*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg-dark: #0f0e17;--bg-card: #1a1a2e;--bg-surface: #16213e;--text-primary: #e8e8e8;--text-secondary: #a0a0b0;--accent: #7f5af0;--accent-light: #a78bfa;--success: #22c55e;--warning: #f59e0b;--danger: #ef4444;--border: #2a2a4a}body{font-family:Fredoka,sans-serif;background:var(--bg-dark);color:var(--text-primary);min-height:100vh;overflow-x:hidden}a{color:var(--accent-light);text-decoration:none}button{font-family:Fredoka,sans-serif;cursor:pointer;border:none;border-radius:8px;font-size:14px;padding:8px 16px;transition:transform .1s,opacity .2s}button:hover{transform:scale(1.02)}button:active{transform:scale(.98)}.loading-screen{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100vh;gap:16px}.loading-spinner{font-size:64px;animation:bounce 1s ease-in-out infinite}@keyframes bounce{0%,to{transform:translateY(0)}50%{transform:translateY(-20px)}}@keyframes float{0%,to{transform:translateY(0) rotate(0)}50%{transform:translateY(-10px) rotate(5deg)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.7}}.login-page{display:flex;align-items:center;justify-content:center;min-height:100vh;background:linear-gradient(135deg,#0f0e17,#1a1a2e,#16213e);padding:20px}.login-card{background:var(--bg-card);border-radius:24px;padding:48px 40px;max-width:420px;width:100%;text-align:center;border:1px solid var(--border);box-shadow:0 20px 60px #00000080}.login-hero{margin-bottom:32px}.login-icon{font-size:72px;display:block;margin-bottom:16px;animation:float 3s ease-in-out infinite}.login-card h1{font-size:36px;font-weight:700;background:linear-gradient(135deg,#7f5af0,#2cb67d);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;margin-bottom:8px}.login-tagline{color:var(--text-secondary);font-size:18px}.login-features{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:32px}.feature{display:flex;align-items:center;gap:8px;padding:10px 14px;background:var(--bg-surface);border-radius:12px;font-size:14px}.feature span:first-child{font-size:20px}.login-button{display:flex;align-items:center;justify-content:center;width:100%;padding:14px 24px;background:#fff;color:#333;font-size:16px;font-weight:600;border-radius:12px;border:none;transition:transform .15s,box-shadow .15s}.login-button:hover{transform:translateY(-2px);box-shadow:0 8px 20px #ffffff1a}.login-note{margin-top:16px;font-size:13px;color:var(--text-secondary)}.dashboard-header{display:flex;align-items:center;justify-content:space-between;padding:16px 24px;background:var(--bg-card);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:10}.header-left{display:flex;align-items:center;gap:12px}.header-left .logo{font-size:28px}.header-left h1{font-size:22px;font-weight:700;background:linear-gradient(135deg,#7f5af0,#2cb67d);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.header-right{display:flex;align-items:center;gap:16px}.admin-link{padding:6px 14px;background:var(--bg-surface);border-radius:8px;font-size:13px;color:var(--accent-light);border:1px solid var(--border)}.admin-link:hover{background:var(--accent);color:#fff}.user-info{display:flex;align-items:center;gap:8px}.avatar{width:32px;height:32px;border-radius:50%}.user-name{font-size:14px;color:var(--text-secondary)}.logout-btn{padding:6px 14px;background:var(--bg-surface);color:var(--text-secondary);font-size:13px;border:1px solid var(--border)}.logout-btn:hover{color:var(--danger);border-color:var(--danger)}.dashboard-main{max-width:900px;margin:0 auto;padding:32px 24px}.welcome-section{margin-bottom:24px}.welcome-section h2{font-size:28px;margin-bottom:8px}.welcome-section p{color:var(--text-secondary);font-size:16px}.belt-progress{background:var(--bg-card);border-radius:16px;padding:20px 24px;margin-bottom:20px;border:1px solid var(--border)}.current-belt{display:flex;align-items:center;gap:16px;padding:16px 20px;border-radius:12px;margin-bottom:16px}.belt-emoji{font-size:36px}.current-belt h3{font-size:20px;margin-bottom:2px}.current-belt p{font-size:14px;opacity:.8}.belt-track{display:flex;align-items:center;justify-content:center;gap:8px;margin-bottom:16px}.belt-dot{width:28px;height:28px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:11px;transition:transform .2s}.belt-dot.earned{transform:scale(1.1)}.belt-dot-check{color:#fff;font-weight:700;text-shadow:0 1px 2px rgba(0,0,0,.5)}.progress-bar-wrapper{display:flex;align-items:center;gap:12px}.progress-bar{flex:1;height:12px;background:var(--bg-surface);border-radius:6px;overflow:hidden}.progress-fill{height:100%;border-radius:6px;transition:width .5s ease}.progress-label{font-size:13px;color:var(--text-secondary);white-space:nowrap}.next-belt-info{display:flex;align-items:center;gap:12px;padding:14px 20px;background:var(--bg-card);border-radius:12px;margin-bottom:24px;border:1px solid var(--border);font-size:15px}.next-belt-info span:first-child{font-size:24px}.lessons-container{display:flex;flex-direction:column;gap:24px}.belt-section{transition:opacity .3s}.belt-section.locked{opacity:.5}.belt-section-header{display:flex;align-items:center;gap:12px;padding:12px 16px;margin-bottom:12px;background:var(--bg-card);border-radius:12px}.belt-section-emoji{font-size:24px}.belt-section-header h3{font-size:18px;margin-bottom:2px}.belt-section-title{font-size:13px;color:var(--text-secondary)}.lock-icon{margin-left:auto;font-size:18px}.lesson-cards{display:flex;flex-direction:column;gap:8px;padding-left:20px}.lesson-card{display:flex;align-items:center;gap:16px;padding:16px 20px;background:var(--bg-card);border-radius:12px;border:1px solid var(--border);transition:transform .15s,border-color .15s;color:var(--text-primary)}.lesson-card:hover:not(.locked){transform:translate(4px);border-color:var(--accent)}.lesson-card.completed{border-color:var(--success);background:#22c55e0d}.lesson-card.locked{opacity:.5;cursor:not-allowed}.lesson-card-number{width:40px;height:40px;display:flex;align-items:center;justify-content:center;background:var(--bg-surface);border-radius:10px;font-size:18px;font-weight:600;flex-shrink:0}.lesson-card.completed .lesson-card-number{background:#22c55e26}.lesson-card-info h4{font-size:16px;margin-bottom:4px}.lesson-card-info p{font-size:13px;color:var(--text-secondary)}.lesson-view{height:100vh;display:flex;flex-direction:column}.lesson-header{display:flex;align-items:center;padding:12px 20px;background:var(--bg-card);border-bottom:1px solid var(--border);gap:16px}.back-button{padding:6px 14px;background:var(--bg-surface);border-radius:8px;font-size:14px;color:var(--text-secondary);border:1px solid var(--border);white-space:nowrap}.back-button:hover{color:var(--text-primary);border-color:var(--accent)}.lesson-title-area{flex:1}.lesson-number{font-size:12px;color:var(--accent-light);text-transform:uppercase;letter-spacing:1px}.lesson-title-area h1{font-size:20px}.lesson-nav{display:flex;gap:8px}.nav-btn{padding:6px 14px;background:var(--bg-surface);border-radius:8px;font-size:13px;color:var(--text-secondary);border:1px solid var(--border)}.nav-btn:hover{border-color:var(--accent);color:var(--accent-light)}.nav-btn.next{background:var(--accent);color:#fff;border-color:var(--accent)}.lesson-content{display:flex;flex:1;overflow:hidden}.lesson-left{width:40%;min-width:300px;border-right:1px solid var(--border);overflow-y:auto}.instructions-panel{padding:24px}.instructions-content h1{font-size:24px;margin-bottom:16px;color:var(--accent-light)}.instructions-content h2{font-size:18px;margin-top:20px;margin-bottom:10px;color:var(--warning)}.instructions-content h3{font-size:16px;margin-top:16px;margin-bottom:8px}.instructions-content p,.instructions-content li{font-size:15px;line-height:1.6;color:var(--text-secondary)}.instructions-content li{margin-left:20px;margin-bottom:4px}.instructions-content strong{color:var(--text-primary)}.instructions-content pre{background:#1e1e3f;border-radius:10px;padding:16px;margin:12px 0;overflow-x:auto;border:1px solid var(--border)}.instructions-content code{font-family:JetBrains Mono,monospace;font-size:13px;color:#a78bfa}.instructions-content .inline-code{background:#7f5af026;padding:2px 6px;border-radius:4px}.lesson-right{flex:1;display:flex;flex-direction:column;overflow:hidden;padding:16px;gap:12px}.lesson-panels{flex:1;min-height:0;display:flex;flex-direction:column;gap:12px}.editor-panel{flex:1;min-height:0;background:var(--bg-card);border-radius:12px;border:1px solid var(--border);overflow:hidden;display:flex;flex-direction:column}.editor-toolbar{display:flex;align-items:center;justify-content:space-between;padding:8px 12px;background:var(--bg-surface);border-bottom:1px solid var(--border)}.editor-label{font-size:13px;color:var(--text-secondary);font-weight:500}.editor-actions{display:flex;gap:8px}.run-btn{background:var(--success);color:#fff;font-weight:600;padding:6px 18px}.run-btn:hover{background:#16a34a}.stop-btn{background:var(--bg-card);color:var(--text-secondary);border:1px solid var(--border);padding:6px 14px}.hint-btn{background:var(--bg-card);color:var(--warning);border:1px solid var(--border);padding:6px 14px}.code-editor .cm-editor{font-size:14px;font-family:JetBrains Mono,monospace}.code-editor .cm-editor .cm-content{font-family:JetBrains Mono,monospace}.hints-panel{background:#f59e0b1a;border:1px solid rgba(245,158,11,.3);border-radius:10px;padding:14px 18px}.hints-panel h4{margin-bottom:8px;font-size:14px;color:var(--warning)}.hint{font-size:14px;color:var(--text-secondary);margin-bottom:4px}.canvas-panel{flex:1;min-height:0;background:var(--bg-card);border-radius:12px;border:1px solid var(--border);overflow:hidden;display:flex;flex-direction:column}.canvas-toolbar{display:flex;align-items:center;justify-content:space-between;padding:8px 12px;background:var(--bg-surface);border-bottom:1px solid var(--border)}.canvas-label{font-size:13px;color:var(--text-secondary);font-weight:500}.complete-badge{font-size:13px;color:var(--success);font-weight:600}.game-canvas-wrapper{flex:1;min-height:0;display:flex;justify-content:center;align-items:center;padding:12px;background:#000}.game-canvas{border-radius:4px;background:#111;outline:none;max-width:100%}.output-message{padding:12px 18px;border-radius:10px;font-size:14px;font-weight:500}.output-message.success{background:#22c55e1a;color:var(--success);border:1px solid rgba(34,197,94,.3)}.output-message.complete{background:#22c55e26;color:var(--success);border:1px solid rgba(34,197,94,.4);font-size:16px}.output-message.error{background:#ef44441a;color:var(--danger);border:1px solid rgba(239,68,68,.3)}.output-message.info{background:#7f5af01a;color:var(--accent-light);border:1px solid rgba(127,90,240,.3)}.next-lesson-btn{display:block;text-align:center;padding:14px 24px;background:var(--accent);color:#fff;border-radius:12px;font-size:16px;font-weight:600;transition:transform .15s,box-shadow .15s}.next-lesson-btn:hover{transform:translateY(-2px);box-shadow:0 8px 20px #7f5af04d;color:#fff}.lesson-not-found{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100vh;gap:16px}.belt-ceremony-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000c;display:flex;align-items:center;justify-content:center;z-index:1000;animation:fadeIn .3s}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.belt-ceremony{background:var(--bg-card);border-radius:24px;padding:48px 40px;max-width:420px;width:90%;text-align:center;border:2px solid var(--accent);animation:popIn .5s cubic-bezier(.34,1.56,.64,1)}@keyframes popIn{0%{transform:scale(.5);opacity:0}to{transform:scale(1);opacity:1}}.ceremony-stars{font-size:32px;margin-bottom:12px;animation:pulse 1s infinite}.belt-ceremony h1{font-size:28px;color:var(--warning);margin-bottom:20px}.ceremony-belt{padding:24px;border-radius:16px;margin-bottom:20px}.ceremony-emoji{font-size:48px;display:block;margin-bottom:8px}.ceremony-belt h2{font-size:24px;margin-bottom:4px}.ceremony-belt p{font-size:16px;opacity:.8}.ceremony-description{font-size:16px;color:var(--text-secondary);margin-bottom:24px}.ceremony-button{padding:14px 32px;background:var(--accent);color:#fff;font-size:18px;font-weight:600;border-radius:12px}.ceremony-button:hover{background:#6d48d6}.admin-panel{max-width:1000px;margin:0 auto;padding:24px}.admin-header{display:flex;align-items:center;gap:20px;margin-bottom:32px}.admin-header h1{font-size:24px}.admin-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:32px}.stat-card{background:var(--bg-card);border-radius:12px;padding:20px;text-align:center;border:1px solid var(--border)}.stat-number{font-size:36px;font-weight:700;color:var(--accent-light)}.stat-label{font-size:13px;color:var(--text-secondary);margin-top:4px}.admin-section{margin-bottom:32px}.admin-section h2{font-size:20px;margin-bottom:16px}.admin-section-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;flex-wrap:wrap;gap:12px}.admin-section-header h2{margin-bottom:0}.track-tabs{display:flex;gap:8px}.track-tab{padding:6px 16px;border-radius:20px;border:2px solid var(--border);background:var(--bg-surface);color:var(--text-secondary);font-size:13px;font-weight:600;cursor:pointer;transition:all .2s}.track-tab:hover{border-color:var(--accent);color:var(--accent)}.track-tab.active{background:var(--accent);border-color:var(--accent);color:#fff}.admin-track-progress{display:flex;align-items:center;gap:8px}.mini-progress-label{font-size:12px;color:var(--text-secondary);white-space:nowrap}.students-table{overflow-x:auto}.students-table table{width:100%;border-collapse:collapse}.students-table th{text-align:left;padding:10px 14px;font-size:12px;text-transform:uppercase;letter-spacing:1px;color:var(--text-secondary);border-bottom:1px solid var(--border)}.students-table td{padding:12px 14px;font-size:14px;border-bottom:1px solid var(--border)}.student-cell{display:flex;align-items:center;gap:10px}.admin-avatar{width:32px;height:32px;border-radius:50%}.student-name{font-weight:500}.student-email{font-size:12px;color:var(--text-secondary)}.belt-badge{display:inline-block;padding:4px 10px;border-radius:6px;font-size:12px;font-weight:500;white-space:nowrap}.mini-progress{width:100px;height:8px;background:var(--bg-surface);border-radius:4px;overflow:hidden}.mini-progress-fill{height:100%;border-radius:4px;transition:width .3s}.no-data{text-align:center;color:var(--text-secondary);padding:40px 0!important}.lesson-stats{display:flex;flex-direction:column;gap:8px}.lesson-stat-row{display:flex;align-items:center;gap:16px;padding:8px 14px;background:var(--bg-card);border-radius:8px}.lesson-stat-info{width:200px;display:flex;align-items:center;gap:10px;flex-shrink:0}.lesson-stat-num{font-size:13px;color:var(--text-secondary);width:30px}.lesson-stat-title{font-size:14px;font-weight:500}.lesson-stat-bar-wrapper{flex:1;display:flex;align-items:center;gap:12px}.lesson-stat-bar{flex:1;height:10px;background:var(--bg-surface);border-radius:5px;overflow:hidden}.lesson-stat-fill{height:100%;background:var(--accent);border-radius:5px;transition:width .3s}.lesson-stat-rate{font-size:13px;color:var(--text-secondary);width:70px;text-align:right}.admin-loading{display:flex;align-items:center;justify-content:center;height:100vh}@media(max-width:768px){.lesson-content{flex-direction:column}.lesson-left{width:100%;min-width:unset;max-height:40vh;border-right:none;border-bottom:1px solid var(--border)}.admin-stats{grid-template-columns:repeat(2,1fr)}.lesson-stat-info{width:140px}.login-features{grid-template-columns:1fr}.header-right{gap:8px}.user-name{display:none}}