@import "https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:wght@400;500&family=DM+Sans:wght@300;400;500;600&display=swap";
:root{--bg:#0e0e11;--surface:#16161a;--surface2:#1e1e24;--surface3:#26262e;--border:#2e2e38;--border2:#3a3a48;--text:#e8e8f0;--text2:#9090a8;--text3:#5a5a70;--p1:#7c6cf5;--p1l:#a59af8;--p1bg:#1a1830;--p2:#22c98e;--p2l:#5ddbb0;--p2bg:#0f2620;--p3:#f5a623;--p3l:#f8c06a;--p3bg:#281d08;--p4:#3b9eff;--p4l:#7bbdff;--p4bg:#0d1e33;--p5:#6bc44a;--p5l:#96d478;--p5bg:#14200d;--green:#22c98e;--red:#f0506a;--amber:#f5a623;--radius:10px;--radius-lg:16px}*{box-sizing:border-box;margin:0;padding:0}html,body{height:100%}body{background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;min-height:100vh;font-family:DM Sans,sans-serif;font-size:15px}a{color:inherit;text-decoration:none}.auth-page{justify-content:center;align-items:center;min-height:100vh;padding:24px;display:flex}.auth-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);width:100%;max-width:400px;padding:36px}.auth-logo{color:var(--text2);letter-spacing:.05em;text-transform:uppercase;margin-bottom:28px;font-family:IBM Plex Mono,monospace;font-size:13px;font-weight:500}.auth-logo span{color:var(--p1l)}.auth-title{color:var(--text);margin-bottom:6px;font-size:20px;font-weight:600}.auth-subtitle{color:var(--text2);margin-bottom:28px;font-size:13px;line-height:1.5}.auth-field{margin-bottom:16px}.auth-field label{color:var(--text2);letter-spacing:.03em;text-transform:uppercase;margin-bottom:6px;font-size:12px;font-weight:500;display:block}.auth-field input{background:var(--surface2);border:1px solid var(--border);border-radius:var(--radius);width:100%;color:var(--text);padding:10px 14px;font-family:DM Sans,sans-serif;font-size:14px;transition:border-color .15s}.auth-field input:focus{border-color:var(--p1);outline:none}.auth-field input::placeholder{color:var(--text3)}.auth-btn{background:var(--p1bg);border:1px solid var(--p1);border-radius:var(--radius);width:100%;color:var(--p1l);cursor:pointer;margin-top:8px;padding:12px;font-family:DM Sans,sans-serif;font-size:14px;font-weight:600;transition:all .15s}.auth-btn:hover{background:#7c6cf533}.auth-btn:disabled{opacity:.5;cursor:default}.auth-error{border:1px solid var(--red);border-radius:var(--radius);color:var(--red);background:#f0506a14;margin-bottom:16px;padding:12px 14px;font-size:13px}.auth-link{color:var(--text2);text-align:center;margin-top:20px;font-size:13px}.auth-link a{color:var(--p1l)}.auth-link a:hover{text-decoration:underline}.app{min-height:100vh;display:flex}.sidebar{background:var(--surface);border-right:1px solid var(--border);flex-direction:column;width:260px;min-width:260px;height:100vh;display:flex;position:sticky;top:0;overflow-y:auto}.sidebar-logo{border-bottom:1px solid var(--border);padding:20px 20px 16px}.sidebar-logo h1{color:var(--text2);letter-spacing:.05em;text-transform:uppercase;font-family:IBM Plex Mono,monospace;font-size:13px;font-weight:500}.sidebar-logo span{color:var(--p1l)}.sidebar-user{border-bottom:1px solid var(--border);color:var(--text3);justify-content:space-between;align-items:center;gap:8px;padding:10px 20px;font-size:12px;display:flex}.sidebar-user span{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.signout-btn{color:var(--text3);cursor:pointer;white-space:nowrap;background:0 0;border:none;border-radius:4px;flex-shrink:0;padding:2px 6px;font-family:IBM Plex Mono,monospace;font-size:11px;transition:color .15s}.signout-btn:hover{color:var(--red)}.phase-nav{flex:1;padding:12px 0}.phase-group{margin-bottom:4px}.phase-header-btn{cursor:pointer;text-align:left;width:100%;color:var(--text2);background:0 0;border:none;align-items:center;gap:10px;padding:9px 20px;font-family:DM Sans,sans-serif;font-size:13px;font-weight:500;transition:color .15s;display:flex}.phase-header-btn:hover,.phase-header-btn.active{color:var(--text)}.phase-dot{border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:22px;height:22px;font-size:11px;font-weight:600;display:flex}.week-items{display:none}.phase-group.open .week-items{display:block}.week-group-header{cursor:pointer;text-align:left;width:100%;color:var(--text3);background:0 0;border:none;align-items:center;gap:6px;padding:5px 20px 5px 42px;font-family:DM Sans,sans-serif;font-size:12px;line-height:1.4;transition:color .15s;display:flex}.week-group-header:hover:not(.locked),.week-group-header.active{color:var(--text2)}.week-group-header.locked{opacity:.45;cursor:default}.week-toggle{flex-shrink:0;width:10px;font-size:10px}.lock-icon{margin-left:auto;font-size:10px}.day-items{display:none}.week-group.open .day-items{display:block}.day-btn{cursor:pointer;text-align:left;width:100%;color:var(--text3);background:0 0;border:none;align-items:flex-start;gap:6px;padding:4px 16px 4px 58px;font-family:DM Sans,sans-serif;font-size:11px;line-height:1.4;transition:color .15s;display:flex}.day-btn:hover:not(.locked){color:var(--text2)}.day-btn.active{color:var(--text);font-weight:500}.day-btn.done{color:var(--p2);opacity:.8}.day-btn.locked{opacity:.35;cursor:not-allowed}.sidebar-bottom{border-top:1px solid var(--border);padding:12px 20px}.api-key-btn{background:var(--surface2);border:1px solid var(--border);border-radius:var(--radius);width:100%;color:var(--text3);cursor:pointer;align-items:center;gap:8px;margin-bottom:12px;padding:8px 12px;font-family:DM Sans,sans-serif;font-size:12px;transition:color .15s;display:flex}.api-key-btn:hover{color:var(--text2)}.sp-label{color:var(--text3);justify-content:space-between;margin-bottom:8px;font-size:11px;display:flex}.sp-bar{background:var(--border);border-radius:2px;height:3px}.sp-fill{background:var(--p1l);border-radius:2px;height:3px;transition:width .4s}.main{flex:1;overflow-y:auto}.content{max-width:800px;margin:0 auto;padding:40px 48px}.day-header{align-items:flex-start;gap:16px;margin-bottom:32px;display:flex}.day-number{letter-spacing:.05em;border-radius:6px;flex-shrink:0;margin-top:4px;padding:6px 10px;font-family:IBM Plex Mono,monospace;font-size:11px;font-weight:500}.day-meta h2{color:var(--text);font-size:22px;font-weight:600;line-height:1.3}.day-meta p{color:var(--text2);margin-top:6px;font-size:14px;line-height:1.6}.section-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);margin-bottom:20px;overflow:hidden}.section-card-header{border-bottom:1px solid var(--border);align-items:center;gap:12px;padding:16px 20px;display:flex}.section-icon{border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;width:32px;height:32px;font-size:14px;display:flex}.section-card-header h3{color:var(--text);font-size:15px;font-weight:600}.section-card-header p{color:var(--text2);margin-top:2px;font-size:12px}.section-card-body{padding:20px}.read-item{border-bottom:1px solid var(--border);gap:12px;padding:12px 0;display:flex}.read-item:last-child{border-bottom:none}.read-bullet{background:var(--text3);border-radius:50%;flex-shrink:0;width:6px;height:6px;margin-top:6px}.read-item p{color:var(--text2);font-size:13px;line-height:1.6}.read-item p strong{color:var(--text);font-weight:500}.read-link{color:var(--p1l);margin-top:6px;font-family:IBM Plex Mono,monospace;font-size:12px;text-decoration:none;display:inline-block}.read-link:hover{text-decoration:underline}.activity-steps{flex-direction:column;gap:12px;display:flex}.activity-step{background:var(--surface2);border-radius:var(--radius);border:1px solid var(--border);gap:14px;padding:14px;display:flex}.step-num{border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:24px;height:24px;font-size:11px;font-weight:600;display:flex}.step-content h4{color:var(--text);margin-bottom:4px;font-size:13px;font-weight:500}.step-content p{color:var(--text2);font-size:13px;line-height:1.5}.show-code-btn{background:var(--surface3);border:1px solid var(--border2);color:var(--text3);cursor:pointer;border-radius:6px;align-items:center;gap:5px;margin-top:8px;padding:4px 10px;font-family:IBM Plex Mono,monospace;font-size:11px;transition:all .15s;display:inline-flex}.show-code-btn:hover{color:var(--text2);border-color:var(--border)}.complete-steps-btn{background:var(--surface2);border:1px solid var(--border2);border-radius:var(--radius);color:var(--text2);cursor:pointer;padding:9px 18px;font-family:DM Sans,sans-serif;font-size:13px;font-weight:500;transition:all .15s}.complete-steps-btn:hover:not(:disabled){border-color:var(--green);color:var(--green)}.complete-steps-btn.done{border-color:var(--green);color:var(--green);opacity:.7;cursor:default}.complete-steps-btn:disabled{cursor:default}.code-block{background:var(--surface3);border:1px solid var(--border);color:var(--p2l);white-space:pre;border-radius:6px;margin-top:8px;padding:10px 14px;font-family:IBM Plex Mono,monospace;font-size:12px;line-height:1.6;overflow-x:auto}.quiz-q{color:var(--text);margin-bottom:14px;font-size:14px;font-weight:500;line-height:1.5}.quiz-options{flex-direction:column;gap:8px;display:flex}.quiz-opt{background:var(--surface2);border:1px solid var(--border);border-radius:var(--radius);cursor:pointer;color:var(--text2);text-align:left;width:100%;padding:12px 16px;font-size:13px;line-height:1.5;transition:all .15s}.quiz-opt:hover:not(:disabled){border-color:var(--border2);color:var(--text)}.quiz-opt.selected{border-color:var(--p1l);color:var(--text);background:var(--p1bg)}.quiz-opt.correct{border-color:var(--green);color:var(--green);background:#22c98e14}.quiz-opt.wrong{border-color:var(--red);color:var(--red);background:#f0506a14}.quiz-opt:disabled{cursor:default}.quiz-submit{border:1px solid var(--border2);border-radius:var(--radius);color:var(--text);cursor:pointer;background:0 0;margin-top:14px;padding:10px 20px;font-family:DM Sans,sans-serif;font-size:13px;font-weight:500;transition:all .15s}.quiz-submit:hover{background:var(--surface2)}.quiz-submit:disabled{opacity:.4;cursor:default}.quiz-feedback{border-radius:var(--radius);margin-top:12px;padding:14px 16px;font-size:13px;line-height:1.6;display:none}.quiz-feedback.show{display:block}.quiz-feedback.pass{border:1px solid var(--green);color:var(--green);background:#22c98e14}.quiz-feedback.fail{border:1px solid var(--red);color:var(--red);background:#f0506a14}.quiz-nav{align-items:center;gap:10px;margin-top:16px;display:flex}.qnav-btn{border:1px solid var(--border2);border-radius:var(--radius);color:var(--text2);cursor:pointer;background:0 0;padding:8px 16px;font-family:DM Sans,sans-serif;font-size:12px;transition:all .15s}.qnav-btn:hover{border-color:var(--border);color:var(--text)}.quiz-counter{color:var(--text3);font-family:IBM Plex Mono,monospace;font-size:12px}.ai-check-area{flex-direction:column;gap:10px;display:flex}.ai-prompt{color:var(--text2);margin-bottom:8px;font-size:13px;line-height:1.6}.ai-input{background:var(--surface2);border:1px solid var(--border);border-radius:var(--radius);width:100%;min-height:80px;color:var(--text);resize:vertical;padding:12px 14px;font-family:DM Sans,sans-serif;font-size:13px;line-height:1.5;transition:border-color .15s}.ai-input:focus{border-color:var(--border2);outline:none}.ai-submit{background:var(--p1bg);border:1px solid var(--p1);border-radius:var(--radius);color:var(--p1l);cursor:pointer;align-self:flex-start;align-items:center;gap:8px;padding:10px 20px;font-family:DM Sans,sans-serif;font-size:13px;font-weight:500;transition:all .15s;display:flex}.ai-submit:hover{background:#7c6cf526}.ai-submit:disabled{opacity:.5;cursor:default}.ai-response{background:var(--surface2);border:1px solid var(--border);border-radius:var(--radius);color:var(--text2);white-space:pre-wrap;padding:16px;font-size:13px;line-height:1.7;display:none}.ai-response.show{display:block}.ai-score{border-radius:20px;align-items:center;gap:6px;margin-bottom:8px;padding:4px 10px;font-family:IBM Plex Mono,monospace;font-size:12px;font-weight:600;display:inline-flex}.score-pass{color:var(--green);border:1px solid var(--green);background:#22c98e1f}.score-partial{color:var(--amber);border:1px solid var(--amber);background:#f5a6231f}.score-fail{color:var(--red);border:1px solid var(--red);background:#f0506a1f}.day-nav{border-top:1px solid var(--border);justify-content:space-between;align-items:center;margin-top:32px;padding-top:24px;display:flex}.nav-btn{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);color:var(--text2);cursor:pointer;align-items:center;gap:8px;padding:10px 18px;font-family:DM Sans,sans-serif;font-size:13px;transition:all .15s;display:flex}.nav-btn:hover{border-color:var(--border2);color:var(--text)}.nav-btn.next{background:var(--p1bg);border-color:var(--p1);color:var(--p1l)}.nav-btn.next:hover{background:#7c6cf533}.nav-btn:disabled{opacity:.4;cursor:default}.day-complete{border:1px solid var(--green);border-radius:var(--radius);color:var(--green);background:#22c98e14;align-items:center;gap:10px;margin-top:16px;padding:14px 18px;font-size:13px;font-weight:500;display:none}.day-complete.show{display:flex}.loading-dots span{background:currentColor;border-radius:50%;width:4px;height:4px;margin:0 2px;animation:1.2s infinite dot-bounce;display:inline-block}.loading-dots span:nth-child(2){animation-delay:.2s}.loading-dots span:nth-child(3){animation-delay:.4s}@keyframes dot-bounce{0%,80%,to{opacity:.4;transform:translateY(0)}40%{opacity:1;transform:translateY(-4px)}}.modal-overlay{z-index:9999;background:#000000bf;justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;inset:0}.modal-box{background:var(--surface);border:1px solid var(--border2);border-radius:var(--radius-lg);width:100%;max-width:480px;padding:28px}.modal-box h3{color:var(--text);margin-bottom:8px;font-size:16px;font-weight:600}.modal-box p{color:var(--text2);margin-bottom:6px;font-size:13px;line-height:1.6}.modal-box .note{color:var(--text3);margin-bottom:16px;font-size:12px}.modal-box .note a{color:var(--p1l)}.modal-input{background:var(--surface2);border:1px solid var(--border);border-radius:var(--radius);width:100%;color:var(--text);margin-bottom:8px;padding:10px 14px;font-family:IBM Plex Mono,monospace;font-size:13px;transition:border-color .15s}.modal-input:focus{border-color:var(--p1);outline:none}.modal-error{color:var(--red);margin-bottom:12px;font-size:12px;display:none}.modal-error.show{display:block}.modal-actions{justify-content:flex-end;gap:10px;margin-top:4px;display:flex}.modal-cancel{border:1px solid var(--border2);border-radius:var(--radius);color:var(--text2);cursor:pointer;background:0 0;padding:8px 16px;font-family:DM Sans,sans-serif;font-size:13px}.modal-save{background:var(--p1bg);border:1px solid var(--p1);border-radius:var(--radius);color:var(--p1l);cursor:pointer;padding:8px 16px;font-family:DM Sans,sans-serif;font-size:13px;font-weight:500}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}@media (max-width:700px){.sidebar{display:none}.content{padding:24px 20px}}