*,:before,:after{box-sizing:border-box;margin:0;padding:0}:root{--bg:#0f1117;--bg-surface:#1a1d27;--bg-surface2:#21253a;--border:#2e3350;--border-light:#3a4060;--accent:#5c6ef8;--accent-hover:#7080ff;--accent-light:#5c6ef81f;--green:#3ecf8e;--green-light:#3ecf8e1f;--red:#f87171;--red-light:#f871711f;--amber:#fbbf24;--amber-light:#fbbf241f;--blue:#60a5fa;--blue-light:#60a5fa1f;--text-primary:#e8eaf6;--text-secondary:#8891b3;--text-muted:#555f8a;--font-mono:"JetBrains Mono", "Fira Code", "Cascadia Code", monospace;--radius:10px;--radius-sm:6px}html,body,#root{height:100%}body{background:var(--bg);color:var(--text-primary);font-family:Inter,system-ui,-apple-system,sans-serif;font-size:14px;line-height:1.6}.app{flex-direction:column;height:100vh;display:flex;overflow:hidden}.header{background:var(--bg-surface);border-bottom:1px solid var(--border);flex-shrink:0;justify-content:space-between;align-items:center;gap:16px;padding:12px 24px;display:flex}.header-title{align-items:center;gap:10px;display:flex}.header-logo{font-size:20px}.header-title h1{letter-spacing:-.3px;color:var(--text-primary);font-size:18px;font-weight:700}.header-controls{align-items:center;gap:10px;display:flex}.input-field{background:var(--bg-surface2);border:1px solid var(--border);border-radius:var(--radius-sm);height:38px;color:var(--text-primary);outline:none;padding:0 12px;font-size:13px;transition:border-color .15s,box-shadow .15s}.input-field:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-light)}.input-field::placeholder{color:var(--text-muted)}.token-input{width:220px}.login-input{width:160px}.auth-form{align-items:center;gap:10px;display:flex}.auth-status{background:var(--green-light);border-radius:var(--radius-sm);height:38px;color:var(--green);white-space:nowrap;border:1px solid #3ecf8e40;align-items:center;gap:8px;padding:0 12px;font-size:13px;font-weight:600;display:inline-flex}.auth-dot{background:var(--green);border-radius:50%;flex-shrink:0;width:8px;height:8px}.btn-login{background:var(--accent);color:#fff}.btn-login:not(:disabled):hover{background:var(--accent-hover)}.btn-logout{background:var(--bg-surface2);color:var(--text-secondary);border:1px solid var(--border)}.btn-logout:not(:disabled):hover{color:var(--text-primary);border-color:var(--border-light)}.session-input{width:120px}.session-input::-webkit-outer-spin-button{-webkit-appearance:none}.session-input::-webkit-inner-spin-button{-webkit-appearance:none}.session-input[type=number]{-moz-appearance:textfield}.btn{border-radius:var(--radius-sm);cursor:pointer;white-space:nowrap;border:none;justify-content:center;align-items:center;gap:7px;height:38px;padding:0 18px;font-size:13px;font-weight:600;transition:background .15s,opacity .15s,transform 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var(--border);background:var(--bg)}.block-right{background:var(--bg-surface)}.block-header{flex-shrink:0;align-items:center;gap:10px;margin-bottom:14px;display:flex}.block-title{color:var(--text-primary);letter-spacing:-.2px;font-size:15px;font-weight:700}.block-badge{text-transform:uppercase;letter-spacing:.6px;border-radius:20px;padding:2px 8px;font-size:11px;font-weight:600}.block-badge.editable{background:var(--accent-light);color:var(--accent-hover);border:1px solid #5c6ef840}.block-badge.readonly{background:var(--green-light);color:var(--green);border:1px solid #3ecf8e40}.session-meta{flex-wrap:wrap;flex-shrink:0;gap:10px;margin-bottom:14px;display:flex}.meta-chip{background:var(--bg-surface2);border:1px solid var(--border);border-radius:20px;align-items:center;gap:6px;padding:4px 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var(--accent-light)}.prompt-textarea::placeholder{color:var(--text-muted);font-family:Inter,system-ui,sans-serif}.prompt-textarea.readonly{cursor:default;color:var(--text-secondary)}.prompt-textarea.readonly:focus{border-color:var(--border-light);box-shadow:none}.prompt-textarea:disabled{opacity:.45}.block-footer{flex-shrink:0;margin-top:14px}.result-box{border-radius:var(--radius);flex-shrink:0;max-height:260px;margin-top:14px;padding:14px 16px;overflow-y:auto}.result-ok{background:var(--green-light);border:1px solid #3ecf8e40}.result-error{background:var(--red-light);border:1px solid #f8717140}.result-label{text-transform:uppercase;letter-spacing:.6px;color:var(--text-secondary);margin-bottom:8px;font-size:11px;font-weight:700}.result-ok .result-label{color:var(--green)}.result-error .result-label{color:var(--red)}.result-text{font-family:var(--font-mono);color:var(--text-primary);white-space:pre-wrap;word-break:break-word;font-size:12.5px;line-height:1.65}.result-raw{margin:0}.result-error-text{color:var(--red);margin:0}.analysis-panel{border-top:1px solid var(--border);background:var(--bg-surface);flex-direction:column;flex-shrink:0;max-height:45vh;display:flex}.analysis-panel-error{max-height:180px}.analysis-panel-header{border-bottom:1px solid var(--border);flex-shrink:0;justify-content:space-between;align-items:center;gap:12px;padding:12px 24px;display:flex}.analysis-panel-title{color:var(--text-primary);letter-spacing:-.2px;font-size:14px;font-weight:700}.analysis-panel-meta{color:var(--text-muted);font-size:12px;font-family:var(--font-mono)}.analysis-panel-body{flex:1;padding:16px 24px 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var(--border);border-radius:20px;margin-left:auto;padding:2px 10px;font-size:11px;font-weight:600}.problem-list{counter-reset:problem;flex-direction:column;gap:8px;list-style:none;display:flex}.problem-list li{counter-increment:problem;background:var(--red-light);border-radius:var(--radius-sm);color:var(--text-primary);border:1px solid #f8717133;gap:10px;padding:10px 14px;font-size:13px;line-height:1.55;display:flex}.problem-list li:before{content:counter(problem);width:22px;height:22px;color:var(--red);background:#f8717133;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:11px;font-weight:700;display:flex}.goal-list{flex-direction:column;gap:8px;list-style:none;display:flex}.goal-list li{background:var(--green-light);border-radius:var(--radius-sm);color:var(--text-primary);border:1px solid #3ecf8e33;gap:10px;padding:10px 14px;font-size:13px;line-height:1.55;display:flex}.goal-list li:before{content:"✓";color:var(--green);flex-shrink:0;font-size:13px;font-weight:700}.exercise-grid{grid-template-columns:repeat(auto-fill,minmax(320px,1fr));gap:12px;display:grid}.exercise-card{background:var(--bg-surface2);border:1px solid var(--border);border-radius:var(--radius);flex-direction:column;gap:12px;padding:14px 16px;display:flex}.exercise-header{align-items:flex-start;gap:12px;display:flex}.exercise-number{background:var(--accent-light);width:28px;height:28px;color:var(--accent-hover);border-radius:var(--radius-sm);border:1px solid #5c6ef840;flex-shrink:0;justify-content:center;align-items:center;font-size:12px;font-weight:700;display:flex}.exercise-title-wrap{flex:1;min-width:0}.exercise-name{color:var(--text-primary);margin-bottom:6px;font-size:14px;font-weight:700;line-height:1.35}.exercise-tags{flex-wrap:wrap;gap:6px;display:flex}.tag{text-transform:uppercase;letter-spacing:.5px;border-radius:20px;padding:2px 8px;font-size:10px;font-weight:700}.tag-region{background:var(--bg);color:var(--text-secondary);border:1px solid var(--border)}.tag-type{background:var(--accent-light);color:var(--accent-hover);border:1px solid #5c6ef840}.exercise-description{color:var(--text-secondary);margin:0;font-size:13px;line-height:1.6}.scheme-grid{flex-wrap:wrap;gap:8px;display:flex}.scheme-item{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius-sm);flex-direction:column;gap:2px;min-width:72px;padding:8px 14px;display:flex}.scheme-label{text-transform:uppercase;letter-spacing:.5px;color:var(--text-muted);font-size:10px;font-weight:700}.scheme-value{color:var(--text-primary);font-size:15px;font-weight:700;font-family:var(--font-mono)}.callout{border-radius:var(--radius-sm);gap:10px;padding:10px 12px;font-size:12.5px;line-height:1.55;display:flex}.callout p{color:var(--text-secondary);margin:0}.callout-icon{flex-shrink:0;font-size:14px;line-height:1.4}.callout-title{text-transform:uppercase;letter-spacing:.5px;margin-bottom:3px;font-size:10px;font-weight:700;display:block}.callout-warning{background:var(--amber-light);border:1px solid #fbbf2433}.callout-warning .callout-title{color:var(--amber)}.callout-checkpoint{background:var(--blue-light);border:1px solid #60a5fa33}.callout-checkpoint .callout-title{color:var(--blue)}.spinner{border:2px solid #ffffff4d;border-top-color:#fff;border-radius:50%;flex-shrink:0;width:14px;height:14px;animation:.7s linear infinite spin;display:inline-block}@keyframes spin{to{transform:rotate(360deg)}}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--border-light);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}