:root{--color-bg-primary: #ffffff;--color-bg-secondary: #f8fafc;--color-bg-tertiary: #f1f5f9;--color-text-primary: #0f172a;--color-text-secondary: #334155;--color-accent: #0e7490;--color-accent-light: #06b6d4;--color-accent-glow: rgba(14, 116, 144, .15);--color-success: #059669;--color-danger: #dc2626;--color-border: #e2e8f0;--font-main: "Inter", system-ui, -apple-system, sans-serif;--font-mono: "Fira Code", monospace;--transition-speed: .3s;--container-width: 1200px;--header-height: 80px}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-main);background-color:var(--color-bg-primary);color:var(--color-text-primary);line-height:1.6;-webkit-font-smoothing:antialiased}a{text-decoration:none;color:inherit;transition:color var(--transition-speed)}ul{list-style:none}button{cursor:pointer;border:none;font-family:inherit}.app-container{display:flex;flex-direction:column;min-height:100vh}.main-content{flex:1;padding-top:var(--header-height)}.page-container{max-width:var(--container-width);margin:0 auto;padding:2rem 1rem}h1,h2,h3,h4,h5,h6{line-height:1.2;margin-bottom:1rem}h1{font-size:3rem;font-weight:800;background:linear-gradient(to right,#0f172a,var(--color-accent));-webkit-background-clip:text;-webkit-text-fill-color:transparent}h2{font-size:2.25rem;color:var(--color-text-primary)}p{color:var(--color-text-secondary);margin-bottom:1rem}.text-accent{color:var(--color-accent)}.glass-panel{background:var(--color-bg-primary);border:1px solid var(--color-border);border-radius:12px;box-shadow:0 1px 3px #0000000f,0 4px 12px #0000000a}.btn-primary{background:var(--color-accent);color:#fff;padding:.75rem 1.5rem;border-radius:8px;font-weight:600;display:inline-flex;align-items:center;gap:.5rem;transition:all var(--transition-speed)}.btn-primary:hover{box-shadow:0 4px 16px var(--color-accent-glow);transform:translateY(-2px);background:#0c6a80}