:root{--battle-bg: #1a202c;--ui-bg: #2d3748;--ui-border: #4a5568;--text-light: #f7fafc;--text-dark: #a0aec0;--accent-color: #4299e1;--hp-high: #48bb78;--hp-mid: #f6e05e;--hp-low: #f56565}.battle-page{max-width:900px;margin:2rem auto;padding:1rem;font-family:Segoe UI,Tahoma,Geneva,Verdana,sans-serif;color:var(--text-light)}.battle-loading,.battle-error,.battle-waiting{text-align:center;padding:4rem;font-size:1.5rem;color:var(--text-dark);background-color:var(--ui-bg);border-radius:12px}.battle-arena{display:flex;flex-direction:column;border:2px solid var(--ui-border);border-radius:12px;padding:1.5rem;background:linear-gradient(145deg,#2c3e50,#34495e);box-shadow:0 10px 30px #0006;position:relative}.player-section,.opponent-section{display:flex;align-items:flex-end;position:relative;height:200px}.opponent-section{justify-content:flex-start;align-items:flex-start}.player-section{justify-content:flex-end}.player-hud,.opponent-hud{border:1px solid var(--ui-border);padding:.75rem 1.25rem;border-radius:8px;background-color:#2d3748cc;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);width:250px;box-shadow:0 4px 15px #0003;position:absolute}.opponent-hud{top:1.5rem;left:1.5rem}.player-hud{bottom:7rem;right:1.5rem}.player-hud h3,.opponent-hud h3{margin:0 0 .5rem;font-size:1.3rem;font-weight:700;text-shadow:1px 1px 3px rgba(0,0,0,.5)}.leximon-sprite{position:absolute;width:150px;height:150px;display:flex;flex-direction:column;align-items:center;justify-content:center;transition:transform .3s ease-in-out}.leximon-sprite.player{bottom:1rem;left:5%}.leximon-sprite.opponent{top:1rem;right:5%}.leximon-sprite:hover{transform:scale(1.1)}.leximon-sprite img{max-width:120px;max-height:120px;image-rendering:crisp-edges;filter:drop-shadow(0 5px 15px rgba(0,0,0,.3))}.battle-controls{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem;margin-top:1rem;border-top:2px solid var(--ui-border);padding-top:1.5rem;background-color:var(--ui-bg);border-radius:0 0 10px 10px;padding:1.5rem;margin:0 -1.5rem -1.5rem}.battle-log{background-color:#1a202ccc;border-radius:8px;padding:1rem;height:180px;overflow-y:auto;color:var(--text-dark);border:1px solid var(--ui-border)}.battle-log h3{margin-top:0;color:var(--text-light);font-size:1.1rem}.battle-log p{border-bottom:1px solid var(--ui-border);padding-bottom:.5rem;margin-bottom:.5rem}.battle-log p:last-child{border-bottom:none}.action-menu{padding:1rem}.action-menu h3{margin-top:0;font-size:1.1rem}.action-menu .grid{display:grid;grid-template-columns:repeat(2,1fr);gap:.75rem}.action-button{background-color:var(--accent-color);color:#fff;border:none;padding:.75rem;border-radius:8px;font-size:1rem;font-weight:700;cursor:pointer;transition:all .2s ease-in-out;box-shadow:0 2px 5px #0003}.action-button:hover{background-color:#2b6cb0;transform:translateY(-2px);box-shadow:0 4px 10px #0000004d}@keyframes fade-in{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.animate-fade-in{animation:fade-in .5s ease-out forwards}