/* ============================================================
   Mastera ???? ??? ???? ??????
   ============================================================ */

.detail-page {
  padding: 28px 0 80px;
  display: block;
  visibility: visible;
  min-height: 50vh;
}

/* ?????? Back Button ?????? */
.detail-back-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
  text-decoration: none;
  margin-bottom: 20px;
  padding: 6px 0;
  transition: color .2s;
}
.detail-back-btn:hover { color: var(--text); }
.detail-back-btn svg { flex-shrink: 0; }

/* ?????? Detail Header ?????? */
.detail-header {
  margin-bottom: 28px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
}
.detail-badges {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}
.detail-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 600;
}
.detail-badge.urgent { background: #FEE2E2; color: #DC2626; }
.detail-badge.new { background: #DBEAFE; color: #2563EB; }
.detail-badge.premium { background: var(--accent-light); color: var(--accent-dark); }
.detail-badge.category { background: var(--bg-alt); color: var(--text-sub); }

.detail-header h1 {
  font-size: 25px;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--primary);
  margin-bottom: 10px;
  line-height: 1.4;
}
.detail-studio-info {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 15px;
  color: var(--text-sub);
  flex-wrap: wrap;
}
.detail-studio-info .studio-name {
  font-weight: 600;
  color: var(--text);
}
.detail-studio-info .divider {
  width: 1px;
  height: 14px;
  background: var(--border);
}
.detail-meta-row {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 12px;
  font-size: 13px;
  color: var(--text-muted);
  flex-wrap: wrap;
}
.detail-meta-item {
  display: flex;
  align-items: center;
  gap: 4px;
}

/* ?????? Detail Grid ?????? */
.detail-grid {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 28px;
  align-items: start;
  min-height: 200px;
}

/* ?????? Detail Content ?????? */
.detail-content {
  display: flex;
  flex-direction: column;
  gap: 28px;
  min-width: 0;
}

.detail-section {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 24px;
}
.detail-section-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ?????? Info Table ?????? */
.info-table {
  display: flex;
  flex-direction: column;
  gap: 0;
}
.info-table-row {
  display: grid;
  grid-template-columns: 120px 1fr;
  border-bottom: 1px solid var(--bg-alt);
  padding: 12px 0;
}
.info-table-row:last-child { border-bottom: none; }
.info-table-label {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-sub);
}
.info-table-value {
  font-size: 15px;
  color: var(--text);
  line-height: 1.6;
  word-break: keep-all;
  overflow-wrap: break-word;
}
.info-table-value .highlight {
  color: var(--accent-dark);
  font-weight: 600;
}

/* ?????? Description ?????? */
.detail-desc {
  font-size: 15px;
  color: var(--text-sub);
  line-height: 1.85;
  white-space: pre-line;
  word-break: keep-all;
  overflow-wrap: break-word;
}

/* ?????? Tags in Detail ?????? */
.detail-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.detail-tag {
  padding: 5px 14px;
  border-radius: var(--radius-full);
  font-size: 13px;
  font-weight: 500;
  background: var(--bg);
  color: var(--text-sub);
}
.detail-tag.type {
  background: var(--accent-light);
  color: var(--accent-dark);
  font-weight: 600;
}

/* ?????? Sidebar (Sticky) ?????? */
.detail-sidebar {
  position: sticky;
  top: 80px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.sidebar-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 24px;
}

.sidebar-card-title {
  font-size: 15px;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: 16px;
}

/* ?????? Apply / Contact CTA ?????? */
.detail-cta {
  text-align: center;
}
.detail-cta-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  padding: 14px;
  border: none;
  border-radius: var(--radius-md);
  font-size: 16px;
  font-weight: 700;
  font-family: inherit;
  cursor: pointer;
  transition: var(--transition);
  margin-bottom: 8px;
  -webkit-tap-highlight-color: transparent;
}
.detail-cta-btn.primary {
  background: var(--primary);
  color: var(--accent);
}
.detail-cta-btn.primary:hover { background: var(--sub-navy, #2E2E40); }
.detail-cta-btn.outline {
  background: var(--white);
  color: var(--text-sub);
  border: 1.5px solid var(--border);
}
.detail-cta-btn.outline:hover { border-color: var(--text-muted); }
.detail-cta-note {
  font-size: 12px;
  color: var(--text-muted);
  margin-top: 8px;
}

/* ?????? Studio Card ?????? */
.studio-summary {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}
.studio-avatar {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background: var(--accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 21px;
  font-weight: 800;
  color: var(--accent-dark);
  flex-shrink: 0;
}
.studio-summary-info h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 2px;
}
.studio-summary-info p {
  font-size: 13px;
  color: var(--text-muted);
}
.verified-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 12px;
  font-weight: 600;
  color: var(--success);
  background: #D1FAE5;
  padding: 3px 10px;
  border-radius: var(--radius-full);
}
.studio-detail-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  font-size: 14px;
  color: var(--text-sub);
}
.studio-detail-item {
  display: flex;
  align-items: center;
  gap: 8px;
}
.studio-detail-item svg { flex-shrink: 0; color: var(--text-muted); }

/* ?????? Instructor Profile (????) ?????? */
.profile-header {
  display: flex;
  gap: 20px;
  align-items: center;
  margin-bottom: 16px;
}
.profile-avatar {
  width: 80px;
  height: 80px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent-light), var(--bg-alt));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 33px;
  flex-shrink: 0;
}
.profile-basic h2 {
  font-size: 21px;
  font-weight: 800;
  color: var(--primary);
  margin-bottom: 4px;
}
.profile-basic p {
  font-size: 14px;
  color: var(--text-sub);
}

.cert-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.cert-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: var(--bg);
  border-radius: var(--radius-sm);
}
.cert-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 17px;
  flex-shrink: 0;
}
.cert-info { font-size: 14px; }
.cert-info strong { color: var(--text); font-weight: 600; display: block; }
.cert-info span { color: var(--text-muted); font-size: 13px; }

/* ?????? Responsive ?????? */
@media (max-width: 1024px) {
  .detail-grid { grid-template-columns: 1fr 260px; gap: 20px; }
  .detail-sidebar { top: 72px; }
  .sidebar-card { padding: 20px; }
}

@media (max-width: 780px) {
  .detail-page { padding: 16px 0 40px; }
  .detail-page .wrap { padding: 0; }
  .detail-grid {
    display: flex;
    flex-direction: column;
    gap: 0;
  }

  .breadcrumb { margin-bottom: 14px; font-size: 13px; padding: 0 20px; }
  .detail-header { margin-bottom: 0; padding: 0 20px 18px; border-bottom: 6px solid var(--bg-alt); }
  .detail-header h1 { font-size: 21px; margin-bottom: 8px; }
  .detail-badges { margin-bottom: 10px; gap: 6px; }
  .detail-badge { font-size: 13px; padding: 4px 12px; }
  .detail-studio-info { font-size: 15px; gap: 8px; }
  .detail-meta-row { font-size: 13px; gap: 12px; margin-top: 10px; }

  .detail-content { gap: 0; }
  .detail-section {
    padding: 20px 20px;
    border-radius: 0;
    border-left: none;
    border-right: none;
    border-top: none;
    border-bottom: 6px solid var(--bg-alt);
  }
  .detail-section-title { font-size: 17px; margin-bottom: 12px; padding-bottom: 10px; gap: 6px; }
  .detail-section-title svg { width: 16px; height: 16px; }
  .info-table-row { grid-template-columns: 95px 1fr; padding: 10px 0; }
  .info-table-label { font-size: 14px; }
  .info-table-value { font-size: 15px; }
  .detail-desc { font-size: 15px; line-height: 1.7; }
  .detail-tags { gap: 6px; }
  .detail-tag { font-size: 13px; padding: 4px 12px; }

  .profile-header { gap: 14px; }
  .profile-avatar { width: 64px; height: 64px; font-size: 27px; }
  .profile-basic h2 { font-size: 19px; }
  .profile-basic p { font-size: 13px; }

  .cert-item { padding: 8px 12px; gap: 8px; }
  .cert-icon { width: 32px; height: 32px; font-size: 15px; }
  .cert-info { font-size: 13px; }
  .cert-info span { font-size: 12px; }

  .studio-summary { gap: 10px; margin-bottom: 12px; }
  .studio-avatar { width: 40px; height: 40px; font-size: 17px; }
  .studio-summary-info h4 { font-size: 15px; }
  .studio-summary-info p { font-size: 13px; }
  .studio-detail-list { font-size: 14px; gap: 6px; }
  .verified-badge { font-size: 11px; }

  .detail-content,
  .detail-sidebar {
    width: 100%;
    min-width: 0;
  }

  /* ??????: ???????????? ??, 100% ???*/
  .detail-sidebar {
    position: static;
    gap: 0;
  }
  .sidebar-card {
    padding: 20px 20px;
    border-radius: 0;
    border-left: none;
    border-right: none;
    border-top: none;
    border-bottom: 6px solid var(--bg-alt);
  }
  .sidebar-card:last-child { border-bottom: none; }
}

@media (max-width: 480px) {
  .detail-page { padding: 10px 0 24px; }
  .breadcrumb { font-size: 12px; margin-bottom: 10px; gap: 4px; padding: 0 16px; }
  .detail-header { padding: 0 16px 14px; }
  .detail-header h1 { font-size: 19px; line-height: 1.4; }
  .detail-badges { gap: 4px; }
  .detail-badge { font-size: 12px; padding: 3px 10px; }
  .detail-studio-info { font-size: 14px; gap: 6px; }
  .detail-studio-info .divider { display: none; }
  .detail-meta-row { font-size: 12px; gap: 8px; }

  .detail-content { gap: 0; }
  .detail-section { padding: 16px 16px; }
  .detail-section-title { font-size: 16px; gap: 5px; padding-bottom: 8px; margin-bottom: 10px; }
  .detail-section-title svg { width: 15px; height: 15px; }
  .info-table-row { grid-template-columns: 80px 1fr; padding: 9px 0; }
  .info-table-label { font-size: 13px; }
  .info-table-value { font-size: 14px; }
  .detail-desc { font-size: 14px; line-height: 1.7; }
  .detail-tags { gap: 5px; }
  .detail-tag { font-size: 12px; padding: 3px 10px; }

  .profile-header { gap: 12px; padding: 0; }
  .profile-avatar { width: 52px; height: 52px; font-size: 23px; }
  .profile-basic h2 { font-size: 17px; }
  .profile-basic p { font-size: 12px; }

  .cert-list { gap: 6px; }
  .cert-item { padding: 6px 10px; gap: 6px; }
  .cert-icon { width: 28px; height: 28px; font-size: 13px; }
  .cert-info { font-size: 12px; }
  .cert-info span { font-size: 11px; }

  .sidebar-card { padding: 16px 16px; }
  .detail-cta-btn { font-size: 15px; min-height: 46px; }
}