:root {
  --ink: #152033;
  --muted: #667085;
  --line: #e5e8ef;
  --canvas: #f7f9fc;
  --panel: #ffffff;
  --teal: #057a8a;
  --teal-dark: #045765;
  --blue: #2457c5;
  --green: #2f9461;
  --amber: #d9822b;
  --rose: #c94f6d;
  --shadow: 0 18px 55px rgba(33, 45, 73, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--canvas);
  color: var(--ink);
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0;
}

button,
input {
  font: inherit;
}

select,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2;
}

.is-hidden {
  display: none !important;
}

.auth-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(360px, 0.72fr);
}

.auth-visual {
  min-height: 100vh;
  padding: 48px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  background:
    linear-gradient(135deg, rgba(5, 122, 138, 0.96), rgba(21, 32, 51, 0.98)),
    radial-gradient(circle at 20% 25%, rgba(255, 255, 255, 0.2), transparent 34%);
  color: #fff;
  overflow: hidden;
}

.brand-mark,
.side-brand,
.mobile-brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-logo-mark {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  box-shadow: 0 12px 28px rgba(6, 44, 56, 0.2);
  overflow: hidden;
  flex: 0 0 auto;
  padding: 6px;
}

.brand-logo-mark img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.brand-mark span:not(.brand-logo-mark),
.side-brand span {
  display: block;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.82rem;
  margin-top: 2px;
}

.preview-panel {
  width: min(650px, 100%);
  padding: 34px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(18px);
  box-shadow: 0 26px 70px rgba(0, 0, 0, 0.23);
}

.preview-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 28px;
}

.eyebrow {
  color: var(--teal);
  display: inline-block;
  font-size: 0.73rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.auth-visual .eyebrow,
.preview-panel .eyebrow {
  color: #bdeff1;
}

.preview-panel h1 {
  max-width: 520px;
  margin: 10px 0 0;
  font-size: clamp(2rem, 4vw, 4rem);
  line-height: 1.02;
}

.status-pill {
  flex: 0 0 auto;
  border-radius: 999px;
  padding: 8px 12px;
  color: #d7fff5;
  background: rgba(87, 199, 137, 0.18);
  border: 1px solid rgba(151, 230, 188, 0.34);
  font-weight: 700;
  font-size: 0.78rem;
}

.preview-chart {
  height: 190px;
  margin: 46px 0 24px;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  align-items: end;
  gap: 14px;
}

.preview-chart span {
  height: var(--h);
  min-height: 32px;
  border-radius: 8px 8px 0 0;
  background: linear-gradient(180deg, #fff, #8fe4df);
}

.preview-row,
.preview-progress {
  max-width: 460px;
}

.preview-row {
  display: flex;
  justify-content: space-between;
  color: rgba(255, 255, 255, 0.86);
  font-weight: 700;
}

.preview-progress,
.progress-track {
  height: 8px;
  overflow: hidden;
  border-radius: 999px;
  background: #e8edf4;
}

.preview-progress {
  margin-top: 12px;
  background: rgba(255, 255, 255, 0.16);
}

.preview-progress span,
.progress-track span {
  display: block;
  height: 100%;
  border-radius: inherit;
  background: var(--teal);
}

.auth-card {
  min-height: 100vh;
  padding: 56px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: #fff;
}

.mobile-brand {
  display: none;
  margin-bottom: 42px;
}

.auth-card h2 {
  margin: 10px 0 12px;
  font-size: clamp(2rem, 5vw, 3rem);
  line-height: 1.04;
}

.auth-card p {
  max-width: 440px;
  color: var(--muted);
  line-height: 1.7;
}

.auth-tagline {
  margin: 0;
  max-width: 520px;
  color: var(--ink) !important;
  font-size: 1.1rem;
  font-weight: 800;
  line-height: 1.55;
}

.auth-note {
  margin: 10px 0 0;
}

.auth-highlights {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.auth-highlights span {
  padding: 7px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #f8fafc;
  color: #475467;
  font-size: 0.78rem;
  font-weight: 800;
}

.beta-credit,
.auth-beta-credit,
.sidebar-credit {
  margin: 22px 0 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.82rem;
  font-weight: 800;
}

.auth-beta-credit {
  color: #667085;
}

.sidebar-credit {
  padding: 12px 8px 0;
  color: rgba(255, 255, 255, 0.58);
  line-height: 1.45;
}

.login-form {
  display: grid;
  gap: 18px;
  margin-top: 30px;
}

.login-form label {
  display: grid;
  gap: 8px;
  color: #344054;
  font-weight: 700;
}

.login-form input,
.search-box input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  outline: none;
}

.role-selector {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 0;
  padding: 0;
  border: 0;
}

.role-selector legend {
  grid-column: 1 / -1;
  margin-bottom: 2px;
  color: #344054;
  font-weight: 800;
}

.role-selector label {
  min-height: 44px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: #344054;
}

.role-selector input {
  position: absolute;
  opacity: 0;
}

.role-selector label:has(input:checked) {
  border-color: var(--teal);
  background: #e7f7f7;
  color: var(--teal-dark);
}

.login-form input {
  height: 48px;
  padding: 0 14px;
}

.login-form input:focus,
.search-box:focus-within {
  border-color: rgba(5, 122, 138, 0.55);
  box-shadow: 0 0 0 4px rgba(5, 122, 138, 0.1);
}

.primary-button,
.ghost-button,
.text-button,
.chip,
.nav-item,
.icon-button {
  border: 0;
  transition: 160ms ease;
}

.primary-button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  border-radius: 8px;
  color: #fff;
  background: var(--teal);
  font-weight: 800;
}

.primary-button:hover {
  background: var(--teal-dark);
  transform: translateY(-1px);
}

.primary-button:disabled,
.chip:disabled {
  cursor: not-allowed;
  opacity: 0.55;
  transform: none;
}

.primary-button.compact {
  min-height: 42px;
  padding: 0 16px;
}

.app-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 276px minmax(0, 1fr);
}

.sidebar {
  position: sticky;
  top: 0;
  height: 100vh;
  padding: 24px 18px;
  display: flex;
  flex-direction: column;
  background: #101828;
  color: #fff;
}

.side-brand {
  padding: 4px 8px 28px;
}

.side-nav {
  display: grid;
  gap: 6px;
}

.nav-item,
.ghost-button {
  min-height: 44px;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 12px;
  border-radius: 8px;
  background: transparent;
  color: #cbd5e1;
  font-weight: 700;
  text-align: left;
}

.nav-item:hover,
.nav-item.is-active,
.ghost-button:hover {
  background: rgba(255, 255, 255, 0.09);
  color: #fff;
}

.ghost-button {
  margin-top: auto;
  width: 100%;
}

.workspace {
  min-width: 0;
  padding: 26px;
}

.topbar {
  display: flex;
  align-items: center;
  gap: 22px;
  justify-content: space-between;
  margin-bottom: 24px;
}

.topbar h1 {
  margin: 4px 0 0;
  font-size: clamp(1.55rem, 3vw, 2.45rem);
}

.top-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.search-box {
  width: min(340px, 30vw);
  min-height: 42px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.search-box svg {
  color: var(--muted);
  flex: 0 0 auto;
}

.search-box input {
  height: 38px;
  padding: 0;
  border: 0;
}

.icon-button {
  width: 42px;
  height: 42px;
  display: inline-grid;
  place-items: center;
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  border: 1px solid var(--line);
}

.icon-button:hover {
  border-color: #c7d2e2;
  transform: translateY(-1px);
}

.menu-toggle {
  display: none;
}

.avatar {
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: #dff7f5;
  background-size: cover;
  background-position: center;
  color: var(--teal-dark);
  border: 1px solid var(--line);
  font-weight: 800;
}

.avatar.has-photo {
  color: transparent;
}

.profile-menu-wrap {
  position: relative;
}

.profile-menu {
  position: absolute;
  top: calc(100% + 8px);
  right: 0;
  z-index: 20;
  width: 190px;
  display: grid;
  gap: 4px;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  box-shadow: var(--shadow);
}

.profile-menu button {
  min-height: 38px;
  padding: 0 10px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--ink);
  font-weight: 800;
  text-align: left;
}

.profile-menu button:hover {
  background: #f2f4f7;
}

.content-view {
  display: grid;
  gap: 22px;
}

.hero-band {
  min-height: 190px;
  padding: 30px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(5, 122, 138, 0.95), rgba(36, 87, 197, 0.9)),
    linear-gradient(90deg, #057a8a, #2457c5);
  color: #fff;
}

.hero-band .eyebrow {
  color: #c9faf7;
}

.hero-band h2 {
  max-width: 720px;
  margin: 8px 0;
  font-size: clamp(1.6rem, 4vw, 2.8rem);
  line-height: 1.08;
}

.hero-band p {
  max-width: 650px;
  margin: 0;
  color: rgba(255, 255, 255, 0.82);
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
}

.metric-card,
.panel,
.course-card,
.class-card,
.material-item,
.group-card,
.table-panel,
.certificate-card,
.path-column {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: 0 8px 26px rgba(33, 45, 73, 0.05);
}

.metric-card {
  min-height: 132px;
  padding: 18px;
  display: grid;
  align-content: space-between;
}

.metric-icon {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 8px;
  color: #fff;
}

.metric-card strong {
  display: block;
  margin-top: 16px;
  font-size: 1.8rem;
}

.metric-card span {
  color: var(--muted);
  font-size: 0.9rem;
}

.dashboard-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.6fr) minmax(300px, 0.7fr);
  gap: 22px;
}

.panel,
.table-panel {
  padding: 20px;
}

.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

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

.compact-select {
  display: flex;
  align-items: center;
  gap: 8px;
  color: #475467;
  font-size: 0.82rem;
  font-weight: 800;
}

.compact-select select {
  min-height: 38px;
  max-width: 230px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0 10px;
  background: #fff;
  color: var(--ink);
  outline: none;
}

.panel-head h3 {
  margin: 5px 0 0;
  font-size: 1.12rem;
}

.text-button {
  background: transparent;
  color: var(--teal);
  font-weight: 800;
}

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

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

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

.course-grid.expanded {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.course-card,
.class-card,
.group-card {
  min-height: 235px;
  padding: 18px;
  display: grid;
  gap: 16px;
}

.class-card {
  min-height: 220px;
  cursor: pointer;
}

.class-card.is-selected {
  border-color: rgba(5, 122, 138, 0.55);
  box-shadow: 0 0 0 4px rgba(5, 122, 138, 0.09);
}

.course-top {
  display: flex;
  justify-content: space-between;
  gap: 14px;
}

.course-cover {
  width: 54px;
  height: 54px;
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  border-radius: 8px;
  color: #fff;
  font-weight: 800;
}

.course-card h4,
.class-card h4 {
  margin: 0 0 8px;
  font-size: 1.03rem;
  line-height: 1.35;
}

.course-card p,
.class-card p,
.agenda-item p {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
  font-size: 0.9rem;
}

.section-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(300px, 0.75fr);
  gap: 22px;
}

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

.roster-item {
  display: grid;
  gap: 6px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.roster-item span {
  color: var(--muted);
  font-size: 0.88rem;
}

.roster-item button {
  justify-self: start;
}

.roster-section-title {
  margin-top: 6px;
  color: #475467;
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

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

.material-item {
  min-height: 116px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(220px, 0.34fr);
  align-items: center;
  gap: 18px;
  padding: 16px;
}

.material-main {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}

.material-main h4,
.group-card h3 {
  margin: 4px 0 6px;
}

.material-main p,
.group-card p,
.logic-box p {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
  font-size: 0.9rem;
}

.material-icon {
  width: 48px;
  height: 48px;
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  border-radius: 8px;
  background: #e7f7f7;
  color: var(--teal-dark);
}

.material-status {
  display: grid;
  gap: 10px;
}

.logic-box {
  padding: 16px;
  border-radius: 8px;
  background: #f8fafc;
  border: 1px solid var(--line);
}

.empty-state {
  display: grid;
  gap: 10px;
  padding: 18px;
  border: 1px dashed #cbd5e1;
  border-radius: 8px;
  background: #f8fafc;
  color: var(--muted);
}

.empty-state strong {
  color: var(--ink);
}

.empty-state p {
  margin: 0;
  line-height: 1.55;
}

.course-meta,
.agenda-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.meta-badge,
.agenda-date,
.certificate-status {
  border-radius: 999px;
  padding: 6px 10px;
  background: #f1f5f9;
  color: #475467;
  font-size: 0.76rem;
  font-weight: 800;
}

.course-footer {
  display: grid;
  gap: 10px;
  align-self: end;
}

.course-progress {
  display: flex;
  justify-content: space-between;
  color: #475467;
  font-size: 0.82rem;
  font-weight: 800;
}

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

.agenda-item {
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

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

.agenda-item strong {
  display: block;
  margin: 8px 0 6px;
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.chip {
  min-height: 38px;
  padding: 0 14px;
  border-radius: 999px;
  background: #fff;
  color: #344054;
  border: 1px solid var(--line);
  font-weight: 800;
}

.chip.is-active,
.chip:hover {
  color: #fff;
  background: var(--ink);
  border-color: var(--ink);
}

.meta-badge.approved {
  color: var(--green);
  background: #eaf7ef;
}

.meta-badge.pending {
  color: #b86b00;
  background: #fff4e5;
}

.path-board {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.path-column {
  padding: 18px;
}

.path-column h3 {
  margin: 0 0 16px;
}

.path-step {
  position: relative;
  padding: 14px 0 14px 28px;
  border-bottom: 1px solid var(--line);
}

.path-step:last-child {
  border-bottom: 0;
}

.path-step::before {
  content: "";
  position: absolute;
  top: 19px;
  left: 0;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--teal);
}

.path-step.is-locked::before {
  background: #cbd5e1;
}

.path-step strong {
  display: block;
  margin-bottom: 5px;
}

.path-step span {
  color: var(--muted);
  font-size: 0.86rem;
}

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

.live-quiz-panel {
  display: grid;
  gap: 18px;
}

.live-hero {
  min-height: 160px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  padding: 24px;
  border-radius: 8px;
  color: #fff;
  background:
    linear-gradient(135deg, rgba(16, 24, 40, 0.96), rgba(5, 122, 138, 0.9)),
    linear-gradient(90deg, #101828, #057a8a);
}

.live-hero .eyebrow {
  color: #bdeff1;
}

.live-hero h3 {
  max-width: 720px;
  margin: 6px 0 8px;
  font-size: clamp(1.5rem, 3vw, 2.2rem);
}

.live-hero p {
  max-width: 680px;
  margin: 0;
  color: rgba(255, 255, 255, 0.78);
}

.live-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 18px;
}

.live-status {
  background: #eaf7ef;
  border-color: rgba(47, 148, 97, 0.3);
  color: var(--green);
}

.live-access {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  gap: 18px;
  align-items: center;
}

.qr-mock {
  width: 150px;
  height: 150px;
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.qr-mock span {
  border-radius: 3px;
  background: #e8edf4;
}

.qr-mock span:nth-child(3n),
.qr-mock span:nth-child(4n + 1),
.qr-mock span:nth-child(11),
.qr-mock span:nth-child(14),
.qr-mock span:nth-child(29),
.qr-mock span:nth-child(36),
.qr-mock span:nth-child(43) {
  background: #101828;
}

.join-code {
  display: grid;
  gap: 6px;
}

.join-code span,
.live-stat-grid span {
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 700;
}

.join-code strong {
  font-size: clamp(2rem, 5vw, 3.4rem);
  letter-spacing: 0.08em;
}

.join-code p {
  margin: 0;
  color: var(--muted);
}

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

.live-stat-grid div {
  min-height: 86px;
  display: grid;
  align-content: center;
  gap: 4px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8fafc;
}

.live-stat-grid strong {
  font-size: 1.45rem;
}

.leaderboard {
  display: grid;
  gap: 8px;
  margin-top: 16px;
}

.leader-row {
  min-height: 44px;
  display: grid;
  grid-template-columns: minmax(120px, 1fr) 100px 70px;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.leader-row span {
  color: var(--muted);
  font-size: 0.86rem;
}

.leader-row b {
  text-align: right;
}

.assessment-row {
  min-height: 64px;
  display: grid;
  grid-template-columns: minmax(220px, 1fr) 120px 130px 100px 96px;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.group-board {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.group-card {
  min-height: 260px;
}

.member-stack {
  display: flex;
  align-items: center;
}

.member-stack span {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  margin-right: -8px;
  border: 2px solid #fff;
  border-radius: 50%;
  background: #e7f7f7;
  color: var(--teal-dark);
  font-size: 0.76rem;
  font-weight: 800;
}

.syllabus-summary,
.readiness-summary,
.schedule-list {
  display: grid;
  gap: 12px;
}

.syllabus-card,
.session-card {
  display: grid;
  gap: 14px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.session-card.is-exam {
  border-color: rgba(217, 130, 43, 0.35);
  background: #fffaf3;
}

.session-card h3,
.syllabus-card h3 {
  margin: 4px 0 6px;
}

.session-card p,
.syllabus-card p,
.warning-copy p {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.session-meta,
.session-actions,
.mini-readiness {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.mini-readiness span,
.warning-line {
  color: #b42318;
  font-size: 0.84rem;
  font-weight: 800;
}

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

.readiness-chip {
  min-height: 82px;
  display: grid;
  align-content: center;
  gap: 4px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.readiness-chip strong {
  font-size: 1.55rem;
}

.readiness-chip span {
  color: var(--muted);
  font-size: 0.84rem;
  font-weight: 800;
}

.readiness-chip.ready {
  border-color: rgba(47, 148, 97, 0.25);
  background: #f1fbf5;
}

.readiness-chip.late {
  border-color: rgba(217, 130, 43, 0.28);
  background: #fff8ed;
}

.readiness-chip.risk {
  border-color: rgba(201, 79, 109, 0.28);
  background: #fff5f7;
}

.assessment-row strong {
  display: block;
}

.assessment-row span {
  color: var(--muted);
  font-size: 0.86rem;
}

.certificate-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.certificate-card {
  min-height: 220px;
  padding: 20px;
  display: grid;
  align-content: space-between;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.95), rgba(247, 249, 252, 0.96)),
    linear-gradient(90deg, rgba(5, 122, 138, 0.12), rgba(217, 130, 43, 0.1));
}

.certificate-seal {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  background: var(--amber);
}

.certificate-card h3 {
  margin: 18px 0 8px;
}

.certificate-card p {
  margin: 0;
  color: var(--muted);
}

.toast {
  position: fixed;
  right: 22px;
  bottom: 22px;
  min-width: min(360px, calc(100vw - 44px));
  padding: 14px 16px;
  border-radius: 8px;
  background: #101828;
  color: #fff;
  box-shadow: var(--shadow);
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
  transition: 180ms ease;
}

.toast.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.form-modal {
  position: fixed;
  inset: 0;
  z-index: 55;
  display: grid;
  place-items: center;
  padding: 22px;
  background: rgba(16, 24, 40, 0.62);
}

.form-shell {
  width: min(820px, 100%);
  max-height: calc(100vh - 44px);
  display: grid;
  gap: 18px;
  overflow: auto;
  padding: 20px;
  border-radius: 8px;
  background: #fff;
  box-shadow: var(--shadow);
}

.assessment-form {
  width: min(1040px, 100%);
}

.class-form {
  width: min(720px, 100%);
}

.live-quiz-form {
  width: min(620px, 100%);
}

.syllabus-form,
.meeting-form {
  width: min(1040px, 100%);
}

.warning-form {
  width: min(640px, 100%);
}

.assessment-detail-form {
  width: min(980px, 100%);
}

.password-form {
  width: min(620px, 100%);
}

.workspace-form {
  width: min(960px, 100%);
}

.form-header,
.form-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.form-header h2 {
  margin: 4px 0 0;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.form-grid label,
.question-card label {
  display: grid;
  gap: 7px;
  color: #344054;
  font-weight: 800;
}

.form-grid .full-span {
  grid-column: 1 / -1;
}

.form-grid input,
.form-grid select,
.pattern-grid input,
.pattern-grid select,
.question-card input,
.question-card select,
.question-card textarea {
  width: 100%;
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0 12px;
  background: #fff;
  color: var(--ink);
  outline: none;
}

.form-grid select[multiple] {
  min-height: 96px;
  padding: 8px 12px;
}

.pattern-grid {
  display: grid;
  grid-template-columns: 160px 130px 130px minmax(180px, 1fr);
  gap: 12px;
}

.pattern-grid label {
  display: grid;
  gap: 7px;
  color: #344054;
  font-weight: 800;
}

.warning-copy {
  display: grid;
  gap: 12px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff8ed;
}

.warning-copy ul {
  margin: 0;
  padding-left: 20px;
  color: #7a2e0e;
  line-height: 1.6;
  font-weight: 700;
}

.checkbox-list {
  max-height: 240px;
  display: grid;
  gap: 8px;
  overflow: auto;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.checkbox-row {
  display: grid !important;
  grid-template-columns: 18px minmax(0, 1fr);
  align-items: center;
  gap: 10px !important;
  padding: 10px;
  border-radius: 8px;
  background: #f8fafc;
}

.checkbox-row input {
  width: 18px;
  min-height: 18px;
  accent-color: var(--teal);
}

.checkbox-row strong,
.checkbox-row small {
  display: block;
}

.checkbox-row small {
  color: var(--muted);
  font-weight: 700;
}

.workspace-panel {
  display: grid;
  gap: 12px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8fafc;
}

.workspace-instruction-edit {
  display: grid;
  gap: 8px;
  color: #344054;
  font-weight: 800;
}

.workspace-instruction-edit textarea {
  min-height: 130px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  resize: vertical;
}

.instruction-copy {
  color: var(--ink);
  line-height: 1.7;
}

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

.submission-item {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.submission-item span,
.submission-item p {
  margin: 4px 0 0;
  color: var(--muted);
}

.upload-box {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) max-content;
  gap: 10px;
  align-items: end;
}

.upload-box label {
  display: grid;
  gap: 7px;
  color: #344054;
  font-weight: 800;
}

.upload-box input {
  width: 100%;
  min-height: 42px;
  padding: 9px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.question-card textarea {
  min-height: 86px;
  padding: 10px 12px;
  resize: vertical;
}

.detail-meta-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
}

.detail-meta-grid article {
  min-height: 78px;
  display: grid;
  align-content: center;
  gap: 4px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8fafc;
}

.detail-meta-grid span,
.answer-card span {
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 800;
}

.detail-meta-grid strong {
  color: var(--ink);
}

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

.answer-card {
  display: grid;
  gap: 12px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.answer-card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.answer-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.55;
}

.answer-card label {
  display: grid;
  gap: 7px;
  color: #344054;
  font-weight: 800;
}

.answer-card input,
.answer-card select,
.answer-card textarea {
  width: 100%;
  min-height: 42px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0 12px;
  background: #fff;
  color: var(--ink);
  outline: none;
}

.answer-card textarea {
  min-height: 96px;
  padding: 10px 12px;
  resize: vertical;
}

.form-grid input[type="file"] {
  padding: 9px 12px;
}

.import-box {
  display: grid;
  gap: 14px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8fafc;
}

.import-box h3,
.import-box p {
  margin: 4px 0 0;
}

.import-box p {
  color: var(--muted);
}

.import-actions {
  display: grid;
  grid-template-columns: max-content minmax(0, 1fr) max-content;
  gap: 10px;
  align-items: center;
}

.import-actions input {
  width: 100%;
  min-height: 38px;
  padding: 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.question-builder {
  display: grid;
  gap: 12px;
}

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

.question-card {
  display: grid;
  gap: 12px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8fafc;
}

.question-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.question-card-header strong {
  color: var(--ink);
}

.question-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) 180px 120px;
  gap: 12px;
}

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

.reader-modal {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: grid;
  place-items: center;
  padding: 22px;
  background: rgba(16, 24, 40, 0.62);
}

.reader-shell {
  width: min(1120px, 100%);
  max-height: min(860px, calc(100vh - 44px));
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  overflow: hidden;
  border-radius: 8px;
  background: #fff;
  box-shadow: var(--shadow);
}

.reader-header,
.reader-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 18px 20px;
  border-bottom: 1px solid var(--line);
}

.reader-header h2 {
  margin: 4px 0 0;
  font-size: 1.25rem;
}

.reader-body {
  min-height: 0;
  display: grid;
  grid-template-columns: 170px minmax(0, 1fr);
  background: #f8fafc;
}

.reader-pages {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  align-content: start;
  gap: 8px;
  overflow: auto;
  padding: 18px;
  border-right: 1px solid var(--line);
}

.page-dot {
  height: 34px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: #475467;
  font-weight: 800;
}

.page-dot.is-read {
  border-color: rgba(47, 148, 97, 0.28);
  background: #eaf7ef;
  color: var(--green);
}

.page-dot.is-active {
  border-color: var(--teal);
  background: var(--teal);
  color: #fff;
}

.page-dot.is-locked {
  cursor: not-allowed;
  opacity: 0.42;
  background: #f8fafc;
  color: #98a2b3;
}

.pdf-page {
  min-width: 0;
  display: grid;
  grid-template-rows: auto minmax(0, 1fr);
  gap: 14px;
  padding: 20px;
}

.pdf-page-meta {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  color: #475467;
  font-size: 0.9rem;
  font-weight: 800;
}

.pdf-paper {
  min-height: 440px;
  display: grid;
  place-items: start center;
  gap: 16px;
  padding: 16px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(#ffffff, #ffffff) padding-box,
    linear-gradient(135deg, rgba(5, 122, 138, 0.16), rgba(36, 87, 197, 0.12)) border-box;
  box-shadow: 0 18px 48px rgba(33, 45, 73, 0.09);
}

.pdf-canvas-shell {
  width: 100%;
  height: min(64vh, 620px);
  display: grid;
  place-items: center;
  overflow: hidden;
  border-radius: 8px;
  background: #eef2f7;
}

#readerPdfCanvas {
  max-width: 100%;
  max-height: 100%;
  background: #fff;
  box-shadow: 0 16px 40px rgba(33, 45, 73, 0.16);
}

.pdf-fallback {
  display: grid;
  gap: 16px;
  padding: 32px;
}

.pdf-paper h3 {
  max-width: 720px;
  margin: 0;
  font-size: clamp(1.7rem, 4vw, 3.1rem);
  line-height: 1.08;
}

.pdf-paper p {
  max-width: 720px;
  margin: 0;
  color: var(--muted);
  line-height: 1.8;
}

.reader-footer {
  border-top: 1px solid var(--line);
  border-bottom: 0;
}

.reader-progress {
  width: min(420px, 100%);
  display: grid;
  gap: 8px;
}

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

@media (max-width: 1180px) {
  .metric-grid,
  .class-grid,
  .course-grid.expanded,
  .certificate-grid,
  .group-board,
  .readiness-summary {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .dashboard-grid,
  .path-board,
  .live-grid,
  .section-grid {
    grid-template-columns: 1fr;
  }
}

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

  .auth-visual {
    display: none;
  }

  .auth-card {
    padding: 28px;
  }

  .mobile-brand {
    display: flex;
  }

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

  .sidebar {
    position: fixed;
    z-index: 20;
    width: 276px;
    transform: translateX(-100%);
    transition: transform 180ms ease;
  }

  .sidebar.is-open {
    transform: translateX(0);
  }

  .workspace {
    padding: 18px;
  }

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

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

  .top-actions {
    margin-left: auto;
  }

  .search-box {
    display: none;
  }

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

  .metric-grid,
  .class-grid,
  .course-grid,
  .course-grid.expanded,
  .certificate-grid,
  .group-board {
    grid-template-columns: 1fr;
  }

  .assessment-row,
  .material-item {
    grid-template-columns: 1fr;
  }

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

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

  .live-access,
  .live-stat-grid,
  .leader-row {
    grid-template-columns: 1fr;
  }

  .panel-head,
  .panel-actions,
  .compact-select {
    align-items: stretch;
    flex-direction: column;
  }

  .compact-select select {
    max-width: none;
    width: 100%;
  }

  .leader-row b {
    text-align: left;
  }

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

  .reader-pages {
    grid-template-columns: repeat(8, minmax(34px, 1fr));
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .reader-footer {
    align-items: stretch;
    flex-direction: column;
  }

  .form-grid,
  .question-grid,
  .question-answer-grid,
  .detail-meta-grid,
  .pattern-grid,
  .import-actions,
  .upload-box {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 520px) {
  .workspace {
    padding: 14px;
  }

  .topbar {
    gap: 12px;
  }

  .top-actions {
    gap: 8px;
  }

  .avatar,
  .icon-button {
    width: 38px;
    height: 38px;
  }

  .hero-band,
  .panel,
  .table-panel {
    padding: 16px;
  }

  .reader-modal {
    padding: 10px;
  }

  .reader-header,
  .reader-footer,
  .pdf-page {
    padding: 14px;
  }

  .pdf-paper {
    min-height: 360px;
    padding: 10px;
  }

  .pdf-canvas-shell {
    height: min(58vh, 460px);
  }
}