:root{font-family:system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#242424;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}a{font-weight:500;color:#646cff;text-decoration:inherit}a:hover{color:#535bf2}body{margin:0;padding:0;min-width:320px;min-height:100vh;width:100%}#root{width:100%;min-height:100vh}h1{font-size:3.2em;line-height:1.1}button{border-radius:8px;border:1px solid transparent;padding:.6em 1.2em;font-size:1em;font-weight:500;font-family:inherit;background-color:#1a1a1a;cursor:pointer;transition:border-color .25s}button:hover{border-color:#646cff}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}@media(prefers-color-scheme:light){:root{color:#213547;background-color:#fff}a:hover{color:#747bff}button{background-color:#f9f9f9}}.landing-page{min-height:100vh;display:flex;flex-direction:column;align-items:center;padding:2rem;background:var(--bg-dark)}.landing-header{text-align:center;margin-bottom:3rem;animation:fadeIn .6s ease-in}.landing-icon{color:#ffffffe6;margin-bottom:1rem}.landing-header h1{font-size:3rem;margin:.5rem 0;color:#fffffff2;font-weight:700;letter-spacing:-.02em}.landing-subtitle{font-size:1.1rem;color:#ffffff80;max-width:600px;margin:0 auto;font-weight:400}.filters-container{width:100%;max-width:900px;display:flex;flex-direction:column;gap:2rem;margin-bottom:2rem}.filter-section{background:var(--bg-secondary);border-radius:8px;padding:1.5rem;border:1px solid var(--border);animation:slideUp .6s ease-out}.filter-header{display:flex;align-items:center;gap:.5rem;margin-bottom:1rem;color:#ffffffe6}.filter-header h3{margin:0;font-size:1.2rem;font-weight:600}.difficulty-buttons{display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:.75rem}.difficulty-btn{padding:.75rem 1.5rem;border-radius:6px;border:1px solid var(--border);background:var(--bg-tertiary);color:var(--text-primary);font-size:1rem;font-weight:500;cursor:pointer;transition:all .2s}.difficulty-btn:hover{border-color:#fff6;background:var(--bg-dark)}.difficulty-btn.active{border-color:#fffc;background:#ffffff1a;color:#fff}.difficulty-btn.easy.active{border-color:#10b981;background:#10b98133;color:#10b981}.difficulty-btn.medium.active{border-color:#f59e0b;background:#f59e0b33;color:#f59e0b}.difficulty-btn.hard.active{border-color:#ef4444;background:#ef444433;color:#ef4444}.tag-container{display:flex;flex-wrap:wrap;gap:.5rem}.tag{padding:.5rem 1rem;border-radius:6px;border:1px solid var(--border);background:var(--bg-tertiary);color:var(--text-primary);font-size:.9rem;cursor:pointer;transition:all .2s}.tag:hover{border-color:#fff6;background:var(--bg-dark)}.tag.active{border-color:#fffc;background:#ffffff1a;color:#fff}.landing-actions{display:flex;flex-direction:column;align-items:center;gap:1rem;margin-top:2rem}.btn-large{padding:1rem 3rem;font-size:1.2rem;display:flex;align-items:center;gap:.5rem}.btn-large:hover{transform:translateY(-2px)}.filter-summary{color:var(--text-secondary);font-size:.9rem;text-align:center;margin:0}.landing-footer{margin-top:auto;padding-top:2rem;text-align:center;color:var(--text-secondary);font-size:.9rem}.landing-footer a{color:#ffffffb3;text-decoration:none;transition:color .2s}.landing-footer a:hover{color:#fffffff2}@keyframes fadeIn{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}@keyframes slideUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.05)}}@media(max-width:768px){.landing-header h1{font-size:2rem}.difficulty-buttons{grid-template-columns:1fr 1fr}.filters-container{padding:0 1rem}}:root{--primary: #10b981;--primary-hover: #059669;--secondary: #6b7280;--success: #10b981;--warning: #f59e0b;--error: #ef4444;--bg-dark: #1a1a1a;--bg-secondary: #242424;--bg-tertiary: #2e2e2e;--text-primary: rgba(255, 255, 255, .87);--text-secondary: rgba(255, 255, 255, .6);--border: rgba(255, 255, 255, .1)}*{box-sizing:border-box}.app{min-height:100vh;display:flex;flex-direction:column;background:var(--bg-dark);color:var(--text-primary)}.app-header{display:flex;justify-content:space-between;align-items:center;padding:1.5rem 2rem;background:var(--bg-secondary);border-bottom:1px solid var(--border)}.logo{display:flex;align-items:center;gap:1rem}.logo h1{margin:0;font-size:1.5rem;font-weight:600}.problem-selector{display:flex;align-items:center;gap:.75rem}.problem-selector select{padding:.5rem 1rem;background:var(--bg-tertiary);color:var(--text-primary);border:1px solid var(--border);border-radius:6px;font-size:.95rem;cursor:pointer}.problem-selector select:hover{border-color:var(--primary)}.app-main{flex:1;padding:1rem 6rem;max-width:1400px;width:100%;margin:0 auto;display:flex;flex-direction:column}.app-footer{padding:1rem;text-align:center;background:var(--bg-secondary);border-top:1px solid var(--border);font-size:.875rem;color:var(--text-secondary)}.app-footer a{color:var(--primary);text-decoration:none}.app-footer a:hover{text-decoration:underline}.interview-panel{display:flex;flex-direction:column;gap:.5rem;height:100%;flex:1}.interview-header{display:flex;justify-content:space-between;align-items:center;padding:1rem 1.5rem;background:var(--bg-secondary);border-bottom:1px solid var(--border);flex-shrink:0}.header-controls{display:flex;gap:2rem;align-items:center}.mode-selector{display:flex;align-items:center;gap:.5rem}.problem-title{margin:0 0 .5rem;font-size:1.75rem;font-weight:600}.difficulty{display:inline-block;padding:.25rem .75rem;border-radius:4px;font-size:.75rem;font-weight:600;text-transform:uppercase}.difficulty.easy{background:#10b98133;color:#10b981}.difficulty.medium{background:#f59e0b33;color:#f59e0b}.difficulty.hard{background:#ef444433;color:#ef4444}.session-stats{display:flex;gap:1.5rem}.stat{font-size:.95rem;color:var(--text-secondary)}.problem-description{background:transparent;padding:0;border-radius:0;border:none}.problem-description pre{margin:0;white-space:pre-wrap;font-family:inherit;line-height:1.6;font-size:.9rem;color:var(--text-primary)}.audio-section{flex-shrink:0}.interview-workspace{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem;max-height:93vh}@media(max-width:1200px){.interview-workspace{gap:1rem}}@media(max-width:1024px){.interview-workspace{grid-template-columns:1fr;max-height:none}}.resizable-layout{display:flex;gap:0;height:100%;overflow:hidden;margin:0;flex:1}.left-panel{display:flex;flex-direction:column;gap:1rem;overflow-y:auto;padding:1rem;background:var(--bg-secondary);border:1px solid var(--border);border-radius:8px;min-width:300px}.left-panel h3{margin:0 0 .5rem;font-size:1rem;font-weight:600}.problem-section{flex-shrink:0}.right-panel{display:flex;flex-direction:column;overflow:hidden;padding:0;min-width:300px}.resize-handle{width:6px;background:linear-gradient(90deg,var(--border) 0%,var(--primary) 50%,var(--border) 100%);cursor:col-resize;transition:background .2s}.resize-handle:hover{background:linear-gradient(90deg,var(--border) 0%,var(--primary-hover) 50%,var(--border) 100%)}.code-section{display:flex;flex-direction:column;height:100%;background:var(--bg-secondary);border:1px solid var(--border);border-radius:8px;overflow:hidden}.editor-section,.output-section{background:var(--bg-secondary);border-radius:8px;border:1px solid var(--border);overflow:hidden}.section-header{display:flex;justify-content:space-between;align-items:center;padding:1rem 1.25rem;background:var(--bg-tertiary);border-bottom:1px solid var(--border);gap:.5rem;flex-shrink:0}.section-header h3{margin:0;font-size:1rem;font-weight:600}.editor-actions{display:flex;gap:.5rem}.code-editor-container{flex:1;overflow:auto}.terminal-output{display:flex;flex-direction:column;background:#0d0d0d;border-top:1px solid var(--border);height:150px;flex-shrink:0;overflow:hidden}.terminal-header{display:flex;align-items:center;gap:.5rem;padding:.75rem 1rem;background:#1a1a1a;border-bottom:1px solid var(--border);color:var(--text-secondary);font-size:.85rem;font-weight:600}.terminal-content{flex:1;padding:1rem;margin:0;font-family:Courier New,Courier,monospace;font-size:.875rem;line-height:1.5;white-space:pre-wrap;word-wrap:break-word;overflow-y:auto;color:#0f0}.output-content{padding:1.25rem;min-height:419px;max-height:419px;overflow-y:auto}.output-content pre{margin:0;font-family:Courier New,monospace;font-size:.875rem;line-height:1.5;white-space:pre-wrap}.audio-interview-section{background:var(--bg-secondary);border-top:1px solid var(--border);padding:1rem;margin:0;height:600px;min-height:600px;max-height:600px;display:flex;flex-direction:column;overflow:hidden}.audio-controls-container{display:grid;grid-template-columns:1fr 1fr;gap:1rem;flex:1;min-height:0}@media(max-width:768px){.audio-controls-container{grid-template-columns:1fr}}.audio-left-panel,.audio-right-panel{display:flex;flex-direction:column;height:100%;overflow:hidden;border:1px solid var(--border);border-radius:8px;padding:0}.conversation-history{display:flex;flex-direction:column;height:100%;overflow:hidden}.conversation-entries{flex:1;overflow-y:auto;padding:0 1rem 1rem}.conversation-entry{margin-bottom:.75rem;padding:.75rem;border-radius:8px;animation:slideIn .3s ease-out}@keyframes slideIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.assistant-entry{background:#10b9811a;border:1px solid rgba(16,185,129,.3)}.interviewer-message{background:#646cff1a;border:1px solid rgba(100,108,255,.3);border-radius:8px;padding:1.25rem;margin:0;flex:1;overflow-y:auto;display:flex;flex-direction:column;height:100%}.message-header{display:flex;align-items:center;gap:.5rem;margin-bottom:.75rem;color:var(--primary);font-weight:600}.interviewer-message p{margin:0;line-height:1.6;flex:1;overflow-y:auto}.recording-section{background:#ef44441a;border:2px solid rgba(239,68,68,.5);border-radius:8px;padding:1.25rem;margin:1rem 0}.recording-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:1rem}.recording-indicator{display:flex;align-items:center;gap:.5rem;font-weight:600;color:var(--error)}.recording-dot{display:inline-block;width:12px;height:12px;background:var(--error);border-radius:50%;animation:pulse 1.5s ease-in-out infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.recording-transcript{background:var(--bg-secondary);border:1px solid var(--border);border-radius:6px;padding:1rem;max-height:300px;overflow-y:auto}.recording-transcript h4{margin:0 0 .75rem;color:var(--text-secondary);font-size:.9rem;text-transform:uppercase;letter-spacing:.5px}.recording-transcript pre{margin:0;font-size:.9rem;line-height:1.5;color:var(--text-primary)}.interview-actions{display:flex;gap:1rem;justify-content:center;padding:.75rem 0 0;flex-wrap:wrap;flex-shrink:0}.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.625rem 1.25rem;border:none;border-radius:6px;font-size:.95rem;font-weight:500;cursor:pointer;transition:all .2s}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--primary-hover)}.btn-secondary{background:var(--bg-tertiary);color:var(--text-primary);border:1px solid var(--border)}.btn-secondary:hover:not(:disabled){border-color:var(--primary);background:var(--bg-dark)}.btn-hint{background:#f59e0b33;color:#f59e0b;border:1px solid rgba(245,158,11,.3)}.btn-hint:hover:not(:disabled){background:#f59e0b4d}.spinning{animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.feedback-panel{background:var(--bg-secondary);border:1px solid var(--border);border-radius:8px;padding:2rem;max-width:800px;margin:0 auto}.feedback-title{text-align:center;margin:0 0 2rem;font-size:2rem;font-weight:600}.overall-score{display:flex;justify-content:center;margin-bottom:2rem}.score-circle{display:flex;align-items:baseline;justify-content:center;width:120px;height:120px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--primary-hover));color:#fff;font-weight:700}.score-number{font-size:3rem}.score-label{font-size:1.5rem;opacity:.8}.detailed-feedback{text-align:center;margin-bottom:2rem;padding:1rem;background:var(--bg-tertiary);border-radius:6px;line-height:1.6}.detailed-feedback p{margin:0}.feedback-section{margin-bottom:1.5rem}.feedback-section .section-header{display:flex;align-items:center;gap:.5rem;padding:.75rem 0;background:transparent;border:none}.feedback-section h3{margin:0;font-size:1.125rem}.icon{flex-shrink:0}.icon.success{color:var(--success)}.icon.warning{color:var(--warning)}.icon.info{color:var(--primary)}.feedback-list{list-style:none;padding:0;margin:.5rem 0 0}.feedback-list li{padding:.625rem 1rem;margin-bottom:.5rem;background:var(--bg-tertiary);border-radius:6px;border-left:3px solid var(--primary);line-height:1.5}.feedback-panel .btn-primary{width:100%;margin-top:1rem;padding:.875rem;font-size:1rem}.btn-back{padding:.5rem;margin-right:1rem;border:1px solid var(--border);background:#ffffff0d;color:var(--text-primary);border-radius:6px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s}.btn-back:hover{background:var(--primary);border-color:var(--primary);transform:translateY(-2px)}.audio-section{margin:1.5rem 0;padding:1.5rem;background:var(--bg-secondary);border-radius:8px;border:1px solid var(--border)}.audio-transcriber{display:flex;flex-direction:column;gap:1rem;height:100%;overflow:hidden;padding:1rem}.transcriber-controls{display:flex;align-items:center;gap:1rem}.btn-recording{background:#dc3545;color:#fff;border-color:#dc3545;animation:pulse 2s infinite}.btn-recording:hover{background:#c82333;border-color:#c82333}@keyframes pulse{0%,to{opacity:1}50%{opacity:.7}}.transcript-display{flex:1;overflow-y:auto;background:var(--bg-tertiary);border:1px solid var(--border);border-radius:6px;padding:1rem}.transcript-display h4{margin:0 0 .75rem;font-size:.875rem;text-transform:uppercase;letter-spacing:.05em;color:var(--text-secondary);font-weight:600}.transcript-entries{font-family:Monaco,Courier New,monospace;font-size:.9rem;line-height:1.6}.transcript-entry{margin-bottom:.75rem;padding:.5rem;background:var(--bg-dark);border-radius:4px}.transcript-entry.complete .text{color:var(--text-primary)}.transcript-entry.partial .text{color:var(--text-secondary);font-style:italic}.transcript-entry .timestamp{color:var(--secondary);margin-right:.75rem;font-weight:600}.error-text{color:var(--error);font-size:.9rem}
