:root{--bg-color:#0d0d12;--card-bg:#1a1a23;--text-primary:#fff;--text-secondary:#9ca3af;--accent-color:#6366f1;--accent-hover:#4f46e5;--error-color:#ef4444;--success-color:#10b981;--font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;--radius:8px}*{box-sizing:border-box}body{background-color:var(--bg-color);min-height:100vh;color:var(--text-primary);font-family:var(--font-family);-webkit-font-smoothing:antialiased;flex-direction:column;margin:0;padding:0;display:flex}h1,h2,h3{margin:0;font-weight:700}input,button,textarea{font-family:inherit;font-size:1rem}.container{flex-grow:1;width:100%;max-width:800px;margin:0 auto;padding:2rem 1rem}.card{background:var(--card-bg);border-radius:var(--radius);padding:1.5rem;box-shadow:0 4px 6px -1px #0000001a,0 2px 4px -1px #0000000f}.btn{background-color:var(--accent-color);color:#fff;border-radius:var(--radius);cursor:pointer;border:none;justify-content:center;align-items:center;padding:.75rem 1.5rem;font-weight:600;transition:background-color .2s,transform .1s;display:inline-flex}.btn:hover{background-color:var(--accent-hover)}.btn:active{transform:translateY(1px)}.btn:disabled{opacity:.5;cursor:not-allowed}.input-group{margin-bottom:1.5rem}.input{color:#fff;border-radius:var(--radius);background:#272732;border:1px solid #3f3f4e;width:100%;padding:.75rem 1rem;transition:border-color .2s}.input:focus{border-color:var(--accent-color);outline:none}.loading-bar{background:#3f3f4e;border-radius:2px;height:4px;margin-top:1rem;overflow:hidden}.loading-progress{background:var(--accent-color);height:100%;transition:width .3s}.post-card{border-radius:var(--radius);background:#232330;border:1px solid #3f3f4e;margin-bottom:1.25rem;padding:1.25rem;position:relative}.post-actions{justify-content:flex-end;gap:.5rem;margin-top:1rem;display:flex}.copy-btn{color:var(--text-secondary);background:0 0;border:1px solid #3f3f4e;border-radius:4px;padding:.4rem .8rem;font-size:.9rem}.copy-btn:hover{color:#fff;background:#2f2f3e}