/* ================================================
   playable.resit.dev — Design Tokens & Styles
   Consistent with resit.dev aesthetic
   ================================================ */

/* ---------- Design Tokens ---------- */
:root {
  color-scheme: light;
  --color-bg: #FAF8F4;
  --color-surface: #FFFDFA;
  --color-text: #35394E;
  --color-text-muted: #696C7D;
  --color-headings: #202642;
  --color-links: #4857A1;
  --color-links-hover: #303E84;
  --color-accent: #B54737;
  --color-accent-hover: #943527;
  --color-code-bg: #F0EEE9;
  --color-border: #DEDDE1;
  --font-serif: 'Source Serif 4', 'Source Serif Pro', 'Charter', 'Georgia', 'Cambria', serif;
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

html.dark {
  color-scheme: dark;
  --color-bg: #141827;
  --color-surface: #1D2235;
  --color-text: #D7D8E1;
  --color-text-muted: #A1A6BD;
  --color-headings: #F0EDE8;
  --color-links: #ACB8FF;
  --color-links-hover: #CED5FF;
  --color-accent: #F39785;
  --color-accent-hover: #FFB6A6;
  --color-code-bg: #1C2133;
  --color-border: #31374C;
}

/* ---------- Base Resets ---------- */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  line-height: 1.5;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-sans);
  color: var(--color-headings);
  font-weight: 600;
  letter-spacing: -0.015em;
}

a {
  color: var(--color-links);
  text-decoration: none;
  transition: color 0.15s ease;
}

a:hover {
  color: var(--color-links-hover);
}

*:focus-visible {
  outline: 2px solid var(--color-links);
  outline-offset: 2px;
}

::selection {
  background: var(--color-accent);
  color: #fff;
}

img {
  display: block;
  max-width: 100%;
}

button {
  font-family: var(--font-sans);
  cursor: pointer;
}

/* ---------- Layout: Site Shell ---------- */
.site-shell {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  min-height: 100dvh;
}

@media (min-width: 900px) {
  .site-shell {
    flex-direction: row;
  }
}

/* ---------- Sidebar ---------- */
.site-sidebar {
  border-bottom: 1px solid var(--color-border);
  padding: 1.25rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

@media (min-width: 900px) {
  .site-sidebar {
    position: sticky;
    top: 0;
    align-self: flex-start;
    height: 100vh;
    width: 13rem;
    flex-shrink: 0;
    border-bottom: none;
    border-right: 1px solid var(--color-border);
    padding: 2.5rem 1.75rem;
    gap: 2.25rem;
  }
}

.sidebar-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-brand {
  font-family: var(--font-sans);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--color-headings);
}

.site-brand:hover {
  color: var(--color-links);
}

.brand-mark {
  color: var(--color-accent);
  margin-right: 0.125rem;
}

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

.theme-toggle-btn {
  background: transparent;
  border: none;
  padding: 0.5rem;
  color: var(--color-text-muted);
  border-radius: 0.375rem;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: color 0.15s ease;
}

.theme-toggle-btn:hover {
  color: var(--color-text);
}

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

.theme-toggle-btn svg {
  width: 1rem;
  height: 1rem;
  display: block;
}

.site-nav {
  display: flex;
  gap: 1.25rem;
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

@media (min-width: 900px) {
  .site-nav {
    flex-direction: column;
    gap: 0.375rem;
  }
}

.site-nav a {
  color: inherit;
  padding-block: 0.125rem;
  transition: color 0.15s ease;
}

.site-nav a:hover {
  color: var(--color-text);
}

.site-nav a[aria-current='page'] {
  color: var(--color-accent);
}

.sidebar-social {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  color: var(--color-text-muted);
}

.sidebar-social a {
  color: inherit;
  display: inline-flex;
  transition: color 0.15s ease;
}

.sidebar-social a:hover {
  color: var(--color-links);
}

.sidebar-social svg {
  width: 1rem;
  height: 1rem;
}

@media (min-width: 900px) {
  .sidebar-social {
    margin-top: auto;
  }
}

/* ---------- Main Content ---------- */
.site-main {
  flex: 1;
  min-width: 0;
  width: 100%;
  max-width: 52rem;
  margin-inline: auto;
  padding: 2.5rem 1.5rem 3rem;
}

@media (min-width: 900px) {
  .site-main {
    padding: 4rem 3rem 5rem;
  }
}

/* ---------- Gallery Header ---------- */
.gallery-header {
  margin-bottom: 3rem;
}

.eyebrow {
  font-family: var(--font-sans);
  font-size: 0.6875rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--color-text-muted);
  margin-bottom: 0.75rem;
}

.gallery-header h1 {
  font-size: clamp(2rem, 4vw, 2.75rem);
  line-height: 1.12;
  letter-spacing: -0.025em;
  margin-bottom: 0.75rem;
}

.gallery-header .subtitle {
  font-family: var(--font-serif);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--color-text-muted);
  max-width: 34rem;
}

/* ---------- Game Group ---------- */
.game-group {
  margin-bottom: 3rem;
}

.game-group:last-child {
  margin-bottom: 0;
}

.game-group-heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 1.25rem;
}

.game-group-heading h2 {
  font-size: 0.8125rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--color-text-muted);
}

.game-group-count {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

/* ---------- Card Grid ---------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(1, 1fr);
  gap: 1.25rem;
}

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

@media (min-width: 820px) {
  .card-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ---------- Playable Card ---------- */
.playable-card {
  display: flex;
  flex-direction: column;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: 0.5rem;
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.playable-card:hover {
  border-color: var(--color-links);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
  transform: translateY(-2px);
}

html.dark .playable-card:hover {
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}

.playable-card-thumb {
  aspect-ratio: 3 / 2;
  background-color: var(--color-code-bg);
  overflow: hidden;
  position: relative;
}

.playable-card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}

.playable-card:hover .playable-card-thumb img {
  transform: scale(1.03);
}

/* Placeholder when no thumbnail */
.playable-card-thumb-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--color-text-muted);
  opacity: 0.5;
  background: linear-gradient(135deg, var(--color-code-bg), var(--color-bg));
}

.playable-card-body {
  padding: 1rem 1.125rem 1.125rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  flex: 1;
}

.playable-card-title {
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.3;
  color: var(--color-headings);
}

.playable-card:hover .playable-card-title {
  color: var(--color-links);
}

.playable-card-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.375rem;
  margin-top: auto;
  padding-top: 0.25rem;
}

.playable-tag {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 0.6875rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.2em 0.6em;
  border-radius: 0.25rem;
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
  background: transparent;
}

.playable-tag--game {
  color: var(--color-accent);
  border-color: var(--color-accent);
  opacity: 0.8;
}

.playable-tag--type {
  color: var(--color-links);
  border-color: var(--color-links);
  opacity: 0.7;
}

/* ---------- Footer ---------- */
.site-footer {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  padding: 1.5rem;
  padding-bottom: calc(1.5rem + env(safe-area-inset-bottom));
  border-top: 1px solid var(--color-border);
  font-family: var(--font-sans);
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.site-footer a {
  color: inherit;
}

.site-footer a:hover {
  color: var(--color-links);
}

@media (min-width: 900px) {
  .site-footer {
    padding-inline: 3rem;
  }
}

/* ================================================
   Player Page Styles
   ================================================ */

/* ---------- Player Shell ---------- */
.player-shell {
  display: flex;
  flex-direction: column;
  height: 100vh;
  height: 100dvh;
  overflow: hidden;
  background: var(--color-bg);
}

/* ---------- Player Header ---------- */
.player-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.625rem 1rem;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface);
  flex-shrink: 0;
  z-index: 10;
}

.back-link {
  font-family: var(--font-sans);
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-text-muted);
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
}

.back-link:hover {
  color: var(--color-links);
}

.back-link svg {
  width: 0.875rem;
  height: 0.875rem;
}

.player-title {
  font-family: var(--font-sans);
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-headings);
  text-align: center;
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.player-controls {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
}

/* ---------- Size Presets ---------- */
.size-presets {
  display: inline-flex;
  align-items: center;
  padding: 2px;
  border: 1px solid var(--color-border);
  border-radius: 1.25rem;
  background: var(--color-bg);
  gap: 2px;
}

.size-preset-btn {
  appearance: none;
  border: 0;
  border-radius: 1rem;
  background: transparent;
  color: var(--color-text-muted);
  padding: 0.3rem 0.6rem;
  font-size: 0.875rem;
  line-height: 1;
  cursor: pointer;
  transition: color 0.15s ease, background 0.15s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.size-preset-btn:hover {
  color: var(--color-text);
}

.size-preset-btn.active {
  color: var(--color-accent);
  background: var(--color-accent);
  color: #fff;
}

html.dark .size-preset-btn.active {
  background: var(--color-accent);
  color: #141827;
}

/* ---------- Player Theme Toggle ---------- */
.player-theme-btn {
  appearance: none;
  border: 1px solid var(--color-border);
  border-radius: 50%;
  background: transparent;
  color: var(--color-text-muted);
  width: 2rem;
  height: 2rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: color 0.15s ease, border-color 0.15s ease;
}

.player-theme-btn:hover {
  color: var(--color-text);
  border-color: var(--color-links);
}

.player-theme-btn svg {
  width: 1rem;
  height: 1rem;
}

/* ---------- Player Frame ---------- */
.player-frame {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  padding: 1.5rem;
  background: var(--color-bg);
  min-height: 0;
  min-width: 0;
}

.player-frame iframe {
  border: 1px solid var(--color-border);
  border-radius: 0.375rem;
  background: #fff;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
  width: auto;
  height: 100%;
  max-width: 100%;
  max-height: 100%;
}

html.dark .player-frame iframe {
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.4);
}

/* ---------- Empty State ---------- */
.empty-state {
  text-align: center;
  padding: 4rem 2rem;
  color: var(--color-text-muted);
  font-family: var(--font-serif);
}

/* ---------- Reduced Motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}