/*! RO Kids English - Res Opera Solutions - https://www.resopera.com */
.ro-app{--ro-primary:#ff6b35;--ro-border:#ff6b35;--ro-ink:#2b2d42;--ro-accent:#5c7cfa;--ro-bg1:#e3f6ff;--ro-bg2:#fff3d6;--ro-bw:6px;--ro-radius:32px;--ro-max:1280px;--ro-font:'Fredoka','Baloo 2','Comic Sans MS','Chalkboard SE',system-ui,sans-serif;font-family:var(--ro-font);color:var(--ro-ink);max-width:var(--ro-max);margin:20px auto;line-height:1.3;-webkit-tap-highlight-color:transparent}
.ro-app *,.ro-app *::before,.ro-app *::after{box-sizing:border-box}
.ro-app button{font-family:inherit;cursor:pointer;border:0}
.ro-wrap{position:relative;overflow:hidden;border-radius:var(--ro-radius);border:var(--ro-bw) solid var(--ro-border);background:linear-gradient(180deg,var(--ro-bg1) 0%,var(--ro-bg2) 100%);box-shadow:inset 0 0 0 3px rgba(255,255,255,.7),0 18px 40px rgba(0,0,0,.18);padding:16px 16px 10px}
.ro-wrap>*:not(.ro-clouds){position:relative;z-index:1}

/* header */
.ro-head{display:flex;align-items:center;gap:12px}
.ro-mascot{width:78px;height:78px;flex:none;cursor:pointer;animation:ro-float 3s ease-in-out infinite}
.ro-mascot svg{width:100%;height:100%;overflow:visible}
.ro-mouth{opacity:0;transform-origin:50px 66px}
.ro-talk .ro-mouth{opacity:1;animation:ro-yap .22s infinite alternate}
.ro-talk .ro-smile{opacity:0}
.ro-eyes{transform-origin:50px 46px;animation:ro-blink 4.5s infinite}
@keyframes ro-yap{from{transform:scaleY(.35)}to{transform:scaleY(1.1)}}
@keyframes ro-blink{0%,94%,100%{transform:scaleY(1)}97%{transform:scaleY(.1)}}
@keyframes ro-float{50%{transform:translateY(-6px) rotate(3deg)}}
.ro-title{flex:1;min-width:0}
.ro-brand{font-size:28px;font-weight:700;color:var(--ro-primary);text-shadow:2px 2px 0 #fff}
.ro-brand b{color:#5c7cfa}
.ro-sub{font-size:15px;opacity:.75}
.ro-tools{display:flex;gap:8px;align-items:center}
.ro-stars{background:#fff;border-radius:99px;padding:6px 14px;font-weight:700;font-size:18px;box-shadow:0 3px 0 rgba(0,0,0,.12)}
.ro-ico-btn{width:44px;height:44px;border-radius:50%;background:#fff;font-size:20px;box-shadow:0 3px 0 rgba(0,0,0,.12)}

/* nav */
.ro-nav{display:flex;gap:8px;margin:14px 0 12px;overflow-x:auto;padding:4px 2px 8px;scrollbar-width:none}
.ro-tab{color:#2b2d42;flex:0 1 auto;display:flex;align-items:center;justify-content:center;gap:8px;padding:10px 18px;border-radius:20px;background:#fff;font-size:18px;font-weight:600;box-shadow:0 5px 0 rgba(0,0,0,.14);transition:.15s}
.ro-tab-ico{font-size:24px}
.ro-tab:hover{transform:translateY(-2px)}
.ro-tab.on{background:var(--ro-primary);color:#fff;transform:translateY(3px);box-shadow:0 2px 0 rgba(0,0,0,.2)}
.ro-stage{min-height:420px;padding:6px 2px 10px}
.ro-bar{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap;margin-bottom:12px}
.ro-bar h2,.ro-quiz h2{margin:0;font-size:26px;color:var(--ro-ink)}

/* buttons */
.ro-btn{padding:12px 20px;border-radius:18px;font-size:18px;font-weight:600;color:#fff;box-shadow:0 5px 0 rgba(0,0,0,.2);transition:.12s}
.ro-btn:hover{transform:translateY(-2px);filter:brightness(1.05)}
.ro-btn:active{transform:translateY(3px);box-shadow:0 1px 0 rgba(0,0,0,.2)}
.ro-b-green{background:#37b24d}.ro-b-blue{background:#4c6ef5}.ro-b-orange{background:#fd7e14}.ro-b-ghost{background:#fff;color:#2b2d42}
.ro-btn.playing{background:#e03131}

/* grids */
.ro-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(110px,1fr));gap:14px}
.ro-card{position:relative;aspect-ratio:1/1.05;border-radius:24px;background:var(--c);color:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;box-shadow:0 7px 0 rgba(0,0,0,.2);transition:.15s;border:4px solid rgba(255,255,255,.65)!important}
.ro-card:hover{transform:translateY(-4px) rotate(-2deg)}
.ro-card:active{transform:translateY(4px);box-shadow:0 2px 0 rgba(0,0,0,.2)}
.ro-card.glow{animation:ro-pulse .5s infinite alternate;outline:5px solid #fff}
@keyframes ro-pulse{to{transform:scale(1.1) rotate(3deg)}}
.ro-big{font-size:54px;font-weight:700;text-shadow:3px 3px 0 rgba(0,0,0,.18);line-height:1}
.ro-big small{font-size:28px;margin-left:4px;opacity:.9}
.ro-em{font-size:30px}.ro-tiny{font-size:15px;font-weight:600}
.ro-grid-num{grid-template-columns:repeat(auto-fill,minmax(96px,1fr))}
.ro-check{position:absolute;top:6px;right:8px;font-style:normal;background:#fff;color:#37b24d;border-radius:50%;width:22px;height:22px;font-size:13px;display:grid;place-items:center}

/* detail */
.ro-detail{text-align:center}.ro-detail>.ro-back{float:left}
.ro-hero-card{clear:both;display:flex;gap:18px;justify-content:center;align-items:center;flex-wrap:wrap;margin:6px auto 16px;padding:22px;border-radius:32px;background:#fff;border:6px solid var(--c);box-shadow:0 8px 0 rgba(0,0,0,.15);max-width:680px}
.ro-hero-letter{font-size:130px;font-weight:700;color:var(--c);line-height:1;text-shadow:5px 5px 0 rgba(0,0,0,.1);animation:ro-pop .5s}
.ro-hero-letter small{font-size:80px;margin-left:8px;opacity:.7}
.ro-hero-pic{text-align:center}.ro-bounce{display:inline-block;font-size:110px;animation:ro-bounce 1.2s infinite}
.ro-word{font-size:28px;font-weight:600}.ro-word b{color:var(--c);font-size:34px}
@keyframes ro-bounce{50%{transform:translateY(-14px) scale(1.08)}}
@keyframes ro-pop{from{transform:scale(.3) rotate(-20deg);opacity:0}}
.ro-actions{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-top:10px}
.ro-items{display:flex;flex-wrap:wrap;gap:6px;justify-content:center;max-width:680px;margin:0 auto 10px;padding:14px;background:rgba(255,255,255,.7);border-radius:24px;min-height:70px}
.ro-item{font-size:40px;display:inline-block;animation:ro-pop .4s backwards}
.ro-item.hot{animation:ro-bounce .5s}
.ro-zero{font-size:26px}

/* writing */
.ro-pick{display:flex;gap:8px;overflow-x:auto;padding:4px 2px 12px;scrollbar-width:thin}
.ro-chip{flex:none;width:46px;height:46px;border-radius:14px;background:var(--c);color:#fff;font-size:24px;font-weight:700;box-shadow:0 4px 0 rgba(0,0,0,.2)}
.ro-chip.on{outline:4px solid #fff;box-shadow:0 0 0 7px var(--c);transform:scale(1.08)}
.ro-write-area{display:grid;grid-template-columns:minmax(260px,420px) 1fr;gap:20px;align-items:start}
.ro-board{position:relative;width:100%;aspect-ratio:1;background:#fff;border-radius:28px;border:6px solid #5c7cfa;box-shadow:0 8px 0 rgba(0,0,0,.15);overflow:hidden}
.ro-guide,.ro-pad{position:absolute;inset:0;width:100%;height:100%}
.ro-pad{touch-action:none;cursor:crosshair}
.ro-ln{stroke:#9ec5ff;stroke-width:.6;stroke-dasharray:2 2}.ro-mid{stroke:#ffb3b3}
.ro-track{fill:none;stroke:#e9ecef;stroke-width:12;stroke-linecap:round;stroke-linejoin:round}
.ro-dash{fill:none;stroke:#adb5bd;stroke-width:1.6;stroke-dasharray:1.5 3.2;stroke-linecap:round}
.ro-anim{fill:none;stroke-width:9;stroke-linecap:round;stroke-linejoin:round;opacity:.9}
.ro-badge{pointer-events:none}
.ro-board.drawing .ro-track{stroke:#fff4e6}
.ro-side{display:flex;flex-direction:column;gap:14px}
.ro-msg{background:#fff;border-radius:22px;padding:16px;font-size:20px;min-height:90px;box-shadow:0 5px 0 rgba(0,0,0,.12);position:relative}
.ro-msg::before{content:"";position:absolute;left:-12px;top:24px;border:10px solid transparent;border-right-color:#fff;border-left:0}
.ro-col{flex-direction:column;align-items:stretch}.ro-col .ro-btn{width:100%}
.ro-result{font-size:34px;letter-spacing:4px}

/* confetti */
.ro-confetti{position:absolute;top:-10px;font-size:26px;animation:ro-fall 2s ease-in forwards;pointer-events:none;z-index:5}
@keyframes ro-fall{to{transform:translateY(480px) rotate(360deg);opacity:0}}

/* games */
.ro-games{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px}
.ro-game{background:var(--c);color:#fff;border-radius:28px;padding:26px 16px;display:flex;flex-direction:column;align-items:center;gap:6px;box-shadow:0 8px 0 rgba(0,0,0,.2);border:4px solid rgba(255,255,255,.6)!important;transition:.15s}
.ro-game:hover{transform:translateY(-5px) rotate(-1.5deg)}
.ro-game span{font-size:64px}.ro-game b{font-size:24px}.ro-game small{font-size:15px;opacity:.95}
.ro-quiz{position:relative;text-align:center;max-width:640px;margin:0 auto}
.ro-progress{height:14px;background:#fff;border-radius:99px;overflow:hidden;margin-bottom:6px}.ro-progress i{display:block;height:100%;background:linear-gradient(90deg,#51cf66,#fcc419);border-radius:99px;transition:width .4s}
.ro-qn{font-size:15px;opacity:.7}
.ro-q-pic{font-size:110px;animation:ro-bounce 1.4s infinite}
.ro-q-items{margin:10px auto}
.ro-opts{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin:14px 0}
.ro-opt{background:var(--c);color:#fff;font-size:44px;font-weight:700;padding:16px;border-radius:24px;box-shadow:0 7px 0 rgba(0,0,0,.2);text-shadow:2px 2px 0 rgba(0,0,0,.15);transition:.12s}
.ro-opt:hover{transform:translateY(-3px)}
.ro-opt.good{background:#2f9e44;animation:ro-pop .4s}
.ro-opt.bad{background:#adb5bd;opacity:.6;animation:ro-shake .35s}
@keyframes ro-shake{25%{transform:translateX(-8px)}75%{transform:translateX(8px)}}
.ro-trophy{font-size:110px;animation:ro-bounce 1.2s infinite}

/* teacher */
.ro-teach{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:16px}
.ro-panel{background:#fff;border-radius:24px;padding:18px 20px;border-top:10px solid var(--c);box-shadow:0 6px 0 rgba(0,0,0,.12)}
.ro-panel.ro-wide{grid-column:1/-1}
.ro-panel h3{margin:0 0 6px;font-size:22px}.ro-panel p{margin:4px 0 10px}.ro-panel small{display:block;margin-top:10px;opacity:.65}
.ro-panel label{display:flex;align-items:center;justify-content:space-between;gap:10px;margin:8px 0;font-weight:600}
.ro-panel select,.ro-panel input[type=range]{flex:1;max-width:60%;font-family:inherit;font-size:16px;padding:6px;border-radius:10px;border:2px solid #dee2e6}
.ro-panel .ro-chk{justify-content:flex-start}
.ro-panel ul{margin:0;padding-left:20px}.ro-panel li{margin:6px 0}
.ro-row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}.ro-row select{max-width:none;flex:none;padding:12px;font-weight:600}
.ro-panel .ro-btn{margin:4px 4px 0 0}

/* footer */
.ro-foot{text-align:center;font-size:14px;padding:10px 0 2px;opacity:.85}
.ro-foot a{color:var(--ro-primary);font-weight:700;text-decoration:none}.ro-foot a:hover{text-decoration:underline}

/* big screen */
body.ro-bigscreen .ro-app{max-width:1400px;font-size:125%}
body.ro-bigscreen .ro-big{font-size:72px}body.ro-bigscreen .ro-hero-letter{font-size:190px}

@media (max-width:720px){
  .ro-write-area{grid-template-columns:1fr}
  .ro-msg::before{display:none}
  .ro-brand{font-size:22px}.ro-sub{display:none}.ro-mascot{width:60px;height:60px}
  .ro-hero-letter{font-size:96px}.ro-bounce{font-size:80px}
  .ro-tab{padding:8px 12px;font-size:15px}.ro-tab-ico{font-size:20px}
  .ro-grid{grid-template-columns:repeat(auto-fill,minmax(82px,1fr));gap:10px}.ro-big{font-size:40px}.ro-big small{font-size:20px}
  .ro-opt{font-size:34px}
}
@media (prefers-reduced-motion:reduce){.ro-app *{animation:none!important;transition:none!important}}

/* print worksheets */
.ro-print{display:none}
@media print{
  body.ro-printing>*:not(.ro-print){display:none!important}
  body.ro-printing .ro-print{display:block!important}
  @page{margin:10mm}.ro-print,.ro-print *{box-sizing:border-box}
  .ro-ws-page{page-break-after:always;font-family:Arial,sans-serif;color:#222}
  .ro-ws-head{display:flex;justify-content:space-between;align-items:flex-end;border-bottom:3px solid #ff6b35;padding-bottom:6px;margin-bottom:10px;font-size:15px}
  .ro-ws-row{width:100%;display:grid;grid-template-columns:repeat(6,1fr);gap:4px;margin-bottom:8px}
  .ro-ws-cell{box-sizing:border-box;width:100%;min-width:0;height:auto;border:1px solid #ccc;border-radius:6px}
  .ro-ws-ln{stroke:#9ec5ff;stroke-width:.5}.ro-ws-mid{stroke:#ffb3b3;stroke-width:.5;stroke-dasharray:2 2}
  .ro-ws-solid,.ro-ws-dot,.ro-ws-none{fill:none;stroke-linecap:round;stroke-linejoin:round}
  .ro-ws-solid{stroke:#ff6b35;stroke-width:6}
  .ro-ws-dot{stroke:#999;stroke-width:2;stroke-dasharray:.1 5}
  .ro-ws-none{stroke:none}
  .ro-ws-foot{text-align:center;font-size:11px;color:#888;margin-top:8px}
}

/* v1.1 additions */
.ro-modes{display:flex;gap:8px;margin-bottom:8px}
.ro-mode{padding:8px 20px;border-radius:14px;background:#fff;font-size:20px;font-weight:700;box-shadow:0 4px 0 rgba(0,0,0,.14);color:#2b2d42}
.ro-mode.on{background:#5c7cfa;color:#fff}
.ro-ar{font-family:'Noto Naskh Arabic','Segoe UI','Geeza Pro','Arial',sans-serif!important;direction:rtl}
.ro-rtl{direction:rtl}.ro-rtl .ro-card{direction:rtl}
.ro-card .ro-ar{font-size:60px;line-height:1.1}
.ro-opt.ro-ar{font-size:54px}
.ro-who{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:16px}
.ro-face{display:flex;flex-direction:column;align-items:center;gap:2px;min-width:96px;padding:10px 14px;border-radius:22px;background:var(--c);color:#fff;box-shadow:0 6px 0 rgba(0,0,0,.2);border:4px solid rgba(255,255,255,.6)!important}
.ro-face span{font-size:42px}.ro-face b{font-size:17px}
.ro-face.on{outline:5px solid #fff;box-shadow:0 0 0 9px var(--c);transform:scale(1.05)}
.ro-bigstars{font-size:46px;font-weight:700}
.ro-lchips{display:flex;flex-wrap:wrap;gap:5px}
.ro-lchip{width:30px;height:30px;border-radius:9px;display:grid;place-items:center;font-weight:700;background:#e9ecef;color:#adb5bd}
.ro-lchip.on{background:var(--c);color:#fff}
.ro-loading,.ro-note{padding:10px 14px;background:rgba(255,255,255,.75);border-radius:16px;margin:8px 0}
.ro-addst textarea,.ro-addst input{font-family:inherit;font-size:16px;padding:10px;border-radius:12px;border:2px solid #dee2e6;flex:1;min-width:160px}
.ro-addst{margin-bottom:14px}
.ro-filters{margin:8px 0}
.ro-table-wrap{overflow-x:auto;background:#fff;border-radius:20px;box-shadow:0 5px 0 rgba(0,0,0,.12)}
.ro-table{width:100%;border-collapse:collapse;font-size:15px}
.ro-table th{background:#f1f3f5;text-align:left;padding:10px;white-space:nowrap}
.ro-table td{padding:9px 10px;border-top:1px solid #eee}
.ro-acts{white-space:nowrap}.ro-acts button{background:#f1f3f5;border-radius:10px;padding:6px 9px;margin-left:3px;font-size:16px}
@media print{.ro-rep h2{font-size:26px;margin:14px 0}.ro-rep p{font-size:15px;line-height:1.7}.ro-rep-t{width:100%;border-collapse:collapse;margin-top:12px}.ro-rep-t th,.ro-rep-t td{border:1px solid #ccc;padding:6px 8px;text-align:left}}

.ro-ur{font-family:'Noto Nastaliq Urdu','Jameel Noto Nastaleeq','Noto Naskh Arabic','Geeza Pro',serif!important}
.ro-hero-letter.ro-ur{line-height:1.7}
.ro-card .ro-ur{font-size:48px;line-height:1.5}

/* ===== v1.3: themes, backgrounds, borders, layout ===== */
.ro-panel,.ro-msg,.ro-hero-card,.ro-table-wrap,.ro-note,.ro-loading,.ro-stars,.ro-ico-btn,.ro-items,.ro-quiz .ro-qn{color:#2b2d42}
.ro-quiz .ro-qn{color:var(--ro-ink)}
.ro-app[data-wide="1"]{width:min(var(--ro-max),calc(100vw - 40px));position:relative;left:var(--ro-shift,0px);max-width:none;margin-left:0;margin-right:0;box-sizing:border-box}
.ro-app[data-border="dashed"] .ro-wrap{border-style:dashed}
.ro-app[data-border="dotted"] .ro-wrap{border-style:dotted}
.ro-app[data-border="double"] .ro-wrap{border-style:double;border-width:max(var(--ro-bw),4px)}
.ro-app[data-border="rainbow"]{padding:var(--ro-bw);border-radius:var(--ro-radius);background:linear-gradient(90deg,#ff6b6b,#ffa94d,#ffd43b,#51cf66,#22b8cf,#5c7cfa,#cc5de8,#ff6b6b);background-size:300% 100%;animation:ro-rb 6s linear infinite}
.ro-app[data-border="rainbow"] .ro-wrap{border:0;border-radius:calc(var(--ro-radius) - var(--ro-bw))}
@keyframes ro-rb{to{background-position:300% 0}}
/* header text */
.ro-brand{font-family:var(--ro-title-font,inherit);font-size:min(var(--ro-title-size,28px),8vw);font-weight:var(--ro-title-weight,700);font-style:var(--ro-title-style,normal);color:var(--ro-title-c1,var(--ro-primary));text-shadow:2px 2px 0 rgba(255,255,255,.8)}
.ro-brand b{font-weight:inherit;color:var(--ro-title-c2,var(--ro-accent))}
.ro-sub{font-family:var(--ro-sub-font,inherit);font-size:var(--ro-sub-size,15px);font-weight:var(--ro-sub-weight,400);font-style:var(--ro-sub-style,normal);color:var(--ro-sub-c1,var(--ro-ink));opacity:.85}
.ro-foot{font-family:var(--ro-foot-font,inherit);font-size:var(--ro-foot-size,14px);font-weight:var(--ro-foot-weight,400);font-style:var(--ro-foot-style,normal);color:var(--ro-foot-c1,var(--ro-ink))}
.ro-app button,.ro-app input,.ro-app select,.ro-app textarea{font-family:inherit}
/* tabs wrap so none are hidden */
.ro-body{display:block}
.ro-nav{flex-wrap:wrap;overflow:visible;justify-content:center;padding:4px 2px 10px}
.ro-tab{padding:9px 16px;font-size:17px;white-space:nowrap}
.ro-app[data-layout="side"] .ro-body{display:grid;grid-template-columns:190px minmax(0,1fr);gap:18px;align-items:start}
.ro-app[data-layout="side"] .ro-nav{flex-direction:column;flex-wrap:nowrap;justify-content:flex-start;margin:14px 0;position:sticky;top:12px}
.ro-app[data-layout="side"] .ro-tab{justify-content:flex-start;width:100%}
@media (max-width:760px){
  .ro-app[data-layout="side"] .ro-body{display:block}
  .ro-app[data-layout="side"] .ro-nav{flex-direction:row;flex-wrap:wrap;justify-content:center;position:static}
  .ro-app[data-layout="side"] .ro-tab{width:auto}
  .ro-tab{padding:8px 11px;font-size:15px}
}
/* backgrounds */
.ro-clouds{position:absolute;inset:0;overflow:hidden;pointer-events:none;z-index:0}
.ro-clouds i{position:absolute;display:block;opacity:0}
.ro-app[data-bg="none"] .ro-clouds{display:none}
.ro-app[data-bg="clouds"] .ro-clouds i{opacity:.8;background:#fff;border-radius:60px;height:34px;width:110px;left:-130px;top:calc(var(--y,10)*5.5px + 60px);animation:ro-drift calc(34s + var(--n,0)*4s) linear infinite;animation-delay:calc(var(--n,0)*-6s)}
.ro-app[data-bg="clouds"] .ro-clouds i::before,.ro-app[data-bg="clouds"] .ro-clouds i::after{content:"";position:absolute;background:#fff;border-radius:50%}
.ro-app[data-bg="clouds"] .ro-clouds i::before{width:50px;height:50px;top:-24px;left:18px}
.ro-app[data-bg="clouds"] .ro-clouds i::after{width:36px;height:36px;top:-14px;left:58px}
.ro-app[data-bg="clouds"] .ro-clouds i:nth-child(n+5){display:none}
@keyframes ro-drift{to{transform:translateX(calc(100vw + 200px))}}
.ro-app[data-bg="bubbles"] .ro-clouds i{opacity:.55;border-radius:50%;border:2px solid rgba(255,255,255,.9);background:radial-gradient(circle at 30% 30%,rgba(255,255,255,.9),rgba(255,255,255,.15));width:calc(18px + var(--n,0)*6px);height:calc(18px + var(--n,0)*6px);left:calc(var(--x,50)*1%);bottom:-80px;animation:ro-rise calc(9s + var(--n,0)*1.6s) ease-in infinite;animation-delay:calc(var(--n,0)*-1.9s)}
.ro-app[data-bg="stars"] .ro-clouds i{opacity:.9;left:calc(var(--x,50)*1%);top:calc(var(--y,50)*1%);width:calc(5px*var(--s,1));height:calc(5px*var(--s,1));border-radius:50%;background:#fff;box-shadow:0 0 8px 2px rgba(255,255,255,.95),0 0 18px 4px var(--ro-primary);animation:ro-twinkle calc(1.6s + var(--n,0)*.35s) ease-in-out infinite;animation-delay:calc(var(--n,0)*-.5s)}
.ro-app[data-bg="balloons"] .ro-clouds i::before,.ro-app[data-bg="letters"] .ro-clouds i::before{content:attr(data-e)}
.ro-app[data-bg="balloons"] .ro-clouds i{opacity:.85;font-style:normal;font-size:calc(26px*var(--s,1));left:calc(var(--x,50)*1%);bottom:-70px;animation:ro-rise calc(12s + var(--n,0)*1.4s) linear infinite;animation-delay:calc(var(--n,0)*-2.2s)}
.ro-app[data-bg="letters"] .ro-clouds i{opacity:.28;font-style:normal;font-weight:700;font-size:calc(34px*var(--s,1));color:var(--ro-primary);left:calc(var(--x,50)*1%);bottom:-80px;animation:ro-rise calc(14s + var(--n,0)*1.7s) linear infinite;animation-delay:calc(var(--n,0)*-2.6s)}
@keyframes ro-rise{from{transform:translateY(0) rotate(0)}to{transform:translateY(-110vh) rotate(25deg)}}
@keyframes ro-twinkle{0%,100%{opacity:.15;transform:scale(.6)}50%{opacity:1;transform:scale(1.3)}}
.ro-app[data-bg="rainbow"] .ro-wrap{background:linear-gradient(120deg,var(--ro-bg1),#ffe3f1,#fff3d6,#e3ffe9,#e0f0ff,var(--ro-bg2),var(--ro-bg1));background-size:500% 500%;animation:ro-grad 16s ease infinite}
.ro-app[data-bg="rainbow"] .ro-clouds{display:none}
@keyframes ro-grad{0%{background-position:0% 50%}50%{background-position:100% 50%}100%{background-position:0% 50%}}
/* numbers to 100 */
.ro-grid-num{grid-template-columns:repeat(auto-fill,minmax(70px,1fr));gap:10px}
.ro-grid-num .ro-card{aspect-ratio:1/1;border-radius:18px;border-width:3px!important;box-shadow:0 5px 0 rgba(0,0,0,.2)}
.ro-grid-num .ro-big{font-size:30px}
.ro-grid-num .ro-tiny{font-size:11px}
.ro-ten{display:inline-flex;flex-wrap:wrap;gap:2px;padding:4px 8px;margin:3px;border-radius:14px;background:rgba(255,255,255,.65);justify-content:center}
.ro-ten.hot{background:#fff3bf;box-shadow:0 0 0 3px #fcc419}
.ro-items.ro-sm .ro-item{font-size:28px}.ro-items.ro-xs .ro-item{font-size:21px}
.ro-hero-letter.ro-long{font-size:96px}
@media (max-width:720px){.ro-grid-num{grid-template-columns:repeat(auto-fill,minmax(58px,1fr));gap:8px}.ro-grid-num .ro-big{font-size:24px}.ro-hero-letter.ro-long{font-size:70px}}
@media print{.ro-chart{font-family:Arial,sans-serif}.ro-chart table{width:100%;border-collapse:collapse}.ro-chart td{border:1px solid #ccc;text-align:center;font-size:22px;height:16mm;font-weight:bold}.ro-chart td.t{background:#fff3e6}.ro-chart .abc{display:grid;grid-template-columns:repeat(5,1fr);gap:6px}.ro-chart .abc div{border:2px solid #ff6b35;border-radius:10px;text-align:center;padding:4px;font-size:34px;font-weight:bold}.ro-chart .abc small{display:block;font-size:13px;font-weight:normal}}