.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  min-height: 2.4rem;
  padding: 0.5rem 0.88rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 800;
  font-size: 0.86rem;
  line-height: 1.2;
  overflow: hidden;
  transition: transform var(--transition), background-color var(--transition), border-color var(--transition), color var(--transition), box-shadow var(--transition);
}

.btn:hover {
  transform: translateY(-1px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--blue), var(--blue-strong));
  color: #fff;
  box-shadow: var(--shadow-sm);
}

.btn-secondary {
  border-color: var(--border);
  background: var(--surface);
  color: var(--text);
}

.btn-outline {
  border-color: rgba(78, 140, 255, 0.34);
  color: var(--blue);
  background: transparent;
}

.btn-sm {
  min-height: 2.06rem;
  padding: 0.42rem 0.72rem;
  font-size: 0.8rem;
}

.btn-shine::after {
  content: "";
  position: absolute;
  inset: 0 auto 0 -120%;
  width: 55%;
  background: linear-gradient(100deg, transparent, rgba(255, 255, 255, 0.34), transparent);
  transform: skewX(-18deg);
}

.btn-shine:hover::after {
  animation: button-shine 900ms ease;
}

.theme-switch {
  display: inline-flex;
  align-items: center;
}

.theme-switch input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.theme-switch-track {
  position: relative;
  display: inline-flex;
  align-items: center;
  width: 3rem;
  height: 1.7rem;
  padding: 0.16rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.08);
}

.theme-switch-thumb {
  width: 1.35rem;
  height: 1.35rem;
  border-radius: 50%;
  background: #fff;
  transform: translateX(0);
  transition: transform var(--transition);
}

.theme-switch input:checked + .theme-switch-track .theme-switch-thumb {
  transform: translateX(1.2rem);
}

.content-card,
.metric-card,
.hero-surface,
.widget-panel,
.cta-panel,
.feature-story,
.leaderboard,
.modal-card {
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--card);
  box-shadow: var(--shadow-md);
}

.content-card,
.metric-card,
.feature-story {
  position: relative;
  padding: 1rem;
  transform: perspective(1100px) rotateX(var(--card-rotate-x, 0deg)) rotateY(var(--card-rotate-y, 0deg));
  transform-style: preserve-3d;
}

.content-card-nested {
  padding: 0.9rem 0.95rem;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.025);
  box-shadow: none;
}

.content-card > * + *,
.feature-story > * + * {
  margin-top: 0.65rem;
}

.content-card:hover {
  border-color: rgba(78, 140, 255, 0.28);
  background: var(--card-hover);
}

.hero-surface {
  padding: clamp(0.95rem, 1.9vw, 1.35rem);
  background:
    radial-gradient(circle at calc(80% + var(--hero-shift-x, 0px)) calc(10% + var(--hero-shift-y, 0px)), rgba(78, 140, 255, 0.26), transparent 28%),
    radial-gradient(circle at calc(20% - var(--hero-shift-x, 0px)) calc(100% - var(--hero-shift-y, 0px)), rgba(240, 198, 60, 0.14), transparent 30%),
    var(--grad-hero);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 0.85rem;
  align-items: end;
}

.hero-description {
  max-width: 62ch;
  margin-top: 0.65rem;
  font-size: 0.95rem;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.85rem;
}

.hero-meta {
  display: grid;
  gap: 0.75rem;
}

.hero-meta-card {
  padding: 0.72rem 0.8rem;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
}

.hero-meta-card span,
.card-meta,
.card-stats,
.inline-select span,
.footer-note {
  color: var(--text-soft);
  font-size: 0.92rem;
}

.hero-meta-card strong {
  display: block;
  margin-top: 0.25rem;
  margin-bottom: 0.2rem;
  font-size: 0.98rem;
}

.widget-panel,
.cta-panel {
  padding: 0.9rem;
}

.widget-panel-head,
.card-actions,
.card-meta,
.card-stats,
.inline-select,
.leaderboard article,
.detail-list li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.inline-select select,
.form-control {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  padding: 0.65rem 0.78rem;
  transition: border-color var(--transition), background-color var(--transition), box-shadow var(--transition);
}

.form-group.has-value .form-control,
.form-control:focus {
  border-color: rgba(78, 140, 255, 0.34);
  box-shadow: 0 0 0 4px rgba(78, 140, 255, 0.08);
}

.form-control.is-invalid {
  border-color: rgba(255, 107, 107, 0.75);
  box-shadow: 0 0 0 4px rgba(255, 107, 107, 0.14);
}

.form-error {
  margin-top: 0.35rem;
  color: var(--danger);
  font-size: 0.82rem;
  line-height: 1.4;
}

.content-card-body,
.form-panel {
  display: grid;
  gap: 0.7rem;
}

.card-cover {
  position: relative;
  min-height: 8.8rem;
  border-radius: calc(var(--radius-lg) - 6px);
  margin-bottom: 0.65rem;
  overflow: hidden;
}

.card-cover-media {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.content-card blockquote {
  margin: 0;
  padding-left: 1rem;
  border-left: 2px solid rgba(78, 140, 255, 0.35);
  color: var(--text-soft);
}

.card-cover-video {
  background:
    radial-gradient(circle at top right, rgba(240, 198, 60, 0.32), transparent 38%),
    linear-gradient(135deg, rgba(78, 140, 255, 0.26), rgba(17, 31, 49, 0.95));
}

.card-cover-gallery {
  background:
    radial-gradient(circle at top left, rgba(46, 207, 123, 0.26), transparent 34%),
    linear-gradient(135deg, rgba(78, 140, 255, 0.14), rgba(13, 25, 44, 0.96));
}

.cover-badge,
.cover-duration,
.chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 0.34rem 0.62rem;
  font-size: 0.72rem;
  font-weight: 800;
}

.cover-badge,
.chip {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--border);
  color: var(--text);
}

.cover-badge {
  position: absolute;
  left: 0.75rem;
  top: 0.75rem;
}

.cover-duration {
  position: absolute;
  right: 0.75rem;
  bottom: 0.75rem;
  background: rgba(7, 17, 29, 0.85);
  color: #fff;
}

.chip-ghost {
  color: var(--blue);
}

.chip-status {
  color: var(--yellow);
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.detail-list {
  list-style: none;
  padding: 0;
  display: grid;
  gap: 0.55rem;
}

.detail-list strong {
  color: var(--text);
}

.bullet-list {
  display: grid;
  gap: 0.5rem;
}

.stats-grid,
.dashboard-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.8rem;
}

.metric-card strong {
  display: block;
  font-size: clamp(1.5rem, 3vw, 2.3rem);
  margin-bottom: 0.35rem;
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-bottom: 0.85rem;
}

.filter-chip {
  padding: 0.42rem 0.64rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text-muted);
  font-weight: 750;
  font-size: 0.8rem;
}

.filter-chip.is-active,
.filter-chip:hover {
  background: rgba(78, 140, 255, 0.14);
  border-color: rgba(78, 140, 255, 0.25);
  color: var(--text);
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.form-group {
  display: grid;
  gap: 0.4rem;
}

.form-label {
  color: var(--text);
  font-weight: 700;
}

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

.checkbox-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text-muted);
}

.checkbox-row-stacked {
  align-items: start;
  padding-top: 1.2rem;
}

.avatar-badge {
  display: grid;
  place-items: center;
  width: 2.8rem;
  height: 2.8rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--blue), var(--green));
  color: #fff;
  font-weight: 800;
  font-family: var(--font-display);
}

.avatar-badge-large {
  width: 4rem;
  height: 4rem;
  margin-bottom: 0.8rem;
  font-size: 1.2rem;
}

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

.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--card);
}

.faq-trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.95rem 1rem;
  border: 0;
  background: transparent;
  color: var(--text);
  font-weight: 800;
  text-align: left;
}

.faq-icon {
  color: var(--blue);
  font-size: 1.05rem;
  line-height: 1;
}

.faq-panel {
  padding: 0 1rem 0.95rem;
}

.cta-panel,
.newsletter-form {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  justify-content: space-between;
}

.alert {
  display: flex;
  gap: 0.6rem;
  align-items: center;
  margin-top: 1rem;
  padding: 0.85rem 0.95rem;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--card);
}

.alert-success {
  border-color: rgba(46, 207, 123, 0.3);
}

.alert-warning {
  border-color: rgba(240, 198, 60, 0.3);
}

.alert-error {
  border-color: rgba(255, 107, 107, 0.3);
}

.image-slot {
  display: grid;
  gap: 0.5rem;
}

.image-slot-frame {
  position: relative;
  min-height: 13rem;
  border-radius: var(--radius-lg);
  border: 1px dashed rgba(255, 255, 255, 0.22);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.04), rgba(255, 255, 255, 0.01)),
    radial-gradient(circle at top right, rgba(78, 140, 255, 0.16), transparent 34%);
  overflow: hidden;
}

.image-slot-hero .image-slot-frame {
  min-height: 17rem;
}

.image-slot-wide .image-slot-frame {
  min-height: 12rem;
}

.image-slot-portrait .image-slot-frame {
  min-height: 18rem;
}

.image-slot-badge {
  position: absolute;
  left: 0.7rem;
  top: 0.7rem;
  z-index: 2;
  padding: 0.34rem 0.58rem;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(7, 17, 29, 0.72);
  color: var(--text);
  font-size: 0.7rem;
  font-weight: 800;
}

.image-slot-grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.045) 1px, transparent 1px);
  background-size: 2.4rem 2.4rem;
  mask-image: radial-gradient(circle at center, black, transparent 90%);
}

.image-slot-media {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: saturate(1.08) contrast(1.04);
}

.testimonial-card {
  padding-top: 1.15rem;
}

.testimonial-name {
  color: var(--text);
  font-weight: 700;
}

.assistant-results {
  display: grid;
  gap: 0.7rem;
  margin-top: 0.8rem;
  padding: 0.8rem;
  border-radius: 14px;
  border: 1px solid rgba(78, 140, 255, 0.2);
  background: rgba(78, 140, 255, 0.06);
}

.widget-note {
  margin-top: 0.65rem;
  color: var(--text-soft);
  font-size: 0.85rem;
}