/*
  COMPONENTS — reusable widgets. Each block is self-contained and named
  after the thing it styles (BEM-ish: block, block__element, block--modifier).
  Theme values come from tokens.css; never hardcode colors/sizes here if a
  token exists.
*/

/* ---- buttons ------------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  background: var(--color-surface-2);
  color: var(--color-text);
  font-size: var(--text-sm);
  font-weight: var(--font-weight-medium);
  line-height: 1.3;
  cursor: pointer;
  user-select: none;
  transition: background 120ms ease, border-color 120ms ease;
}

.btn:hover {
  background: var(--color-surface-hover);
  border-color: var(--color-border-strong);
}

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

.btn:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

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

.btn--primary:hover {
  background: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
}

.btn--ghost {
  background: transparent;
  border-color: transparent;
  color: var(--color-text-dim);
}

.btn--ghost:hover {
  background: var(--color-surface);
  color: var(--color-text);
}

.btn--sm {
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
}

.btn:disabled {
  opacity: 0.5;
  cursor: default;
  pointer-events: none;
}

/* ---- form fields --------------------------------------------------------- */

.field {
  width: 100%;
  padding: var(--space-2) var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface-2);
  color: var(--color-text);
  font: inherit;
  font-size: var(--text-sm);
}

.field::placeholder {
  color: var(--color-text-faint);
}

.field:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-accent) 25%, transparent);
}

select.field {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' fill='none' stroke='%2398a2b0' stroke-width='2'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 32px;
}

.field-label {
  display: block;
  margin-bottom: var(--space-1);
  font-size: var(--text-xs);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-dim);
}

/* ---- badges & tags -------------------------------------------------------- */

.badge {
  display: inline-flex;
  align-items: center;
  padding: 1px var(--space-2);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--color-text-dim);
  white-space: nowrap;
}

.badge--accent {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.tag {
  display: inline-block;
  padding: 2px var(--space-2);
  border-radius: var(--radius-sm);
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  font-size: var(--text-xs);
  color: var(--color-text-dim);
}

/* ---- chips (filters) ------------------------------------------------------- */

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.chip {
  padding: var(--space-1) var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  background: transparent;
  color: var(--color-text-dim);
  font-size: var(--text-sm);
  font-weight: var(--font-weight-medium);
  cursor: pointer;
  transition: background 120ms ease, color 120ms ease, border-color 120ms ease;
}

.chip:hover {
  border-color: var(--color-border-strong);
  color: var(--color-text);
}

.chip--active {
  background: var(--color-surface);
  border-color: var(--color-accent);
  color: var(--color-text);
}

/* ---- media cards (poster) --------------------------------------------------- */

.card {
  display: block;
  flex: 0 0 var(--card-width);
  width: var(--card-width);
  cursor: pointer;
}

.card__poster {
  position: relative;
  aspect-ratio: var(--poster-aspect);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  transition: border-color 120ms ease, transform 120ms ease;
}

.card:hover .card__poster {
  border-color: var(--color-border-strong);
  transform: translateY(-2px);
}

.card__poster img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.card__poster--empty {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-faint);
  font-size: var(--text-2xl);
}

.card__title {
  margin-top: var(--space-2);
  font-size: var(--text-sm);
  font-weight: var(--font-weight-medium);
  line-height: 1.3;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card__meta {
  margin-top: 2px;
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.card__progress {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: rgba(255, 255, 255, 0.15);
}

.card__progress i {
  display: block;
  height: 100%;
  background: var(--color-accent);
}

/* ---- rows (horizontal carousels) ------------------------------------------ */

.row {
  margin-bottom: var(--space-6);
}

.row__header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
}

.row__title {
  font-size: var(--text-lg);
  font-weight: var(--font-weight-semibold);
}

.row__link {
  font-size: var(--text-sm);
  color: var(--color-text-dim);
}

.row__link:hover {
  color: var(--color-text);
}

.row__scroll {
  display: flex;
  gap: var(--space-3);
  overflow-x: auto;
  scroll-snap-type: x proximity;
  padding-bottom: var(--space-2);
  scrollbar-width: thin;
  scrollbar-color: var(--color-border-strong) transparent;
}

.row__scroll .card {
  scroll-snap-align: start;
}

/* ---- results grid ---------------------------------------------------------- */

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(var(--card-width), 1fr));
  gap: var(--space-4);
}

.grid .card {
  flex: none;
  width: auto;
}

/* ---- modal ----------------------------------------------------------------- */

.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-4);
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
}

.modal {
  width: 100%;
  max-width: 460px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  box-shadow: var(--shadow-2);
}

.modal__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--color-border);
}

.modal__title {
  font-size: var(--text-lg);
  font-weight: var(--font-weight-semibold);
}

.modal__body {
  padding: var(--space-5);
  display: grid;
  gap: var(--space-4);
}

.modal__hint {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

.modal__actions {
  display: flex;
  justify-content: flex-end;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-5);
  border-top: 1px solid var(--color-border);
}

/* ---- toast ----------------------------------------------------------------- */

.toast {
  position: fixed;
  left: 50%;
  bottom: var(--space-6);
  z-index: 110;
  transform: translateX(-50%);
  max-width: min(90vw, 480px);
  padding: var(--space-2) var(--space-4);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  box-shadow: var(--shadow-2);
  font-size: var(--text-sm);
  opacity: 0;
  pointer-events: none;
  transition: opacity 150ms ease, transform 150ms ease;
}

.toast--show {
  opacity: 1;
}

.toast--error {
  border-color: var(--color-danger);
  color: var(--color-danger);
}

/* ---- loading & empty states ------------------------------------------------- */

.spinner {
  width: 28px;
  height: 28px;
  border: 3px solid var(--color-border);
  border-top-color: var(--color-accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

.spinner--center {
  padding: var(--space-8) 0;
  text-align: center;
}

.empty {
  padding: var(--space-7) 0;
  text-align: center;
  color: var(--color-text-faint);
}

.empty h3 {
  font-size: var(--text-lg);
  color: var(--color-text-dim);
  margin-bottom: var(--space-2);
}