/* ===== Vòng quay trang chủ: SSR + Toàn màn hình ===== */
#wheelOfFortune #wheelSsr{position:absolute;top:0;left:0;width:100%;height:100%;display:block;z-index:0;transform:rotate(0)}
.wrapper-tool #wheelSpin{position:relative;z-index:0}

/* Nút toàn màn hình */
.wrapper-tool .left-tool{position:relative}
.btn-fullscreen{position:absolute;top:0;right:0;z-index:5;display:inline-flex;align-items:center;gap:6px;padding:7px 12px;border:1px solid #e3e3e3;border-radius:999px;background:#fff;color:#333;font-size:14px;font-weight:600;line-height:1;cursor:pointer;box-shadow:0 2px 8px rgba(0,0,0,.08);transition:background .2s,color .2s}
.btn-fullscreen:hover{background:#D7382E;color:#fff;border-color:#D7382E}
.btn-fullscreen .ic-exit{display:none}
@media (max-width:651px){.btn-fullscreen{top:-6px}.btn-fullscreen .txt-fs{display:none}.btn-fullscreen{padding:8px}}

/* Trạng thái toàn màn hình (native Fullscreen API + fallback cho iPhone) */
.wrapper-tool .left-tool.is-fs{position:fixed;inset:0;width:100% !important;height:100%;z-index:9999;margin:0;display:flex;align-items:center;justify-content:center;background:radial-gradient(circle at 50% 40%,#fff7dc 0%,#ffe7a3 55%,#f7c948 100%);order:0}
.wrapper-tool .left-tool:fullscreen{width:100% !important;height:100%}
.wrapper-tool .left-tool.is-fs .btn-fullscreen{top:16px;right:16px;background:rgba(255,255,255,.9)}
.wrapper-tool .left-tool.is-fs .btn-fullscreen .ic-enter{display:none}
.wrapper-tool .left-tool.is-fs .btn-fullscreen .ic-exit{display:inline}
.wrapper-tool .left-tool.is-fs #back-wheel{width:min(92vh,92vw) !important;height:min(92vh,92vw) !important;margin:0}
.wrapper-tool .left-tool.is-fs #wheelOfFortune{width:96% !important;height:96% !important}
.wrapper-tool .left-tool.is-fs .spin-tools,.wrapper-tool .left-tool.is-fs .spin-history{display:none !important}
.wrapper-tool .left-tool.is-fs #spinRt{font-size:min(5vh,5vw)}
.wrapper-tool .left-tool.is-fs .fs-hint{display:block}
.fs-hint{display:none;position:absolute;bottom:14px;left:0;right:0;text-align:center;font-size:14px;color:#6b4e00;opacity:.8}
.wrapper-tool .left-tool.is-fs .showeq .content-eq{font-size:min(8vh,8vw)}
.wrapper-tool .left-tool.is-fs .showeq .content-all{width:min(640px,90vw)}
html.spin-fs-lock,html.spin-fs-lock body{overflow:hidden}

/* =====================================================
 * Trang chủ gọn: H1 nhỏ, vòng quay vừa màn hình đầu tiên
 * ===================================================== */
h1.block_title{font-size:clamp(20px,2vw,26px);line-height:1.3;margin:14px 0 10px;font-weight:700;letter-spacing:-.2px}
.wrapper-tool{padding-top:0 !important}
@media (min-width:1051px){
  .wrapper-tool .top-tool .left-tool{width:auto;flex:1 1 0;display:flex;flex-direction:column;align-items:center}
  .wrapper-tool .top-tool .right-tool{width:440px;flex:0 0 440px;margin-left:28px;margin-top:0}
  .wrapper-tool #back-wheel{--wsz:clamp(380px,calc(100vh - 150px),560px);width:var(--wsz);height:var(--wsz);margin-top:4px}
  .wrapper-tool #wheelOfFortune{width:96%;height:96%}
}
@media (min-width:652px) and (max-width:1050px){
  .wrapper-tool #back-wheel{width:min(47.6vw,calc(100vh - 150px));height:min(47.6vw,calc(100vh - 150px))}
  .wrapper-tool #wheelOfFortune{width:96%;height:96%}
}
.wrapper-tool .spin-tools{margin-top:16px}

/* ===== Khung cấu hình ===== */
.wrapper-tool .top-tool .right-tool{padding:6px 12px 16px}
.wrapper-tool .right-tool .title-form{display:none}
.sp-tabs{display:flex;gap:4px;border-bottom:1px solid #eef0f3;margin:0 -12px 12px;padding:0 12px}
.sp-tab{position:relative;display:inline-flex;align-items:center;gap:7px;height:46px;padding:0 12px;border:0;background:none;font-size:15px;font-weight:700;color:#6b7280;cursor:pointer}
.sp-tab.is-active{color:#D7382E}
.sp-tab.is-active:after{content:"";position:absolute;left:8px;right:8px;bottom:-1px;height:3px;border-radius:3px 3px 0 0;background:#D7382E}
.sp-badge{display:inline-flex;align-items:center;justify-content:center;min-width:22px;height:20px;padding:0 6px;border-radius:999px;background:#D7382E;color:#fff;font-size:12px;font-weight:700;font-variant-numeric:tabular-nums}
.sp-badge--soft{background:#fde8e6;color:#b42318}
.sp-pane[hidden]{display:none}
.wrapper-tool .wrapform .option{margin-bottom:10px}
.wrapper-tool .wrapform .option.option1{padding:0 2px}

/* checkbox giáo viên */
.sp-teacher{display:inline-flex !important;align-items:center;gap:9px;cursor:pointer;font-size:14.5px !important;font-weight:600 !important;color:#1f2328 !important;margin:0 !important;user-select:none}
.sp-teacher input{position:absolute;opacity:0;width:1px;height:1px}
.sp-teacher small{font-weight:400;color:#6b7280;font-size:13px}
.sp-check{position:relative;width:20px;height:20px;border-radius:6px;border:2px solid #cbd5e1;background:#fff;flex:none;transition:background .15s,border-color .15s}
.sp-teacher input:checked+.sp-check{background:#D7382E;border-color:#D7382E}
.sp-teacher input:checked+.sp-check:after{content:"";position:absolute;left:5px;top:1px;width:5px;height:10px;border:solid #fff;border-width:0 2.5px 2.5px 0;transform:rotate(45deg)}
.sp-teacher input:focus-visible+.sp-check{box-shadow:0 0 0 3px rgba(215,56,46,.25)}
.wrapper-tool #option1_sub .option-hint{margin:0 0 10px}

/* thanh công cụ */
.sp-bar{display:flex;flex-wrap:wrap;align-items:center;gap:6px;margin:0 0 8px}
.sp-btn{display:inline-flex;align-items:center;gap:5px;height:32px;padding:0 10px;border:1px solid #e5e7eb;border-radius:9px;background:#fff;color:#374151;font-size:13px;font-weight:600;cursor:pointer;transition:border-color .15s,color .15s,background .15s;white-space:nowrap}
.sp-btn:hover{border-color:#D7382E;color:#D7382E}
.sp-btn--danger:hover{background:#fef2f2}
.sp-view{display:inline-flex;margin-left:auto;border:1px solid #e5e7eb;border-radius:9px;overflow:hidden}
.sp-view__btn{width:34px;height:30px;border:0;background:#fff;color:#6b7280;cursor:pointer;display:inline-flex;align-items:center;justify-content:center}
.sp-view__btn+.sp-view__btn{border-left:1px solid #e5e7eb}
.sp-view__btn.is-active{background:#D7382E;color:#fff}
@media (max-width:420px){.sp-btn span{display:none}.sp-btn{width:34px;padding:0;justify-content:center}}

.wrapper-tool .areaSetup{height:clamp(200px,calc(100vh - 470px),340px)}
.wrapper-tool .text-set{padding:6px 2px 0;margin-bottom:6px}
.wrapper-tool .item-ttool .setup-spin[hidden]{display:none}

/* kiểu nhập từng ô */
.sp-rows{list-style:none;margin:0;padding:4px;display:flex;flex-direction:column;gap:5px;max-height:clamp(220px,calc(100vh - 470px),360px);overflow:auto;border:1px solid #e7e7ea;border-radius:10px;background:#f7f7f9}
.sp-rows[hidden],.sp-add[hidden]{display:none}
.sp-row{display:flex;align-items:center;gap:6px;padding:3px 4px 3px 8px;background:#fff;border:1px solid #eef0f3;border-radius:9px;list-style:none !important;margin:0 !important}
.sp-row:focus-within{border-color:#D7382E}
.sp-row__dot{width:12px;height:12px;border-radius:4px;flex:none;box-shadow:inset 0 0 0 1px rgba(0,0,0,.12)}
.sp-row__in{flex:1;min-width:0;height:32px;border:0;background:transparent;font-size:15px;color:#1f2328;padding:0 4px}
.sp-row__in:focus{outline:none}
.sp-row__b{width:30px;height:30px;flex:none;border:0;border-radius:8px;background:transparent;color:#9ca3af;cursor:pointer;display:inline-flex;align-items:center;justify-content:center}
.sp-row__b:hover{background:#f1f5f9;color:#374151}
.sp-row__b--del:hover{background:#fee2e2;color:#dc2626}
.sp-add{width:100%;height:36px;margin-top:6px;border:1.5px dashed #d1d5db;border-radius:10px;background:#fff;color:#374151;font-weight:600;font-size:14px;cursor:pointer}
.sp-add:hover{border-color:#D7382E;color:#D7382E}

/* bảng màu */
.sp-themes{margin:12px 0 4px;padding-top:12px;border-top:1px solid #f0f0f2}
.sp-themes__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:8px}
.sp-themes__head .title_box{margin:0 !important}
.sp-link{border:0;background:none;color:#D7382E;font-size:13px;font-weight:600;cursor:pointer;padding:2px 4px}
.sp-themes__list{display:flex;flex-wrap:wrap;gap:6px}
.sp-theme{width:40px;height:40px;border-radius:50%;border:2px solid transparent;background:#fff;padding:3px;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;transition:transform .12s,border-color .12s}
.sp-theme:hover{transform:scale(1.08)}
.sp-theme.is-active{border-color:#D7382E;box-shadow:0 0 0 3px rgba(215,56,46,.15)}
.wrapper-tool .setSpin .titleSpin{margin:12px 0 8px;padding-top:12px}
.wrapper-tool .setSpin .listSpin{padding:0}

/* tab kết quả */
.sp-empty{text-align:center;color:#6b7280;font-size:14px;padding:40px 10px;margin:0}
.sp-empty[hidden]{display:none}
.spin-history.in-panel{max-width:none;margin:0;border:0;padding:0;background:none}
.spin-history.in-panel .sh-list{max-height:clamp(260px,calc(100vh - 260px),560px)}
.spin-history.in-panel .sh-list li{padding:9px 8px;font-size:15px;border-bottom:1px solid #f3f4f6;border-radius:0}

/* hộp thoại nhập / xuất */
.sp-dialog{border:0;padding:0;border-radius:18px;width:min(520px,calc(100vw - 24px));box-shadow:0 30px 80px -20px rgba(0,0,0,.45)}
.sp-dialog::backdrop{background:rgba(15,23,42,.45);backdrop-filter:blur(2px)}
.sp-dialog__box{margin:0}
.sp-dialog__head{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;border-bottom:1px solid #eef0f3;font-size:17px}
.sp-x{width:34px;height:34px;border:0;border-radius:10px;background:#f3f4f6;font-size:22px;line-height:1;cursor:pointer;color:#374151}
.sp-dialog__body{padding:16px 18px 18px}
.sp-drop{position:relative;display:flex;flex-direction:column;align-items:center;gap:6px;padding:22px 14px;border:2px dashed #e5c4c0;border-radius:14px;background:#fff8f7;color:#D7382E;text-align:center;cursor:pointer;transition:background .15s,border-color .15s}
.sp-drop.is-over,.sp-drop:hover{background:#fdecea;border-color:#D7382E}
.sp-drop input{position:absolute;inset:0;opacity:0;cursor:pointer}
.sp-drop b{color:#1f2328;font-size:15px}
.sp-drop small{color:#6b7280;font-size:12.5px}
.sp-safe{display:flex;align-items:center;gap:6px;margin:10px 0 8px;font-size:13px;color:#166534}
.sp-mode{display:flex;flex-wrap:wrap;gap:6px 16px;font-size:14px;margin-bottom:6px}
.sp-mode label{display:inline-flex;align-items:center;gap:6px;cursor:pointer}
.sp-dialog__sep{margin:14px 0 8px;padding-top:12px;border-top:1px solid #eef0f3;font-size:13px;font-weight:700;color:#6b7280}
.sp-export{display:flex;flex-wrap:wrap;gap:8px}
.sp-export .sp-btn{height:36px}
.sp-msg{min-height:20px;margin:10px 0 0;font-size:13.5px}
.sp-msg.is-ok{color:#166534}.sp-msg.is-err{color:#b91c1c}

/* thông báo nhỏ */
.sp-toast{position:fixed;left:50%;bottom:22px;transform:translateX(-50%);z-index:10000;display:flex;align-items:center;gap:12px;background:#111827;color:#fff;padding:10px 16px;border-radius:12px;font-size:14px;box-shadow:0 12px 30px rgba(0,0,0,.3);max-width:calc(100vw - 24px)}
.sp-toast[hidden]{display:none}
.sp-undo{border:0;background:none;color:#fca5a5;font-weight:700;cursor:pointer;padding:2px 4px;font-size:14px}
.pos0{padding-top:0 !important}
.wrapper-tool .wrapper-setup[hidden]{display:none !important}
.sp-bar{flex-wrap:nowrap}
.sp-btn{padding:0 9px}
.sp-btn--danger span{display:none}
.sp-btn--danger{width:32px;padding:0;justify-content:center}
.spin-history.in-panel .sh-title{visibility:hidden}
.pos0{padding-top:12px !important}
h1.block_title{margin-top:0}
.sp-link{white-space:nowrap}
.sp-dialog[open]{position:fixed;inset:0;margin:auto !important;height:fit-content;max-height:calc(100vh - 24px);overflow:auto}
.sp-themes__head .sp-link{flex:none;white-space:nowrap !important;width:auto}

/* =====================================================
 * v2: gọn & nhạt hơn, đầu khung có Chia sẻ / Giao diện / Ẩn
 * ===================================================== */
.pos0{padding-top:22px !important}
h1.block_title{margin:0 0 20px}
@media (min-width:1051px){.wrapper-tool #back-wheel{--wsz:clamp(380px,calc(100vh - 175px),560px)}}
@media (min-width:652px) and (max-width:1050px){.wrapper-tool #back-wheel{width:min(47.6vw,calc(100vh - 175px));height:min(47.6vw,calc(100vh - 175px))}}

/* nút toàn màn hình: chỉ còn icon, nhạt */
.wrapper-tool .btn-fullscreen{width:36px;height:36px;padding:0;justify-content:center;border:0;background:transparent;box-shadow:none;color:#9ca3af;border-radius:10px}
.wrapper-tool .btn-fullscreen .txt-fs{display:none}
.wrapper-tool .btn-fullscreen:hover{background:#f1f2f4;color:#374151}
.wrapper-tool .left-tool.is-fs .btn-fullscreen{background:rgba(255,255,255,.85);color:#374151}

/* nút ẩn khung: nằm gọn trong góc khung, nhạt */
.wrapper-tool .right-tool .panel-hide{left:auto;right:10px;top:10px;width:32px;height:32px;border:0;background:transparent;box-shadow:none;color:#9ca3af;border-radius:9px}
.wrapper-tool .right-tool .panel-hide:hover{background:#f1f2f4;color:#374151;transform:none}
@media (max-width:767px){.wrapper-tool .right-tool .panel-hide{width:auto;padding:0 10px;font-weight:500}}

/* đầu khung */
.sp-head{display:flex;align-items:center;justify-content:space-between;gap:8px;margin:0 36px 10px 0;padding:6px 0 10px;border-bottom:1px solid #f0f1f3}
.sp-head__title{display:flex;align-items:center;gap:8px;font-size:15.5px;font-weight:600;color:#1f2328}
.sp-head__act{display:flex;gap:2px}
.sp-ic{width:34px;height:34px;border:0;border-radius:9px;background:transparent;color:#6b7280;cursor:pointer;display:inline-flex;align-items:center;justify-content:center}
.sp-ic:hover{background:#f1f2f4;color:#D7382E}
.sp-badge{background:#f1f2f4;color:#4b5563;font-weight:600}
@media (max-width:767px){.sp-head{margin-right:70px}}

/* nút công cụ nhạt hơn */
.sp-btn{font-weight:500;color:#4b5563;border-color:#eceef1;background:#fff}
.sp-btn:hover{border-color:#d1d5db;color:#1f2328;background:#f9fafb}
.sp-btn--danger:hover{color:#dc2626;border-color:#fecaca;background:#fef2f2}
.sp-view{border-color:#eceef1}
.sp-view__btn{color:#9ca3af}
.sp-view__btn.is-active{background:#f3f4f6;color:#1f2328}
.sp-teacher{font-weight:500 !important;font-size:14px !important;color:#374151 !important}
.sp-check{border-width:1.5px;border-radius:5px;width:18px;height:18px}
.sp-teacher input:checked+.sp-check:after{left:4.5px;top:1px}

/* kết quả nằm dưới vòng quay như cũ */
.spin-history{width:100%}

/* hộp thoại giao diện & hiệu ứng */
.sp-set+.sp-set{margin-top:16px;padding-top:14px;border-top:1px solid #f0f1f3}
.sp-set__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:10px;font-size:14px;font-weight:600;color:#374151}
.sp-chips{display:flex;flex-wrap:wrap;gap:8px}
.sp-chip{height:34px;padding:0 14px;border:1px solid #e5e7eb;border-radius:999px;background:#fff;color:#374151;font-size:14px;cursor:pointer;transition:border-color .15s,color .15s,background .15s}
.sp-chip:hover{border-color:#d1d5db;background:#f9fafb}
.sp-chip.is-active{border-color:#D7382E;background:#fff5f4;color:#b42318;font-weight:600}

/* hiệu ứng nền */
.wrapper-tool .left-tool .sp-bgfx{position:absolute;inset:-10px -20px;width:calc(100% + 40px);height:calc(100% + 20px);pointer-events:none;z-index:0}
.wrapper-tool #back-wheel{z-index:1}
.sp-lights{position:absolute;inset:0;pointer-events:none;z-index:3;border-radius:50%}
.sp-lights i{position:absolute;left:50%;top:50%;width:0;height:50%;transform-origin:0 0}
.sp-lights i:before{content:"";position:absolute;left:-4.5px;top:calc(100% - 13px);width:9px;height:9px;border-radius:50%;background:#fff7cc;box-shadow:0 0 8px 2px rgba(255,214,77,.9);animation:spBulb 1.2s infinite alternate}
.sp-lights i:nth-child(even):before{animation-delay:.6s}
@keyframes spBulb{from{opacity:.35;transform:scale(.8)}to{opacity:1;transform:scale(1.1)}}

/* chia sẻ */
.sp-gate{text-align:center}
.sp-gate p{margin:0 0 8px;line-height:1.55}
.sp-gate__ic{width:56px;height:56px;margin:4px auto 10px;border-radius:16px;background:#fff1f0;color:#D7382E;display:flex;align-items:center;justify-content:center}
.sp-gate__act{display:flex;gap:8px;justify-content:center;margin-top:14px}
.sp-gate .qm-contact{text-align:left;margin-top:10px}
.sp-muted{color:#6b7280;font-size:13.5px;line-height:1.55}
.sp-cta{display:inline-flex;align-items:center;justify-content:center;height:40px;padding:0 18px;border:0;border-radius:11px;background:#D7382E;color:#fff !important;font-weight:600;font-size:14.5px;cursor:pointer;text-decoration:none}
.sp-cta:hover{background:#bf2f26}
.sp-cta:disabled{opacity:.6;cursor:default}
.sp-cta--block{width:100%;height:44px;margin-top:6px}
.sp-gate__act .sp-btn{height:40px;padding:0 18px;text-decoration:none}
.sp-field{display:block;margin-bottom:8px}
.sp-field span{display:block;font-size:13px;font-weight:600;color:#6b7280;margin-bottom:6px}
.sp-field input{width:100%;height:42px;border:1px solid #e5e7eb;border-radius:10px;padding:0 12px;font-size:15px;box-sizing:border-box}
.sp-field input:focus{outline:none;border-color:#D7382E;box-shadow:0 0 0 3px rgba(215,56,46,.12)}
.sp-copy{display:flex;gap:8px}
.sp-copy input{flex:1;min-width:0;height:40px;border:1px solid #e5e7eb;border-radius:10px;padding:0 12px;font-size:14px;background:#f9fafb}
.sp-qr{display:flex;flex-direction:column;align-items:center;gap:6px;margin:14px 0;padding:14px;border:1px solid #eef0f3;border-radius:14px}
.sp-qr svg{display:block;border-radius:6px}
.sp-qr small{color:#6b7280;font-size:12.5px}
.sp-share-links{display:flex;flex-wrap:wrap;gap:8px;justify-content:center}
.sp-share-links .sp-btn{height:36px;text-decoration:none}

/* v3: hiệu ứng nền phủ lên vòng quay, hộp cấu hình đặt bên phải để vẫn thấy vòng quay */
.wrapper-tool .left-tool .sp-bgfx{z-index:4}
#spSettings::backdrop{background:rgba(15,23,42,.12);backdrop-filter:none}
@media (min-width:1051px){#spSettings[open]{inset:76px 28px auto auto;margin:0 !important;width:460px}}
.sp-set__foot{display:flex;align-items:center;gap:10px;margin-top:16px;padding-top:14px;border-top:1px solid #f0f1f3}
.sp-set__foot .sp-muted{flex:1;font-size:12.5px}
.sp-saved{font-size:13px;font-weight:600;color:#16a34a;opacity:0;transition:opacity .2s}
.sp-saved.is-on{opacity:1}
.wrapper-tool .left-tool .spin-history,.wrapper-tool .left-tool .spin-tools{position:relative;z-index:5}
.wrapper-tool .left-tool .spin-history{background:#fff}

/* trang vòng quay bên trong: H1 gọn như trang chủ */
.wrapper-tool h1.tool-title{font-size:clamp(20px,2vw,26px);line-height:1.3;margin:6px 0 20px;font-weight:700;letter-spacing:-.2px}
/* ô màu ngay trong khung */
.wrapper-tool .item-ttool .sp-themes{margin:12px 0 2px;padding-top:12px;border-top:1px solid #f0f1f3}
.wrapper-tool .item-ttool .sp-themes .title_box{padding:0;margin:0}
.wrapper-tool .item-ttool .sp-themes__list{gap:4px}
.sp-auto-rm{display:flex;align-items:center;gap:6px;margin:8px 2px 0;font-size:14px;color:#374151;cursor:pointer}.sp-auto-rm input{width:16px;height:16px;margin:0;accent-color:#D7382E}.sp-auto-rm small{color:#9ca3af}