:root{--primary-color:#b7410e;--secondary-color:#e8a317;--bg-color:#fdfaf6;--text-color:#333;--card-bg:#fff;--stamp-color:#d32f2f}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-color);color:var(--text-color);font-family:Prompt,Segoe UI,Tahoma,Geneva,Verdana,sans-serif;line-height:1.6}.container{width:100%;max-width:800px;margin:0 auto;padding:20px}header{text-align:center;border-bottom:2px solid var(--secondary-color);margin-bottom:2rem;padding:2rem 0}header h1{color:var(--primary-color);margin-bottom:.5rem;font-size:2.5rem}header p{color:#555;padding:0 10px;font-size:1rem}nav{flex-wrap:wrap;justify-content:center;gap:1rem;display:flex}nav button{border:2px solid var(--primary-color);color:var(--primary-color);cursor:pointer;text-align:center;background:0 0;border-radius:8px;flex:auto;max-width:250px;padding:.5rem 1rem;font-weight:700;transition:all .3s}nav button.active,nav button:hover{background:var(--primary-color);color:#fff}.card{background:var(--card-bg);border-radius:12px;margin-bottom:2rem;transition:transform .3s;position:relative;overflow:hidden;box-shadow:0 4px 15px #0000001a}.card:hover{transform:translateY(-5px)}.card-image{object-fit:cover;background-color:#eee;width:100%;height:350px}.card-content{padding:1.5rem}.card-title{color:var(--primary-color);margin-bottom:.5rem;font-size:1.5rem}.card-description{color:#666;margin-bottom:1.5rem}.actions{justify-content:center;align-items:center;display:flex}.btn-random{background-color:var(--primary-color);color:#fff;cursor:pointer;border:none;border-radius:8px;width:100%;margin-bottom:2rem;padding:1rem;font-size:1.2rem;font-weight:700;transition:background-color .3s;display:block;box-shadow:0 4px 6px #b7410e4d}.btn-random:hover{background-color:#9c360c}.btn-stamp{border:2px solid var(--stamp-color);color:var(--stamp-color);cursor:pointer;background:#fff;border-radius:8px;justify-content:center;align-items:center;gap:.5rem;width:100%;padding:.75rem 1.5rem;font-size:1.1rem;font-weight:700;transition:all .3s;display:flex}.btn-stamp.stamped{background:var(--stamp-color);color:#fff}.stamp-mark{border:4px solid var(--stamp-color);color:var(--stamp-color);pointer-events:none;text-transform:uppercase;letter-spacing:2px;background:#fffc;border-radius:10px;padding:.5rem 1rem;font-size:1.5rem;font-weight:700;position:absolute;top:20px;right:20px;transform:rotate(15deg);box-shadow:0 2px 10px #0000001a}.history-list{grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:1.5rem;display:grid}.history-card{background:var(--card-bg);border-radius:8px;flex-direction:column;display:flex;position:relative;overflow:hidden;box-shadow:0 2px 8px #0000001a}.history-card img{object-fit:cover;width:100%;height:200px}.history-card .content{flex-direction:column;flex-grow:1;justify-content:space-between;padding:1rem;display:flex}.history-card h3{color:var(--primary-color);margin-bottom:1rem;font-size:1.1rem}.empty-state{text-align:center;color:#888;padding:3rem 1rem}@keyframes shake{0%{transform:translate(0)}25%{transform:translate(-5px)}50%{transform:translate(5px)}75%{transform:translate(-5px)}to{transform:translate(0)}}.is-randomizing{animation:.5s ease-in-out shake}@media (width<=600px){header h1{font-size:2rem}.container{padding:15px}.card-image{height:250px}.stamp-mark{padding:.3rem .8rem;font-size:1.2rem;top:10px;right:10px}.btn-random{padding:.8rem;font-size:1.1rem}nav button{max-width:none;padding:.5rem;font-size:.95rem}.history-list{grid-template-columns:1fr}.history-card img{height:220px}}