@import "https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&display=swap";*{box-sizing:border-box;margin:0;padding:0}:root{--bg:#fafaf5;--card-bg:#fff;--text:#111;--text-secondary:#555;--border:#111;--border-width:3px;--shadow:5px 5px 0 #111;--accent:#ffe800;--accent-hover:#ffd000;--accent-fg:#111;--coral:#ff5e5b;--coral-hover:#ff3b37;--green:#00c853;--red:#ff0040;--radius:2px;--radius-sm:2px;--font-display:"Space Grotesk", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--font-body:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--font-mono:"SF Mono", "Fira Code", "Fira Mono", "Roboto Mono", monospace}html{font-size:16px}body{font-family:var(--font-body);background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;min-height:100vh}h1,h2,h3,h4{font-family:var(--font-display);letter-spacing:-.02em;font-weight:700}button,.btn-advance,.btn-confirm-advance,.chat-send-btn{font-family:var(--font-display);border:var(--border-width) solid var(--border);cursor:pointer;text-transform:uppercase;letter-spacing:.03em;padding:12px 24px;font-size:15px;font-weight:700;transition:transform .1s,box-shadow .1s;position:relative}button:active,.btn-advance:active{transform:translate(2px,2px);box-shadow:2px 2px 0 var(--border)!important}button:disabled{opacity:.5;cursor:not-allowed;transform:none!important}button.btn-primary,.btn-advance,.btn-confirm-advance,.chat-send-btn{background:var(--accent);color:var(--accent-fg);box-shadow:var(--shadow)}button.btn-primary:hover,.btn-advance:hover,.btn-confirm-advance:hover,.chat-send-btn:hover{background:var(--accent-hover)}.btn-logout,.btn-confirm-cancel{background:var(--card-bg);color:var(--text);box-shadow:var(--shadow);border:var(--border-width) solid var(--border);width:auto}.btn-logout:hover,.btn-confirm-cancel:hover{background:#f0f0e8}.btn-reset{background:var(--coral);color:#fff;box-shadow:var(--shadow);width:auto}.btn-reset:hover{background:var(--coral-hover)}.form-group{margin-bottom:20px}.form-group label{font-family:var(--font-display);color:var(--text);text-transform:uppercase;letter-spacing:.08em;margin-bottom:6px;font-size:12px;font-weight:700;display:block}.form-group input,.chat-input{width:100%;font-size:16px;font-family:var(--font-body);border:var(--border-width) solid var(--border);background:var(--card-bg);color:var(--text);outline:none;padding:14px 16px;transition:box-shadow .15s}.form-group input:focus,.chat-input:focus{box-shadow:4px 4px 0 var(--accent)}.chat-input:disabled{opacity:.7;background:#f0f0e8}.register-page{background:linear-gradient(45deg, var(--accent) 25%, transparent 25%), linear-gradient(-45deg, var(--accent) 25%, transparent 25%), linear-gradient(45deg, transparent 75%, var(--accent) 75%), linear-gradient(-45deg, transparent 75%, var(--accent) 75%);background-position:0 0,0 10px,10px -10px,-10px 0;background-size:20px 20px;justify-content:center;align-items:center;min-height:100vh;padding:20px;display:flex}.register-card{background:var(--card-bg);border:var(--border-width) solid var(--border);box-shadow:8px 8px 0 var(--border);width:100%;max-width:460px;padding:48px}.register-card h1{font-family:var(--font-display);letter-spacing:-.03em;margin-bottom:8px;font-size:36px;font-weight:800;line-height:1.1}.subtitle{color:var(--text-secondary);margin-bottom:28px;font-size:15px;line-height:1.5}.message{border:var(--border-width) solid var(--border);text-align:center;color:var(--text);font-size:14px;font-family:var(--font-display);background:#fff9c4;margin-top:20px;padding:14px;font-weight:500}.course-page{flex-direction:column;min-height:100vh;display:flex}.course-header{background:var(--card-bg);border-bottom:var(--border-width) solid var(--border);justify-content:space-between;align-items:center;padding:16px 28px;display:flex}.course-header h1{letter-spacing:-.02em;font-size:20px;font-weight:800}.header-left,.header-right{align-items:center;gap:16px;display:flex}.stage-badge-header{font-family:var(--font-display);color:var(--text);background:var(--accent);border:2px solid var(--border);text-transform:uppercase;letter-spacing:.05em;padding:6px 14px;font-size:12px;font-weight:700;display:inline-block}.user-email{color:var(--text-secondary);font-size:13px;font-family:var(--font-mono)}.course-layout{flex:1;min-height:0;display:flex}.course-main{background:var(--bg);flex:1;justify-content:center;padding:32px;display:flex;overflow-y:auto}.course-content{flex-direction:column;gap:24px;width:100%;max-width:680px;display:flex}.course-chat-sidebar{border-left:var(--border-width) solid var(--border);background:var(--card-bg);flex-direction:column;width:440px;min-width:360px;display:flex}.loading-placeholder{justify-content:center;padding:80px;display:flex}.role-panel{background:var(--card-bg);border:var(--border-width) solid var(--border);box-shadow:var(--shadow);grid-template-columns:1fr 1fr;gap:0;display:grid}.role-column-header{font-family:var(--font-display);text-transform:uppercase;letter-spacing:.06em;color:var(--text);border-bottom:2px solid var(--border);align-items:center;gap:8px;margin-bottom:12px;padding-bottom:10px;font-size:13px;font-weight:700;display:flex}.role-icon{font-size:20px}.role-panel>div{padding:20px}.role-panel>div:first-child{border-right:var(--border-width) solid var(--border)}.role-task-list{flex-direction:column;gap:8px;margin:0;padding:0;list-style:none;display:flex}.role-task{color:var(--text);align-items:flex-start;gap:10px;padding-left:0;font-size:14px;line-height:1.5;display:flex}.role-task:before{content:"▸";color:var(--coral);flex-shrink:0;font-size:16px;font-weight:700}.narrative-prose{background:var(--card-bg);border:var(--border-width) solid var(--border);box-shadow:var(--shadow);padding:28px;position:relative}.narrative-prose:before{content:"";background:var(--accent);border-right:2px solid var(--border);width:8px;position:absolute;top:0;bottom:0;left:0}.narrative-content{color:var(--text);font-size:15px;line-height:1.75;font-family:var(--font-body)}.narrative-content h2{font-family:var(--font-display);letter-spacing:-.02em;text-transform:uppercase;margin-bottom:14px;font-size:22px;font-weight:800}.narrative-content strong{font-weight:700}.narrative-content br{content:"";margin-top:10px;display:block}.contextual-panel{background:var(--card-bg);border:var(--border-width) solid var(--border);box-shadow:var(--shadow);padding:24px}.contextual-panel-empty{display:none}.contextual-panel-item{border-bottom:1px solid #e0e0d8;padding:12px 0}.contextual-panel-item:last-child{border-bottom:none}.contextual-panel-item h4{font-family:var(--font-display);margin-bottom:6px;font-size:16px;font-weight:700}.contextual-panel-item p{color:var(--text-secondary);font-size:14px;line-height:1.5}.stage-progression{background:var(--card-bg);border:var(--border-width) solid var(--border);box-shadow:var(--shadow);padding:24px}.stage-progress-header{margin-bottom:20px}.stage-progress-label{font-family:var(--font-display);text-transform:uppercase;letter-spacing:.05em;margin-bottom:10px;font-size:15px;font-weight:700}.stage-progress-bar{border:2px solid var(--border);background:#e0e0d8;width:100%;height:12px}.stage-progress-fill{background:var(--accent);border-right:2px solid var(--border);height:100%;transition:width .3s}.stage-advance-area{flex-direction:column;gap:10px;display:flex}.btn-advance+.btn-advance{background:var(--card-bg);color:var(--text)}.stage-confirm-overlay{z-index:100;background:#0009;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.stage-confirm-dialog{background:var(--card-bg);border:var(--border-width) solid var(--border);box-shadow:10px 10px 0 var(--border);width:90%;max-width:440px;padding:32px}.stage-confirm-dialog p{font-family:var(--font-display);margin-bottom:8px;font-size:16px;font-weight:600;line-height:1.5}.stage-confirm-hint{color:var(--text-secondary)!important;margin-bottom:24px!important;font-size:14px!important;font-weight:400!important}.stage-confirm-actions{gap:12px;display:flex}.stage-final-badge{text-align:center;font-family:var(--font-display);color:var(--green);border:2px solid var(--green);text-transform:uppercase;letter-spacing:.05em;background:#00c8531a;padding:10px;font-size:14px;font-weight:700}.chat-panel{flex-direction:column;height:100%;display:flex}.chat-header{border-bottom:var(--border-width) solid var(--border);background:var(--card-bg);justify-content:space-between;align-items:center;padding:16px 20px;display:flex}.chat-header h3{font-family:var(--font-display);text-transform:uppercase;letter-spacing:.04em;font-size:15px;font-weight:800}.chat-status{font-family:var(--font-mono);color:var(--green);text-transform:uppercase;font-size:11px;font-weight:700}.chat-messages{background:repeating-linear-gradient(0deg,#0000,#0000 39px,#00000008 39px 40px);flex-direction:column;flex:1;gap:16px;padding:20px;display:flex;overflow-y:auto}.chat-bubble{border:var(--border-width) solid var(--border);max-width:88%;font-size:15px;line-height:1.6;font-family:var(--font-body);word-wrap:break-word;overflow-wrap:break-word;padding:14px 18px;position:relative}.chat-bubble-user{background:var(--accent);color:var(--text);box-shadow:4px 4px 0 var(--border);align-self:flex-end}.chat-bubble-assistant{color:var(--text);background:#fffdf5;border-color:#333;align-self:flex-start;box-shadow:4px 4px #00000026}.chat-bubble-assistant:after{border-right-color:#fffdf5}.chat-bubble-user:after{content:"";border-left:10px solid var(--accent);border-top:8px solid #0000;border-bottom:8px solid #0000;width:0;height:0;position:absolute;bottom:8px;right:-10px}.chat-bubble-assistant:after{content:"";border-right:10px solid var(--card-bg);border-top:8px solid #0000;border-bottom:8px solid #0000;width:0;height:0;position:absolute;bottom:8px;left:-10px}.chat-bubble-label{font-family:var(--font-display);text-transform:uppercase;letter-spacing:.08em;margin-bottom:6px;font-size:11px;font-weight:700}.chat-bubble-user .chat-bubble-label{color:#00000080}.chat-bubble-assistant .chat-bubble-label{color:var(--text-secondary)}.chat-bubble-content{word-wrap:break-word;overflow-wrap:break-word}.markdown-body{line-height:1.7}.markdown-body h1{font-family:var(--font-display);letter-spacing:-.02em;text-transform:uppercase;margin:16px 0 8px;font-size:22px;font-weight:800;line-height:1.2}.markdown-body h2{font-family:var(--font-display);border-bottom:2px solid var(--border);text-transform:uppercase;margin:14px 0 8px;padding-bottom:6px;font-size:18px;font-weight:700;line-height:1.25}.markdown-body h3{font-family:var(--font-display);margin:10px 0 6px;font-size:15px;font-weight:700;line-height:1.3}.markdown-body p{margin:8px 0}.markdown-body p:first-child{margin-top:0}.markdown-body p:last-child{margin-bottom:0}.markdown-body strong{color:var(--text);font-weight:700}.markdown-body em{font-style:italic}.markdown-body ul{margin:8px 0;padding-left:20px}.markdown-body li{margin:4px 0;line-height:1.5}.markdown-body code{font-family:var(--font-mono);background:#0000000f;border:1px solid #0000001f;padding:2px 6px;font-size:13px}.markdown-body pre{border:2px solid var(--border);font-family:var(--font-mono);background:#f5f5f0;margin:10px 0;padding:14px;font-size:13px;line-height:1.5;overflow-x:auto}.markdown-body pre code{font-size:inherit;background:0 0;border:none;padding:0}.chat-bubble .markdown-body{font-size:14px;line-height:1.55}.chat-bubble .markdown-body h1{margin:8px 0 6px;font-size:17px}.chat-bubble .markdown-body h2{border-bottom-width:1px;margin:8px 0 6px;padding-bottom:4px;font-size:15px}.chat-bubble .markdown-body h3{margin:6px 0 4px;font-size:14px}.chat-bubble .markdown-body p{margin:4px 0}.chat-bubble .markdown-body ul{margin:4px 0;padding-left:18px}.chat-bubble .markdown-body li{margin:2px 0}.chat-bubble .markdown-body pre{margin:6px 0;padding:10px;font-size:12px}.chat-bubble .markdown-body code{font-size:12px}.chat-error{font-family:var(--font-display);color:var(--red);border:2px solid var(--red);text-align:center;background:#fff0f0;padding:12px 16px;font-size:13px;font-weight:600}.chat-input-area{border-top:var(--border-width) solid var(--border);background:var(--card-bg);gap:10px;padding:16px 20px;display:flex}.spinner{border:4px solid var(--border);border-top-color:var(--accent);width:40px;height:40px;animation:.6s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.typing-indicator{align-items:center;gap:5px;padding:4px 0;display:flex}.typing-dot{background:var(--text);border:2px solid var(--border);width:10px;height:10px;animation:1.4s ease-in-out infinite typing-bounce}.typing-dot:first-child{animation-delay:0s}.typing-dot:nth-child(2){animation-delay:.2s}.typing-dot:nth-child(3){animation-delay:.4s}@keyframes typing-bounce{0%,60%,to{opacity:.3;transform:translateY(0)}30%{opacity:1;transform:translateY(-5px)}}.mascot{background:var(--card-bg);border:var(--border-width) solid var(--border);box-shadow:var(--shadow);align-items:center;gap:16px;padding:20px 24px;display:flex}.mascot svg{flex-shrink:0;width:64px;height:64px}.mascot-speech{font-family:var(--font-display);font-size:15px;font-weight:600;line-height:1.4}.code-editor-panel{background:var(--card-bg);border:var(--border-width) solid var(--border);box-shadow:var(--shadow)}.code-editor-panel h4{font-family:var(--font-display);text-transform:uppercase;letter-spacing:.06em;border-bottom:var(--border-width) solid var(--border);background:#f5f5f0;padding:14px 20px;font-size:14px;font-weight:700}.code-editor-welcome{text-align:center;color:var(--text-secondary);font-family:var(--font-body);padding:40px}.proposed-changes-panel,.test-output-panel{background:var(--card-bg);border:var(--border-width) solid var(--border);box-shadow:var(--shadow);margin-top:16px}@media (width<=900px){.course-layout{flex-direction:column}.course-chat-sidebar{border-left:none;border-top:var(--border-width) solid var(--border);background:#f8f8f2;width:100%;min-width:0;min-height:40vh;max-height:60vh}.chat-bubble{max-width:92%;padding:12px 14px}.chat-bubble-assistant{background:#fffdf5;border-width:2px;border-color:#333}.role-panel{grid-template-columns:1fr}.role-panel>div:first-child{border-right:none;border-bottom:var(--border-width) solid var(--border)}.register-card{padding:32px 24px}.register-card h1{font-size:28px}}@media (width<=600px){.course-header{flex-direction:column;gap:12px;padding:12px 16px}.course-main{padding:16px}}