:root{--bg:#07090F;--s1:#121724;--s2:#1A2131;--line:rgba(255,255,255,.08);--fg:#F4F6FB;--fg2:#B7BFD1;--fg3:#7C879E;--a1:#6C8CFF;--a2:#B36BFF;--mint:#3EE6A8;--amber:#FFB74A;--coral:#FF5E7A;}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.45 Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;-webkit-font-smoothing:antialiased}
main{max-width:560px;margin:0 auto;padding:24px 16px 8px}
h1{font-size:26px;letter-spacing:-.02em;margin:8px 0 16px}
h2{font-size:13px;letter-spacing:.06em;text-transform:uppercase;color:var(--fg3);margin:0 0 10px}
.frame{background:var(--s1);border:1px solid var(--line);border-radius:22px;padding:16px;margin:0 0 12px}
.frame p{margin:0;word-break:break-word}
.frame img,.frame video{width:100%;display:block;border-radius:14px;background:var(--s2)}
.frame audio{width:100%;margin-top:8px}
.tag{display:inline-block;font-size:12px;color:var(--fg2);background:var(--s2);border-radius:999px;padding:3px 10px}
.cap{color:var(--fg2);font-size:14px;margin-top:8px}
.inventory ul{list-style:none;margin:0;padding:0}
.inventory li{display:flex;align-items:center;gap:10px;padding:10px 0;border-top:1px solid var(--line)}
.inventory li:first-child{border-top:0}
.inventory li span{flex:1}
.inventory li b{font-variant-numeric:tabular-nums}
.inventory li em{font-style:normal;font-size:12px;color:#07090F;background:var(--amber);border-radius:999px;padding:2px 8px}
.timer .big{font-size:34px;font-weight:700;background:linear-gradient(135deg,var(--a1),var(--a2));-webkit-background-clip:text;background-clip:text;color:transparent}
.link a{color:var(--a1);word-break:break-all}
.unsupported{color:var(--fg3)}
.state{text-align:center;padding:72px 12px}
.state .cloud{font-size:64px;background:linear-gradient(135deg,var(--a1),var(--a2));-webkit-background-clip:text;background-clip:text;color:transparent}
.state p{color:var(--fg2)}
.state.error h1{color:var(--coral)}
.muted{color:var(--fg3)}
footer{text-align:center;color:var(--fg3);font-size:13px;padding:24px 16px 40px}
footer a{color:var(--fg2)}

.big{font-size:22px;font-weight:700;margin:0 0 4px}
.muted{color:var(--fg3);margin:0 0 6px}
.actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:10px}
.btn{display:inline-block;background:var(--s2);color:var(--fg);border:1px solid var(--line);border-radius:999px;padding:8px 16px;font:inherit;text-decoration:none;cursor:pointer}
.btn:hover{border-color:var(--a1)}
.scroll{overflow-x:auto}
table{border-collapse:collapse;width:100%}
th,td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--line);white-space:nowrap}
th{color:var(--fg2);font-size:13px}
.bar{display:grid;grid-template-columns:90px 1fr 48px;align-items:center;gap:8px;margin:6px 0}
.bar .lbl,.bar .val{font-size:14px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.bar .val{text-align:right;color:var(--fg2)}
.bar svg{width:100%;height:12px;border-radius:6px;overflow:hidden}
.bar .track{fill:var(--s2)}
.bar .fill{fill:var(--a1)}
.check{list-style:none;margin:0;padding:0}
.check li{padding:6px 0;border-bottom:1px solid var(--line)}
.check li.done{color:var(--fg3);text-decoration:line-through}
.quiz-name{display:block;margin:8px 0 0;color:var(--fg2);font-size:14px}
.quiz-name input{display:block;width:100%;margin-top:4px;padding:10px 12px;border-radius:12px;border:1px solid var(--line);background:var(--s2);color:var(--fg);font:inherit}
.quiz-q{width:100%;border-collapse:collapse;margin:14px 0 0}
.quiz-q caption{text-align:left;font-weight:600;padding:0 0 6px}
.quiz-q th{text-align:left;font-size:12px;color:var(--fg3);font-weight:600;padding:4px 8px;border-bottom:1px solid var(--line)}
.quiz-q td{padding:0;border-bottom:1px solid var(--line)}
.quiz-q td:first-child{width:48px;text-align:center}
.quiz-q td label{display:block;padding:12px 8px;cursor:pointer}
.quiz-q input[type=radio]{width:20px;height:20px;margin:0}
.quiz-q .mark{width:32px;text-align:center;font-weight:700}
.quiz-q tr.right{background:rgba(62,230,168,.12)}
.quiz-q tr.wrong{background:rgba(255,94,122,.12)}
.quiz-q tr.right .mark{color:var(--mint)}
.quiz-q tr.wrong .mark{color:var(--coral)}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
.sent{margin:2px 0 0;font-size:13px;color:var(--fg3)}
.remark{margin:4px 0 0;color:var(--fg)}
.score{font-weight:700;color:var(--mint);margin:10px 0 0}

.frame.remarks{padding:10px 14px 12px;border-radius:18px}
.remarks h2{font-size:11px;margin:0 0 6px}
.remark-list{list-style:none;margin:0 0 6px;padding:0}
.remark{display:flex;gap:8px;align-items:flex-start;padding:3px 0}
.avatar{flex:none;width:26px;height:26px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;background:var(--a1);color:#fff;font-weight:700;font-size:12px}
.remark-main{min-width:0;flex:1}
.bubble{display:inline-block;max-width:100%;background:var(--s2);border-radius:14px;padding:5px 11px}
.bubble strong{display:block;font-size:12px;color:var(--fg2)}
.bubble p{margin:0;font-size:14px;line-height:1.35;white-space:pre-wrap;word-break:break-word}
.remark.mine .bubble{box-shadow:inset 0 0 0 1px var(--a1)}
.remark-meta{font-size:11px;padding:1px 0 0 10px;display:flex;flex-wrap:wrap;gap:0 10px;align-items:center}
.remark-meta .link{padding:3px 0;font-size:11px;font-weight:600}
.showall{display:block;font-size:12px;padding:2px 0 6px 34px;font-weight:600}
.remark textarea{display:block;width:100%;padding:8px 12px;border-radius:12px;border:1px solid var(--line);background:var(--s2);color:var(--fg);font:inherit;font-size:14px}
.remark-form{margin:0}
.composer{display:flex;gap:8px;align-items:flex-start}
.composer-body{flex:1;min-width:0}
.composer-body textarea{display:block;width:100%;height:32px;min-height:32px;max-height:180px;resize:none;overflow:hidden;padding:6px 14px;border-radius:16px;border:1px solid var(--line);background:var(--s2);color:var(--fg);font:inherit;font-size:14px;line-height:20px;transition:height .15s}
.remarks.open .composer-body textarea{min-height:72px;overflow:auto;padding:9px 14px;border-radius:14px;border-color:var(--a1);outline:0}
.composer-more{display:flex;gap:8px;align-items:center;margin-top:6px}
.composer-more[hidden]{display:none}
.composer-more input{flex:1;min-width:0;padding:6px 12px;border-radius:999px;border:1px solid var(--line);background:var(--s2);color:var(--fg);font:inherit;font-size:13px}
.composer-more .btn{border-radius:999px;padding:6px 16px;font-size:13px}
.remark-form .muted{font-size:12px;margin:5px 0 0 34px}
.remark-form .muted[hidden]{display:none}
.remark-form .sent{margin:4px 0 0 34px;font-size:12px}
.count{font-weight:400;color:var(--fg3)}
.btn.small{padding:6px 14px;font-size:13px}
.btn.ghost{background:var(--s2);color:var(--fg);border:1px solid var(--line)}
.link{background:none;border:0;color:var(--a1);font:inherit;cursor:pointer;padding:6px 10px 6px 0}

.album-list{list-style:none;margin:0;padding:0}
.album-list li{padding:12px 0;border-top:1px solid var(--line)}
.album-list a{color:var(--a1);text-decoration:none;font-weight:600}

.editor-ask{margin:18px 0 6px;text-align:center}
.editor-ask .btn{padding:6px 16px;font-size:13px}
.editor-ask .muted{font-size:12px;margin:8px 0 0}
.editor-ask[hidden]{display:none}

.card-btn{flex:none;margin-top:0;width:42px;height:42px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;background:var(--s2);color:var(--fg);border:1px solid var(--line);cursor:pointer}
.card-btn:hover,.card-btn:focus-visible{border-color:var(--a1);color:var(--a1)}

/* A hidden element stays hidden even when its class sets a display (the hidden Edit button showed for everyone). */
[hidden]{display:none !important}

.card-row{display:flex;gap:10px;align-items:baseline;margin:6px 0 0}
.card-label{flex:none;width:78px;font-size:12px;color:var(--fg3);text-transform:uppercase;letter-spacing:.04em}
.card-save{width:100%;text-align:center;padding:12px 18px;font-size:16px}

header.top{display:flex;align-items:flex-start;gap:12px;direction:ltr;position:relative}
header.top h1{flex:1;min-width:0}
.top-actions{flex:none;display:flex;gap:8px}
.top-menu{position:absolute;right:0;top:56px;z-index:40;min-width:230px;max-width:calc(100vw - 32px);box-sizing:border-box;background:var(--s1);border:1px solid var(--line);border-radius:16px;padding:12px;box-shadow:0 8px 28px rgba(0,0,0,.45);direction:ltr;text-align:start}
.top-menu .muted{font-size:12px;margin:8px 0 0}
.frame.card{padding:16px}
.frame.card .actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.frame.card .card-save{display:block;width:100%;text-align:center;padding:12px 18px;font-size:16px}
.frame.card .muted[data-card-hint]{font-size:12px;margin:8px 0 0}
.card-value{min-width:0;word-break:break-word}