/* ============================================================
   TECHBITDEALS — Components
   Reusable UI components: buttons, cards, badges, forms.
   ============================================================ */

/* === BUTTONS (Apple pill style) === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-7);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  border-radius: var(--radius-full);
  transition: all var(--transition-spring);
  white-space: nowrap;
  text-decoration: none;
  line-height: 1.4;
  cursor: pointer;
  border: none;
  position: relative;
  overflow: hidden;
}

.btn--primary {
  background: var(--color-accent-primary);
  color: var(--color-text-on-accent);
}

.btn--primary:hover {
  background: var(--color-accent-hover);
  color: var(--color-text-on-accent);
  box-shadow: 0 0 32px rgba(0, 212, 255, 0.35), 0 4px 16px rgba(0, 212, 255, 0.2);
  transform: scale(1.03);
}

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

.btn--secondary {
  background: rgba(255,255,255,0.08);
  color: var(--color-text-primary);
  border: 1px solid rgba(255,255,255,0.12);
  backdrop-filter: blur(8px);
}

.btn--secondary:hover {
  background: rgba(255,255,255,0.14);
  border-color: rgba(255,255,255,0.22);
  transform: scale(1.03);
}

.btn--ghost {
  background: transparent;
  color: var(--color-accent-primary);
}

.btn--ghost:hover {
  color: var(--color-accent-hover);
  text-decoration: underline;
}

.btn--danger {
  background: var(--color-accent-danger);
  color: #fff;
}

.btn--lg {
  padding: var(--space-4) var(--space-10);
  font-size: 1rem;
  letter-spacing: -0.01em;
}

.btn--sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-xs);
}

.btn--full {
  width: 100%;
}

/* Space-after-icon arrow shorthand */
.btn--arrow::after {
  content: ' →';
  transition: transform var(--transition-normal);
}
.btn--arrow:hover::after {
  transform: translateX(4px);
}

/* === CARDS (Apple-style — large radius, no harsh border) === */
.card {
  background: var(--color-bg-card);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: var(--radius-2xl);
  overflow: hidden;
  transition: transform var(--transition-spring), box-shadow var(--transition-spring), border-color var(--transition-normal);
  position: relative;
}

.card:hover {
  transform: translateY(-6px) scale(1.01);
  border-color: rgba(255,255,255,0.1);
  box-shadow: 0 24px 64px rgba(0,0,0,0.55), 0 0 0 1px rgba(0,212,255,0.12);
}

.card__image {
  width: 100%;
  aspect-ratio: 16 / 10;
  background: var(--color-bg-tertiary);
  overflow: hidden;
  position: relative;
}

/* When card__image wraps an <img> */
.card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
  transition: transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

.card:hover .card__image img {
  transform: scale(1.04);
}

/* Badge overlaid on top of image */
.card__image .badge {
  position: absolute;
  top: var(--space-3);
  left: var(--space-3);
  z-index: 1;
}

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

.card__meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
}

.card__title {
  font-size: var(--text-xl);
  font-weight: var(--font-semibold);
  margin-bottom: var(--space-3);
  line-height: var(--leading-tight);
}

.card__title a {
  color: var(--color-text-primary);
}

.card__title a:hover {
  color: var(--color-accent-primary);
}

.card__excerpt {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-4);
}

.card__footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid var(--color-border-default);
}

/* --- Deal Card variant --- */
.card--deal .card__price {
  font-family: var(--font-mono);
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
  color: var(--color-accent-primary);
}

.card--deal .card__price-original {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: line-through;
  margin-left: var(--space-2);
}

/* === BADGES === */
.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  letter-spacing: 0.03em;
  text-transform: uppercase;
  border-radius: var(--radius-full);
  line-height: 1.4;
}

.badge--accent {
  background: var(--color-accent-muted);
  color: var(--color-accent-primary);
}

.badge--deal {
  background: rgba(255, 107, 53, 0.15);
  color: var(--color-accent-deal);
}

.badge--sponsored {
  background: rgba(123, 97, 255, 0.15);
  color: var(--color-accent-secondary);
}

.badge--new {
  background: rgba(0, 230, 118, 0.15);
  color: var(--color-accent-success);
}

/* === STAR RATING === */
.stars {
  display: inline-flex;
  gap: 2px;
  color: var(--color-accent-warning);
  font-size: var(--text-lg);
}

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

/* === FORMS === */
.form-group {
  margin-bottom: var(--space-5);
}

.form-label {
  display: block;
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  background: var(--color-bg-input);
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-md);
  color: var(--color-text-primary);
  font-size: var(--text-base);
  transition: border-color var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--color-accent-primary);
  outline: none;
  box-shadow: 0 0 0 3px var(--color-accent-muted);
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-text-muted);
}

.form-textarea {
  resize: vertical;
  min-height: 120px;
}

.form-select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%239999b3' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-4) center;
  padding-right: var(--space-10);
}

.form-error {
  font-size: var(--text-xs);
  color: var(--color-accent-danger);
  margin-top: var(--space-1);
}

/* === SECTION HEADERS === */
.section-header {
  margin-bottom: var(--space-10);
}

.section-header__label {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-accent-primary);
  margin-bottom: var(--space-3);
}

.section-header__title {
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: var(--font-black);
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin-bottom: var(--space-4);
}

.section-header__subtitle {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  max-width: 600px;
}

/* === DIVIDER === */
.divider {
  border: none;
  border-top: 1px solid var(--color-border-default);
  margin-block: var(--space-8);
}

/* === AFFILIATE DISCLOSURE (inline) === */
.affiliate-notice {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  padding: var(--space-3) var(--space-4);
  background: var(--color-bg-secondary);
  border-radius: var(--radius-md);
  border-left: 3px solid var(--color-accent-primary);
  margin-bottom: var(--space-6);
}

/* === SKELETON LOADING === */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--color-bg-tertiary) 25%,
    var(--color-bg-elevated) 50%,
    var(--color-bg-tertiary) 75%
  );
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.5s ease-in-out infinite;
  border-radius: var(--radius-md);
}

@keyframes skeleton-shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* === BREADCRUMBS === */
.breadcrumbs {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
}

.breadcrumbs a {
  color: var(--color-text-secondary);
}

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

/* === SCROLL TO TOP === */
.scroll-top {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  width: 44px;
  height: 44px;
  background: var(--color-bg-elevated);
  border: 1px solid var(--color-border-default);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-secondary);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
  z-index: var(--z-sticky);
}

.scroll-top.visible {
  opacity: 1;
  visibility: visible;
}

.scroll-top:hover {
  background: var(--color-accent-primary);
  color: var(--color-text-on-accent);
  border-color: var(--color-accent-primary);
}