/* ==========================================================================
   VYOM LABS — HANDCRAFTED HUMAN DEVELOPER DESIGN SYSTEM
   ========================================================================== */

:root {
  /* Deep Obsidian Base */
  --bg-obsidian: #07080a;
  --bg-surface: #0d0e12;
  --bg-card: #11131a;
  --bg-card-hover: #161922;

  /* Crisp Borders (No neon glows) */
  --border-subtle: #1a1c23;
  --border-medium: #262936;
  --border-highlight: #3b82f6;

  /* Category Badges */
  --badge-improved-bg: rgba(56, 189, 248, 0.1);
  --badge-improved-text: #38bdf8;

  --badge-fixed-bg: rgba(248, 113, 113, 0.1);
  --badge-fixed-text: #f87171;

  --badge-added-bg: rgba(52, 211, 153, 0.1);
  --badge-added-text: #34d399;

  --badge-changed-bg: rgba(251, 191, 36, 0.1);
  --badge-changed-text: #fbbf24;

  --badge-upcoming-bg: rgba(192, 132, 252, 0.1);
  --badge-upcoming-text: #c084fc;

  /* Typography */
  --text-main: #f8fafc;
  --text-sub: #94a3b8;
  --text-dim: #64748b;

  --font-heading: 'Space Grotesk', sans-serif;
  --font-body: 'Plus Jakarta Sans', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Transitions */
  --transition: all 0.2s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  width: 100%;
  min-height: 100vh;
  background-color: var(--bg-obsidian);
  color: var(--text-main);
  font-family: var(--font-body);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Subtle Dotted Micro-Grid */
.subpixel-grid {
  position: fixed;
  top: 0; left: 0; width: 100vw; height: 100vh;
  background-image: radial-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 32px 32px;
  pointer-events: none;
  z-index: 0;
}

.lab-wrapper {
  position: relative;
  z-index: 1;
  max-width: 1040px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

/* ==========================================================================
   HEADER / NAVIGATION
   ========================================================================== */
.lab-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.4rem;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
}

.brand-group {
  display: flex;
  align-items: center;
  gap: 0.65rem;
}

.brand-emblem-img {
  height: 30px;
  width: auto;
  object-fit: contain;
  display: block;
}
  font-weight: 700;
}

.brand-title {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: 1px;
}

.brand-dot {
  color: #38bdf8;
}

.env-badge {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-dim);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-subtle);
  padding: 0.15rem 0.5rem;
  border-radius: 6px;
  margin-left: 0.3rem;
}

/* Nav */
.lab-nav {
  display: flex;
  align-items: center;
  gap: 1.2rem;
}

.nav-link {
  color: var(--text-sub);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 500;
  transition: var(--transition);
}

.nav-link:hover {
  color: var(--text-main);
}

.nav-mono {
  font-family: var(--font-mono);
  color: #38bdf8;
}

.nav-btn {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: #fbbf24;
  background: rgba(251, 191, 36, 0.08);
  border: 1px solid rgba(251, 191, 36, 0.25);
  padding: 0.3rem 0.75rem;
  border-radius: 8px;
}

.nav-btn:hover {
  background: rgba(251, 191, 36, 0.18);
  color: #ffffff;
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero-section {
  margin: 4.5rem 0 5rem 0;
  text-align: left;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  padding: 0.35rem 0.85rem;
  border-radius: 20px;
  margin-bottom: 1.75rem;
}

.badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: #38bdf8;
}

.badge-text {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-sub);
  letter-spacing: 1px;
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 5.2vw, 4.4rem);
  font-weight: 800;
  line-height: 1.1;
  letter-spacing: -1.5px;
  max-width: 820px;
  margin-bottom: 1.5rem;
}

.title-highlight {
  color: #38bdf8;
}

.hero-desc {
  font-size: clamp(1.05rem, 1.8vw, 1.2rem);
  color: var(--text-sub);
  max-width: 700px;
  line-height: 1.65;
  margin-bottom: 2.25rem;
}

.code-text {
  font-family: var(--font-mono);
  color: #38bdf8;
  font-weight: 600;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.btn-primary {
  background: #ffffff;
  color: #07080a;
  border: none;
  padding: 0.8rem 1.5rem;
  border-radius: 10px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.92rem;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: var(--transition);
}

.btn-primary:hover {
  background: #e2e8f0;
  transform: translateY(-1px);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-main);
  border: 1px solid var(--border-medium);
  padding: 0.8rem 1.4rem;
  border-radius: 10px;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 0.88rem;
  text-decoration: none;
  transition: var(--transition);
}

.btn-secondary:hover {
  border-color: #38bdf8;
  color: #38bdf8;
}

/* ==========================================================================
   MANIFESTO SECTION
   ========================================================================== */
.manifesto-section, .workbench-section, .changelog-section, .connect-section {
  margin-bottom: 5rem;
  text-align: left;
}

.section-header {
  margin-bottom: 2rem;
}

.mono-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 1.5px;
  color: #38bdf8;
  display: block;
  margin-bottom: 0.4rem;
}

.section-header h2 {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.section-sub {
  font-size: 0.95rem;
  color: var(--text-sub);
  margin-top: 0.25rem;
}

.manifesto-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.25rem;
}

.manifesto-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 1.85rem;
  transition: var(--transition);
}

.manifesto-card:hover {
  border-color: var(--border-medium);
  background: var(--bg-card);
  transform: translateY(-2px);
}

.card-number {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 700;
  color: #38bdf8;
  margin-bottom: 1rem;
  display: block;
}

.manifesto-card h3 {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.manifesto-card p {
  font-size: 0.9rem;
  color: var(--text-sub);
  line-height: 1.6;
}

/* ==========================================================================
   WORKBENCH SECTION
   ========================================================================== */
.workbench-box {
  background: var(--bg-surface);
  border: 1px solid var(--border-medium);
  border-radius: 18px;
  padding: 1.85rem;
}

.wb-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.wb-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.wb-id {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.88rem;
}

.wb-tag {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  background: rgba(56, 189, 248, 0.1);
  color: #38bdf8;
  border: 1px solid rgba(56, 189, 248, 0.3);
  padding: 0.2rem 0.55rem;
  border-radius: 6px;
}

.log-btn {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-medium);
  color: var(--text-sub);
  padding: 0.4rem 0.85rem;
  border-radius: 8px;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  cursor: pointer;
  transition: var(--transition);
}

.log-btn:hover {
  color: var(--text-main);
  border-color: #38bdf8;
}

.wb-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.75rem;
}

.wb-details h3 {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 700;
  margin-bottom: 0.6rem;
}

.wb-details p {
  font-size: 0.92rem;
  color: var(--text-sub);
  margin-bottom: 1.25rem;
}

.wb-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--border-subtle);
  color: var(--text-sub);
  padding: 0.2rem 0.55rem;
  border-radius: 6px;
}

/* Terminal Box */
.terminal-container {
  background: #040507;
  border: 1px solid var(--border-medium);
  border-radius: 12px;
  overflow: hidden;
  font-family: var(--font-mono);
  font-size: 0.78rem;
}

.terminal-bar {
  background: rgba(255, 255, 255, 0.03);
  padding: 0.45rem 0.75rem;
  display: flex;
  align-items: center;
  gap: 0.35rem;
  border-bottom: 1px solid var(--border-subtle);
}

.dot { width: 9px; height: 9px; border-radius: 50%; }
.d-red { background: #ef4444; }
.d-yellow { background: #f59e0b; }
.d-green { background: #10b981; }

.term-name {
  margin-left: 0.4rem;
  font-size: 0.7rem;
  color: var(--text-dim);
}

.terminal-body {
  padding: 0.85rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.log { color: var(--text-sub); }
.time { color: var(--text-dim); }
.sys { color: #c084fc; font-weight: 600; }
.ok { color: #34d399; font-weight: 600; }
.info { color: #38bdf8; font-weight: 600; }
.prompt { color: #fbbf24; font-weight: 700; }

/* ==========================================================================
   VYOM CLOUD CHANGELOG SECTION
   ========================================================================== */
.changelog-list {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.release-card {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: 18px;
  padding: 1.85rem;
  transition: var(--transition);
}

.release-card:hover {
  border-color: var(--border-medium);
  background: var(--bg-card);
}

.release-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.release-version {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.version-tag {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.1rem;
  color: #ffffff;
}

.release-date {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-dim);
}

.release-status {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.2rem 0.6rem;
  border-radius: 6px;
}

.status-blue { background: rgba(96, 165, 250, 0.1); color: #60a5fa; }
.status-emerald { background: rgba(52, 211, 153, 0.1); color: #34d399; }
.status-purple { background: rgba(192, 132, 252, 0.1); color: #c084fc; }
.status-amber { background: rgba(251, 191, 36, 0.1); color: #fbbf24; }

.release-groups {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.change-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.group-badge {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-weight: 700;
  padding: 0.15rem 0.5rem;
  border-radius: 4px;
  width: fit-content;
  letter-spacing: 0.5px;
}

.badge-improved { background: var(--badge-improved-bg); color: var(--badge-improved-text); }
.badge-fixed { background: var(--badge-fixed-bg); color: var(--badge-fixed-text); }
.badge-added { background: var(--badge-added-bg); color: var(--badge-added-text); }
.badge-changed { background: var(--badge-changed-bg); color: var(--badge-changed-text); }
.badge-upcoming { background: var(--badge-upcoming-bg); color: var(--badge-upcoming-text); }

.change-list {
  list-style-type: none;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  padding-left: 0.2rem;
}

.change-list li {
  font-size: 0.92rem;
  color: var(--text-sub);
  position: relative;
  padding-left: 1.1rem;
}

.change-list li::before {
  content: '•';
  position: absolute;
  left: 0;
  color: var(--text-dim);
}

.upcoming-card {
  border-style: dashed;
}

/* ==========================================================================
   MINIMAL ACTION LINKS
   ========================================================================== */
.minimal-links-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem;
  margin: 1.5rem 0;
}

.pill-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.55rem 1.1rem;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--border-subtle);
  border-radius: 99px;
  color: var(--text-sub);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  text-decoration: none;
  transition: var(--transition);
}

.pill-link:hover {
  background: rgba(255, 255, 255, 0.06);
  border-color: var(--border-medium);
  color: #ffffff;
}

.pill-link .arrow {
  color: var(--text-dim);
  transition: transform 0.2s ease;
}

.pill-link:hover .arrow {
  transform: translate(2px, -2px);
  color: #ffffff;
}

.highlight-pill {
  border-color: rgba(251, 191, 36, 0.25);
  color: #fbbf24;
}

.highlight-pill:hover {
  background: rgba(251, 191, 36, 0.1);
  border-color: #fbbf24;
  color: #fbbf24;
}

/* ==========================================================================
   FOOTER (OPTION D - PURE MINIMAL)
   ========================================================================== */
.lab-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 2rem;
  border-top: 1px solid var(--border-subtle);
  font-size: 0.88rem;
  color: var(--text-dim);
}

.footer-brand {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.1rem;
  color: #ffffff;
}

.footer-right {
  font-family: var(--font-mono);
  color: var(--text-dim);
}

/* Responsive */
@media (max-width: 768px) {
  .lab-wrapper {
    padding: 1.25rem 1rem;
  }

  .lab-header {
    flex-direction: column;
    gap: 1rem;
    align-items: flex-start;
  }

  .lab-nav {
    flex-wrap: wrap;
    gap: 0.75rem;
  }

  .hero-section {
    margin: 2.5rem 0 3.5rem 0;
  }

  .hero-title {
    font-size: 2.3rem;
  }

  .wb-grid {
    grid-template-columns: 1fr;
  }

  .lab-footer {
    flex-direction: column;
    gap: 0.75rem;
    text-align: center;
  }
}

/* ==========================================================================
   OBS STUDIO STYLE RELEASE NOTES WINDOW MODAL
   ========================================================================== */
.nav-changelog-btn {
  background: rgba(56, 189, 248, 0.1);
  border: 1px solid rgba(56, 189, 248, 0.3);
  color: #38bdf8;
  padding: 0.3rem 0.75rem;
  border-radius: 8px;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  cursor: pointer;
  transition: var(--transition);
}

.nav-changelog-btn:hover {
  background: #38bdf8;
  color: #07080a;
}

/* Modal Overlay */
.obs-overlay {
  position: fixed;
  top: 0; left: 0; width: 100vw; height: 100vh;
  background: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(6px);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  transition: opacity 0.25s ease;
}

.obs-overlay.hidden {
  opacity: 0;
  pointer-events: none;
}

/* OBS Window Frame matching screenshot */
.obs-window {
  background: #1b1e28;
  border: 1px solid #2b3040;
  border-radius: 12px;
  width: 100%;
  max-width: 680px;
  height: 85vh;
  max-height: 720px;
  display: flex;
  flex-direction: column;
  box-shadow: 0 25px 60px rgba(0, 0, 0, 0.8);
  overflow: hidden;
  font-family: var(--font-body);
}

/* Window Titlebar */
.obs-titlebar {
  background: #141720;
  padding: 0.75rem 1.1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid #252a38;
}

.obs-titlebar-left {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 0.88rem;
  font-weight: 600;
  color: #e2e8f0;
}

.obs-close-btn {
  background: transparent;
  border: none;
  color: #94a3b8;
  font-size: 1.1rem;
  cursor: pointer;
  padding: 0.2rem 0.5rem;
  border-radius: 6px;
  transition: var(--transition);
}

.obs-close-btn:hover {
  background: #ef4444;
  color: #ffffff;
}

/* Sub-bar matching screenshot */
.obs-subbar {
  background: #181b24;
  padding: 0.65rem 1.25rem;
  font-size: 0.85rem;
  color: #cbd5e1;
  border-bottom: 1px solid #232836;
}

/* Scrollable Body */
.obs-body {
  flex: 1;
  padding: 1.5rem 1.75rem;
  overflow-y: auto;
  color: #e2e8f0;
}

/* Custom Scrollbar for OBS Window */
.obs-body::-webkit-scrollbar {
  width: 8px;
}

.obs-body::-webkit-scrollbar-track {
  background: #151822;
}

.obs-body::-webkit-scrollbar-thumb {
  background: #2d3345;
  border-radius: 4px;
}

.obs-body::-webkit-scrollbar-thumb:hover {
  background: #3b435b;
}

/* Typography matching OBS screenshot */
.obs-app-title {
  font-family: var(--font-heading);
  font-size: 1.85rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 0.5rem;
}

.obs-notice {
  font-size: 0.9rem;
  color: #94a3b8;
  margin-bottom: 1.75rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid #282e3d;
}

.obs-notice strong {
  color: #ffffff;
}

.obs-section {
  margin-bottom: 1.75rem;
}

.obs-section-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: #ffffff;
  margin: 1.2rem 0 0.6rem 0;
}

/* OBS Bullet List matching screenshot */
.obs-bullet-list {
  list-style: none;
  padding-left: 0;
  margin-bottom: 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.obs-bullet-list li {
  font-size: 0.9rem;
  color: #cbd5e1;
  line-height: 1.5;
  position: relative;
  padding-left: 1.4rem;
}

.obs-bullet-list li::before {
  content: '•';
  position: absolute;
  left: 0.3rem;
  top: 0;
  color: #ffffff;
  font-size: 1.1rem;
}