@import "tailwindcss";

:root {
  /* Base colors - Deep charcoal with warmth */
  --background: #0C0B0A;
  --background-elevated: #141311;
  --background-surface: #1C1A18;
  --background-warm: #1A1714;

  /* Text colors */
  --foreground: #F5F2ED;
  --foreground-muted: #A8A29E;
  --foreground-subtle: #6B6560;

  /* Primary - Copper/Amber Energy */
  --energy: #D4843C;
  --energy-bright: #F0A04B;
  --energy-dim: #8B5A2B;
  --energy-glow: rgba(212, 132, 60, 0.4);
  --energy-muted: rgba(212, 132, 60, 0.12);

  /* Secondary - Teal Systems */
  --systems: #2D9596;
  --systems-bright: #4ABFBF;
  --systems-dim: #1A6666;
  --systems-muted: rgba(45, 149, 150, 0.15);

  /* Tertiary - Warm highlights */
  --warm: #9D6B4A;
  --warm-muted: rgba(157, 107, 74, 0.2);

  /* Semantic colors */
  --success: #4A9D6B;
  --warning: #D4A03C;
  --error: #C75D5D;

  /* Border colors */
  --border: rgba(245, 242, 237, 0.06);
  --border-hover: rgba(245, 242, 237, 0.12);
  --border-energy: rgba(212, 132, 60, 0.25);

  /* Atmospheric gradients */
  --gradient-radial: radial-gradient(ellipse at 50% 0%, rgba(212, 132, 60, 0.06) 0%, transparent 50%);
  --gradient-depth: linear-gradient(180deg, transparent 0%, rgba(12, 11, 10, 0.8) 100%);
  --gradient-glow: radial-gradient(circle at center, rgba(212, 132, 60, 0.15) 0%, transparent 70%);
}

/* Tailwind v4 theme extension */
@theme {
  --font-sans: var(--font-outfit), system-ui, sans-serif;
  --font-display: var(--font-syne), var(--font-outfit), system-ui, sans-serif;
  --font-mono: var(--font-jetbrains-mono), monospace;

  --color-background: var(--background);
  --color-background-elevated: var(--background-elevated);
  --color-background-surface: var(--background-surface);
  --color-background-warm: var(--background-warm);
  --color-foreground: var(--foreground);
  --color-foreground-muted: var(--foreground-muted);
  --color-foreground-subtle: var(--foreground-subtle);
  --color-energy: var(--energy);
  --color-energy-bright: var(--energy-bright);
  --color-energy-dim: var(--energy-dim);
  --color-energy-muted: var(--energy-muted);
  --color-systems: var(--systems);
  --color-systems-bright: var(--systems-bright);
  --color-systems-muted: var(--systems-muted);
  --color-warm: var(--warm);
  --color-warm-muted: var(--warm-muted);
  --color-border: var(--border);
  --color-border-hover: var(--border-hover);
  --color-border-energy: var(--border-energy);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-outfit), system-ui, sans-serif;
  color: var(--foreground);
  background: var(--background);
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

/* Subtle noise texture for depth */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 512 512' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.8' numOctaves='4' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
  opacity: 0.03;
  pointer-events: none;
  z-index: 0;
}

/* Custom scrollbar - warm themed */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--background);
}

::-webkit-scrollbar-thumb {
  background: rgba(212, 132, 60, 0.3);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(212, 132, 60, 0.5);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-syne), var(--font-outfit), system-ui, sans-serif;
  font-weight: 700;
  letter-spacing: -0.02em;
}

/* Display typography utility */
.font-display {
  font-family: var(--font-syne), var(--font-outfit), system-ui, sans-serif;
}

/* ============================================
   Animation Keyframes
   ============================================ */

@keyframes float {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-15px) rotate(1deg); }
}

@keyframes pulse-energy {
  0%, 100% {
    opacity: 0.6;
    transform: scale(1);
  }
  50% {
    opacity: 1;
    transform: scale(1.05);
  }
}

@keyframes flow-right {
  0% { transform: translateX(-100%); opacity: 0; }
  50% { opacity: 1; }
  100% { transform: translateX(100%); opacity: 0; }
}

@keyframes flow-down {
  0% { transform: translateY(-100%); opacity: 0; }
  50% { opacity: 1; }
  100% { transform: translateY(100%); opacity: 0; }
}

@keyframes rotate-slow {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes rotate-reverse {
  from { transform: rotate(360deg); }
  to { transform: rotate(0deg); }
}

@keyframes fade-in-up {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fade-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slide-in-right {
  from {
    opacity: 0;
    transform: translateX(30px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

@keyframes scale-in {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

@keyframes glow-pulse {
  0%, 100% {
    box-shadow: 0 0 20px rgba(212, 132, 60, 0.2),
                0 0 40px rgba(212, 132, 60, 0.1);
  }
  50% {
    box-shadow: 0 0 30px rgba(212, 132, 60, 0.4),
                0 0 60px rgba(212, 132, 60, 0.2);
  }
}

@keyframes energy-flow {
  0% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
  100% {
    background-position: 0% 50%;
  }
}

@keyframes platform-float {
  0%, 100% {
    transform: translateY(0) translateX(0);
  }
  25% {
    transform: translateY(-8px) translateX(4px);
  }
  75% {
    transform: translateY(-4px) translateX(-4px);
  }
}

@keyframes circuit-pulse {
  0%, 100% {
    stroke-dashoffset: 100;
    opacity: 0.3;
  }
  50% {
    stroke-dashoffset: 0;
    opacity: 1;
  }
}

@keyframes gear-rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes node-pulse {
  0%, 100% {
    transform: scale(1);
    opacity: 0.8;
  }
  50% {
    transform: scale(1.2);
    opacity: 1;
  }
}

/* Animation utilities */
.animate-float {
  animation: float 8s ease-in-out infinite;
}

.animate-pulse-energy {
  animation: pulse-energy 4s ease-in-out infinite;
}

.animate-flow-right {
  animation: flow-right 3s linear infinite;
}

.animate-flow-down {
  animation: flow-down 4s linear infinite;
}

.animate-rotate-slow {
  animation: rotate-slow 20s linear infinite;
}

.animate-rotate-reverse {
  animation: rotate-reverse 25s linear infinite;
}

.animate-fade-in-up {
  animation: fade-in-up 0.8s ease-out forwards;
}

.animate-fade-in {
  animation: fade-in 0.6s ease-out forwards;
}

.animate-slide-in-right {
  animation: slide-in-right 0.6s ease-out forwards;
}

.animate-scale-in {
  animation: scale-in 0.5s ease-out forwards;
}

.animate-glow-pulse {
  animation: glow-pulse 3s ease-in-out infinite;
}

.animate-energy-flow {
  background-size: 200% 200%;
  animation: energy-flow 8s ease infinite;
}

.animate-platform-float {
  animation: platform-float 6s ease-in-out infinite;
}

.animate-circuit-pulse {
  animation: circuit-pulse 3s ease-in-out infinite;
}

.animate-gear-rotate {
  animation: gear-rotate 15s linear infinite;
}

.animate-node-pulse {
  animation: node-pulse 2s ease-in-out infinite;
}

/* Staggered animation delays */
.delay-100 { animation-delay: 100ms; }
.delay-200 { animation-delay: 200ms; }
.delay-300 { animation-delay: 300ms; }
.delay-400 { animation-delay: 400ms; }
.delay-500 { animation-delay: 500ms; }
.delay-600 { animation-delay: 600ms; }
.delay-700 { animation-delay: 700ms; }
.delay-800 { animation-delay: 800ms; }

/* ============================================
   Component Styles
   ============================================ */

/* Glass effect - warmer */
.glass {
  background: rgba(20, 19, 17, 0.85);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
}

/* Energy gradient text */
.text-energy-gradient {
  background: linear-gradient(135deg, var(--energy-bright) 0%, var(--energy) 50%, var(--warm) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Systems gradient text */
.text-systems-gradient {
  background: linear-gradient(135deg, var(--systems-bright) 0%, var(--systems) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Button base styles - redesigned */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.625rem;
  padding: 0.875rem 1.75rem;
  font-family: var(--font-syne), var(--font-outfit), system-ui, sans-serif;
  font-weight: 600;
  font-size: 0.9375rem;
  border-radius: 0.5rem;
  transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
  border: none;
  outline: none;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.1), transparent);
  transition: left 0.5s ease;
}

.btn:hover::before {
  left: 100%;
}

.btn-primary {
  background: linear-gradient(135deg, var(--energy) 0%, var(--energy-dim) 100%);
  color: var(--background);
  box-shadow: 0 4px 20px rgba(212, 132, 60, 0.25);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(212, 132, 60, 0.4);
}

.btn-secondary {
  background: transparent;
  color: var(--foreground);
  border: 1px solid var(--border-energy);
}

.btn-secondary:hover {
  background: var(--energy-muted);
  border-color: var(--energy);
  color: var(--energy-bright);
}

.btn-ghost {
  background: transparent;
  color: var(--foreground-muted);
}

.btn-ghost:hover {
  color: var(--foreground);
  background: rgba(245, 242, 237, 0.05);
}

/* Focus states */
.btn:focus-visible {
  outline: 2px solid var(--energy);
  outline-offset: 2px;
}

/* Input styles */
.input {
  width: 100%;
  padding: 0.875rem 1rem;
  background: var(--background-surface);
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  color: var(--foreground);
  font-size: 0.9375rem;
  font-family: inherit;
  transition: all 0.2s ease;
}

.input::placeholder {
  color: var(--foreground-subtle);
}

.input:hover {
  border-color: var(--border-hover);
}

.input:focus {
  outline: none;
  border-color: var(--energy);
  box-shadow: 0 0 0 3px var(--energy-muted);
}

/* Card styles - redesigned for depth */
.card {
  background: var(--background-elevated);
  border: 1px solid var(--border);
  border-radius: 0.75rem;
  padding: 1.5rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
}

.card::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, rgba(212, 132, 60, 0.2) 0%, transparent 50%);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask-composite: xor;
  -webkit-mask-composite: xor;
  opacity: 0;
  transition: opacity 0.3s ease;
  pointer-events: none;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.card:hover::before {
  opacity: 1;
}

/* Container */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

@media (min-width: 768px) {
  .container {
    padding: 0 2rem;
  }
}

/* ============================================
   Scroll Animations
   ============================================ */

.scroll-reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.scroll-reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.scroll-reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.scroll-reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.scroll-reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.scroll-reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}

.scroll-scale {
  opacity: 0;
  transform: scale(0.9);
  transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.scroll-scale.visible {
  opacity: 1;
  transform: scale(1);
}

/* Stagger children */
.stagger-children > * {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.stagger-children.visible > *:nth-child(1) { transition-delay: 0ms; opacity: 1; transform: translateY(0); }
.stagger-children.visible > *:nth-child(2) { transition-delay: 100ms; opacity: 1; transform: translateY(0); }
.stagger-children.visible > *:nth-child(3) { transition-delay: 200ms; opacity: 1; transform: translateY(0); }
.stagger-children.visible > *:nth-child(4) { transition-delay: 300ms; opacity: 1; transform: translateY(0); }
.stagger-children.visible > *:nth-child(5) { transition-delay: 400ms; opacity: 1; transform: translateY(0); }

/* ============================================
   Special Effects
   ============================================ */

/* Energy line */
.energy-line {
  height: 2px;
  background: linear-gradient(90deg,
    transparent 0%,
    var(--energy-dim) 20%,
    var(--energy-bright) 50%,
    var(--energy-dim) 80%,
    transparent 100%);
  background-size: 200% 100%;
  animation: energy-flow 4s ease infinite;
}

/* Glow ring */
.glow-ring {
  position: relative;
}

.glow-ring::before {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: inherit;
  background: conic-gradient(from 0deg, transparent, var(--energy), transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
  animation: rotate-slow 4s linear infinite;
}

.glow-ring:hover::before {
  opacity: 0.6;
}

/* Mechanical corner accent */
.corner-accent {
  position: relative;
}

.corner-accent::before,
.corner-accent::after {
  content: '';
  position: absolute;
  width: 20px;
  height: 20px;
  border-color: var(--energy);
  border-style: solid;
  border-width: 0;
  opacity: 0.5;
  transition: all 0.3s ease;
}

.corner-accent::before {
  top: 0;
  left: 0;
  border-top-width: 2px;
  border-left-width: 2px;
}

.corner-accent::after {
  bottom: 0;
  right: 0;
  border-bottom-width: 2px;
  border-right-width: 2px;
}

.corner-accent:hover::before,
.corner-accent:hover::after {
  width: 30px;
  height: 30px;
  opacity: 1;
}

/* Platform depth effect */
.platform-depth {
  position: relative;
  transform-style: preserve-3d;
}

.platform-depth::before {
  content: '';
  position: absolute;
  bottom: -20px;
  left: 10%;
  right: 10%;
  height: 40px;
  background: var(--background-elevated);
  transform: rotateX(60deg);
  opacity: 0.5;
  border-radius: 50%;
  filter: blur(10px);
}

/* Selection */
::selection {
  background: var(--energy-muted);
  color: var(--foreground);
}

/* Focus styles for accessibility */
*:focus-visible {
  outline: 2px solid var(--energy);
  outline-offset: 2px;
}

/* Remove default focus for mouse users */
*:focus:not(:focus-visible) {
  outline: none;
}

/* Skip link for keyboard users */
.skip-link {
  position: absolute;
  top: -100%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--energy);
  color: var(--background);
  padding: 0.75rem 1.5rem;
  border-radius: 0 0 0.5rem 0.5rem;
  font-weight: 600;
  z-index: 9999;
  transition: top 0.2s ease;
}

.skip-link:focus {
  top: 0;
}

/* High visibility focus for interactive elements */
button:focus-visible,
a:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible,
[role="button"]:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--energy);
  outline-offset: 2px;
}

/* Visually hidden but accessible to screen readers */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ============================================
   Message Animations (keeping existing)
   ============================================ */

@keyframes message-appear {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.message-appear {
  animation: message-appear 0.2s ease-out forwards;
}

@keyframes message-delete {
  from {
    opacity: 1;
    transform: scale(1);
    max-height: 200px;
  }
  to {
    opacity: 0;
    transform: scale(0.95);
    max-height: 0;
    margin: 0;
    padding: 0;
  }
}

.message-delete {
  animation: message-delete 0.3s ease-out forwards;
  overflow: hidden;
}

@keyframes edit-highlight {
  0% {
    background-color: var(--energy-muted);
  }
  100% {
    background-color: transparent;
  }
}

.message-edited {
  animation: edit-highlight 2s ease-out;
  border-radius: 0.25rem;
}

@keyframes reaction-pop {
  0% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.3);
  }
  100% {
    transform: scale(1);
  }
}

.reaction-pop {
  animation: reaction-pop 0.3s ease-out;
}

@keyframes typing-bounce {
  0%, 60%, 100% {
    transform: translateY(0);
  }
  30% {
    transform: translateY(-4px);
  }
}

.typing-dot {
  animation: typing-bounce 1.4s infinite ease-in-out;
}

.typing-dot:nth-child(1) {
  animation-delay: 0s;
}

.typing-dot:nth-child(2) {
  animation-delay: 0.2s;
}

.typing-dot:nth-child(3) {
  animation-delay: 0.4s;
}

@keyframes new-message-pulse {
  0%, 100% {
    box-shadow: 0 0 0 0 var(--energy-glow);
  }
  50% {
    box-shadow: 0 0 0 8px transparent;
  }
}

.new-message-pulse {
  animation: new-message-pulse 2s ease-in-out infinite;
}

@keyframes user-join {
  from {
    opacity: 0;
    transform: translateX(-10px);
  }
  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.user-join {
  animation: user-join 0.3s ease-out forwards;
}

@keyframes user-leave {
  from {
    opacity: 1;
    transform: translateX(0);
  }
  to {
    opacity: 0;
    transform: translateX(10px);
  }
}

.user-leave {
  animation: user-leave 0.3s ease-out forwards;
}

@keyframes voice-wave {
  0%, 100% {
    height: 4px;
  }
  50% {
    height: 12px;
  }
}

.voice-wave-bar {
  animation: voice-wave 0.5s ease-in-out infinite;
}

.voice-wave-bar:nth-child(1) {
  animation-delay: 0s;
}

.voice-wave-bar:nth-child(2) {
  animation-delay: 0.1s;
}

.voice-wave-bar:nth-child(3) {
  animation-delay: 0.2s;
}

.voice-wave-bar:nth-child(4) {
  animation-delay: 0.3s;
}

@keyframes badge-bounce {
  0%, 100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.2);
  }
}

.badge-bounce {
  animation: badge-bounce 0.3s ease-out;
}

@keyframes server-hover {
  from {
    width: 0;
    height: 0;
    border-radius: 50%;
  }
  to {
    width: 8px;
    height: 50%;
    border-radius: 0 4px 4px 0;
  }
}

.server-indicator {
  animation: server-hover 0.2s ease-out forwards;
}