/* v307 · group classes + class lists (src/js/350-group-classes.js) */
.gc-section{ margin:6px 0 18px; padding:16px; border:1px solid #d9e8df; border-radius:18px; background:linear-gradient(180deg,#f3fbf6,#fff); }
.gc-head{ display:flex; align-items:flex-start; justify-content:space-between; gap:12px; flex-wrap:wrap; margin-bottom:10px; }
.gc-head h3{ margin:0 0 2px; font:800 18px/1.25 var(--font, inherit); color:#123a2e; }
.gc-head p{ margin:0; font-size:13.5px; color:#4b6158; }
.gc-head-b{ display:flex; gap:8px; flex-wrap:wrap; }
.gc-head-b .check-btn, .gc-head-b .skip-btn{ margin:0 !important; min-height:40px; }
.gc-list{ display:grid; grid-template-columns:repeat(auto-fill, minmax(230px, 1fr)); gap:10px; }
.gc-card{ display:flex; flex-direction:column; align-items:flex-start; gap:6px; text-align:left; padding:13px 14px !important; border:1px solid #dfe9e3 !important; border-radius:16px !important; background:#fff !important; cursor:pointer; font-family:var(--font, inherit); color:#1f2d27 !important; box-shadow:0 1px 2px rgba(15,60,45,.06); transition:transform .12s, box-shadow .12s; min-height:150px; }
.gc-card:hover{ transform:translateY(-1px); box-shadow:0 6px 18px rgba(15,60,45,.10); }
.gc-card.mine{ border-color:#0f766e !important; box-shadow:0 0 0 2px rgba(15,118,110,.15); }
.gc-card.full:not(.mine){ opacity:.75; }
.gc-when{ font-size:12.5px; font-weight:700; color:#0f766e; }
.gc-title{ font-size:15.5px; line-height:1.3; color:#10261f; }
.gc-who{ display:flex; align-items:center; gap:6px; font-size:13px; color:#3d5249; }
.gc-av{ width:26px; height:26px; border-radius:50%; object-fit:cover; flex:0 0 auto; }
.gc-av-i{ display:inline-flex; align-items:center; justify-content:center; background:#dff3ea; color:#0f766e; font-weight:800; font-size:12px; }
.gc-chips, .gc-v-top{ display:flex; flex-wrap:wrap; gap:5px; }
.gc-chip{ font-size:11.5px; font-weight:700; padding:3px 8px; border-radius:999px; background:#eef5f1; color:#2f4a40; }
.gc-chip-p{ background:#fff4d6; color:#7a4d00; }
.gc-chip-r{ background:#e8eefc; color:#24418f; }
.gc-seats{ margin-top:auto; font-size:12.5px; font-weight:700; color:#3d5249; }
.gc-card.mine .gc-seats{ color:#0f766e; }
.gc-more{ margin:10px auto 0 !important; display:block; }
.gc-empty{ padding:12px; border:1px dashed #cfe0d6; border-radius:12px; font-size:13.5px; color:#53685f; text-align:center; background:#fbfdfc; }
.gc-view{ display:flex; flex-direction:column; gap:10px; }
.gc-v-title{ margin:0; font:800 21px/1.25 var(--font, inherit); color:#10261f; }
.gc-v-title small{ font-size:14px; color:#64786f; font-weight:700; }
.gc-v-when{ font-weight:700; color:#0f766e; }
.gc-v-teacher{ display:flex; align-items:center; gap:10px; text-align:left; padding:8px 10px; border:1px solid #e3ece7; border-radius:14px; background:#fafdfb; cursor:pointer; font-family:var(--font, inherit); }
.gc-v-teacher .gc-av{ width:40px; height:40px; font-size:16px; }
.gc-v-teacher b{ display:block; font-size:14.5px; color:#10261f; } .gc-v-teacher small{ color:#0f766e; font-size:12.5px; }
.gc-v-facts{ display:grid; grid-template-columns:repeat(3, 1fr); gap:8px; }
.gc-v-facts > div{ padding:9px; border-radius:12px; background:#f3f8f5; text-align:center; }
.gc-v-facts b{ display:block; font-size:16px; color:#10261f; } .gc-v-facts small{ font-size:11.5px; color:#5b6f66; }
.gc-bar{ height:6px; border-radius:99px; background:#e4eee8; overflow:hidden; } .gc-bar span{ display:block; height:100%; background:#0f766e; border-radius:99px; }
.gc-v-about{ font-size:14px; line-height:1.55; color:#2c3d36; }
.gc-actions{ display:flex; flex-direction:column; gap:8px; padding-top:4px; }
.gc-actions > .check-btn{ width:100%; margin:0 !important; min-height:48px; font-size:15px; }
.gc-actions .check-btn[disabled]{ opacity:.55; }
.gc-row-b{ display:flex; flex-wrap:wrap; gap:8px; } .gc-row-b > button{ margin:0 !important; }
.gc-danger{ color:#b42318 !important; }
.gc-note{ font-size:13px; color:#53685f; } .gc-ok{ color:#0f6a3a; font-weight:700; } .gc-bad{ color:#b42318; font-weight:700; }
.gc-lbl{ display:flex; flex-direction:column; gap:5px; font-size:13px; font-weight:700; color:#2f4a40; }
.gc-lbl small{ font-weight:500; color:#64786f; font-size:12px; }
.gc-lbl input, .gc-lbl select, .gc-lbl textarea, .gc-price input, .gc-price select{ font:500 14.5px var(--font, inherit); padding:10px 11px; border:1px solid #d6e3dc; border-radius:11px; background:#fff; color:#1f2d27; min-height:42px; width:100%; box-sizing:border-box; }
.gc-price{ display:flex; gap:6px; } .gc-price input{ flex:1 1 auto; } .gc-price select{ flex:0 0 86px; width:86px; }
.gc-form{ display:flex; flex-direction:column; gap:12px; }
.gc-form > .check-btn{ width:100%; margin:4px 0 0 !important; min-height:48px; }
.gc-2{ display:grid; grid-template-columns:1fr 1fr; gap:10px; }
@media (max-width:520px){ .gc-2{ grid-template-columns:1fr; } }
.gc-people-h{ margin-top:6px; font-size:12.5px; font-weight:800; letter-spacing:.03em; text-transform:uppercase; color:#4b6158; }
.gc-people, .gc-cands{ display:flex; flex-direction:column; gap:6px; }
.gc-p{ display:flex; align-items:center; gap:9px; padding:8px 10px; border:1px solid #e5ede8; border-radius:12px; background:#fff; }
.gc-p .gc-av{ width:34px; height:34px; }
.gc-p-n{ flex:1 1 auto; min-width:0; } .gc-p-n b{ display:block; font-size:14px; color:#10261f; } .gc-p-n small{ display:block; font-size:12px; color:#64786f; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.gc-p select{ font-size:12.5px; padding:5px 6px; border:1px solid #d6e3dc; border-radius:9px; background:#fff; max-width:120px; }
.gc-p .skip-btn{ margin:0 !important; }
.gc-p-dm, .gc-p-x{ width:36px; height:36px; border-radius:50%; border:1px solid #e0e9e4 !important; background:#fff !important; cursor:pointer; flex:0 0 auto; }
.gc-mrow{ display:grid; grid-template-columns:170px 1fr auto; gap:10px; align-items:center; width:100%; text-align:left; padding:11px 12px; margin-bottom:6px; border:1px solid #e3ece7 !important; border-radius:13px !important; background:#fff !important; cursor:pointer; font-family:var(--font, inherit); color:#1f2d27 !important; }
.gc-mrow.gone{ opacity:.6; } .gc-mrow-w{ font-size:12.5px; font-weight:700; color:#0f766e; } .gc-mrow-s{ font-size:12.5px; color:#4b6158; }
@media (max-width:620px){ .gc-mrow{ grid-template-columns:1fr; gap:3px; } }
.gc-tabs{ margin-bottom:10px; }
.gc-lead{ margin:0 0 6px; font-size:14px; color:#3d5249; line-height:1.5; }
.gc-rlist{ display:flex; flex-direction:column; gap:8px; margin-top:8px; }
.gc-rcard{ display:flex; align-items:center; gap:12px; padding:12px 14px; border:1px solid #e0e9e4 !important; border-radius:14px !important; background:#fff !important; text-align:left; cursor:pointer; font-family:var(--font, inherit); color:#1f2d27 !important; }
.gc-rcard > span:nth-child(2){ flex:1 1 auto; } .gc-rcard b{ display:block; font-size:15px; } .gc-rcard small{ color:#5b6f66; font-size:12.5px; }
.gc-r-e{ font-size:24px; }
.gc-back{ align-self:flex-start; margin:0 0 6px !important; }
.gc-hw-row{ display:flex; flex-wrap:wrap; align-items:center; gap:6px; margin:4px 0 8px; font-size:12.5px; font-weight:700; color:#2f4a40; }
.gc-hw-chip{ border:1px solid #cfe0d6; background:#f3faf6; color:#14532d; border-radius:999px; padding:5px 11px; font:700 12.5px var(--font, inherit); cursor:pointer; }
.gc-hw-chip small{ color:#4b6158; font-weight:600; }
body.dark-mode .gc-section{ background:#10201b; border-color:#24413a; }
body.dark-mode .gc-card, body.dark-mode .gc-p, body.dark-mode .gc-mrow, body.dark-mode .gc-rcard, body.dark-mode .gc-v-teacher{ background:#14261f !important; border-color:#2a4a40 !important; color:#e3eeea !important; }
body.dark-mode .gc-head h3, body.dark-mode .gc-title, body.dark-mode .gc-v-title, body.dark-mode .gc-p-n b, body.dark-mode .gc-v-facts b, body.dark-mode .gc-v-teacher b{ color:#eaf4f0; }
body.dark-mode .gc-v-facts > div, body.dark-mode .gc-chip{ background:#1b3029; color:#cfe3da; }

/* v307 · the lesson-plan teach panel, clearer for a first-time teacher (326-lesson-teach.js) */
.vc-lpt{ width:380px; }
.vc-lpt-prog{ display:flex; gap:4px; margin:0 0 8px; }
.vc-lpt-prog span{ flex:1; height:5px; border-radius:99px; background:#d9e8e1; }
.vc-lpt-prog span.done{ background:#7cc4ad; } .vc-lpt-prog span.on{ background:#0F766E; }
.vc-lpt-now b.vc-lpt-step{ font-size:19px; line-height:1.25; margin-top:3px; }
.vc-lpt-clock{ gap:10px; }
.vc-lpt-time{ font-size:16px; min-width:92px; }
.vc-lpt-tbar{ flex:1; height:6px; border-radius:99px; background:#e1ece7; overflow:hidden; }
.vc-lpt-tbar > span{ display:block; height:100%; width:0; background:#0F766E; border-radius:99px; transition:width .5s; }
.vc-lpt-tbar > span.over{ background:#d97706; }
.vc-lpt-pause{ width:36px; height:36px; border-radius:50%; border:1px solid #cfe0da; background:#fff; cursor:pointer; font-size:13px; flex:0 0 auto; }
.vc-lpt-do{ margin-top:10px; padding:9px 11px; border-radius:12px; background:#fff; border:1px solid #e0ece6; }
.vc-lpt-do-h{ display:block; font-size:11.5px; font-weight:800; letter-spacing:.03em; text-transform:uppercase; color:#0F766E; margin-bottom:3px; }
.vc-lpt-do p{ margin:0 0 3px !important; font-size:14px !important; line-height:1.45; color:#1f3a33 !important; white-space:normal !important; }
.vc-lpt-do p.vc-lpt-do-alt{ font-size:12.5px !important; color:#5b6f68 !important; margin-top:5px !important; }
.vc-lpt-act{ display:flex; flex-wrap:wrap; gap:6px; margin-top:8px; }
.vc-lpt-go{ border:1px solid #0F766E; background:#e9f7f2; color:#0b5f58; border-radius:999px; padding:7px 13px; font:700 13px var(--font, inherit); cursor:pointer; }
.vc-lpt-nav{ margin-top:10px; }
.vc-lpt-nav .check-btn{ flex:2 !important; display:flex; align-items:center; justify-content:center; gap:4px; min-width:0; }
.vc-lpt-nav .check-btn > span{ overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.vc-lpt-nav button{ margin:0 !important; min-height:44px; }
.vc-lpt-tabs{ padding:8px 12px 0; }
.vc-lpt-tabs button{ border-radius:999px; padding:6px 12px; background:#f1f6f3; }
.vc-lpt-tabs button.on{ background:#0F766E; color:#fff; }
.vc-lpt-w{ padding:4px 0; border-bottom:1px solid #f0f4f2; }
.vc-lpt-w b{ font-size:14.5px; }
.vc-lpt-tools .skip-btn{ margin:0 !important; }
.vc-lpt-share{ width:100%; cursor:pointer; position:relative; }
.vc-lpt-share input{ position:absolute; opacity:0; width:1px; height:1px; }
.vc-lpt-sw{ width:34px; height:20px; border-radius:99px; background:#c9d6d0; position:relative; flex:0 0 auto; transition:background .15s; }
.vc-lpt-sw::after{ content:''; position:absolute; top:2px; left:2px; width:16px; height:16px; border-radius:50%; background:#fff; transition:left .15s; box-shadow:0 1px 2px rgba(0,0,0,.2); }
.vc-lpt-share input:checked + .vc-lpt-sw{ background:#0F766E; } .vc-lpt-share input:checked + .vc-lpt-sw::after{ left:16px; }
.vc-lpt-share input:focus-visible + .vc-lpt-sw{ outline:2px solid #0F766E; outline-offset:2px; }
body.dark-mode .vc-lpt-do, body.dark-mode .vc-lpt-pause{ background:#14211e; border-color:#2b3d38; }
body.dark-mode .vc-lpt-do p{ color:#dcebe5 !important; }
body.dark-mode .vc-lpt-tabs button{ background:#1c2e2a; color:#cfe3da; } body.dark-mode .vc-lpt-tabs button.on{ background:#0F766E; color:#fff; }
@media (max-width:700px){ .vc-lpt{ width:auto; } }

/* v307 · role-play with a partner reads like a chat (188-situations.js paintDuo) */
.vc-sit-duo.show{ display:flex !important; flex-direction:column; }
.vc-sd-prog{ height:4px; border-radius:99px; background:#e3ece8; margin:8px 0 6px; overflow:hidden; } .vc-sd-prog span{ display:block; height:100%; background:#0F766E; transition:width .25s; }
.vc-sd-how{ font-size:13px; color:#4b6158; background:#f3f8f5; border-radius:10px; padding:7px 10px; margin-bottom:6px; }
.vc-sd-chat{ flex:1 1 auto; min-height:120px; max-height:min(52vh, 440px); overflow-y:auto; display:flex; flex-direction:column; gap:7px; padding:4px 2px 8px; }
.vc-sd-b{ max-width:86%; padding:8px 12px; border-radius:16px; background:#f1f4f2; cursor:pointer; }
.vc-sd-b.them{ align-self:flex-start; border-bottom-left-radius:5px; }
.vc-sd-b.me{ align-self:flex-end; border-bottom-right-radius:5px; background:#e3f4ee; }
.vc-sd-b small{ display:block; font:800 11.5px var(--font, inherit); color:#5b6f68; margin-bottom:2px; }
.vc-sd-b .sit-t{ font-size:14.5px; line-height:1.35; color:#1f2d27; }
.vc-sd-b .sit-g{ font-size:12.5px; color:#5b6f68; margin-top:2px; }
.vc-sd-b:not(.cur){ opacity:.72; }
.vc-sd-b.cur{ cursor:default; box-shadow:0 0 0 2px #0F766E inset; background:#fff; max-width:100%; }
.vc-sd-b.cur.me{ background:#e9f8f2; }
.vc-sd-b.cur .sit-t{ font-size:19px; font-weight:800; }
.vc-sd-b.cur.me small{ color:#0b5f58; }
.vc-sd-done{ align-self:center; font-weight:800; color:#0F766E; padding:8px 0; }
.vc-sit-duo .vc-sit-duo-btns{ padding-top:8px; border-top:1px solid #eef3f0; }
.vc-sit-duo .vc-sit-duo-btns button{ min-height:42px; }
body.dark-mode .vc-sd-b{ background:#1b2b26; } body.dark-mode .vc-sd-b.me, body.dark-mode .vc-sd-b.cur{ background:#16332b; }
body.dark-mode .vc-sd-b .sit-t{ color:#e6f1ec; } body.dark-mode .vc-sd-how{ background:#16241f; color:#c9dcd4; }

/* v307 · Rooms › Friends tidier (owner: "the friends list … could look better"): one even row of section tabs,
   a heading, a calm chats / favorites switch, favorites as cards and the conversations in one white list */
#tab-practice #prPillRow{ display:grid !important; grid-template-columns:none !important; grid-auto-flow:column; grid-auto-columns:minmax(0, 1fr); gap:8px; }
#tab-practice #prPillRow .pr-pill:not([hidden]){ min-height:48px !important; padding:8px 10px !important; border-radius:14px !important; border:1px solid #dbe7e1 !important; background:#fff !important; color:#24423a !important; box-shadow:0 1px 2px rgba(15,60,45,.05) !important; flex-direction:row !important; align-items:center; justify-content:center; gap:7px; font-size:13.5px !important; font-weight:700 !important; }
#tab-practice #prPillRow .pr-pill .pr-pill-emoji{ font-size:18px; margin:0 !important; }
#tab-practice #prPillRow .pr-pill.active{ border-color:#0F766E !important; background:#e8f6f1 !important; color:#0b5f58 !important; box-shadow:0 0 0 1px #0F766E inset !important; }
@media (max-width:520px){ #tab-practice #prPillRow .pr-pill:not([hidden]){ flex-direction:column !important; gap:2px; font-size:12px !important; padding:7px 4px !important; } }
#prFriendsPanel .fr-head{ margin:14px 0 10px; }
#prFriendsPanel .fr-head h3{ margin:0 0 2px; font:800 19px/1.25 var(--font, inherit); color:#123a2e; }
#prFriendsPanel .fr-head p{ margin:0; font-size:13.5px; color:#4b6158; }
#prFriendsPanel .msg-tabs{ display:flex !important; align-items:center; gap:6px; flex-wrap:wrap; margin-bottom:10px; }
#prFriendsPanel .msg-tabs .msg-tab{ flex:0 0 auto !important; width:auto !important; min-height:38px; padding:7px 15px !important; border-radius:999px !important; border:1px solid #d6e5dc !important; background:#fff !important; color:#2f4a40 !important; font-size:13.5px !important; font-weight:700 !important; box-shadow:none !important; }
#prFriendsPanel .msg-tabs .msg-tab.active{ background:#0F766E !important; border-color:#0F766E !important; color:#fff !important; }
#prFriendsPanel .msg-tabs #findPeopleBtn{ margin-left:auto !important; border-color:#0F766E !important; color:#0b5f58 !important; }
#prFriendsPanel .friends-strip{ gap:10px !important; padding:4px 2px 10px !important; overflow-x:auto; }
#prFriendsPanel .friend-chip{ flex:0 0 auto; width:96px; padding:10px 6px 8px !important; border:1px solid #e0ebe5 !important; border-radius:16px !important; background:#fff !important; box-shadow:0 1px 2px rgba(15,60,45,.05); }
#prFriendsPanel .friend-chip:hover{ border-color:#0F766E !important; }
#prFriendsPanel .fc-name{ font-size:12.5px !important; max-width:84px; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; margin:5px auto 0; }
#prFriendsPanel #threadList{ background:#fff; border:1px solid #e0ebe5; border-radius:18px; overflow:hidden; }
#prFriendsPanel #threadList:empty{ display:none; }
#prFriendsPanel .thread-row{ margin:0 !important; border-radius:0 !important; padding:12px 14px !important; border-bottom:1px solid #eef3f0; background:transparent !important; cursor:pointer; }
#prFriendsPanel .thread-row:last-child{ border-bottom:0; }
#prFriendsPanel .thread-row:hover{ background:#f5faf7 !important; }
#prFriendsPanel .thread-row.unread{ background:#f0f9f5 !important; }
#prFriendsPanel .thread-row.unread .thread-name{ font-weight:800; }
#prFriendsPanel .thread-preview{ color:#53685f; }
#prFriendsPanel #threadSearch{ border-radius:999px !important; }
@media (min-width:1024px){
  html.vc-vd #prFriendsPanel{ max-width:880px; margin-left:auto; margin-right:auto; }
  html.vc-vd #tab-practice #prPillRow{ max-width:880px; margin-left:auto !important; margin-right:auto !important; }
}
body.dark-mode #tab-practice #prPillRow .pr-pill:not([hidden]), body.dark-mode #prFriendsPanel .msg-tabs .msg-tab:not(.active), body.dark-mode #prFriendsPanel .friend-chip, body.dark-mode #prFriendsPanel #threadList{ background:#14211e !important; border-color:#2b3d38 !important; color:#e3eeea !important; }
body.dark-mode #prFriendsPanel .fr-head h3{ color:#eaf4f0; } body.dark-mode #prFriendsPanel .fr-head p, body.dark-mode #prFriendsPanel .thread-preview{ color:#b7cac3; }
body.dark-mode #prFriendsPanel .thread-row{ border-color:#22332e; } body.dark-mode #prFriendsPanel .thread-row.unread{ background:#16302a !important; }
@media (max-width:520px){
  #prFriendsPanel .msg-tabs{ flex-wrap:nowrap; gap:5px; }
  #prFriendsPanel .msg-tabs .msg-tab{ padding:7px 10px !important; font-size:12.5px !important; min-height:36px; white-space:nowrap; }
}