12, 28, 48, 0.84);
  --surface-raised: rgba(17, 36, 59, 0.90);
  --surface-overlay: rgba(8, 21, 40, 0.96);
  --scrim: rgba(2, 8, 20, 0.78);
  --line: rgba(134, 205, 255, 0.22);
  --line-strong: rgba(134, 205, 255, 0.42);
  --ink: #f4f9ff;
  --ink-muted: #b4cbe3;
  --ink-subtle: #8fa9be;
  --brand: #427dfc;
  --brand-hover: #5c91fe;
  --brand-pressed: #2b64e3;
  --on-brand: #ffffff;
  --brand-ink: #86cdff;
  --brand-subtle: rgba(66, 125, 252, 0.22);
  --indicator: #86cdff;
  --control-checked: #427dfc;
  --link: #86cdff;
  --link-hover: #c9eaff;
  --focus: #c9eaff;
  --state-hover: rgba(134, 205, 255, 0.11);
  --state-pressed: rgba(66, 125, 252, 0.18);
  --state-selected: rgba(66, 125, 252, 0.24);
  --ainet: #1dbcb5;
  --aina: #86cdff;

  /* Radios cristalinos y tipografia canonica */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --font-display: var(--aintech-font-display, "AINTECH Display Next VF", "Outfit", system-ui, sans-serif);
  --font-text: var(--aintech-font-text, "AINTECH Text 12", "Plus Jakarta Sans", system-ui, sans-serif);
  --font-mono: var(--aintech-font-mono, "AINTECH Mono", "JetBrains Mono", monospace);
}

[data-theme="light"] {
  --cubo: #0c3fb2;
  --icosa: #087c77;
  --esfera: #1f86cd;
  --genesis: #48a1db;

  --aina-bg: #f4f8fc;
  --aina-rail: #eaf1f8;
  --aina-surface: #ffffff;
  --aina-surface-2: #ebf3fc;
  --aina-strong: #dce8f6;
  --aina-line: rgba(31, 134, 205, 0.22);
  --aina-line-strong: rgba(31, 134, 205, 0.42);
  --aina-ink: #07162c;
  --aina-ink-2: #2c4464;
  --aina-ink-3: #567094;
  --aina-sky: #1f86cd;
  --aina-marine: #0c3fb2;
  --aina-cyan: #087c77;
  --aina-ice: #48a1db;

  --bg: #f4f8fc;
  --bg-inset: #eaf1f8;
  --surface: rgba(255, 255, 255, 0.92);
  --surface-raised: rgba(235, 243, 252, 0.96);
  --surface-overlay: rgba(255, 255, 255, 0.98);
  --scrim: rgba(7, 22, 44, 0.42);
  --line: rgba(31, 134, 205, 0.22);
  --line-strong: rgba(31, 134, 205, 0.42);
  --ink: #07162c;
  --ink-muted: #2c4464;
  --ink-subtle: #567094;
  --brand: #0c3fb2;
  --brand-hover: #1450d6;
  --brand-pressed: #092f88;
  --on-brand: #ffffff;
  --brand-ink: #0c3fb2;
  --brand-subtle: rgba(12, 63, 178, 0.14);
  --indicator: #1f86cd;
  --control-checked: #0c3fb2;
  --link: #0c3fb2;
  --link-hover: #1f86cd;
  --focus: #0c3fb2;
  --state-hover: rgba(12, 63, 178, 0.08);
  --state-pressed: rgba(12, 63, 178, 0.14);
  --state-selected: rgba(12, 63, 178, 0.14);
  --ainet: #087c77;
  --aina: #1f86cd;
}

[data-theme="hc"] {
  --cubo: #427dfc;
  --icosa: #1dbcb5;
  --esfera: #86cdff;
  --genesis: #ffffff;

  --bg: #000000;
  --bg-inset: #050a14;
  --surface: #071120;
  --surface-raised: #0d1d35;
  --surface-overlay: #050c18;
  --line: #86cdff;
  --line-strong: #ffffff;
  --ink: #ffffff;
  --ink-muted: #e2f1ff;
  --ink-subtle: #b8dcff;
  --brand: #427dfc;
  --brand-hover: #6c9cff;
  --on-brand: #ffffff;
  --brand-ink: #c9eaff;
  --indicator: #86cdff;
  --control-checked: #427dfc;
  --focus: #ffffff;
  --state-hover: rgba(134, 205, 255, 0.18);
  --state-selected: rgba(66, 125, 252, 0.32);
}

[hidden] {
  display: none !important;
}

::selection {
  background: rgba(66, 125, 252, 0.38);
  color: #ffffff;
}

::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}

::-webkit-scrollbar-track {
  background: rgba(3, 13, 28, 0.65);
}

::-webkit-scrollbar-thumb {
  background: rgba(66, 125, 252, 0.50);
  border-radius: 999px;
}

::-webkit-scrollbar-thumb:hover {
  background: #86cdff;
}

[data-theme="light"] ::-webkit-scrollbar-track {
  background: rgba(234, 241, 248, 0.85);
}

[data-theme="light"] ::-webkit-scrollbar-thumb {
  background: rgba(12, 63, 178, 0.34);
}

.at-body {
  position: relative;
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-color: var(--bg);
  background-image:
    radial-gradient(ellipse 68% 52% at 50% 0%, rgba(23, 73, 119, 0.55), transparent 72%),
    radial-gradient(ellipse 55% 44% at 88% 58%, rgba(23, 75, 152, 0.22), transparent 70%),
    radial-gradient(ellipse 50% 42% at 12% 76%, rgba(29, 188, 181, 0.14), transparent 68%),
    linear-gradient(180deg, #030d1c 0%, #051226 54%, #030d1c 100%);
  background-attachment: fixed;
  color: var(--ink);
  font-family: var(--font-text);
  -webkit-font-smoothing: antialiased;
}

.at-body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  background-image: radial-gradient(rgba(134, 205, 255, 0.14) 1px, transparent 1px);
  background-size: 24px 24px;
  mask-image: radial-gradient(ellipse 85% 75% at 50% 25%, #000 35%, transparent 95%);
}

[data-theme="light"] .at-body,
body.at-body[data-theme="light"] {
  background-image:
    radial-gradient(ellipse 68% 50% at 50% 0%, rgba(31, 134, 205, 0.14), transparent 70%),
    radial-gradient(ellipse 50% 40% at 88% 60%, rgba(12, 63, 178, 0.08), transparent 70%),
    linear-gradient(180deg, #f4f8fc 0%, #eaf2fa 100%);
}

[data-theme="light"] .at-body::before {
  background-image: radial-gradient(rgba(12, 63, 178, 0.12) 1px, transparent 1px);
}

[data-theme="hc"] .at-body,
body.at-body[data-theme="hc"] {
  background-image: none;
}

[data-theme="hc"] .at-body::before {
  display: none;
}

.at-ico,
.at-chevron {
  display: inline-block;
  flex: none;
  vertical-align: middle;
}

.ain-btn,
.at-submode-btn,
.at-pill-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.ain-btn {
  transition: background-color var(--dur-fast) var(--ease-standard), border-color var(--dur-fast) var(--ease-standard), color var(--dur-fast) var(--ease-standard), transform 80ms ease;
}

.ain-btn:active:not(:disabled) {
  transform: translateY(1px);
}

.at-btn-kbd {
  display: inline-flex;
  align-items: center;
  padding: 2px 6px;
  margin-inline-start: 2px;
  border-radius: 4px;
  font-family: var(--font-text);
  font-style: normal;
  font-weight: 600;
  font-size: 0.6875rem;
  line-height: 1.2;
  background: rgba(7, 16, 33, 0.34);
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.28);
}

.at-tabular {
  font-variant-numeric: tabular-nums;
}

.at-muted-text {
  color: var(--ink-muted);
}

.at-sr-select {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

/* NAVBAR (DS v13 .ain-navbar extension) */
.at-navbar {
  position: sticky;
  top: 0;
  z-index: var(--z-nav);
  height: auto;
  min-height: var(--navbar-height);
  padding-block: 0;
  background: var(--bg);
  border-block-end: var(--stroke-hair) solid var(--line);
}

.at-navbar-nav {
  max-width: 1440px;
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  min-height: var(--navbar-height);
  flex-wrap: nowrap;
}

.at-brand-cluster {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.at-brand-lockup {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
  color: var(--ink);
  min-height: var(--target-min);
}

.at-brand-lockup:focus-visible {
  outline: var(--stroke-focus) solid var(--focus);
  outline-offset: var(--focus-offset);
}

.at-mark-symbol {
  display: block;
  width: 24px;
  height: 24px;
}

.at-mark-aina {
  display: block;
  width: auto;
  height: 20px;
}

.at-mark-translate {
  display: block;
  width: auto;
  height: 18px;
}

.at-seeker-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  color: var(--ink-muted);
  text-decoration: none;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  transition: background-color var(--dur-fast) var(--ease-standard), color var(--dur-fast) var(--ease-standard);
}

.at-seeker-link:hover {
  color: var(--ink);
  background: var(--state-hover);
}

.at-seeker-link:focus-visible {
  outline: var(--stroke-focus) solid var(--focus);
  outline-offset: var(--focus-offset);
}

.at-mode-tabs {
  display: flex;
  align-items: stretch;
  gap: var(--space-1);
  overflow-x: auto;
  scrollbar-width: none;
}

.at-mode-tab {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  appearance: none;
  background: transparent;
  border: 0;
  border-radius: var(--radius-sm);
  color: var(--ink-muted);
  min-height: var(--control-md);
  padding: 0 0.625rem;
  font-family: var(--font-text);
  font-size: 0.8125rem;
  font-weight: 700;
  white-space: nowrap;
  cursor: pointer;
  transition: background-color var(--dur-fast) var(--ease-standard), color var(--dur-fast) var(--ease-standard);
}

.at-mode-tab:hover {
  color: var(--ink);
  background: var(--state-hover);
}

.at-mode-tab.is-active {
  color: var(--ink);
  background: var(--state-selected);
}

.at-mode-tab.is-active .at-ico {
  color: var(--indicator);
}

.at-mode-tab.is-active::after {
  content: "";
  position: absolute;
  inset-inline: var(--space-2);
  inset-block-end: 0;
  border-block-end: var(--stroke-indicator) solid var(--indicator);
}

.at-mode-tab:focus-visible {
  outline: var(--stroke-focus) solid var(--focus);
  outline-offset: calc(-1 * var(--stroke-focus));
}

.at-utility-bar {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

/* DROPDOWNS (<details.at-dropdown> + .ain-menu__list) */
.at-dropdown {
  position: relative;
  display: inline-block;
}

.at-dropdown-trigger {
  list-style: none;
}

.at-dropdown-trigger::-webkit-details-marker {
  display: none;
}

.at-dropdown[open] .at-chevron {
  transform: rotate(180deg);
}

.at-chevron {
  transition: transform var(--dur-fast) var(--ease-standard);
}

.at-dropdown-panel {
  position: absolute;
  inset-block-start: calc(100% + var(--space-1));
  inset-inline-start: 0;
  z-index: var(--z-menu);
  min-width: 236px;
  max-width: min(380px, calc(100vw - var(--space-5)));
  background: var(--surface-overlay);
  border: var(--stroke-hair) solid var(--line-strong);
  border-radius: var(--radius-md);
  padding: var(--space-1) 0;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.24);
}

.at-dropdown--end .at-dropdown-panel {
  inset-inline-start: auto;
  inset-inline-end: 0;
}

.at-dropdown-panel--wide {
  min-width: min(336px, calc(100vw - var(--space-5)));
  padding: 0;
}

.at-menu-btn {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: var(--space-2);
  width: 100%;
  background: transparent;
  border: 0;
  text-align: left;
  font-family: inherit;
}

.at-menu-btn .ain-menu__kbd {
  margin-inline-start: auto;
}

.at-menu-btn:hover {
  background: var(--state-hover);
}

.at-popover-section {
  padding: var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.at-popover-title {
  margin: 0;
  color: var(--ink);
}

.at-popover-desc {
  margin: 0;
  color: var(--ink-muted);
  line-height: 1.45;
}

.at-switch-row {
  padding-block-start: var(--space-1);
}

.at-switch-copy {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.at-check-stack {
  gap: var(--space-3);
}

/* LANGUAGE SEARCHABLE POPOVER */
.at-lang-popover {
  min-width: min(560px, calc(100vw - var(--space-5)));
  max-width: min(620px, calc(100vw - var(--space-5)));
  padding: var(--space-3);
}

.at-lang-search-wrap {
  padding-block-end: var(--space-2);
  border-block-end: var(--stroke-hair) solid var(--line);
  margin-block-end: var(--space-2);
}

.at-search-input,
.at-input {
  width: 100%;
  box-sizing: border-box;
  min-height: var(--control-sm);
  padding: var(--space-1) var(--space-3);
  background: var(--bg-inset);
  color: var(--ink);
  border: var(--stroke-hair) solid var(--line-strong);
  border-radius: var(--radius-sm);
  font-family: var(--font-text);
  transition: border-color var(--dur-fast) var(--ease-standard), background-color var(--dur-fast) var(--ease-standard);
}

.at-search-input:focus-visible,
.at-input:focus-visible {
  outline: var(--stroke-focus) solid var(--focus);
  outline-offset: var(--focus-offset);
  border-color: var(--brand);
}

.at-lang-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-1);
  max-height: 310px;
  overflow-y: auto;
  padding-top: var(--space-2);
}

.at-lang-option {
  appearance: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  width: 100%;
  padding: var(--space-2) var(--space-3);
  border: var(--stroke-hair) solid transparent;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--ink);
  text-align: left;
  cursor: pointer;
  font-family: var(--font-text);
  transition: background-color var(--dur-fast) var(--ease-standard), border-color var(--dur-fast) var(--ease-standard);
}

.at-lang-option:hover {
  background: var(--state-hover);
  border-color: var(--line);
}

.at-lang-option.is-selected {
  background: var(--state-selected);
  border-color: var(--indicator);
  font-weight: 600;
}

.at-lang-native {
  color: var(--ink-muted);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 112px;
}

/* MAIN WORKSPACE */
.at-main {
  flex: 1;
  width: 100%;
  max-width: 1440px;
  margin-inline: auto;
  padding: var(--space-4) var(--space-5) var(--space-6);
  box-sizing: border-box;
}

.at-studio {
  display: none;
}

.at-studio.is-active {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

/* COMMAND BAR */
.at-command-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  flex-wrap: wrap;
  padding: var(--space-3);
  background: var(--surface);
  border: var(--stroke-hair) solid var(--line);
  border-radius: var(--radius-md);
}

.at-lang-bar {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.at-lang-side {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.at-quick-pills {
  display: inline-flex;
  align-items: center;
  background: var(--bg-inset);
  border: var(--stroke-hair) solid var(--line);
  border-radius: var(--radius-md);
  padding: 2px;
  gap: 2px;
}

.at-pill-btn {
  position: relative;
  appearance: none;
  border: 0;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--ink-muted);
  min-height: calc(var(--control-sm) - 4px);
  padding: 0 var(--space-3);
  font-family: var(--font-text);
  font-size: 0.8125rem;
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
  transition: background-color var(--dur-fast) var(--ease-standard), color var(--dur-fast) var(--ease-standard);
}

.at-pill-btn:hover {
  color: var(--ink);
  background: var(--state-hover);
}

.at-pill-btn.is-active {
  color: var(--ink);
  background: var(--surface-raised);
}

.at-pill-btn.is-active::after {
  content: "";
  position: absolute;
  inset-inline: var(--space-2);
  inset-block-end: 0;
  border-block-end: var(--stroke-indicator) solid var(--indicator);
}

.at-pill-btn:focus-visible {
  outline: var(--stroke-focus) solid var(--focus);
  outline-offset: var(--focus-offset);
}

.at-tools-cluster {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-wrap: wrap;
}

/* TRANSLATION PANES */
.at-panes-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4);
  align-items: stretch;
}

.at-pane {
  display: flex;
  flex-direction: column;
  min-width: 0;
  background: var(--surface);
  border: var(--stroke-hair) solid var(--line-strong);
  border-radius: var(--radius-md);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
  transition: border-color var(--dur-fast) var(--ease-standard), box-shadow var(--dur-fast) var(--ease-standard);
}

.at-pane:focus-within {
  border-color: var(--brand);
  box-shadow: 0 0 0 1px var(--brand);
}

.at-pane-target {
  background: var(--surface-raised);
  border-top: 2px solid var(--indicator);
}

.at-pane--speaker-a {
  border-top: 2px solid var(--indicator);
}

.at-pane--speaker-b {
  border-top: 2px solid var(--brand);
}

.at-pane-header,
.at-pane-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  flex-wrap: wrap;
  padding: var(--space-2) var(--space-3);
}

.at-pane-header {
  flex-wrap: nowrap;
  padding: 6px var(--space-3);
  border-block-end: var(--stroke-hair) solid var(--line);
  min-height: 42px;
}

.at-pane-footer {
  border-block-start: var(--stroke-hair) solid var(--line);
  color: var(--ink-muted);
  min-height: var(--control-sm);
}

.at-metrics-stack {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 170px;
}

.at-char-progress {
  appearance: none;
  width: 100%;
  height: 3px;
  border: 0;
  border-radius: 999px;
  background: var(--line);
  overflow: hidden;
}

.at-char-progress::-webkit-progress-bar {
  background: var(--line);
  border-radius: 999px;
}

.at-char-progress::-webkit-progress-value {
  background: var(--indicator);
  border-radius: 999px;
  transition: width 160ms ease;
}

.at-char-progress::-moz-progress-bar {
  background: var(--indicator);
  border-radius: 999px;
}

.at-char-progress[data-near-limit="true"]::-webkit-progress-value {
  background: #f59e0b;
}

.at-char-progress[data-near-limit="true"]::-moz-progress-bar {
  background: #f59e0b;
}

.at-card-title-group {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.at-card-ico {
  color: var(--indicator);
}

.at-pane-meta,
.at-pane-actions,
.at-footer-actions {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  flex-wrap: wrap;
}

.at-pane-meta {
  flex-wrap: nowrap;
  flex-shrink: 0;
  gap: 6px;
  white-space: nowrap;
}

.at-pane-actions {
  flex-wrap: nowrap;
  gap: 4px;
  justify-content: flex-end;
}

.at-pane-actions .ain-btn,
.at-footer-actions .ain-btn {
  padding-inline: 0.5rem;
  font-size: 0.75rem;
  gap: 4px;
  min-height: 28px;
  white-space: nowrap;
}

.at-rate-select,
.at-compact-select {
  min-height: var(--control-sm);
  padding: 0 var(--space-2);
  background: var(--bg-inset);
  color: var(--ink);
  border: var(--stroke-hair) solid var(--line-strong);
  border-radius: var(--radius-sm);
  font-family: var(--font-text);
  cursor: pointer;
}

.at-rate-select {
  min-height: 28px;
  height: 28px;
  padding: 0 0.35rem;
  font-size: 0.75rem;
}

.at-compact-select {
  width: auto;
  padding-inline-end: var(--space-4);
}

.at-textarea {
  width: 100%;
  flex: 1;
  min-height: 248px;
  padding: var(--space-4);
  box-sizing: border-box;
  border: 0;
  background: transparent;
  color: var(--ink);
  font-family: var(--font-text);
  font-size: 1.0625rem;
  line-height: 1.65;
  resize: vertical;
}

.at-textarea:focus {
  outline: none;
}

.at-textarea::placeholder {
  color: var(--ink-subtle);
}

.at-textarea--compact {
  min-height: 112px;
  border: var(--stroke-hair) solid var(--line-strong);
  border-radius: var(--radius-sm);
  background: var(--bg-inset);
  padding: var(--space-3);
}

.at-translit-bar {
  padding: var(--space-2) var(--space-4);
  border-block-start: var(--stroke-hair) solid var(--line);
  color: var(--ink-muted);
  background: var(--bg-inset);
}

/* INSIGHTS GRID (Dictionary / Back Translation / Integrity) */
.at-insights-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-4);
}

.at-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  flex-wrap: wrap;
}

.at-insights-grid .at-card-header {
  flex-wrap: nowrap;
  gap: var(--space-2);
}

.at-insights-grid .at-card-title-group {
  min-width: 0;
}

.at-insights-grid .at-card-title-group .ain-card__title {
  font-size: 0.875rem;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.at-insights-grid .at-card-header .ain-btn {
  flex-shrink: 0;
  padding-inline: 0.5rem;
  font-size: 0.75rem;
  gap: 4px;
  min-height: 28px;
  white-space: nowrap;
}

.at-card-action-row {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-block-start: var(--space-2);
}

.at-dict-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  margin-block: var(--space-2);
}

.at-dict-chip {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 2px var(--space-2);
  border: var(--stroke-hair) solid var(--line-strong);
  border-radius: var(--radius-sm);
  background: var(--bg-inset);
  color: var(--ink);
}

.at-tech-disclosure {
  margin-block-start: var(--space-2);
  border-block-start: var(--stroke-hair) solid var(--line);
  padding-block-start: var(--space-2);
}

.at-tech-disclosure summary {
  cursor: pointer;
  color: var(--link);
  user-select: none;
}

.at-receipt-details {
  margin-block-start: var(--space-2);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.at-hash-pre {
  margin: 0;
  padding: var(--space-2);
  background: var(--bg-inset);
  border: var(--stroke-hair) solid var(--line);
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  overflow-x: auto;
  word-break: break-all;
}

/* DOCUMENTS / WEB / VOICE / GLOSSARY */
.at-inline-field {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.at-arrow {
  color: var(--ink-muted);
}

.at-dropzone {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-3);
  flex-wrap: wrap;
  padding: var(--space-5) var(--space-4);
  border: 1.5px dashed var(--line-strong);
  border-radius: var(--radius-md);
  background: var(--surface);
  color: var(--ink-muted);
  cursor: pointer;
  text-align: left;
  transition: border-color var(--dur-fast) var(--ease-standard), background-color var(--dur-fast) var(--ease-standard), color var(--dur-fast) var(--ease-standard);
}

.at-dropzone:hover,
.at-dropzone.is-dragover {
  border-color: var(--indicator);
  background: var(--state-hover);
  color: var(--ink);
}

.at-dropzone__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  background: var(--bg-inset);
  border: var(--stroke-hair) solid var(--line-strong);
  color: var(--indicator);
  flex: none;
}

.at-dropzone__content {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.at-dropzone__formats {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.at-format-chip {
  display: inline-flex;
  align-items: center;
  padding: 2px 7px;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  background: var(--bg-inset);
  border: var(--stroke-hair) solid var(--line);
  color: var(--ink-muted);
}

.at-file-input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.at-upload-btn {
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.at-web-bar {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  width: 100%;
  flex-wrap: wrap;
}

.at-web-url-wrap {
  position: relative;
  display: flex;
  align-items: center;
  flex: 1 1 300px;
}

.at-web-url-ico {
  position: absolute;
  inset-inline-start: 10px;
  color: var(--ink-muted);
  pointer-events: none;
}

.at-web-input {
  padding-inline-start: 32px;
}

.at-web-reader {
  min-height: 220px;
}

.at-web-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4);
  padding-block: var(--space-3);
  border-block-end: var(--stroke-hair) solid var(--line);
}

.at-voice-log {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  max-height: 300px;
  overflow-y: auto;
}

.at-voice-turn {
  padding: var(--space-3);
  background: var(--bg-inset);
  border: var(--stroke-hair) solid var(--line);
  border-left: 3px solid var(--indicator);
  border-radius: var(--radius-sm);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.at-voice-turn--b {
  border-left-color: var(--brand);
}

.at-glossary-layout {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: var(--space-4);
  align-items: start;
}

.at-glossary-form {
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: var(--space-2);
  margin-top: var(--space-2);
}

.at-table {
  width: 100%;
  border-collapse: collapse;
}

.at-table th,
.at-table td {
  padding: var(--space-2) var(--space-3);
  text-align: left;
  border-block-end: var(--stroke-hair) solid var(--line);
}

.at-table thead th,
.ain-table thead th {
  background: var(--bg-inset);
  color: var(--ink-muted);
  font-weight: 700;
}

.at-table tbody tr:hover,
.ain-table tbody tr:hover {
  background: var(--state-hover);
}

.at-status-chip--on {
  color: #34d399;
  border-color: rgba(52, 211, 153, 0.35);
}

.at-status-chip--off {
  color: var(--ink-muted);
  opacity: 0.78;
}

.at-pii-token {
  display: inline-block;
  padding: 1px 6px;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 0.8em;
  background: rgba(0, 217, 255, 0.14);
  color: var(--indicator);
  border: 1px solid rgba(0, 217, 255, 0.35);
}

/* DRAWER & HISTORY LIST */
.at-drawer-controls {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-block-end: var(--space-4);
}

.at-history-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.at-history-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-3);
  background: var(--surface);
  border: var(--stroke-hair) solid var(--line);
  border-radius: var(--radius-md);
}

.at-history-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
}

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

/* DIALOG SHORTCUTS */
.at-dialog-body {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.at-shortcuts-list {
  display: flex;
  flex-direction: column;
  border: var(--stroke-hair) solid var(--line);
  border-radius: var(--radius-md);
}

.at-shortcut-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-3);
}

.at-shortcut-row + .at-shortcut-row {
  border-block-start: var(--stroke-hair) solid var(--line);
}

/* FOOTER */
.at-footer {
  border-block-start: var(--stroke-hair) solid var(--line);
  background: var(--bg);
}

.at-footer-inner {
  max-width: 1440px;
  margin-inline: auto;
  padding: var(--space-4) var(--space-5);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.at-footer-brand,
.at-footer-links {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.at-footer-logo {
  display: block;
  width: auto;
  height: 18px;
}

/* RESPONSIVE */
@media (max-width: 1359.98px) {
  .ain-navbar__endorsement {
    display: none;
  }
}

@media (max-width: 1023.98px) {
  .at-insights-grid {
    grid-template-columns: 1fr;
  }

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

/* Calibración horizontal de barra superior en una fila (sin solapamiento ni desbordamiento 1280px–1440px) */
.at-navbar {
  padding-inline: var(--space-3);
}

.at-navbar-nav {
  gap: var(--space-2);
}

.at-brand-cluster {
  gap: 6px;
  flex-shrink: 0;
}

.at-brand-lockup {
  gap: 6px;
}

.at-brand-cluster .ain-navbar__endorsement {
  margin-inline-start: 2px;
  padding-inline-start: 6px;
}

.at-seeker-link {
  padding: 4px 6px;
  font-size: 0.75rem;
  gap: 4px;
  white-space: nowrap;
}

.at-mark-symbol {
  width: 22px;
  height: 22px;
}

.at-mark-aina {
  height: 15px;
}

.at-mark-translate {
  height: 15px;
}

.at-mode-tabs {
  gap: 2px;
  flex-shrink: 1;
  min-width: 0;
  overflow-x: auto;
  scrollbar-width: none;
}

.at-mode-tab {
  padding: 0 0.4rem;
  gap: 4px;
  font-size: 0.78125rem;
  min-height: 36px;
}

.at-utility-bar {
  gap: 4px;
  flex-shrink: 0;
}

.at-utility-bar .ain-navbar__actions {
  gap: 4px;
}

.at-utility-bar .ain-btn {
  padding-inline: 0.45rem;
  font-size: 0.75rem;
  gap: 4px;
  min-height: 32px;
}

@media (max-width: 1159.98px) {
  .at-navbar-nav {
    flex-wrap: wrap;
    padding-block: var(--space-2);
  }

  .at-mode-tabs {
    order: 3;
    flex: 1 1 100%;
    flex-shrink: 1;
    overflow-x: auto;
    border-block-start: var(--stroke-hair) solid var(--line);
    padding-block-start: var(--space-1);
  }

  .at-pane-header,
  .at-pane-actions,
  .at-insights-grid .at-card-header {
    flex-wrap: wrap;
  }
}

@media (max-width: 919.98px) {
  .at-panes-grid {
    grid-template-columns: 1fr;
  }

  .at-web-row {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 639.98px) {
  .at-main {
    padding: var(--space-3);
  }

  .at-lang-popover {
    min-width: calc(100vw - var(--space-6));
  }

  .at-lang-grid {
    grid-template-columns: 1fr;
  }

  .at-glossary-form {
    grid-template-columns: 1fr;
  }
}


/* ============================================================================
 * SUITE LINGÜÍSTICA COMPLEMENTARIA (DICCIONARIO, PRE-JURADA, INTERPRETACIÓN,
 * AUDITORÍA, PULIDOR Y GUÍA DE FRASES)
 * ============================================================================ */

.at-section-intro {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: var(--space-1);
  margin-bottom: var(--space-4);
}

.at-studio-kicker {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 2px 10px;
  border-radius: 999px;
  background: var(--surface);
  border: var(--stroke-hair) solid var(--line-strong);
  color: var(--indicator);
  font-weight: 600;
}

.at-quick-sample-btn {
  border: var(--stroke-hair) solid var(--line);
  background: var(--bg-inset);
}

.at-quick-sample-btn:hover {
  border-color: var(--indicator);
}

.at-section-intro h2 {
  margin: 0;
}

.at-section-intro p {
  margin: 0;
}

.at-field-inline {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  min-width: 140px;
}

.at-table-wrap {
  width: 100%;
  overflow-x: auto;
  margin-top: var(--space-3);
}

/* Segmented submode strip (Documentos / Interpretación / Frases) */
.at-submode-strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

.at-submode-bar {
  display: inline-flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  padding: var(--space-1);
  background: var(--surface);
  border: var(--stroke-hair) solid var(--line);
  border-radius: var(--radius-md);
}

.at-submode-btn {
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--ink-muted);
  font-family: var(--font-text);
  font-size: 0.8125rem;
  font-weight: 500;
  padding: var(--space-1) var(--space-3);
  min-height: var(--control-sm);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--dur-fast) var(--ease-standard), color var(--dur-fast) var(--ease-standard);
}

.at-submode-btn:hover {
  color: var(--ink);
  background: var(--state-hover);
}

.at-submode-btn.is-active {
  background: var(--state-selected);
  color: var(--ink);
  font-weight: 600;
  box-shadow: inset 0 calc(-1 * var(--stroke-indicator)) 0 var(--brand);
}

/* Guía rápida de frases esenciales en modo Texto */
.at-phrasebook-panel {
  margin-top: var(--space-3);
  margin-bottom: var(--space-3);
  padding: var(--space-4);
  background: var(--surface);
  border: var(--stroke-hair) solid var(--line-strong);
  border-radius: var(--radius-md);
}

.at-phrasebook-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

.at-phrasebook-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: var(--space-3);
}

.at-phrasebook-item {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: var(--space-2);
  padding: var(--space-3);
  background: var(--bg-inset);
  border: var(--stroke-hair) solid var(--line);
  border-radius: var(--radius-sm);
}

.at-phrasebook-src {
  font-weight: 600;
  color: var(--ink);
  margin: 0;
}

.at-phrasebook-dst {
  color: var(--ink-muted);
  margin: 0;
}

.at-phrasebook-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  margin-top: var(--space-1);
}

/* Diccionario profundo y conjugador verbal */
.at-dict-search-card {
  margin-bottom: var(--space-4);
}

.at-dict-controls {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  gap: var(--space-3);
}

.at-dict-query-wrap {
  flex: 1 1 280px;
}

.at-dict-input {
  width: 100%;
  min-height: var(--control-md);
  box-sizing: border-box;
}

.at-swap-inline {
  align-self: flex-end;
}

.at-dict-quick-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-3);
  padding-top: var(--space-3);
  border-top: var(--stroke-hair) solid var(--line);
}

.at-dict-results-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-4);
}

.at-dict-span-2 {
  grid-column: 1 / -1;
}

.at-dict-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

.at-dict-lemma {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--ink);
  margin: 0;
}

.at-dict-sense {
  padding: var(--space-2) 0;
  border-top: var(--stroke-hair) solid var(--line);
}

.at-dict-ff-box {
  margin-top: var(--space-3);
  padding: var(--space-3);
  background: var(--bg-inset);
  border-left: 3px solid var(--brand);
  border-radius: var(--radius-sm);
}

.at-dict-examples {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-3);
  margin-top: var(--space-3);
}

.at-dict-example {
  padding: var(--space-3);
  background: var(--bg-inset);
  border: var(--stroke-hair) solid var(--line);
  border-radius: var(--radius-sm);
}

.at-conj-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: var(--space-3);
}

.at-conj-tense {
  padding: var(--space-2) var(--space-3);
  background: var(--bg-inset);
  border: var(--stroke-hair) solid var(--line);
  border-radius: var(--radius-sm);
}

.at-conj-tense h4 {
  margin: 0 0 var(--space-2) 0;
  color: var(--brand);
}

.at-conj-table {
  width: 100%;
  border-collapse: collapse;
}

.at-conj-table td {
  padding: 2px var(--space-1);
  border-bottom: var(--stroke-hair) solid var(--line);
}

.at-conj-table tr:last-child td {
  border-bottom: 0;
}

/* Preparación pre-jurada y auditoría de cifras */
.at-sworn-notice {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  margin-bottom: var(--space-3);
  background: var(--surface);
  border: var(--stroke-hair) solid var(--line-strong);
  border-left: 3px solid var(--brand);
  border-radius: var(--radius-sm);
  color: var(--ink);
}

.at-notice-ico {
  color: var(--indicator);
  margin-top: 2px;
}

.at-sworn-meta-card {
  margin-bottom: var(--space-3);
}

.at-sworn-meta-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}

.at-sworn-checks {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.at-sworn-audit-card {
  margin-top: var(--space-4);
}

.at-audit-box {
  margin-top: var(--space-3);
  padding: var(--space-3);
  background: var(--bg-inset);
  border: var(--stroke-hair) solid var(--line-strong);
  border-left: 3px solid var(--brand);
  border-radius: var(--radius-sm);
}

.at-audit-box.is-warn {
  border-left-color: var(--indicator);
}

.at-audit-chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  margin-top: var(--space-2);
}

/* Cabina de interpretación en vivo y acta bilingüe */
.at-live-stage-card {
  margin-bottom: var(--space-3);
}

.at-live-stage {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: var(--space-3);
  padding: var(--space-5);
  min-height: 170px;
  background: var(--bg-inset);
  border: var(--stroke-hair) solid var(--line-strong);
  border-left: 4px solid var(--indicator);
  border-radius: var(--radius-md);
}

.at-live-src {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--ink-muted);
}

.at-live-dst {
  margin: 0;
  font-size: 1.5rem;
  line-height: 1.35;
  font-weight: 600;
  color: var(--ink);
}

.at-minutes-title-wrap {
  flex: 1 1 320px;
}

@media (max-width: 859.98px) {
  .at-dict-results-grid {
    grid-template-columns: 1fr;
  }
}

/* OSS-02 / OSS-03 / OSS-04 / OSS-05 Diff, Legibilidad y Morfología (sin estilos inline) */
.at-diff-box {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin: var(--space-2) 0 var(--space-3);
  border-left: 3px solid var(--accent-primary, #6c63ff);
}

.at-diff-box[hidden] {
  display: none;
}

.at-diff-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
}

.at-readability-pills {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
}

.at-diff-tokens {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  line-height: 1.5;
}

.at-diff-eq {
  color: var(--ink);
}

.at-diff-add {
  padding: 1px 5px;
  border-radius: var(--radius-xs, 4px);
  background: rgba(34, 197, 94, 0.16);
  color: #4ade80;
}

.at-diff-del {
  padding: 1px 5px;
  border-radius: var(--radius-xs, 4px);
  background: rgba(239, 68, 68, 0.16);
  color: #f87171;
  text-decoration: line-through;
}

.at-style-hints-list {
  margin: 0;
  padding-left: 1.25rem;
  color: var(--ink-muted);
}

.at-morph-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  margin-top: var(--space-2);
}

.at-audit-warn-list {
  margin: var(--space-1) 0 0;
  padding-left: 1.25rem;
  color: #fbbf24;
}

.at-lang-region-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: var(--space-2) var(--space-1) var(--space-2);
  border-bottom: var(--stroke-hair) solid var(--line);
}

.at-region-pill {
  appearance: none;
  border: var(--stroke-hair) solid var(--line-strong);
  background: var(--bg-inset);
  color: var(--ink-muted);
  border-radius: 999px;
  padding: 3px 10px;
  font-size: 0.72rem;
  line-height: 1.3;
  cursor: pointer;
  transition: background 140ms ease, color 140ms ease, border-color 140ms ease;
}

.at-region-pill:hover {
  color: var(--ink);
  border-color: var(--indicator);
}

.at-region-pill.is-active {
  background: var(--state-selected);
  color: var(--indicator);
  border-color: var(--indicator);
  font-weight: 600;
}

.at-lang-meta-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.at-lang-script-badge {
  font-size: 0.65rem;
  letter-spacing: 0.02em;
  padding: 1px 6px;
  border-radius: 4px;
  background: var(--bg-inset);
  border: var(--stroke-hair) solid var(--line);
  color: var(--ink-muted);
}

/* Galería de identidad visual AINTECH Translate (Logos, Tipografía y Firmas SVG) */
.at-brand-showcase-wrap {
  max-width: 1440px;
  margin-inline: auto;
  padding: 0 var(--space-5) var(--space-4);
}

.at-brand-showcase {
  border: var(--stroke-hair) solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
}

.at-brand-showcase[open] .at-chevron {
  transform: rotate(180deg);
}

.at-brand-showcase__summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  cursor: pointer;
  list-style: none;
  color: var(--ink);
  font-size: 0.8125rem;
  font-weight: 600;
}

.at-brand-showcase__summary:hover {
  background: var(--state-hover);
}

.at-brand-showcase__summary::-webkit-details-marker {
  display: none;
}

.at-brand-showcase__title-group,
.at-brand-showcase__badges {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.at-brand-showcase__body {
  padding: 0 var(--space-4) var(--space-4);
  border-top: var(--stroke-hair) solid var(--line);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.at-brand-showcase__toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  padding-top: var(--space-3);
}

.at-brand-showcase__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-3);
}

.at-brand-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-3);
  border: var(--stroke-hair) solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--bg-inset);
}

.at-brand-preview {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 112px;
  padding: var(--space-3);
  border: var(--stroke-hair) solid var(--line);
  border-radius: var(--radius-sm);
  background: radial-gradient(circle at 50% 0%, rgba(23, 73, 119, 0.55), transparent 72%), #030d1c;
}

.at-brand-preview.is-claro {
  background: #f4f8fc;
}

.at-brand-preview img {
  display: block;
  max-width: 100%;
  height: auto;
  max-height: 88px;
}

.at-brand-card__foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  flex-wrap: wrap;
}

/* Ajustes cromáticos para tema Claro y Alto Contraste */
[data-theme="light"] .at-diff-add {
  background: rgba(22, 163, 74, 0.14);
  color: #15803d;
}

[data-theme="light"] .at-diff-del {
  background: rgba(220, 38, 38, 0.12);
  color: #b91c1c;
}

[data-theme="light"] .at-audit-warn-list {
  color: #b45309;
}

[data-theme="light"] .at-status-chip--on {
  color: #15803d;
  border-color: rgba(21, 128, 61, 0.35);
}

[data-theme="light"] .at-pii-token {
  background: rgba(12, 63, 178, 0.10);
  color: var(--brand);
  border-color: rgba(12, 63, 178, 0.28);
}

[data-theme="light"] .at-btn-kbd {
  background: rgba(3, 13, 28, 0.42);
  color: #ffffff;
  border-color: rgba(201, 234, 255, 0.42);
}

[data-theme="hc"] .at-pane,
[data-theme="hc"] .at-command-bar,
[data-theme="hc"] .at-phrasebook-item,
[data-theme="hc"] .at-voice-turn,
[data-theme="hc"] .at-dropzone {
  border-width: 2px;
}

/* ============================================================================
 * AINA.AIN-TECH.CLOUD · SAPPHIRE-CRYSTAL 4D & TYPOGRAPHY SYSTEM LAYER
 * ============================================================================ */

/* Capas y contextos de apilamiento para evitar solapamientos con backdrop-filter */
.at-main,
.at-footer {
  position: relative;
  z-index: 1;
}

.at-pane,
.ain-card,
.at-phrasebook-panel,
.at-dropzone {
  position: relative;
  z-index: 1;
}

.at-command-bar {
  position: relative;
  z-index: 20;
}

.at-command-bar:has(details[open]),
.ain-card:has(details[open]),
.at-pane:has(details[open]),
.at-submode-strip:has(details[open]) {
  z-index: 30;
}

/* Tipografía canónica AINTECH Display Next VF + Mono en encabezados y métricas */
.at-section-intro h2,
.at-dict-lemma,
.at-live-dst,
.ain-card__title,
.ain-drawer__title,
.ain-dialog__header h2,
.h2,
.h3,
.h4,
.h5 {
  font-family: var(--font-display);
  font-feature-settings: "kern" 1, "liga" 1;
  letter-spacing: -0.015em;
}

.at-tabular,
.at-hash-pre,
.at-format-chip,
.ain-badge--count,
.at-lang-script-badge,
.at-pii-token,
.at-btn-kbd,
.ain-kbd__key {
  font-family: var(--font-mono);
}

/* Barra superior HUD Obsidian Sapphire Frosted */
.at-navbar {
  background: linear-gradient(180deg, rgba(6, 19, 38, 0.92) 0%, rgba(3, 13, 28, 0.86) 100%);
  backdrop-filter: blur(20px) saturate(165%);
  -webkit-backdrop-filter: blur(20px) saturate(165%);
  border-block-end: 1px solid var(--line-strong);
  box-shadow:
    0 2px 0 rgba(10, 25, 46, 0.90),
    0 12px 30px rgba(1, 6, 15, 0.68),
    inset 0 -1px 0 rgba(66, 125, 252, 0.28);
}

.at-mark-symbol {
  filter: drop-shadow(0 0 8px rgba(134, 205, 255, 0.36));
}

.at-mark-aina,
.at-mark-translate {
  filter: drop-shadow(0 0 6px rgba(134, 205, 255, 0.18));
}

.at-seeker-link {
  border: 1px solid transparent;
}

.at-seeker-link:hover {
  background: linear-gradient(180deg, rgba(134, 205, 255, 0.14), rgba(66, 125, 252, 0.10));
  border-color: rgba(134, 205, 255, 0.32);
  color: var(--genesis);
}

.at-mode-tab {
  border: 1px solid transparent;
  transition: background 140ms ease, color 140ms ease, border-color 140ms ease, box-shadow 140ms ease;
}

.at-mode-tab:hover {
  color: var(--ink);
  background: rgba(134, 205, 255, 0.10);
  border-color: rgba(134, 205, 255, 0.24);
}

.at-mode-tab.is-active {
  color: #ffffff;
  background: linear-gradient(135deg, rgba(66, 125, 252, 0.28) 0%, rgba(29, 188, 181, 0.16) 100%);
  border-color: rgba(134, 205, 255, 0.38);
  box-shadow:
    inset 0 1px 0 rgba(201, 234, 255, 0.38),
    0 4px 12px rgba(3, 13, 28, 0.45);
}

.at-mode-tab.is-active .at-ico {
  color: var(--esfera);
}

.at-mode-tab.is-active::after {
  inset-inline: 8px;
  height: 2px;
  border-block-end: 0;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--cubo), var(--icosa), var(--esfera));
  box-shadow: 0 0 10px var(--esfera);
}

/* Barra de comandos y selectores rápidos */
.at-command-bar {
  background: linear-gradient(180deg, rgba(12, 28, 49, 0.88) 0%, rgba(6, 18, 35, 0.92) 100%);
  backdrop-filter: blur(18px) saturate(155%);
  -webkit-backdrop-filter: blur(18px) saturate(155%);
  border: 1px solid var(--line-strong);
  border-block-start: 2px solid rgba(134, 205, 255, 0.48);
  box-shadow:
    0 3px 0 rgba(12, 30, 54, 0.92),
    0 14px 34px rgba(1, 6, 16, 0.62),
    inset 0 1px 0 rgba(201, 234, 255, 0.26);
}

.at-quick-pills,
.at-submode-bar {
  background: rgba(4, 14, 29, 0.78);
  border: 1px solid rgba(134, 205, 255, 0.24);
  box-shadow: inset 0 1px 2px rgba(1, 6, 16, 0.55);
}

.at-pill-btn.is-active,
.at-submode-btn.is-active {
  background: linear-gradient(135deg, rgba(66, 125, 252, 0.28) 0%, rgba(29, 188, 181, 0.16) 100%);
  color: var(--ink);
  box-shadow: inset 0 1px 0 rgba(201, 234, 255, 0.34);
}

.at-pill-btn.is-active::after {
  height: 2px;
  border-block-end: 0;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--cubo), var(--esfera));
  box-shadow: 0 0 8px rgba(134, 205, 255, 0.65);
}

/* Paneles de traducción Sapphire-Crystal */
.at-pane {
  background: linear-gradient(165deg, rgba(11, 27, 49, 0.90) 0%, rgba(5, 14, 29, 0.94) 100%);
  backdrop-filter: blur(22px) saturate(160%);
  -webkit-backdrop-filter: blur(22px) saturate(160%);
  border: 1px solid var(--line-strong);
  border-block-start: 2px solid var(--cubo);
  box-shadow:
    0 4px 0 rgba(12, 31, 56, 0.92),
    0 20px 48px rgba(1, 6, 16, 0.72),
    inset 0 1px 1px rgba(201, 234, 255, 0.30);
}

.at-pane-target {
  border-block-start-color: var(--esfera);
  background: linear-gradient(165deg, rgba(13, 32, 58, 0.91) 0%, rgba(6, 16, 33, 0.95) 100%);
}

.at-pane--speaker-a {
  border-block-start-color: var(--icosa);
}

.at-pane--speaker-b {
  border-block-start-color: var(--cubo);
}

.at-pane:focus-within {
  border-color: var(--esfera);
  box-shadow:
    0 4px 0 var(--cubo),
    0 22px 52px rgba(2, 8, 20, 0.82),
    0 0 26px rgba(66, 125, 252, 0.26),
    inset 0 1px 1px rgba(201, 234, 255, 0.48);
}

.at-pane-header,
.at-pane-footer {
  background: rgba(6, 17, 34, 0.56);
}

.at-translit-bar {
  background: rgba(6, 19, 38, 0.78);
  border-block-start: 1px solid rgba(134, 205, 255, 0.22);
}

.at-char-progress {
  background: rgba(134, 205, 255, 0.16);
}

.at-char-progress::-webkit-progress-bar {
  background: rgba(134, 205, 255, 0.16);
}

.at-char-progress::-webkit-progress-value {
  background: linear-gradient(90deg, var(--cubo) 0%, var(--icosa) 55%, var(--esfera) 100%);
  box-shadow: 0 0 8px rgba(134, 205, 255, 0.45);
}

.at-char-progress::-moz-progress-bar {
  background: linear-gradient(90deg, var(--cubo) 0%, var(--icosa) 55%, var(--esfera) 100%);
}

/* Tarjetas, estudio de documentos, cabina en vivo, glosario e identidad */
.ain-card,
.at-insight-card,
.at-phrasebook-panel,
.at-brand-showcase,
.at-dropzone {
  background: linear-gradient(165deg, rgba(11, 26, 47, 0.88) 0%, rgba(6, 16, 32, 0.92) 100%);
  backdrop-filter: blur(18px) saturate(150%);
  -webkit-backdrop-filter: blur(18px) saturate(150%);
  border: 1px solid var(--line);
  border-block-start: 2px solid rgba(134, 205, 255, 0.52);
  box-shadow:
    0 3px 0 rgba(10, 26, 48, 0.88),
    0 14px 34px rgba(1, 6, 16, 0.60),
    inset 0 1px 0 rgba(201, 234, 255, 0.24);
}

.at-dropzone {
  border-style: dashed;
  border-color: rgba(134, 205, 255, 0.38);
}

.at-dropzone:hover,
.at-dropzone.is-dragover {
  border-color: var(--esfera);
  background: linear-gradient(165deg, rgba(18, 41, 74, 0.92) 0%, rgba(8, 22, 43, 0.95) 100%);
  box-shadow:
    0 3px 0 var(--cubo),
    0 16px 36px rgba(66, 125, 252, 0.24),
    inset 0 1px 0 rgba(201, 234, 255, 0.36);
}

.at-dropzone__icon {
  background: linear-gradient(180deg, rgba(18, 40, 72, 0.92), rgba(7, 19, 36, 0.96));
  border-color: rgba(134, 205, 255, 0.38);
  box-shadow: inset 0 1px 0 rgba(201, 234, 255, 0.25);
}

.at-phrasebook-item,
.at-dict-example,
.at-conj-tense,
.at-history-item,
.at-brand-card,
.at-live-stage,
.at-voice-turn,
.at-audit-box,
.at-sworn-notice,
.at-dict-ff-box,
.at-diff-box {
  background: rgba(6, 18, 36, 0.78);
  border-color: rgba(134, 205, 255, 0.24);
  box-shadow: inset 0 1px 0 rgba(201, 234, 255, 0.12);
}

.at-live-stage,
.at-audit-box,
.at-sworn-notice,
.at-dict-ff-box {
  border-inline-start: 3px solid var(--icosa);
}

.at-studio-kicker {
  background: linear-gradient(135deg, rgba(66, 125, 252, 0.20), rgba(29, 188, 181, 0.14));
  border-color: rgba(134, 205, 255, 0.42);
  color: var(--genesis);
  box-shadow: inset 0 1px 0 rgba(201, 234, 255, 0.25);
}

/* Popovers, menús, cajón lateral y diálogos */
.at-dropdown-panel,
.ain-menu__list,
.ain-drawer__panel,
.ain-dialog__panel {
  background: linear-gradient(165deg, rgba(10, 25, 46, 0.96) 0%, rgba(4, 12, 26, 0.98) 100%);
  backdrop-filter: blur(24px) saturate(170%);
  -webkit-backdrop-filter: blur(24px) saturate(170%);
  border: 1px solid var(--line-strong);
  border-block-start: 2px solid var(--esfera);
  box-shadow:
    0 4px 0 rgba(10, 26, 48, 0.95),
    0 24px 56px rgba(0, 4, 12, 0.82),
    inset 0 1px 1px rgba(201, 234, 255, 0.34);
}

.ain-menu__item--selected,
.at-lang-option.is-selected {
  background: linear-gradient(135deg, rgba(66, 125, 252, 0.26) 0%, rgba(29, 188, 181, 0.14) 100%);
  border-color: rgba(134, 205, 255, 0.48);
  color: var(--ink);
}

.at-region-pill {
  background: rgba(6, 18, 36, 0.82);
  border-color: rgba(134, 205, 255, 0.26);
}

.at-region-pill.is-active {
  background: linear-gradient(135deg, rgba(66, 125, 252, 0.30), rgba(29, 188, 181, 0.18));
  border-color: var(--esfera);
  color: #ffffff;
}

/* Botones Prismáticos 4D y controles */
.ain-btn--primary {
  background: linear-gradient(135deg, #427dfc 0%, #1dbcb5 55%, #008ceb 100%);
  color: #ffffff;
  border: 1px solid rgba(201, 234, 255, 0.48);
  box-shadow:
    0 2px 0 #0e317f,
    0 8px 20px rgba(66, 125, 252, 0.42),
    inset 0 1px 1px rgba(255, 255, 255, 0.42);
  text-shadow: 0 1px 2px rgba(3, 13, 28, 0.45);
}

.ain-btn--primary:hover:not(:disabled) {
  background: linear-gradient(135deg, #568dfd 0%, #25d0c8 55%, #1ca0fa 100%);
  border-color: #c9eaff;
  box-shadow:
    0 3px 0 #0e317f,
    0 12px 26px rgba(66, 125, 252, 0.56),
    inset 0 1px 2px rgba(255, 255, 255, 0.65);
  transform: translateY(-1px);
}

.ain-btn--secondary,
.at-quick-sample-btn {
  background: linear-gradient(180deg, rgba(15, 34, 60, 0.88) 0%, rgba(8, 20, 38, 0.94) 100%);
  border: 1px solid rgba(134, 205, 255, 0.28);
  color: var(--ink);
  box-shadow:
    0 2px 0 rgba(8, 21, 40, 0.92),
    inset 0 1px 0 rgba(201, 234, 255, 0.22);
}

.ain-btn--secondary:hover:not(:disabled),
.at-quick-sample-btn:hover:not(:disabled) {
  background: linear-gradient(180deg, rgba(22, 48, 84, 0.92) 0%, rgba(11, 27, 50, 0.96) 100%);
  border-color: var(--esfera);
  box-shadow:
    0 2px 0 var(--cubo),
    0 6px 16px rgba(66, 125, 252, 0.28),
    inset 0 1px 0 rgba(201, 234, 255, 0.44);
}

.ain-btn--ghost:hover:not(:disabled) {
  background: rgba(134, 205, 255, 0.12);
  border-color: rgba(134, 205, 255, 0.24);
}

.at-btn-kbd,
.ain-kbd__key {
  background: linear-gradient(180deg, rgba(9, 22, 41, 0.92) 0%, rgba(4, 11, 24, 0.96) 100%);
  border: 1px solid rgba(134, 205, 255, 0.40);
  color: var(--genesis);
  box-shadow: 0 1px 0 #061326, inset 0 1px 0 rgba(255, 255, 255, 0.20);
}

.at-search-input,
.at-input,
.at-rate-select,
.at-compact-select,
.ain-select__box,
.at-textarea--compact {
  background: rgba(5, 16, 33, 0.88);
  border-color: rgba(134, 205, 255, 0.30);
  box-shadow: inset 0 1px 2px rgba(0, 4, 12, 0.48);
}

.at-search-input:focus-visible,
.at-input:focus-visible,
.at-textarea--compact:focus-visible {
  border-color: var(--esfera);
  box-shadow: 0 0 0 2px rgba(66, 125, 252, 0.28), inset 0 1px 2px rgba(0, 4, 12, 0.48);
}

.ain-badge--count {
  background: rgba(66, 125, 252, 0.24);
  border: 1px solid rgba(134, 205, 255, 0.40);
  color: var(--genesis);
}

.at-table thead th,
.ain-table thead th {
  background: rgba(6, 18, 36, 0.90);
  color: var(--genesis);
  border-block-end: 1px solid rgba(134, 205, 255, 0.34);
}

.at-footer {
  background: linear-gradient(180deg, rgba(4, 14, 29, 0.86) 0%, rgba(3, 13, 28, 0.96) 100%);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-block-start: 1px solid var(--line);
}

/* Skin Vitrina / Claro (aina.ain-tech.cloud Daylight) */
[data-theme="light"] .at-navbar {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.94) 0%, rgba(240, 246, 253, 0.90) 100%);
  box-shadow:
    0 2px 0 rgba(12, 63, 178, 0.10),
    0 8px 22px rgba(7, 22, 44, 0.08);
}

[data-theme="light"] .at-mark-symbol,
[data-theme="light"] .at-mark-aina,
[data-theme="light"] .at-mark-translate {
  filter: none;
}

[data-theme="light"] .at-mode-tab.is-active {
  color: #07162c;
  background: linear-gradient(135deg, rgba(12, 63, 178, 0.12) 0%, rgba(8, 124, 119, 0.08) 100%);
  border-color: rgba(12, 63, 178, 0.30);
  box-shadow: inset 0 1px 0 #ffffff, 0 2px 8px rgba(12, 63, 178, 0.08);
}

[data-theme="light"] .at-command-bar,
[data-theme="light"] .at-pane,
[data-theme="light"] .at-pane-target,
[data-theme="light"] .ain-card,
[data-theme="light"] .at-insight-card,
[data-theme="light"] .at-phrasebook-panel,
[data-theme="light"] .at-brand-showcase,
[data-theme="light"] .at-dropzone {
  background: linear-gradient(165deg, rgba(255, 255, 255, 0.96) 0%, rgba(243, 248, 254, 0.96) 100%);
  box-shadow:
    0 3px 0 rgba(12, 63, 178, 0.12),
    0 14px 30px rgba(7, 22, 44, 0.07),
    inset 0 1px 0 #ffffff;
}

[data-theme="light"] .at-pane-header,
[data-theme="light"] .at-pane-footer,
[data-theme="light"] .at-translit-bar {
  background: rgba(234, 242, 250, 0.78);
}

[data-theme="light"] .at-quick-pills,
[data-theme="light"] .at-submode-bar {
  background: rgba(234, 241, 248, 0.92);
  border-color: rgba(31, 134, 205, 0.24);
  box-shadow: none;
}

[data-theme="light"] .at-pill-btn.is-active,
[data-theme="light"] .at-submode-btn.is-active {
  background: #ffffff;
  color: #0c3fb2;
  box-shadow: 0 1px 3px rgba(7, 22, 44, 0.10);
}

[data-theme="light"] .at-phrasebook-item,
[data-theme="light"] .at-dict-example,
[data-theme="light"] .at-conj-tense,
[data-theme="light"] .at-history-item,
[data-theme="light"] .at-brand-card,
[data-theme="light"] .at-live-stage,
[data-theme="light"] .at-voice-turn,
[data-theme="light"] .at-audit-box,
[data-theme="light"] .at-sworn-notice,
[data-theme="light"] .at-dict-ff-box,
[data-theme="light"] .at-diff-box,
[data-theme="light"] .at-search-input,
[data-theme="light"] .at-input,
[data-theme="light"] .at-rate-select,
[data-theme="light"] .at-compact-select,
[data-theme="light"] .ain-select__box,
[data-theme="light"] .at-textarea--compact,
[data-theme="light"] .at-region-pill,
[data-theme="light"] .at-dropzone__icon {
  background: #ffffff;
  border-color: rgba(31, 134, 205, 0.26);
  box-shadow: none;
}

[data-theme="light"] .at-dropdown-panel,
[data-theme="light"] .ain-menu__list,
[data-theme="light"] .ain-drawer__panel,
[data-theme="light"] .ain-dialog__panel {
  background: rgba(255, 255, 255, 0.98);
  border-color: rgba(31, 134, 205, 0.36);
  box-shadow:
    0 3px 0 rgba(12, 63, 178, 0.14),
    0 20px 44px rgba(7, 22, 44, 0.14);
}

[data-theme="light"] .ain-btn--secondary,
[data-theme="light"] .at-quick-sample-btn {
  background: linear-gradient(180deg, #ffffff 0%, #eff5fc 100%);
  border-color: rgba(12, 63, 178, 0.24);
  color: #07162c;
  box-shadow: 0 2px 0 rgba(12, 63, 178, 0.12), inset 0 1px 0 #ffffff;
}

[data-theme="light"] .ain-btn--secondary:hover:not(:disabled),
[data-theme="light"] .at-quick-sample-btn:hover:not(:disabled) {
  background: linear-gradient(180deg, #ffffff 0%, #e4effb 100%);
  border-color: #0c3fb2;
  color: #0c3fb2;
}

[data-theme="light"] .ain-kbd__key {
  background: #eaf1f8;
  border-color: rgba(12, 63, 178, 0.28);
  color: #07162c;
  box-shadow: 0 1px 0 rgba(12, 63, 178, 0.16);
}

[data-theme="light"] .ain-badge--count,
[data-theme="light"] .at-studio-kicker,
[data-theme="light"] .at-region-pill.is-active {
  background: rgba(12, 63, 178, 0.10);
  border-color: rgba(12, 63, 178, 0.34);
  color: #0c3fb2;
}

[data-theme="light"] .at-table thead th,
[data-theme="light"] .ain-table thead th {
  background: #eaf1f8;
  color: #07162c;
}

[data-theme="light"] .at-footer {
  background: rgba(244, 248, 252, 0.92);
}

/* Alto Contraste (WCAG AAA) */
[data-theme="hc"] .at-navbar,
[data-theme="hc"] .at-command-bar,
[data-theme="hc"] .at-pane,
[data-theme="hc"] .ain-card,
[data-theme="hc"] .at-dropdown-panel,
[data-theme="hc"] .ain-drawer__panel,
[data-theme="hc"] .ain-dialog__panel {
  background: #050c18;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  box-shadow: none;
  border-color: #ffffff;
}

@media (prefers-reduced-motion: reduce) {
  .ain-btn,
  .at-mode-tab,
  .at-pill-btn {
    transition: none;
  }

  .ain-btn--primary:hover:not(:disabled) {
    transform: none;
  }
}