/* ==========================================================================
   AMBIO LABS — BESPOKE DESIGN SYSTEM & COMPONENT ARCHITECTURE
   High-precision, technical, and editorial aesthetic for Android Developer Hub.
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600;700&display=swap');

:root {
  --bg-deep: #030706;
  --bg-surface: #06110C;
  --bg-card: rgba(10, 24, 18, 0.75);
  --bg-card-hover: rgba(14, 34, 25, 0.85);
  --bg-elevated: #0C1E16;
  
  --border-dim: rgba(255, 255, 255, 0.06);
  --border-subtle: rgba(22, 56, 43, 0.65);
  --border-neon: rgba(16, 245, 161, 0.35);
  --border-neon-strong: rgba(16, 245, 161, 0.8);
  
  --brand-neon: #10F5A1;
  --brand-neon-light: #5FF7BC;
  --brand-hover: #05DF88;
  --brand-active: #04C779;
  --brand-glow: rgba(16, 245, 161, 0.3);
  --brand-muted: #809C91;
  --brand-dim: #4B6357;
  
  --ease-spring: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
}

/* Base resets & typography */
html {
  background-color: var(--bg-deep);
  color: #F8FAFC;
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

code, kbd, samp, pre, .font-mono {
  font-family: 'JetBrains Mono', ui-monospace, SFMono-Regular, monospace;
}

::selection {
  background-color: var(--brand-neon);
  color: var(--bg-deep);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 7px;
  height: 7px;
}
::-webkit-scrollbar-track {
  background: var(--bg-deep);
}
::-webkit-scrollbar-thumb {
  background: #133327;
  border-radius: 9999px;
}
::-webkit-scrollbar-thumb:hover {
  background: var(--brand-dim);
}

/* Background Grids & Ambient Lights */
.bg-ambient-matrix {
  background-color: var(--bg-deep);
  background-image: 
    radial-gradient(ellipse 80% 50% at 50% -10%, rgba(16, 245, 161, 0.13) 0%, transparent 60%),
    radial-gradient(circle 600px at 90% 40%, rgba(5, 223, 136, 0.05) 0%, transparent 60%),
    radial-gradient(circle 500px at 10% 70%, rgba(16, 245, 161, 0.04) 0%, transparent 50%);
}

.mesh-grid {
  background-size: 40px 40px;
  background-image: 
    linear-gradient(to right, rgba(22, 56, 43, 0.22) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(22, 56, 43, 0.22) 1px, transparent 1px);
  mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, black 30%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 30%, black 30%, transparent 100%);
}

/* Glass Panels with Gradient Borders */
.glass-panel-tech {
  background: var(--bg-card);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--border-subtle);
  box-shadow: 0 20px 50px -15px rgba(0, 0, 0, 0.8), 0 0 0 1px rgba(255, 255, 255, 0.03) inset;
  transition: all 0.3s var(--ease-spring);
}
.glass-panel-tech:hover {
  border-color: var(--border-neon);
  box-shadow: 0 24px 60px -15px rgba(0, 0, 0, 0.85), 0 0 30px -5px rgba(16, 245, 161, 0.15), 0 0 0 1px rgba(16, 245, 161, 0.2) inset;
}

/* Interactive Device Simulator Mockup */
.device-frame {
  position: relative;
  width: 100%;
  max-width: 380px;
  height: 560px;
  background: #020504;
  border-radius: 44px;
  border: 3px solid rgba(22, 56, 43, 0.8);
  box-shadow: 
    0 0 0 1px rgba(16, 245, 161, 0.25),
    0 25px 60px -10px rgba(0, 0, 0, 0.9),
    0 0 40px -5px rgba(16, 245, 161, 0.2);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.device-notch {
  width: 90px;
  height: 20px;
  background: #020504;
  border-bottom-left-radius: 14px;
  border-bottom-right-radius: 14px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  z-index: 20;
}
.device-camera {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #0c1a14;
  border: 1px solid rgba(16, 245, 161, 0.3);
}

.device-screen {
  flex: 1;
  background: #050c08;
  padding: 16px;
  overflow-y: auto;
  position: relative;
  display: flex;
  flex-direction: column;
}

/* Tactile Buttons */
.btn-neon-cta {
  background-color: var(--brand-neon);
  color: #030706;
  font-weight: 700;
  transition: all 0.2s var(--ease-spring);
  box-shadow: 0 0 25px -4px rgba(16, 245, 161, 0.45);
}
.btn-neon-cta:hover {
  background-color: var(--brand-neon-light);
  transform: translateY(-2px);
  box-shadow: 0 0 35px -2px rgba(16, 245, 161, 0.65);
}
.btn-neon-cta:active {
  transform: scale(0.97);
  background-color: var(--brand-active);
}

.btn-terminal-action {
  background: rgba(10, 24, 18, 0.85);
  color: #F8FAFC;
  border: 1px solid var(--border-subtle);
  transition: all 0.2s var(--ease-spring);
}
.btn-terminal-action:hover {
  background: rgba(16, 40, 30, 0.95);
  border-color: var(--border-neon);
  color: var(--brand-neon);
  transform: translateY(-1px);
}
.btn-terminal-action:active {
  transform: scale(0.97);
}

/* Copy chip */
.copy-chip {
  cursor: pointer;
  transition: all 0.2s var(--ease-spring);
}
.copy-chip:hover {
  border-color: var(--brand-neon);
  background: rgba(16, 245, 161, 0.12);
}
.copy-chip:active {
  transform: scale(0.96);
}

/* Horizontal Ticker / Spec Tape */
.spec-ticker {
  background: rgba(6, 17, 12, 0.8);
  border-top: 1px solid var(--border-dim);
  border-bottom: 1px solid var(--border-dim);
}

/* Animated Floating Elements */
@keyframes floatGentle {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-6px); }
}
.animate-float-gentle {
  animation: floatGentle 4s ease-in-out infinite;
}

@keyframes pulseGlow {
  0%, 100% { opacity: 0.4; transform: scale(1); }
  50% { opacity: 0.8; transform: scale(1.05); }
}
.animate-pulse-glow {
  animation: pulseGlow 3s ease-in-out infinite;
}

/* Toast alert notification */
#toast-notification {
  transform: translateY(100px);
  opacity: 0;
  pointer-events: none;
  transition: all 0.3s var(--ease-spring);
}
#toast-notification.show {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

/* Screenshot scroller */
.screenshot-scroller {
  scrollbar-width: thin;
  scrollbar-color: var(--border-subtle) transparent;
  scroll-snap-type: x mandatory;
}
.screenshot-scroller > * {
  scroll-snap-align: start;
}

/* Accessibility */
@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;
  }
}