/* Testlyn Tutors — trang sàn /tutors (Đợt A 16/9/2026). Dùng token của style.css. */
.gs-top{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;flex-wrap:wrap;padding:48px 0 18px}
.gs-top h1{font-size:clamp(30px,4.2vw,44px);letter-spacing:-.03em;line-height:1.1;margin:0 0 8px;max-width:760px}
.gs-top p{font-size:17px;color:var(--ink2);max-width:680px;margin:0}
.gs-links{display:flex;gap:10px;flex-wrap:wrap}
.gs-filters{display:flex;gap:10px;flex-wrap:wrap;align-items:center;margin:8px 0 22px}
.gs-filters select,.gs-filters input{padding:9px 12px;border:1px solid var(--line);border-radius:10px;font:inherit;font-size:14px;background:#fff;min-width:150px}
.gs-chips{display:flex;gap:6px;flex-wrap:wrap}
.gs-chip{padding:7px 12px;border:1px solid var(--line);border-radius:999px;background:#fff;font-size:13.5px;font-weight:600;cursor:pointer;color:var(--ink2)}
.gs-chip.on{background:var(--soft);border-color:var(--brand);color:var(--brand)}
.gs-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px;margin-bottom:48px}
.gs-card{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:18px;display:flex;flex-direction:column;gap:10px;color:inherit}
.gs-card:hover{text-decoration:none;border-color:#c9cdd8;box-shadow:0 6px 24px rgba(20,26,43,.06)}
.gs-head{display:flex;gap:12px;align-items:center}
.gs-av{width:52px;height:52px;border-radius:14px;background:var(--soft);color:var(--brand);display:grid;place-items:center;font-weight:800;font-size:20px;flex:none;overflow:hidden}
.gs-av img{width:100%;height:100%;object-fit:cover}
.gs-av.lg{width:96px;height:96px;border-radius:22px;font-size:36px}
.gs-name{font-weight:700;font-size:17px;letter-spacing:-.01em}
.gs-sub{font-size:14px;color:var(--ink2)}
.gs-tags{display:flex;gap:6px;flex-wrap:wrap}
.gs-tag{font-size:11.5px;font-weight:700;letter-spacing:.05em;text-transform:uppercase;color:var(--brand);background:var(--soft);padding:3px 8px;border-radius:6px}
.gs-badge{display:inline-flex;align-items:center;gap:5px;font-size:12.5px;font-weight:600;color:var(--ok);background:#e3f5ec;padding:3px 9px;border-radius:999px}
.gs-badge.off{color:var(--mute);background:#f1f2f5}
.gs-meta{display:flex;gap:14px;font-size:13.5px;color:var(--ink2);flex-wrap:wrap}
.gs-meta b{color:var(--ink)}
.gs-price{margin-top:auto;display:flex;justify-content:space-between;align-items:baseline;gap:8px;padding-top:8px;border-top:1px solid var(--line)}
.gs-price b{font-size:18px;letter-spacing:-.01em}
.gs-price span{font-size:13px;color:var(--mute)}
.gs-empty{grid-column:1/-1;text-align:center;padding:48px 20px;color:var(--mute);background:#fff;border:1px dashed var(--line);border-radius:var(--r)}
/* profile */
.gs-prof{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(320px,.85fr);gap:32px;padding:36px 0 56px;align-items:start}
.gs-prof h1{font-size:30px;letter-spacing:-.02em;margin:0}
.gs-about{white-space:pre-wrap;color:var(--ink2);font-size:15.5px;margin:18px 0}
.gs-box{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:20px;position:sticky;top:78px}
.gs-box h3{margin:0 0 10px}
.gs-pick{display:flex;gap:6px;margin:0 0 12px}
.gs-pick button{flex:1;padding:10px;border:1px solid var(--line);border-radius:10px;background:#fff;font:inherit;font-weight:600;cursor:pointer;font-size:14px}
.gs-pick button.on{border-color:var(--brand);background:var(--soft);color:var(--brand)}
.gs-pick button[disabled]{opacity:.5;cursor:default}
.gs-days{display:flex;gap:6px;overflow-x:auto;padding-bottom:6px;margin-bottom:8px}
.gs-day{flex:none;min-width:64px;padding:8px 6px;border:1px solid var(--line);border-radius:10px;background:#fff;text-align:center;cursor:pointer;font-size:12.5px;line-height:1.2}
.gs-day b{display:block;font-size:15px}
.gs-day small{color:var(--mute)}
.gs-day.on{border-color:var(--brand);background:var(--soft);color:var(--brand)}
.gs-day.none{opacity:.45}
.gs-slots{display:grid;grid-template-columns:repeat(auto-fill,minmax(84px,1fr));gap:6px;max-height:220px;overflow:auto}
.gs-slot{padding:8px 4px;border:1px solid var(--line);border-radius:8px;background:#fff;font:inherit;font-size:13.5px;font-weight:600;cursor:pointer}
.gs-slot:hover,.gs-slot.on{border-color:var(--brand);color:var(--brand);background:var(--soft)}
.gs-tz{font-size:12.5px;color:var(--mute);margin:8px 0 0}
.gs-rev{border-top:1px solid var(--line);padding:14px 0}
.gs-rev .who{font-weight:600;font-size:14px}
.gs-rev .stars{color:#e0a100;letter-spacing:1px;font-size:13px}
.gs-rev p{margin:6px 0 0;color:var(--ink2);font-size:14.5px}
.gs-video{width:100%;border-radius:12px;background:#000;margin:12px 0}
/* modal */
.gs-modal{position:fixed;inset:0;z-index:9998;background:rgba(15,20,40,.55);display:flex;align-items:center;justify-content:center;padding:16px}
.gs-modal .bx{background:#fff;border-radius:14px;max-width:460px;width:100%;padding:24px;box-shadow:0 20px 60px rgba(0,0,0,.25);position:relative;max-height:92vh;overflow:auto}
.gs-modal .x{position:absolute;top:10px;right:12px;border:0;background:none;font-size:22px;cursor:pointer;color:var(--mute)}
.gs-modal h3{margin:0 0 6px}
.gs-modal .sum{background:var(--soft);border-radius:10px;padding:12px 14px;font-size:14.5px;margin:12px 0}
.gs-modal .sum b{display:block;font-size:16px}
.gs-modal textarea{width:100%;box-sizing:border-box;padding:9px 11px;border:1px solid var(--line);border-radius:9px;font:inherit;font-size:14px;min-height:64px}
.gs-modal .msg{font-size:13px;color:#b23b3b;min-height:18px;margin-top:8px}
.gs-qr{text-align:center}
.gs-qr img{width:240px;max-width:100%;border:1px solid var(--line);border-radius:12px}
.gs-qr .row{display:flex;justify-content:space-between;gap:10px;font-size:14px;padding:6px 0;border-bottom:1px solid var(--line)}
.gs-qr .row b{font-family:ui-monospace,Menlo,monospace}
.gs-qr .st{margin-top:12px;font-weight:600;color:var(--brand)}
/* my lessons */
.gs-my{padding:36px 0 56px;max-width:820px}
.gs-my h2{font-size:24px;margin:22px 0 10px}
.gs-row{display:flex;gap:14px;align-items:center;justify-content:space-between;flex-wrap:wrap;background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 16px;margin-bottom:10px}
.gs-row .t{font-weight:700}
.gs-row .s{font-size:13.5px;color:var(--ink2)}
.gs-st{font-size:12px;font-weight:700;padding:3px 8px;border-radius:6px;background:#f1f2f5;color:var(--ink2)}
.gs-st.ok{background:#e3f5ec;color:var(--ok)}.gs-st.warn{background:#fff4e5;color:var(--warn)}.gs-st.bad{background:#fce8e6;color:#b42318}
.gs-acts{display:flex;gap:8px;flex-wrap:wrap}
.gs-stars{display:flex;gap:4px}
.gs-stars button{border:0;background:none;font-size:24px;color:#d0d4dc;cursor:pointer;padding:0}
.gs-stars button.on{color:#e0a100}
.gs-policy{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:22px 24px;margin:0 0 56px}
.gs-policy table{border-collapse:collapse;width:100%;font-size:14.5px;margin-top:10px}
.gs-policy td{padding:8px 6px;border-bottom:1px solid var(--line);vertical-align:top}
.gs-policy td:first-child{font-weight:600;white-space:nowrap}
@media(max-width:860px){.gs-prof{grid-template-columns:minmax(0,1fr)}.gs-box{position:static}}
.gs-pk{display:grid;grid-template-columns:repeat(4,1fr);gap:8px}
.gs-pk-o{border:1px solid var(--line);border-radius:10px;background:#fff;padding:10px 6px;text-align:center;cursor:pointer;font:inherit;display:flex;flex-direction:column;gap:2px}
.gs-pk-o:hover{border-color:var(--brand);background:var(--soft)}
.gs-pk-o b{font-size:16px}.gs-pk-o span{font-size:13.5px;font-weight:600;color:var(--brand)}.gs-pk-o small{font-size:11.5px;color:var(--mute)}
@media(max-width:400px){.gs-pk{grid-template-columns:repeat(2,1fr)}}
.gs-cs{display:flex;flex-direction:column;gap:8px;margin:12px 0 0;font-size:13.5px;color:var(--ink2)}
.gs-cs-who{display:flex;flex-direction:column;gap:4px}.gs-cs-who label,.gs-cs-box{display:flex;gap:8px;align-items:flex-start;line-height:1.4;cursor:pointer}
.gs-cs input[type=checkbox],.gs-cs input[type=radio]{margin-top:2px;flex:none;accent-color:var(--brand)}
.gs-cs-child{display:flex;flex-wrap:wrap;gap:8px;padding:10px;border:1px dashed var(--line);border-radius:10px}.gs-cs-child input:not([type]),.gs-cs-child select{padding:8px 10px;border:1px solid var(--line);border-radius:8px;font:inherit;font-size:13.5px;flex:1;min-width:120px}
.gs-cs-child[hidden]{display:none}
.gs-cs-box[hidden]{display:none}
/* ===== MESSAGES (18/9/2026) — hộp thư HV ↔ GV, khối riêng trong tutors.js ===== */
.gs-msg-btn{display:inline-flex;align-items:center;gap:6px;margin-top:10px}
.gs-msg-head{display:inline-flex;align-items:center;gap:6px}
.gs-unread{background:var(--brand);color:#fff;border-radius:99px;font-size:11px;font-weight:700;padding:1px 7px;line-height:16px}
.gs-unread[hidden]{display:none}
.gs-msgpage{padding-bottom:40px}
.gs-inbox{display:grid;grid-template-columns:300px minmax(0,1fr);background:#fff;border:1px solid var(--line);border-radius:var(--r);height:calc(100vh - 230px);min-height:440px;overflow:hidden}
.gs-ib-ds{border-right:1px solid var(--line);overflow:auto}
.gs-ib-it{display:flex;gap:10px;padding:12px 14px;border-bottom:1px solid var(--line);color:inherit}
.gs-ib-it:hover{background:#f7f8fb;text-decoration:none}.gs-ib-it.on{background:var(--soft)}
.gs-ib-it .gs-av,.gs-ib-hd .gs-av{width:40px;height:40px;border-radius:11px;font-size:15px}
.gs-ib-it .t{flex:1;min-width:0}.gs-ib-it .n{display:flex;justify-content:space-between;gap:6px;font-weight:600;font-size:14.5px}
.gs-ib-it .n small{font-weight:400;color:var(--mute);font-size:12px;white-space:nowrap}
.gs-ib-it .p{font-size:13px;color:var(--ink2);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.gs-ib-it.cd .p{color:var(--ink);font-weight:600}
.gs-ib-it .c{background:var(--brand);color:#fff;border-radius:99px;font-size:11px;font-weight:700;padding:0 7px;align-self:center}
.gs-ib-th{display:flex;flex-direction:column;min-width:0;min-height:0}
.gs-ib-hd{display:flex;gap:10px;align-items:center;padding:12px 16px;border-bottom:1px solid var(--line)}
.gs-ib-back{display:none;font-size:18px}
.gs-ib-note{font-size:12.5px;color:var(--warn);background:#fff7eb;padding:8px 16px;border-bottom:1px solid var(--line)}
.gs-ib-body{flex:1;overflow:auto;padding:14px 16px;display:flex;flex-direction:column;gap:6px;background:#fafbfd}
.gs-ib-m{max-width:74%;align-self:flex-start;background:#fff;border:1px solid var(--line);border-radius:14px;padding:8px 12px;font-size:14.5px;white-space:pre-wrap;word-wrap:break-word}
.gs-ib-m.me{align-self:flex-end;background:var(--brand);border-color:var(--brand);color:#fff}
.gs-ib-m small{display:block;font-size:11px;opacity:.7;margin-top:3px}
.gs-ib-m .h{display:block;font-size:11.5px;font-style:italic;opacity:.85;margin-top:2px}
.gs-ib-m.me a,.gs-ib-m.me .h{color:#fff}
.gs-ib-sys{align-self:center;text-align:center;font-size:12.5px;color:var(--ink2);background:#eef1f6;border-radius:99px;padding:4px 12px}
.gs-ib-more{align-self:center;font-size:12.5px;cursor:pointer}
.gs-ib-f{display:flex;gap:8px;align-items:flex-end;padding:10px 12px;border-top:1px solid var(--line)}
.gs-ib-f textarea{flex:1;resize:none;min-height:40px;max-height:160px;padding:9px 11px;border:1px solid var(--line);border-radius:10px;font:inherit;font-size:14.5px}
.gs-ib-err{font-size:12.5px;color:#b23b3b;padding:0 14px 8px}
.gs-ib-empty{margin:auto;padding:30px;text-align:center;color:var(--mute);font-size:14px}
@media(max-width:760px){.gs-inbox{grid-template-columns:1fr;height:calc(100vh - 200px)}.gs-inbox.mo .gs-ib-ds{display:none}.gs-inbox:not(.mo) .gs-ib-th{display:none}.gs-ib-back{display:inline}}