/* =============================================
   THE PLAYGROUND — style.css
   Sci-fi / retro-futuristic dashboard
   ============================================= */

:root {
  --bg:         #080c14;
  --bg-panel:   #0c1220;
  --bg-card:    #0f1826;
  --border:     #1a2a44;
  --border-hi:  #1e4080;
  --accent:     #2b7fff;
  --accent-dim: #1a4a99;
  --green:      #1aba7a;
  --amber:      #e89c2a;
  --red:        #e8504a;
  --text-1:     #d8e8ff;
  --text-2:     #7a9cc4;
  --text-3:     #3a5a80;
  --font-mono:  'Share Tech Mono', monospace;
  --font-body:  'Exo 2', sans-serif;
  --radius:     6px;
  --radius-lg:  10px;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--text-1);
  font-family: var(--font-body);
  font-size: 14px;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ---- Background ---- */
.bg-grid {
  position: fixed; inset: 0; pointer-events: none; z-index: 0;
  background-image:
    linear-gradient(rgba(43,127,255,0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(43,127,255,0.05) 1px, transparent 1px);
  background-size: 40px 40px;
}

.scanline {
  position: fixed; top: 0; left: 0; right: 0; height: 2px;
  background: linear-gradient(90deg, transparent, rgba(43,127,255,0.4), transparent);
  animation: scandown 6s linear infinite;
  pointer-events: none; z-index: 1;
}
@keyframes scandown { 0% { top: 0; } 100% { top: 100vh; } }

/* ---- Shell ---- */
.shell {
  position: relative; z-index: 2;
  max-width: 1100px;
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem;
}

/* ---- Header ---- */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
  gap: 1rem;
}

.header-left { display: flex; align-items: center; gap: 1rem; }

.logo-mark {
  width: 48px; height: 48px;
  border: 1px solid var(--accent-dim);
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--accent);
  background: rgba(43,127,255,0.08);
  flex-shrink: 0;
  animation: logo-glow 3s ease-in-out infinite;
}
@keyframes logo-glow {
  0%,100% { box-shadow: 0 0 8px rgba(43,127,255,0.2); }
  50% { box-shadow: 0 0 18px rgba(43,127,255,0.5); }
}

.site-title {
  font-family: var(--font-body);
  font-size: 26px;
  font-weight: 600;
  color: var(--text-1);
  line-height: 1.2;
}
.site-title span { color: var(--accent); }

.site-sub {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-3);
  margin-top: 3px;
}

.status-pill {
  display: flex; align-items: center; gap: 7px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--green);
  background: rgba(26,186,122,0.08);
  border: 1px solid rgba(26,186,122,0.25);
  border-radius: 20px;
  padding: 5px 14px;
}
.status-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--green);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse { 0%,100%{opacity:1} 50%{opacity:0.3} }

/* ---- Stats bar ---- */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  margin-bottom: 1.5rem;
}

.stat-box {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.stat-label {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
.stat-val {
  font-size: 24px;
  font-weight: 600;
  color: var(--text-1);
}
.stat-val.live { color: var(--green); }
.stat-val.wip  { color: var(--amber); }

/* ---- Filter bar ---- */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 1.5rem;
}

.filter-btn {
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 5px 14px;
  border: 1px solid var(--border);
  border-radius: 20px;
  background: transparent;
  color: var(--text-2);
  cursor: pointer;
  transition: all 0.15s;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.filter-btn:hover {
  border-color: var(--accent-dim);
  color: var(--accent);
}
.filter-btn.active {
  border-color: var(--accent);
  color: var(--accent);
  background: rgba(43,127,255,0.1);
}

/* ---- Experiment grid ---- */
.exp-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 14px;
}

/* ---- Experiment card ---- */
.exp-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 1.2rem;
  position: relative;
  overflow: hidden;
  transition: border-color 0.2s, transform 0.15s;
  display: flex;
  flex-direction: column;
  gap: 8px;
  animation: fade-in 0.4s ease both;
}
.exp-card:hover {
  border-color: var(--border-hi);
  transform: translateY(-2px);
}
.exp-card.has-link { cursor: pointer; }
.exp-card.has-link:hover { border-color: var(--accent-dim); }

@keyframes fade-in {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Corner accent */
.exp-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 40px; height: 40px;
  border-top: 1px solid var(--accent-dim);
  border-left: 1px solid var(--accent-dim);
  border-radius: var(--radius-lg) 0 0 0;
  opacity: 0.5;
}

.card-category {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.card-icon {
  font-size: 26px;
  line-height: 1;
}

.card-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-1);
  line-height: 1.3;
}

.card-desc {
  font-size: 12px;
  color: var(--text-2);
  line-height: 1.6;
  flex: 1;
}

.card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 4px;
}

.badge {
  font-family: var(--font-mono);
  font-size: 10px;
  padding: 3px 10px;
  border-radius: 20px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.badge-live { background: rgba(26,186,122,0.12); color: var(--green); border: 1px solid rgba(26,186,122,0.3); }
.badge-wip  { background: rgba(232,156,42,0.12); color: var(--amber); border: 1px solid rgba(232,156,42,0.3); }
.badge-idea { background: rgba(58,90,128,0.2);  color: var(--text-2); border: 1px solid var(--border); }

.card-arrow {
  font-size: 14px;
  color: var(--text-3);
  transition: color 0.15s, transform 0.15s;
}
.exp-card.has-link:hover .card-arrow {
  color: var(--accent);
  transform: translateX(3px);
}

/* ---- Add new card ---- */
.add-card {
  background: transparent;
  border: 1px dashed var(--border);
  border-radius: var(--radius-lg);
  padding: 1.2rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  cursor: pointer;
  min-height: 160px;
  transition: border-color 0.2s, color 0.2s;
  color: var(--text-3);
  font-family: var(--font-mono);
  font-size: 11px;
  text-align: center;
  text-decoration: none;
}
.add-card:hover { border-color: var(--accent-dim); color: var(--accent); }
.add-plus { font-size: 24px; font-weight: 300; line-height: 1; }

/* ---- Section label ---- */
.section-label {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-3);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  margin-bottom: 0.75rem;
  grid-column: 1 / -1;
  padding-top: 0.5rem;
}

/* ---- Footer ---- */
.footer {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 3rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-3);
}

/* ---- Responsive ---- */
@media (max-width: 640px) {
  .stats-bar { grid-template-columns: repeat(2, 1fr); }
  .header { flex-direction: column; align-items: flex-start; }
  .exp-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 400px) {
  .exp-grid { grid-template-columns: 1fr; }
}