@font-face{font-family:KoddiudOngodic;src:url(https://cdn.jsdelivr.net/gh/projectnoonnu/noonfonts_2105_2@1.0/KoddiUDOnGothic-Regular.woff) format("woff");font-weight:400;font-display:swap}@font-face{font-family:KoddiudOngodic;src:url(https://cdn.jsdelivr.net/gh/projectnoonnu/noonfonts_2105_2@1.0/KoddiUDOnGothic-Bold.woff) format("woff");font-weight:700;font-display:swap}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}:root{--bg: #f5f5f5;--surface: #ffffff;--text: #1a1a1a;--text-sub: #888888;--accent: #3b82f6;--accent-light: rgba(59, 130, 246, .08);--border: #e0e0e0;--radius: 12px}body{font-family:KoddiudOngodic,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:var(--bg);color:var(--text);min-height:100dvh;-webkit-tap-highlight-color:transparent}.header{text-align:center;padding:20px 16px 12px}.logo{font-size:20px;font-weight:700}.main{max-width:420px;margin:0 auto;padding:0 16px 40px;display:flex;flex-direction:column;align-items:center;gap:20px}.canvas-area{width:100%;max-width:380px;background:var(--surface);border:2px solid var(--border);border-radius:var(--radius);padding:6px;display:flex;flex-direction:column;gap:0}.canvas-wrapper{position:relative;width:100%;aspect-ratio:1}#display-canvas{display:block;width:100%;height:100%;border-radius:8px 8px 0 0}.info-bar{display:flex;align-items:center;justify-content:center;gap:8px;padding:8px 0 4px;font-size:14px;color:var(--text-sub);background:#f0f0f0}.char-btn{display:inline-flex;align-items:center;gap:4px;padding:4px 10px;border:1.5px solid var(--border);border-radius:8px;background:var(--surface);cursor:pointer;font-family:inherit;color:var(--text)}.char-btn:active{border-color:var(--accent);background:var(--accent-light)}.char-btn-text{font-size:18px;font-weight:700}.char-btn svg{color:var(--text-sub)}.info-separator{color:var(--border);font-size:16px}.info-angle{font-weight:600;color:var(--text-sub)}.info-water{color:var(--accent);font-size:14px}.info-water strong{font-weight:700}.rotation-control{display:flex;flex-direction:column;align-items:center;gap:12px;width:100%}.rotation-dial{position:relative;width:140px;height:140px;cursor:grab}.rotation-dial:active{cursor:grabbing}.dial-ring{width:100%;height:100%;border-radius:50%;border:2px solid var(--border);background:var(--surface);position:relative;display:flex;align-items:center;justify-content:center}.dial-arrow{width:3px;height:50px;background:var(--accent);border-radius:2px;position:absolute;top:calc(50% - 50px);left:calc(50% - 1.5px);transform-origin:bottom center}.dial-center{width:10px;height:10px;background:var(--accent);border-radius:50%;position:relative;z-index:1}.dial-ticks{position:absolute;inset:0}.tick{position:absolute;font-size:11px;color:var(--text-sub)}.tick-0{top:-18px;left:50%;transform:translate(-50%)}.tick-90{right:-24px;top:50%;transform:translateY(-50%)}.tick-180{bottom:-18px;left:50%;transform:translate(-50%)}.tick-270{left:-30px;top:50%;transform:translateY(-50%)}.angle-display{font-size:16px;font-weight:600;color:var(--accent);margin-top:4px}.action-buttons{display:flex;gap:10px;width:100%;max-width:340px}.action-btn{flex:1;padding:12px;border:none;border-radius:var(--radius);font-family:inherit;font-size:14px;font-weight:600;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:6px}.action-btn:active{opacity:.8}.save-btn{background:var(--accent);color:#fff}.twitter-btn{background:#000;color:#fff}.modal-overlay{position:fixed;inset:0;background:#0006;display:none;align-items:center;justify-content:center;z-index:100;padding:16px}.modal-overlay.active{display:flex}.modal{background:var(--surface);border-radius:16px;padding:24px;width:100%;max-width:320px;text-align:center}.modal-title{font-size:18px;font-weight:700;margin-bottom:8px}.modal-desc{font-size:13px;color:var(--text-sub);line-height:1.5;margin-bottom:16px}.modal-input-row{display:flex;align-items:center;gap:8px;width:100%}.modal-input{flex:1;min-width:0;text-align:center;font-size:48px;font-family:KoddiudOngodic,sans-serif;font-weight:700;padding:12px;border:2px solid var(--border);border-radius:var(--radius);outline:none;background:var(--bg);color:var(--text)}.modal-input:focus{border-color:var(--accent)}.modal-random-btn{width:56px;height:56px;border:2px solid var(--border);border-radius:var(--radius);background:var(--bg);font-size:28px;cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0}.modal-random-btn:active{border-color:var(--accent);background:var(--accent-light)}.modal-error{font-size:12px;color:#dc2626;min-height:18px;margin:8px 0}.modal-buttons{display:flex;gap:8px}.modal-btn{flex:1;padding:12px;border-radius:var(--radius);font-family:inherit;font-size:15px;font-weight:600;cursor:pointer;border:none}.modal-cancel{background:var(--bg);color:var(--text-sub)}.modal-confirm{background:var(--accent);color:#fff}.modal-btn:active{opacity:.8}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-4px)}75%{transform:translate(4px)}}.shake{animation:shake .3s ease-in-out;border-color:#dc2626!important}.footer{text-align:center;padding:12px 16px 24px;font-size:12px;color:#bbb}.footer a{color:#bbb;text-decoration:none}.footer a:hover{color:#999}.footer-sep{margin:0 6px}