body,body[data-theme=dark]{background:#1a1a1a;color:#f7f8fa;transition:background var(--transition),color var(--transition)}body[data-theme=light]{background:#1a1a1a;color:#f7f8fa}:root{--primary-orange: #ffa116;--primary-green: #2db55d;--primary-red: #ff2d55;--primary-blue: #2563eb;--primary-blue-hover: #1d4ed8;--background-dark: #1a1a1a;--card-bg-dark: #262626;--text-dark: #f7f8fa;--border-dark: #333;--border-radius: 12px;--transition: .2s ease}.leetcode-arena-root{min-height:100vh;background:#1a1a1a;color:#f7f8fa;display:flex;flex-direction:column}.leetcode-arena-header{display:flex;align-items:center;justify-content:space-between;background:#262626;color:#ffa116;padding:1rem 2rem;font-size:1.1rem;font-weight:600;border-bottom:1px solid #333}.leetcode-arena-title{font-size:1.3rem;font-weight:700;color:#ffa116}.leetcode-arena-split{display:flex;flex:1;min-height:0;width:100vw;height:100%}.leetcode-arena-left{flex:1.1;background:#262626;padding:2rem 1.5rem 2rem 2.5rem;border-right:1px solid #333;overflow-y:auto;min-width:0;height:100%;display:flex;flex-direction:column}.leetcode-arena-right{flex:1.3;background:#1a1a1a;padding:2rem 2.5rem 2rem 1.5rem;min-width:0;display:flex;flex-direction:column;gap:1.5rem}.leetcode-arena-problem h2{color:#ffa116;font-size:1.2rem;margin-bottom:.5rem}.leetcode-arena-problem{background:#262626;border-radius:10px;box-shadow:0 2px 8px #0000000a;padding:1.5rem 2rem;margin-bottom:1.5rem;color:#f7f8fa;flex-shrink:0}.leetcode-arena-left .rating-system{margin-top:auto;margin-bottom:0;padding:1rem 0 0}.leetcode-arena-left>*:last-child{margin-bottom:0}.leetcode-arena-examples h4{color:#ffa116;margin-bottom:.5rem}.leetcode-arena-example{margin-bottom:8px}.leetcode-arena-editor{background:#262626;border-radius:10px;box-shadow:0 2px 8px #0000000a;padding:1.5rem 2rem;color:#000}.leetcode-arena-custom-test{background:#262626;border-radius:10px;box-shadow:0 2px 8px #0000000a;padding:1.5rem 2rem;color:#f7f8fa}.leetcode-arena-textarea{width:100%;font-family:monospace;border-radius:8px;border:1px solid #333;background:#1a1a1a;color:#f7f8fa;margin-bottom:8px;padding:8px}.leetcode-arena-btn{background:#ffa116;color:#1a1a1a;border:none;border-radius:8px;padding:.6rem 1.5rem;font-size:1rem;font-weight:600;cursor:pointer;margin:.5rem 0;transition:background var(--transition),transform var(--transition)}.leetcode-arena-btn:hover{background:#e59400;color:#fff;transform:translateY(-1px)}.leetcode-arena-results{background:#262626;border-radius:10px;box-shadow:0 2px 8px #0000000a;padding:1.5rem 2rem;color:#f7f8fa}.leetcode-arena-solve-times{background:#262626;border-radius:10px;box-shadow:0 2px 8px #0000000a;padding:1.5rem 2rem;color:#f7f8fa;margin-top:1rem}.dashboard-grid,.dashboard-tile,.neon-card,.compete-room-container,.compete-status-bar,.compete-problem-card,.compete-editor-card{background:#262626!important;color:#f7f8fa!important;border-color:#333!important;box-shadow:0 4px 24px #0000001f!important}body,.dashboard-grid,.dashboard-tile{background:#1a1a1a!important;color:#f7f8fa!important}.neon-btn,.dashboard-tile:hover{background:#ffa116!important;color:#1a1a1a!important;border-color:#ffa116!important}.neon-btn:hover{background:#e59400!important;color:#fff!important}.neon-card{background:var(--card-bg-light);color:var(--text-light);border-radius:var(--border-radius);box-shadow:0 4px 6px -1px #00000014,0 2px 4px -1px #0000000a;border:1px solid var(--border-light);padding:2rem;margin:2rem auto;max-width:400px;transition:background var(--transition),color var(--transition),box-shadow var(--transition)}body[data-theme=dark] .neon-card{background:var(--card-bg-dark);color:var(--text-dark);border-color:var(--border-dark);box-shadow:0 4px 6px -1px #0000002e,0 2px 4px -1px #0000001f}.neon-btn{background:var(--primary-orange);color:#fff;border:none;border-radius:8px;padding:.75rem 2rem;font-size:1rem;font-weight:600;cursor:pointer;margin:.5rem 0;transition:background var(--transition),transform var(--transition)}.neon-btn:hover{background:#e59400;transform:translateY(-1px)}.dashboard-grid{display:grid;grid-template-columns:repeat(2,200px);grid-template-rows:repeat(2,200px);gap:2rem;justify-content:center;align-items:center;margin:4rem auto 0}.dashboard-tile{background:var(--card-bg-light);color:var(--text-light);border-radius:var(--border-radius);border:2px solid var(--border-light);box-shadow:0 4px 6px -1px #00000014;display:flex;flex-direction:column;align-items:center;justify-content:center;font-size:1.2rem;font-weight:600;cursor:pointer;transition:all var(--transition);-webkit-user-select:none;user-select:none;aspect-ratio:1}.dashboard-tile:hover{background:var(--primary-orange);color:#fff;border-color:var(--primary-orange);box-shadow:0 8px 25px -5px #ffa1162e;transform:translateY(-2px)}body[data-theme=dark] .dashboard-tile{background:var(--card-bg-dark);color:var(--text-dark);border-color:var(--border-dark)}.theme-toggle{position:fixed;top:1.5rem;right:2rem;background:var(--card-bg-light);border:1px solid var(--border-light);color:var(--text-light);font-size:1.2rem;cursor:pointer;z-index:100;padding:.5rem;border-radius:8px;transition:all var(--transition)}body[data-theme=dark] .theme-toggle{background:var(--card-bg-dark);border-color:var(--border-dark);color:var(--text-dark)}@media (max-width: 600px){.dashboard-grid{grid-template-columns:repeat(2,140px);grid-template-rows:repeat(2,140px);gap:1rem}.dashboard-tile{font-size:1rem;padding:.5rem}.neon-card{padding:1rem;max-width:95vw}}.compete-room-container{max-width:1100px;margin:2.5rem auto;background:var(--card-bg-light);border-radius:14px;box-shadow:0 4px 24px #00000012;padding:2rem 2.5rem;display:flex;flex-direction:column;gap:2rem}.compete-status-bar{display:flex;justify-content:space-between;align-items:center;background:#f7f8fa;border-radius:8px;padding:1rem 1.5rem;font-size:1.1rem;font-weight:500;color:var(--primary-orange);box-shadow:0 2px 8px #00000008}.compete-problem-card{background:#fff;border-radius:10px;box-shadow:0 2px 8px #0000000a;padding:1.5rem 2rem;margin-bottom:.5rem}.compete-problem-card h2{color:var(--primary-orange);font-size:1.4rem;margin-bottom:.5rem}.compete-editor-card{background:#fff;border-radius:10px;box-shadow:0 2px 8px #0000000a;padding:1.5rem 2rem;margin-bottom:.5rem}@media (max-width: 900px){.compete-room-container{padding:1rem .5rem}.compete-problem-card,.compete-editor-card{padding:1rem}.compete-status-bar{flex-direction:column;gap:.5rem;align-items:flex-start}}