:root{--bg: #f5f2ec;--text-main: #27303a;--card-bg: #faf9f6;--card-border: rgba(15, 23, 42, .12);--card-shadow: 0 14px 40px rgba(15, 23, 42, .08)}html,body{margin:0;width:100%;height:100%;overflow:hidden;background:var(--bg);color:var(--text-main);font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;-webkit-font-smoothing:antialiased}body:before{display:none}#canvas{position:fixed;inset:0}.app-header{position:fixed;top:18px;left:24px;right:24px;display:flex;justify-content:space-between;align-items:center;pointer-events:none;z-index:1000}.app-header *{pointer-events:auto}.app-title{font-size:18px;font-weight:500;letter-spacing:.04em}.app-link{font-size:12px;color:#00000073;text-decoration:none}.app-link:hover{color:#000000a6;text-decoration:underline}#card-editor{position:fixed;padding:8px 10px;border-radius:6px;border:1px solid var(--card-border);box-shadow:var(--card-shadow);background:var(--card-bg);font-family:inherit;font-size:16px;line-height:1.4;color:var(--text-main);resize:none;outline:none;display:none;z-index:900;overflow:hidden;touch-action:manipulation}@media (max-width: 768px){#card-editor{max-width:92vw;max-height:60vh}}.app-hints{position:fixed;left:50%;bottom:20px;transform:translate(-50%);max-width:720px;padding:0;border-radius:0;background:transparent;box-shadow:none;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-size:13px;line-height:1.4;color:#0f172a8c;text-align:center;pointer-events:none}@media (max-width: 768px){.app-hints{bottom:24px;max-width:92vw;font-size:12px;line-height:1.35}}.app-hints br{display:block}.app-title-link{pointer-events:auto;color:inherit;text-decoration:none}.app-title-link:hover{text-decoration:underline;cursor:pointer;opacity:.9}