:root{--navy:#102750;--navy2:#183d73;--ink:#13244c;--muted:#6e7d99;--blue:#178dff;--cyan:#30d1f6;--yellow:#ffd04e;--green:#28c87d;--bg:#f3f7ff;--border:#e0e8f4;--shadow:0 12px 34px rgba(30,62,118,.08);font-family:'Trebuchet MS','Segoe UI',Arial,sans-serif;font-synthesis:none}*{box-sizing:border-box}html,body,#app{min-height:100%;margin:0}body{background:var(--bg);color:var(--ink);font-size:15px}button,input,select{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.55}input,select{min-width:0}button:focus-visible,input:focus-visible,select:focus-visible,[tabindex]:focus-visible{outline:3px solid #ffbf3d;outline-offset:3px}button{transition:transform .16s,filter .16s,background .16s}button:not(:disabled):active{transform:scale(.97)}.hidden{display:none!important}.page-loading{min-height:100vh;display:grid;place-content:center;text-align:center;background:linear-gradient(135deg,#112b58,#1f6baf);color:#fff}.page-loading .logo-mark{font-size:67px;color:var(--yellow)}.page-loading h1{margin:6px}.page-loading p{opacity:.7}.toast{position:fixed;bottom:26px;left:50%;transform:translateX(-50%);z-index:99;background:#152e5a;color:#fff;padding:14px 22px;border-radius:16px;box-shadow:0 15px 35px #10275055;max-width:min(90vw,580px);font-size:14px}.toast.error{background:#a12943}.pill{display:inline-flex;align-items:center;gap:7px;padding:7px 12px;border-radius:99px;background:#e8f5ff;color:#1267b0;font-weight:800;font-size:12px}.btn{border:0;border-radius:16px;padding:13px 20px;font-weight:900;display:inline-flex;align-items:center;justify-content:center;gap:11px;white-space:nowrap}.btn.primary{background:linear-gradient(180deg,#ffda5a,#ffb92c);color:#132952;box-shadow:0 5px 0 #dd9824,0 10px 17px #a46a1833}.btn.primary:hover{filter:brightness(1.04)}.btn.blue{background:#138fff;color:#fff;box-shadow:0 5px 0 #0870cb}.btn.soft{background:#eef4ff;color:#1b548f}.btn.outline{background:#fff;color:#204679;border:1px solid #dbe5f5}.btn.danger{background:#fff0f2;color:#bc3755}.btn:disabled{box-shadow:none}.icon-mini{font-size:20px}.section-title{display:flex;justify-content:space-between;align-items:center;gap:10px;margin:0 0 15px}.section-title h2{margin:0;font-size:21px}.section-title p{margin:5px 0 0;color:var(--muted);font-size:13px}.section-link{color:#1a76c5;font-weight:900;border:0;background:transparent;padding:8px}.card{background:#fff;border:1px solid #e3ebf6;border-radius:23px;box-shadow:var(--shadow)}.muted{color:var(--muted)}.gradient-text{color:#ffb326;text-shadow:0 3px #9c5819}
/* auth */
.auth-page{min-height:100vh;display:grid;grid-template-columns:minmax(0,1.2fr) minmax(440px,.8fr);background:#fff}.auth-art{position:relative;background:linear-gradient(145deg,#122955,#196c9a);color:#fff;overflow:hidden;min-height:660px}.auth-art:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(9,28,68,.84) 0%,rgba(15,54,91,.25) 80%);pointer-events:none}.auth-art>img{position:absolute;inset:17% -35% -10% -30%;width:150%;height:95%;object-fit:cover;opacity:.92}.auth-brand{position:absolute;left:52px;top:45px;z-index:2;display:flex;align-items:center;gap:12px;color:#fff;font-weight:1000;font-size:24px;letter-spacing:-.6px}.brand-icon{display:grid;place-items:center;flex-shrink:0;width:49px;height:49px;border-radius:16px;border:3px solid #ffd95b;background:linear-gradient(135deg,#19b7fa,#3266dc);box-shadow:0 5px 0 #12497c;color:#fff;font-size:30px;transform:rotate(-8deg)}.auth-slogan{position:absolute;z-index:2;top:23%;left:7%;max-width:590px}.auth-slogan .kicker{text-transform:uppercase;font-size:13px;letter-spacing:3px;color:#fff0a7;font-weight:900}.auth-slogan h1{font-size:clamp(42px,5vw,78px);line-height:1.08;letter-spacing:-2px;margin:22px 0}.auth-slogan p{font-size:20px;line-height:1.5;max-width:380px;color:#e5f4ff}.auth-mascots{position:absolute;z-index:3;bottom:7%;left:7%;display:flex;align-items:center;gap:12px}.mascot{width:77px;height:77px;display:grid;place-items:center;background:#ffffffd9;border-radius:25px;border:4px solid #ffffffaa;box-shadow:0 12px 20px #16335f45;font-size:46px}.mascot:nth-child(2){transform:rotate(8deg) translateY(12px)}.mascot:nth-child(3){transform:rotate(-8deg)}.auth-panel{padding:clamp(38px,6vw,94px);display:flex;flex-direction:column;justify-content:center;max-width:720px;width:100%;margin:auto}.auth-panel .eyebrow{color:#1188dd;font-weight:1000;font-size:13px;letter-spacing:1.3px;text-transform:uppercase}.auth-panel h2{font-size:clamp(30px,3.2vw,45px);line-height:1.12;letter-spacing:-1.1px;margin:14px 0 12px}.auth-panel p{color:var(--muted);line-height:1.55;margin:0 0 28px}.auth-tabs{background:#eff4fc;border-radius:15px;padding:5px;display:flex;gap:5px;margin-bottom:28px}.auth-tabs button{flex:1;padding:12px 10px;border:0;border-radius:11px;font-weight:900;color:#7486a4;background:transparent}.auth-tabs button.active{color:#1661af;background:#fff;box-shadow:0 3px 10px #17356c1b}.field{display:flex;flex-direction:column;gap:7px;margin-bottom:17px}.field label{font-weight:900;font-size:13px}.field input,.field select{width:100%;border:2px solid #e2eaf5;border-radius:13px;background:#fff;height:52px;padding:0 14px;color:var(--ink);outline:none}.field input:focus,.field select:focus{border-color:#3aa9ff;box-shadow:0 0 0 3px #d7efff}.pin-wrap{position:relative}.pin-wrap input{padding-right:80px;letter-spacing:6px;font-size:22px;font-weight:900}.reveal{position:absolute;right:7px;top:7px;border:0;color:#3479b8;background:#eaf4ff;border-radius:9px;padding:11px;font-size:12px;font-weight:900}.auth-submit{width:100%;height:57px;margin-top:8px;font-size:16px}.form-tip{font-size:12px!important;margin-top:17px!important;text-align:center}.auth-foot{margin-top:32px;font-size:12px;color:#99a4b6;text-align:center}.auth-error{background:#ffe8ed;color:#ae2f4e;border-radius:12px;padding:12px 15px;font-size:13px;margin-bottom:16px;font-weight:800}
/* app */
.shell{display:flex;min-height:100vh}.sidebar{position:sticky;top:0;height:100vh;flex:0 0 258px;background:linear-gradient(160deg,#10234b 0%,#173663 76%,#112b52 100%);color:#fff;padding:24px 16px;display:flex;flex-direction:column;z-index:10;overflow-y:auto}.sidebar .brand{display:flex;align-items:center;gap:12px;padding:5px 8px 24px;margin-bottom:13px;border-bottom:1px solid #ffffff20}.sidebar .brand-title{font-weight:1000;font-size:19px;line-height:1.12;letter-spacing:-.6px}.sidebar .brand-title span{color:#ffd554;display:block}.nav-label{font-size:10px;font-weight:900;color:#829bc3;padding:14px 14px 8px;letter-spacing:1.3px}.nav-btn{width:100%;border:0;text-align:left;color:#e3edff;display:flex;align-items:center;gap:13px;padding:14px 13px;border-radius:14px;background:transparent;font-weight:850;margin:3px 0}.nav-btn:hover{background:#ffffff17}.nav-btn.active{background:linear-gradient(95deg,#168fff,#31a5ff);box-shadow:0 8px 22px #087fdf55;color:#fff}.nav-emoji{font-size:24px;width:31px;text-align:center}.sidebar-bottom{margin-top:auto;background:#ffffff10;border:1px solid #ffffff19;border-radius:18px;padding:15px}.sidebar-bottom .small-fox{font-size:44px;line-height:1}.sidebar-bottom strong{display:block;font-size:13px}.sidebar-bottom p{font-size:11px;line-height:1.5;color:#d7e5ff;margin:5px 0 0}.workspace{flex:1;min-width:0}.topbar{min-height:85px;background:#fff;border-bottom:1px solid #e9eef8;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:17px 30px}.topbar-search{display:flex;align-items:center;gap:12px;border-radius:99px;background:#f2f6fc;padding:12px 19px;max-width:420px;width:38%;border:1px solid #e6edfb}.topbar-search input{border:0;background:transparent;outline:0;width:100%;color:var(--ink);font-size:13px}.topbar-stats{display:flex;align-items:center;gap:21px}.stat-chip{white-space:nowrap;font-size:14px;font-weight:900}.stat-chip span{font-size:25px;vertical-align:middle}.user-chip{display:flex;align-items:center;gap:10px;border-left:1px solid #dce5f3;padding-left:18px}.avatar{display:grid;place-items:center;border-radius:50%;background:#e2f5ff;border:3px solid #d6e9fa;width:45px;height:45px;font-size:26px}.user-chip strong{display:block}.user-chip small{color:var(--muted)}.main{padding:26px 28px 38px;max-width:1640px;margin:auto}.hero{position:relative;min-height:315px;border-radius:26px;overflow:hidden;background:linear-gradient(90deg,#14518a,#36a5e0);box-shadow:0 14px 28px #175c8e19}.hero img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center 56%}.hero:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(15,47,94,.92),rgba(12,66,104,.47) 47%,transparent 74%)}.hero-copy{position:relative;z-index:1;padding:46px 40px;max-width:530px;color:#fff}.hero-kicker{font-size:12px;font-weight:900;letter-spacing:2px;color:#ffeb9c;text-transform:uppercase}.hero h1{font-size:clamp(36px,3.9vw,61px);line-height:1.03;margin:13px 0 14px;letter-spacing:-1.8px;font-weight:1000;text-shadow:0 4px 0 #123e72}.hero h1 span{color:var(--yellow)}.hero p{font-size:15px;line-height:1.5;color:#f0f6ff;max-width:390px;margin:0 0 22px}.hero .btn{font-size:15px}.mission-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:17px 0 26px}.mission-card{display:flex;align-items:center;justify-content:space-between;min-height:125px;border-radius:19px;border:0;padding:21px;text-align:left;overflow:hidden;color:#21335c}.mission-card:hover,.world-card:hover,.level-card:not(.locked):hover{transform:translateY(-3px);box-shadow:0 14px 29px #1d4f8420}.mission-card.yellow{background:linear-gradient(120deg,#ffd451,#ffe99c)}.mission-card.blue{background:linear-gradient(120deg,#6edbff,#b9ecff)}.mission-card.purple{background:linear-gradient(120deg,#c4a5ff,#f0e6ff)}.mission-card .big{font-size:59px;filter:drop-shadow(0 5px 3px #16345b22)}.mission-card strong{display:block;font-size:20px;line-height:1.15}.mission-card small{display:block;font-size:12px;margin-top:8px;color:#4c597b;line-height:1.45}.home-bottom{display:grid;grid-template-columns:1.14fr .86fr;gap:17px}.panel{padding:22px}.current-level{display:flex;align-items:center;gap:22px;min-height:145px}.level-art{display:grid;place-items:center;background:linear-gradient(145deg,#ccf3ff,#e3ffdd);height:130px;min-width:155px;border-radius:20px;font-size:78px}.current-level strong{display:block;font-size:19px}.current-level p{color:var(--muted);margin:8px 0 15px;font-size:13px}.progress-track{height:12px;background:#e7eef7;border-radius:40px;overflow:hidden}.progress-fill{height:100%;background:linear-gradient(90deg,#23cd72,#64e6a7);border-radius:40px;transition:width .2s}.tiny-stat{font-size:12px;color:var(--muted);margin-top:7px}.achievement-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.achievement{background:#f7faff;border:1px solid #edf2fb;border-radius:15px;min-height:130px;padding:13px 6px;text-align:center}.achievement .badge-emoji{font-size:37px;display:block;margin-bottom:7px}.achievement strong{font-size:11px;display:block}.achievement small{font-size:10px;color:var(--muted);line-height:1.4;display:block;margin-top:6px}
/* worlds */
.page-heading{display:flex;align-items:center;justify-content:space-between;margin:1px 0 20px}.page-heading h1{font-size:32px;letter-spacing:-1px;margin:0 0 4px}.page-heading p{color:var(--muted);margin:0;font-size:14px}.worlds-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.world-card{position:relative;border:1px solid #e7ecf5;border-radius:23px;min-height:250px;padding:19px 20px 22px;background:#fff;overflow:hidden;box-shadow:var(--shadow);text-align:left;display:flex;flex-direction:column;justify-content:end;transition:transform .16s,box-shadow .16s}.world-card .world-bg{position:absolute;inset:0 0 31%;z-index:0}.world-card .world-bg:after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,#ffffff 2%,#ffffff00 90%)}.world-bg.island{background:radial-gradient(circle at 70% 40%,#fffac2,#6ddfff 60%,#289fcb)}.world-bg.forest{background:radial-gradient(circle at 25% 30%,#cbff9c,#70d6af 62%,#269f74)}.world-bg.town{background:linear-gradient(145deg,#b6b4ff,#ffd7aa)}.world-bg.castle{background:linear-gradient(145deg,#b3d9ff,#beb2fc)}.world-bg.ocean{background:linear-gradient(145deg,#9ef1fb,#48bded)}.world-bg.galaxy{background:radial-gradient(circle at 60% 20%,#986ae4,#393b88 75%,#172759)}.world-card .world-figure{font-size:94px;display:block;text-align:center;position:absolute;top:10px;left:0;right:0;filter:drop-shadow(0 11px 7px #15335929)}.world-card .grade-label{position:relative;z-index:1;align-self:start;border-radius:30px;background:#fff;padding:6px 12px;font-size:11px;font-weight:900;margin-bottom:10px;color:#2869ad}.world-card h3{position:relative;z-index:1;margin:0;font-size:20px}.world-card .arabic{position:relative;z-index:1;font-size:12px;color:var(--muted);margin:4px 0 11px}.world-card .world-end{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:12px;color:#6480a0}.world-card.locked-world{filter:saturate(.65);opacity:.72}.world-lock{position:absolute;right:18px;top:16px;background:#ffffffdf;border-radius:30px;padding:7px;font-size:20px;z-index:2}.levels-panel{margin-top:22px}.world-banner{border-radius:23px;min-height:158px;display:flex;align-items:center;gap:24px;background:linear-gradient(100deg,#1675cc,#74ccfb);color:#fff;padding:23px 30px;margin-bottom:22px;position:relative;overflow:hidden}.world-banner.forest{background:linear-gradient(100deg,#12876b,#78d4a3)}.world-banner.town{background:linear-gradient(100deg,#6a63bd,#d0a0de)}.world-banner.castle{background:linear-gradient(100deg,#4766c8,#a79df7)}.world-banner.ocean{background:linear-gradient(100deg,#0a8fb4,#81d8ed)}.world-banner.galaxy{background:linear-gradient(100deg,#273276,#9265c9)}.world-banner .figure{font-size:90px;filter:drop-shadow(0 9px 10px #0003)}.world-banner h2{margin:0 0 6px;font-size:32px}.world-banner p{margin:0;color:#e8f7ff}.level-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:13px}.level-card{background:#fff;border:1px solid #dfe9f4;border-radius:19px;padding:17px;display:flex;align-items:center;gap:15px;text-align:left;box-shadow:var(--shadow);transition:transform .15s,box-shadow .15s;color:var(--ink)}.level-card .big-icon{font-size:40px;background:#e9f6ff;border-radius:15px;min-width:64px;height:65px;display:grid;place-items:center}.level-card strong{display:block;font-size:17px}.level-card small{display:block;color:var(--muted);margin:5px 0}.level-card .level-stars{color:#e9a621;letter-spacing:3px;font-size:19px}.level-card .corner{margin-left:auto;font-size:24px}.level-card.locked{background:#f2f5fb;box-shadow:none;color:#8b9bb5}
/* game */
.game-shell{max-width:980px;margin:0 auto}.game-top{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:20px}.game-track{height:12px;border-radius:30px;background:#e5ecf8;overflow:hidden;flex:1;max-width:470px}.game-track>div{height:100%;background:linear-gradient(90deg,#2b9bff,#36d9bf);border-radius:30px}.question-card{padding:29px 34px;border-radius:25px;background:#fff;border:1px solid #e2eaf6;box-shadow:var(--shadow)}.question-top{display:flex;justify-content:space-between;align-items:center}.question-art{height:128px;display:grid;place-items:center;font-size:100px;margin:14px auto}.question-card h2{text-align:center;font-size:28px;line-height:1.35;margin:7px 0 13px;letter-spacing:-.5px}.question-card .sub{text-align:center;color:var(--muted);font-size:13px;margin:0 0 24px}.choices{display:grid;grid-template-columns:1fr 1fr;gap:13px}.choice{border:2px solid #e2eafa;border-radius:16px;padding:18px 20px;background:#fafdff;color:var(--ink);font-size:17px;font-weight:900;text-align:left;display:flex;align-items:center;gap:13px;min-height:72px}.choice:hover{border-color:#92c9ff;background:#f3faff}.choice.selected{border-color:#138fff;background:#e7f4ff;box-shadow:0 0 0 3px #baddff}.choice .key{display:grid;place-items:center;border-radius:10px;background:#eaf1ff;color:#1768ba;min-width:35px;height:35px;font-weight:1000}.choice.selected .key{background:#168fff;color:#fff}.type-answer{width:100%;height:66px;text-align:center;font-size:27px;letter-spacing:2px;border:2px solid #cae0f8;border-radius:17px;outline:0}.type-answer:focus{border-color:#189bff}.words-pool,.built-sentence{min-height:72px;border:2px dashed #cfdef1;border-radius:16px;padding:12px;display:flex;flex-wrap:wrap;gap:9px;align-items:center;justify-content:center}.words-pool{margin-top:14px}.word-token{border:0;border-radius:11px;background:#eaf3ff;color:#164e8e;padding:12px 15px;font-weight:900;box-shadow:0 4px 0 #b8d4f4}.built-sentence{background:#f5fbff}.word-token.used{background:#2da2ff;color:#fff}.game-footer{display:flex;align-items:center;justify-content:space-between;margin-top:24px}.reading-passage{padding:18px 21px;border-radius:15px;background:#f1f8ff;color:#274d79;line-height:1.7;font-size:16px;border:1px solid #d6eaff;margin-bottom:15px}.result-hero{text-align:center;padding:12px 10px 20px}.result-hero .trophy{font-size:95px}.result-hero h2{font-size:38px;margin:6px}.result-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:15px 0 20px}.result-stat{text-align:center;border-radius:14px;background:#f2f7ff;padding:14px 10px}.result-stat strong{font-size:26px;display:block}.result-stat small{color:var(--muted)}.review-list{display:grid;gap:8px;margin:12px 0}.review-row{display:flex;gap:12px;padding:12px;border-radius:12px;background:#f5f9ff;font-size:13px}.review-row .status{font-size:21px}.review-row strong{display:block}.review-row span{display:block;color:#667a9e;margin-top:4px}
/* progress, settings */
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:15px;margin-bottom:18px}.number-card{padding:20px}.number-card .big{font-size:36px;font-weight:1000;display:block;margin:9px 0 0}.skill-list{display:grid;gap:17px}.skill-row{display:flex;align-items:center;gap:12px}.skill-row>span{min-width:102px;font-weight:900;font-size:13px}.skill-row>.progress-track{flex:1}.skill-row small{width:37px;text-align:right;color:#687c9a;font-weight:900}.profile-wrap{display:grid;grid-template-columns:1fr 1fr;gap:17px}.profile-card{padding:26px}.profile-head{display:flex;gap:13px;align-items:center;margin:0 0 22px}.profile-head .face{font-size:45px;background:#e6f6ff;padding:13px;border-radius:20px}.profile-head h2{margin:0}.profile-head p{margin:5px 0 0;color:var(--muted)}.profile-card .field{max-width:350px}.empty{padding:35px;text-align:center;color:var(--muted)}.no-results{text-align:center;padding:35px;background:#fff;border:1px dashed #dbe5f5;border-radius:18px}.offline-tag{position:fixed;bottom:10px;right:10px;color:#ba4b48;background:#fff5ea;border:1px solid #f5d0aa;padding:6px 12px;border-radius:20px;font-weight:900;font-size:12px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
@media(max-width:1170px){.sidebar{flex-basis:220px}.topbar{padding:14px 21px}.main{padding:21px}.topbar-stats{gap:12px}.hero{min-height:285px}.hero-copy{padding:36px}.mission-card{padding:14px}.mission-card .big{font-size:45px}.mission-card strong{font-size:17px}.worlds-grid{grid-template-columns:repeat(2,1fr)}.achievement-grid{grid-template-columns:repeat(2,1fr)}.achievement{min-height:96px}.auth-panel{padding:40px}}
@media(max-width:900px){.sidebar{flex-basis:78px;padding:18px 9px}.sidebar .brand{justify-content:center;padding:5px 0 22px}.brand-title,.sidebar-bottom,.nav-label,.nav-text{display:none!important}.sidebar .brand .brand-icon{width:44px;height:44px}.nav-btn{justify-content:center;padding:15px 8px}.topbar-search{width:40%}.mission-grid{gap:8px}.home-bottom{grid-template-columns:1fr}.auth-page{grid-template-columns:1fr}.auth-art{display:none}.auth-panel{padding:38px 25px}}
@media(max-width:640px){.topbar{flex-wrap:wrap}.topbar-search{max-width:none;width:100%;order:2}.topbar-stats{width:100%;justify-content:space-between}.stat-chip{font-size:11px}.user-chip strong{font-size:12px}.sidebar{flex-basis:60px}.nav-emoji{font-size:20px}.brand-icon{width:38px!important;height:38px!important}.main{padding:12px}.hero{min-height:310px}.hero-copy{padding:24px}.hero h1{font-size:34px}.mission-grid{grid-template-columns:1fr}.mission-card{min-height:90px}.worlds-grid,.level-list,.stats-grid,.profile-wrap,.choices{grid-template-columns:1fr}.question-card{padding:19px}.question-card h2{font-size:22px}.game-footer{gap:10px}.auth-panel h2{font-size:30px}}
@media(prefers-reduced-motion:reduce){button,.world-card,.level-card,.progress-fill{transition:none}}