:root {
  color-scheme: light;
  --bg: #f4f6f2;
  --ink: #1d2424;
  --muted: #65706d;
  --line: #d6ded8;
  --panel: #ffffff;
  --accent: #0f766e;
  --accent-dark: #0b5d56;
  --danger: #c2410c;
  --fabric: #f9faf7;
  --fabric-line: #cfd8d2;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
}

.auth-page {
  display: grid;
  place-items: center;
  padding: 24px;
}

.auth-shell {
  width: min(420px, 100%);
}

.auth-card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  box-shadow: 0 10px 30px rgba(29, 36, 36, 0.08);
}

.auth-tabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
}

.auth-tab {
  border: 1px solid var(--line);
  background: #f7faf8;
  border-radius: 8px;
  padding: 10px;
  cursor: pointer;
}

.auth-tab.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.auth-form label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 14px;
}

.auth-form input {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 12px;
}

.auth-message {
  margin: 0;
  font-size: 14px;
}

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

.auth-message.auth-success {
  color: var(--accent-dark);
}

/* Divisor "ou" entre formulário e Google */
.auth-divider {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--muted);
  font-size: 13px;
}
.auth-divider::before,
.auth-divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--line);
}

/* Botão Entrar com Google */
.btn-google {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 10px 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  font-size: 14px;
  font-weight: 500;
  text-decoration: none;
  transition: background 0.15s, border-color 0.15s, box-shadow 0.15s;
  cursor: pointer;
}
.btn-google:hover {
  background: #f7faf8;
  border-color: #b0bbb8;
  box-shadow: 0 2px 8px rgba(29, 36, 36, 0.08);
}

.user-menu {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 10px;
  padding-right: 8px;
}

.user-label {
  font-size: 13px;
  color: var(--muted);
  max-width: 180px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.user-menu button {
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 8px;
  padding: 8px 10px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.admin-shell {
  width: min(720px, 100%);
}

.admin-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.admin-link {
  color: var(--accent-dark);
  text-decoration: none;
  font-size: 14px;
}

.admin-section-title {
  margin: 0;
  font-size: 16px;
}

.admin-user-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.admin-user-card {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px;
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: center;
}

.admin-user-meta {
  font-size: 13px;
  color: var(--muted);
}

.admin-user-buttons {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.admin-empty {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

button,
input,
select {
  font: inherit;
}

.app-shell {
  min-height: 100vh;
}

.sidebar {
  border-right: 1px solid var(--line);
  background: #eef3ef;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.brand {
  display: flex;
  gap: 12px;
  align-items: center;
  padding: 8px 0 14px;
}

.compact-brand {
  flex: 0 0 auto;
  padding: 0;
}

.brand-mark {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: var(--accent);
  color: white;
  font-weight: 700;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-size: 18px;
  line-height: 1.1;
}

.brand p,
.metrics p {
  color: var(--muted);
}

.panel,
.metrics {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px;
}

.panel {
  display: grid;
  gap: 14px;
}

.panel h2 {
  font-size: 15px;
}

label {
  display: grid;
  gap: 7px;
  color: var(--muted);
  font-size: 13px;
}

input[type="number"],
input[type="text"],
input[type="file"],
input[type="color"],
select {
  height: 38px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0 10px;
  color: var(--ink);
  background: white;
}

input[type="color"] {
  padding: 4px;
}

input[type="file"] {
  height: auto;
  padding: 9px;
}

input[type="range"] {
  accent-color: var(--accent);
}

.inline-check {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--ink);
}

.inline-check input {
  width: 16px;
  height: 16px;
  accent-color: var(--accent);
}

button {
  border: 1px solid var(--line);
  border-radius: 6px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  background: white;
  color: var(--ink);
  cursor: pointer;
  padding: 0 10px;
  font-size: 13px;
  line-height: 1;
  min-width: 0;
}

.menu-link {
  border: 1px solid var(--line);
  border-radius: 6px;
  min-width: 0;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: flex-start;
  gap: 7px;
  background: white;
  color: var(--ink);
  padding: 0 10px;
  font-size: 13px;
  line-height: 1;
  text-decoration: none;
}

button svg,
button [data-lucide],
.menu-link svg,
.menu-link [data-lucide] {
  width: 16px;
  height: 16px;
  flex: 0 0 auto;
}

button span,
.menu-link span {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

button kbd {
  margin-left: auto;
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 2px 5px;
  background: #f4f6f2;
  color: var(--muted);
  font: 700 11px/1 Arial, Helvetica, sans-serif;
}

.icon-action {
  position: relative;
  width: 38px;
  padding: 0;
}

.icon-action > kbd {
  display: none;
}

.icon-action > span {
  position: absolute;
  z-index: 20;
  left: 50%;
  bottom: calc(100% + 7px);
  max-width: 220px;
  width: max-content;
  transform: translateX(-50%);
  border: 1px solid #111827;
  border-radius: 5px;
  padding: 6px 8px;
  background: #111827;
  color: white;
  box-shadow: 0 8px 18px rgba(17, 24, 39, 0.18);
  font-size: 12px;
  font-weight: 600;
  line-height: 1.2;
  opacity: 0;
  pointer-events: none;
  white-space: nowrap;
}

.icon-action:hover > span,
.icon-action:focus-visible > span {
  opacity: 1;
}

.menu-bar {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.menu-dropdown {
  position: relative;
}

.menu-dropdown summary {
  height: 38px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 0 11px;
  background: white;
  color: var(--ink);
  cursor: pointer;
  font-size: 13px;
  font-weight: 700;
  list-style: none;
}

.menu-dropdown summary::-webkit-details-marker {
  display: none;
}

.menu-dropdown summary::after {
  content: "";
  width: 7px;
  height: 7px;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg) translateY(-2px);
}

.menu-dropdown summary:hover,
.menu-dropdown[open] summary {
  border-color: var(--accent);
}

.menu-dropdown svg,
.menu-dropdown [data-lucide] {
  width: 16px;
  height: 16px;
}

.menu-list {
  position: absolute;
  z-index: 15;
  top: calc(100% + 6px);
  left: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  min-width: 190px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 6px;
  background: white;
  box-shadow: 0 14px 35px rgba(17, 24, 39, 0.16);
  max-height: min(78vh, calc(100vh - 120px));
  overflow-y: auto;
  overscroll-behavior: contain;
}

.topbar .menu-dropdown:nth-last-of-type(-n + 3) .menu-list {
  left: auto;
  right: 0;
}

.menu-form {
  min-width: 280px;
  max-width: min(360px, calc(100vw - 28px));
}

.piece-menu {
  position: fixed;
  top: 64px;
  right: 10px;
  left: auto;
  min-width: 330px;
  max-width: min(360px, calc(100vw - 24px));
  max-height: calc(100dvh - 82px);
  padding-right: 8px;
  z-index: 70;
}

.grading-menu {
  position: fixed;
  top: 8px;
  right: 8px;
  left: auto;
  width: min(340px, calc(100vw - 16px));
  min-width: 0;
  max-width: calc(100vw - 16px);
  max-height: calc(100dvh - 16px);
  padding-right: 8px;
  z-index: 70;
}

.piece-menu label,
.grading-menu label {
  gap: 4px;
}

.piece-menu input,
.piece-menu select,
.grading-menu input,
.grading-menu select {
  min-height: 30px;
  padding-top: 5px;
  padding-bottom: 5px;
}

.list-menu {
  min-width: 300px;
}

.grading-pad {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
}

.grading-pad button {
  width: 100%;
}

.grading-table {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 4px;
}

.grading-table-head {
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
}

.grading-table input {
  min-width: 0;
  height: 30px;
  padding: 0 6px;
}

.grading-table input[data-grade-active="true"] {
  outline: 2px solid var(--ink);
  outline-offset: -2px;
}

.grade-row-0 {
  background: #84cc16;
}

.grade-row-1 {
  background: #06b6d4;
}

.grade-row-2 {
  background: #d946ef;
}

.grading-nudge {
  display: grid;
  grid-template-columns: repeat(3, 34px);
  grid-template-areas:
    ". up ."
    "left zero right"
    ". down .";
  justify-content: center;
  gap: 4px;
}

.grading-nudge button {
  width: 34px;
  height: 30px;
  padding: 0;
}

#gradeTableUp {
  grid-area: up;
}

#gradeTableLeft {
  grid-area: left;
}

#gradeTableZero {
  grid-area: zero;
}

#gradeTableRight {
  grid-area: right;
}

#gradeTableDown {
  grid-area: down;
}

.menu-list .icon-action {
  width: 100%;
  justify-content: flex-start;
  gap: 9px;
  padding: 0 10px;
}

.menu-list .icon-action > span {
  position: static;
  max-width: none;
  width: auto;
  transform: none;
  border: 0;
  padding: 0;
  background: transparent;
  color: inherit;
  box-shadow: none;
  opacity: 1;
  pointer-events: auto;
  font-weight: 600;
}

.menu-list .icon-action > kbd {
  display: inline-block;
}

.context-menu {
  position: fixed;
  z-index: 40;
  min-width: 210px;
  display: grid;
  gap: 4px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 6px;
  background: white;
  box-shadow: 0 14px 35px rgba(17, 24, 39, 0.18);
}

.context-menu[hidden] {
  display: none;
}

.context-menu button {
  width: 100%;
  justify-content: flex-start;
  gap: 9px;
  padding: 0 10px;
}

.context-menu button span {
  position: static;
  max-width: none;
  width: auto;
  transform: none;
  border: 0;
  padding: 0;
  background: transparent;
  color: inherit;
  box-shadow: none;
  opacity: 1;
  pointer-events: auto;
  font-weight: 600;
}

.context-menu button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

button:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

button[aria-busy="true"] {
  opacity: 0.55;
  cursor: progress;
}

button:hover:not(:disabled) {
  border-color: var(--accent);
}

button.active {
  background: #d9f0ec;
  border-color: var(--accent);
  color: var(--accent-dark);
  font-weight: 700;
}

button.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
}

button.primary:hover:not(:disabled) {
  background: var(--accent-dark);
}

button.danger-action:not(:disabled) {
  background: var(--danger);
  border-color: var(--danger);
  color: white;
}

button.danger-action:hover:not(:disabled) {
  filter: brightness(0.94);
}

.selected-name {
  min-height: 24px;
  color: var(--ink);
  font-weight: 700;
}

.menu-divider {
  height: 1px;
  background: var(--line);
  margin: 4px 0;
}

.piece-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  max-height: 220px;
  overflow: auto;
}

.piece-stats div {
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 8px;
  background: #fbfcfa;
}

.piece-stats span {
  display: block;
  color: var(--ink);
  font-size: 15px;
  font-weight: 700;
}

.piece-stats p {
  color: var(--muted);
  font-size: 12px;
}

.piece-list {
  display: grid;
  gap: 8px;
  max-height: min(420px, calc(100vh - 150px));
  overflow: auto;
}

.piece-list-item {
  height: auto;
  min-height: 48px;
  display: grid;
  gap: 3px;
  justify-items: start;
  padding: 8px 10px;
  text-align: left;
}

.piece-list-item span {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
  font-weight: 700;
}

.piece-list-item i {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  flex: 0 0 auto;
}

.piece-list-item small {
  color: var(--muted);
  font-size: 12px;
}

.camera-preview {
  width: 100%;
  max-height: 240px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #111827;
  object-fit: contain;
}

.camera-actions {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
}

.scanner-panel {
  display: grid;
  gap: 8px;
}

.scanner-panel small {
  color: var(--muted);
  font-size: 12px;
  overflow-wrap: anywhere;
}

.scanner-panel img {
  width: 140px;
  height: 140px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: white;
}

.status-line {
  min-height: 36px;
  border: 1px dashed var(--line);
  border-radius: 6px;
  padding: 9px 10px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.35;
}

.nesting-progress-bar {
  width: 100%;
  height: 12px;
  accent-color: var(--accent);
}

.tool-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tool-row.two-actions {
  display: flex;
}

.mode-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.metrics {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.metrics div {
  border-bottom: 1px solid var(--line);
  padding-bottom: 12px;
}

.metrics div:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.metrics span {
  display: block;
  font-size: 26px;
  font-weight: 700;
}

.workspace {
  min-width: 0;
  display: grid;
  grid-template-rows: auto auto auto minmax(0, 1fr);
}

.topbar {
  min-height: 58px;
  border-bottom: 1px solid var(--line);
  background: #fbfcfa;
  display: flex;
  justify-content: flex-start;
  align-items: center;
  gap: 16px;
  padding: 10px 18px;
  position: sticky;
  top: 0;
  z-index: 30;
}

.canvas-ribbon {
  min-height: 52px;
  align-items: stretch;
  gap: 8px;
  padding: 6px 10px;
  background: #f8faf7;
}

.canvas-ribbon .compact-brand {
  display: none !important;
}

.main-menu {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  flex: 1 1 auto;
  min-width: 0;
}

.canvas-ribbon .main-menu {
  align-items: stretch;
  gap: 4px;
}

.canvas-ribbon .menu-dropdown {
  display: flex;
}

.canvas-ribbon .menu-dropdown summary {
  width: 62px;
  min-height: 44px;
  display: grid;
  grid-template-rows: 20px 1fr;
  place-items: center;
  gap: 2px;
  padding: 4px 6px;
  border-radius: 6px;
  font-size: 10px;
  line-height: 1.05;
  text-align: center;
}

.canvas-ribbon .menu-dropdown summary::after {
  display: none;
}

.canvas-ribbon .menu-dropdown summary svg,
.canvas-ribbon .menu-dropdown summary [data-lucide] {
  width: 20px;
  height: 20px;
}

.canvas-ribbon .menu-dropdown summary span {
  max-width: 60px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.canvas-ribbon .menu-dropdown:nth-of-type(6) summary,
.canvas-ribbon .menu-dropdown:nth-of-type(9) summary {
  width: 74px;
}

.canvas-ribbon .menu-dropdown:nth-of-type(6) summary span,
.canvas-ribbon .menu-dropdown:nth-of-type(9) summary span {
  max-width: 72px;
}

.statusbar {
  min-height: 34px;
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
  padding: 7px 18px;
  background: #eef3ef;
  color: var(--muted);
  font-size: 13px;
}

.statusbar b {
  color: var(--ink);
  font-weight: 700;
}

.status-message {
  min-width: min(360px, 100%);
  flex: 1 1 260px;
}

.status-action {
  height: 26px;
  padding: 0 8px;
  font-size: 12px;
}

.status-action svg,
.status-action [data-lucide] {
  width: 14px;
  height: 14px;
}

.marker-header {
  border-bottom: 1px solid var(--line);
  background: #fbfcf9;
  overflow-x: auto;
}

.marker-header table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
  table-layout: fixed;
}

.marker-col-sm {
  width: 8%;
}

.marker-col-md {
  width: 11%;
}

.marker-col-lg {
  width: 17%;
}

.marker-header th,
.marker-header td {
  border-right: 1px solid var(--line);
  padding: 6px 8px;
  text-align: left;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.marker-header th {
  background: #eef3ee;
  color: var(--muted);
  font-size: 9px;
  font-weight: 800;
  text-transform: uppercase;
}

.marker-header td {
  color: var(--ink);
  font-size: 11px;
  font-weight: 800;
}

.marker-header .marker-number {
  color: var(--accent-dark);
  font-variant-numeric: tabular-nums;
}

.marker-header td.warn {
  color: var(--danger);
}

.marker-header th:last-child,
.marker-header td:last-child {
  border-right: 0;
}

.canvas-wrap {
  position: relative;
  overflow: auto;
  padding: 22px;
}

canvas {
  display: block;
  width: 100%;
  max-width: none;
  height: auto;
  background: white;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 14px 35px rgba(29, 36, 36, 0.08);
  cursor: crosshair;
}

.floating-piece-toolbar {
  position: fixed;
  z-index: 80;
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  max-width: 420px;
  border: 1px solid rgba(148, 163, 160, 0.7);
  border-radius: 8px;
  padding: 5px;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 12px 28px rgba(17, 24, 39, 0.18);
  backdrop-filter: blur(8px);
}

.floating-piece-toolbar[hidden] {
  display: none;
}

.floating-piece-toolbar button {
  width: 34px;
  height: 34px;
  padding: 0;
}

.floating-piece-toolbar button span {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

.floating-piece-toolbar button svg,
.floating-piece-toolbar button [data-lucide] {
  width: 17px;
  height: 17px;
}

@media (max-width: 860px) {
  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }
}

.tutorial-page {
  background: #f5f7f2;
}

.tutorial-shell {
  width: min(920px, calc(100vw - 28px));
  margin: 0 auto;
  padding: 28px 0 48px;
}

.tutorial-header {
  display: grid;
  gap: 14px;
  margin-bottom: 22px;
}

.tutorial-header h1 {
  font-size: 30px;
}

.tutorial-header p {
  color: var(--muted);
  margin-top: 8px;
}

.tutorial-back {
  width: max-content;
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 9px 12px;
  background: white;
  color: var(--ink);
  text-decoration: none;
  font-weight: 700;
}

.tutorial-content {
  display: grid;
  gap: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 24px;
  background: white;
  box-shadow: 0 14px 35px rgba(29, 36, 36, 0.08);
}

.tutorial-content h2 {
  margin-top: 12px;
  font-size: 19px;
}

.tutorial-content h2:first-child {
  margin-top: 0;
}

.tutorial-content p,
.tutorial-content li {
  color: #33413b;
  line-height: 1.55;
}

.tutorial-content ul,
.tutorial-content ol {
  margin: 0;
  padding-left: 22px;
}

.tutorial-content code {
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 1px 5px;
  background: #f4f6f2;
}

.tutorial-visual,
.tutorial-shot {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8faf7;
}

.tutorial-visual {
  padding: 12px;
}

.annotated-screen {
  overflow: hidden;
  border: 1px solid #cbd5d0;
  border-radius: 8px;
  background: white;
}

.annotated-topbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid var(--line);
  padding: 10px;
  background: #fbfcfa;
}

.annotated-brand {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: var(--accent);
  color: white;
  font-weight: 800;
}

.annotated-menu {
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 7px 9px;
  background: white;
  color: var(--ink);
  font-size: 12px;
  font-weight: 800;
}

.annotated-menu[data-callout="arquivo"],
.annotated-menu[data-callout="digitalizacao"],
.annotated-menu[data-callout="peca"] {
  border-color: var(--accent);
  background: #e4f3ee;
}

.annotated-status {
  border-bottom: 1px solid var(--line);
  padding: 8px 10px;
  background: #eef3ef;
  color: var(--muted);
  font-size: 12px;
}

.annotated-canvas {
  position: relative;
  min-height: 360px;
  background:
    linear-gradient(#eef2ea 1px, transparent 1px),
    linear-gradient(90deg, #eef2ea 1px, transparent 1px),
    white;
  background-size: 32px 32px;
}

.annotated-fabric {
  position: absolute;
  inset: 54px 64px 54px 64px;
  border: 2px solid #94a3a0;
  background: rgba(236, 246, 241, 0.62);
}

.annotated-piece {
  position: absolute;
  width: 170px;
  height: 220px;
  left: 190px;
  top: 90px;
  border: 3px solid #0891b2;
  background: rgba(8, 145, 178, 0.12);
  clip-path: polygon(18% 0, 74% 4%, 96% 38%, 82% 100%, 22% 92%, 0 42%);
}

.callout {
  position: absolute;
  display: flex;
  align-items: center;
  gap: 8px;
  max-width: 220px;
  color: #0f172a;
  font-size: 12px;
  font-weight: 800;
}

.callout b {
  width: 26px;
  height: 26px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: #ef4444;
  color: white;
  flex: 0 0 auto;
}

.callout span {
  border: 1px solid #fecaca;
  border-radius: 6px;
  padding: 7px 9px;
  background: #fff1f2;
}

.callout::after,
.shot-arrow::after {
  content: "";
  position: absolute;
  width: 72px;
  height: 2px;
  background: #ef4444;
  transform-origin: left center;
}

.callout::before,
.shot-arrow::before {
  content: "";
  position: absolute;
  width: 0;
  height: 0;
  border-top: 6px solid transparent;
  border-bottom: 6px solid transparent;
  border-left: 10px solid #ef4444;
}

.callout-file {
  left: 38px;
  top: 22px;
}

.callout-file::after {
  left: 110px;
  top: -16px;
  transform: rotate(-70deg);
}

.callout-file::before {
  left: 134px;
  top: -74px;
  transform: rotate(-70deg);
}

.callout-digitize {
  right: 28px;
  top: 22px;
}

.callout-digitize::after {
  right: 130px;
  top: -14px;
  transform: rotate(-112deg);
}

.callout-digitize::before {
  right: 176px;
  top: -71px;
  transform: rotate(68deg);
}

.callout-canvas {
  left: 45px;
  bottom: 42px;
}

.callout-canvas::after {
  left: 128px;
  top: -34px;
  transform: rotate(-28deg);
}

.callout-canvas::before {
  left: 194px;
  top: -66px;
  transform: rotate(-28deg);
}

.callout-piece {
  right: 34px;
  bottom: 50px;
}

.callout-piece::after {
  right: 136px;
  top: -34px;
  transform: rotate(208deg);
}

.callout-piece::before {
  right: 196px;
  top: -72px;
  transform: rotate(28deg);
}

.tutorial-shot {
  display: grid;
  grid-template-columns: 260px minmax(0, 1fr);
  gap: 14px;
  min-height: 260px;
  padding: 14px;
}

.shot-menu {
  display: grid;
  align-content: start;
  gap: 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 12px;
  background: white;
}

.shot-menu strong {
  color: var(--accent-dark);
  font-size: 16px;
}

.shot-menu span {
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 8px;
  background: #fbfcfa;
  color: #33413b;
  font-size: 12px;
  font-weight: 700;
}

.shot-preview {
  position: relative;
  min-height: 235px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(#eef2ea 1px, transparent 1px),
    linear-gradient(90deg, #eef2ea 1px, transparent 1px),
    white;
  background-size: 28px 28px;
}

.shot-photo {
  position: absolute;
  width: 230px;
  height: 160px;
  left: 48%;
  top: 50%;
  transform: translate(-50%, -50%) rotate(-3deg);
  border: 8px solid white;
  background:
    radial-gradient(circle at 72% 28%, #111827 0 12px, transparent 13px),
    linear-gradient(135deg, rgba(8, 145, 178, 0.32), rgba(22, 163, 74, 0.18)),
    #dfe7df;
  box-shadow: 0 18px 45px rgba(17, 24, 39, 0.16);
}

.shot-photo.large {
  width: 300px;
  height: 190px;
}

.shot-arrow {
  position: absolute;
  color: #0f172a;
  font-size: 12px;
  font-weight: 800;
}

.shot-arrow span {
  display: block;
  max-width: 190px;
  border: 1px solid #fecaca;
  border-radius: 6px;
  padding: 7px 9px;
  background: #fff1f2;
}

.arrow-import {
  left: 18px;
  top: 22px;
}

.arrow-import::after {
  left: 74px;
  top: 47px;
  transform: rotate(22deg);
}

.arrow-import::before {
  left: 140px;
  top: 75px;
  transform: rotate(22deg);
}

.arrow-scale {
  right: 22px;
  top: 18px;
}

.arrow-scale::after {
  right: 112px;
  top: 72px;
  transform: rotate(142deg);
}

.arrow-scale::before {
  right: 176px;
  top: 110px;
  transform: rotate(142deg);
}

.arrow-auto {
  right: 26px;
  bottom: 20px;
}

.arrow-auto::after {
  right: 130px;
  top: -28px;
  transform: rotate(210deg);
}

.arrow-auto::before {
  right: 196px;
  top: -63px;
  transform: rotate(30deg);
}

.shot-marker {
  position: absolute;
  width: 44px;
  height: 44px;
  left: 55%;
  top: 28%;
  border: 6px solid #111827;
  background:
    linear-gradient(90deg, #111827 25%, white 25% 50%, #111827 50% 75%, white 75%),
    linear-gradient(#111827 25%, white 25% 50%, #111827 50% 75%, white 75%);
}

.arrow-marker {
  right: 18px;
  top: 30px;
}

.arrow-marker::after {
  right: 152px;
  top: 42px;
  transform: rotate(180deg);
}

.arrow-marker::before {
  right: 218px;
  top: 35px;
  transform: rotate(180deg);
}

.arrow-contour {
  left: 22px;
  bottom: 24px;
}

.arrow-contour::after {
  left: 132px;
  top: -26px;
  transform: rotate(-23deg);
}

.arrow-contour::before {
  left: 198px;
  top: -59px;
  transform: rotate(-23deg);
}

.shot-flow {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1fr 80px 1fr 80px 1fr;
  align-items: center;
  gap: 8px;
  min-height: 170px;
}

.shot-flow div {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 22px 14px;
  background: white;
  color: var(--ink);
  text-align: center;
  font-size: 18px;
  font-weight: 800;
}

.shot-flow small {
  color: var(--muted);
  font-size: 12px;
}

.shot-flow span {
  height: 3px;
  background: #ef4444;
  position: relative;
}

.shot-flow span::after {
  content: "";
  position: absolute;
  right: -1px;
  top: -5px;
  border-top: 7px solid transparent;
  border-bottom: 7px solid transparent;
  border-left: 11px solid #ef4444;
}

.arrow-service {
  left: 32px;
  bottom: 18px;
}

.shot-nesting {
  grid-template-columns: 1fr 180px 1fr;
  align-items: center;
}

.nest-before,
.nest-after {
  position: relative;
  min-height: 210px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: white;
}

.nest-before strong,
.nest-after strong {
  position: absolute;
  left: 12px;
  top: 10px;
  color: var(--muted);
}

.nest-before i,
.nest-after i {
  position: absolute;
  display: block;
  border: 3px solid #0891b2;
  background: rgba(8, 145, 178, 0.11);
  clip-path: polygon(18% 0, 74% 4%, 96% 38%, 82% 100%, 22% 92%, 0 42%);
}

.nest-before i:nth-of-type(1) {
  width: 72px;
  height: 106px;
  left: 44px;
  top: 72px;
}

.nest-before i:nth-of-type(2) {
  width: 62px;
  height: 96px;
  left: 150px;
  top: 54px;
  transform: rotate(28deg);
}

.nest-before i:nth-of-type(3) {
  width: 58px;
  height: 88px;
  left: 222px;
  top: 110px;
  transform: rotate(-18deg);
}

.nest-after i:nth-of-type(1) {
  width: 72px;
  height: 106px;
  left: 50px;
  top: 72px;
  transform: rotate(90deg);
}

.nest-after i:nth-of-type(2) {
  width: 62px;
  height: 96px;
  left: 146px;
  top: 72px;
  transform: rotate(180deg);
}

.nest-after i:nth-of-type(3) {
  width: 58px;
  height: 88px;
  left: 226px;
  top: 72px;
  transform: rotate(90deg);
}

.arrow-nest {
  position: relative;
  inset: auto;
}

.arrow-nest::after {
  left: 34px;
  top: 74px;
  width: 110px;
}

.arrow-nest::before {
  left: 138px;
  top: 69px;
}

.video-shell {
  width: min(1180px, calc(100vw - 28px));
  margin: 0 auto;
  padding: 28px 0 48px;
}

.video-header {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 22px;
}

.video-header > div {
  flex: 1 1 420px;
}

.video-header h1 {
  font-size: 32px;
}

.video-header p {
  color: var(--muted);
  margin-top: 8px;
}

.video-stage {
  display: grid;
  gap: 14px;
}

.video-frame {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 300px;
  gap: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
  background: white;
  box-shadow: 0 14px 35px rgba(29, 36, 36, 0.08);
}

.mock-app {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f9fbf7;
}

.mock-topbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid var(--line);
  padding: 10px;
  background: #fbfcfa;
}

.mock-brand {
  width: 34px;
  height: 34px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: var(--accent);
  color: white;
  font-weight: 800;
}

.mock-tab {
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 7px 9px;
  background: white;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.mock-tab.active {
  border-color: var(--accent);
  background: #e4f3ee;
  color: var(--accent-dark);
}

.mock-status {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  border-bottom: 1px solid var(--line);
  padding: 8px 10px;
  background: #eef3ef;
  color: var(--muted);
  font-size: 12px;
}

.mock-status b {
  color: var(--ink);
}

.mock-canvas {
  position: relative;
  height: clamp(360px, 48vw, 560px);
  background:
    linear-gradient(#eef2ea 1px, transparent 1px),
    linear-gradient(90deg, #eef2ea 1px, transparent 1px),
    white;
  background-size: 32px 32px;
}

.mock-fabric {
  position: absolute;
  inset: 48px 42px 54px 42px;
  border: 2px solid #94a3a0;
  background: rgba(236, 246, 241, 0.62);
}

.wide-fabric .mock-fabric {
  top: 34px;
  bottom: 34px;
}

.mock-piece,
.mock-photo,
.mock-marker,
.mock-phone,
.mock-scan-line,
.mock-export {
  position: absolute;
  opacity: 0;
  transition: opacity 280ms ease, transform 520ms ease, inset 520ms ease;
}

.mock-piece {
  border: 3px solid #0891b2;
  background: rgba(8, 145, 178, 0.12);
  clip-path: polygon(18% 0, 74% 4%, 96% 38%, 82% 100%, 22% 92%, 0 42%);
}

.mock-piece::after {
  content: "";
  position: absolute;
  inset: 12px 45% 12px auto;
  border-left: 2px dashed rgba(8, 145, 178, 0.5);
}

.mock-piece-a {
  width: 155px;
  height: 210px;
  left: 120px;
  top: 118px;
}

.mock-piece-b {
  width: 118px;
  height: 172px;
  left: 345px;
  top: 186px;
  border-color: #7c3aed;
  background: rgba(124, 58, 237, 0.1);
}

.mock-piece-c {
  width: 96px;
  height: 150px;
  left: 535px;
  top: 132px;
  border-color: #16a34a;
  background: rgba(22, 163, 74, 0.11);
}

.show-pieces .mock-piece,
.show-piece-a .mock-piece-a {
  opacity: 1;
}

.nested .mock-piece-a {
  transform: translate(10px, -32px) rotate(90deg);
}

.nested .mock-piece-b {
  transform: translate(-42px, -86px) rotate(180deg);
}

.nested .mock-piece-c {
  transform: translate(-118px, 116px) rotate(90deg);
}

.edit-points .mock-piece-a {
  box-shadow: 0 0 0 6px rgba(8, 145, 178, 0.1);
}

.edit-points .mock-piece-a::before {
  content: "";
  position: absolute;
  inset: -7px;
  background:
    radial-gradient(circle at 18% 4%, #111827 0 4px, transparent 5px),
    radial-gradient(circle at 74% 8%, #111827 0 4px, transparent 5px),
    radial-gradient(circle at 94% 38%, #111827 0 4px, transparent 5px),
    radial-gradient(circle at 80% 96%, #111827 0 4px, transparent 5px),
    radial-gradient(circle at 22% 90%, #111827 0 4px, transparent 5px);
}

.mock-photo {
  width: 300px;
  height: 220px;
  left: 140px;
  top: 110px;
  border: 8px solid white;
  background:
    radial-gradient(circle at 72% 28%, #111827 0 13px, transparent 14px),
    linear-gradient(135deg, rgba(8, 145, 178, 0.32), rgba(22, 163, 74, 0.18)),
    #dfe7df;
  box-shadow: 0 18px 45px rgba(17, 24, 39, 0.18);
}

.show-photo .mock-photo {
  opacity: 1;
}

.mock-marker {
  width: 42px;
  height: 42px;
  left: 350px;
  top: 140px;
  border: 6px solid #111827;
  background:
    linear-gradient(90deg, #111827 25%, transparent 25% 50%, #111827 50% 75%, transparent 75%),
    linear-gradient(#111827 25%, white 25% 50%, #111827 50% 75%, white 75%);
}

.show-marker .mock-marker {
  opacity: 1;
  transform: scale(1.18);
}

.mock-phone {
  right: 86px;
  top: 96px;
  width: 76px;
  height: 142px;
  border: 5px solid #111827;
  border-radius: 16px;
  background: #d9f1e9;
}

.mock-phone::after {
  content: "";
  position: absolute;
  inset: 26px 10px;
  border: 2px dashed var(--accent);
}

.show-phone .mock-phone {
  opacity: 1;
}

.mock-scan-line {
  left: 138px;
  top: 120px;
  width: 304px;
  height: 4px;
  background: #ef4444;
  box-shadow: 0 0 18px rgba(239, 68, 68, 0.75);
}

.show-scan .mock-scan-line {
  opacity: 1;
  animation: scanSweep 1.8s ease-in-out infinite alternate;
}

.mock-export {
  right: 94px;
  bottom: 76px;
  width: 144px;
  height: 108px;
  border: 2px solid var(--line);
  border-radius: 8px;
  background: white;
  box-shadow: 0 18px 40px rgba(17, 24, 39, 0.15);
}

.mock-export::before {
  content: "SVG  DXF  PLT";
  position: absolute;
  inset: 16px;
  color: var(--accent-dark);
  font-weight: 800;
  line-height: 1.8;
}

.show-export .mock-export {
  opacity: 1;
  transform: translateY(-14px);
}

@keyframes scanSweep {
  from {
    transform: translateY(0);
  }
  to {
    transform: translateY(180px);
  }
}

.video-caption {
  display: grid;
  align-content: center;
  gap: 12px;
  border-radius: 8px;
  padding: 20px;
  background: #0f172a;
  color: white;
}

.video-caption span {
  color: #93c5fd;
  font-weight: 800;
}

.video-caption h2 {
  font-size: 25px;
}

.video-caption p {
  color: #dbeafe;
  line-height: 1.5;
}

.video-progress {
  overflow: hidden;
  height: 10px;
  border-radius: 999px;
  background: #d8e1dc;
}

.video-progress span {
  display: block;
  width: 0;
  height: 100%;
  border-radius: inherit;
  background: var(--accent);
  transition: width 320ms ease;
}

.video-controls {
  display: flex;
  justify-content: center;
  gap: 10px;
}

.video-chapters {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
}

.video-chapters button {
  height: auto;
  min-height: 44px;
  justify-content: flex-start;
  text-align: left;
  line-height: 1.2;
}

.video-chapters button.active {
  border-color: var(--accent);
  background: #e4f3ee;
  color: var(--accent-dark);
}

@media (max-width: 860px) {
  .video-frame {
    grid-template-columns: 1fr;
  }

  .video-chapters {
    grid-template-columns: 1fr 1fr;
  }

  .tutorial-shot,
  .shot-nesting {
    grid-template-columns: 1fr;
  }

  .shot-flow {
    grid-template-columns: 1fr;
  }

  .shot-flow span {
    width: 3px;
    height: 32px;
    justify-self: center;
  }

  .shot-flow span::after {
    right: -5px;
    top: auto;
    bottom: -1px;
    border-left: 7px solid transparent;
    border-right: 7px solid transparent;
    border-top: 11px solid #ef4444;
    border-bottom: 0;
  }

  .callout,
  .shot-arrow {
    position: static;
    margin: 8px;
  }

  .callout::before,
  .callout::after,
  .shot-arrow::before,
  .shot-arrow::after {
    display: none;
  }

  .annotated-canvas {
    display: grid;
    align-content: end;
    min-height: 520px;
  }
}


/* ── Tab bar ── */
.tabbar {
  display: flex;
  align-items: stretch;
  background: #f1f5f0;
  border-bottom: 1px solid var(--line);
  min-height: 36px;
  overflow: hidden;
}

.tab-list {
  display: flex;
  flex-direction: row;
  align-items: stretch;
  flex: 1 1 0;
  overflow-x: auto;
  overflow-y: hidden;
  scrollbar-width: none;
  white-space: nowrap;
}
.tab-list::-webkit-scrollbar { display: none; }

.tab-item {
  display: inline-flex !important;
  flex-direction: row !important;
  align-items: center;
  gap: 6px;
  padding: 0 10px 0 14px;
  min-width: 120px;
  max-width: 200px;
  height: 36px;
  border: none;
  border-right: 1px solid var(--line);
  background: #e8ede7;
  color: var(--muted);
  font-size: 12.5px;
  font-family: inherit;
  cursor: pointer;
  white-space: nowrap;
  overflow: hidden;
  user-select: none;
  position: relative;
  flex-shrink: 0;
  box-sizing: border-box;
  text-align: left;
  border-radius: 0;
}
.tab-item:hover { background: #dde5db; }
.tab-item.active {
  background: #fff;
  color: var(--ink);
  font-weight: 600;
  border-bottom: 2px solid #4a7c59;
}
.tab-item.dirty .tab-name::after {
  content: "●";
  font-size: 8px;
  margin-left: 4px;
  color: #e67e22;
  vertical-align: middle;
}
.tab-name {
  flex: 1 1 0;
  overflow: hidden;
  text-overflow: ellipsis;
}
.tab-close {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  border-radius: 4px;
  border: none;
  background: transparent;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1;
}
.tab-close:hover { background: #d1d5d0; color: #c0392b; }
.tab-item.active .tab-close:hover { background: #e8ede7; }

.tab-new {
  width: 36px;
  border: none;
  border-left: 1px solid var(--line);
  background: transparent;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  flex-shrink: 0;
}
.tab-new:hover { background: #dde5db; color: var(--ink); }
.tab-new svg { width: 16px; height: 16px; }

/* ── Admin: botões de ação (block/unblock/delete) ── */
.btn-warning {
  background: #f59e0b;
  color: #fff;
  border: none;
  padding: 6px 14px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  transition: background 0.2s;
}
.btn-warning:hover { background: #d97706; }

.btn-danger {
  background: #ef4444;
  color: #fff;
  border: none;
  padding: 6px 14px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  transition: background 0.2s;
}
.btn-danger:hover { background: #dc2626; }

.btn-danger-outline {
  background: transparent;
  color: #ef4444;
  border: 1px solid #ef4444;
  padding: 6px 14px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  transition: all 0.2s;
}
.btn-danger-outline:hover {
  background: #ef4444;
  color: #fff;
}