/* DroidCTRL Background Patterns and Graphics */

:root {
  /* Pattern colors */
  --pattern-primary: rgba(0, 212, 255, 0.1);
  --pattern-secondary: rgba(99, 102, 241, 0.08);
  --pattern-accent: rgba(245, 158, 11, 0.06);
  --pattern-muted: rgba(255, 255, 255, 0.02);
}

/* Circuit Pattern Background */
.pattern-circuit {
  background-image:
    radial-gradient(circle at 25% 25%, var(--pattern-primary) 2px, transparent 2px),
    radial-gradient(circle at 75% 75%, var(--pattern-secondary) 1px, transparent 1px),
    linear-gradient(45deg, transparent 40%, var(--pattern-muted) 41%, var(--pattern-muted) 42%, transparent 43%),
    linear-gradient(-45deg, transparent 40%, var(--pattern-muted) 41%, var(--pattern-muted) 42%, transparent 43%);
  background-size: 40px 40px, 60px 60px, 20px 20px, 20px 20px;
  background-position: 0 0, 0 0, 0 0, 0 0;
}

/* Grid Pattern */
.pattern-grid {
  background-image:
    linear-gradient(var(--pattern-muted) 1px, transparent 1px),
    linear-gradient(90deg, var(--pattern-muted) 1px, transparent 1px);
  background-size: 20px 20px;
}

/* Dot Pattern */
.pattern-dots {
  background-image:
    radial-gradient(circle, var(--pattern-primary) 1px, transparent 1px);
  background-size: 20px 20px;
}

/* Tech Lines Pattern */
.pattern-tech-lines {
  background-image:
    linear-gradient(45deg, var(--pattern-primary) 1px, transparent 1px),
    linear-gradient(-45deg, var(--pattern-secondary) 1px, transparent 1px);
  background-size: 30px 30px, 30px 30px;
  background-position: 0 0, 15px 15px;
}

/* Hexagon Pattern */
.pattern-hexagon {
  background-image:
    radial-gradient(circle at 50% 0, transparent 20%, var(--pattern-primary) 21%, var(--pattern-primary) 30%, transparent 31%),
    linear-gradient(0deg, transparent 24%, var(--pattern-muted) 25%, var(--pattern-muted) 26%, transparent 27%, transparent 74%, var(--pattern-muted) 75%, var(--pattern-muted) 76%, transparent 77%);
  background-size: 28px 48px;
}

/* Animated Circuit Pattern */
.pattern-circuit-animated {
  background:
    radial-gradient(circle at 25% 25%, var(--pattern-primary) 2px, transparent 2px),
    radial-gradient(circle at 75% 75%, var(--pattern-secondary) 1px, transparent 1px);
  background-size: 40px 40px, 60px 60px;
  position: relative;
  overflow: hidden;
}

.pattern-circuit-animated::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(0, 212, 255, 0.1),
    transparent
  );
  animation: scan 3s infinite;
}

@keyframes scan {
  0% { left: -100%; }
  100% { left: 100%; }
}

/* Particle Effect */
.pattern-particles {
  position: relative;
  overflow: hidden;
}

.pattern-particles::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image:
    radial-gradient(circle, var(--pattern-primary) 1px, transparent 1px),
    radial-gradient(circle, var(--pattern-secondary) 0.5px, transparent 0.5px);
  background-size: 50px 50px, 30px 30px;
  animation: float 20s infinite linear;
}

@keyframes float {
  0% { transform: translateY(0) translateX(0); }
  25% { transform: translateY(-10px) translateX(5px); }
  50% { transform: translateY(0) translateX(-5px); }
  75% { transform: translateY(10px) translateX(5px); }
  100% { transform: translateY(0) translateX(0); }
}

/* Code Matrix Effect */
.pattern-matrix {
  background: radial-gradient(ellipse at center, transparent 20%, var(--background-dark) 70%);
  position: relative;
  overflow: hidden;
}

.pattern-matrix::before {
  content: '01001000 01100101 01101100 01101100 01101111 00100000 01010111 01101111 01110010 01101100 01100100';
  position: absolute;
  top: 0;
  left: 0;
  width: 200%;
  height: 100%;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: rgba(0, 212, 255, 0.1);
  white-space: nowrap;
  overflow: hidden;
  animation: matrix-scroll 10s infinite linear;
}

@keyframes matrix-scroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* Neural Network Pattern */
.pattern-neural {
  background: radial-gradient(circle at 20% 20%, var(--pattern-primary) 2px, transparent 2px),
              radial-gradient(circle at 80% 20%, var(--pattern-secondary) 1.5px, transparent 1.5px),
              radial-gradient(circle at 50% 80%, var(--pattern-accent) 1px, transparent 1px);
  background-size: 60px 60px, 80px 80px, 40px 40px;
  position: relative;
}

.pattern-neural::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background:
    linear-gradient(45deg, transparent 48%, rgba(0, 212, 255, 0.1) 49%, rgba(0, 212, 255, 0.1) 51%, transparent 52%),
    linear-gradient(-45deg, transparent 48%, rgba(99, 102, 241, 0.08) 49%, rgba(99, 102, 241, 0.08) 51%, transparent 52%);
  background-size: 100px 100px, 120px 120px;
  animation: neural-pulse 4s infinite ease-in-out;
}

@keyframes neural-pulse {
  0%, 100% { opacity: 0.3; }
  50% { opacity: 0.7; }
}

/* Gradient Orbs */
.pattern-orbs {
  position: relative;
  overflow: hidden;
}

.pattern-orbs::before,
.pattern-orbs::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  filter: blur(40px);
  opacity: 0.3;
  animation: orb-float 8s infinite ease-in-out;
}

.pattern-orbs::before {
  top: 20%;
  left: 10%;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, #00d4ff, transparent);
  animation-delay: 0s;
}

.pattern-orbs::after {
  bottom: 20%;
  right: 10%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, #6366f1, transparent);
  animation-delay: 2s;
}

@keyframes orb-float {
  0%, 100% { transform: translateY(0px) scale(1); }
  50% { transform: translateY(-20px) scale(1.1); }
}

/* Neon Glow Effect */
.pattern-neon {
  position: relative;
}

.pattern-neon::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background:
    linear-gradient(45deg, transparent 30%, rgba(0, 212, 255, 0.1) 50%, transparent 70%),
    linear-gradient(-45deg, transparent 30%, rgba(99, 102, 241, 0.1) 50%, transparent 70%);
  background-size: 200% 200%;
  animation: neon-sweep 6s infinite;
}

@keyframes neon-sweep {
  0% { background-position: 0% 0%; }
  50% { background-position: 100% 100%; }
  100% { background-position: 0% 0%; }
}

/* Tech Border Effect */
.tech-border {
  position: relative;
  border: 1px solid var(--border-color);
}

.tech-border::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 2px;
  background: linear-gradient(45deg, var(--primary-color), var(--secondary-color), var(--primary-color));
  border-radius: inherit;
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask-composite: exclude;
  animation: tech-border-glow 3s infinite;
}

@keyframes tech-border-glow {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}

/* Holographic Effect */
.holographic {
  position: relative;
  background: linear-gradient(45deg, transparent 30%, rgba(0, 212, 255, 0.1) 50%, transparent 70%);
  background-size: 200% 200%;
  animation: holographic-shift 4s infinite;
}

@keyframes holographic-shift {
  0% { background-position: 0% 0%; }
  25% { background-position: 100% 0%; }
  50% { background-position: 100% 100%; }
  75% { background-position: 0% 100%; }
  100% { background-position: 0% 0%; }
}

/* Data Stream Effect */
.pattern-data-stream {
  position: relative;
  overflow: hidden;
}

.pattern-data-stream::before {
  content: '';
  position: absolute;
  top: -50%;
  left: 0;
  width: 100%;
  height: 200%;
  background: repeating-linear-gradient(
    90deg,
    transparent,
    transparent 2px,
    rgba(0, 212, 255, 0.1) 2px,
    rgba(0, 212, 255, 0.1) 4px
  );
  animation: data-flow 2s infinite linear;
}

@keyframes data-flow {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

/* Glitch Effect */
.glitch-effect {
  position: relative;
}

.glitch-effect::before,
.glitch-effect::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: inherit;
  opacity: 0.8;
}

.glitch-effect::before {
  animation: glitch-1 0.5s infinite;
  clip-path: polygon(0 2%, 100% 2%, 100% 5%, 0 5%);
  transform: translate(-2px);
}

.glitch-effect::after {
  animation: glitch-2 0.5s infinite;
  clip-path: polygon(0 78%, 100% 78%, 100% 100%, 0 100%);
  transform: translate(2px);
}

@keyframes glitch-1 {
  0%, 14%, 15%, 49%, 50%, 99%, 100% { transform: translate(-2px); }
  15%, 49% { transform: translate(2px); }
}

@keyframes glitch-2 {
  0%, 20%, 21%, 62%, 63%, 99%, 100% { transform: translate(2px); }
  21%, 62% { transform: translate(-2px); }
}

/* Utility Classes */
.pattern-overlay {
  position: relative;
}

.pattern-overlay::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 1;
}

.pattern-subtle {
  opacity: 0.3;
}

.pattern-visible {
  opacity: 0.6;
}

.pattern-prominent {
  opacity: 0.9;
}

/* Responsive Patterns */
@media (max-width: 768px) {
  .pattern-circuit,
  .pattern-grid,
  .pattern-dots,
  .pattern-tech-lines {
    background-size: 15px 15px;
  }

  .pattern-hexagon {
    background-size: 20px 35px;
  }

  .pattern-orbs::before,
  .pattern-orbs::after {
    width: 150px;
    height: 150px;
    filter: blur(30px);
  }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  .pattern-circuit-animated::before,
  .pattern-particles::before,
  .pattern-matrix::before,
  .pattern-neural::before,
  .pattern-orbs::before,
  .pattern-orbs::after,
  .pattern-neon::before,
  .tech-border::before,
  .holographic,
  .pattern-data-stream::before,
  .glitch-effect::before,
  .glitch-effect::after {
    animation: none;
  }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
  :root {
    --pattern-primary: rgba(255, 255, 255, 0.2);
    --pattern-secondary: rgba(255, 255, 255, 0.15);
    --pattern-accent: rgba(255, 255, 255, 0.1);
    --pattern-muted: rgba(255, 255, 255, 0.05);
  }
}