:root{--bg: #0c2226;--panel: #163a40;--cream: #f4ecd8;--coral: #ff5a4e;--yellow: #ffd166;--ink: #0f2a2f;--muted: #9fb8b4;color-scheme:dark;font-family:Pretendard,-apple-system,BlinkMacSystemFont,Apple SD Gothic Neo,Malgun Gothic,sans-serif}*{box-sizing:border-box}html,body{margin:0;background:var(--bg);color:var(--cream)}body{min-height:100vh;-webkit-tap-highlight-color:transparent;user-select:none}button{font:inherit;cursor:pointer}.page{max-width:980px;margin:0 auto;padding-block:12px 24px;padding-left:max(16px,env(safe-area-inset-left,0px));padding-right:max(16px,env(safe-area-inset-right,0px));display:flex;flex-direction:column;align-items:center;gap:12px}.top{width:100%;display:flex;justify-content:space-between;align-items:center}.top h1{margin:0;font-size:18px;letter-spacing:.18em;font-weight:800}.top-btns{display:flex;gap:6px}.icon-btn{background:transparent;color:var(--muted);border:1px solid #2c5a61;border-radius:6px;padding:4px 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