:root {
  --bg: #eef2eb;
  --bg-accent: rgba(18, 132, 83, 0.12);
  --surface: rgba(248, 250, 244, 0.9);
  --surface-strong: #fbfcf8;
  --surface-soft: rgba(255, 255, 255, 0.72);
  --ink: #132118;
  --muted: #617064;
  --line: rgba(19, 33, 24, 0.12);
  --accent: #0f7a46;
  --accent-strong: #0d6238;
  --accent-soft: rgba(15, 122, 70, 0.12);
  --warn: #8c5a13;
  --warn-soft: rgba(140, 90, 19, 0.12);
  --danger: #8c2a2a;
  --danger-soft: rgba(140, 42, 42, 0.12);
  --shadow: 0 24px 60px rgba(19, 33, 25, 0.08);
  --scrollbar-size: 11px;
  --scrollbar-track: color-mix(in srgb, var(--surface-strong) 82%, transparent);
  --scrollbar-thumb: color-mix(in srgb, var(--ink) 16%, transparent);
  --scrollbar-thumb-hover: color-mix(in srgb, var(--accent) 22%, var(--ink) 14%);
  --radius-xl: 18px;
  --radius-lg: 12px;
  --radius-md: 8px;
}

:root[data-theme="dark"] {
  --bg: #0d1410;
  --bg-accent: rgba(74, 173, 123, 0.18);
  --surface: rgba(17, 27, 21, 0.82);
  --surface-strong: rgba(21, 33, 26, 0.94);
  --surface-soft: rgba(255, 255, 255, 0.04);
  --ink: #edf6ef;
  --muted: #9fb1a4;
  --line: rgba(237, 246, 239, 0.1);
  --accent: #3fc881;
  --accent-strong: #2a9d63;
  --accent-soft: rgba(63, 200, 129, 0.16);
  --warn: #ecbf6c;
  --warn-soft: rgba(236, 191, 108, 0.15);
  --danger: #ff8a8a;
  --danger-soft: rgba(255, 138, 138, 0.12);
  --shadow: 0 24px 60px rgba(0, 0, 0, 0.34);
  --scrollbar-track: color-mix(in srgb, var(--surface-strong) 88%, transparent);
  --scrollbar-thumb: color-mix(in srgb, var(--ink) 22%, transparent);
  --scrollbar-thumb-hover: color-mix(in srgb, var(--accent) 28%, var(--ink) 14%);
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
  overflow: hidden;
}

body {
  margin: 0;
  font-family: "IBM Plex Sans", sans-serif;
  font-size: 15px;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, var(--bg-accent), transparent 30%),
    linear-gradient(180deg, color-mix(in srgb, var(--bg) 84%, white 16%) 0%, var(--bg) 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(19, 33, 24, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(19, 33, 24, 0.04) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.25), transparent 88%);
}

code,
input,
select,
button {
  font: inherit;
}

button,
input,
select {
  color: inherit;
}

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

.app-shell {
  height: 100svh;
  display: grid;
  grid-template-rows: auto auto minmax(0, 1fr);
  gap: 0;
  padding: 0 0 10px;
}

.surface {
  backdrop-filter: blur(14px);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.topbar {
  position: relative;
  z-index: 60;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 10px;
  padding: 6px 14px;
  width: 100%;
  margin: 0;
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--surface-strong) 96%, transparent), color-mix(in srgb, var(--surface-strong) 90%, transparent));
}

.brand-block {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-mark {
  width: 34px;
  height: 34px;
  flex: 0 0 34px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  transition: transform 180ms ease, background-color 180ms ease;
}

.brand-mark:hover {
  transform: translateY(-1px);
  background: var(--accent-soft);
}

.brand-mark:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.brand-mark img {
  display: block;
  width: 34px;
  height: 34px;
  object-fit: contain;
}

.brand-name {
  display: block;
  margin-top: 2px;
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.02rem;
}

.brand-version {
  margin-left: 5px;
  color: var(--muted);
  font-family: "IBM Plex Sans", sans-serif;
  font-size: 0.64rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  vertical-align: 0.08em;
}

.eyebrow,
.section-kicker,
.metric-label {
  display: inline-block;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--muted);
}

.main-nav {
  display: none;
  align-items: center;
  justify-content: center;
  gap: 12px;
  justify-self: center;
  width: auto;
  padding: 0;
  border-radius: 0;
  background: transparent;
  border: 0;
}

.view-tabs {
  z-index: 50;
  display: flex;
  align-items: end;
  width: 100%;
  padding: 0 14px;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--surface-strong) 88%, transparent);
}

.view-tab {
  flex: 0 0 auto;
  min-height: 38px;
  padding: 8px 6px 6px;
  border: 0;
  border-bottom: 2px solid transparent;
  color: var(--muted);
  background: transparent;
  cursor: pointer;
  font-weight: 600;
  text-align: left;
  transition: color 160ms ease, border-color 160ms ease, background 160ms ease;
}

.view-tab:hover {
  color: var(--ink);
  background: color-mix(in srgb, var(--ink) 3%, transparent);
}

.view-tab.is-active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.view-tab:focus-visible {
  outline: 0;
  box-shadow: inset 0 -2px 0 color-mix(in srgb, var(--accent) 58%, transparent);
}

.nav-link {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 9px 16px;
  border-radius: var(--radius-md);
  color: var(--muted);
  border: 1px solid transparent;
  transition: background-color 180ms ease, border-color 180ms ease, color 180ms ease, transform 180ms ease;
}

.nav-link:hover {
  color: var(--ink);
  background: color-mix(in srgb, var(--surface-soft) 72%, transparent);
  border-color: color-mix(in srgb, var(--line) 88%, transparent);
}

.nav-link.is-active {
  color: var(--ink);
  background: color-mix(in srgb, var(--surface-soft) 92%, transparent);
  border-color: color-mix(in srgb, var(--line) 96%, transparent);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
}

.menu-toggle {
  display: none;
  position: relative;
  z-index: 63;
  width: 40px;
  height: 40px;
  margin-left: auto;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: color-mix(in srgb, var(--ink) 6%, transparent);
  align-items: center;
  justify-content: center;
  gap: 4px;
  flex-direction: column;
}

.menu-toggle span {
  width: 16px;
  height: 2px;
  border-radius: 999px;
  background: currentColor;
  transition: transform 180ms ease, opacity 180ms ease;
}

.topbar.is-menu-open .menu-toggle span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.topbar.is-menu-open .menu-toggle span:nth-child(2) {
  opacity: 0;
}

.topbar.is-menu-open .menu-toggle span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

.topbar-panel {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.topbar-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  flex-wrap: wrap;
  padding: 0;
  border-radius: 0;
  background: transparent;
  border: 0;
}

.topbar-backdrop {
  position: fixed;
  inset: 0;
  z-index: 61;
  background: rgba(4, 10, 7, 0.46);
  backdrop-filter: blur(16px) saturate(120%);
  -webkit-backdrop-filter: blur(16px) saturate(120%);
  opacity: 0;
  pointer-events: none;
  transition: opacity 180ms ease;
}

.topbar.is-menu-open .topbar-backdrop {
  opacity: 1;
  pointer-events: auto;
}

.workspace {
  min-width: 0;
  min-height: 0;
}

.workspace[hidden] {
  display: none;
}

.workspace-v2 {
  display: grid;
  align-content: start;
  min-height: 0;
  overflow: auto;
  padding-top: 8px;
  background:
    linear-gradient(
      180deg,
      color-mix(in srgb, var(--surface-strong) 96%, transparent) 0,
      color-mix(in srgb, var(--surface-soft) 54%, transparent) 44px,
      transparent 128px
    );
  scrollbar-gutter: stable;
  scrollbar-width: thin;
  scrollbar-color: var(--scrollbar-thumb) var(--scrollbar-track);
}

body:not(.is-authenticated) .workspace,
body:not(.is-authenticated) .menu-toggle,
body:not(.is-authenticated) .topbar-actions {
  visibility: hidden;
}

.content-shell {
  width: min(100%, 1480px);
  margin: 0 auto;
  display: grid;
  gap: 10px;
  padding: 0 10px 10px;
}

.cuit-workspace {
  align-content: stretch;
}

.cuit-workspace .content-shell {
  width: 100%;
  margin: 0;
  padding-inline: 0;
}

.cuit-search-surface {
  display: grid;
  align-content: center;
  justify-items: center;
  min-height: min(280px, 38svh);
  text-align: center;
}

.cuit-intro {
  max-width: 46ch;
  margin: 12px 0 0;
  color: var(--muted);
  line-height: 1.5;
}

.cuit-form {
  width: min(680px, 100%);
  margin-inline: auto;
  margin-top: 20px;
  text-align: left;
}

.cuit-input-row {
  display: flex;
  gap: 10px;
}

.cuit-input-row .primary-btn {
  min-height: 44px;
}

.cuit-feedback {
  min-height: 1.4em;
  margin: 10px 0 0;
  color: var(--muted);
}

.cuit-feedback.is-error {
  color: var(--danger);
}

.cuit-feedback.is-warning {
  color: var(--warn);
}

.cuit-feedback.is-success {
  color: var(--accent);
}

.cuit-report {
  display: grid;
  gap: 10px;
}

.cuit-report[hidden] {
  display: none;
}

.cuit-summary-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  margin-top: 18px;
}

.cuit-summary-grid dl {
  min-width: 0;
  margin: 0;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface-soft);
}

.cuit-summary-grid dt {
  color: var(--muted);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.cuit-summary-grid dd {
  margin: 6px 0 0;
  font-family: "Space Grotesk", sans-serif;
  font-size: 1rem;
  overflow-wrap: anywhere;
}

.cuit-table-wrap {
  margin-top: 14px;
  overflow-x: auto;
}

.cuit-table-wrap table {
  min-width: 720px;
}

.surface {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 14px 16px;
  min-width: 0;
}

.hero-surface {
  display: none;
  grid-template-columns: minmax(0, 1.4fr) auto;
  align-items: start;
  gap: 14px;
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--accent) 10%, transparent), transparent 54%),
    var(--surface);
}

.hero-surface h1,
.surface h2 {
  margin: 8px 0 0;
  font-family: "Space Grotesk", sans-serif;
  line-height: 0.96;
}

.hero-surface h1 {
  font-size: clamp(1.6rem, 3vw, 3.1rem);
  max-width: 11.5ch;
}

.hero-copy {
  margin: 10px 0 0;
  max-width: 46ch;
  color: var(--muted);
  line-height: 1.45;
}

.hero-side {
  display: grid;
  gap: 8px;
  min-width: min(180px, 100%);
}

.hero-chip {
  padding: 10px 12px;
  border-radius: var(--radius-md);
  background: var(--surface-soft);
  border: 1px solid var(--line);
}

.hero-chip strong {
  display: block;
  margin-top: 4px;
  font-family: "Space Grotesk", sans-serif;
  font-size: 0.98rem;
}

.surface-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 10px;
}

.surface h2 {
  font-size: clamp(1.1rem, 1.6vw, 1.9rem);
}

.surface-actions {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.compact-surface {
  padding: 12px 14px;
}

.compact-surface .surface-head {
  margin-bottom: 10px;
}

.compact-surface .dropzone {
  gap: 8px;
  padding: 16px 18px;
}

.compact-surface .dropzone-title {
  font-size: 1rem;
}

.compact-surface .dropzone-copy {
  font-size: 0.84rem;
}

.compact-surface .status-strip {
  gap: 8px;
  margin-top: 10px;
}

.compact-surface .status-strip > div {
  padding: 10px 12px;
}

.compact-surface .status-strip strong {
  margin-top: 4px;
  font-size: 1.2rem;
}

.upload-surface {
  transition: padding 180ms ease, transform 180ms ease;
}

.upload-surface.is-collapsed {
  padding-bottom: 16px;
}

.upload-surface.is-collapsed .surface-head {
  margin-bottom: 10px;
}

.upload-surface.is-collapsed .dropzone {
  display: none;
}

.upload-surface.is-collapsed .status-strip {
  margin-top: 0;
}

.dropzone {
  display: grid;
  gap: 10px;
  padding: 18px;
  border: 1.5px dashed color-mix(in srgb, var(--accent) 34%, transparent);
  border-radius: var(--radius-md);
  background:
    linear-gradient(135deg, color-mix(in srgb, var(--accent) 8%, transparent), rgba(255, 255, 255, 0.12)),
    var(--surface-strong);
  cursor: pointer;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.dropzone:hover,
.dropzone.is-dragover {
  transform: translateY(-2px);
  border-color: color-mix(in srgb, var(--accent) 72%, transparent);
}

.dropzone-title {
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.12rem;
}

.dropzone-copy {
  color: var(--muted);
  line-height: 1.45;
}

.status-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin-top: 10px;
}

.status-strip > div {
  padding: 10px 12px;
  border-radius: var(--radius-md);
  background: var(--surface-soft);
  border: 1px solid var(--line);
}

.status-strip strong {
  display: block;
  margin-top: 4px;
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.25rem;
}

.primary-btn,
.ghost-btn,
.icon-btn,
.text-btn {
  border: 0;
  cursor: pointer;
  transition: transform 160ms ease, opacity 160ms ease, background 160ms ease, color 160ms ease;
}

.primary-btn:hover,
.ghost-btn:hover,
.icon-btn:hover,
.text-btn:hover {
  transform: translateY(-1px);
}

.primary-btn:disabled {
  cursor: not-allowed;
  opacity: 0.45;
  transform: none;
}

.primary-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-width: 150px;
  padding: 10px 14px;
  border-radius: var(--radius-md);
  font-weight: 600;
  color: white;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
}

.primary-btn-nav {
  min-width: auto;
}

.primary-btn.is-loading {
  opacity: 0.92;
}

.btn-spinner {
  width: 15px;
  height: 15px;
  border: 2px solid rgba(255, 255, 255, 0.26);
  border-top-color: #ffffff;
  border-radius: 50%;
  display: none;
  flex: 0 0 15px;
  animation: button-spin 0.8s linear infinite;
}

.primary-btn.is-loading .btn-spinner {
  display: inline-block;
}

@keyframes button-spin {
  to {
    transform: rotate(360deg);
  }
}

.ghost-btn {
  padding: 8px 12px;
  border-radius: var(--radius-md);
  color: var(--ink);
  border: 1px solid transparent;
  background: color-mix(in srgb, var(--ink) 6%, transparent);
}

.logout-btn {
  min-width: auto;
  padding-inline: 16px;
  border: 1px solid color-mix(in srgb, var(--danger) 18%, var(--line));
  color: color-mix(in srgb, var(--ink) 90%, var(--danger) 10%);
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--danger-soft) 42%, transparent), color-mix(in srgb, var(--ink) 4%, transparent));
}

.logout-btn:hover {
  border-color: color-mix(in srgb, var(--danger) 28%, var(--line));
  background:
    linear-gradient(180deg, color-mix(in srgb, var(--danger-soft) 60%, transparent), color-mix(in srgb, var(--ink) 6%, transparent));
}

.text-btn {
  padding: 0;
  background: transparent;
  color: var(--accent);
  font-weight: 600;
}

.icon-btn {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  font-size: 1.15rem;
  line-height: 1;
  color: var(--danger);
  background: var(--danger-soft);
}

.row-actions,
.result-actions,
.viewer-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.preview-btn {
  color: var(--accent);
  background: var(--accent-soft);
}

.result-actions {
  flex-wrap: wrap;
  margin-top: 14px;
}

.result-actions .download-link {
  margin-top: 0;
}

.auth-status {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 0;
  border-radius: 0;
  background: transparent;
  border: 0;
  box-shadow: none;
}

.table-wrap {
  min-width: 0;
  min-height: 0;
  max-height: min(33svh, 300px);
  overflow: auto;
  padding-right: 4px;
}

.workspace-v2::-webkit-scrollbar,
.table-wrap::-webkit-scrollbar,
.observed-list::-webkit-scrollbar {
  width: var(--scrollbar-size);
  height: var(--scrollbar-size);
}

.workspace-v2::-webkit-scrollbar-track,
.table-wrap::-webkit-scrollbar-track,
.observed-list::-webkit-scrollbar-track {
  background: var(--scrollbar-track);
  border-radius: 999px;
}

.workspace-v2::-webkit-scrollbar-thumb,
.table-wrap::-webkit-scrollbar-thumb,
.observed-list::-webkit-scrollbar-thumb {
  background: var(--scrollbar-thumb);
  border-radius: 999px;
  border: 2px solid transparent;
  background-clip: padding-box;
}

.workspace-v2::-webkit-scrollbar-thumb:hover,
.table-wrap::-webkit-scrollbar-thumb:hover,
.observed-list::-webkit-scrollbar-thumb:hover {
  background: var(--scrollbar-thumb-hover);
}

.workspace-v2::-webkit-scrollbar-corner,
.table-wrap::-webkit-scrollbar-corner,
.observed-list::-webkit-scrollbar-corner {
  background: transparent;
}

.files-surface {
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  min-height: 0;
  align-content: start;
}

table {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
}

th,
td {
  text-align: left;
  padding: 10px 8px;
  border-bottom: 1px solid color-mix(in srgb, var(--ink) 8%, transparent);
  vertical-align: middle;
  overflow-wrap: anywhere;
}

thead th {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 500;
}

tbody td:first-child {
  font-weight: 600;
}

thead th:nth-child(1),
tbody td:nth-child(1) {
  width: 23%;
}

thead th:nth-child(2),
tbody td:nth-child(2) {
  width: 13%;
}

thead th:nth-child(3),
tbody td:nth-child(3) {
  width: 13%;
}

thead th:nth-child(4),
tbody td:nth-child(4) {
  width: 14%;
}

thead th:nth-child(5),
tbody td:nth-child(5) {
  width: 29%;
}

thead th:nth-child(6),
tbody td:nth-child(6) {
  width: 8%;
}

input[type="text"],
input[type="email"],
input[type="password"],
select {
  width: 100%;
  min-width: 0;
  padding: 10px 12px;
  border-radius: 8px;
  border: 1px solid color-mix(in srgb, var(--ink) 14%, transparent);
  background: color-mix(in srgb, var(--surface-strong) 88%, transparent);
  color: var(--ink);
}

input:focus,
select:focus {
  outline: 2px solid color-mix(in srgb, var(--accent) 22%, transparent);
  border-color: color-mix(in srgb, var(--accent) 48%, transparent);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-width: 98px;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 0.76rem;
  font-weight: 600;
}

.badge::before {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

.badge-ready {
  color: var(--accent);
  background: var(--accent-soft);
}

.badge-fix,
.badge-processing {
  color: var(--warn);
  background: var(--warn-soft);
}

.badge-observed {
  color: var(--danger);
  background: var(--danger-soft);
}

.results-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 10px;
}

.result-panel {
  min-height: 140px;
  padding: 14px 16px;
  border-radius: var(--radius-md);
  background: var(--surface-soft);
  border: 1px solid var(--line);
}

.result-panel h3,
.result-panel p {
  margin: 0;
}

.result-panel h3 {
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.1rem;
}

.result-panel p + p,
.result-panel ul,
.result-panel a {
  margin-top: 10px;
}

.result-panel ul {
  padding-left: 18px;
  color: var(--muted);
}

.download-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 14px;
  padding: 10px 14px;
  border-radius: var(--radius-md);
  color: white;
  text-decoration: none;
  background: linear-gradient(135deg, var(--accent-strong), var(--accent));
}

.observed-list {
  margin: 0;
  padding-left: 18px;
  max-height: 220px;
  overflow: auto;
  color: var(--muted);
  line-height: 1.5;
}

.observed-list li + li {
  margin-top: 10px;
}

.muted,
.empty-row td,
[data-cell="nota"] {
  color: var(--muted);
}

.auth-modal {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 20px;
  z-index: 100;
  background:
    radial-gradient(circle at 20% 12%, var(--bg-accent), transparent 34%),
    var(--bg);
}

.viewer-modal {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: grid;
  place-items: center;
  padding: 18px;
}

.viewer-modal[hidden] {
  display: none;
}

.viewer-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(5, 10, 7, 0.72);
  backdrop-filter: blur(12px);
  opacity: 0;
  transition: opacity 180ms ease;
}

.viewer-shell {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  width: min(1380px, 96vw);
  height: min(900px, 94svh);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: var(--surface-strong);
  box-shadow: 0 40px 100px rgba(0, 0, 0, 0.44);
  opacity: 0;
  transform: translateY(16px) scale(0.985);
  transition: opacity 180ms ease, transform 220ms ease;
}

.viewer-modal.is-open .viewer-backdrop,
.viewer-modal.is-open .viewer-shell {
  opacity: 1;
}

.viewer-modal.is-open .viewer-shell {
  transform: translateY(0) scale(1);
}

.viewer-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
  padding: 18px 20px;
  border-bottom: 1px solid var(--line);
}

.viewer-head h2 {
  margin: 5px 0 0;
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(1.1rem, 2vw, 1.65rem);
}

.viewer-meta {
  margin: 6px 0 0;
  color: var(--muted);
}

.viewer-close {
  flex: 0 0 auto;
}

.viewer-body {
  min-width: 0;
  min-height: 0;
  overflow: hidden;
  background: color-mix(in srgb, var(--bg) 86%, black 14%);
}

.text-preview {
  margin: 0;
  min-width: 100%;
  white-space: pre;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.82rem;
  line-height: 1.5;
}

.pdf-frame {
  width: 100%;
  height: 100%;
  border: 0;
  background: #f0f0f0;
}

.excel-preview {
  width: 100%;
  min-height: 0;
  overflow: auto;
  padding: 18px;
  background: #e7e9e8;
}

.excel-table {
  width: max-content;
  min-width: 100%;
  table-layout: auto;
  border-collapse: separate;
  border-spacing: 0;
  color: #1a1f1c;
  background: #ffffff;
  box-shadow: 0 10px 36px rgba(10, 20, 14, 0.12);
}

.excel-table th,
.excel-table td {
  width: auto !important;
  min-width: 92px;
  height: 28px;
  padding: 5px 8px;
  border-right: 1px solid #d8ddda;
  border-bottom: 1px solid #d8ddda;
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

.workbook-viewer {
  display: grid;
  grid-template-rows: minmax(0, 1fr) auto;
  width: 100%;
  height: 100%;
}

.sheet-tabs {
  display: flex;
  align-items: end;
  gap: 2px;
  min-height: 46px;
  padding: 8px 14px 0;
  overflow-x: auto;
  border-top: 1px solid var(--line);
  background: var(--surface-strong);
}

.sheet-tab {
  min-width: max-content;
  padding: 9px 16px 10px;
  border: 0;
  border-radius: 10px 10px 0 0;
  color: var(--muted);
  background: transparent;
  cursor: pointer;
  transition: color 160ms ease, background 160ms ease;
}

.sheet-tab:hover,
.sheet-tab.is-active {
  color: var(--ink);
  background: var(--surface-soft);
}

.sheet-tab.is-active {
  box-shadow: inset 0 -3px 0 var(--accent);
}

.viewer-loading,
.viewer-empty {
  display: grid;
  place-content: center;
  justify-items: center;
  gap: 12px;
  height: 100%;
  padding: 24px;
  color: var(--muted);
  text-align: center;
}

.viewer-loading .btn-spinner {
  display: block;
  width: 24px;
  height: 24px;
  border-color: color-mix(in srgb, var(--accent) 25%, transparent);
  border-top-color: var(--accent);
}

.download-link {
  border: 0;
  cursor: pointer;
}

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

body.has-modal {
  overflow: hidden;
}

.auth-modal[hidden] {
  display: none;
}

.auth-card {
  position: relative;
  z-index: 1;
  width: min(460px, 100%);
  padding: 22px;
  background: var(--surface-strong);
  animation: auth-enter 320ms ease both;
}

.auth-logo {
  width: 48px;
  height: 48px;
  object-fit: contain;
}

@keyframes auth-enter {
  from { opacity: 0; transform: translateY(12px) scale(0.985); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.auth-head {
  margin-bottom: 10px;
}

.auth-copy,
.auth-alt {
  color: var(--muted);
  line-height: 1.5;
}

.auth-form {
  display: grid;
  gap: 14px;
  margin-top: 18px;
}

.field-group {
  display: grid;
  gap: 8px;
}

.field-group span {
  font-size: 0.86rem;
  font-weight: 600;
}

.auth-feedback {
  margin: 0;
  padding: 10px 12px;
  border-radius: 8px;
  color: var(--danger);
  background: var(--danger-soft);
}

.auth-submit {
  width: 100%;
}

.auth-alt {
  margin: 14px 0 0;
}

@media (max-width: 1120px) {
  .results-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 820px) {
  .app-shell {
    padding: 0 0 8px;
  }

  .topbar {
    padding: 8px 12px;
    grid-template-columns: minmax(0, 1fr) auto;
  }

  .content-shell {
    padding: 0 8px 8px;
  }

  .cuit-workspace .content-shell {
    padding-inline: 0;
  }

  .view-tabs {
    padding: 0 8px;
  }

  .view-tab {
    min-height: 40px;
    padding-inline: 6px;
    font-size: 0.9rem;
  }

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

  .status-strip {
    grid-template-columns: 1fr;
  }

  .surface-head {
    flex-direction: column;
    align-items: stretch;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .topbar-panel {
    position: fixed;
    top: 0;
    right: 0;
    z-index: 62;
    width: min(360px, 86vw);
    height: 100svh;
    padding: 88px 18px 24px;
    grid-template-columns: 1fr;
    align-content: start;
    gap: 18px;
    background:
      linear-gradient(180deg, color-mix(in srgb, var(--surface-strong) 97%, transparent), color-mix(in srgb, var(--surface-strong) 94%, transparent));
    border-left: 1px solid var(--line);
    box-shadow: var(--shadow);
    backdrop-filter: blur(24px) saturate(135%);
    -webkit-backdrop-filter: blur(24px) saturate(135%);
    transform: translateX(100%);
    transition: transform 220ms ease;
  }

  .topbar.is-menu-open .topbar-panel {
    transform: translateX(0);
  }

  .main-nav,
  .topbar-actions {
    width: 100%;
    justify-content: flex-start;
  }

  .main-nav {
    padding: 6px;
    border-radius: var(--radius-md);
    background: color-mix(in srgb, var(--ink) 4%, transparent);
    border: 1px solid color-mix(in srgb, var(--line) 88%, transparent);
    width: 100%;
    justify-self: stretch;
  }

  .topbar.is-menu-open .main-nav {
    display: flex;
  }

  .nav-link {
    min-height: 42px;
    padding-inline: 16px;
    background: color-mix(in srgb, var(--ink) 7%, transparent);
    border-color: color-mix(in srgb, var(--line) 80%, transparent);
  }

  .topbar-actions,
  .surface-actions {
    width: 100%;
  }

  .topbar-actions {
    display: grid;
    gap: 10px;
    padding: 0;
    background: transparent;
    border: 0;
  }

  .primary-btn,
  .primary-btn-nav,
  .ghost-btn,
  .auth-status {
    width: 100%;
    justify-content: center;
  }

  .auth-status {
    display: grid;
    grid-template-columns: 1fr;
    gap: 10px;
    text-align: center;
    border-radius: var(--radius-md);
    padding: 12px;
    background: color-mix(in srgb, var(--surface-soft) 84%, transparent);
    border: 1px solid color-mix(in srgb, var(--line) 96%, transparent);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.05);
  }

  .logout-btn {
    width: 100%;
    justify-content: center;
    min-height: 46px;
    border-radius: var(--radius-md);
    background: color-mix(in srgb, var(--danger-soft) 42%, transparent);
    border-color: color-mix(in srgb, var(--danger) 22%, var(--line));
    color: var(--ink);
  }
}

@media (max-width: 700px) {
  .viewer-modal {
    padding: 0;
  }

  .cuit-input-row {
    flex-direction: column;
  }

  .cuit-input-row .primary-btn {
    width: 100%;
  }

  .cuit-summary-grid {
    grid-template-columns: 1fr;
  }

  .viewer-shell {
    width: 100vw;
    height: 100svh;
    border: 0;
    border-radius: 0;
  }

  .viewer-head {
    padding: 14px;
  }

  .viewer-actions .ghost-btn {
    width: auto;
  }

  .excel-table {
    display: table;
  }

  .excel-table thead {
    display: table-header-group;
  }

  .excel-table tbody {
    display: table-row-group;
  }

  .excel-table tr {
    display: table-row;
  }

  .excel-table th,
  .excel-table td {
    display: table-cell;
  }

  .table-wrap {
    max-height: none;
    overflow: visible;
    padding-right: 0;
  }

  table,
  thead,
  tbody,
  th,
  td,
  tr {
    display: block;
  }

  thead {
    display: none;
  }

  tbody tr {
    padding: 12px 0;
    border-bottom: 1px solid color-mix(in srgb, var(--ink) 8%, transparent);
  }

  tbody td {
    width: 100% !important;
    border: 0;
    padding: 8px 0;
  }

  tbody td::before {
    content: attr(data-label);
    display: block;
    margin-bottom: 6px;
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--muted);
  }
}