.card {
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(230, 232, 232, 0.9);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-card);
}

.eyebrow {
  margin: 0 0 var(--space-3);
  color: var(--color-primary-strong);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero-title {
  margin: 0;
  font-size: clamp(2.3rem, 5vw, 4.4rem);
  line-height: 0.96;
}

.muted {
  color: var(--color-text-soft);
}

.nav-link,
.button,
.button-secondary,
.button-ghost {
  border-radius: 999px;
  border: 0;
  padding: 0.9rem 1.2rem;
  font-weight: 700;
  transition: 0.18s ease;
}

.nav-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: transparent;
  color: var(--color-text-soft);
}

.nav-link.is-active,
.nav-link:hover {
  background: rgba(12, 65, 196, 0.08);
  color: var(--color-primary);
}

.button {
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: #fff;
}

.button:hover {
  transform: translateY(-1px);
  box-shadow: 0 14px 28px rgba(87, 41, 255, 0.24);
}

.button-secondary {
  background: rgba(12, 65, 196, 0.08);
  color: var(--color-primary);
}

.button-ghost {
  background: transparent;
  color: var(--color-text-soft);
  border: 1px solid var(--color-border);
}

.pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.42rem 0.8rem;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 700;
}

.pill--success {
  color: var(--color-success);
  background: rgba(21, 115, 71, 0.1);
}

.pill--warning {
  color: var(--color-warning);
  background: rgba(183, 106, 0, 0.12);
}

.pill--neutral {
  color: var(--color-primary);
  background: rgba(87, 41, 255, 0.1);
}

.split {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-4);
}

.metric strong {
  display: block;
  font-size: 2rem;
  margin-bottom: 0.35rem;
}

.form-grid {
  display: grid;
  gap: var(--space-4);
}

.field {
  display: grid;
  gap: 0.55rem;
}

.field label {
  font-weight: 700;
}

.field input,
.field select,
.field textarea {
  border: 1px solid var(--color-border);
  border-radius: 16px;
  padding: 0.9rem 1rem;
  background: #fff;
}

.step-list,
.review-list {
  display: grid;
  gap: var(--space-4);
}

.step-rail__list {
  display: grid;
  gap: 0.75rem;
}

.step-rail__item {
  width: 100%;
  text-align: left;
  padding: 0.95rem 1rem;
  border-radius: 18px;
  border: 1px solid rgba(34, 10, 99, 0.08);
  background: #fff;
}

.step-rail__item.is-active {
  background: rgba(12, 65, 196, 0.08);
  border-color: rgba(12, 65, 196, 0.2);
}

.step-rail__item strong {
  display: block;
  color: var(--color-text);
}

.step-rail__index {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary-strong);
}

.experience-stage {
  padding: var(--space-6);
}

.experience-stage__topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-5);
}

.experience-stage__topbar h3 {
  margin: 0.35rem 0 0;
  font-size: 1.4rem;
}

.experience-stage > .step-card {
  border: 0;
  padding: 0;
  background: transparent;
}

.experience-stage__actions {
  display: flex;
  justify-content: space-between;
  gap: var(--space-4);
  margin-top: var(--space-6);
}

.experience-header__actions {
  margin-top: var(--space-4);
}

.objectives-panel {
  margin-bottom: var(--space-6);
}

.welcome-panel {
  margin-bottom: var(--space-6);
}

.welcome-section-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-4);
  margin-top: var(--space-5);
}

.welcome-section {
  padding: 1rem;
  border-radius: 20px;
  background: rgba(12, 65, 196, 0.05);
  border: 1px solid rgba(12, 65, 196, 0.1);
}

.welcome-section h4 {
  margin: 0 0 0.6rem;
  color: var(--color-primary);
  font-size: 1.05rem;
}

.welcome-section p {
  margin: 0;
  color: var(--color-text-soft);
}

.welcome-panel__closing {
  margin: var(--space-5) 0 0;
  padding: 1rem 1.15rem;
  border-radius: 18px;
  background: rgba(206, 0, 113, 0.08);
  color: var(--color-accent);
  font-weight: 700;
}

.objectives-list {
  display: grid;
  gap: var(--space-4);
  margin-top: var(--space-5);
}

.objective-item {
  display: grid;
  grid-template-columns: 26px 1fr;
  gap: 1rem;
  align-items: start;
  padding: 1rem 0;
  border-top: 1px solid rgba(34, 10, 99, 0.08);
}

.objective-item:first-child {
  border-top: 0;
  padding-top: 0;
}

.objective-item__check {
  width: 22px;
  height: 22px;
  border-radius: 6px;
  border: 2px solid #d7ddea;
  background: #fff;
  margin-top: 0.2rem;
}

.objective-item strong {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--color-text);
  font-size: 1.05rem;
}

.objective-item p {
  margin: 0;
  color: var(--color-text-soft);
}

.step-card {
  border: 1px solid rgba(34, 10, 99, 0.08);
  border-radius: 24px;
  padding: var(--space-5);
  background: linear-gradient(180deg, #fff 0%, #fcfcff 100%);
}

.step-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: var(--space-3);
}

.step-card__title {
  margin: 0 0 0.5rem;
  font-size: 1.35rem;
}

.practice-lead {
  padding: 1rem 1.1rem;
  border-radius: 18px;
  background: rgba(12, 65, 196, 0.06);
  color: var(--color-primary);
  font-weight: 700;
}

.practice-list {
  display: grid;
  gap: 0.7rem;
}

.practice-coach {
  margin-top: var(--space-5);
  padding-top: var(--space-4);
  border-top: 1px solid rgba(34, 10, 99, 0.08);
}

.practice-coach h4 {
  margin: 0 0 var(--space-3);
  color: var(--color-secondary);
}

.practice-support-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.practice-support-card {
  padding: 1rem;
  border-radius: 18px;
  background: rgba(87, 41, 255, 0.06);
  border: 1px solid rgba(87, 41, 255, 0.1);
}

.practice-support-card strong {
  display: block;
  margin-bottom: 0.4rem;
  color: var(--color-primary);
}

.practice-support-card p {
  margin: 0;
  color: var(--color-text-soft);
}

.intro-section {
  margin-top: var(--space-5);
  padding-top: var(--space-4);
  border-top: 1px solid rgba(34, 10, 99, 0.08);
}

.intro-section h4 {
  margin: 0 0 var(--space-3);
  color: var(--color-secondary);
  font-size: 1.05rem;
}

.intro-list {
  margin: 0;
  padding-left: 1.15rem;
  display: grid;
  gap: 0.65rem;
}

.intro-highlight-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.intro-highlight {
  padding: 1rem;
  border-radius: 18px;
  background: rgba(87, 41, 255, 0.06);
  border: 1px solid rgba(87, 41, 255, 0.1);
}

.intro-highlight strong {
  display: block;
  margin-bottom: 0.45rem;
  color: var(--color-primary);
}

.intro-highlight p {
  margin: 0;
  color: var(--color-text-soft);
}

.intro-closing-note {
  margin: var(--space-5) 0 0;
  padding: 1rem 1.15rem;
  border-radius: 18px;
  background: rgba(206, 0, 113, 0.08);
  color: var(--color-accent);
  font-weight: 700;
}

.content-group {
  margin-top: var(--space-5);
  padding-top: var(--space-4);
  border-top: 1px solid rgba(34, 10, 99, 0.08);
}

.content-group h4 {
  margin: 0 0 var(--space-3);
  color: var(--color-secondary);
}

.content-callout-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-3);
  margin-top: var(--space-5);
}

.content-callout {
  padding: 1rem;
  border-radius: 18px;
  background: rgba(12, 65, 196, 0.06);
  border: 1px solid rgba(12, 65, 196, 0.1);
}

.content-callout strong {
  display: block;
  margin-bottom: 0.45rem;
  color: var(--color-primary);
}

.content-callout p {
  margin: 0;
  color: var(--color-text-soft);
}

.content-tip {
  margin: var(--space-5) 0 0;
  padding: 1rem 1.15rem;
  border-radius: 18px;
  background: rgba(206, 0, 113, 0.08);
  color: var(--color-accent);
  font-weight: 700;
}

.keyboard-diagram {
  margin-top: var(--space-5);
  padding: 1.1rem;
  border-radius: 24px;
  background: linear-gradient(180deg, #f7f8ff 0%, #ffffff 100%);
  border: 1px solid rgba(34, 10, 99, 0.08);
}

.keyboard-diagram__top {
  position: relative;
  height: 88px;
  margin: 0 auto;
  max-width: 520px;
}

.keyboard-diagram__bottom {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 0;
  max-width: 520px;
  margin: 0 auto;
}

.white-key {
  position: relative;
  min-height: 158px;
  border: 1px solid #dfe3f0;
  border-radius: 0 0 12px 12px;
  background: #fff;
  display: flex;
  align-items: end;
  justify-content: center;
  padding-bottom: 0.85rem;
}

.white-key span {
  font-weight: 700;
  color: var(--color-text-soft);
}

.white-key.is-highlighted {
  background: linear-gradient(180deg, #ffffff 0%, #eef2ff 100%);
  box-shadow: inset 0 -10px 0 rgba(12, 65, 196, 0.12);
}

.white-key.is-highlighted span {
  color: var(--color-primary);
}

.black-key {
  position: absolute;
  top: 0;
  width: calc(14.28% - 10px);
  height: 86px;
  border-radius: 0 0 10px 10px;
  background: linear-gradient(180deg, #333 0%, #111 100%);
  box-shadow: 0 10px 18px rgba(17, 17, 17, 0.2);
}

.black-key--1 {
  left: calc(14.28% - 10px);
}

.black-key--2 {
  left: calc(28.56% - 10px);
}

.black-key--4 {
  left: calc(57.12% - 10px);
}

.black-key--5 {
  left: calc(71.4% - 10px);
}

.black-key--6 {
  left: calc(85.68% - 10px);
}

.keyboard-diagram__note {
  margin: 1rem 0 0;
  color: var(--color-text-soft);
  text-align: center;
}

.quiz-options,
.submission-actions {
  display: grid;
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.option-card {
  border: 1px solid var(--color-border);
  border-radius: 18px;
  padding: 0.95rem 1rem;
  background: #fff;
}

.progress-bar {
  width: 100%;
  height: 10px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(12, 65, 196, 0.08);
}

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

.toast-stack {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  display: grid;
  gap: 0.7rem;
  z-index: 50;
}

.toast {
  padding: 1rem 1.1rem;
  min-width: 280px;
  border-radius: 18px;
  background: var(--color-text);
  color: #fff;
  box-shadow: 0 18px 32px rgba(35, 35, 35, 0.18);
}

.assistant-thread {
  display: grid;
  gap: 0.8rem;
}

.assistant-message {
  display: flex;
  align-items: flex-end;
  gap: 0.55rem;
  max-width: 96%;
}

.assistant-message p {
  margin: 0;
  padding: 0.78rem 0.9rem;
  border-radius: 4px 17px 17px;
  font-size: 0.91rem;
  line-height: 1.45;
}

.assistant-message--assistant {
  color: var(--color-primary);
}

.assistant-message--assistant p {
  background: rgba(12, 65, 196, 0.09);
}

.assistant-message--user {
  color: var(--color-text);
  justify-self: end;
  flex-direction: row-reverse;
}

.assistant-message--user p {
  border-radius: 17px 4px 17px 17px;
  background: #f0ecff;
}

.assistant-message__avatar,
.assistant-message__student {
  width: 28px;
  height: 28px;
  flex: 0 0 28px;
  border-radius: 50%;
}

.assistant-message__avatar {
  object-fit: cover;
  background: #fff;
}

.assistant-message__student {
  display: grid;
  place-items: center;
  background: var(--color-primary);
  color: #fff;
  font-size: 0.66rem;
  font-weight: 800;
}

.assistant-chip-list {
  display: flex;
  gap: 0.55rem;
  margin-top: 1rem;
  overflow-x: auto;
  padding-bottom: 0.2rem;
  scrollbar-width: thin;
}

.assistant-chip {
  flex: 0 0 auto;
  padding: 0.62rem 0.78rem;
  border: 1px solid rgba(87, 41, 255, 0.2);
  border-radius: 999px;
  background: #faf9ff;
  color: var(--color-primary);
  font-size: 0.78rem;
  font-weight: 750;
}

.assistant-question {
  padding: 0.85rem 1rem 1rem;
  border-top: 1px solid rgba(33, 18, 75, 0.08);
  background: #fff;
}

.assistant-question > div {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.25rem 0.3rem 0.25rem 0.9rem;
  border: 1px solid rgba(33, 18, 75, 0.13);
  border-radius: 999px;
  background: #faf9ff;
}

.assistant-question input {
  min-width: 0;
  flex: 1;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--color-text);
  font: inherit;
}

.assistant-question__send {
  width: 34px;
  height: 34px;
  border: 0;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: #fff;
  font-size: 1.15rem;
  font-weight: 800;
  line-height: 1;
}

.assistant-fab {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  z-index: 60;
  display: grid;
  justify-items: end;
  gap: 0.8rem;
}

.assistant-fab__panel {
  width: min(390px, calc(100vw - 2rem));
  max-height: min(590px, calc(100vh - 6.5rem));
  display: grid;
  grid-template-rows: auto minmax(0, 1fr) auto;
  overflow: hidden;
  border: 1px solid rgba(87, 41, 255, 0.14);
  border-radius: 24px;
  background: #fff;
  box-shadow: 0 24px 50px rgba(34, 10, 99, 0.24);
}

.assistant-fab__header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: #fff;
}

.assistant-fab__avatar {
  width: 44px;
  height: 44px;
  flex: 0 0 44px;
  border: 2px solid rgba(255, 255, 255, 0.78);
  border-radius: 50%;
  object-fit: cover;
  background: #fff;
}

.assistant-fab__identity {
  min-width: 0;
  flex: 1;
}

.assistant-fab__identity p,
.assistant-fab__identity h3,
.assistant-fab__identity span {
  margin: 0;
}

.assistant-fab__identity p {
  font-size: 0.73rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.82;
}

.assistant-fab__identity h3 {
  margin-top: 0.08rem;
  font-size: 1rem;
}

.assistant-fab__identity span {
  display: block;
  margin-top: 0.1rem;
  font-size: 0.74rem;
  opacity: 0.82;
}

.assistant-fab__content {
  min-height: 0;
  overflow-y: auto;
  padding: 1rem;
  background: linear-gradient(180deg, #fff 0%, #fbfaff 100%);
}

.assistant-fab__close {
  width: 30px;
  height: 30px;
  flex: 0 0 30px;
  border: 1px solid rgba(255, 255, 255, 0.42);
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  font-size: 1.3rem;
  line-height: 1;
}

.assistant-fab__toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  border: 0;
  border-radius: 999px;
  padding: 0.48rem 0.95rem 0.48rem 0.5rem;
  background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
  color: #fff;
  font-weight: 700;
  box-shadow: 0 16px 30px rgba(87, 41, 255, 0.28);
}

.assistant-fab__toggle img {
  width: 34px;
  height: 34px;
  border: 2px solid rgba(255, 255, 255, 0.7);
  border-radius: 50%;
  object-fit: cover;
  background: #fff;
}

@media (max-width: 640px) {
  .assistant-fab {
    right: 0.9rem;
    bottom: calc(82px + env(safe-area-inset-bottom, 0px));
  }

  .assistant-fab__panel {
    width: min(390px, calc(100vw - 1.25rem));
    max-height: calc(100vh - 10rem - env(safe-area-inset-bottom, 0px));
  }
}

.team-modal {
  position: fixed;
  inset: 0;
  z-index: 70;
  display: grid;
  place-items: center;
  padding: 1rem;
}

.team-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(20, 20, 32, 0.42);
  backdrop-filter: blur(4px);
}

.team-modal__dialog {
  position: relative;
  z-index: 1;
  width: min(1100px, calc(100vw - 2rem));
  max-height: calc(100vh - 2rem);
  display: grid;
  gap: 1rem;
  padding: 1rem;
}

.team-modal__header {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 1rem;
}

.team-modal__actions {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.team-modal__frame-wrap {
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid rgba(34, 10, 99, 0.08);
  background: #fff;
  min-height: 70vh;
}

.team-modal__frame {
  width: 100%;
  height: 70vh;
  border: 0;
  background: #fff;
}

@media (max-width: 720px) {
  .split {
    align-items: flex-start;
    flex-direction: column;
  }

  .experience-stage__topbar,
  .experience-stage__actions {
    flex-direction: column;
    align-items: stretch;
  }

  .team-modal__header {
    flex-direction: column;
  }
}