@font-face{font-family:Vazir;src:url(fonts/Vazir.woff2) format('woff2');font-style:normal;font-weight:400;font-display:swap}
@font-face{font-family:Vazir;src:url(fonts/Vazir-Bold.woff2) format('woff2');font-style:normal;font-weight:700;font-display:swap}
:root{font-family:Vazir,system-ui,sans-serif;color-scheme:light;--bg:#f6f7f9;--surface:#fff;--surface2:#f0f1f4;--text:#181b24;--muted:#666c7b;--line:#e4e6ec;--red:#cf2030;--red-bright:#f13a49;--red-soft:#fef0f1;--green:#14775b;--shadow:0 12px 40px #17214208;--radius:18px;--sidebar:256px;font-size:16px}
[data-theme=dark]{color-scheme:dark;--bg:#111318;--surface:#1a1d24;--surface2:#232630;--text:#f0f2f6;--muted:#a7adbb;--line:#30343e;--red:#ff6370;--red-soft:#39252c;--green:#67d1b2;--shadow:0 12px 40px #0002}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:90px}body{margin:0;background:var(--bg);color:var(--text);line-height:1.85}body,button,input,select,textarea{font-family:Vazir,system-ui,sans-serif}a{color:inherit;text-decoration:none}button,input,select,textarea{font-size:.9375rem}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}button{cursor:pointer;color:inherit}button:disabled{opacity:.6;cursor:wait}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid var(--red);outline-offset:4px}button{border:0}svg.icon,.navigation svg,.icon-button svg,.search-button svg{width:21px;height:21px;flex-shrink:0;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}h1,h2,h3,h4,p{margin:0}h1{font-size:2rem;letter-spacing:-.7px;line-height:1.65}h2{font-size:1.25rem;line-height:1.75}h3{font-size:1.0625rem}p{color:var(--muted)}small{font-size:.8125rem}strong,b{font-weight:700}[hidden]{display:none!important}.row{display:flex;align-items:center;gap:12px;flex-wrap:wrap}.row.between{justify-content:space-between}.stack{display:grid;gap:16px}.muted{color:var(--muted)}.accent{color:var(--red)}.eyebrow{font-size:.75rem;letter-spacing:1.8px;text-transform:uppercase;color:var(--muted);font-family:system-ui,sans-serif;font-weight:600}.skip-link{position:fixed;top:-100px;right:20px;z-index:200;background:var(--text);color:var(--surface);padding:10px 18px}.skip-link:focus{top:10px}.small-link{font-size:.875rem;color:var(--muted)}.small-link:hover{color:var(--red)}
.app-shell{display:grid;grid-template-columns:var(--sidebar) minmax(0,1fr);min-height:100dvh}.sidebar{height:100dvh;position:sticky;top:0;background:var(--surface);border-inline-end:1px solid var(--line);display:flex;flex-direction:column;min-height:0;z-index:30;overflow:hidden}.sidebar-brand{min-height:92px;display:flex;align-items:center;gap:8px;padding:22px 16px;border-bottom:1px solid var(--line);flex-shrink:0}.brand{display:flex;align-items:center;gap:10px;min-width:0}.brand-mark{background:#e32837;color:#fff;display:flex;align-items:center;justify-content:center;gap:1px;flex-shrink:0;width:42px;height:42px;line-height:1;border-radius:13px;font-family:Arial,sans-serif;font-size:16px;letter-spacing:-1px}.brand-mark span{font-size:12px;margin-top:9px}.brand-name{font-family:Arial,sans-serif;font-size:16px;font-weight:700;line-height:1.25;white-space:nowrap}.brand-name>span{color:var(--red)}.brand-name small{display:block;letter-spacing:1.7px;font-size:9px;margin-top:7px;color:var(--muted);font-weight:400}.sidebar-brand>.icon-button{margin-inline-start:auto;width:24px;min-height:36px;font-size:26px;background:transparent}.sidebar-scroll{flex:1;min-height:0;overflow-y:auto;overscroll-behavior:contain;scrollbar-width:thin;scrollbar-color:var(--line) transparent;padding:18px 12px}.navigation{display:flex;flex-direction:column;gap:5px}.navigation a{display:flex;align-items:center;gap:12px;font-size:.875rem;padding:10px 13px;min-height:44px;border-radius:10px;color:var(--muted);white-space:nowrap}.navigation a:hover{background:var(--surface2);color:var(--text)}.navigation a.active,.navigation a[aria-current=page]{background:var(--red-soft);color:var(--red);font-weight:700}.nav-label{font-size:.75rem;color:var(--muted);padding:17px 14px 5px}.sidebar-footer{display:flex;gap:8px;align-items:center;padding:14px 16px;border-top:1px solid var(--line);flex-shrink:0;min-height:86px}.avatar{display:inline-flex;align-items:center;justify-content:center;width:42px;height:42px;border:1px solid var(--line);border-radius:50%;background:var(--surface2);font-size:1.1rem;flex-shrink:0}.profile-button{background:none;display:flex;align-items:center;gap:10px;text-align:start;min-width:0;padding:0;flex:1}.profile-copy{display:flex;flex-direction:column;min-width:0}.profile-copy strong{font-size:.8125rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.profile-copy small{font-size:.75rem;color:var(--muted)}.icon-button{width:40px;min-height:40px;display:inline-flex;align-items:center;justify-content:center;background:var(--surface);border:1px solid var(--line);border-radius:11px;flex-shrink:0}.icon-button:hover{background:var(--surface2)}.workspace-main{min-width:0;display:flex;flex-direction:column}.topbar{min-height:77px;display:flex;justify-content:space-between;align-items:center;gap:16px;padding:16px 36px;border-bottom:1px solid var(--line);background:color-mix(in srgb,var(--surface) 90%,transparent);backdrop-filter:blur(16px);position:sticky;top:0;z-index:20}.breadcrumb{font-size:.875rem;color:var(--muted)}.breadcrumb span{padding:0 10px;color:var(--line)}.breadcrumb strong{color:var(--text);font-weight:400}.search-button{display:flex;align-items:center;gap:9px;padding:9px 12px;color:var(--muted);background:var(--bg);border:1px solid var(--line);border-radius:10px;font-size:.8125rem}kbd{font-family:system-ui,monospace;font-size:.6875rem;background:var(--surface);border:1px solid var(--line);border-radius:4px;padding:1px 4px;color:var(--muted)}.mobile-toggle{display:none}#main{padding:30px 36px 42px;width:100%;max-width:1550px;margin:0 auto;flex:1;outline:0}.workspace-footer{display:flex;justify-content:space-between;gap:12px;padding:16px 36px;border-top:1px solid var(--line);font-size:.75rem;color:var(--muted)}.collapsed{--sidebar:84px}.collapsed .brand-name,.collapsed .sidebar-brand>.icon-button,.collapsed .profile-copy,.collapsed .sidebar-footer>[data-logout],.collapsed .navigation a>span,.collapsed .nav-label{display:none}.collapsed .sidebar-brand{padding:22px 20px}.collapsed .sidebar-footer{padding:16px 20px}.collapsed .navigation a{justify-content:center;padding:12px 6px}.collapsed .sidebar-scroll{padding:14px 10px}.collapsed .sidebar:hover .sidebar-brand>.icon-button{display:flex;position:absolute;top:69px;inset-inline-end:4px;background:var(--surface);width:24px;min-height:24px;border:1px solid var(--line);z-index:1}.sidebar-backdrop{position:fixed;inset:0;background:#0008;backdrop-filter:blur(3px);z-index:25}
.page-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px}.page-heading p{margin-top:5px;font-size:.9375rem}.button{display:inline-flex;align-items:center;justify-content:center;gap:9px;padding:10px 18px;min-height:44px;border-radius:10px;font-size:.875rem;font-weight:700;line-height:1.5;text-align:center;background:#d82334;color:#fff;border:1px solid transparent}.button:hover{filter:brightness(.94)}.button.secondary{background:var(--surface);color:var(--text);border-color:var(--line)}.button.ghost{color:var(--muted);background:transparent}.button.danger{background:var(--red-soft);color:var(--red)}.button svg{width:18px;height:18px}.dashboard-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:24px}.hero-card{border-radius:var(--radius);padding:30px;background:#20232b;color:#fff;position:relative;overflow:hidden;min-height:230px;display:flex;align-items:center;justify-content:space-between;gap:26px}.hero-card:after{content:'';position:absolute;width:320px;height:320px;border:1px solid #ffffff0c;border-radius:50%;left:-90px;top:-140px;box-shadow:0 0 0 45px #ffffff04,0 0 0 95px #ffffff03;pointer-events:none}.hero-card h2{font-size:1.7rem}.hero-card p{color:#b9bdc9;margin:10px 0 20px;max-width:480px;font-size:.9375rem}.hero-card .eyebrow{color:#ff919a}.hero-card>div{z-index:1}.hero-code{font-family:monospace;direction:ltr;color:#b7bbc7;line-height:2.2;font-size:.875rem;transform:rotate(-5deg);padding:22px;border:1px solid #ffffff15;border-radius:15px;background:#ffffff04}.hero-code strong{color:#ff7b86}.stats-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin:22px 0}.stat{padding:18px 20px;background:var(--surface);border:1px solid var(--line);border-radius:14px;min-width:0}.stat .label{font-size:.8125rem;color:var(--muted);display:flex;gap:9px;align-items:center}.stat strong{font-size:1.75rem;display:block;margin-top:9px;font-family:Vazir,system-ui}.stat small{color:var(--muted)}.section-heading{display:flex;align-items:center;justify-content:space-between;gap:14px;margin:4px 0 16px}.panel{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);padding:22px;min-width:0;box-shadow:var(--shadow)}.panel>h2{margin-bottom:14px}.panel.flush{padding:0;overflow:hidden}.panel.dark{background:#21252f;color:#fff}.panel.dark p{color:#afb7c7}.panel.dark .eyebrow{color:#a7b3c7}.progress{height:6px;background:var(--surface2);border-radius:6px;overflow:hidden;direction:ltr}.progress i{display:block;height:100%;border-radius:6px;background:#e32837;transition:width .4s}.progress-label{display:flex;justify-content:space-between;gap:10px;margin:12px 0 8px;color:var(--muted);font-size:.8125rem}.course-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.course-card{overflow:hidden;border:1px solid var(--line);background:var(--surface);border-radius:var(--radius);transition:transform .18s,box-shadow .18s;min-width:0}.course-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}.course-cover{aspect-ratio:2.2;background:#252b37;position:relative;display:flex;align-items:center;justify-content:space-between;padding:24px;color:#fff;overflow:hidden}.course-cover:after{content:'';position:absolute;left:-30px;bottom:-85px;transform:rotate(-30deg);width:180px;height:240px;border:26px solid #ffffff08}.course-cover .code-index{font-size:2.8rem;font-family:monospace;line-height:1;color:#ffffffb8}.course-cover .eyebrow{color:#fff9}.course-cover img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0}.course-cover.tone-1{background:#323f47}.course-cover.tone-2{background:#43313d}.course-body{padding:18px 20px}.course-body h3{margin-bottom:7px}.course-body>p{font-size:.875rem;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;overflow:hidden;min-height:3.5em}.course-foot{display:flex;align-items:center;justify-content:space-between;margin-top:18px}.course-foot small{color:var(--muted)}.course-row{display:grid;grid-template-columns:72px minmax(0,1fr) auto;gap:16px;align-items:center;padding:18px 0;border-bottom:1px solid var(--line)}.course-row:last-child{border-bottom:0}.course-tile{height:68px;border-radius:12px;display:flex;align-items:center;justify-content:center;background:var(--surface2);font-family:monospace;font-size:1.4rem;color:var(--red)}.xp-value{font-size:2.6rem;line-height:1.4;font-weight:700;margin:14px 0 2px}.xp-value small{font-family:system-ui;font-size:.875rem;color:var(--muted);font-weight:400}.level-chip{display:inline-flex;align-items:center;gap:8px;padding:4px 10px;background:var(--red-soft);color:var(--red);border-radius:6px;font-size:.8125rem}.activity-dots{display:flex;gap:7px;justify-content:space-between;margin-top:20px}.activity-dots span{height:32px;width:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:.75rem;background:var(--surface2);color:var(--muted)}.activity-dots span.on{background:var(--red-soft);color:var(--red)}.tip-box{border-inline-start:2px solid var(--red);padding-inline-start:13px;margin:20px 0}.tip-box p{font-size:.875rem}.list-row{display:flex;gap:14px;align-items:center;padding:15px 0;border-bottom:1px solid var(--line)}.list-row:last-child{border-bottom:0}.list-row>.grow{flex:1;min-width:0}.list-row small{color:var(--muted)}.list-row .avatar{width:36px;height:36px;font-size:.9375rem}.rank{width:28px;text-align:center;color:var(--muted);font-family:system-ui}.xp-mini{font-size:.8125rem;font-family:system-ui;color:var(--red);white-space:nowrap}.empty{text-align:center;padding:42px 20px}.empty>.icon{width:36px;height:36px;color:var(--muted);margin-bottom:10px}.empty p{font-size:.9375rem;max-width:470px;margin:8px auto 18px}.loading{min-height:220px;display:grid;place-content:center;color:var(--muted)}.loading:before{content:'';display:block;width:26px;height:26px;border:2px solid var(--line);border-top-color:var(--red);border-radius:50%;margin:0 auto 15px;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.error-panel{border:1px solid var(--red);background:var(--red-soft);border-radius:14px;padding:24px;white-space:pre-wrap}.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);max-width:min(600px,calc(100% - 32px));z-index:110;background:var(--text);color:var(--surface);box-shadow:0 6px 35px #0003;border-radius:12px;padding:13px 22px;font-size:.875rem;white-space:pre-line}.pagination{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:20px 0;font-size:.875rem;color:var(--muted)}
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32px));max-height:calc(100dvh - 60px);padding:34px;border:1px solid var(--line);border-radius:22px;background:var(--surface);color:var(--text);box-shadow:0 20px 90px #0004}dialog::backdrop{background:#080b13a8;backdrop-filter:blur(6px)}.dialog-close{position:absolute;top:12px;inset-inline-end:12px;font-size:26px;background:transparent;border:0}#dialog-content{padding-top:18px}#dialog-content h2{margin-bottom:18px}#dialog-content .stack{margin-top:15px}.status{display:inline-flex;align-items:center;font-size:.75rem;padding:3px 9px;border-radius:6px;color:var(--muted);background:var(--surface2);white-space:nowrap}.status.pending,.status.draft{color:#865000;background:#fff1d4}.status.accepted,.status.published{color:#146449;background:#e2f4ed}.status.rejected{color:#a92535;background:#ffe6e8}[data-theme=dark] .status.pending,[data-theme=dark] .status.draft{color:#ffcf85;background:#423721}[data-theme=dark] .status.accepted,[data-theme=dark] .status.published{color:#80dfb8;background:#1b3930}[data-theme=dark] .status.rejected{color:#ffa4af;background:#452a30}.assignment-card{padding:24px;margin-bottom:18px;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface)}.assignment-card p{white-space:pre-wrap;font-size:.9375rem;margin:12px 0}.assignment-meta{display:flex;gap:22px;flex-wrap:wrap;font-size:.8125rem;color:var(--muted);margin:15px 0}.dropzone{border:2px dashed var(--line);border-radius:14px;padding:30px;text-align:center;background:var(--bg);margin:18px 0}.dropzone.dragging{border-color:var(--red);background:var(--red-soft)}.dropzone p{font-size:.875rem;margin:10px}.dropzone input{width:100%;max-width:320px;font-size:.875rem}.revision{border-inline-start:2px solid var(--line);padding:0 18px 25px;margin-inline-start:8px}.feedback-message{padding:12px 15px;background:var(--surface2);border-radius:10px;margin-top:10px;white-space:pre-wrap;font-size:.9375rem}.feedback-message small{display:block}.badge-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.badge-card{text-align:center;padding:30px 20px;border:1px solid var(--line);border-radius:18px;background:var(--surface)}.badge-card .badge-symbol{display:grid;place-items:center;width:72px;height:72px;border-radius:22px;border:1px solid var(--line);background:var(--surface2);margin:0 auto 20px;color:var(--muted)}.badge-card .badge-symbol svg{width:32px;height:32px}.badge-card.earned .badge-symbol{background:var(--red-soft);color:var(--red);border-color:color-mix(in srgb,var(--red) 25%,transparent)}.badge-card p{font-size:.875rem;margin:8px 0}.podium{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin:28px 0;align-items:end}.podium-card{padding:28px 20px;text-align:center;border:1px solid var(--line);border-radius:20px;background:var(--surface)}.podium-card:first-child{background:#252831;color:#fff;grid-column:2;grid-row:1;padding-top:44px;border-color:transparent}.podium-card:nth-child(2){grid-column:1;grid-row:1}.podium-card:nth-child(3){grid-column:3;grid-row:1}.podium-card .avatar{margin:12px 0;width:56px;height:56px}.podium-card:first-child .avatar{background:#3b3d48;border-color:#ffffff20}.podium-card strong{display:block}.podium-card .xp-value{font-size:1.7rem;color:var(--red)}.mine-row{background:var(--red-soft);border:1px solid color-mix(in srgb,var(--red) 20%,transparent);border-radius:12px;padding:16px 22px}.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:14px;background:var(--surface)}table{border-collapse:collapse;width:100%;text-align:start;font-size:.875rem;white-space:nowrap}th,td{padding:14px 18px;border-bottom:1px solid var(--line);text-align:start}th{background:var(--surface2);font-size:.8125rem;color:var(--muted)}tr:last-child td{border-bottom:0}.table-wrap td.wrap{white-space:normal;min-width:180px;max-width:360px}
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