@layer legacy {
:root {
  --teacher-font-title: "Manrope", "Sora", sans-serif;
  --teacher-font-body: "DM Sans", "Nunito", sans-serif;
  --teacher-bg: #0b1020;
  --teacher-surface: #141b2d;
  --teacher-surface-raised: #1a2338;
  --teacher-surface-soft: #10172a;
  --teacher-ink: #f7f8ff;
  --teacher-ink-soft: #c7cde0;
  --teacher-muted: #8f9ab7;
  --teacher-line: rgba(164, 178, 221, 0.16);
  --teacher-line-strong: rgba(164, 178, 221, 0.28);
  --teacher-primary: #6c63ff;
  --teacher-primary-strong: #817aff;
  --teacher-primary-soft: rgba(108, 99, 255, 0.16);
  --teacher-blue: #2d8cff;
  --teacher-blue-soft: rgba(45, 140, 255, 0.14);
  --teacher-blue-line: rgba(45, 140, 255, 0.42);
  --teacher-mint: #10d3ad;
  --teacher-mint-soft: rgba(16, 211, 173, 0.13);
  --teacher-mint-line: rgba(16, 211, 173, 0.38);
  --teacher-amber: #ffb72c;
  --teacher-amber-soft: rgba(255, 183, 44, 0.13);
  --teacher-amber-line: rgba(255, 183, 44, 0.4);
  --teacher-violet: #a876ff;
  --teacher-violet-soft: rgba(168, 118, 255, 0.14);
  --teacher-violet-line: rgba(168, 118, 255, 0.4);
  --teacher-sky: #24c8e5;
  --teacher-sky-soft: rgba(36, 200, 229, 0.13);
  --teacher-sky-line: rgba(36, 200, 229, 0.38);
  --teacher-red: #ff6075;
  --teacher-red-soft: rgba(255, 96, 117, 0.13);
  --teacher-red-line: rgba(255, 96, 117, 0.38);
  --teacher-shadow-sm: 0 10px 28px rgba(0, 0, 0, 0.16);
  --teacher-shadow-md: 0 24px 64px rgba(0, 0, 0, 0.3);
  --teacher-radius-sm: 12px;
  --teacher-radius: 18px;
  --teacher-radius-lg: 24px;
  --teacher-header-height: 64px;
  --teacher-sidebar-width: 272px;
}

html[data-theme="light"] {
  --teacher-bg: #f3f5fb;
  --teacher-surface: #ffffff;
  --teacher-surface-raised: #ffffff;
  --teacher-surface-soft: #f7f8fc;
  --teacher-ink: #172038;
  --teacher-ink-soft: #4e5a76;
  --teacher-muted: #657089;
  --teacher-line: #e2e6f0;
  --teacher-line-strong: #cfd5e3;
  --teacher-primary: #5b54e8;
  --teacher-primary-strong: #4640cc;
  --teacher-primary-soft: #eeecff;
  --teacher-blue: #0c61b9;
  --teacher-blue-soft: #eaf4ff;
  --teacher-blue-line: #b8d9ff;
  --teacher-mint: #006f59;
  --teacher-mint-soft: #e4faf4;
  --teacher-mint-line: #a7e8d8;
  --teacher-amber: #8a5200;
  --teacher-amber-soft: #fff4d8;
  --teacher-amber-line: #ffd47c;
  --teacher-violet: #6d3fc7;
  --teacher-violet-soft: #f2ebff;
  --teacher-violet-line: #d7c1ff;
  --teacher-sky: #05677d;
  --teacher-sky-soft: #e5f9fd;
  --teacher-sky-line: #aee8f2;
  --teacher-red: #c32d49;
  --teacher-red-soft: #fff0f2;
  --teacher-red-line: #ffc4cd;
  --teacher-shadow-sm: 0 10px 28px rgba(38, 48, 80, 0.07);
  --teacher-shadow-md: 0 24px 64px rgba(38, 48, 80, 0.13);
}

body[data-page="professor"] {
  color: var(--teacher-ink);
  background: var(--teacher-bg);
  font-family: var(--teacher-font-body);
}

body[data-page="professor"] h1,
body[data-page="professor"] h2,
body[data-page="professor"] h3,
body[data-page="professor"] h4,
body[data-page="professor"] p {
  margin: 0;
}

body[data-page="professor"] h1,
body[data-page="professor"] h2,
body[data-page="professor"] h3,
body[data-page="professor"] h4 {
  color: var(--teacher-ink);
  font-family: var(--teacher-font-title);
  letter-spacing: -0.025em;
}

.teacher-main {
  min-height: calc(100vh - var(--teacher-header-height));
  background:
    radial-gradient(circle at 92% 8%, var(--teacher-primary-soft), transparent 24rem),
    var(--teacher-bg);
}

.teacher-gate[hidden],
.teacher-app[hidden],
.teacher-view[hidden],
.teacher-simulado-diagnostic[hidden],
.teacher-digital-assessment-success[hidden],
.teacher-dialog [hidden] {
  display: none !important;
}

.teacher-gate {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 1.25rem;
  width: min(760px, calc(100% - 2rem));
  margin: clamp(2rem, 8vh, 6rem) auto;
  padding: clamp(1.4rem, 3vw, 2.2rem);
  border: 1px solid var(--teacher-line-strong);
  border-radius: var(--teacher-radius-lg);
  background: var(--teacher-surface);
  box-shadow: var(--teacher-shadow-md);
}

.teacher-gate-mark,
.teacher-sidebar-logo {
  display: grid;
  place-items: center;
  color: #fff;
  background: linear-gradient(135deg, var(--teacher-primary), var(--teacher-blue));
  box-shadow: 0 10px 24px rgba(91, 84, 232, 0.28);
}

.teacher-gate-mark {
  width: 3.5rem;
  aspect-ratio: 1;
  border-radius: 16px;
  font-size: 1.35rem;
}

.teacher-gate h1 {
  margin: 0.15rem 0 0.3rem;
  font-size: clamp(1.45rem, 3vw, 2rem);
}

.teacher-gate p:last-child {
  color: var(--teacher-ink-soft);
  font-size: 0.9rem;
}

.teacher-app {
  display: grid;
  grid-template-columns: var(--teacher-sidebar-width) minmax(0, 1fr);
  min-height: calc(100vh - var(--teacher-header-height));
}

.teacher-sidebar {
  position: sticky;
  top: var(--teacher-header-height);
  z-index: 20;
  display: flex;
  flex-direction: column;
  height: calc(100vh - var(--teacher-header-height));
  padding: 1.15rem 1rem;
  border-right: 1px solid rgba(255, 255, 255, 0.09);
  overflow-y: auto;
  background:
    radial-gradient(circle at 10% 5%, rgba(45, 140, 255, 0.22), transparent 13rem),
    linear-gradient(180deg, #151a34 0%, #11172a 58%, #0d1425 100%);
  color: #fff;
}

.teacher-sidebar-brand {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.75rem;
  padding: 0.35rem 0.45rem 1.15rem;
}

.teacher-sidebar-logo {
  width: 2.55rem;
  aspect-ratio: 1;
  border-radius: 13px;
}

.teacher-sidebar-brand strong {
  display: block;
  color: #fff;
  font: 800 0.82rem/1.3 var(--teacher-font-title);
}

.teacher-scope-field,
.teacher-compact-field,
.teacher-form-field,
.teacher-filter-bar label {
  display: grid;
  gap: 0.4rem;
  min-width: 0;
}

.teacher-scope-field {
  padding: 0.9rem;
  border: 1px solid rgba(255, 255, 255, 0.11);
  border-radius: 15px;
  background: rgba(255, 255, 255, 0.055);
}

.teacher-scope-field > span:first-child,
.teacher-compact-field > span:first-child,
.teacher-form-field > span:first-child,
.teacher-filter-bar label > span {
  color: var(--teacher-muted);
  font-size: 0.66rem;
  font-weight: 800;
  letter-spacing: 0.07em;
  text-transform: uppercase;
}

.teacher-scope-field > span:first-child {
  color: rgba(255, 255, 255, 0.55);
}

.teacher-select-wrap {
  position: relative;
  display: flex;
  align-items: center;
}

.teacher-select-wrap i {
  position: absolute;
  left: 0.75rem;
  z-index: 1;
  color: #82a8ff;
  pointer-events: none;
}

.teacher-select-wrap select {
  width: 100%;
  min-height: 2.75rem;
  padding-left: 2.1rem;
  border-color: rgba(255, 255, 255, 0.13);
  background: rgba(3, 8, 23, 0.32);
  color: #fff;
}

.teacher-nav {
  display: grid;
  gap: 0.35rem;
  margin-top: 1rem;
}

.teacher-nav-item {
  display: grid;
  grid-template-columns: 1.4rem minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.7rem;
  min-height: 3rem;
  padding: 0 0.85rem;
  border: 1px solid transparent;
  border-radius: 13px;
  background: transparent;
  color: rgba(233, 238, 255, 0.67);
  font: 700 0.82rem/1 var(--teacher-font-body);
  text-align: left;
  cursor: pointer;
  transition: 160ms ease;
}

.teacher-nav-item i {
  font-size: 1rem;
  text-align: center;
}

.teacher-nav-item:hover {
  background: rgba(255, 255, 255, 0.07);
  color: #fff;
}

.teacher-nav-item.is-active {
  border-color: rgba(129, 122, 255, 0.35);
  background: linear-gradient(100deg, rgba(108, 99, 255, 0.32), rgba(45, 140, 255, 0.14));
  color: #fff;
  box-shadow: inset 3px 0 #8c86ff, 0 8px 24px rgba(3, 8, 23, 0.18);
}

.teacher-nav-count {
  min-width: 1.65rem;
  padding: 0.23rem 0.4rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
  color: inherit;
  font-size: 0.63rem;
  text-align: center;
}

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

.teacher-sidebar-close,
.teacher-sidebar-toggle,
.teacher-sidebar-overlay {
  display: none;
}

.teacher-topbar {
  position: sticky;
  top: var(--teacher-header-height);
  z-index: 15;
  display: grid;
  grid-template-columns: minmax(220px, 1fr) auto;
  align-items: center;
  gap: 1.5rem;
  min-height: 94px;
  padding: 1rem clamp(1rem, 2.5vw, 2.25rem);
  border-bottom: 1px solid var(--teacher-line);
  background: color-mix(in srgb, var(--teacher-bg) 88%, transparent);
  backdrop-filter: blur(18px);
}

.teacher-topbar-copy h1 {
  font-size: clamp(1.25rem, 2vw, 1.65rem);
  line-height: 1.15;
}

.teacher-topbar-copy > p:last-child {
  margin-top: 0.22rem;
  color: var(--teacher-muted);
  font-size: 0.78rem;
}

.teacher-topbar-actions,
.teacher-welcome-actions,
.teacher-section-actions,
.teacher-dialog-actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.teacher-search {
  position: relative;
  display: flex;
  align-items: center;
}

.teacher-search i {
  position: absolute;
  left: 0.85rem;
  color: var(--teacher-muted);
  pointer-events: none;
}

.teacher-search input {
  width: clamp(12rem, 19vw, 18rem);
  padding-left: 2.35rem;
}

.teacher-search input,
.teacher-compact-field select,
.teacher-filter-bar select,
.teacher-form-field input,
.teacher-form-field select,
.teacher-answer-key-paste input {
  min-height: 2.75rem;
  border: 1px solid var(--teacher-line-strong);
  border-radius: 12px;
  outline: 0;
  background: var(--teacher-surface);
  color: var(--teacher-ink);
  font: 600 0.78rem/1 var(--teacher-font-body);
  transition: 150ms ease;
}

.teacher-compact-field select,
.teacher-filter-bar select,
.teacher-form-field input,
.teacher-form-field select,
.teacher-answer-key-paste input {
  width: 100%;
  padding: 0 0.8rem;
}

.teacher-search input:focus,
.teacher-compact-field select:focus,
.teacher-filter-bar select:focus,
.teacher-form-field input:focus,
.teacher-form-field select:focus,
.teacher-answer-key-paste input:focus {
  border-color: var(--teacher-primary);
  box-shadow: 0 0 0 3px var(--teacher-primary-soft);
}

.teacher-button,
.teacher-icon-button,
.teacher-row-button,
.teacher-copy-button,
.teacher-link-button,
.teacher-text-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  border: 0;
  font-family: var(--teacher-font-body);
  font-weight: 800;
  cursor: pointer;
  transition: transform 150ms ease, border-color 150ms ease, background 150ms ease, color 150ms ease;
}

.teacher-button,
.teacher-icon-button,
.teacher-row-button,
.teacher-copy-button {
  min-height: 2.75rem;
  border: 1px solid var(--teacher-line-strong);
  border-radius: 12px;
  background: var(--teacher-surface-raised);
  color: var(--teacher-ink-soft);
  font-size: 0.76rem;
}

.teacher-button {
  padding: 0 1rem;
}

.teacher-icon-button,
.teacher-copy-button {
  width: 2.75rem;
  padding: 0;
}

.teacher-button:hover,
.teacher-icon-button:hover,
.teacher-row-button:hover,
.teacher-copy-button:hover {
  border-color: var(--teacher-primary);
  color: var(--teacher-primary-strong);
  transform: translateY(-1px);
}

.teacher-button:focus-visible,
.teacher-icon-button:focus-visible,
.teacher-row-button:focus-visible,
.teacher-copy-button:focus-visible,
.teacher-link-button:focus-visible,
.teacher-nav-item:focus-visible,
.teacher-segmented button:focus-visible {
  outline: 3px solid var(--teacher-primary-soft);
  outline-offset: 2px;
}

.teacher-button:disabled,
.teacher-icon-button:disabled,
.teacher-row-button:disabled {
  opacity: 0.42;
  pointer-events: none;
}

.teacher-button--primary {
  border-color: transparent;
  background: linear-gradient(135deg, var(--teacher-primary), #776dff 55%, var(--teacher-blue));
  color: #fff;
  box-shadow: 0 9px 24px rgba(91, 84, 232, 0.24);
}

.teacher-button--primary:hover {
  border-color: transparent;
  color: #fff;
  box-shadow: 0 12px 28px rgba(91, 84, 232, 0.34);
}

.teacher-button--soft,
.teacher-button--light {
  border-color: rgba(255, 255, 255, 0.22);
  background: rgba(255, 255, 255, 0.14);
  color: #fff;
}

.teacher-button--danger {
  border-color: transparent;
  background: var(--teacher-red);
  color: #fff;
}

.teacher-link-button,
.teacher-text-button {
  padding: 0.3rem;
  background: transparent;
  color: var(--tone-accent, var(--teacher-primary-strong));
  font-size: 0.72rem;
}

.teacher-row-button {
  min-height: 2.15rem;
  padding: 0 0.7rem;
  font-size: 0.68rem;
}

.teacher-view-stack {
  width: 100%;
  max-width: 1680px;
  margin: 0 auto;
  padding: clamp(1rem, 2.5vw, 2.25rem);
}

.teacher-view {
  display: grid;
  gap: 1rem;
  animation: teacher-view-in 220ms ease both;
}

@keyframes teacher-view-in {
  from { opacity: 0; transform: translateY(5px); }
  to { opacity: 1; transform: none; }
}

.teacher-welcome {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  min-height: 148px;
  padding: clamp(1.35rem, 3vw, 2rem);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--teacher-radius-lg);
  background:
    radial-gradient(circle at 90% 20%, rgba(255, 255, 255, 0.2), transparent 15rem),
    linear-gradient(125deg, #4e46d8 0%, #695cf2 45%, #258be9 100%);
  box-shadow: 0 18px 40px rgba(57, 62, 190, 0.25);
  color: #fff;
}

body[data-page="professor"] .teacher-welcome h2 {
  margin: 0.22rem 0 0.35rem;
  color: #fff;
  font-size: clamp(1.45rem, 2.6vw, 2.15rem);
}

.teacher-welcome p:last-child {
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.86rem;
}

.teacher-eyebrow {
  color: var(--tone-accent, var(--teacher-primary-strong));
  font-size: 0.65rem;
  font-weight: 800;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.teacher-welcome .teacher-eyebrow {
  color: #dbe8ff;
}

.teacher-section-intro {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  min-height: 72px;
  padding: 0.8rem 1rem;
  border: 1px solid var(--tone-line, var(--teacher-line));
  border-left: 4px solid var(--tone-accent, var(--teacher-primary));
  border-radius: var(--teacher-radius);
  background: linear-gradient(110deg, var(--tone-soft, var(--teacher-primary-soft)), var(--teacher-surface) 62%);
}

.teacher-section-actions--fields {
  width: 100%;
  justify-content: flex-end;
}

.teacher-section-actions--fields .teacher-compact-field {
  min-width: min(15rem, 100%);
}

.teacher-section-intro .teacher-compact-field {
  width: min(20rem, 100%);
}

.teacher-section-intro .teacher-button--soft,
.teacher-section-intro .teacher-button--light {
  border-color: var(--tone-line, var(--teacher-line-strong));
  background: var(--teacher-surface-raised);
  color: var(--tone-accent, var(--teacher-primary));
}

.teacher-tone--blue { --tone-accent: var(--teacher-blue); --tone-line: var(--teacher-blue-line); --tone-soft: var(--teacher-blue-soft); }
.teacher-tone--mint { --tone-accent: var(--teacher-mint); --tone-line: var(--teacher-mint-line); --tone-soft: var(--teacher-mint-soft); }
.teacher-tone--amber { --tone-accent: var(--teacher-amber); --tone-line: var(--teacher-amber-line); --tone-soft: var(--teacher-amber-soft); }
.teacher-tone--violet { --tone-accent: var(--teacher-violet); --tone-line: var(--teacher-violet-line); --tone-soft: var(--teacher-violet-soft); }
.teacher-tone--sky { --tone-accent: var(--teacher-sky); --tone-line: var(--teacher-sky-line); --tone-soft: var(--teacher-sky-soft); }
.teacher-tone--neutral { --tone-accent: var(--teacher-muted); --tone-line: var(--teacher-line); --tone-soft: var(--teacher-surface-soft); }

.teacher-metric-grid {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0.8rem;
}

.teacher-metric {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-rows: auto auto;
  align-items: center;
  gap: 0.08rem 0.75rem;
  min-height: 100px;
  padding: 1rem;
  overflow: hidden;
  border: 1px solid var(--metric-line, var(--teacher-blue-line));
  border-radius: var(--teacher-radius);
  background: var(--teacher-surface);
  box-shadow: var(--teacher-shadow-sm);
}

.teacher-metric::after {
  position: absolute;
  inset: auto 0 0;
  height: 3px;
  background: var(--metric-accent, var(--teacher-blue));
  content: "";
}

.teacher-metric--mint { --metric-accent: var(--teacher-mint); --metric-line: var(--teacher-mint-line); }
.teacher-metric--violet { --metric-accent: var(--teacher-violet); --metric-line: var(--teacher-violet-line); }
.teacher-metric--sky { --metric-accent: var(--teacher-sky); --metric-line: var(--teacher-sky-line); }
.teacher-metric--amber { --metric-accent: var(--teacher-amber); --metric-line: var(--teacher-amber-line); }

.teacher-metric-icon {
  grid-row: 1 / 3;
  display: grid;
  width: 2.65rem;
  aspect-ratio: 1;
  place-items: center;
  border-radius: 13px;
  background: color-mix(in srgb, var(--metric-accent, var(--teacher-blue)) 15%, transparent);
  color: var(--metric-accent, var(--teacher-blue));
  font-size: 1.05rem;
}

.teacher-metric > strong {
  align-self: end;
  font: 800 clamp(1.2rem, 2vw, 1.55rem)/1 var(--teacher-font-title);
}

.teacher-metric > span:last-child {
  align-self: start;
  color: var(--teacher-muted);
  font-size: 0.7rem;
}

.teacher-overview-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.teacher-panel {
  min-width: 0;
  padding: 1.1rem;
  border: 1px solid var(--teacher-line);
  border-top: 3px solid var(--tone-accent, var(--teacher-primary));
  border-radius: var(--teacher-radius);
  background:
    linear-gradient(145deg, var(--tone-soft, transparent), transparent 38%),
    var(--teacher-surface);
  box-shadow: var(--teacher-shadow-sm);
}

.teacher-panel--compact {
  margin-top: 0.15rem;
}

.teacher-panel-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  min-height: 2.6rem;
  margin-bottom: 0.8rem;
}

.teacher-panel-head h2 {
  font-size: 1rem;
  line-height: 1.25;
}

.teacher-panel-head p:not(.teacher-eyebrow) {
  margin-top: 0.25rem;
  color: var(--teacher-muted);
  font-size: 0.72rem;
}

.teacher-attention-list,
.teacher-school-list,
.teacher-performance-list,
.teacher-recent-list,
.teacher-student-list,
.teacher-worst-list,
.teacher-student-history {
  display: grid;
  gap: 0.5rem;
}

.teacher-attention-item,
.teacher-recent-item,
.teacher-school-row,
.teacher-school-management-row {
  display: grid;
  align-items: center;
  min-width: 0;
  gap: 0.75rem;
  padding: 0.72rem;
  border: 1px solid var(--teacher-line);
  border-radius: 13px;
  background: color-mix(in srgb, var(--teacher-surface-raised) 86%, transparent);
}

.teacher-attention-item {
  grid-template-columns: auto minmax(0, 1fr) auto;
}

.teacher-recent-item {
  grid-template-columns: auto minmax(0, 1fr) auto;
}

.teacher-school-row {
  grid-template-columns: auto minmax(0, 1fr) auto;
  width: 100%;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition: 150ms ease;
}

.teacher-school-row:hover,
.teacher-student-row:hover {
  border-color: var(--tone-accent, var(--teacher-primary));
  transform: translateY(-1px);
}

.teacher-avatar,
.teacher-school-icon,
.teacher-recent-icon,
.teacher-game-icon {
  display: grid;
  flex: 0 0 auto;
  width: 2.4rem;
  aspect-ratio: 1;
  place-items: center;
  border-radius: 12px;
  background: var(--tone-soft, var(--teacher-primary-soft));
  color: var(--tone-accent, var(--teacher-primary-strong));
  font-size: 0.78rem;
  font-weight: 800;
}

.teacher-attention-copy,
.teacher-recent-copy,
.teacher-school-row-copy,
.teacher-student-row-copy,
.teacher-performance-copy {
  display: grid;
  min-width: 0;
  gap: 0.12rem;
}

.teacher-attention-copy strong,
.teacher-recent-copy strong,
.teacher-school-row-copy strong,
.teacher-student-row-copy strong,
.teacher-performance-copy strong {
  overflow: hidden;
  color: var(--teacher-ink);
  font-size: 0.76rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.teacher-attention-copy span,
.teacher-recent-copy span,
.teacher-school-row-copy span,
.teacher-student-row-copy span,
.teacher-performance-copy span,
.teacher-recent-item time {
  overflow: hidden;
  color: var(--teacher-muted);
  font-size: 0.66rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.teacher-live-label {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--teacher-mint);
  font-size: 0.64rem;
  font-weight: 800;
}

.teacher-live-label span {
  width: 0.42rem;
  aspect-ratio: 1;
  border-radius: 50%;
  background: currentColor;
  box-shadow: 0 0 0 4px var(--teacher-mint-soft);
}

.teacher-performance-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.75rem;
  padding: 0.72rem;
  border-bottom: 1px solid var(--teacher-line);
}

.teacher-performance-item:last-child {
  border-bottom: 0;
}

.teacher-performance-item > strong {
  min-width: 3rem;
  color: var(--tone-accent, var(--teacher-violet));
  font-size: 0.73rem;
  text-align: right;
}

.teacher-progress {
  display: block;
  height: 0.48rem;
  overflow: hidden;
  border-radius: 999px;
  background: var(--teacher-line);
}

.teacher-progress > span {
  display: block;
  width: min(100%, var(--progress, 0%));
  height: 100%;
  border-radius: inherit;
  background: var(--progress-color, linear-gradient(90deg, var(--teacher-primary), var(--teacher-sky)));
}

.teacher-inline-summary {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.75rem;
}

.teacher-summary-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  grid-template-rows: auto auto;
  align-items: center;
  gap: 0.05rem 0.65rem;
  min-height: 76px;
  padding: 0.85rem;
  border: 1px solid var(--teacher-line);
  border-radius: 15px;
  background: var(--teacher-surface);
}

.teacher-summary-item i {
  grid-row: 1 / 3;
  display: grid;
  width: 2.2rem;
  aspect-ratio: 1;
  place-items: center;
  border-radius: 10px;
  background: var(--teacher-primary-soft);
  color: var(--teacher-primary-strong);
}

.teacher-summary-item span {
  color: var(--teacher-muted);
  font-size: 0.65rem;
}

.teacher-summary-item strong {
  grid-column: 2;
  grid-row: 1;
  align-self: end;
  font: 800 1.05rem/1 var(--teacher-font-title);
}

.teacher-class-grid,
.teacher-simulado-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.9rem;
}

.teacher-class-card,
.teacher-simulado-card {
  position: relative;
  display: grid;
  align-content: start;
  gap: 0.85rem;
  min-width: 0;
  padding: 1.1rem;
  overflow: hidden;
  border: 1px solid var(--teacher-line);
  border-radius: var(--teacher-radius);
  background: var(--teacher-surface);
  box-shadow: var(--teacher-shadow-sm);
}

.teacher-class-card::before {
  position: absolute;
  inset: 0 0 auto;
  height: 4px;
  background: var(--class-color, var(--teacher-primary));
  content: "";
}

.teacher-class-card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
}

.teacher-class-card-title {
  min-width: 0;
}

.teacher-class-card-title p,
.teacher-simulado-card p {
  color: var(--teacher-muted);
  font-size: 0.67rem;
}

.teacher-class-card-title h3,
.teacher-simulado-card h3 {
  margin-top: 0.2rem;
  overflow: hidden;
  font-size: 1rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.teacher-status-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: fit-content;
  min-height: 1.55rem;
  padding: 0.2rem 0.55rem;
  border: 1px solid var(--teacher-line-strong);
  border-radius: 999px;
  background: var(--teacher-surface-soft);
  color: var(--teacher-muted);
  font-size: 0.59rem;
  font-weight: 800;
  white-space: nowrap;
}

.teacher-status-chip.is-active,
.teacher-status-chip.is-ok,
.teacher-status-chip.is-completed {
  border-color: var(--teacher-mint-line);
  background: var(--teacher-mint-soft);
  color: var(--teacher-mint);
}

.teacher-status-chip.is-attention,
.teacher-status-chip.is-pending,
.teacher-status-chip.is-not-started,
.teacher-status-chip.is-in-progress {
  border-color: var(--teacher-amber-line);
  background: var(--teacher-amber-soft);
  color: var(--teacher-amber);
}

.teacher-status-chip.is-error,
.teacher-status-chip.is-expired {
  border-color: var(--teacher-red-line);
  background: var(--teacher-red-soft);
  color: var(--teacher-red);
}

.teacher-class-code {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.72rem;
  border: 1px dashed color-mix(in srgb, var(--class-color, var(--teacher-primary)) 55%, var(--teacher-line));
  border-radius: 13px;
  background: var(--teacher-surface-soft);
}

.teacher-class-code > span {
  display: grid;
  gap: 0.18rem;
  color: var(--teacher-muted);
  font-size: 0.6rem;
}

.teacher-class-code strong {
  color: var(--teacher-ink);
  font: 800 1rem/1 var(--teacher-font-title);
  letter-spacing: 0.08em;
}

.teacher-class-metrics,
.teacher-game-card-metrics {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.5rem;
}

.teacher-class-metric,
.teacher-game-card-metrics > div {
  display: grid;
  gap: 0.18rem;
  padding: 0.6rem;
  border-radius: 11px;
  background: var(--teacher-surface-soft);
}

.teacher-class-metric span,
.teacher-game-card-metrics span {
  color: var(--teacher-muted);
  font-size: 0.58rem;
}

.teacher-class-metric strong,
.teacher-game-card-metrics strong {
  color: var(--teacher-ink);
  font-size: 0.76rem;
}

.teacher-class-card-actions {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.5rem;
  margin-top: auto;
}

.teacher-school-management {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.65rem;
}

.teacher-school-management-row {
  grid-template-columns: auto minmax(0, 1fr) auto;
}

.teacher-student-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(320px, 0.85fr);
  align-items: start;
  gap: 1rem;
}

.teacher-student-detail {
  position: sticky;
  top: calc(var(--teacher-header-height) + 110px);
}

.teacher-segmented {
  display: inline-flex;
  padding: 0.22rem;
  border: 1px solid var(--teacher-line);
  border-radius: 11px;
  background: var(--teacher-surface-soft);
}

.teacher-segmented button {
  min-height: 2rem;
  padding: 0 0.7rem;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--teacher-muted);
  font: 800 0.64rem/1 var(--teacher-font-body);
  cursor: pointer;
}

.teacher-segmented button.is-active {
  background: var(--teacher-primary);
  color: #fff;
  box-shadow: 0 5px 14px rgba(91, 84, 232, 0.22);
}

.teacher-student-row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) minmax(130px, 0.45fr) auto;
  align-items: center;
  gap: 0.75rem;
  width: 100%;
  padding: 0.72rem;
  border: 1px solid var(--teacher-line);
  border-radius: 13px;
  background: var(--teacher-surface-raised);
  color: inherit;
  text-align: left;
  cursor: pointer;
  transition: 150ms ease;
}

.teacher-student-row.is-selected {
  border-color: var(--teacher-primary);
  background: var(--teacher-primary-soft);
  box-shadow: inset 3px 0 var(--teacher-primary);
}

.teacher-student-row-progress {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.3rem 0.5rem;
}

.teacher-student-row-progress > span:first-child {
  grid-column: 1 / -1;
  color: var(--teacher-muted);
  font-size: 0.57rem;
}

.teacher-student-row-progress strong {
  font-size: 0.64rem;
}

.teacher-student-profile {
  display: grid;
  gap: 0.9rem;
}

.teacher-student-profile-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 0.75rem;
}

.teacher-student-profile-head .teacher-avatar {
  width: 3rem;
  font-size: 0.9rem;
}

.teacher-student-profile-head h2 {
  font-size: 1.1rem;
}

.teacher-student-profile-head p {
  margin-top: 0.18rem;
  color: var(--teacher-muted);
  font-size: 0.66rem;
}

.teacher-student-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.55rem;
}

.teacher-student-metric {
  display: grid;
  gap: 0.2rem;
  padding: 0.75rem;
  border: 1px solid var(--teacher-line);
  border-radius: 12px;
  background: var(--teacher-surface-soft);
}

.teacher-student-metric span {
  color: var(--teacher-muted);
  font-size: 0.6rem;
}

.teacher-student-metric strong {
  font: 800 1rem/1 var(--teacher-font-title);
}

.teacher-recommendation,
.teacher-student-history {
  padding: 0.85rem;
  border: 1px solid var(--teacher-line);
  border-radius: 13px;
  background: var(--teacher-surface-soft);
}

.teacher-recommendation h3,
.teacher-student-history h3 {
  margin-bottom: 0.55rem;
  font-size: 0.77rem;
}

.teacher-recommendation ul {
  display: grid;
  gap: 0.4rem;
  margin: 0;
  padding-left: 1rem;
  color: var(--teacher-ink-soft);
  font-size: 0.68rem;
}

.teacher-student-history-item {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.45rem 0;
  border-bottom: 1px solid var(--teacher-line);
  font-size: 0.67rem;
}

.teacher-student-history-item:last-child { border-bottom: 0; }
.teacher-student-history-item span { color: var(--teacher-muted); text-align: right; }

.teacher-filter-bar {
  display: grid;
  grid-template-columns: minmax(180px, 0.7fr) minmax(220px, 1fr) auto;
  align-items: end;
  gap: 0.75rem;
  padding: 0.9rem;
  border: 1px solid var(--teacher-line);
  border-radius: var(--teacher-radius);
  background: var(--teacher-surface);
}

.teacher-activity-layout {
  display: grid;
  gap: 1rem;
}

.teacher-game-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
}

.teacher-game-card {
  display: grid;
  gap: 0.85rem;
  min-width: 0;
  padding: 0.9rem;
  border: 1px solid var(--teacher-line);
  border-radius: 14px;
  background: var(--teacher-surface-raised);
}

.teacher-game-card-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 0.7rem;
}

.teacher-game-card-head h3 {
  overflow: hidden;
  font-size: 0.8rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.teacher-game-card-head p {
  margin-top: 0.18rem;
  color: var(--teacher-muted);
  font-size: 0.62rem;
}

.teacher-game-note {
  margin: 0;
  color: var(--teacher-muted);
  font-size: 0.62rem;
  line-height: 1.45;
}

.teacher-game-plan-attempts {
  margin: 0.28rem 0 0;
  color: var(--teacher-muted);
  font-size: 0.61rem;
  line-height: 1.45;
}

.teacher-game-plan-attempts strong,
.teacher-game-plan-more summary {
  color: var(--teacher-ink-soft);
  font-size: 0.62rem;
}

.teacher-game-plan-attempts ul {
  margin: 0.15rem 0 0;
  padding-left: 1rem;
}

.teacher-game-plan-more {
  margin-top: 0.35rem;
  color: var(--teacher-muted);
  font-size: 0.62rem;
}

.teacher-game-plan-more summary {
  cursor: pointer;
}

.teacher-game-evidence-list {
  display: grid;
  gap: 0.28rem;
  padding-top: 0.55rem;
  border-top: 1px solid var(--teacher-line);
  color: var(--teacher-muted);
  font-size: 0.61rem;
  line-height: 1.45;
}

.teacher-game-evidence-list strong { color: var(--teacher-ink-soft); font-size: 0.64rem; }

.teacher-evidence-item {
  display: grid;
  justify-content: stretch;
  gap: 0.2rem;
}

.teacher-evidence-item small {
  color: var(--teacher-muted);
  font-size: 0.61rem;
}

.teacher-table-wrap {
  width: 100%;
  overflow-x: auto;
  border: 1px solid var(--teacher-line);
  border-radius: 14px;
  background: var(--teacher-surface-raised);
}

.teacher-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.72rem;
}

.teacher-table caption {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

.teacher-table th,
.teacher-table td {
  padding: 0.78rem 0.85rem;
  border-bottom: 1px solid var(--teacher-line);
  text-align: left;
  white-space: nowrap;
}

.teacher-table th {
  color: var(--teacher-muted);
  background: var(--teacher-surface-soft);
  font-size: 0.59rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.teacher-table tr:last-child td { border-bottom: 0; }
.teacher-table td { color: var(--teacher-ink-soft); }
.teacher-table td strong { color: var(--teacher-ink); }
.teacher-table td small { color: var(--teacher-muted); }

.teacher-table-progress {
  display: grid;
  grid-template-columns: minmax(80px, 1fr) auto;
  align-items: center;
  gap: 0.5rem;
  min-width: 140px;
}

.teacher-section-message {
  color: var(--teacher-muted);
  font-size: 0.72rem;
}

.teacher-simulado-card {
  grid-template-columns: minmax(0, 1fr) auto;
}

.teacher-simulado-card.is-selected {
  border-color: var(--teacher-primary);
  box-shadow: inset 0 0 0 1px var(--teacher-primary), var(--teacher-shadow-sm);
}

.teacher-simulado-card > div:first-of-type,
.teacher-simulado-card .teacher-class-metrics {
  grid-column: 1 / -1;
}

.teacher-simulado-card > .teacher-button {
  min-width: 0;
  padding-inline: 0.7rem;
}

.teacher-simulado-diagnostic {
  display: grid;
  gap: 1rem;
}

.teacher-diagnostic-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.8rem;
}

.teacher-diagnostic-block {
  min-width: 0;
  padding: 0.9rem;
  border: 1px solid var(--teacher-line);
  border-radius: 14px;
  background: var(--teacher-surface-soft);
}

.teacher-diagnostic-block h3 {
  margin-bottom: 0.7rem;
  font-size: 0.8rem;
}

.teacher-worst-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.65rem;
  padding: 0.6rem;
  border-bottom: 1px solid var(--teacher-line);
}

.teacher-worst-item > strong {
  display: grid;
  width: 2rem;
  aspect-ratio: 1;
  place-items: center;
  border-radius: 9px;
  background: var(--teacher-red-soft);
  color: var(--teacher-red);
  font-size: 0.67rem;
}

.teacher-worst-item div { display: grid; gap: 0.08rem; }
.teacher-worst-item div strong { font-size: 0.7rem; }
.teacher-worst-item span { color: var(--teacher-muted); font-size: 0.61rem; }
.teacher-worst-item > span { color: var(--teacher-red); font-weight: 800; }

.teacher-question-map {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(58px, 1fr));
  gap: 0.45rem;
}

.teacher-question-chip {
  display: grid;
  place-items: center;
  gap: 0.1rem;
  min-height: 3.2rem;
  border: 1px solid var(--teacher-line);
  border-radius: 10px;
  background: var(--teacher-surface-raised);
}

.teacher-question-chip strong { font-size: 0.65rem; }
.teacher-question-chip span { color: var(--teacher-muted); font-size: 0.58rem; }
.teacher-question-chip.is-high { border-color: var(--teacher-mint-line); background: var(--teacher-mint-soft); }
.teacher-question-chip.is-mid { border-color: var(--teacher-amber-line); background: var(--teacher-amber-soft); }
.teacher-question-chip.is-low { border-color: var(--teacher-red-line); background: var(--teacher-red-soft); }

.teacher-dialog {
  width: min(460px, calc(100vw - 2rem));
  max-height: calc(100dvh - 2rem);
  padding: 0;
  overflow: visible;
  border: 1px solid var(--teacher-line-strong);
  border-radius: var(--teacher-radius-lg);
  background: var(--teacher-surface);
  color: var(--teacher-ink);
  box-shadow: var(--teacher-shadow-md);
}

.teacher-dialog::backdrop {
  background: rgba(4, 8, 20, 0.72);
  backdrop-filter: blur(5px);
}

.teacher-dialog-card {
  position: relative;
  display: grid;
  gap: 0.85rem;
  padding: 1.4rem;
}

.teacher-dialog-card > form,
.teacher-dialog-card > section {
  display: grid;
  gap: 0.85rem;
}

.teacher-dialog-card h2 { font-size: 1.2rem; }
.teacher-dialog-card > p,
.teacher-dialog-card form > p,
.teacher-dialog-card section > p { color: var(--teacher-ink-soft); font-size: 0.75rem; }

.teacher-dialog-close {
  position: absolute;
  top: 1rem;
  right: 1rem;
  z-index: 2;
  display: grid;
  width: 2.4rem;
  aspect-ratio: 1;
  place-items: center;
  padding: 0;
  border: 1px solid var(--teacher-line);
  border-radius: 11px;
  background: var(--teacher-surface-soft);
  color: var(--teacher-muted);
  cursor: pointer;
}

.teacher-dialog-icon {
  display: grid;
  width: 3rem;
  aspect-ratio: 1;
  place-items: center;
  border: 1px solid var(--tone-line, var(--teacher-line));
  border-radius: 14px;
  background: var(--tone-soft, var(--teacher-primary-soft));
  color: var(--tone-accent, var(--teacher-primary));
  font-size: 1.1rem;
}

.teacher-dialog-icon--danger {
  border-color: var(--teacher-red-line);
  background: var(--teacher-red-soft);
  color: var(--teacher-red);
}

.teacher-form-field input,
.teacher-form-field select { width: 100%; min-width: 0; }

.teacher-dialog-feedback {
  min-height: 1.05rem;
  color: var(--teacher-mint);
  font-size: 0.68rem;
  font-weight: 700;
}

.teacher-dialog-feedback.is-error { color: var(--teacher-red); }
.teacher-dialog-actions { justify-content: flex-end; margin-top: 0.2rem; }

.teacher-dialog--assessment {
  width: min(1120px, calc(100vw - 2rem));
  max-width: none;
  max-height: calc(100dvh - 1.5rem);
  overflow: hidden;
}

.teacher-digital-assessment-form {
  grid-template-areas:
    "assessment-header"
    "assessment-draft"
    "assessment-workspace"
    "assessment-published"
    "assessment-footer";
  grid-template-rows: auto auto minmax(0, 1fr) auto auto;
  gap: 0;
  height: min(760px, calc(100dvh - 1.5rem));
  max-height: calc(100dvh - 1.5rem);
  padding: 0;
  overflow: hidden;
}

.teacher-assessment-header {
  grid-area: assessment-header;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 4.2rem 1rem 1.2rem;
  border-bottom: 1px solid var(--teacher-line);
  background: linear-gradient(110deg, var(--teacher-primary-soft), var(--teacher-surface) 55%);
}

.teacher-assessment-heading {
  display: flex;
  align-items: center;
  gap: 0.8rem;
}

.teacher-assessment-heading h2 { font-size: 1rem; }
.teacher-assessment-heading p:last-child { margin-top: 0.18rem; color: var(--teacher-muted); font-size: 0.65rem; }

.teacher-assessment-steps {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.teacher-assessment-steps li {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--teacher-muted);
  font-size: 0.62rem;
  font-weight: 800;
}

.teacher-assessment-steps li:not(:last-child)::after {
  width: 1.2rem;
  height: 1px;
  margin-left: 0.1rem;
  background: var(--teacher-line-strong);
  content: "";
}

.teacher-assessment-steps span,
.teacher-assessment-step-number {
  display: grid;
  place-items: center;
  border-radius: 9px;
  background: var(--teacher-surface-soft);
  color: var(--teacher-muted);
}

.teacher-assessment-steps span { width: 1.6rem; aspect-ratio: 1; }
.teacher-assessment-steps li.is-current { color: var(--teacher-primary-strong); }
.teacher-assessment-steps li.is-current span,
.teacher-assessment-steps li.is-complete span { background: var(--teacher-primary); color: #fff; }

.teacher-assessment-workspace {
  grid-area: assessment-workspace;
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 0.9rem;
  min-height: 0;
  padding: 0.9rem;
  overflow-y: auto;
  background: var(--teacher-bg);
}

.teacher-assessment-panel,
.teacher-answer-key-section {
  display: grid;
  align-content: start;
  gap: 0.85rem;
  min-width: 0;
  padding: 1rem;
  border: 1px solid var(--teacher-line);
  border-radius: 16px;
  background: var(--teacher-surface);
}

.teacher-assessment-panel-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 0.65rem;
}

.teacher-assessment-panel-head h3 { font-size: 0.82rem; }
.teacher-assessment-panel-head p { margin-top: 0.14rem; color: var(--teacher-muted); font-size: 0.62rem; }

.teacher-assessment-step-number {
  width: 2rem;
  aspect-ratio: 1;
  background: var(--teacher-primary-soft);
  color: var(--teacher-primary-strong);
  font: 800 0.7rem/1 var(--teacher-font-title);
}

.teacher-digital-assessment-fields {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.7rem;
}

.teacher-assessment-field--full { grid-column: 1 / -1; }

.teacher-assessment-upload {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.7rem;
  min-height: 4.2rem;
  padding: 0.65rem;
  border: 1px dashed var(--teacher-primary);
  border-radius: 13px;
  background: var(--teacher-primary-soft);
  cursor: pointer;
}

.teacher-assessment-upload input {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
}

.teacher-assessment-upload-icon {
  display: grid;
  width: 2.5rem;
  aspect-ratio: 1;
  place-items: center;
  border-radius: 11px;
  background: var(--teacher-surface);
  color: var(--teacher-primary-strong);
}

.teacher-assessment-upload-copy { display: grid; gap: 0.12rem; }
.teacher-assessment-upload-copy strong { font-size: 0.68rem; }
.teacher-assessment-upload-copy small { color: var(--teacher-muted); font-size: 0.59rem; }
.teacher-assessment-upload-action { color: var(--teacher-primary-strong); font-size: 0.62rem; font-weight: 800; }

.teacher-answer-key-title-row { grid-template-columns: auto minmax(0, 1fr) auto; }

.teacher-answer-key-progress {
  padding: 0.42rem 0.65rem;
  border-radius: 999px;
  background: var(--teacher-primary-soft);
  color: var(--teacher-primary-strong);
  font-size: 0.61rem;
  font-weight: 800;
}

.teacher-answer-key-import {
  display: grid;
  grid-template-columns: minmax(0, 0.7fr) minmax(0, 1fr);
  align-items: center;
  gap: 0.7rem;
  padding: 0.7rem;
  border: 1px solid var(--teacher-line);
  border-radius: 13px;
  background: var(--teacher-surface-soft);
}

.teacher-answer-key-import > div:first-child { display: grid; gap: 0.12rem; }
.teacher-answer-key-import strong { font-size: 0.65rem; }
.teacher-answer-key-import span { color: var(--teacher-muted); font-size: 0.58rem; }

.teacher-answer-key-paste { display: flex; gap: 0.45rem; }
.teacher-answer-key-paste input { min-width: 0; }

.teacher-answer-key-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  align-content: start;
  gap: 0.5rem;
}

.teacher-answer-key-row {
  display: grid;
  grid-template-columns: 2rem minmax(0, 1fr);
  align-items: center;
  gap: 0.4rem;
  padding: 0.38rem;
  border: 1px solid var(--teacher-line);
  border-radius: 11px;
  background: var(--teacher-surface-soft);
}

.teacher-answer-key-row > strong { color: var(--teacher-muted); font-size: 0.62rem; text-align: center; }
.teacher-answer-key-row > div { display: flex; gap: 0.25rem; }

.teacher-answer-key-row button {
  flex: 1;
  min-width: 0;
  min-height: 2rem;
  padding: 0;
  border: 1px solid var(--teacher-line-strong);
  border-radius: 8px;
  background: var(--teacher-surface);
  color: var(--teacher-muted);
  font: 800 0.63rem/1 var(--teacher-font-body);
  cursor: pointer;
}

.teacher-answer-key-row button.is-selected {
  border-color: var(--teacher-primary);
  background: var(--teacher-primary);
  color: #fff;
}

.teacher-digital-assessment-success {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 0.75rem;
  margin: 0.75rem 0.9rem 0;
  padding: 0.7rem;
  border: 1px solid var(--teacher-mint-line);
  border-radius: 13px;
  background: var(--teacher-mint-soft);
}

.teacher-digital-assessment-success div { display: grid; gap: 0.1rem; }
.teacher-digital-assessment-success strong { color: var(--teacher-mint); font-size: 0.68rem; }
.teacher-digital-assessment-success p { color: var(--teacher-ink-soft); font-size: 0.61rem; }

.teacher-assessment-notice-icon {
  display: grid;
  width: 2.1rem;
  aspect-ratio: 1;
  place-items: center;
  border-radius: 10px;
  background: var(--teacher-surface);
  color: var(--teacher-mint);
}

#digital-assessment-draft-notice { grid-area: assessment-draft; border-color: var(--teacher-amber-line); background: var(--teacher-amber-soft); }
#digital-assessment-draft-notice strong,
#digital-assessment-draft-notice .teacher-assessment-notice-icon { color: var(--teacher-amber); }
.teacher-assessment-published { grid-area: assessment-published; margin-bottom: 0.75rem; }

.teacher-assessment-footer {
  grid-area: assessment-footer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 1rem;
  border-top: 1px solid var(--teacher-line);
  background: var(--teacher-surface);
}

.teacher-assessment-footer-status { display: grid; gap: 0.1rem; }
.teacher-assessment-footer-status > span { color: var(--teacher-muted); font-size: 0.59rem; }
.teacher-assessment-footer-status i { color: var(--teacher-mint); }
.teacher-assessment-footer .teacher-dialog-feedback:empty { display: none; }

.teacher-toast {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 100;
  max-width: min(26rem, calc(100vw - 2rem));
  border-radius: 12px;
  pointer-events: none;
}

.teacher-toast:not(:empty) {
  padding: 0.8rem 1rem;
  border: 1px solid var(--teacher-line-strong);
  background: var(--teacher-surface-raised);
  color: var(--teacher-ink);
  box-shadow: var(--teacher-shadow-md);
  font-size: 0.75rem;
  font-weight: 800;
}

.teacher-toast.is-success:not(:empty) { border-color: var(--teacher-mint-line); color: var(--teacher-mint); }
.teacher-toast.is-error:not(:empty) { border-color: var(--teacher-red-line); color: var(--teacher-red); }

.teacher-empty-state {
  display: grid;
  grid-column: 1 / -1;
  min-height: 8rem;
  place-items: center;
  align-content: center;
  gap: 0.35rem;
  padding: 1.2rem;
  border: 1px dashed var(--teacher-line-strong);
  border-radius: 13px;
  background: var(--teacher-surface-soft);
  color: var(--teacher-muted);
  text-align: center;
}

.teacher-empty-state i { color: var(--tone-accent, var(--teacher-primary)); font-size: 1.4rem; }
.teacher-empty-state strong { color: var(--teacher-ink-soft); font-size: 0.78rem; }
.teacher-empty-state p { max-width: 26rem; color: var(--teacher-muted); font-size: 0.67rem; }
.teacher-empty-row { padding: 2rem 1rem !important; color: var(--teacher-muted); text-align: center !important; }

html[data-theme="light"] .teacher-sidebar {
  border-right-color: #20294a;
}

html[data-theme="light"] .teacher-welcome .teacher-button--soft,
html[data-theme="light"] .teacher-welcome .teacher-button--light {
  color: #fff;
}

@media (max-width: 1260px) {
  .teacher-metric-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .teacher-class-grid,
  .teacher-simulado-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .teacher-game-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .teacher-school-management { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 1040px) {
  .teacher-overview-grid { grid-template-columns: 1fr; }
  .teacher-student-layout { grid-template-columns: 1fr; }
  .teacher-student-detail { position: static; }
}

@media (max-width: 900px) {
  :root { --teacher-header-height: 0px; }
  body[data-page="professor"].teacher-menu-open { overflow: hidden; }
  .teacher-app { display: block; }

  .teacher-sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    z-index: 55;
    width: min(86vw, 304px);
    height: 100dvh;
    padding: max(1rem, env(safe-area-inset-top)) 1rem max(1rem, env(safe-area-inset-bottom));
    transform: translateX(-105%);
    transition: transform 210ms ease;
  }

  body[data-page="professor"].teacher-menu-open .teacher-sidebar { transform: none; }

  .teacher-sidebar-close,
  .teacher-sidebar-toggle {
    display: grid;
    place-items: center;
    width: 2.75rem;
    aspect-ratio: 1;
    padding: 0;
    border: 1px solid var(--teacher-line-strong);
    border-radius: 12px;
    background: var(--teacher-surface);
    color: var(--teacher-primary-strong);
    cursor: pointer;
  }

  .teacher-sidebar-close {
    border-color: rgba(255, 255, 255, 0.14);
    background: rgba(255, 255, 255, 0.08);
    color: #fff;
  }

  .teacher-sidebar-overlay {
    position: fixed;
    inset: 0;
    z-index: 50;
    display: block;
    visibility: hidden;
    width: 100%;
    height: 100%;
    padding: 0;
    border: 0;
    background: rgba(4, 8, 20, 0.7);
    opacity: 0;
    transition: 180ms ease;
  }

  body[data-page="professor"].teacher-menu-open .teacher-sidebar-overlay { visibility: visible; opacity: 1; }

  .teacher-topbar {
    top: 0;
    grid-template-columns: auto minmax(0, 1fr);
    min-height: 86px;
    padding: 0.75rem 1rem;
  }

  .teacher-topbar-actions { grid-column: 1 / -1; }
  .teacher-search { flex: 1; }
  .teacher-search input { width: 100%; }
  .teacher-metric-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .teacher-inline-summary { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .teacher-diagnostic-grid { grid-template-columns: 1fr; }
  .teacher-assessment-workspace { grid-template-columns: 1fr; }
}

@media (max-width: 680px) {
  .teacher-gate { grid-template-columns: 1fr; }
  .teacher-gate .teacher-button { width: 100%; }
  .teacher-view-stack { padding: 0.75rem; }
  .teacher-topbar-copy > p:last-child { display: none; }
  .teacher-topbar-actions .teacher-button--primary span { display: none; }

  .teacher-welcome { align-items: flex-start; flex-direction: column; min-height: 0; padding: 1.2rem; }
  .teacher-welcome-actions { width: 100%; }
  .teacher-welcome-actions .teacher-button { flex: 1; }

  .teacher-section-intro { align-items: stretch; min-height: 0; }
  .teacher-section-actions,
  .teacher-section-actions--fields { align-items: stretch; flex-direction: column; width: 100%; }
  .teacher-section-actions .teacher-button,
  .teacher-compact-field { width: 100%; }

  .teacher-class-grid,
  .teacher-simulado-grid,
  .teacher-school-management,
  .teacher-game-grid { grid-template-columns: 1fr; }

  .teacher-panel-head--stack-mobile { align-items: stretch; flex-direction: column; }
  .teacher-segmented { width: 100%; }
  .teacher-segmented button { flex: 1; }

  .teacher-student-row { grid-template-columns: auto minmax(0, 1fr) auto; }
  .teacher-student-row-progress { grid-column: 2 / -1; }

  .teacher-filter-bar { grid-template-columns: 1fr; }

  .teacher-table-wrap { border: 0; background: transparent; overflow: visible; }
  .teacher-table thead { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }
  .teacher-table,
  .teacher-table tbody,
  .teacher-table tr,
  .teacher-table td { display: block; width: 100%; }
  .teacher-table tbody { display: grid; gap: 0.6rem; }
  .teacher-table tr { padding: 0.7rem; border: 1px solid var(--teacher-line); border-radius: 13px; background: var(--teacher-surface-raised); }
  .teacher-table td { display: flex; align-items: center; justify-content: space-between; gap: 1rem; padding: 0.35rem 0; border: 0; white-space: normal; text-align: right; }
  .teacher-table td::before { color: var(--teacher-muted); font-size: 0.57rem; font-weight: 800; letter-spacing: 0.05em; text-align: left; text-transform: uppercase; content: attr(data-label); }
  .teacher-table-progress { width: min(10rem, 54vw); }
  .teacher-empty-row::before { display: none; }

  .teacher-dialog-actions { align-items: stretch; flex-direction: column-reverse; }
  .teacher-dialog-actions .teacher-button { width: 100%; }
  .teacher-dialog--assessment { width: calc(100vw - 1rem); max-height: calc(100dvh - 1rem); border-radius: 18px; }
  .teacher-digital-assessment-form { height: calc(100dvh - 1rem); max-height: calc(100dvh - 1rem); }
  .teacher-assessment-header { align-items: flex-start; flex-direction: column; padding: 1rem 3.6rem 0.9rem 1rem; }
  .teacher-assessment-heading p:last-child { display: none; }
  .teacher-assessment-steps { width: 100%; }
  .teacher-assessment-steps li { flex: 1; font-size: 0.56rem; }
  .teacher-assessment-steps li:not(:last-child)::after { flex: 1; width: auto; }
  .teacher-assessment-workspace { padding: 0.65rem; }
  .teacher-digital-assessment-fields { grid-template-columns: 1fr; }
  .teacher-assessment-field--full { grid-column: auto; }
  .teacher-answer-key-title-row { grid-template-columns: auto minmax(0, 1fr); }
  .teacher-answer-key-progress { grid-column: 1 / -1; }
  .teacher-answer-key-import { grid-template-columns: 1fr; }
  .teacher-answer-key-grid { grid-template-columns: 1fr; }
  .teacher-digital-assessment-success { grid-template-columns: auto minmax(0, 1fr); }
  .teacher-digital-assessment-success .teacher-button { grid-column: 1 / -1; }
  .teacher-assessment-footer { align-items: stretch; flex-direction: column; }
  .teacher-assessment-footer-status { text-align: center; }
  .teacher-assessment-footer .teacher-dialog-actions { display: grid; grid-template-columns: 0.8fr 1.2fr; }
}

@media (max-width: 420px) {
  .teacher-metric-grid,
  .teacher-inline-summary { grid-template-columns: 1fr; }
  .teacher-performance-item { grid-template-columns: minmax(0, 1fr) auto; }
  .teacher-performance-item .teacher-progress { grid-column: 1 / -1; grid-row: 2; }
  .teacher-answer-key-paste { flex-direction: column; }
  .teacher-assessment-steps li { font-size: 0; }
  .teacher-assessment-steps li span { font-size: 0.62rem; }
}

@media (prefers-reduced-motion: reduce) {
  .teacher-view { animation: none; }
  .teacher-nav-item,
  .teacher-button,
  .teacher-icon-button,
  .teacher-row-button,
  .teacher-school-row,
  .teacher-student-row { transition: none; }
}
}