:root {
  --bg-color: #0f172a;
  --panel-bg: rgba(30, 41, 59, 0.5);
  --panel-border: rgba(255, 255, 255, 0.1);
  --text-primary: #f8fafc;
  --text-secondary: #94a3b8;
  --accent-cyan: #22d3ee;
  --accent-purple: #a855f7;
  --accent-blue: #3b82f6;
  --accent-gradient: linear-gradient(135deg, #22d3ee, #3b82f6);
  --accent-gradient-purple: linear-gradient(135deg, #a855f7, #6366f1);
  --radius-lg: 16px;
  --radius-md: 12px;
  --font-main: 'Inter', system-ui, -apple-system, sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  background-color: var(--bg-color);
  background-image: 
    radial-gradient(at 0% 0%, rgba(34, 211, 238, 0.05) 0px, transparent 50%),
    radial-gradient(at 100% 0%, rgba(168, 85, 247, 0.05) 0px, transparent 50%);
  color: var(--text-primary);
  font-family: var(--font-main);
  margin: 0;
  min-height: 100vh;
}

/* Glass Panels */
.os-panel {
  background: var(--panel-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-lg);
  box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  padding: 20px;
}

/* Buttons */
.os-button {
  background: var(--accent-gradient);
  border: none;
  border-radius: var(--radius-md);
  color: white;
  cursor: pointer;
  font-weight: 600;
  padding: 10px 20px;
  transition: all 0.2s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  text-decoration: none;
}

.os-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 0 15px rgba(34, 211, 238, 0.4);
  filter: brightness(1.1);
}

.os-button.secondary {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--panel-border);
}

.os-button.secondary:hover {
  background: rgba(255, 255, 255, 0.1);
}

/* Input Styles */
.os-input {
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  padding: 12px 16px;
  outline: none;
  transition: all 0.2s ease;
}

.os-input:focus {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 0 2px rgba(34, 211, 238, 0.2);
}

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

::-webkit-scrollbar-track {
  background: rgba(0, 0, 0, 0.2);
}

::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.2);
}

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

.animate-fade-in {
  animation: fadeIn 0.4s ease forwards;
}