:root {
  color-scheme: light;
  --ink: #2c2d2b;
  --muted: #607169;
  --line: #d9e4df;
  --paper: #f2f7f4;
  --panel: #ffffff;
  --teal: #095f45;
  --teal-dark: #052f25;
  --gold: #b97913;
  --gold-soft: #f6ead8;
  --rose: #a6495d;
  --green: #095f45;
  --blue: #246a5a;
  --sage: #bac5bc;
  font-family: Inter, Roboto, "Segoe UI", Arial, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background: var(--paper);
}

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

button {
  border: 0;
  border-radius: 8px;
  background: var(--teal);
  color: #fff;
  cursor: pointer;
  font-weight: 700;
  min-height: 42px;
  padding: 0 18px;
}

button:hover {
  background: var(--teal-dark);
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 3px solid rgba(185, 121, 19, .45);
  outline-offset: 2px;
}

button:disabled {
  cursor: not-allowed;
  opacity: .55;
}

.hidden {
  display: none !important;
}

.login-shell {
  align-items: center;
  background: #f4f8fb;
  display: grid;
  gap: 44px;
  grid-template-columns: minmax(320px, 460px) minmax(360px, 430px);
  justify-content: center;
  min-height: 100vh;
  overflow: hidden;
  padding: 32px 24px;
  position: relative;
}

.login-shell::after {
  background:
    radial-gradient(circle at 18% 18%, rgba(6, 91, 119, .08), transparent 28%),
    radial-gradient(circle at 80% 78%, rgba(9, 95, 69, .09), transparent 30%);
  content: "";
  inset: 0;
  pointer-events: none;
  position: absolute;
}

.login-shell > * {
  position: relative;
  z-index: 1;
}

.presentation-panel {
  color: var(--teal-dark);
  display: grid;
  gap: 18px;
  max-width: 640px;
}

.presentation-panel .eyebrow {
  color: var(--gold);
  margin: 0;
}

.presentation-panel h1 {
  font-size: 2.8rem;
  line-height: 1.02;
  max-width: 13ch;
}

.presentation-panel p {
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.6;
  margin: 0;
  max-width: 58ch;
}

.presentation-stats {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 8px;
}

.presentation-stats strong {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  display: grid;
  font-size: 1.75rem;
  gap: 4px;
  min-height: 86px;
  padding: 14px;
}

.presentation-stats span {
  color: var(--muted);
  font-size: .86rem;
  font-weight: 700;
}

.login-panel {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 24px 80px rgba(5, 47, 37, .11);
  margin: auto;
  max-width: 520px;
  overflow: hidden;
  padding: 36px;
  width: 100%;
}

.brand-mark {
  align-items: center;
  background: var(--teal);
  border-radius: 8px;
  color: #fff;
  display: inline-flex;
  font-weight: 800;
  height: 42px;
  justify-content: center;
  letter-spacing: 0;
  width: 42px;
}

.brand-logo {
  background: #fff;
  border: 1px solid rgba(9, 95, 69, .14);
  height: 54px;
  padding: 10px 12px;
  width: min(252px, 100%);
}

.brand-logo img {
  display: block;
  height: auto;
  max-height: 35px;
  width: 100%;
}

.eyebrow {
  color: var(--gold);
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: 0;
  margin: 14px 0 6px;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  letter-spacing: 0;
  margin: 0;
}

.login-panel h1 {
  font-size: 1.45rem;
  line-height: 1;
  max-width: none;
}

.supporting {
  font-size: 1.02rem;
  line-height: 1.55;
}

.supporting,
.muted {
  color: var(--muted);
}

.auth-tabs {
  background: #edf5f2;
  border: 1px solid var(--line);
  border-radius: 8px;
  display: grid;
  gap: 4px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 22px;
  padding: 4px;
}

.auth-tabs button {
  background: transparent;
  color: var(--teal-dark);
  min-height: 38px;
}

.auth-tabs button.active {
  background: var(--green);
  color: #fff;
}

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

label {
  color: var(--muted);
  display: grid;
  font-size: .92rem;
  font-weight: 700;
  gap: 7px;
}

input,
select,
textarea {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  min-height: 42px;
  padding: 10px 12px;
  width: 100%;
}

.message {
  color: var(--rose);
  min-height: 22px;
}

.message.success {
  color: var(--green);
  font-weight: 800;
}

.quick-access {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}

.quick-access button,
.secondary-button,
.reader-exit-button {
  background: #edf5f2;
  color: var(--teal-dark);
}

.quick-access button:hover,
.secondary-button:hover,
.reader-exit-button:hover {
  background: #dcece6;
}

.reader-exit-button {
  display: none;
}

.app-shell {
  display: grid;
  grid-template-columns: 300px minmax(0, 1fr);
  height: 100vh;
  max-height: 100vh;
  overflow: hidden;
}

.app-shell.reader-mode {
  grid-template-columns: 74px minmax(0, 1fr);
}

.sidebar {
  background:
    linear-gradient(180deg, rgba(5, 47, 37, .99), rgba(9, 95, 69, .97)),
    url("/assets/nexus-logo.svg") center 80% / 270px auto no-repeat;
  color: #fff;
  display: flex;
  flex-direction: column;
  gap: 24px;
  min-height: 0;
  overflow: auto;
  padding: 30px 18px;
}

.reader-mode .sidebar {
  align-items: center;
  gap: 12px;
  padding: 10px 8px;
}

.reader-mode .sidebar > div {
  width: 100%;
}

.reader-mode .sidebar .brand-logo {
  padding: 5px;
}

.reader-mode .sidebar .brand-logo img {
  max-height: 24px;
}

.reader-mode .sidebar .eyebrow,
.reader-mode .sidebar h2,
.reader-mode .module-list {
  display: none;
}

.reader-mode .secondary-button {
  display: none;
}

.reader-mode .reader-exit-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: .72rem;
  font-weight: 900;
  min-height: 34px;
  padding: 0;
  width: 50px;
}

.sidebar .brand-mark {
  background: transparent;
  border: 0;
  color: #fff;
}

.sidebar .brand-logo {
  background: rgba(255, 255, 255, .96);
  border: 1px solid rgba(255, 255, 255, .42);
  filter: none;
  height: 72px;
  justify-content: flex-start;
  padding: 10px 12px;
  width: 100%;
}

.sidebar .brand-logo img {
  max-height: 56px;
}

.sidebar .eyebrow {
  display: none;
}

.sidebar h2 {
  font-size: 1.3rem;
}

.app-shell[data-student-view="home"] .sidebar h2 {
  display: none;
}

.sidebar .secondary-button {
  background: transparent;
  color: #fff;
  justify-content: flex-start;
  min-height: 52px;
  padding: 12px 18px;
  text-align: left;
}

.sidebar .secondary-button:hover {
  background: rgba(255, 255, 255, .08);
}

.module-list {
  display: grid;
  gap: 12px;
}

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

.module-button {
  align-items: flex-start;
  background: rgba(255, 255, 255, .09);
  border: 1px solid rgba(255, 255, 255, .18);
  display: grid;
  gap: 3px 8px;
  grid-template-columns: minmax(0, 1fr) auto;
  justify-items: start;
  min-height: 58px;
  padding: 10px 12px;
  text-align: left;
  width: 100%;
}

.module-button span,
.module-button small {
  min-width: 0;
}

.module-button span {
  grid-column: 1;
  overflow-wrap: anywhere;
}

.module-button.active,
.module-button:hover {
  background: #fff;
  color: var(--teal-dark);
}

.module-button.active {
  border-left: 4px solid var(--gold);
}

.module-button small {
  color: inherit;
  grid-column: 1 / -1;
  opacity: .76;
}

.module-button em {
  align-self: start;
  color: inherit;
  font-size: .7rem;
  font-style: normal;
  font-weight: 900;
  grid-column: 2;
  grid-row: 1;
  opacity: .64;
  text-transform: uppercase;
  white-space: nowrap;
}

.module-subnav {
  border-left: 1px solid rgba(255, 255, 255, .24);
  display: grid;
  gap: 5px;
  margin-left: 12px;
  padding-left: 10px;
}

.module-subnav button {
  background: rgba(255, 255, 255, .07);
  border: 1px solid rgba(255, 255, 255, .12);
  color: #fff;
  display: grid;
  gap: 2px;
  justify-items: start;
  min-height: 42px;
  padding: 7px 10px;
  text-align: left;
}

.module-subnav button:hover,
.module-subnav button.active {
  background: rgba(255, 255, 255, .96);
  color: var(--teal-dark);
}

.module-subnav button span {
  font-size: .9rem;
  font-weight: 800;
}

.module-subnav button small {
  color: inherit;
  font-size: .74rem;
  opacity: .72;
}

.student-menu-button {
  align-items: center;
  background: transparent;
  border-color: transparent;
  border-radius: 8px;
  color: #fff;
  min-height: 60px;
  padding: 12px 18px;
}

.student-menu-button span {
  font-size: 1.02rem;
}

.student-menu-button small {
  display: none;
}

.student-menu-button.active,
.student-menu-button:hover {
  background: linear-gradient(90deg, rgba(9, 95, 69, .96), rgba(18, 113, 84, .74));
  border-left: 4px solid var(--gold);
  color: #fff;
}

.admin-menu-button span {
  font-size: .98rem;
}

.workspace {
  align-content: start;
  display: grid;
  gap: 10px;
  grid-template-rows: auto minmax(0, 1fr);
  min-height: 0;
  overflow: hidden;
  padding: 24px 28px;
}

.app-shell[data-student-view="home"] .topbar {
  display: none;
}

.reader-mode .workspace {
  gap: 0;
  grid-template-rows: minmax(0, 1fr);
  padding: 8px 12px;
}

.reader-mode .topbar {
  display: none;
}

.topbar {
  align-items: center;
  align-self: start;
  background: rgba(255, 255, 255, .82);
  border: 1px solid var(--line);
  border-radius: 8px;
  display: flex;
  gap: 12px;
  justify-content: space-between;
  min-height: 0;
  padding: 10px 14px;
}

.topbar .eyebrow {
  font-size: .68rem;
  margin: 0 0 2px;
}

.topbar h1 {
  font-size: 1.35rem;
  line-height: 1.12;
}

.topbar .muted {
  display: none;
}

.summary-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.summary-strip span,
.status-pill {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--teal);
  display: inline-flex;
  font-size: .82rem;
  font-weight: 800;
  min-height: 28px;
  padding: 5px 9px;
}

.rule-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.rule-strip span {
  background: #f4faf7;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--muted);
  min-height: 36px;
  padding: 8px 10px;
}

.filter-bar {
  display: grid;
  gap: 12px;
  grid-template-columns: minmax(220px, 1fr) 160px 160px;
  margin: 12px 0 14px;
}

.module-detail,
.admin-panel {
  align-content: start;
  display: grid;
  gap: 12px;
  grid-template-rows: auto minmax(0, 1fr);
  min-height: 0;
  overflow: hidden;
}

.study-header {
  align-items: center;
  align-self: start;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 10px 26px rgba(5, 47, 37, .05);
  display: grid;
  gap: 12px;
  grid-template-columns: minmax(220px, 1.4fr) minmax(160px, .7fr) minmax(260px, 1.2fr) auto;
  min-height: 0;
  padding: 12px 14px;
}

.reader-mode .module-detail {
  gap: 0;
  grid-template-rows: minmax(0, 1fr);
}

.reader-mode .study-header {
  display: none;
}

.study-header-title {
  align-items: center;
  display: flex;
  gap: 10px;
  min-width: 0;
}

.study-header-title h2 {
  font-size: 1.15rem;
  line-height: 1.18;
  margin: 2px 0 0;
}

.study-header-title .status-pill {
  flex: 0 0 auto;
  min-height: 28px;
  padding: 5px 10px;
}

.study-header-progress {
  display: grid;
  gap: 6px;
}

.study-header-progress > span,
.study-header-metrics span {
  color: var(--muted);
  font-size: .82rem;
  font-weight: 800;
}

.study-header-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.study-header-metrics span {
  background: #f4faf7;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 5px 8px;
}

.study-header-actions {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
}

.study-header-actions button {
  min-height: 34px;
  padding: 7px 10px;
  white-space: nowrap;
}

.course-overview {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.v2-dashboard,
.v2-page {
  display: grid;
  gap: 20px;
  min-height: 0;
  overflow: auto;
  padding-bottom: 24px;
}

.v2-home-page {
  background: #fff;
  overflow: auto;
}

.v2-home-header {
  align-items: start;
  display: flex;
  gap: 18px;
  justify-content: space-between;
}

.v2-home-header span {
  color: #809a8b;
  display: block;
  font-size: 1.55rem;
  line-height: 1.1;
}

.v2-home-header h2 {
  color: var(--teal);
  font-size: 2.45rem;
  line-height: 1;
}

.v2-home-header p {
  color: #524b48;
  font-size: 1.18rem;
  margin: 8px 0 0;
}

.v2-user-area {
  align-items: center;
  color: #524b48;
  display: flex;
  gap: 14px;
  min-height: 48px;
  white-space: nowrap;
}

.v2-user-area svg,
.v2-bell svg {
  height: 24px;
  width: 24px;
}

.v2-avatar {
  background:
    radial-gradient(circle at 50% 34%, #809a8b 0 18%, transparent 19%),
    radial-gradient(circle at 50% 78%, #809a8b 0 31%, transparent 32%),
    #edf5f2;
  border-radius: 999px;
  display: inline-block !important;
  height: 46px;
  width: 46px;
}

.v2-feature-row {
  display: grid;
  gap: 22px;
  grid-template-columns: minmax(0, 1fr) 320px;
}

.v2-hero {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  display: grid;
  gap: 22px;
  grid-template-columns: minmax(280px, .8fr) minmax(420px, 1.2fr);
  min-height: 300px;
  padding: 24px;
}

.v2-hero h2 {
  color: var(--teal-dark);
  font-size: 2rem;
  line-height: 1.08;
  max-width: 14ch;
}

.v2-hero p,
.v2-page-title p {
  color: var(--muted);
  line-height: 1.5;
  margin: 8px 0 0;
}

.v2-video-card {
  align-content: end;
  background:
    linear-gradient(90deg, rgba(5, 47, 37, .95), rgba(9, 95, 69, .54) 58%, rgba(255, 255, 255, .12)),
    radial-gradient(circle at 84% 45%, rgba(255, 255, 255, .85) 0 12%, rgba(255, 255, 255, .32) 13% 23%, transparent 24%),
    linear-gradient(135deg, #095f45, #d8e3df 68%, #f4f7f5);
  border-radius: 8px;
  color: #fff;
  display: grid;
  gap: 8px;
  min-height: 292px;
  overflow: hidden;
  padding: 58px 52px 42px;
  position: relative;
}

.v2-video-card::after {
  background:
    linear-gradient(90deg, transparent, rgba(255, 255, 255, .35), transparent),
    rgba(255, 255, 255, .34);
  content: "";
  height: 120%;
  left: 62%;
  position: absolute;
  top: -10%;
  transform: rotate(-18deg);
  width: 130px;
}

.v2-video-card .brand-logo {
  background: rgba(255, 255, 255, .94);
  border: 1px solid rgba(255, 255, 255, .44);
  filter: none;
  height: 60px;
  padding: 0;
  width: 210px;
}

.v2-video-card strong {
  font-size: 2rem;
  line-height: 1.08;
  max-width: 13ch;
  position: relative;
  z-index: 1;
}

.v2-youtube-card {
  align-content: stretch;
  background:
    linear-gradient(90deg, rgba(5, 47, 37, .94), rgba(9, 95, 69, .42) 58%, rgba(5, 47, 37, .38)),
    var(--video-thumb) center / cover no-repeat,
    linear-gradient(135deg, #095f45, #d8e3df 68%, #f4f7f5);
  min-height: 292px;
  padding: 0;
}

.v2-youtube-card::after {
  display: none;
}

.v2-youtube-card::before {
  background:
    linear-gradient(90deg, rgba(5, 47, 37, .82), rgba(5, 47, 37, .14) 54%, rgba(5, 47, 37, .32)),
    linear-gradient(180deg, rgba(0, 0, 0, .08), rgba(0, 0, 0, .34));
  content: "";
  inset: 0;
  pointer-events: none;
  position: absolute;
  z-index: 2;
}

.v2-video-play-overlay {
  align-items: center;
  background: rgba(5, 47, 37, .82);
  border: 1px solid rgba(255, 255, 255, .42);
  border-radius: 999px;
  box-shadow: 0 16px 36px rgba(0, 0, 0, .22);
  color: #fff;
  display: inline-flex;
  height: 76px;
  justify-content: center;
  left: 58%;
  position: absolute;
  text-decoration: none;
  top: 45%;
  transform: translate(-50%, -50%);
  width: 76px;
  z-index: 3;
}

.v2-video-play-overlay span {
  font-size: 2rem;
  line-height: 1;
  margin-left: 5px;
}

.v2-video-play-overlay:hover {
  background: var(--gold);
}

.v2-video-caption {
  align-content: end;
  bottom: 56px;
  color: #fff;
  display: grid;
  gap: 8px;
  left: 34px;
  max-width: 360px;
  position: absolute;
  z-index: 3;
}

.v2-video-caption .brand-logo {
  width: 178px;
}

.v2-video-caption strong {
  font-size: 1.55rem;
  max-width: none;
}

.v2-video-caption span {
  color: rgba(255, 255, 255, .88);
  font-weight: 700;
}

.v2-video-caption a {
  align-self: start;
  background: rgba(255, 255, 255, .92);
  border-radius: 8px;
  color: var(--teal-dark);
  font-size: .86rem;
  font-weight: 900;
  padding: 8px 10px;
  text-decoration: none;
}

.v2-video-picker {
  align-items: center;
  bottom: 14px;
  display: flex;
  gap: 8px;
  left: 34px;
  position: absolute;
  right: 154px;
  z-index: 3;
}

.v2-video-picker button,
.v2-youtube-open {
  align-items: center;
  background: rgba(255, 255, 255, .9);
  border: 1px solid rgba(255, 255, 255, .55);
  border-radius: 8px;
  color: var(--teal-dark);
  display: inline-flex;
  gap: 7px;
  font-size: .82rem;
  font-weight: 900;
  justify-content: center;
  min-height: 34px;
  padding: 6px 10px;
  text-decoration: none;
}

.v2-video-picker button.active {
  background: var(--teal);
  color: #fff;
}

.v2-youtube-open {
  background: rgba(185, 121, 19, .96);
  bottom: 14px;
  color: #fff;
  padding-inline: 14px;
  position: absolute;
  right: 34px;
  z-index: 3;
}

.v2-video-picker button span {
  align-items: center;
  background: rgba(9, 95, 69, .12);
  border-radius: 999px;
  display: inline-flex;
  font-size: .75rem;
  height: 22px;
  justify-content: center;
  width: 22px;
}

.v2-video-picker button.active span {
  background: rgba(255, 255, 255, .2);
}

.v2-video-picker button strong {
  font-size: .82rem;
  max-width: none;
}

.v2-play-button {
  align-items: center;
  background: rgba(5, 47, 37, .78);
  border-radius: 999px;
  display: flex;
  font-size: 2rem;
  height: 82px;
  justify-content: center;
  left: 50%;
  min-height: 0;
  padding: 0 0 0 5px;
  position: absolute;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 82px;
  z-index: 2;
}

.v2-video-controls {
  align-items: center;
  bottom: 18px;
  display: grid;
  gap: 10px;
  grid-template-columns: auto minmax(0, 1fr) auto auto auto;
  left: 24px;
  position: absolute;
  right: 24px;
  z-index: 2;
}

.v2-video-controls div {
  background: rgba(255, 255, 255, .55);
  border-radius: 999px;
  height: 5px;
  overflow: hidden;
}

.v2-video-controls div::before {
  background: #fff;
  content: "";
  display: block;
  height: 100%;
  width: 22%;
}

.v2-progress-panel {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 18px 44px rgba(5, 47, 37, .07);
  color: var(--teal-dark);
  display: grid;
  gap: 18px;
  padding: 24px 26px;
}

.v2-progress-panel h3 {
  font-size: 1.42rem;
}

.v2-progress-content {
  align-items: center;
  display: grid;
  gap: 18px;
  grid-template-columns: 122px minmax(0, 1fr);
}

.v2-progress-content > span {
  color: #607169;
  font-size: 1.05rem;
  line-height: 1.4;
}

.v2-donut {
  align-items: center;
  background:
    radial-gradient(circle closest-side, #fff 70%, transparent 72%),
    conic-gradient(var(--teal) calc(var(--value) * 1%), #e8efeb 0);
  border-radius: 999px;
  display: flex;
  height: 116px;
  justify-content: center;
  width: 116px;
}

.v2-donut strong {
  color: var(--teal);
  font-size: 1.75rem;
}

.v2-progress-panel blockquote {
  border-top: 1px solid var(--line);
  color: #607169;
  font-size: 1.03rem;
  font-style: italic;
  line-height: 1.38;
  margin: 0;
  padding-top: 18px;
}

.v2-dashboard-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: minmax(0, 1fr) 280px;
}

.v2-continue-card,
.v2-progress-card,
.v2-page-title,
.v2-module-row,
.v2-progress-list article,
.v2-module-cards {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 12px 36px rgba(5, 47, 37, .05);
}

.v2-continue-card,
.v2-progress-card,
.v2-page-title,
.v2-module-cards {
  background: transparent;
  border: 0;
  box-shadow: none;
  padding: 0;
}

.v2-continue-card {
  display: grid;
  gap: 8px;
  justify-items: start;
}

.v2-continue-card h3 {
  font-size: 1.25rem;
}

.v2-progress-card {
  align-content: center;
  display: grid;
  gap: 8px;
}

.v2-progress-card strong {
  color: var(--teal);
  font-size: 2.4rem;
  line-height: 1;
}

.v2-section-title {
  align-items: center;
  display: flex;
  justify-content: space-between;
  margin-bottom: 12px;
}

.v2-section-title h3 {
  color: var(--teal-dark);
  font-size: 1.58rem;
}

.v2-text-link {
  background: transparent;
  color: var(--teal);
  min-height: 30px;
  padding: 0;
}

.v2-module-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.v2-module-card {
  align-items: center;
  background: #fff;
  border: 1px solid var(--line);
  box-shadow: 0 12px 34px rgba(5, 47, 37, .035);
  color: var(--teal-dark);
  display: grid;
  gap: 2px 12px;
  grid-template-columns: 56px minmax(0, 1fr) 14px;
  justify-items: stretch;
  min-height: 106px;
  min-width: 0;
  padding: 14px;
  position: relative;
  text-align: left;
}

.v2-module-card:hover,
.v2-module-card.active {
  background: #eaf4f1;
  color: var(--teal-dark);
}

.v2-module-card span,
.v2-module-row button > span,
.v2-lesson-link span {
  color: var(--teal);
  font-size: .78rem;
  font-weight: 900;
  text-transform: uppercase;
}

.v2-module-card .v2-module-icon {
  align-items: center;
  background: #edf5f2;
  border-radius: 999px;
  color: var(--teal);
  display: flex;
  grid-row: 1 / 5;
  height: 52px;
  justify-content: center;
  width: 52px;
}

.v2-module-icon svg {
  height: 32px;
  width: 32px;
}

.v2-module-card strong,
.v2-module-row strong,
.v2-lesson-link strong {
  line-height: 1.2;
}

.v2-module-card strong {
  font-size: 1.02rem;
  min-width: 0;
  overflow-wrap: anywhere;
}

.v2-module-card small,
.v2-module-row small,
.v2-lesson-link small {
  color: var(--muted);
  font-size: .8rem;
}

.v2-module-card > span:not(.v2-module-icon) {
  min-width: 0;
  white-space: nowrap;
}

.v2-card-progress {
  background: #e3ebe7;
  border-radius: 999px;
  height: 5px;
  margin-top: 8px;
  overflow: hidden;
  width: 70%;
}

.v2-card-progress i {
  background: var(--teal);
  display: block;
  height: 100%;
}

.v2-module-card em {
  color: var(--teal-dark);
  font-size: 1.7rem;
  font-style: normal;
  grid-column: 3;
  grid-row: 1 / 5;
}

.v2-doubt-callout {
  align-items: center;
  background: linear-gradient(90deg, #f2f7f4, #fff);
  border: 1px solid var(--line);
  border-radius: 8px;
  display: grid;
  gap: 22px;
  grid-template-columns: 74px minmax(0, 1fr) auto;
  margin-top: 2px;
  padding: 18px 26px;
}

.v2-doubt-callout > span {
  align-items: center;
  background: #edf5f2;
  border-radius: 999px;
  color: var(--teal);
  display: flex;
  height: 64px;
  justify-content: center;
  width: 64px;
}

.v2-doubt-callout svg {
  height: 32px;
  width: 32px;
}

.v2-doubt-callout h3 {
  color: var(--teal-dark);
  font-size: 1.4rem;
}

.v2-doubt-callout p {
  color: #607169;
  margin: 4px 0 0;
}

.v2-doubt-callout button {
  align-items: center;
  background: var(--teal);
  display: inline-flex;
  gap: 10px;
  min-width: 150px;
}

.v2-doubt-callout button svg {
  height: 23px;
  width: 23px;
}

.v2-module-list {
  display: grid;
  gap: 12px;
}

.v2-module-row {
  display: grid;
  gap: 14px;
  grid-template-columns: minmax(260px, .42fr) minmax(0, 1fr);
  padding: 14px;
}

.v2-module-row > button {
  align-content: center;
  background: #f5f8f9;
  color: var(--ink);
  display: grid;
  gap: 5px;
  justify-items: start;
  min-height: 92px;
  text-align: left;
}

.v2-module-row > div {
  display: grid;
  gap: 8px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.v2-lesson-link {
  background: #fff;
  border: 1px solid var(--line);
  color: var(--ink);
  display: grid;
  gap: 3px;
  justify-items: start;
  min-height: 58px;
  padding: 10px;
  text-align: left;
}

.v2-lesson-header {
  grid-template-columns: minmax(240px, 1fr) auto auto;
}

.v2-progress-list {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.v2-progress-list article {
  display: grid;
  gap: 6px;
  padding: 14px;
}

.student-dashboard {
  background:
    linear-gradient(135deg, rgba(5, 47, 37, .98), rgba(9, 95, 69, .94)),
    url("/assets/nexus-logo.svg") right 24px center / 320px auto no-repeat;
  border-radius: 8px;
  color: #fff;
  display: grid;
  gap: 14px;
  grid-template-columns: minmax(220px, 1fr) repeat(4, minmax(120px, .35fr));
  padding: 20px;
}

.student-dashboard .eyebrow {
  color: #f2c879;
  margin-top: 0;
}

.student-dashboard h2 {
  font-size: 1.6rem;
  line-height: 1.15;
}

.student-dashboard strong {
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.18);
  border-radius: 8px;
  display: grid;
  font-size: 1.55rem;
  gap: 4px;
  min-height: 86px;
  padding: 12px;
}

.student-dashboard span {
  font-size: .86rem;
  font-weight: 700;
}

.progress-bar {
  background: rgba(255,255,255,.18);
  border-radius: 999px;
  height: 10px;
  margin-top: 14px;
  overflow: hidden;
}

.progress-bar span {
  background: var(--gold);
  display: block;
  height: 100%;
}

.overview-card {
  align-items: flex-start;
  background: #fff;
  border: 1px solid var(--line);
  color: var(--ink);
  display: grid;
  gap: 8px;
  justify-items: start;
  min-height: 132px;
  padding: 16px;
  text-align: left;
}

.overview-card:hover,
.overview-card.active {
  background: #f7fbf9;
  color: var(--teal-dark);
}

.overview-card.active {
  border-left: 4px solid var(--gold);
}

.overview-card span {
  color: var(--gold);
  font-size: .82rem;
  font-weight: 800;
  text-transform: uppercase;
}

.overview-card strong {
  font-size: 1rem;
  line-height: 1.25;
}

.overview-card small {
  color: var(--muted);
  font-size: .86rem;
}

.admin-layout {
  display: grid;
  gap: 18px;
}

.module-section {
  display: grid;
  gap: 12px;
  min-height: 0;
  overflow: hidden;
}

.wide-card {
  min-height: 360px;
}

.section-scroll {
  max-height: 520px;
  overflow: auto;
  padding-right: 4px;
  scrollbar-color: var(--sage) transparent;
  scrollbar-width: thin;
}

.resource-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.module-hero {
  background:
    linear-gradient(135deg, rgba(255,255,255,.98), rgba(246,250,248,.94));
  border: 1px solid var(--line);
  border-radius: 8px;
  display: grid;
  gap: 12px;
  padding: 22px;
}

.module-hero h2::after,
.card h3::after {
  background: var(--gold);
  border-radius: 999px;
  content: "";
  display: block;
  height: 3px;
  margin-top: 8px;
  width: 42px;
}

.grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 12px 34px rgba(5, 47, 37, .06);
  padding: 20px;
}

.card h3 {
  font-size: 1.05rem;
  margin-bottom: 10px;
}

.material-list,
.question-list,
.history-list {
  display: grid;
  gap: 10px;
}

.card > .history-list {
  max-height: 310px;
  overflow: auto;
  padding-right: 4px;
  scrollbar-color: var(--sage) transparent;
  scrollbar-width: thin;
}

.card > .history-list:empty {
  min-height: 0;
}

.material-list-expanded {
  gap: 14px;
}

.material-item,
.history-item {
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  display: flex;
  gap: 12px;
  justify-content: space-between;
  padding: 12px;
}

.material-list-expanded .material-item {
  align-items: flex-start;
  padding: 18px;
}

.chat-history {
  display: grid;
  gap: 14px;
  margin-top: 12px;
}

.chat-thread {
  display: grid;
  gap: 8px;
}

.history-meta {
  align-items: center;
  color: var(--muted);
  display: flex;
  flex-wrap: wrap;
  font-size: 12px;
  gap: 8px;
  justify-content: space-between;
  max-width: min(860px, 92%);
}

.history-meta strong {
  color: var(--teal);
}

.chat-bubble {
  border: 1px solid var(--line);
  border-radius: 8px;
  max-width: min(860px, 92%);
  padding: 12px 14px;
}

.chat-bubble span {
  color: var(--muted);
  display: block;
  font-size: 12px;
  font-weight: 800;
  margin-bottom: 4px;
  text-transform: uppercase;
}

.chat-bubble p {
  margin: 0;
}

.user-bubble {
  background: #fff;
  justify-self: end;
}

.assistant-bubble {
  background: #f2f8f5;
  border-color: #c7ddd4;
  justify-self: start;
}

.pending-thread .assistant-bubble {
  background: #fffaf0;
  border-color: #e6c36a;
}

.pending-thread .assistant-bubble p::after {
  animation: waitingDots 1.2s infinite;
  content: "";
  display: inline-block;
  min-width: 18px;
}

@keyframes waitingDots {
  0% { content: ""; }
  33% { content: "."; }
  66% { content: ".."; }
  100% { content: "..."; }
}

.lesson-layout {
  align-items: start;
  display: grid;
  gap: 14px;
  grid-template-columns: minmax(0, 1fr) 390px;
  height: 100%;
  min-height: 0;
  overflow: hidden;
}

.reader-mode .lesson-layout {
  gap: 12px;
  grid-template-columns: minmax(0, 1fr) 390px;
}

.lesson-stage,
.lesson-content-panel {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 12px 34px rgba(5, 47, 37, .06);
}

.lesson-stage {
  display: grid;
  grid-template-rows: auto auto auto minmax(0, 1fr);
  height: 100%;
  min-height: 0;
  overflow: hidden;
  padding: 10px 12px;
}

.reader-mode .lesson-stage {
  grid-template-rows: minmax(0, 1fr);
  padding: 0;
}

.reader-mode .lesson-stage-header,
.reader-mode .lesson-meta-line,
.reader-mode .lesson-toolbar {
  display: none;
}

.lesson-stage-header,
.lesson-panel-title {
  align-items: center;
  display: flex;
  gap: 10px;
  justify-content: space-between;
}

.lesson-stage-header .eyebrow {
  flex: 0 0 auto;
  margin: 0;
}

.lesson-stage-header h3 {
  flex: 1 1 auto;
  font-size: 1.02rem;
  line-height: 1.25;
  margin: 0;
  min-width: 0;
}

.lesson-stage-header p {
  color: var(--muted);
  font-weight: 700;
}

.lesson-badge {
  background: #eef6f2;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--green);
  flex: 0 0 auto;
  font-size: .8rem;
  font-weight: 900;
  padding: 4px 8px;
}

.lesson-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 8px 0;
}

.lesson-toolbar button,
.pdf-reader-header button {
  border-radius: 7px;
  font-size: .84rem;
  min-height: 30px;
  padding: 5px 10px;
}

.lesson-meta-line {
  align-items: center;
  background: linear-gradient(135deg, #f4faf7, #fff);
  border: 1px solid var(--line);
  border-left: 4px solid var(--gold);
  border-radius: 8px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
  padding: 8px 10px;
}

.lesson-meta-line strong,
.lesson-meta-line span {
  font-size: .86rem;
  line-height: 1.25;
}

.lesson-meta-line span,
.lesson-empty {
  color: var(--muted);
}

.lesson-meta-line .progress-bar {
  flex: 0 0 90px;
}

.progress-bar.compact {
  height: 6px;
  margin-top: 0;
}

.lesson-content-panel {
  height: 100%;
  max-height: none;
  min-height: 0;
  overflow: auto;
  padding: 14px;
}

.reader-mode .lesson-content-panel {
  box-shadow: none;
  padding: 14px;
}

.lesson-filters {
  grid-template-columns: 1fr 110px 130px;
  margin: 10px 0 12px;
}

.lesson-list {
  display: grid;
  gap: 8px;
}

.lesson-item {
  align-items: flex-start;
  background: #fff;
  border: 1px solid var(--line);
  border-left: 4px solid transparent;
  border-radius: 8px;
  color: var(--ink);
  display: grid;
  gap: 8px;
  grid-template-columns: auto minmax(0, 1fr);
  justify-content: stretch;
  padding: 10px;
  text-align: left;
  width: 100%;
}

.lesson-item:hover,
.lesson-item.active {
  background: #f4faf7;
  border-left-color: var(--gold);
}

.lesson-item.active {
  box-shadow: inset 0 0 0 1px rgba(0, 112, 84, .22);
}

.lesson-item strong,
.lesson-item small {
  display: block;
}

.lesson-item small {
  color: var(--muted);
  line-height: 1.35;
  margin-top: 4px;
}

.lesson-index {
  background: var(--green);
  border-radius: 999px;
  color: #fff;
  font-size: .76rem;
  font-weight: 900;
  padding: 5px 8px;
}

.material-item:hover,
.history-item:hover {
  background: #f9fcfa;
}

.doubt-item {
  align-items: stretch;
}

.doubt-item p {
  margin: 8px 0;
}

.answer-form {
  min-width: min(340px, 100%);
}

.material-item div {
  display: grid;
  gap: 4px;
}

.material-item small {
  color: var(--muted);
}

.kind {
  color: var(--blue);
  font-size: .8rem;
  font-weight: 800;
  text-transform: uppercase;
}

.pdf-reader {
  background: #eef6f2;
  border: 1px solid var(--line);
  border-radius: 8px;
  display: grid;
  gap: 8px;
  grid-template-rows: auto minmax(0, 1fr);
  height: 100%;
  min-height: 0;
  margin-top: 8px;
  overflow: hidden;
  padding: 8px;
}

.reader-mode .pdf-reader {
  border-radius: 6px;
  margin: 0;
}

.lesson-stage .pdf-reader {
  margin-top: 0;
}

.pdf-reader-header {
  align-items: center;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  display: flex;
  gap: 10px;
  justify-content: space-between;
  padding: 8px 10px;
  position: sticky;
  top: 0;
  z-index: 2;
}

.pdf-reader-header div {
  display: grid;
  gap: 2px;
}

.pdf-reader-header strong {
  font-size: .94rem;
}

.pdf-reader-header span {
  color: var(--muted);
  font-size: .84rem;
  font-weight: 700;
}

.pdf-pages {
  display: grid;
  gap: 12px;
  height: 100%;
  justify-items: center;
  max-height: none;
  min-height: 0;
  overflow: auto;
  padding-right: 4px;
  scrollbar-color: var(--sage) transparent;
  scrollbar-width: thin;
  width: 100%;
}

.pdf-page {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 12px 28px rgba(5, 47, 37, .08);
  display: grid;
  gap: 10px;
  max-width: 100%;
  padding: 12px;
  width: fit-content;
}

.pdf-page-placeholder {
  align-content: start;
  min-height: min(72vh, 760px);
  width: min(100%, 920px);
}

.pdf-page span {
  color: var(--muted);
  font-size: .82rem;
  font-weight: 800;
}

.pdf-page canvas {
  height: auto;
  max-width: 100%;
}

.pdf-page-loading {
  align-items: center;
  color: var(--muted);
  display: flex;
  font-size: .9rem;
  font-weight: 800;
  gap: 10px;
  justify-content: center;
  min-height: 220px;
  text-align: center;
}

.pdf-page-loading::before {
  animation: pdfSpin .9s linear infinite;
  border: 4px solid #dfeee9;
  border-top-color: var(--teal);
  border-radius: 50%;
  content: "";
  height: 30px;
  width: 30px;
}

.pdf-loading {
  align-items: center;
  align-self: start;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 12px 28px rgba(5, 47, 37, .08);
  color: var(--ink);
  display: grid;
  gap: 10px;
  justify-items: center;
  margin-top: 24px;
  max-width: 420px;
  padding: 28px;
  text-align: center;
  width: min(100%, 420px);
}

.pdf-loading-gauge {
  animation: pdfSpin .9s linear infinite;
  border: 5px solid #dfeee9;
  border-top-color: var(--teal);
  border-radius: 50%;
  height: 54px;
  width: 54px;
}

.pdf-loading strong {
  font-size: 1rem;
}

.pdf-loading span {
  color: var(--muted);
  font-size: .9rem;
  line-height: 1.45;
}

.pdf-loading-bar {
  background: #dfeee9;
  border-radius: 999px;
  height: 8px;
  overflow: hidden;
  width: 100%;
}

.pdf-loading-bar i {
  background: linear-gradient(90deg, var(--teal), var(--gold));
  border-radius: inherit;
  display: block;
  height: 100%;
  transition: width .22s ease;
}

@keyframes pdfSpin {
  to {
    transform: rotate(360deg);
  }
}

.study-card {
  background: #fff;
  border: 1px solid var(--line);
  border-left: 4px solid var(--gold);
  border-radius: 8px;
  max-height: 150px;
  overflow: auto;
  padding: 14px;
}

.study-card strong {
  display: block;
  margin-bottom: 8px;
}

.study-card span {
  line-height: 1.5;
}

.question {
  border: 1px solid var(--line);
  border-radius: 8px;
  display: grid;
  gap: 12px;
  padding: 18px;
}

.options {
  display: grid;
  gap: 8px;
}

.option {
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  display: flex;
  gap: 10px;
  padding: 10px;
}

.option input {
  min-height: auto;
  width: auto;
}

.option.correct {
  background: #e7f4ee;
  border-color: rgba(0, 112, 84, .45);
  color: var(--green);
}

.option.wrong {
  background: #f8e9ec;
  border-color: rgba(160, 37, 55, .45);
  color: var(--rose);
}

.result {
  display: grid;
  gap: 6px;
  border-radius: 8px;
  margin-top: 12px;
  padding: 12px;
}

.result strong {
  font-weight: 900;
}

.result span,
.result small {
  line-height: 1.45;
}

.result.ok {
  background: #e7f4ee;
  color: var(--green);
}

.result.fail {
  background: #f8e9ec;
  color: var(--rose);
}

.admin-form {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-bottom: 16px;
}

.admin-form label:last-of-type,
.admin-form button,
.admin-form .full,
.admin-form .form-status {
  grid-column: 1 / -1;
}

.home-videos-form {
  margin-top: 10px;
}

.home-video-config {
  border: 1px solid var(--line);
  border-radius: 8px;
  display: grid;
  gap: 12px;
  grid-column: 1 / -1;
  grid-template-columns: 110px repeat(2, minmax(0, 1fr));
  margin: 0;
  padding: 14px;
}

.home-video-config legend {
  color: var(--gold);
  font-size: .78rem;
  font-weight: 900;
  padding: 0 6px;
  text-transform: uppercase;
}

.home-video-config .full,
.home-video-config .inline-check {
  grid-column: 1 / -1;
}

.stack-form {
  display: grid;
  gap: 10px;
}

.actions-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

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

.module-admin-item {
  align-items: flex-start;
}

.mini-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  justify-content: flex-end;
}

.mini-actions button {
  min-height: 34px;
  padding: 7px 10px;
}

.link-button {
  align-items: center;
  background: var(--teal);
  border-radius: 8px;
  color: #fff;
  display: inline-flex;
  font-weight: 800;
  justify-content: center;
  min-height: 42px;
  padding: 0 18px;
  text-decoration: none;
}

.compact-link {
  min-height: 34px;
  padding: 7px 10px;
}

.admin-dashboard {
  display: grid;
  gap: 16px;
}

.dashboard-hero {
  align-items: center;
  background:
    linear-gradient(135deg, rgba(5, 47, 37, .98), rgba(9, 95, 69, .92)),
    url("/assets/nexus-logo.svg") right 28px center / 300px auto no-repeat;
  border-radius: 8px;
  color: #fff;
  display: grid;
  gap: 24px;
  grid-template-columns: minmax(0, 1fr) minmax(180px, 240px);
  min-height: 190px;
  padding: 26px;
}

.dashboard-hero .eyebrow {
  color: #f2c879;
  margin-top: 0;
}

.dashboard-hero h3 {
  font-size: 2.15rem;
}

.dashboard-hero p {
  line-height: 1.55;
  max-width: 720px;
}

.dashboard-score {
  background: rgba(255,255,255,.14);
  border: 1px solid rgba(255,255,255,.24);
  border-radius: 8px;
  display: grid;
  gap: 4px;
  padding: 18px;
}

.dashboard-score strong {
  font-size: 3rem;
  line-height: 1;
}

.dashboard-score span {
  font-weight: 800;
}

.dashboard-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.dashboard-grid strong,
.dashboard-stat {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 12px 28px rgba(5, 47, 37, .06);
  display: grid;
  font-size: 2rem;
  gap: 5px;
  min-height: 92px;
  padding: 16px;
  text-align: left;
}

.dashboard-stat {
  color: var(--ink);
  cursor: pointer;
  font-family: inherit;
}

.dashboard-stat:hover,
.student-report-row:hover,
.action-row:hover {
  border-color: rgba(0, 118, 92, .35);
  box-shadow: 0 14px 30px rgba(5, 47, 37, .1);
  transform: translateY(-1px);
}

.dashboard-stat strong {
  border: 0;
  box-shadow: none;
  display: block;
  font-size: 2rem;
  min-height: auto;
  padding: 0;
}

.dashboard-grid span {
  color: var(--muted);
  font-size: .78rem;
  font-weight: 700;
}

.dashboard-panels {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.dashboard-columns {
  display: grid;
  gap: 16px;
  grid-template-columns: 1.35fr 1fr 1fr;
}

.dashboard-panel {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 12px 28px rgba(5, 47, 37, .06);
  display: grid;
  gap: 14px;
  padding: 18px;
}

.dashboard-panel h4 {
  font-size: 1rem;
  margin: 0;
}

.panel-title,
.metric-line,
.compact-row {
  align-items: center;
  display: flex;
  gap: 12px;
  justify-content: space-between;
}

.panel-title span,
.metric-line span,
.compact-row span {
  color: var(--muted);
  font-weight: 700;
}

.panel-title strong {
  color: var(--green);
  font-size: 1.9rem;
}

.progress-bar.light {
  background: #e4eee9;
  margin: 0;
}

.module-performance,
.compact-list {
  display: grid;
  gap: 10px;
}

.performance-row {
  border: 1px solid var(--line);
  border-radius: 8px;
  display: grid;
  gap: 8px;
  padding: 12px;
}

.performance-row > div:first-child {
  align-items: start;
  display: flex;
  gap: 10px;
  justify-content: space-between;
}

.performance-row span {
  color: var(--muted);
  display: block;
  font-size: .82rem;
  font-weight: 700;
  margin-top: 3px;
}

.performance-row small {
  color: var(--green);
  font-weight: 900;
}

.compact-row {
  border-bottom: 1px solid var(--line);
  padding-bottom: 10px;
}

.compact-row:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.compact-row strong,
.compact-row span {
  display: block;
}

.compact-row em {
  color: var(--green);
  font-style: normal;
  font-weight: 900;
}

.compact-row .ok-text {
  color: var(--green);
}

.compact-row .fail-text {
  color: var(--rose);
}

.inline-check {
  align-items: center;
  display: flex;
  flex-direction: row;
  gap: 9px;
}

.inline-check input {
  min-height: auto;
  width: auto;
}

.form-status {
  color: var(--green);
  font-weight: 800;
  min-height: 20px;
  margin: 0;
}

.form-status.pending-status,
.form-status.success,
.form-status.fail {
  white-space: pre-line;
}

.form-status.pending-status {
  color: #9a6a00;
}

.form-status.fail {
  color: #b42318;
}

.app-shell[data-student-view="lesson"],
.app-shell[data-student-view="exam"] {
  grid-template-columns: 320px minmax(0, 1fr);
}

.app-shell[data-student-view="lesson"] .topbar,
.app-shell[data-student-view="exam"] .topbar {
  display: none;
}

.app-shell[data-student-view="lesson"] .workspace,
.app-shell[data-student-view="exam"] .workspace {
  background: #fff;
  gap: 0;
  grid-template-rows: minmax(0, 1fr);
  padding: 0;
}

.app-shell[data-student-view="lesson"] .module-detail,
.app-shell[data-student-view="exam"] .module-detail {
  display: block;
  height: 100vh;
  overflow: auto;
}

.app-shell[data-student-view="lesson"] .sidebar,
.app-shell[data-student-view="exam"] .sidebar {
  background: linear-gradient(180deg, #052a38, #063342 48%, #053122);
  gap: 22px;
  padding: 22px 16px;
}

.app-shell[data-student-view="lesson"] .sidebar .brand-logo,
.app-shell[data-student-view="exam"] .sidebar .brand-logo {
  background: transparent;
  border: 0;
  height: 74px;
  padding: 0 6px;
}

.app-shell[data-student-view="lesson"] .sidebar .brand-logo img,
.app-shell[data-student-view="exam"] .sidebar .brand-logo img {
  filter: brightness(0) invert(1);
  max-height: 54px;
}

.app-shell[data-student-view="lesson"] .sidebar h2,
.app-shell[data-student-view="lesson"] .secondary-button,
.app-shell[data-student-view="exam"] .sidebar h2,
.app-shell[data-student-view="exam"] .secondary-button {
  display: none;
}

.lesson-home-link {
  align-items: center;
  background: rgba(255, 255, 255, .08);
  border: 1px solid rgba(255, 255, 255, .14);
  color: #fff;
  display: flex;
  gap: 10px;
  justify-content: flex-start;
  min-height: 42px;
  padding: 8px 12px;
  width: 100%;
}

.lesson-home-link svg {
  height: 22px;
  width: 22px;
}

.lesson-sidebar-heading {
  color: #fff;
  font-size: 1.28rem;
  font-weight: 900;
  margin-top: -6px;
}

.lesson-sidebar-list,
.lesson-sidebar-group,
.lesson-sidebar-lessons {
  display: grid;
  gap: 8px;
}

.lesson-sidebar-module {
  align-items: center;
  background: transparent;
  border: 1px solid transparent;
  color: #fff;
  display: grid;
  gap: 10px;
  grid-template-columns: 36px minmax(0, 1fr) 18px;
  justify-items: stretch;
  min-height: 62px;
  padding: 9px 10px;
  text-align: left;
  width: 100%;
}

.lesson-sidebar-module:hover,
.lesson-sidebar-module.open {
  background: rgba(8, 117, 142, .36);
}

.lesson-sidebar-group.selected > .lesson-sidebar-module {
  background: linear-gradient(90deg, rgba(12, 117, 139, .94), rgba(9, 95, 69, .78));
}

.lesson-sidebar-icon {
  align-items: center;
  color: #fff;
  display: flex;
  height: 34px;
  justify-content: center;
  width: 34px;
}

.lesson-sidebar-icon svg,
.lesson-sidebar-lessons svg {
  height: 24px;
  width: 24px;
}

.lesson-sidebar-module strong,
.lesson-sidebar-module small {
  display: block;
  min-width: 0;
  overflow-wrap: anywhere;
}

.lesson-sidebar-module strong {
  font-size: .98rem;
}

.lesson-sidebar-module small {
  color: rgba(255, 255, 255, .78);
  font-size: .9rem;
  font-weight: 500;
  line-height: 1.25;
  margin-top: 2px;
}

.lesson-sidebar-module em {
  color: rgba(255, 255, 255, .9);
  font-style: normal;
  font-weight: 900;
}

.lesson-sidebar-lessons {
  border-left: 2px solid rgba(42, 162, 177, .34);
  margin-left: 18px;
  padding-left: 14px;
}

.lesson-sidebar-lessons button {
  align-items: center;
  background: transparent;
  border: 1px solid transparent;
  color: rgba(255, 255, 255, .9);
  display: grid;
  gap: 8px;
  grid-template-columns: 22px minmax(0, 1fr);
  justify-items: start;
  min-height: 38px;
  padding: 7px 9px;
  text-align: left;
}

.lesson-sidebar-lessons button:hover,
.lesson-sidebar-lessons button.active {
  background: rgba(10, 130, 153, .58);
}

.lesson-sidebar-lessons .lesson-sidebar-exam {
  background: rgba(255, 255, 255, .08);
  border-color: rgba(255, 255, 255, .18);
  margin-top: 8px;
  min-height: 46px;
}

.lesson-sidebar-lessons .lesson-sidebar-exam:hover,
.lesson-sidebar-lessons .lesson-sidebar-exam.active {
  background: linear-gradient(90deg, rgba(211, 147, 27, .95), rgba(10, 112, 84, .86));
  color: #fff;
}

.lesson-sidebar-lessons strong {
  font-size: .9rem;
  line-height: 1.25;
  min-width: 0;
  overflow-wrap: anywhere;
}

.lesson-sidebar-lessons p {
  color: rgba(255, 255, 255, .74);
  font-size: .82rem;
  margin: 0;
}

.v2-lesson-page {
  background: #fff;
  min-height: 100vh;
}

.v2-lesson-topbar {
  align-items: center;
  border-bottom: 1px solid #dce7ef;
  display: grid;
  gap: 18px;
  grid-template-columns: minmax(260px, 1fr) minmax(320px, 430px) auto;
  min-height: 78px;
  padding: 14px 28px;
}

.v2-lesson-topbar p {
  color: #071f3e;
  font-size: 1.05rem;
  font-weight: 800;
  margin: 0;
}

.v2-lesson-search {
  align-items: center;
  border: 1px solid #cfdde9;
  border-radius: 8px;
  display: grid;
  gap: 8px;
  grid-template-columns: minmax(0, 1fr) 24px;
  min-height: 46px;
  padding: 0 12px;
}

.v2-lesson-search input {
  border: 0;
  min-height: 42px;
  padding: 0;
}

.v2-lesson-search svg {
  color: #31506c;
  height: 24px;
  width: 24px;
}

.lesson-user-area {
  color: #071f3e;
}

.v2-lesson-shell {
  display: grid;
  gap: 32px;
  grid-template-columns: minmax(0, 1fr) 330px;
  padding: 24px 28px 32px;
}

.v2-lesson-main {
  min-width: 0;
}

.v2-breadcrumb {
  align-items: center;
  color: #1980c9;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-weight: 700;
  margin-bottom: 12px;
}

.v2-breadcrumb button {
  background: transparent;
  color: #1980c9;
  min-height: 26px;
  padding: 0;
}

.v2-breadcrumb strong {
  color: #61738a;
}

.v2-lesson-title {
  margin-bottom: 14px;
}

.v2-lesson-title h2 {
  color: #071f3e;
  font-size: 2rem;
  line-height: 1.14;
}

.v2-lesson-title p {
  color: #60738d;
  font-size: 1.2rem;
  margin: 4px 0 0;
}

.v2-lesson-player {
  aspect-ratio: 16 / 8.45;
  background:
    linear-gradient(90deg, rgba(235, 246, 249, .96), rgba(210, 230, 237, .78) 48%, rgba(255, 255, 255, .18)),
    url("/assets/nexus-hero.jpg") right center / cover no-repeat;
  border-radius: 6px;
  box-shadow: 0 18px 50px rgba(8, 32, 55, .12);
  display: grid;
  grid-template-rows: auto 1fr auto auto;
  overflow: hidden;
  padding: 58px 12% 0;
  position: relative;
}

.v2-lesson-player::before {
  background: #000;
  content: "";
  height: 42px;
  inset: 0 0 auto;
  position: absolute;
}

.v2-lesson-player .brand-logo {
  background: transparent;
  border: 0;
  height: 46px;
  padding: 0;
  width: 190px;
  z-index: 1;
}

.v2-lesson-player strong {
  color: var(--teal);
  font-size: 2.35rem;
  line-height: 1.12;
  max-width: 11ch;
  z-index: 1;
}

.v2-lesson-player > span {
  color: #0c6a78;
  font-size: 1.15rem;
  margin-top: 16px;
  z-index: 1;
}

.v2-player-play {
  align-items: center;
  align-self: center;
  background: rgba(5, 47, 37, .82);
  border-radius: 999px;
  display: flex;
  font-size: 2rem;
  height: 86px;
  justify-content: center;
  justify-self: center;
  left: 50%;
  min-height: 86px;
  padding: 0 0 0 5px;
  position: absolute;
  top: 50%;
  transform: translate(-50%, -40%);
  width: 86px;
  z-index: 2;
}

.v2-player-controls {
  align-items: center;
  background: linear-gradient(180deg, transparent, rgba(0, 0, 0, .86));
  color: #fff;
  display: grid;
  gap: 12px;
  grid-template-columns: auto minmax(0, 1fr) auto auto auto;
  inset: auto 0 0;
  min-height: 74px;
  padding: 26px 22px 14px;
  position: absolute;
  z-index: 2;
}

.v2-player-controls i {
  background: linear-gradient(90deg, #0ea5c4 16%, rgba(255, 255, 255, .35) 16%);
  border-radius: 999px;
  height: 6px;
}

.v2-player-controls b {
  font-size: 1.28rem;
}

.v2-pdf-stage {
  aspect-ratio: auto;
  min-height: 260px;
  padding: 64px 12% 34px;
}

.v2-pdf-stage strong {
  max-width: 18ch;
}

.v2-pdf-stage p {
  color: #405d66;
  font-weight: 700;
  margin: 14px 0 0;
  max-width: 520px;
  position: relative;
  z-index: 1;
}

.v2-pdf-open {
  border-radius: 8px;
  font-size: 1rem;
  height: auto;
  justify-self: start;
  left: auto;
  margin-top: 24px;
  min-height: 0;
  padding: 13px 22px;
  position: relative;
  top: auto;
  transform: none;
  width: auto;
}

.v2-lesson-tabs {
  border-bottom: 1px solid #dce7ef;
  display: flex;
  gap: 28px;
  margin-top: 26px;
}

.v2-lesson-tabs button {
  align-items: center;
  background: transparent;
  border-bottom: 3px solid transparent;
  border-radius: 0;
  color: #49627f;
  display: inline-flex;
  gap: 10px;
  min-height: 50px;
  padding: 0 24px 0 0;
}

.v2-lesson-tabs button.active {
  border-color: #0b7b92;
  color: #071f3e;
}

.v2-lesson-tabs svg {
  height: 22px;
  width: 22px;
}

.v2-lesson-description {
  color: #526783;
  font-size: 1.05rem;
  line-height: 1.58;
  padding-top: 26px;
}

.v2-lesson-description h3 {
  color: #071f3e;
  font-size: 1.35rem;
  margin-bottom: 4px;
}

.v2-lesson-description p {
  margin: 0;
}

.v2-lesson-nav {
  align-items: center;
  display: flex;
  justify-content: space-between;
  margin-top: 50px;
}

.v2-lesson-nav button {
  background: #eef4f8;
  color: #63809b;
  font-size: 1.05rem;
  min-height: 62px;
  min-width: 210px;
}

.v2-lesson-nav button:not(:disabled):last-child {
  background: linear-gradient(135deg, #007f97, #005f79);
  color: #fff;
}

.v2-lesson-aside {
  display: grid;
  gap: 26px;
  align-content: start;
}

.v2-side-card {
  background: linear-gradient(135deg, #fff, #f7fbfd);
  border: 1px solid #dce7ef;
  border-radius: 8px;
  box-shadow: 0 14px 34px rgba(8, 32, 55, .06);
  padding: 16px;
}

.v2-side-card h3 {
  color: #071f3e;
  font-size: 1.22rem;
  margin-bottom: 14px;
}

.v2-material-tiles {
  display: grid;
  gap: 8px;
}

.v2-material-groups {
  display: grid;
  gap: 16px;
}

.v2-material-group {
  display: grid;
  gap: 8px;
}

.v2-material-group h4 {
  align-items: center;
  color: #071f3e;
  display: flex;
  font-size: .95rem;
  gap: 10px;
  line-height: 1.25;
  margin: 0;
}

.v2-material-group h4 > span:last-child {
  display: grid;
  gap: 2px;
  min-width: 0;
}

.v2-material-group h4 small {
  color: #60738d;
  font-size: .78rem;
  font-weight: 700;
}

.v2-material-tile {
  align-items: center;
  background: #fff;
  border: 1px solid #e1eaf2;
  border-radius: 8px;
  color: #071f3e;
  display: grid;
  gap: 4px;
  grid-template-columns: minmax(0, 1fr);
  justify-items: start;
  min-height: 54px;
  padding: 10px 12px;
  text-align: left;
  width: 100%;
}

.v2-material-tile:hover,
.v2-material-tile.active {
  background: #f6fbfc;
}

.v2-material-tile strong,
.v2-material-tile small {
  min-width: 0;
  overflow-wrap: anywhere;
}

.v2-material-tile strong {
  font-size: .98rem;
  line-height: 1.25;
}

.v2-material-tile small {
  color: #60738d;
  font-weight: 600;
}

.v2-material-icon {
  align-items: center;
  border-radius: 8px;
  color: #fff;
  display: flex;
  flex: 0 0 auto;
  height: 34px;
  justify-content: center;
  width: 34px;
}

.v2-material-icon svg {
  height: 20px;
  width: 20px;
}

.v2-material-icon.video { background: #1589a6; }
.v2-material-icon.pdf { background: #e93a35; }
.v2-material-icon.article { background: #8438d7; }
.v2-material-icon.guideline { background: #25a947; }
.v2-material-icon.protocol { background: #f05a1b; }

.material-back-card button {
  align-items: center;
  background: #eef7f5;
  border: 1px solid #cfe2dc;
  color: var(--teal-dark);
  display: grid;
  gap: 10px;
  grid-template-columns: 34px minmax(0, 1fr);
  justify-items: start;
  padding: 10px 12px;
  text-align: left;
  width: 100%;
}

.material-back-card svg {
  height: 24px;
  width: 24px;
}

.material-back-card strong,
.material-back-card small {
  display: block;
  min-width: 0;
  overflow-wrap: anywhere;
}

.material-back-card small {
  color: #60738d;
  font-size: .78rem;
}

.v2-info-list {
  display: grid;
  gap: 18px;
}

.v2-info-list span {
  align-items: center;
  color: #36536f;
  display: grid;
  gap: 14px;
  grid-template-columns: 28px minmax(0, 1fr);
}

.v2-info-list svg {
  color: #08284a;
  height: 24px;
  width: 24px;
}

.v2-info-list strong {
  font-weight: 600;
  line-height: 1.35;
  min-width: 0;
}

.lesson-value-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 22px;
}

.lesson-value-grid article,
.lesson-ai-panel,
.report-writing-panel,
.lesson-assessment-panel,
.study-tool,
.orientation-intro article,
.minimum-plan-panel,
.student-report-panel {
  background: linear-gradient(135deg, #f8fbfc, #fff);
  border: 1px solid #dce7ef;
  border-radius: 8px;
  box-shadow: 0 12px 28px rgba(8, 32, 55, .045);
}

.lesson-value-grid article {
  display: grid;
  gap: 8px;
  padding: 16px;
}

.lesson-value-grid span,
.study-tool > span {
  align-items: center;
  background: #e6f3f4;
  border-radius: 999px;
  color: var(--teal);
  display: flex;
  height: 42px;
  justify-content: center;
  width: 42px;
}

.lesson-value-grid svg,
.study-tool svg {
  height: 24px;
  width: 24px;
}

.lesson-value-grid strong,
.lesson-ai-panel h3,
.report-writing-panel h3,
.study-tool strong {
  color: #071f3e;
}

.lesson-value-grid p,
.lesson-ai-panel p,
.report-writing-panel p,
.study-tool p {
  color: #60738d;
  line-height: 1.45;
  margin: 0;
}

.lesson-ai-panel,
.report-writing-panel,
.lesson-assessment-panel {
  display: grid;
  gap: 16px;
  margin-top: 18px;
  padding: 18px;
}

.lesson-ai-panel {
  grid-template-columns: minmax(240px, .42fr) minmax(0, 1fr);
}

.lesson-chat-form,
.stack-form {
  display: grid;
  gap: 10px;
}

.quick-prompts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.quick-prompts button {
  background: #eaf4f1;
  color: var(--teal-dark);
  font-size: .84rem;
  min-height: 32px;
  padding: 6px 10px;
}

.lesson-chat-form {
  grid-template-columns: minmax(0, 1fr) auto;
}

.lesson-chat-form .quick-prompts,
.lesson-chat-form .form-status,
.lesson-chat-form .lesson-chat-answer {
  grid-column: 1 / -1;
}

.lesson-chat-answer {
  display: grid;
  gap: 8px;
  min-height: 0;
}

.lesson-chat-bubble {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 12px;
  background: #ffffff;
  color: var(--ink);
}

.lesson-chat-bubble span {
  display: block;
  margin-bottom: 4px;
  color: var(--muted);
  font-size: .72rem;
  font-weight: 900;
  text-transform: uppercase;
}

.lesson-chat-bubble p {
  margin: 0;
  line-height: 1.45;
}

.formatted-answer {
  display: grid;
  gap: 8px;
  line-height: 1.5;
}

.formatted-answer p,
.formatted-answer ul {
  margin: 0;
}

.formatted-answer ul {
  display: grid;
  gap: 6px;
  padding-left: 20px;
}

.formatted-answer li {
  padding-left: 2px;
}

.lesson-chat-bubble.user {
  justify-self: end;
  width: min(680px, 88%);
  background: #f7fbfa;
}

.lesson-chat-bubble.assistant {
  justify-self: start;
  width: min(820px, 94%);
  border-left: 4px solid var(--gold);
}

.lesson-chat-answer.is-loading .lesson-chat-bubble.assistant {
  color: var(--muted);
}

.lesson-chat-answer.has-error .lesson-chat-bubble.assistant {
  border-left-color: #b42318;
}

.report-writing-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.report-writing-grid textarea {
  min-height: 98px;
  resize: vertical;
}

.lesson-assessment-heading {
  align-items: start;
  display: flex;
  gap: 16px;
  justify-content: space-between;
}

.lesson-assessment-heading h3,
.assessment-card strong {
  color: #071f3e;
}

.lesson-assessment-summary {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: flex-end;
}

.lesson-assessment-summary span {
  background: #eef7f5;
  border: 1px solid #d7e7e2;
  border-radius: 999px;
  color: var(--teal-dark);
  font-size: .82rem;
  font-weight: 800;
  padding: 6px 10px;
}

.lesson-assessment-flow {
  display: grid;
  gap: 12px;
  grid-template-columns: 1fr;
}

.assessment-card {
  background: #fff;
  border: 1px solid #dce7ef;
  border-radius: 8px;
  overflow: hidden;
}

.assessment-card summary {
  align-items: center;
  cursor: pointer;
  display: grid;
  gap: 4px 12px;
  grid-template-columns: 42px minmax(0, 1fr);
  list-style: none;
  min-height: 72px;
  padding: 12px;
}

.assessment-card summary::-webkit-details-marker {
  display: none;
}

.assessment-card summary span {
  align-items: center;
  background: #e6f3f4;
  border-radius: 999px;
  color: var(--teal);
  display: flex;
  grid-row: 1 / 3;
  height: 42px;
  justify-content: center;
  width: 42px;
}

.assessment-card summary svg {
  height: 22px;
  width: 22px;
}

.assessment-card small {
  color: #60738d;
  font-weight: 700;
}

.assessment-card[open] summary {
  border-bottom: 1px solid #dce7ef;
}

.assessment-card .question-list,
.assessment-card form {
  padding: 12px;
}

.assessment-card .question-list {
  max-height: 520px;
  overflow: auto;
}

.assessment-card form {
  display: grid;
  gap: 12px;
}

.module-exam-stage {
  border: 1px solid #dce7ef;
  border-radius: 8px;
  display: grid;
  gap: 12px;
  padding: 14px;
}

.module-exam-stage.locked {
  background: #f7faf9;
}

.module-exam-stage.ready {
  background: #fff;
  border-color: rgba(0, 112, 84, .28);
}

.module-exam-stage.approved {
  background: #edf8f2;
  border-color: rgba(0, 112, 84, .36);
}

.lesson-exam-shortcut > button {
  justify-self: start;
  min-width: 210px;
}

.module-exam-intro {
  align-items: center;
  display: grid;
  gap: 12px;
  grid-template-columns: 48px minmax(0, 1fr) minmax(180px, auto);
}

.module-exam-intro > span {
  align-items: center;
  background: #e6f3f4;
  border-radius: 999px;
  color: var(--teal);
  display: flex;
  height: 48px;
  justify-content: center;
  width: 48px;
}

.module-exam-intro svg {
  height: 24px;
  width: 24px;
}

.module-exam-intro strong {
  color: #071f3e;
  display: block;
  font-size: 1.05rem;
  margin-bottom: 4px;
}

.module-exam-intro p {
  color: #60738d;
  line-height: 1.45;
  margin: 0;
}

.module-exam-intro em {
  color: var(--teal-dark);
  font-size: .86rem;
  font-style: normal;
  font-weight: 900;
  justify-self: end;
  text-align: right;
}

.exam-step {
  border-color: #cddfe8;
}

.exam-prerequisite {
  background: #fff7e5;
  border: 1px solid #edd38f;
  border-radius: 8px;
  color: #795300;
  font-weight: 800;
  margin: 0;
  padding: 10px 12px;
}

.exam-prerequisite.ok {
  background: #e7f4ee;
  border-color: rgba(0, 112, 84, .28);
  color: var(--teal-dark);
}

.v2-exam-page {
  background: #fff;
  min-height: 100vh;
}

.module-exam-page {
  display: grid;
  gap: 20px;
  padding: 28px;
}

.module-exam-hero,
.module-exam-card,
.module-exam-history {
  background: linear-gradient(135deg, #fff, #f7fbfd);
  border: 1px solid #dce7ef;
  border-radius: 8px;
  box-shadow: 0 14px 34px rgba(8, 32, 55, .06);
}

.module-exam-hero {
  align-items: center;
  display: grid;
  gap: 18px;
  grid-template-columns: minmax(0, 1fr) minmax(280px, auto);
  padding: 22px;
}

.module-exam-hero h2 {
  color: #071f3e;
  font-size: clamp(1.7rem, 3vw, 2.5rem);
  line-height: 1.1;
}

.module-exam-hero p,
.module-exam-status span {
  color: #60738d;
  margin: 0;
}

.module-exam-status {
  background: #eef7f5;
  border: 1px solid #d7e7e2;
  border-radius: 8px;
  color: var(--teal-dark);
  display: grid;
  gap: 6px;
  padding: 14px 16px;
}

.module-exam-status strong {
  color: var(--teal-dark);
}

.module-exam-rules {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.module-exam-rules article {
  background: #fff;
  border: 1px solid #dce7ef;
  border-radius: 8px;
  display: grid;
  gap: 8px;
  padding: 16px;
}

.module-exam-rules span {
  align-items: center;
  background: #e6f3f4;
  border-radius: 999px;
  color: var(--teal);
  display: flex;
  height: 42px;
  justify-content: center;
  width: 42px;
}

.module-exam-rules svg {
  height: 22px;
  width: 22px;
}

.module-exam-rules strong,
.module-exam-card h3,
.module-exam-history h3 {
  color: #071f3e;
}

.module-exam-rules p,
.module-exam-rules small {
  color: #60738d;
  line-height: 1.45;
  margin: 0;
}

.module-exam-card,
.module-exam-history {
  display: grid;
  gap: 14px;
  padding: 18px;
}

.module-exam-card-heading {
  align-items: center;
  display: flex;
  gap: 14px;
  justify-content: space-between;
}

.module-exam-card-heading button {
  min-width: 150px;
}

.module-exam-form {
  display: grid;
  gap: 14px;
}

.module-exam-form .question-list {
  max-height: none;
}

.module-exam-history > div {
  display: grid;
  gap: 8px;
}

.module-exam-history article {
  align-items: center;
  border: 1px solid #dce7ef;
  border-radius: 8px;
  display: grid;
  gap: 12px;
  grid-template-columns: minmax(0, 1fr) 90px 130px;
  padding: 10px 12px;
}

.module-exam-history span {
  color: #60738d;
}

.module-exam-history em {
  font-style: normal;
  font-weight: 900;
  text-align: right;
}

.autosave-status {
  color: var(--muted);
  display: block;
  font-size: .78rem;
  font-weight: 800;
  margin-top: 8px;
}

.autosave-status.saving {
  color: #9a6a00;
}

.autosave-status.saved {
  color: var(--teal);
}

.autosave-status.error {
  color: #b42318;
}

.minimum-plan-list {
  display: grid;
  gap: 10px;
}

.minimum-plan-list span {
  align-items: center;
  background: #f6faf9;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: #49627f;
  display: flex;
  justify-content: space-between;
  min-height: 38px;
  padding: 8px 10px;
}

.study-tool-grid {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-bottom: 16px;
}

.study-tool {
  display: grid;
  gap: 8px;
  min-height: 170px;
  padding: 16px;
}

.resource-grid.enhanced {
  margin-top: 8px;
}

.orientation-intro {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-bottom: 14px;
}

.orientation-intro article {
  display: grid;
  gap: 5px;
  padding: 14px;
}

.orientation-intro span {
  color: var(--muted);
  line-height: 1.4;
}

.minimum-plan-panel {
  display: grid;
  gap: 12px;
  padding: 18px;
}

.minimum-plan-steps {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.minimum-plan-steps span {
  align-items: center;
  background: #f6faf9;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: #3d5d54;
  display: flex;
  gap: 8px;
  min-height: 42px;
  padding: 8px 10px;
}

.minimum-plan-steps strong {
  align-items: center;
  background: var(--teal);
  border-radius: 999px;
  color: #fff;
  display: inline-flex;
  height: 24px;
  justify-content: center;
  width: 24px;
}

.student-report-panel {
  display: grid;
  gap: 14px;
  padding: 18px;
}

.student-report-table {
  display: grid;
  gap: 8px;
}

.student-report-row {
  align-items: center;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  cursor: pointer;
  display: grid;
  font-family: inherit;
  gap: 10px;
  grid-template-columns: minmax(190px, 1fr) 56px minmax(120px, .6fr) minmax(170px, .8fr);
  padding: 10px 12px;
  text-align: left;
  transition: .18s ease;
}

.student-report-row span,
.student-report-row small {
  color: var(--muted);
  display: block;
  margin-top: 2px;
}

.student-report-row em {
  color: var(--teal);
  font-style: normal;
  font-weight: 900;
}

.action-row {
  background: transparent;
  border-left: 0;
  border-right: 0;
  border-top: 0;
  color: var(--ink);
  cursor: pointer;
  font-family: inherit;
  text-align: left;
  width: 100%;
}

.student-profile-header {
  align-items: center;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 12px 28px rgba(5, 47, 37, .06);
  display: grid;
  gap: 18px;
  grid-template-columns: auto minmax(0, 1fr) minmax(170px, 220px);
  padding: 18px;
}

.student-profile-header h3 {
  font-size: 1.8rem;
  margin: 0;
}

.student-profile-header p {
  margin-bottom: 0;
}

.student-module-grid {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.student-module-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  display: grid;
  gap: 10px;
  padding: 12px;
}

.student-module-card.approved {
  border-color: rgba(0, 118, 92, .28);
  background: #f3fbf7;
}

.student-module-card strong,
.student-module-card span,
.student-module-card small {
  display: block;
}

.student-module-card span,
.student-module-card small {
  color: var(--muted);
  font-weight: 700;
}

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

.student-profile-columns.two {
  grid-template-columns: 1fr 1fr;
}

.reader-mode.app-shell[data-student-view="lesson"] .v2-lesson-topbar,
.reader-mode.app-shell[data-student-view="lesson"] .v2-breadcrumb,
.reader-mode.app-shell[data-student-view="lesson"] .v2-lesson-title,
.reader-mode.app-shell[data-student-view="lesson"] .v2-lesson-player,
.reader-mode.app-shell[data-student-view="lesson"] .v2-lesson-tabs,
.reader-mode.app-shell[data-student-view="lesson"] .v2-lesson-description,
.reader-mode.app-shell[data-student-view="lesson"] .v2-lesson-nav {
  display: none;
}

.reader-mode.app-shell[data-student-view="lesson"] {
  grid-template-columns: 74px minmax(0, 1fr);
}

.reader-mode.app-shell[data-student-view="lesson"] .v2-lesson-shell {
  gap: 12px;
  grid-template-columns: minmax(0, 1fr) 380px;
  padding: 8px 12px;
}

.reader-mode.app-shell[data-student-view="lesson"] .v2-lesson-main {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-height: calc(100vh - 16px);
}

.reader-mode.app-shell[data-student-view="lesson"] .pdf-reader {
  height: calc(100vh - 16px);
  margin: 0;
  order: 0;
}

.reader-mode.app-shell[data-student-view="lesson"] .lesson-value-grid {
  order: 1;
}

.reader-mode.app-shell[data-student-view="lesson"] .lesson-ai-panel {
  order: 2;
}

.reader-mode.app-shell[data-student-view="lesson"] .report-writing-panel {
  order: 3;
}

.reader-mode.app-shell[data-student-view="lesson"] .lesson-assessment-panel {
  order: 4;
}

.reader-mode.app-shell[data-student-view="lesson"] .v2-side-card {
  box-shadow: none;
}

@media (max-width: 1400px) {
  .v2-module-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .v2-lesson-shell {
    grid-template-columns: minmax(0, 1fr) 300px;
  }
}

@media (max-width: 1100px) {
  .v2-feature-row {
    grid-template-columns: 1fr;
  }

  .v2-module-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .app-shell[data-student-view="lesson"] {
    grid-template-columns: 260px minmax(0, 1fr);
  }

  .v2-lesson-shell,
  .v2-lesson-topbar {
    grid-template-columns: 1fr;
  }

  .v2-lesson-aside {
    grid-row: auto;
  }

  .lesson-value-grid,
  .lesson-ai-panel,
  .report-writing-grid,
  .lesson-assessment-heading,
  .module-exam-intro,
  .module-exam-hero,
  .module-exam-rules,
  .module-exam-history article,
  .study-tool-grid,
  .minimum-plan-steps,
  .student-report-row {
    grid-template-columns: 1fr;
  }

  .lesson-assessment-heading {
    display: grid;
  }

  .lesson-assessment-summary {
    justify-content: flex-start;
  }

  .module-exam-intro em {
    justify-self: start;
    text-align: left;
  }

  .module-exam-card-heading {
    align-items: flex-start;
    display: grid;
  }

  .module-exam-status,
  .module-exam-history em {
    text-align: left;
  }

  .lesson-chat-form {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 900px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .app-shell[data-student-view="lesson"],
  .app-shell[data-student-view="exam"] {
    grid-template-columns: 1fr;
    height: 100dvh;
    max-height: 100dvh;
  }

  .app-shell[data-student-view="lesson"] .sidebar,
  .app-shell[data-student-view="exam"] .sidebar {
    display: none;
  }

  .app-shell[data-student-view="lesson"] .workspace,
  .app-shell[data-student-view="exam"] .workspace {
    min-width: 0;
    padding: 0;
  }

  .app-shell[data-student-view="lesson"] .module-detail,
  .app-shell[data-student-view="exam"] .module-detail {
    height: 100dvh;
    width: 100%;
  }

  .app-shell[data-student-view="lesson"] .v2-lesson-shell {
    grid-template-columns: 1fr;
    padding: 0;
  }

  .app-shell[data-student-view="lesson"] .v2-lesson-main {
    min-width: 0;
  }

  .app-shell.reader-mode,
  .reader-mode.app-shell[data-student-view="lesson"] {
    grid-template-columns: 1fr;
    height: 100dvh;
    max-height: 100dvh;
  }

  .reader-mode .sidebar {
    display: none;
  }

  .reader-mode.app-shell[data-student-view="lesson"] .workspace {
    min-width: 0;
    padding: 0;
  }

  .reader-mode.app-shell[data-student-view="lesson"] .v2-lesson-shell {
    display: block;
    padding: 0;
  }

  .reader-mode.app-shell[data-student-view="lesson"] .v2-lesson-main {
    min-height: 100dvh;
  }

  .reader-mode.app-shell[data-student-view="lesson"] .pdf-reader {
    border: 0;
    border-radius: 0;
    height: 100dvh;
    padding: 6px;
  }

  .pdf-reader-header {
    align-items: flex-start;
    gap: 8px;
    padding: 8px;
  }

  .pdf-reader-header div {
    min-width: 0;
  }

  .pdf-reader-header strong,
  .pdf-reader-header span {
    overflow-wrap: anywhere;
  }

  .pdf-page {
    border-radius: 6px;
    padding: 8px;
  }

  .pdf-pages {
    gap: 10px;
    padding-right: 0;
  }

  .sidebar {
    min-height: auto;
  }

  .topbar {
    align-items: flex-start;
    flex-direction: column;
  }

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

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

  .study-header {
    grid-template-columns: 1fr;
  }

  .study-header-actions {
    justify-content: flex-start;
  }

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

  .lesson-content-panel {
    max-height: none;
    position: static;
  }

  .lesson-filters {
    grid-template-columns: 1fr;
  }

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

  .student-dashboard > div {
    grid-column: 1 / -1;
  }

  .course-overview {
    grid-template-columns: 1fr;
  }

  .v2-home-header,
  .v2-doubt-callout {
    align-items: flex-start;
    grid-template-columns: 1fr;
  }

  .v2-home-header {
    display: grid;
  }

  .v2-module-grid {
    grid-template-columns: 1fr;
  }

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

  .dashboard-hero,
  .dashboard-panels,
  .dashboard-columns,
  .student-profile-header,
  .student-module-grid,
  .student-profile-columns.two {
    grid-template-columns: 1fr;
  }

  .login-shell {
    grid-template-columns: 1fr;
  }

  .presentation-panel,
  .login-panel {
    margin: 0 auto;
    width: 100%;
  }

  .presentation-panel h1 {
    font-size: 3.25rem;
    max-width: 14ch;
  }
}

@media (max-width: 560px) {
  .login-panel,
  .workspace,
  .sidebar {
    padding: 20px;
  }

  .login-panel h1 {
    font-size: 2.25rem;
  }

  .topbar h1 {
    font-size: 1.2rem;
  }

  .material-item,
  .history-item {
    align-items: flex-start;
    flex-direction: column;
  }

  .lesson-stage-header,
  .lesson-panel-title {
    display: grid;
  }

  .lesson-toolbar {
    display: grid;
  }

  .lesson-toolbar button {
    width: 100%;
  }

  .study-header-actions {
    display: grid;
  }

  .study-header-actions button {
    width: 100%;
  }

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

  .dashboard-grid {
    grid-template-columns: 1fr;
  }

  .dashboard-hero {
    padding: 20px;
  }

  .student-profile-header {
    padding: 14px;
  }

  .student-module-metrics {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .student-report-row {
    grid-template-columns: 1fr;
  }

  .dashboard-hero h3 {
    font-size: 1.65rem;
  }

  .student-dashboard {
    grid-template-columns: 1fr;
  }

  .presentation-stats {
    grid-template-columns: 1fr;
  }

  .presentation-panel h1 {
    font-size: 2.35rem;
  }
}