/* thebitdoodler — hand-drawn tech doodle gallery */

:root {
  --bg: #0c1018;
  --bg-card: #141c2b;
  --bg-elevated: #1c2739;
  --ink: #e8edf5;
  --ink-muted: #7a8da8;
  --accent: #f97316;
  --accent-2: #22d3ee;
  --accent-3: #fbbf24;
  --accent-4: #3b82f6;
  --sketch: #ffffff;
  --border-sketch: 2px solid var(--ink);
  --shadow-sketch: 4px 4px 0 var(--accent);
  --radius: 2px;
  --font-display: "Caveat", cursive;
  --font-body: "Space Grotesk", system-ui, sans-serif;
  --transition: 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
}

[data-theme="light"] {
  --bg: #f0f4f8;
  --bg-card: #ffffff;
  --bg-elevated: #e8edf2;
  --ink: #0f172a;
  --ink-muted: #64748b;
  --sketch: #1a1a2e;
  --border-sketch: 2px solid var(--ink);
  --shadow-sketch: 4px 4px 0 var(--accent);
}

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--ink);
  min-height: 100vh;
  overflow-x: hidden;
  line-height: 1.6;
}

/* Sketch canvas background */
#sketch-canvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.35;
}

/* Layout */
.page-wrap {
  position: relative;
  z-index: 1;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem 4rem;
}

/* Nav */
.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: blur(12px);
  border-bottom: 2px dashed color-mix(in srgb, var(--ink-muted) 30%, transparent);
}

.logo {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 700;
  color: var(--ink);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  transition: transform var(--transition);
}

.logo:hover { transform: rotate(-2deg) scale(1.02); }

.logo-bit {
  color: var(--accent);
  text-decoration: underline wavy var(--accent-2);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.icon-btn {
  width: 42px;
  height: 42px;
  border: var(--border-sketch);
  background: var(--bg-card);
  border-radius: var(--radius);
  cursor: pointer;
  display: grid;
  place-items: center;
  font-size: 1.1rem;
  transition: all var(--transition);
  box-shadow: 2px 2px 0 var(--ink-muted);
  color: var(--ink);
}

.icon-btn:hover {
  transform: translate(-2px, -2px);
  box-shadow: 4px 4px 0 var(--accent);
}

/* Hero */
.hero {
  padding: 3rem 0 2.5rem;
  text-align: center;
}

.hero-badge {
  display: inline-block;
  font-family: var(--font-display);
  font-size: 1.25rem;
  padding: 0.25rem 1rem;
  border: var(--border-sketch);
  border-radius: 999px;
  background: var(--accent-3);
  color: var(--ink);
  transform: rotate(-2deg);
  margin-bottom: 1rem;
  box-shadow: var(--shadow-sketch);
}

.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(3rem, 8vw, 5.5rem);
  line-height: 1.1;
  margin-bottom: 0.75rem;
}

.hero h1 .highlight {
  color: var(--accent);
  position: relative;
  display: inline-block;
}

.hero h1 .highlight::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0.1em;
  height: 0.15em;
  background: var(--accent-2);
  opacity: 0.5;
  z-index: -1;
  transform: skewX(-12deg);
}

.hero-tagline {
  font-size: 1.15rem;
  color: var(--ink-muted);
  max-width: 520px;
  margin: 0 auto 2rem;
}

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
}

.stat {
  text-align: center;
}

.stat-num {
  font-family: var(--font-display);
  font-size: 2.5rem;
  color: var(--accent-2);
  line-height: 1;
}

.stat-label {
  font-size: 0.8rem;
  color: var(--ink-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* Search & filters */
.controls {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 2rem;
}

.search-box {
  position: relative;
}

.search-box input {
  width: 100%;
  padding: 0.9rem 1rem 0.9rem 3rem;
  font-family: var(--font-body);
  font-size: 1rem;
  border: var(--border-sketch);
  border-radius: var(--radius);
  background: var(--bg-card);
  color: var(--ink);
  box-shadow: var(--shadow-sketch);
  outline: none;
  transition: box-shadow var(--transition);
}

.search-box input:focus {
  box-shadow: 6px 6px 0 var(--accent-2);
}

.search-box input::placeholder { color: var(--ink-muted); }

.search-icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.1rem;
  pointer-events: none;
}

.filter-pills {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.pill {
  padding: 0.45rem 1rem;
  border: var(--border-sketch);
  border-radius: 999px;
  background: var(--bg-card);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 0.85rem;
  cursor: pointer;
  transition: all var(--transition);
  box-shadow: 2px 2px 0 var(--ink-muted);
}

.pill:hover, .pill.active {
  background: var(--accent);
  color: white;
  transform: translateY(-2px);
  box-shadow: 3px 3px 0 var(--ink);
}

.pill.active { background: var(--accent-4); }

/* Gallery grid */
.section-title {
  font-family: var(--font-display);
  font-size: 2rem;
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.5rem;
}

.doodle-card {
  position: relative;
  border: var(--border-sketch);
  border-radius: var(--radius);
  background: var(--bg-card);
  overflow: hidden;
  cursor: pointer;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-sketch);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.doodle-card:hover {
  transform: translate(-3px, -3px);
  box-shadow: 6px 6px 0 var(--accent);
}

.doodle-card:active {
  transform: translate(-1px, -1px);
  box-shadow: 3px 3px 0 var(--accent);
}

.doodle-card.featured {
  grid-column: span 1;
}

.doodle-card.featured:first-child {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: 1fr 1fr;
}

@media (max-width: 700px) {
  .doodle-card.featured:first-child {
    grid-template-columns: 1fr;
  }
}

.card-thumb {
  aspect-ratio: 4/3;
  overflow: hidden;
  background: var(--bg-elevated);
  position: relative;
}

.card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  transition: transform 0.5s ease;
}

.doodle-card:hover .card-thumb img {
  transform: scale(1.05);
}

.card-emoji {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  font-size: 1.75rem;
  filter: drop-shadow(2px 2px 0 var(--bg));
}

.card-gumroad {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.2rem 0.5rem;
  background: var(--accent-2);
  color: #0f172a;
  border: 2px solid var(--ink);
  border-radius: 999px;
  box-shadow: 2px 2px 0 var(--ink);
}

.card-price {
  position: absolute;
  bottom: 0.75rem;
  right: 0.75rem;
  font-size: 0.8rem;
  font-weight: 700;
  padding: 0.2rem 0.55rem;
  background: var(--accent-3);
  border: 2px solid var(--ink);
  border-radius: var(--radius);
  box-shadow: 2px 2px 0 var(--ink);
}

.card-type {
  position: absolute;
  bottom: 0.75rem;
  left: 0.75rem;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.2rem 0.55rem;
  background: color-mix(in srgb, var(--bg) 80%, transparent);
  border: 1px solid var(--ink-muted);
  border-radius: 999px;
  backdrop-filter: blur(4px);
}

.card-body {
  padding: 1.25rem;
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.card-category {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent-2);
  font-weight: 600;
}

.card-title {
  font-family: var(--font-display);
  font-size: 1.6rem;
  line-height: 1.2;
}

.card-subtitle {
  font-size: 0.85rem;
  color: var(--ink-muted);
}

.card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.35rem;
  margin-top: auto;
  padding-top: 0.75rem;
}

.tag {
  font-size: 0.7rem;
  padding: 0.15rem 0.5rem;
  border: 1px dashed var(--ink-muted);
  border-radius: 999px;
  color: var(--ink-muted);
}

/* Sketch decoration */
.sketch-line {
  width: 100%;
  height: 3px;
  background: repeating-linear-gradient(
    90deg,
    var(--accent) 0 8px,
    transparent 8px 16px
  );
  margin: 3rem 0;
  opacity: 0.5;
}

/* About section */
.about {
  margin-top: 3rem;
  padding: 2rem;
  border: var(--border-sketch);
  border-radius: var(--radius);
  background: var(--bg-card);
  box-shadow: var(--shadow-sketch);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  align-items: center;
}

@media (max-width: 700px) {
  .about { grid-template-columns: 1fr; }
}

.about h2 {
  font-family: var(--font-display);
  font-size: 2.5rem;
  margin-bottom: 0.75rem;
}

.about p {
  color: var(--ink-muted);
  margin-bottom: 1rem;
}

.social-links {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.social-link {
  padding: 0.5rem 1rem;
  border: var(--border-sketch);
  border-radius: var(--radius);
  background: var(--bg-elevated);
  color: var(--ink);
  text-decoration: none;
  font-size: 0.85rem;
  transition: all var(--transition);
  box-shadow: 2px 2px 0 var(--ink-muted);
}

.social-link:hover {
  background: var(--accent-2);
  color: var(--bg);
  transform: translate(-2px, -2px);
  box-shadow: 4px 4px 0 var(--ink);
}

.doodle-canvas-mini {
  width: 100%;
  height: 200px;
  border: var(--border-sketch);
  border-radius: var(--radius);
  background: var(--bg);
}

/* Footer */
.footer {
  text-align: center;
  padding: 2rem 0 1rem;
  color: var(--ink-muted);
  font-size: 0.85rem;
}

.footer a { color: var(--accent); }

/* Viewer page */
.viewer-page .page-wrap { max-width: 1100px; }

.viewer-back {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  border: var(--border-sketch);
  border-radius: var(--radius);
  background: var(--bg-card);
  color: var(--ink);
  text-decoration: none;
  font-size: 0.9rem;
  margin-bottom: 1.5rem;
  box-shadow: 2px 2px 0 var(--ink-muted);
  transition: all var(--transition);
}

.viewer-back:hover {
  transform: translate(-2px, -2px);
  box-shadow: 4px 4px 0 var(--accent);
}

.viewer-header {
  margin-bottom: 1.5rem;
}

.viewer-header h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3rem);
  margin-bottom: 0.25rem;
}

.viewer-header .subtitle {
  color: var(--ink-muted);
  font-size: 1.1rem;
}

.viewer-toolbar {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.toolbar-btn {
  padding: 0.5rem 1rem;
  border: var(--border-sketch);
  border-radius: var(--radius);
  background: var(--bg-card);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 0.85rem;
  cursor: pointer;
  transition: all var(--transition);
  box-shadow: 2px 2px 0 var(--ink-muted);
}

.toolbar-btn:hover {
  background: var(--accent-3);
  transform: translateY(-2px);
}

.gumroad-btn {
  background: var(--accent-2);
  color: #0f172a;
  font-weight: 600;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
}

.gumroad-btn:hover {
  background: #06b6d4;
  color: #0f172a;
}

.viewer-stage {
  position: relative;
  border: var(--border-sketch);
  border-radius: var(--radius);
  background: var(--bg-elevated);
  background-image:
    linear-gradient(color-mix(in srgb, var(--ink-muted) 8%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in srgb, var(--ink-muted) 8%, transparent) 1px, transparent 1px);
  background-size: 24px 24px;
  overflow: hidden;
  min-height: 60vh;
  height: 65vh;
  box-shadow: var(--shadow-sketch);
  cursor: grab;
  touch-action: none;
  user-select: none;
}

.viewer-stage.dragging { cursor: grabbing; }

.viewer-layer {
  position: absolute;
  top: 0;
  left: 0;
  will-change: transform;
  transform-origin: 0 0;
}

.viewer-layer img {
  display: block;
  max-width: none;
  width: auto;
  height: auto;
  pointer-events: none;
  user-select: none;
  -webkit-user-drag: none;
}

.viewer-loader {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  background: color-mix(in srgb, var(--bg-elevated) 90%, transparent);
  z-index: 2;
  color: var(--ink-muted);
  transition: opacity 0.3s ease;
}

.viewer-loader.is-hidden {
  opacity: 0;
  pointer-events: none;
}

.viewer-stage.is-loading .viewer-layer {
  opacity: 0.3;
}

.viewer-info {
  margin-top: 2rem;
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 1.5rem;
}

@media (max-width: 800px) {
  .viewer-info { grid-template-columns: 1fr; }
}

.info-box {
  padding: 1.5rem;
  border: var(--border-sketch);
  border-radius: var(--radius);
  background: var(--bg-card);
  box-shadow: 2px 2px 0 var(--ink-muted);
}

.info-box h3 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  margin-bottom: 0.75rem;
}

.info-box ul {
  list-style: none;
  padding: 0;
}

.info-box li {
  padding: 0.4rem 0;
  padding-left: 1.25rem;
  position: relative;
  color: var(--ink-muted);
  font-size: 0.95rem;
}

.info-box li::before {
  content: "→";
  position: absolute;
  left: 0;
  color: var(--accent-2);
}

.nav-doodles {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.nav-doodle-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.6rem;
  border: 1px dashed var(--ink-muted);
  border-radius: var(--radius);
  text-decoration: none;
  color: var(--ink);
  font-size: 0.85rem;
  transition: all var(--transition);
}

.nav-doodle-link:hover, .nav-doodle-link.current {
  border-style: solid;
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 10%, transparent);
}

.nav-doodle-link img {
  width: 48px;
  height: 36px;
  object-fit: cover;
  border-radius: 2px;
}

/* Loading & empty states */
.loading, .empty-state {
  text-align: center;
  padding: 4rem 2rem;
  color: var(--ink-muted);
}

.loading-spinner {
  width: 40px;
  height: 40px;
  border: 3px dashed var(--accent);
  border-radius: 50%;
  margin: 0 auto 1rem;
  animation: spin 1s linear infinite;
}

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

.empty-state .emoji { font-size: 3rem; margin-bottom: 1rem; }

/* Random doodle floating button */
.fab {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 56px;
  height: 56px;
  border: var(--border-sketch);
  border-radius: 50%;
  background: var(--accent);
  color: white;
  font-size: 1.5rem;
  cursor: pointer;
  box-shadow: 4px 4px 0 var(--ink);
  z-index: 50;
  transition: all var(--transition);
  display: grid;
  place-items: center;
}

.fab:hover {
  transform: scale(1.1) rotate(15deg);
  box-shadow: 6px 6px 0 var(--accent-2);
}

/* Card entrance animation */
.doodle-card {
  opacity: 0;
  transform: translateY(20px);
  animation: cardIn 0.5s ease forwards;
}

@keyframes cardIn {
  to { opacity: 1; transform: translateY(0); }
}

.doodle-card:nth-child(1) { animation-delay: 0.05s; }
.doodle-card:nth-child(2) { animation-delay: 0.1s; }
.doodle-card:nth-child(3) { animation-delay: 0.15s; }
.doodle-card:nth-child(4) { animation-delay: 0.2s; }
.doodle-card:nth-child(5) { animation-delay: 0.25s; }
.doodle-card:nth-child(6) { animation-delay: 0.3s; }

/* Sketch reveal on viewer */
.sketch-reveal {
  animation: sketchReveal 1.2s ease-out;
}

@keyframes sketchReveal {
  0% { filter: blur(8px); opacity: 0.3; }
  50% { filter: blur(2px); opacity: 0.7; }
  100% { filter: blur(0); opacity: 1; }
}

/* Lightbox */
body.lightbox-open {
  overflow: hidden;
}

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease;
}

.lightbox.is-open {
  opacity: 1;
  visibility: visible;
}

.lightbox-backdrop {
  position: absolute;
  inset: 0;
  background: color-mix(in srgb, var(--bg) 70%, black);
  backdrop-filter: blur(8px);
}

.lightbox-panel {
  position: relative;
  z-index: 1;
  width: min(1100px, 100%);
  max-height: 95vh;
  overflow-y: auto;
  background: var(--bg-card);
  border: var(--border-sketch);
  border-radius: var(--radius);
  box-shadow: 8px 8px 0 var(--accent);
  padding: 1.25rem;
  transform: translateY(12px) scale(0.98);
  transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.lightbox.is-open .lightbox-panel {
  transform: translateY(0) scale(1);
}

.lightbox-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 0.75rem;
}

.lightbox-meta h2 {
  font-family: var(--font-display);
  font-size: 1.75rem;
  line-height: 1.2;
}

.lightbox-subtitle {
  color: var(--ink-muted);
  font-size: 0.9rem;
  margin-top: 0.15rem;
}

.lightbox-actions {
  display: flex;
  gap: 0.5rem;
  flex-shrink: 0;
}

.lightbox-close-btn {
  font-size: 1rem;
}

.lightbox-toolbar {
  margin-bottom: 0.75rem;
}

.lightbox-stage {
  height: 55vh;
  min-height: 320px;
}

.lightbox-desc {
  margin-top: 1rem;
  color: var(--ink-muted);
  font-size: 0.9rem;
  line-height: 1.5;
}

.lightbox-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-top: 1rem;
}

.lightbox-arrow {
  width: 44px;
  height: 44px;
  border: var(--border-sketch);
  border-radius: var(--radius);
  background: var(--bg-elevated);
  color: var(--ink);
  font-size: 1.25rem;
  cursor: pointer;
  box-shadow: 2px 2px 0 var(--ink-muted);
  transition: all var(--transition);
  flex-shrink: 0;
}

.lightbox-arrow:hover:not(:disabled) {
  background: var(--accent);
  color: white;
  transform: translateY(-2px);
}

.lightbox-arrow:disabled {
  opacity: 0.35;
  cursor: not-allowed;
}

.lightbox-hint {
  font-size: 0.75rem;
  color: var(--ink-muted);
  text-align: center;
  flex: 1;
}

@media (max-width: 600px) {
  .lightbox-hint { display: none; }
  .lightbox-stage { height: 45vh; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}