:root{--bg-primary: #f0f4f8;--bg-secondary: #ffffff;--bg-gradient: linear-gradient(135deg, #f0f4f8 0%, #d9e2ec 100%);--text-primary: #102a43;--text-secondary: #486581;--accent-color: #3366FF;--accent-hover: #254EDB;--accent-glow: rgba(51, 102, 255, .4);--border-color: rgba(255, 255, 255, .6);--glass-bg: rgba(255, 255, 255, .65);--glass-border: rgba(255, 255, 255, .8);--card-shadow: 0 8px 32px 0 rgba(31, 38, 135, .1);--success: #00d084;--warning: #ffaa00;--danger: #ff4d4f;--font-sans: "Inter", sans-serif;--font-mono: "Roboto Mono", monospace}[data-theme=dark]{--bg-primary: #0a0a0a;--bg-secondary: #141414;--bg-gradient: radial-gradient(circle at top right, #1a202c 0%, #000000 100%);--text-primary: #f0f0f0;--text-secondary: #a0aec0;--accent-color: #00c785;--accent-hover: #00a36b;--accent-glow: rgba(0, 199, 133, .25);--border-color: rgba(255, 255, 255, .1);--glass-bg: rgba(20, 20, 20, .75);--glass-border: rgba(255, 255, 255, .08);--card-shadow: 0 8px 32px 0 rgba(0, 0, 0, .5)}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg-gradient);background-attachment:fixed;color:var(--text-primary);font-family:var(--font-sans);line-height:1.5;transition:color .3s ease;min-height:100vh}button{font-family:var(--font-sans);cursor:pointer;border:none;background:none}h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.2}.container{max-width:1200px;margin:0 auto;padding:0 1.5rem}.glass-card{background:var(--glass-bg);box-shadow:var(--card-shadow);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border:1px solid var(--glass-border);border-radius:16px;transform:translateZ(0);transition:transform .2s ease-out,box-shadow .2s ease-out}.glass-card:hover{transform:translateY(-4px);box-shadow:0 12px 30px #00000026;border-color:var(--accent-color)}[data-theme=dark] .glass-card:hover{box-shadow:0 12px 30px #00c7851a}.glass{background:var(--glass-bg);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border-bottom:1px solid var(--border-color)}.btn-primary{background-color:var(--accent-color);color:#fff;padding:.6rem 1.2rem;border-radius:8px;font-weight:600;box-shadow:0 4px 14px 0 var(--accent-glow);transition:all .2s ease}[data-theme=dark] .btn-primary{color:#000}.btn-primary:hover{background-color:var(--accent-hover);transform:translateY(-1px);box-shadow:0 6px 20px 0 var(--accent-glow)}.btn-primary:active{transform:translateY(0)}.btn-secondary{background:#ffffff1a;border:1px solid var(--border-color);color:var(--text-primary);padding:.5rem 1rem;border-radius:8px;font-size:.9rem;font-weight:500;transition:all .2s}.btn-secondary:hover{background:#fff3;border-color:var(--accent-color)}.flex-center{display:flex;align-items:center;justify-content:center}.text-gradient{background:linear-gradient(135deg,var(--text-primary) 30%,var(--accent-color) 100%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.animate-spin{animation:spin 1s linear infinite}