:root{--paper: #f6f5f1;--surface: #ffffff;--line: #e3e1d9;--ink: #1d1d1b;--muted: #7a7870;--chip: #efeee9;--accent: #1d1d1b;--danger: #b3261e;--ok: #3a9a5b;--wait: #d99a1e;--radius: 12px;font-family:Inter,system-ui,-apple-system,Segoe UI,sans-serif;color:var(--ink);background:var(--paper);-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{background:var(--paper);overscroll-behavior:none}h1,h2{margin:0;font-weight:600}a{color:inherit;text-decoration:none}input,button{font:inherit;color:inherit}.muted{color:var(--muted)}.small{font-size:13px}.error{color:var(--danger);margin:0}.error.banner{padding:8px 24px}.spacer{flex:1}.btn{display:inline-flex;align-items:center;gap:6px;min-height:40px;padding:0 16px;border:1px solid var(--line);border-radius:10px;background:var(--surface);cursor:pointer}.btn:disabled{opacity:.45;cursor:default}.btn.primary{background:var(--accent);border-color:var(--accent);color:#fff}.btn.ghost{background:transparent;border-color:transparent}.btn.ghost:not(:disabled):hover{background:var(--chip)}.btn.danger{background:var(--danger);border-color:var(--danger);color:#fff}.btn.small{min-height:32px;padding:0 10px;font-size:13px}.danger-text{color:var(--danger)}input[type=password],input[type=text],input:not([type]){width:100%;min-height:44px;padding:0 12px;border:1px solid var(--line);border-radius:10px;background:var(--surface)}input:focus-visible,.btn:focus-visible{outline:2px solid var(--ink);outline-offset:2px}.page{min-height:100%;display:flex;flex-direction:column}.topbar{display:flex;align-items:center;gap:8px;padding:max(12px,env(safe-area-inset-top)) max(24px,env(safe-area-inset-right)) 12px max(24px,env(safe-area-inset-left));border-bottom:1px solid var(--line);background:var(--surface)}.brand{font-size:20px;letter-spacing:-.01em}.board-heading{font-size:17px}.placeholder{flex:1;display:grid;place-items:center}.passcode{height:100%;display:grid;place-items:center;padding:16px}.passcode-card{width:min(360px,100%);display:flex;flex-direction:column;gap:12px;padding:32px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius)}.passcode-card h1{font-size:24px;margin-bottom:8px}.passcode-field{position:relative}.passcode-field input{padding-right:64px}.passcode-field .btn{position:absolute;right:6px;top:6px}.board-grid{display:grid;gap:20px;padding:24px;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));align-content:start}.board-card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column}.board-thumb{aspect-ratio:16 / 9;display:grid;place-items:center;padding:14px;background:var(--paper);border-bottom:1px solid var(--line)}.board-thumb .frame{max-width:100%;max-height:100%;background:var(--surface);border:1px solid var(--line);border-radius:4px;overflow:hidden}.board-thumb img{width:100%;height:100%;object-fit:cover;display:block}.board-meta{padding:12px 14px 8px;display:flex;flex-direction:column;gap:2px}.board-title{font-weight:600}.rename{min-height:32px!important}.card-actions{display:flex;gap:4px;margin:6px 0 0 -10px}.empty{grid-column:1 / -1;display:flex;flex-direction:column;align-items:center;gap:12px;padding:64px 0}.modal{border:1px solid var(--line);border-radius:var(--radius);padding:0;width:min(440px,calc(100% - 32px));background:var(--surface);color:var(--ink)}.modal::backdrop{background:#1d1d1b59}.modal-body{padding:24px;display:flex;flex-direction:column;gap:14px}.modal-body h2{font-size:18px}.modal-body p{margin:0}.modal-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:4px}.new-board{display:flex;flex-direction:column;gap:14px}.new-board label{display:flex;flex-direction:column;gap:6px}.new-board label span,.new-board legend{font-size:13px;color:var(--muted)}.new-board fieldset{border:0;padding:0;margin:0}.new-board legend{margin-bottom:6px}.ratio-picker{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}.ratio{display:flex;flex-direction:column;align-items:center;gap:6px;padding:10px 4px;border:1px solid var(--line);border-radius:10px;background:var(--surface);cursor:pointer;font-size:13px}.ratio.selected{border-color:var(--ink);background:var(--chip)}.ratio-box{width:44px;height:32px;display:grid;place-items:center}.ratio-shape{max-width:100%;max-height:100%;border:1.5px solid currentColor;border-radius:2px}.sync-dot{width:10px;height:10px;border-radius:50%;margin:0 8px}.sync-dot.green{background:var(--ok)}.sync-dot.amber{background:var(--wait)}.sync-dot.red{background:var(--danger)}.rotate-notice{display:none}@media(orientation:portrait)and (pointer:coarse){.rotate-notice{display:flex;position:fixed;top:0;right:0;bottom:0;left:0;z-index:1000;flex-direction:column;align-items:center;justify-content:center;gap:12px;background:var(--paper);font-size:18px}}