/* ==========================================================================
   Components — Cards, Buttons, Badges, Tables
   ========================================================================== */

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  font-family: var(--font-heading);
  font-weight: var(--weight-semibold);
  font-size: var(--text-sm);
  letter-spacing: 0.02em;
  padding: 0.85em 2em;
  border-radius: var(--radius-full);
  transition:
    transform var(--duration-base) var(--ease-spring),
    box-shadow var(--duration-base) var(--ease-out),
    background-color var(--duration-fast) var(--ease-out);
  white-space: nowrap;
  position: relative;
  overflow: hidden;
}

.btn--primary {
  background: var(--color-accent);
  color: #fff;
  box-shadow: 0 4px 20px var(--color-accent-glow);
}

.btn--primary:hover {
  transform: translateY(-2px) scale(1.02);
  box-shadow: 0 8px 32px var(--color-accent-glow);
  background: var(--color-accent-hover);
  color: #fff;
}

.btn--primary:active {
  transform: translateY(0) scale(0.98);
}

.btn--outline {
  border: 1.5px solid var(--color-border);
  color: var(--color-text);
  background: transparent;
}

.btn--outline:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.btn--lg {
  font-size: var(--text-base);
  padding: 1em 2.5em;
}

/* ==========================================================================
   Glass Card
   ========================================================================== */

.card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  box-shadow: var(--glass-shadow);
  transition:
    transform var(--duration-base) var(--ease-spring),
    box-shadow var(--duration-base) var(--ease-out),
    border-color var(--duration-base) var(--ease-out);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-border-hover);
}

.card--accent {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-glow);
}

.card--accent:hover {
  box-shadow:
    var(--shadow-lg),
    var(--shadow-glow);
}

/* ==========================================================================
   Badge
   ========================================================================== */

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2xs);
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 0.35em 0.9em;
  border-radius: var(--radius-full);
  background: var(--color-accent-subtle);
  color: var(--color-accent);
  border: 1px solid color-mix(in srgb, var(--color-accent) 20%, transparent);
}

.badge--success {
  background: var(--color-success-bg);
  color: var(--color-success);
  border-color: color-mix(in srgb, var(--color-success) 20%, transparent);
}

.badge--secondary {
  background: color-mix(in srgb, var(--color-secondary) 10%, transparent);
  color: var(--color-secondary);
  border-color: color-mix(in srgb, var(--color-secondary) 20%, transparent);
}

.badge--gold {
  background: color-mix(in srgb, var(--color-tertiary) 12%, transparent);
  color: var(--color-tertiary);
  border-color: color-mix(in srgb, var(--color-tertiary) 25%, transparent);
}

/* ==========================================================================
   Step number
   ========================================================================== */

.step-number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: var(--gradient-accent);
  color: #fff;
  font-family: var(--font-heading);
  font-weight: var(--weight-bold);
  font-size: var(--text-sm);
  flex-shrink: 0;
}

/* ==========================================================================
   AB Test Table
   ========================================================================== */

.ab-table {
  width: 100%;
  max-width: 700px;
  margin-inline: auto;
  border-collapse: separate;
  border-spacing: 0;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
}

.ab-table thead {
  background: rgba(255, 255, 255, 0.03);
}

[data-theme="light"] .ab-table thead {
  background: rgba(0, 0, 0, 0.03);
}

.ab-table th {
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-secondary);
  padding: var(--space-sm) var(--space-md);
  text-align: left;
  border-bottom: 1px solid var(--color-border);
}

.ab-table td {
  padding: var(--space-md);
  border-bottom: 1px solid var(--color-border);
  font-size: var(--text-sm);
  vertical-align: middle;
}

.ab-table tr:last-child td {
  border-bottom: none;
}

.ab-table__row--winner {
  background: var(--color-success-bg);
}

.ab-table__row--winner td {
  color: var(--color-text);
  font-weight: var(--weight-medium);
}

/* Thumbnail placeholder in table */
.ab-table__thumb {
  width: 96px;
  height: 54px;
  border-radius: var(--radius-sm);
  background:
    linear-gradient(135deg, rgba(59, 130, 246, 0.08), transparent 60%),
    var(--gradient-card);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: var(--weight-semibold);
  font-family: var(--font-heading);
  color: var(--color-text-tertiary);
}

.ab-table__thumb--img {
  overflow: hidden;
  padding: 0;
  background: none;
}

.ab-table__thumb--img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* AB Table — Mobile */
@media (max-width: 768px) {
  .ab-table,
  .ab-table thead,
  .ab-table tbody,
  .ab-table tr,
  .ab-table th,
  .ab-table td {
    display: block;
  }

  .ab-table {
    border: none;
    background: none;
  }

  .ab-table thead {
    display: none;
  }

  .ab-table tbody {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
  }

  .ab-table tr {
    display: grid;
    grid-template-columns: 96px 1fr;
    grid-template-rows: auto auto;
    gap: 0 var(--space-md);
    padding: var(--space-md);
    border-radius: var(--radius-md);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
  }

  .ab-table__row--winner {
    background: var(--color-success-bg);
  }

  .ab-table td {
    padding: 0;
    border-bottom: none;
  }

  /* Thumbnail — spans both rows on left */
  .ab-table td:nth-child(1) {
    grid-row: 1 / 3;
    grid-column: 1;
    display: flex;
    align-items: center;
  }

  /* Title */
  .ab-table td:nth-child(2) {
    grid-row: 1;
    grid-column: 2;
    font-size: var(--text-sm);
    line-height: 1.3;
    align-self: end;
  }

  /* Watch time + Badge — inline on second row */
  .ab-table td:nth-child(3) {
    grid-row: 2;
    grid-column: 2;
    align-self: start;
    margin-top: var(--space-xs);
  }

  .ab-table td:nth-child(4) {
    grid-row: 2;
    grid-column: 2;
    align-self: start;
    justify-self: end;
    margin-top: var(--space-xs);
  }

  /* Put percentage and badge on same line */
  .ab-table td:nth-child(3),
  .ab-table td:nth-child(4) {
    display: inline;
  }

  .ab-table tr {
    position: relative;
  }

  .ab-table td:nth-child(4) {
    position: absolute;
    right: var(--space-md);
    bottom: var(--space-md);
  }

  .ab-table tr:last-child td {
    border-bottom: none;
  }
}

/* ==========================================================================
   Chat message
   ========================================================================== */

.chat-bubble {
  max-width: 380px;
  padding: var(--space-md) var(--space-lg);
  border-radius: var(--radius-lg);
  font-size: var(--text-sm);
  line-height: 1.5;
  position: relative;
}

.chat-bubble--incoming {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-bottom-left-radius: var(--radius-sm);
  align-self: flex-start;
}

.chat-bubble--outgoing {
  background: var(--color-accent);
  color: #fff;
  border-bottom-right-radius: var(--radius-sm);
  align-self: flex-end;
}

.chat-bubble__author {
  font-family: var(--font-heading);
  font-weight: var(--weight-semibold);
  font-size: var(--text-xs);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.chat-bubble--outgoing .chat-bubble__author {
  color: rgba(255, 255, 255, 0.7);
}

.chat-bubble--hidden {
  opacity: 0;
  transform: translateY(8px);
  pointer-events: none;
}

.chat-bubble--appear {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
  animation: chatBubbleAppear 0.3s cubic-bezier(0.25, 0.1, 0.25, 1) forwards;
}

@keyframes chatBubbleAppear {
  0% {
    opacity: 0;
    transform: translateY(8px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ==========================================================================
   Sketch placeholder (16:9)
   ========================================================================== */

.sketch-placeholder {
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-md);
  background:
    linear-gradient(135deg, rgba(59, 130, 246, 0.05) 0%, transparent 50%),
    linear-gradient(225deg, rgba(0, 229, 255, 0.05) 0%, transparent 50%),
    var(--gradient-card);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  position: relative;
  transition:
    transform var(--duration-base) var(--ease-spring),
    box-shadow var(--duration-base) var(--ease-out);
}

/* Grid pattern inside placeholder */
.sketch-placeholder::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--color-border) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-border) 1px, transparent 1px);
  background-size: 40px 40px;
  opacity: 0.4;
  pointer-events: none;
}

/* Diagonal accent line */
.sketch-placeholder::after {
  content: '';
  position: absolute;
  width: 120%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-accent-glow), transparent);
  top: 40%;
  left: -10%;
  transform: rotate(-15deg);
  pointer-events: none;
}

.sketch-placeholder:hover {
  transform: scale(1.03);
  box-shadow: var(--shadow-md);
}

.sketch-placeholder__label {
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  color: var(--color-text-tertiary);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  position: relative;
  z-index: 1;
}

/* Sketch image (real sketch artwork) */
.sketch-image {
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
  transition:
    transform var(--duration-base) var(--ease-spring),
    box-shadow var(--duration-base) var(--ease-out);
}

.sketch-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.sketch-image:hover {
  transform: scale(1.03);
  box-shadow: var(--shadow-md);
}

.sketch-placeholder--final {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-glow);
}

/* ==========================================================================
   Result card
   ========================================================================== */

.result-card {
  background: var(--glass-bg);
  border: 1px solid color-mix(in srgb, var(--color-accent) 40%, transparent);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl);
  text-align: center;
  box-shadow: 0 0 20px color-mix(in srgb, var(--color-accent) 10%, transparent);
  position: relative;
  overflow: hidden;
}

.result-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 0%, color-mix(in srgb, var(--color-accent) 8%, transparent), transparent 70%);
  pointer-events: none;
}

.result-card__stat {
  font-family: var(--font-heading);
  font-size: var(--text-4xl);
  font-weight: var(--weight-bold);
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  filter: brightness(1.2);
  text-shadow: 0 0 30px var(--color-accent-glow);
}

.result-card__thumbnail {
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid color-mix(in srgb, var(--color-accent) 35%, transparent);
  box-shadow: 0 0 15px color-mix(in srgb, var(--color-accent) 8%, transparent);
}

.result-card__thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.result-card__label {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin-top: var(--space-2xs);
}

/* ==========================================================================
   Pricing card
   ========================================================================== */

.pricing-card {
  display: flex;
  flex-direction: column;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-xl);
  padding: var(--space-2xl) var(--space-xl);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  text-align: center;
  position: relative;
  transition:
    transform var(--duration-base) var(--ease-spring),
    box-shadow var(--duration-base) var(--ease-out),
    border-color var(--duration-base) var(--ease-out);
}

.pricing-card .btn {
  margin-top: auto;
}

.pricing-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-border-hover);
}

.pricing-card--featured {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-glow);
  overflow: visible;
}

.pricing-card--featured:hover {
  box-shadow:
    var(--shadow-lg),
    var(--shadow-glow);
}

.pricing-card__title {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-semibold);
  margin-bottom: var(--space-lg);
}

.pricing-card__price {
  font-family: var(--font-heading);
  font-size: var(--text-4xl);
  font-weight: var(--weight-bold);
  line-height: 1;
  margin-bottom: var(--space-xs);
}

.pricing-card__price span {
  font-size: var(--text-xl);
  font-weight: var(--weight-medium);
  color: var(--color-text-secondary);
}

.pricing-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xl);
}

.pricing-card__features {
  text-align: left;
  margin-bottom: var(--space-xl);
}

.pricing-card__feature {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-xs) 0;
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

.pricing-card__feature svg {
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  color: var(--color-success);
}