/* =============================================
   Ignite Your Child — Course Delivery Styles
   Colors match brand: --teal, --gold, --cream
   ============================================= */

/* ---- Course Nav ---- */
.course-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--teal-dark);
  border-bottom: 1px solid rgba(255,255,255,0.08);
  height: 60px;
  display: flex;
  align-items: center;
}

.course-nav-inner {
  max-width: 1280px;
  width: 100%;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.course-nav-brand {
  font-family: var(--font-display);
  font-size: 1.15rem;
  color: var(--white);
  text-decoration: none;
  letter-spacing: 0.01em;
}

.course-nav-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.course-nav-email {
  font-size: 0.88rem;
  color: rgba(255,255,255,0.65);
}

.btn-nav-logout {
  background: transparent;
  border: 1px solid rgba(255,255,255,0.25);
  color: rgba(255,255,255,0.75);
  padding: 6px 14px;
  border-radius: 6px;
  font-size: 0.82rem;
  font-family: var(--font-body);
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s;
}

.btn-nav-logout:hover {
  border-color: rgba(255,255,255,0.5);
  color: var(--white);
}

/* ---- Course Layout (sidebar + main) ---- */
.course-body {
  background: #f4f6f7;
  min-height: 100vh;
}

.course-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  min-height: calc(100vh - 60px);
  max-width: 1280px;
  margin: 0 auto;
}

/* ---- Sidebar ---- */
.course-sidebar {
  background: var(--white);
  border-right: 1px solid #e5e9ec;
  overflow-y: auto;
  position: sticky;
  top: 60px;
  height: calc(100vh - 60px);
  padding: 20px 0;
}

.sidebar-back {
  padding: 0 20px 12px;
  border-bottom: 1px solid #eef0f2;
  margin-bottom: 8px;
}

.sidebar-back-link {
  font-size: 0.85rem;
  color: var(--teal);
  text-decoration: none;
  font-weight: 500;
}

.sidebar-back-link:hover {
  text-decoration: underline;
}

.sidebar-progress-block {
  padding: 16px 20px;
  border-bottom: 1px solid #eef0f2;
  margin-bottom: 8px;
}

.sidebar-progress-label {
  font-size: 0.8rem;
  color: var(--text-light);
  margin-bottom: 8px;
  font-weight: 500;
}

.sidebar-progress-bar {
  height: 6px;
  background: #e8ecef;
  border-radius: 3px;
  overflow: hidden;
}

.sidebar-progress-fill {
  height: 100%;
  background: var(--teal);
  border-radius: 3px;
  transition: width 0.3s ease;
}

.sidebar-nav {
  padding: 0 0 40px;
}

.sidebar-module {
  margin-bottom: 4px;
}

.sidebar-module-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background: var(--teal-light);
  border-left: 3px solid var(--teal);
}

.sidebar-module-bonus .sidebar-module-header,
.sidebar-module-header.sidebar-module-bonus {
  background: #fef8ee;
  border-left-color: var(--gold);
}

.sidebar-module-num {
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--teal);
  min-width: 18px;
  text-align: center;
  background: rgba(26,107,106,0.12);
  border-radius: 4px;
  padding: 2px 5px;
}

.sidebar-module-bonus .sidebar-module-num {
  color: var(--gold);
  background: rgba(200,146,42,0.12);
}

.sidebar-module-title {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--teal-dark);
  line-height: 1.3;
}

.sidebar-lessons {
  list-style: none;
  padding: 0;
}

.sidebar-lesson-item {
  border-bottom: 1px solid #f0f2f4;
}

.sidebar-lesson-link {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 9px 20px;
  text-decoration: none;
  transition: background 0.12s;
  font-size: 0.82rem;
  color: var(--text);
}

.sidebar-lesson-link:hover {
  background: #f7f9fa;
}

.sidebar-lesson-item.current .sidebar-lesson-link {
  background: var(--teal-light);
  color: var(--teal-dark);
  font-weight: 600;
}

.sidebar-lesson-item.completed .sidebar-lesson-link {
  color: var(--text-light);
}

.sidebar-lesson-check {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--teal);
  min-width: 14px;
  text-align: center;
}

.sidebar-lesson-num {
  font-size: 0.75rem;
  color: var(--text-light);
  min-width: 26px;
}

.sidebar-lesson-name {
  flex: 1;
  line-height: 1.35;
}

/* ---- Course Main ---- */
.course-main {
  padding: 36px 48px 80px;
  min-width: 0;
}

/* ---- Dashboard ---- */
.welcome-banner {
  display: none;
  background: #e8f7f0;
  border: 1px solid #b6e4cf;
  color: #1a6b4a;
  padding: 16px 20px;
  border-radius: 10px;
  margin-bottom: 28px;
  font-size: 0.95rem;
}

.dashboard-header {
  margin-bottom: 36px;
}

.dashboard-title {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--teal-dark);
  margin-bottom: 8px;
}

.dashboard-progress-text {
  color: var(--text-light);
  font-size: 1rem;
}

.modules-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.module-card {
  background: var(--white);
  border-radius: 14px;
  border: 1px solid #e4e8ec;
  overflow: hidden;
}

.module-card-bonus {
  border-color: rgba(200,146,42,0.3);
  background: linear-gradient(180deg, #fffdf7 0%, var(--white) 100%);
}

.module-card-header {
  padding: 24px 28px 20px;
  border-bottom: 1px solid #eef1f4;
}

.module-card-number {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--teal);
  margin-bottom: 6px;
}

.module-card-bonus .module-card-number {
  color: var(--gold);
}

.module-card-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--teal-dark);
  margin-bottom: 8px;
}

.module-card-desc {
  font-size: 0.9rem;
  color: var(--text-light);
  line-height: 1.6;
  margin-bottom: 16px;
}

.module-card-progress {
  display: flex;
  align-items: center;
  gap: 12px;
}

.module-progress-bar {
  flex: 1;
  height: 5px;
  background: #e8ecef;
  border-radius: 3px;
  overflow: hidden;
}

.module-progress-fill {
  height: 100%;
  background: var(--teal);
  border-radius: 3px;
  transition: width 0.3s ease;
}

.module-progress-label {
  font-size: 0.78rem;
  color: var(--text-light);
  white-space: nowrap;
}

.module-lessons-list {
  list-style: none;
  padding: 0;
}

.module-lesson-row {
  border-bottom: 1px solid #f2f4f6;
}

.module-lesson-row:last-child {
  border-bottom: none;
}

.module-lesson-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 28px;
  text-decoration: none;
  transition: background 0.12s;
  color: var(--text);
}

.module-lesson-link:hover {
  background: #f7f9fa;
}

.module-lesson-row.completed .module-lesson-link {
  color: var(--text-light);
}

.lesson-check-circle {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  border: 2px solid #d1d8de;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--teal);
  flex-shrink: 0;
  transition: background 0.15s, border-color 0.15s;
}

.module-lesson-row.completed .lesson-check-circle {
  background: var(--teal);
  border-color: var(--teal);
  color: var(--white);
}

.lesson-row-num {
  font-size: 0.8rem;
  color: var(--text-light);
  min-width: 30px;
}

.lesson-row-title {
  flex: 1;
  font-size: 0.95rem;
  font-weight: 500;
}

.lesson-row-arrow {
  color: var(--text-light);
  font-size: 0.85rem;
  opacity: 0;
  transition: opacity 0.12s;
}

.module-lesson-link:hover .lesson-row-arrow {
  opacity: 1;
}

/* ---- Lesson Page ---- */
.lesson-main {
  padding: 28px 48px 80px;
}

.lesson-breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.83rem;
  color: var(--text-light);
  margin-bottom: 28px;
}

.lesson-breadcrumb a {
  color: var(--teal);
  text-decoration: none;
}

.lesson-breadcrumb a:hover {
  text-decoration: underline;
}

.breadcrumb-sep {
  color: #b0bac4;
}

.lesson-content-wrap {
  max-width: 760px;
}

.lesson-header {
  margin-bottom: 32px;
}

.lesson-meta {
  display: flex;
  gap: 10px;
  margin-bottom: 12px;
}

.lesson-module-tag,
.lesson-number-tag {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 3px 10px;
  border-radius: 100px;
}

.lesson-module-tag {
  background: var(--teal-light);
  color: var(--teal-dark);
}

.lesson-number-tag {
  background: var(--gold-light);
  color: #8a6218;
}

.lesson-title {
  font-family: var(--font-display);
  font-size: 2.2rem;
  color: var(--teal-dark);
  line-height: 1.2;
  margin-bottom: 16px;
}

.lesson-description {
  font-size: 1.05rem;
  color: var(--text-light);
  line-height: 1.75;
}

/* ---- Video block ---- */
.lesson-video-block {
  margin-bottom: 36px;
}

.video-placeholder {
  background: #1a2937;
  border-radius: 12px;
  aspect-ratio: 16/9;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  color: rgba(255,255,255,0.6);
  border: 2px dashed rgba(255,255,255,0.1);
}

.video-placeholder-icon {
  font-size: 3rem;
  opacity: 0.4;
}

.video-placeholder-text {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  text-align: center;
}

.video-placeholder-text strong {
  color: rgba(255,255,255,0.8);
  font-size: 1rem;
}

.video-placeholder-text span {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.45);
}

/* ---- Lesson body ---- */
.lesson-body {
  background: var(--white);
  border-radius: 12px;
  padding: 32px;
  margin-bottom: 24px;
  border: 1px solid #e4e8ec;
}

.lesson-body-title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  color: var(--teal-dark);
  margin-bottom: 14px;
}

.lesson-body-text {
  color: var(--text-light);
  font-size: 0.98rem;
  line-height: 1.75;
  margin-bottom: 24px;
}

.lesson-key-points h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--teal-dark);
  margin-bottom: 12px;
}

.lesson-key-points ul {
  padding-left: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.lesson-key-points ul li {
  padding-left: 24px;
  position: relative;
  font-size: 0.92rem;
  color: var(--text);
  line-height: 1.6;
}

.lesson-key-points ul li::before {
  content: '→';
  position: absolute;
  left: 0;
  color: var(--teal);
  font-weight: 700;
}

/* ---- Worksheet block ---- */
.lesson-worksheet-block {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--gold-light);
  border-radius: 10px;
  padding: 18px 20px;
  margin-top: 24px;
  border: 1px solid rgba(200,146,42,0.2);
}

.worksheet-icon {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.worksheet-text {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.worksheet-text strong {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--teal-dark);
}

.worksheet-text span {
  font-size: 0.82rem;
  color: var(--text-light);
}

.btn-download {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--gold);
  color: var(--white);
  border: none;
  padding: 10px 18px;
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: 0.85rem;
  font-weight: 600;
  cursor: not-allowed;
  opacity: 0.7;
  white-space: nowrap;
  flex-shrink: 0;
}

.coming-soon-tag {
  font-size: 0.7rem;
  background: rgba(255,255,255,0.25);
  padding: 2px 6px;
  border-radius: 4px;
}

/* ---- Complete button ---- */
.lesson-complete-block {
  margin-bottom: 32px;
}

.btn-mark-complete {
  background: var(--white);
  border: 2px solid var(--teal);
  color: var(--teal);
  padding: 12px 28px;
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
}

.btn-mark-complete:hover {
  background: var(--teal-light);
}

.btn-mark-complete.completed {
  background: var(--teal);
  color: var(--white);
}

.btn-mark-complete.completed:hover {
  background: var(--teal-dark);
}

/* ---- Lesson navigation ---- */
.lesson-nav {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  padding-top: 32px;
  border-top: 1px solid #e4e8ec;
}

.lesson-nav-btn {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 16px 20px;
  background: var(--white);
  border: 1px solid #e4e8ec;
  border-radius: 10px;
  text-decoration: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.lesson-nav-btn:hover {
  border-color: var(--teal);
  box-shadow: 0 2px 12px rgba(26,107,106,0.08);
}

.lesson-nav-next {
  text-align: right;
}

.lesson-nav-label {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--teal);
}

.lesson-nav-title {
  font-size: 0.88rem;
  color: var(--text);
  font-weight: 500;
  line-height: 1.4;
}

/* ---- Auth pages ---- */
.auth-page {
  background: var(--cream);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px 20px;
}

.auth-container {
  width: 100%;
  max-width: 440px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.auth-brand {
  text-align: center;
}

.auth-logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--teal-dark);
  text-decoration: none;
}

.auth-brand-tagline {
  font-size: 0.83rem;
  color: var(--text-light);
  margin-top: 4px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.auth-card {
  width: 100%;
  background: var(--white);
  border-radius: 16px;
  padding: 40px 36px;
  border: 1px solid #e4e8ec;
  box-shadow: 0 4px 24px rgba(0,0,0,0.06);
}

.auth-title {
  font-family: var(--font-display);
  font-size: 1.75rem;
  color: var(--teal-dark);
  margin-bottom: 6px;
}

.auth-subtitle {
  font-size: 0.95rem;
  color: var(--text-light);
  margin-bottom: 28px;
}

.auth-error {
  background: #fff1f0;
  border: 1px solid #ffd4d0;
  color: #b91c1c;
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 0.88rem;
  margin-bottom: 20px;
  line-height: 1.5;
}

.auth-error a {
  color: #b91c1c;
  font-weight: 600;
}

.auth-notice {
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
  color: #166534;
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 0.88rem;
  margin-bottom: 20px;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text);
}

.label-optional {
  font-weight: 400;
  color: var(--text-light);
}

.form-group input {
  padding: 11px 14px;
  border: 1.5px solid #d4dbe2;
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--text);
  background: var(--white);
  transition: border-color 0.15s;
  outline: none;
}

.form-group input:focus {
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(26,107,106,0.08);
}

.btn-auth-primary {
  background: var(--teal);
  color: var(--white);
  border: none;
  padding: 13px;
  border-radius: 8px;
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.15s, transform 0.1s;
  margin-top: 4px;
}

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

.auth-switch {
  margin-top: 20px;
  text-align: center;
  font-size: 0.88rem;
  color: var(--text-light);
}

.auth-switch a {
  color: var(--teal);
  font-weight: 600;
  text-decoration: none;
}

.auth-switch a:hover {
  text-decoration: underline;
}

.auth-footer-link {
  font-size: 0.85rem;
}

.auth-footer-link a {
  color: var(--text-light);
  text-decoration: none;
}

.auth-footer-link a:hover {
  color: var(--teal);
}

/* ---- Locked page ---- */
.locked-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: calc(100vh - 60px);
  padding: 60px 24px;
  background: var(--cream);
}

.locked-inner {
  max-width: 560px;
  width: 100%;
  text-align: center;
}

.locked-icon {
  font-size: 3rem;
  margin-bottom: 20px;
}

.locked-title {
  font-family: var(--font-display);
  font-size: 2.2rem;
  color: var(--teal-dark);
  margin-bottom: 16px;
}

.locked-subtitle {
  color: var(--text-light);
  font-size: 1.05rem;
  line-height: 1.75;
  margin-bottom: 32px;
}

.locked-includes {
  background: var(--white);
  border-radius: 12px;
  padding: 24px 28px;
  text-align: left;
  border: 1px solid #e4e8ec;
  margin-bottom: 32px;
}

.locked-includes-title {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--teal-dark);
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.locked-list {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.locked-list li {
  font-size: 0.92rem;
  color: var(--text);
  padding-left: 0;
}

.locked-price-block {
  margin-bottom: 24px;
}

.locked-price {
  font-family: var(--font-display);
  font-size: 3rem;
  color: var(--teal-dark);
}

.locked-price-label {
  font-size: 0.88rem;
  color: var(--text-light);
  margin-top: 4px;
}

.btn-unlock {
  display: inline-block;
  background: var(--gold);
  color: var(--white);
  padding: 16px 40px;
  border-radius: 10px;
  font-size: 1.05rem;
  font-weight: 700;
  text-decoration: none;
  transition: background 0.15s, transform 0.1s;
  margin-bottom: 16px;
}

.btn-unlock:hover {
  background: #b07d22;
  transform: translateY(-1px);
}

.locked-guarantee {
  font-size: 0.83rem;
  color: var(--text-light);
  margin-bottom: 20px;
}

.locked-already {
  font-size: 0.83rem;
  color: var(--text-light);
}

.locked-already a {
  color: var(--teal);
  text-decoration: none;
}

/* ---- Responsive ---- */
@media (max-width: 900px) {
  .course-layout {
    grid-template-columns: 1fr;
  }

  .course-sidebar {
    position: static;
    height: auto;
    max-height: 320px;
    border-right: none;
    border-bottom: 1px solid #e5e9ec;
  }

  .course-main,
  .lesson-main {
    padding: 24px 20px 60px;
  }

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

  .lesson-title {
    font-size: 1.75rem;
  }
}

@media (max-width: 600px) {
  .auth-card {
    padding: 28px 20px;
  }

  .lesson-worksheet-block {
    flex-direction: column;
    align-items: flex-start;
  }

  .btn-download {
    width: 100%;
    justify-content: center;
  }

  .course-nav-email {
    display: none;
  }
}