/* CSS Custom Properties for theming */
:root {
  --terminal-bg: rgba(0, 0, 0, 0.75);
  --terminal-blur: 12px;
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-bg: rgba(0, 0, 0, 0.6);
  --accent-orange: #f59e0b;
  --accent-blue: #3b82f6;
  --accent-green: #22c55e;
  --accent-red: #ef4444;
  --text-primary: #e5e7eb;
  --text-muted: #9ca3af;
  --border-radius: 12px;
  --border-radius-sm: 8px;
  --transition-fast: 150ms ease;
  --transition-normal: 300ms ease;
  --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
}

html, body {
  position: relative;
  width: 100%;
  height: 100%;
}

body {
  color: var(--text-primary);
  margin: 0;
  padding: 8px;
  box-sizing: border-box;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
  font-size: clamp(14px, 1.1vw, 18px);
  background-color: #1a1a2e;
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}

/* Smooth scrolling */
* {
  scroll-behavior: smooth;
}

/* Selection styling */
::selection {
  background: rgba(245, 158, 11, 0.3);
  color: #fff;
}

a {
  color: var(--accent-blue);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: #60a5fa;
  text-decoration: none;
}

a:visited {
  color: #8b5cf6;
}

label {
  display: block;
  color: var(--text-muted);
}

input, button, select, textarea {
  font-family: inherit;
  font-size: inherit;
  padding: 0.5em 0.75em;
  margin: 0 0 0.5em 0;
  box-sizing: border-box;
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius-sm);
  background: var(--glass-bg);
  color: var(--text-primary);
  transition: all var(--transition-fast);
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--accent-blue);
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.2);
}

input:disabled {
  color: var(--text-muted);
  opacity: 0.5;
}

input[type="range"] {
  height: 0;
}

button {
  color: var(--text-primary);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  cursor: pointer;
  outline: none;
  transition: all var(--transition-fast);
}

button:hover:not(:disabled) {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
}

button:disabled {
  color: var(--text-muted);
  opacity: 0.5;
  cursor: not-allowed;
}

button:not(:disabled):active {
  transform: translateY(1px);
}

button:focus {
  border-color: var(--accent-blue);
}

/* Scrollbar styling */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: rgba(0, 0, 0, 0.2);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.15);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.25);
}

/* Utility classes */
.glass {
  background: var(--glass-bg);
  backdrop-filter: blur(var(--terminal-blur));
  -webkit-backdrop-filter: blur(var(--terminal-blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--border-radius);
}

.fade-in {
  animation: fadeIn var(--transition-normal) ease-out;
}

.slide-up {
  animation: slideUp var(--transition-normal) ease-out;
}

.slide-down {
  animation: slideDown var(--transition-normal) ease-out;
}

/* Keyframe animations */
@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

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

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

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

@keyframes shake {
  0%, 100% {
    transform: translateX(0);
  }
  25% {
    transform: translateX(-2px);
  }
  75% {
    transform: translateX(2px);
  }
}

/* Mobile-specific global styles */
@media screen and (max-width: 768px) {
  body {
    padding: 0;
    overscroll-behavior: none;
  }

  html, body {
    overflow: hidden;
  }
}

/* Safe area inset support */
@supports (padding: env(safe-area-inset-top)) {
  :root {
    --safe-area-top: env(safe-area-inset-top);
    --safe-area-bottom: env(safe-area-inset-bottom);
    --safe-area-left: env(safe-area-inset-left);
    --safe-area-right: env(safe-area-inset-right);
  }
}