/* Launchpad Write and Grid - shared look. Each page sets --a1 (its colour). */
:root{
  --bg:#eef1f6; --card:#ffffff; --ink:#18202b; --soft:#5d6878; --rule:#d9dfe8; --bar:#14213d;
  --tool:#f7f9fc; --hover:#e7ecf4; --on:#dbe6ff; --good:#15803d; --bad:#c62828;
  --paper:#ffffff; --paper-ink:#1b1b1b;
  --ui:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
@media (prefers-color-scheme: dark){ :root:not([data-theme="light"]){
  --bg:#10141b; --card:#19202a; --ink:#e6ebf2; --soft:#9aa6b6; --rule:#2c3644; --bar:#0b1220;
  --tool:#1d2531; --hover:#273141; --on:#2b3d63; --good:#4ade80; --bad:#f87171; color-scheme:dark; } }
:root[data-theme="dark"]{
  --bg:#10141b; --card:#19202a; --ink:#e6ebf2; --soft:#9aa6b6; --rule:#2c3644; --bar:#0b1220;
  --tool:#1d2531; --hover:#273141; --on:#2b3d63; --good:#4ade80; --bad:#f87171; color-scheme:dark; }

*{box-sizing:border-box}
[hidden]{display:none!important}
html,body{margin:0;height:100%}
body{background:var(--bg);color:var(--ink);font:15px/1.45 var(--ui);display:flex;flex-direction:column;overflow:hidden}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}

/* ---- top bar ---- */
.top{background:var(--bar);color:#fff;display:flex;align-items:center;gap:10px;padding:8px 14px;flex:none;position:relative;z-index:6}
.brand{display:flex;align-items:center;gap:9px;font-weight:800;font-size:1.05rem;white-space:nowrap;color:#fff;text-decoration:none}
.brand i{font-style:normal;width:30px;height:30px;border-radius:9px;display:grid;place-items:center;background:var(--a1);box-shadow:inset 0 1px 0 rgba(255,255,255,.35);font-size:16px}
.title-in{background:rgba(255,255,255,.1);border:1px solid transparent;border-radius:9px;padding:5px 10px;color:#fff;min-width:0;flex:0 1 320px;font-weight:600}
.title-in:hover{border-color:rgba(255,255,255,.25)}
.title-in:focus{outline:none;border-color:#fff;background:rgba(255,255,255,.16)}
.status{font-size:.82rem;color:#c9d3e3;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:0}
.top .sp{flex:1}
.tbtn{background:rgba(255,255,255,.12);border:0;color:#fff;border-radius:999px;padding:6px 13px;font-weight:600;font-size:.88rem;white-space:nowrap;text-decoration:none;display:inline-flex;align-items:center;gap:6px}
.tbtn:hover{background:rgba(255,255,255,.22)}
.tbtn:focus-visible,.tb:focus-visible,.of-btn:focus-visible{outline:2px solid var(--a1);outline-offset:2px}
@media (max-width:640px){
  .status,.brand span,.tbtn .lbl{display:none} .title-in{flex:1 1 80px;min-width:80px}
  .top{gap:6px;padding:8px 10px} .tbtn{padding:6px 10px} .top a.tbtn{display:none}
}

/* ---- the ribbon ---- */
.ribbon{background:var(--tool);border-bottom:1px solid var(--rule);display:flex;flex-wrap:wrap;align-items:center;gap:3px 2px;padding:6px 10px;flex:none;position:relative;z-index:5}
.grp{display:flex;align-items:center;gap:2px;padding:0 6px;border-right:1px solid var(--rule)}
.grp:last-child{border-right:0}
.tb{min-width:32px;height:32px;border:1px solid transparent;background:transparent;border-radius:8px;display:inline-grid;place-items:center;padding:0 7px;font-size:.92rem;line-height:1;color:var(--ink)}
.tb:hover{background:var(--hover)}
.tb[aria-pressed="true"]{background:var(--on);border-color:color-mix(in srgb,var(--a1) 45%,transparent)}
.tb.wide{padding:0 10px;font-weight:600;font-size:.85rem}
.ribbon select{height:32px;border:1px solid var(--rule);border-radius:8px;background:var(--card);padding:0 6px;font-size:.86rem;max-width:150px}
.colorbtn{position:relative}
.colorbtn input[type=color]{position:absolute;inset:0;opacity:0;width:100%;height:100%;cursor:pointer;border:0;padding:0}
.colorbtn .bar{position:absolute;left:6px;right:6px;bottom:4px;height:4px;border-radius:2px}

/* menus (Export ▾) */
.menuwrap{position:relative}
.menu{position:absolute;top:calc(100% + 4px);right:0;min-width:220px;background:var(--card);border:1px solid var(--rule);border-radius:14px;padding:6px;box-shadow:0 14px 34px -10px rgba(0,0,0,.35);z-index:30}
.menu button{display:flex;width:100%;text-align:left;gap:10px;align-items:center;border:0;background:transparent;padding:9px 10px;border-radius:9px;font-size:.92rem}
.menu button:hover{background:var(--hover)}
.menu small{color:var(--soft);display:block;font-size:.78rem}

/* ---- buttons, dialogs, toast ---- */
.of-btn{background:var(--a1);color:#fff;border:0;border-radius:999px;padding:9px 16px;font-weight:700;display:inline-flex;align-items:center;gap:6px;cursor:pointer}
.of-btn.ghost{background:transparent;color:var(--ink);border:1px solid var(--rule)}
.of-dialog{border:1px solid var(--rule);border-radius:22px;background:var(--card);color:var(--ink);padding:18px;width:min(560px,calc(100vw - 32px));max-height:min(80vh,680px)}
.of-dialog::backdrop{background:rgba(10,14,24,.45)}
.of-dhead{display:flex;align-items:center;justify-content:space-between;gap:10px}
.of-dhead h2{margin:0;font-size:1.2rem}
.of-x{border:0;background:var(--hover);border-radius:999px;width:32px;height:32px}
.of-where{color:var(--soft);font-size:.86rem;margin:6px 0 12px}
.of-new{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:12px}
.of-list{list-style:none;margin:0;padding:0;display:grid;gap:6px;overflow:auto;max-height:46vh}
.of-list li{display:flex;gap:6px;align-items:stretch}
.of-list li.cur .of-open{border-color:var(--a1)}
.of-open{flex:1;display:flex;gap:12px;align-items:center;text-align:left;background:var(--tool);border:1px solid var(--rule);border-radius:12px;padding:9px 12px;min-width:0}
.of-open:hover{background:var(--hover)}
.of-open strong{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.of-open span:last-child{min-width:0}
.of-open small{color:var(--soft)}
.of-ic{font-size:22px}
.of-del{border:1px solid var(--rule);background:transparent;border-radius:12px;padding:0 12px}
.of-del.armed{background:var(--bad);color:#fff;border-color:var(--bad);font-weight:700;font-size:.85rem}
.of-empty{color:var(--soft);padding:14px 4px}
#ofToast{position:fixed;left:50%;bottom:22px;transform:translate(-50%,20px);opacity:0;pointer-events:none;background:#111827;color:#fff;padding:10px 16px;border-radius:999px;font-weight:600;transition:.2s;z-index:99;max-width:calc(100vw - 32px)}
#ofToast.show{opacity:1;transform:translate(-50%,0)}
#ofToast.bad{background:var(--bad)}

/* ---- status bar at the bottom ---- */
.foot{flex:none;display:flex;align-items:center;gap:16px;padding:5px 14px;font-size:.8rem;color:var(--soft);background:var(--tool);border-top:1px solid var(--rule)}
.foot .sp{flex:1}
.foot input[type=range]{width:110px;accent-color:var(--a1)}

/* ===== Office-style tabs, ribbon and File screen (shared by the Suite apps) ===== */
/* ---- tabs and ribbon, like Word ---- */
.tabsbar{flex:none;display:flex;gap:2px;padding:4px 10px 0;background:var(--tool);overflow-x:auto;scrollbar-width:none}
.tabsbar button{border:0;background:transparent;padding:7px 14px 8px;border-radius:10px 10px 0 0;font-weight:600;font-size:.9rem;color:var(--soft);white-space:nowrap}
.tabsbar button:hover{color:var(--ink);background:var(--hover)}
.tabsbar button[aria-selected="true"]{color:var(--a1);background:var(--card);box-shadow:inset 0 -3px 0 var(--a1)}
.tabsbar button.file{color:#fff;background:var(--a1);margin-right:6px}
.tabsbar button.ctx{color:#b45309}
.tabsbar button.ctx[aria-selected="true"]{color:#b45309;box-shadow:inset 0 -3px 0 #f59e0b}
.ribbon[data-panel]{align-items:stretch;padding:6px 8px 4px;min-height:96px;background:var(--card)}
.ribbon[hidden]{display:none!important}
.rg{display:flex;flex-direction:column;justify-content:space-between;padding:0 8px;border-right:1px solid var(--rule);gap:3px}
.rg:last-child{border-right:0}
.rg .row{display:flex;gap:2px;align-items:center;flex-wrap:wrap}
.rg .gl{font-size:.7rem;color:var(--soft);text-align:center;padding-top:2px;white-space:nowrap}
.big{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;min-width:58px;height:62px;border:1px solid transparent;background:transparent;border-radius:10px;font-size:.74rem;font-weight:600;color:var(--ink);padding:2px 6px;line-height:1.1;text-align:center}
.big i{font-style:normal;font-size:1.5rem;line-height:1}
.big:hover{background:var(--hover)}
.big[aria-pressed="true"]{background:var(--on)}
label.big{cursor:pointer}
.gallery{display:flex;gap:4px;overflow-x:auto;max-width:300px;padding:2px;flex-wrap:nowrap!important}
@media (min-width:1400px){ .gallery{max-width:560px} }
.gallery button{flex:none;width:86px;height:56px;border:1px solid var(--rule);border-radius:9px;background:#fff;color:#1b1b1b;text-align:left;padding:4px 8px;overflow:hidden;white-space:nowrap}
.gallery button small{display:block;font:500 9px var(--ui);color:#6b7280;margin-top:2px}
.gallery button[aria-pressed="true"]{border-color:var(--a1);box-shadow:0 0 0 2px color-mix(in srgb,var(--a1) 30%,transparent)}
.ddwrap{position:relative}
.dd{position:absolute;top:calc(100% + 4px);left:0;z-index:40;background:var(--card);border:1px solid var(--rule);border-radius:14px;padding:8px;box-shadow:0 14px 34px -10px rgba(0,0,0,.35);min-width:170px}
.dd button.opt{display:flex;width:100%;gap:8px;align-items:center;border:0;background:transparent;padding:8px 10px;border-radius:8px;text-align:left;white-space:nowrap}
.dd button.opt:hover{background:var(--hover)}
.dd button.opt[aria-pressed="true"]{background:var(--on)}
.tgrid{display:grid;grid-template-columns:repeat(10,18px);gap:3px}
.tgrid span{width:18px;height:18px;border:1px solid var(--rule);border-radius:3px;background:var(--tool)}
.tgrid span.on{background:color-mix(in srgb,var(--a1) 35%,transparent);border-color:var(--a1)}
.tgrid-lbl{font-size:.8rem;color:var(--soft);margin:6px 0 2px;text-align:center}
.symgrid{display:grid;grid-template-columns:repeat(10,34px);gap:4px}
.symgrid button{height:34px;border:1px solid var(--rule);border-radius:8px;background:var(--tool);font-size:1.05rem}
.symgrid button:hover{background:var(--hover)}
/* backstage (File) */
#backstage{position:fixed;inset:0;z-index:80;background:var(--bg);display:flex}
#backstage nav{width:230px;background:var(--a1);color:#fff;padding:16px 10px;display:flex;flex-direction:column;gap:4px}
#backstage nav button{border:0;background:transparent;color:#fff;text-align:left;padding:10px 14px;border-radius:10px;font-weight:600;font-size:.95rem}
#backstage nav button:hover,#backstage nav button[aria-selected="true"]{background:rgba(255,255,255,.18)}
#backstage section{flex:1;overflow:auto;padding:28px 34px}
#backstage h2{margin:0 0 16px}
.bgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:12px;max-width:900px}
.bgrid button{display:flex;gap:12px;align-items:center;text-align:left;padding:14px;border-radius:16px;border:1px solid var(--rule);background:var(--card)}
.bgrid button:hover{background:var(--hover)}
.bgrid i{font-style:normal;font-size:1.8rem}
.bgrid small{display:block;color:var(--soft);font-size:.8rem}
.info dt{color:var(--soft);font-size:.85rem}.info dd{margin:0 0 12px;font-weight:600}
@media (max-width:700px){ #backstage{flex-direction:column} #backstage nav{width:auto;flex-direction:row;overflow-x:auto} }
/* working together */
.of-peers{display:inline-flex;align-items:center;margin-right:2px}
.of-av{width:30px;height:30px;border-radius:50%;display:inline-grid;place-items:center;color:#fff;font:700 12px var(--ui);border:2px solid var(--card);margin-left:-6px;flex:none}
.of-peers .of-av:first-child{margin-left:0}
.of-av.more{background:var(--soft)}
.of-share .of-addp{display:flex;gap:6px;flex-wrap:wrap}
.of-share .of-addp input{flex:1 1 200px;min-width:0;height:40px;border:1px solid var(--rule);border-radius:10px;padding:0 12px;background:var(--tool);color:var(--ink);font:inherit}
.of-share select{height:40px;border:1px solid var(--rule);border-radius:10px;background:var(--card);color:var(--ink);padding:0 6px}
.of-share .of-err{color:#dc2626;font-size:.86rem;margin:6px 0 0;min-height:1em}
.of-plist{list-style:none;margin:12px 0 0;padding:0;display:grid;gap:8px;max-height:40vh;overflow:auto}
.of-plist li{display:flex;align-items:center;gap:10px}
.of-plist li .of-av{margin:0}
.of-plist li > span:nth-child(2){flex:1;min-width:0}
.of-plist b{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.of-plist small{color:var(--soft)}
.of-plist .of-del{height:36px}
.of-viewonly .ribbon[data-panel],.of-viewonly .ribbon[role=toolbar],.of-viewonly #ofFiles .of-new{opacity:.45;pointer-events:none}

/* a locked file: nothing of it shows */
body.of-locked > :not(dialog):not(header.top):not(.of-toast){visibility:hidden}
body.of-locked header.top .tbtn:not(.of-sharebtn){visibility:hidden}