:root{--bg:#050510;--bg-card:rgba(20,20,35,0.7);--bg-surface:#141423;--text:#e8e8f0;--text-muted:#888;--accent:#ffed4a;--accent2:#ff7675;--gradient:linear-gradient(135deg,#ffed4a,#ff7675);--border:rgba(255,255,255,0.08);--radius:12px;--font:'Inter',sans-serif;--mono:'JetBrains Mono',monospace;--error:#ff7675;--success:#00b894}
[data-theme="light"]{--bg:#f8f9fa;--bg-card:rgba(255,255,255,0.9);--bg-surface:#fff;--text:#2d3436;--text-muted:#636e72;--border:rgba(0,0,0,0.1);--accent:#fdcb6e;--gradient:linear-gradient(135deg,#fdcb6e,#ff7675)}
*{margin:0;padding:0;box-sizing:border-box}body{font-family:var(--font);background:var(--bg);color:var(--text);min-height:100vh}
.bg-gradient{position:fixed;inset:0;z-index:-1;background:radial-gradient(circle at 10% 20%,rgba(255,237,74,0.05) 0%,transparent 50%),radial-gradient(circle at 90% 80%,rgba(255,118,117,0.05) 0%,transparent 50%)}
.container{max-width:1400px;margin:0 auto;padding:0 1.5rem}
.navbar{padding:1rem 0;border-bottom:1px solid var(--border)}.nav-inner{display:flex;justify-content:space-between;align-items:center}.brand{text-decoration:none;font-weight:700;font-size:1.2rem;color:var(--text)}.brand span{background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.nav-links{display:flex;gap:1.5rem;align-items:center}.nav-links a{text-decoration:none;color:var(--text-muted);font-size:0.9rem;transition:color 0.2s}.nav-links a:hover{color:var(--text)}.kofi-link{color:var(--accent2)!important}.theme-btn{background:none;border:1px solid var(--border);border-radius:50%;width:36px;height:36px;cursor:pointer;display:flex;align-items:center;justify-content:center}
.hero{text-align:center;padding:2rem 0}.hero h1{font-size:clamp(1.8rem,4vw,2.5rem);font-weight:800;margin-bottom:0.5rem}.gradient-text{background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.hero-sub{color:var(--text-muted)}
.glass-card{background:var(--bg-card);backdrop-filter:blur(12px);border:1px solid var(--border);border-radius:var(--radius)}
.app-layout{display:flex;gap:1rem;height:65vh;min-height:500px}@media(max-width:900px){.app-layout{flex-direction:column;height:auto}}
.pane{flex:1;display:flex;flex-direction:column;overflow:hidden}.pane-header{display:flex;justify-content:space-between;align-items:center;padding:0.75rem 1rem;border-bottom:1px solid var(--border);background:rgba(0,0,0,0.2)}.format-select{background:var(--bg-surface);color:var(--text);border:1px solid var(--border);padding:0.5rem;border-radius:6px;font-family:var(--font);font-weight:600;outline:none}.pane-actions{display:flex;gap:0.5rem}
.btn{background:transparent;border:none;color:var(--text);font-family:var(--font);cursor:pointer;border-radius:6px;transition:all 0.2s;display:inline-flex;align-items:center;justify-content:center}.btn-primary{background:var(--gradient);color:#000;font-weight:700;padding:0.75rem 1.5rem}.btn-primary:hover{opacity:0.9;transform:translateY(-1px)}.btn-secondary{border:1px solid var(--border);padding:0.5rem 1rem}.btn-secondary:hover{border-color:var(--accent);color:var(--accent)}.btn-sm{padding:0.4rem 0.8rem;font-size:0.85rem}.btn-icon{width:32px;height:32px;font-size:1.1rem}
.code-editor{flex:1;width:100%;background:transparent;border:none;padding:1rem;color:var(--text);font-family:var(--mono);font-size:0.95rem;line-height:1.6;resize:none;outline:none;white-space:pre}
.status-bar{padding:0.5rem 1rem;font-size:0.8rem;background:rgba(0,0,0,0.3);border-top:1px solid var(--border);color:var(--text-muted)}.status-error{color:var(--error)}.status-success{color:var(--success)}
.middle-controls{display:flex;flex-direction:column;justify-content:center;gap:1rem;padding:0 0.5rem}@media(max-width:900px){.middle-controls{flex-direction:row;padding:1rem 0}}
.features-section{padding:2rem}.features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:2rem;margin-top:1.5rem}.feature-card h3{font-size:1.1rem;margin-bottom:0.5rem;display:flex;align-items:center;gap:0.5rem}.feature-card p{color:var(--text-muted);font-size:0.9rem;line-height:1.6}
.mt-5{margin-top:3rem}
.footer{margin-top:4rem;border-top:1px solid var(--border);padding:2rem 0;font-size:0.85rem}.footer-inner{display:flex;justify-content:space-between;flex-wrap:wrap;gap:2rem}.footer-brand span{font-weight:700;font-size:1rem}.footer-brand p{color:var(--text-muted);margin-top:0.3rem}.footer-brand a{color:var(--accent);text-decoration:none}.footer-links-grid{display:flex;gap:3rem}.footer-links-grid h4{margin-bottom:0.75rem}.footer-links-grid a{display:block;color:var(--text-muted);text-decoration:none;margin-bottom:0.4rem}.footer-links-grid a:hover{color:var(--accent)}.copyright{width:100%;text-align:center;color:var(--text-muted);margin-top:1rem;padding-top:1rem;border-top:1px solid var(--border)}