/*
 * assets/css/components.css
 * Reusable UI components shared across all pages.
 *
 * Covers: buttons, status badges, project cards, tool cards,
 * resource cards, update items, page heroes, breadcrumbs,
 * placeholder panels, and card grid layouts.
 */

/* ================================
   BUTTONS
================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  /* 44px minimum tap target height */
  min-height: 44px;
  padding: var(--space-3) var(--space-6);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  line-height: 1;
  letter-spacing: var(--tracking-wide);
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  cursor: pointer;
  white-space: nowrap;
  transition: background-color 0.15s ease, color 0.15s ease,
              border-color 0.15s ease, box-shadow 0.15s ease;
}

.btn:focus-visible {
  outline: 2px solid var(--color-border-focus);
  outline-offset: 3px;
}

/* Primary — gold filled */
.btn--primary {
  background-color: var(--color-gold);
  color: var(--color-text-on-gold);
  border-color: var(--color-gold);
}

.btn--primary:hover {
  background-color: var(--color-gold-hover);
  border-color: var(--color-gold-hover);
  color: var(--color-text-on-gold);
}

/* Secondary — outlined */
.btn--secondary {
  background-color: transparent;
  color: var(--color-text-primary);
  border-color: var(--color-border);
}

.btn--secondary:hover {
  border-color: var(--color-gold-muted);
  color: var(--color-gold);
  background-color: var(--color-gold-subtle);
}

/* Ghost — text only */
.btn--ghost {
  background-color: transparent;
  color: var(--color-gold);
  border-color: transparent;
}

.btn--ghost:hover {
  background-color: var(--color-gold-subtle);
  color: var(--color-gold-hover);
}

/* Small size modifier */
.btn--sm {
  min-height: 36px;
  padding: var(--space-2) var(--space-4);
  font-size: var(--text-xs);
}

/* ================================
   STATUS BADGES
================================ */

.badge {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
  border-radius: var(--radius-pill);
  white-space: nowrap;
  line-height: 1.4;
  border: 1px solid transparent;
}

.badge--in-dev {
  background-color: var(--color-status-in-dev-bg);
  color: var(--color-status-in-dev);
  border-color: var(--color-status-in-dev-border);
}

.badge--planned {
  background-color: var(--color-status-planned-bg);
  color: var(--color-status-planned);
  border-color: var(--color-status-planned-border);
}

.badge--tbd {
  background-color: var(--color-status-tbd-bg);
  color: var(--color-status-tbd);
  border-color: var(--color-status-tbd-border);
}

.badge--implemented {
  background-color: var(--color-status-implemented-bg);
  color: var(--color-status-implemented);
  border-color: var(--color-status-implemented-border);
}

.badge--deprecated {
  background-color: var(--color-status-deprecated-bg);
  color: var(--color-status-deprecated);
  border-color: var(--color-status-deprecated-border);
}

.badge--live {
  background-color: var(--color-status-live-bg);
  color: var(--color-status-live);
  border-color: var(--color-status-live-border);
}

.badge--concept {
  background-color: var(--color-status-concept-bg);
  color: var(--color-status-concept);
  border-color: var(--color-status-concept-border);
}

.badge--future-major {
  background-color: var(--color-status-future-major-bg);
  color: var(--color-status-future-major);
  border-color: var(--color-status-future-major-border);
}

.badge--future-flagship {
  background-color: var(--color-status-future-flagship-bg);
  color: var(--color-status-future-flagship);
  border-color: var(--color-status-future-flagship-border);
}

.badge--requires-confirmation {
  background-color: var(--color-status-requires-confirmation-bg);
  color: var(--color-status-requires-confirmation);
  border-color: var(--color-status-requires-confirmation-border);
}

.badge--confirmed {
  background-color: var(--color-status-implemented-bg);
  color: var(--color-status-implemented);
  border-color: var(--color-status-implemented-border);
}

.badge--under-consideration {
  background-color: var(--color-status-under-consideration-bg);
  color: var(--color-status-under-consideration);
  border-color: var(--color-status-under-consideration-border);
}

.badge--needs-clarification {
  background-color: var(--color-status-needs-clarification-bg);
  color: var(--color-status-needs-clarification);
  border-color: var(--color-status-needs-clarification-border);
}

.badge--requires-research {
  background-color: var(--color-status-requires-research-bg);
  color: var(--color-status-requires-research);
  border-color: var(--color-status-requires-research-border);
}

.badge--deferred {
  background-color: var(--color-status-deferred-bg);
  color: var(--color-status-deferred);
  border-color: var(--color-status-deferred-border);
}

.badge--superseded {
  background-color: var(--color-status-superseded-bg);
  color: var(--color-status-superseded);
  border-color: var(--color-status-superseded-border);
}

.badge--category-game {
  background-color: var(--color-category-game-bg);
  color: var(--color-category-game);
  border-color: var(--color-category-game-border);
}

.badge--category-product {
  background-color: var(--color-category-product-bg);
  color: var(--color-category-product);
  border-color: var(--color-category-product-border);
}

.badge--outline-gold {
  background-color: transparent;
  color: var(--color-gold);
  border-color: var(--color-gold-muted);
}

.badge--risk-low {
  background-color: var(--color-risk-low-bg);
  color: var(--color-risk-low);
  border-color: var(--color-risk-low-border);
}

.badge--risk-moderate {
  background-color: var(--color-risk-moderate-bg);
  color: var(--color-risk-moderate);
  border-color: var(--color-risk-moderate-border);
}

.badge--risk-high {
  background-color: var(--color-risk-high-bg);
  color: var(--color-risk-high);
  border-color: var(--color-risk-high-border);
}

.badge--risk-critical {
  background-color: var(--color-risk-critical-bg);
  color: var(--color-risk-critical);
  border-color: var(--color-risk-critical-border);
}

.tag-chip {
  display: inline-flex;
  align-items: center;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-border);
  background-color: rgba(255, 255, 255, 0.02);
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-wide);
  color: var(--color-text-secondary);
}

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

/* ================================
   CARD GRID LAYOUTS
================================ */

.card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
}

@media (min-width: 540px) {
  .card-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 900px) {
  .card-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Two-column variant — used for resource and tool grids */
.card-grid--2 {
  grid-template-columns: 1fr;
}

@media (min-width: 540px) {
  .card-grid--2 {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ================================
   PROJECT CARDS
   Used for games, projects, and any similar catalog item.
================================ */

.project-card {
  display: flex;
  flex-direction: column;
  background-color: var(--color-bg-raised);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-card);
  gap: var(--space-5);
  position: relative;
  overflow: hidden;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.project-card:hover {
  border-color: var(--color-gold-muted);
  box-shadow: var(--shadow-card-hover);
  transform: translateY(-2px);
}

.project-card::before {
  content: '';
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: linear-gradient(180deg, var(--color-gold), rgba(201, 168, 76, 0));
  opacity: 0.8;
}

.project-card__eyebrow {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
}

.project-card__eyebrow-label {
  color: var(--color-gold-muted);
  font-weight: var(--weight-semibold);
}

.project-card__eyebrow-stage {
  color: var(--color-text-muted);
}

.project-card__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-3);
  flex-wrap: wrap;
}

.project-card__title-block {
  flex: 1;
  min-width: min(18rem, 100%);
}

.project-card__title {
  font-size: var(--text-lg);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-tight);
  color: var(--color-text-primary);
  line-height: var(--leading-snug);
}

.project-card__pitch {
  margin-top: var(--space-2);
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
  color: var(--color-text-secondary);
  max-width: 54ch;
}

.project-card__badge-row {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: var(--space-2);
}

.project-card__lead-row {
  display: grid;
  gap: var(--space-4);
}

@media (min-width: 740px) {
  .project-card__lead-row {
    grid-template-columns: 1.5fr minmax(10rem, 13rem);
    align-items: stretch;
  }
}

.project-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.project-card__meta-item {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.project-card__summary {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  flex: 1;
}

.project-card__visual {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: var(--space-3);
  min-height: 100%;
  padding: var(--space-4);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  background:
    linear-gradient(135deg, rgba(201, 168, 76, 0.15), rgba(201, 168, 76, 0) 50%),
    radial-gradient(circle at top right, rgba(255, 255, 255, 0.04), transparent 45%),
    var(--color-bg-page);
}

.project-card__visual-code {
  display: block;
  font-size: clamp(1.75rem, 5vw, 2.5rem);
  font-weight: var(--weight-bold);
  letter-spacing: var(--tracking-tight);
  color: var(--color-text-primary);
  line-height: 1;
}

.project-card__visual-label {
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.project-card__facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(10rem, 1fr));
  gap: var(--space-3);
}

.project-card__fact {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-3);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  background-color: rgba(255, 255, 255, 0.02);
}

.project-card__fact-label {
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.project-card__fact-value {
  font-size: var(--text-sm);
  color: var(--color-text-primary);
  line-height: var(--leading-snug);
}

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

.project-card__footer {
  margin-top: auto;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
}

/* ================================
   TOOL CARDS
   Used for studio technologies (Maple, WillowScript, etc.)
================================ */

.tool-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  background-color: var(--color-bg-raised);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  transition: border-color 0.2s ease;
}

.tool-card:hover {
  border-color: var(--color-gold-muted);
}

.tool-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  flex-wrap: wrap;
}

.tool-card__name {
  font-size: var(--text-lg);
  font-weight: var(--weight-semibold);
  color: var(--color-text-primary);
}

.tool-card__description {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  flex: 1;
}

.tool-card__link {
  font-size: var(--text-sm);
  color: var(--color-gold);
  text-decoration: none;
  font-weight: var(--weight-medium);
  margin-top: auto;
  transition: color 0.15s ease;
}

.tool-card__link:hover {
  color: var(--color-gold-hover);
}

/* ================================
   RESOURCE CARDS
   Clickable anchor cards used for the portal resources section.
================================ */

.resource-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  background-color: var(--color-bg-raised);
  border: 1px solid var(--color-border);
  /* Left accent stripe */
  border-left: 3px solid var(--color-gold-muted);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  text-decoration: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.resource-card:hover {
  border-color: var(--color-gold);
  box-shadow: var(--shadow-md);
}

.resource-card__title {
  font-size: var(--text-base);
  font-weight: var(--weight-semibold);
  color: var(--color-text-primary);
}

.resource-card__description {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

/* ================================
   UPDATE ITEMS
   Recent portal updates list.
================================ */

.updates-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.update-item {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-5);
  background-color: var(--color-bg-raised);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  transition: border-color 0.15s ease;
}

.update-item:hover {
  border-color: var(--color-border);
}

@media (min-width: 640px) {
  .update-item {
    flex-direction: row;
    align-items: baseline;
    gap: var(--space-5);
  }
}

.update-item__date {
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  color: var(--color-text-muted);
  white-space: nowrap;
  flex-shrink: 0;
  font-family: var(--font-mono);
  min-width: 7rem;
}

.update-item__body {
  flex: 1;
}

.update-item__title {
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-1);
}

.update-item__description {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

/* ================================
   PAGE HERO (generic)
   Used on interior pages (games.html, game detail pages, etc.)
================================ */

.page-hero {
  padding-top: var(--space-12);
  padding-bottom: var(--space-12);
  border-bottom: 1px solid var(--color-border-subtle);
}

.page-hero__eyebrow {
  display: block;
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-gold-muted);
  margin-bottom: var(--space-3);
}

.page-hero__title {
  font-size: var(--text-3xl);
  font-weight: var(--weight-bold);
  letter-spacing: var(--tracking-tight);
  color: var(--color-text-primary);
  margin-bottom: var(--space-4);
}

@media (min-width: 768px) {
  .page-hero__title {
    font-size: var(--text-4xl);
  }
}

.page-hero__meta {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin-bottom: var(--space-5);
}

.page-hero__description {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  max-width: 70ch;
  line-height: var(--leading-relaxed);
}

/* ================================
   BREADCRUMB
================================ */

.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--color-border-subtle);
  margin-bottom: var(--space-8);
}

.breadcrumb__item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.breadcrumb__item::after {
  content: '/';
  color: var(--color-text-muted);
  opacity: 0.4;
}

.breadcrumb__item:last-child::after {
  display: none;
}

.breadcrumb__link {
  color: var(--color-text-muted);
  text-decoration: none;
  transition: color 0.15s ease;
}

.breadcrumb__link:hover {
  color: var(--color-gold);
}

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

/* ================================
   PLACEHOLDER PANEL
   Used on future-feature sections in placeholder game pages.
================================ */

.placeholder-panel {
  padding: var(--space-10) var(--space-6);
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-md);
  text-align: center;
}

.placeholder-panel__label {
  display: block;
  font-size: var(--text-xs);
  font-weight: var(--weight-semibold);
  letter-spacing: var(--tracking-widest);
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-2);
}

.placeholder-panel__text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* ================================
   EMPTY STATE
   Shown when a dynamic list has no results.
================================ */

.empty-state {
  text-align: center;
  padding: var(--space-16) var(--space-6);
}

.empty-state__heading {
  font-size: var(--text-lg);
  font-weight: var(--weight-semibold);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2);
}

.empty-state__text {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* ================================
   DETAIL SECTIONS (game/project detail pages)
================================ */

.detail-section {
  padding: var(--space-8) 0;
  border-bottom: 1px solid var(--color-border-subtle);
}

.detail-section:last-child {
  border-bottom: none;
}

.detail-section__title {
  font-size: var(--text-lg);
  font-weight: var(--weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-5);
}

.decision-log {
  display: grid;
  gap: var(--space-4);
}

.decision-log__item {
  padding: var(--space-5);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background-color: var(--color-bg-raised);
}

.decision-log__item-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-3);
  flex-wrap: wrap;
}

.decision-log__title {
  font-size: var(--text-lg);
  font-weight: var(--weight-semibold);
  color: var(--color-text-primary);
}

.decision-log__summary {
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

.dependency-map {
  display: flex;
  flex-direction: column;
  gap: var(--space-10);
}

.dependency-map__lanes {
  display: grid;
  gap: var(--space-6);
}

.dependency-lane {
  padding: var(--space-6);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(180deg, rgba(201, 168, 76, 0.08), rgba(201, 168, 76, 0)),
    var(--color-bg-raised);
}

.dependency-lane__header {
  margin-bottom: var(--space-5);
}

.dependency-lane__title {
  font-size: var(--text-xl);
  margin-bottom: var(--space-2);
}

.dependency-lane__summary {
  color: var(--color-text-secondary);
  max-width: 72ch;
}

.dependency-lane__items {
  display: grid;
  gap: var(--space-4);
}

.dependency-lane__item {
  padding: var(--space-5);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-md);
  background-color: rgba(0, 0, 0, 0.14);
}

.dependency-lane__item-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-3);
  flex-wrap: wrap;
}

.dependency-lane__item-title {
  font-size: var(--text-lg);
}

.dependency-lane__item-title a {
  color: var(--color-text-primary);
}

.dependency-lane__item-title a:hover {
  color: var(--color-gold);
}

.dependency-lane__item-summary {
  color: var(--color-text-secondary);
  margin-bottom: var(--space-3);
}

.dependency-lane__item-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.dependency-map__questions-title {
  margin-bottom: var(--space-4);
}