body{padding-top:68px}:root{--font-headline: "Instrument Serif", Georgia, serif;--font-body: "DM Sans", -apple-system, BlinkMacSystemFont, sans-serif;--primary: #ff6b00;--primary-dark: #c45800;--primary-light: #ff8533;--cat-teamwork: #0a84ff;--cat-problem: #30d158;--cat-adaptability: #bf5af2;--cat-leadership: #ff9500;--cat-communication: #00c7be;--cat-time: #d4a853;--cat-failure: #ff453a;--cat-values: #ff6482;--text-primary: #1a1a1a;--text-secondary: #555555;--text-tertiary: #888888;--bg-primary: #fdfcf9;--bg-secondary: #f9f7f2;--bg-tertiary: #f0ece3;--border: #d1d1d6;--shadow-sm: 0 2px 8px rgba(0, 0, 0, .08);--shadow-md: 0 4px 20px rgba(0, 0, 0, .12);--shadow-lg: 0 8px 40px rgba(0, 0, 0, .16);--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 24px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-body);background:var(--bg-primary);color:var(--text-primary);line-height:1.6;min-height:100vh}.tool-container{max-width:800px;margin:0 auto;padding:40px 24px 80px}.screen{display:none;animation:fadeIn .4s ease}.screen.active{display:block}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.intro-badge{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;background:#30d1581a;color:var(--cat-problem);border-radius:100px;font-size:.8rem;font-weight:600;margin-bottom:24px}.intro-title{font-family:var(--font-headline);font-size:clamp(2rem,5vw,2.75rem);font-weight:700;line-height:1.2;margin-bottom:16px;color:var(--text-primary)}.intro-subtitle{font-size:1.125rem;color:var(--text-secondary);margin-bottom:32px;max-width:600px}.category-preview{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:40px}.category-chip{display:inline-flex;align-items:center;gap:6px;padding:8px 14px;background:var(--bg-secondary);border-radius:100px;font-size:.85rem;font-weight:500;color:var(--text-secondary)}.category-chip .dot{width:8px;height:8px;border-radius:50%}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 28px;font-size:1rem;font-weight:600;border:none;border-radius:var(--radius-lg);cursor:pointer;transition:all .2s ease;text-decoration:none}.btn-primary{background:var(--primary);color:#fff;box-shadow:0 4px 16px #ff4d004d}.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 6px 24px #ff4d0066}.btn-secondary{background:var(--bg-secondary);color:var(--text-primary)}.btn-secondary:hover{background:var(--bg-tertiary)}.btn-large{padding:16px 32px;font-size:1.1rem}.btn-icon{width:20px;height:20px}.flashcard-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px;flex-wrap:wrap;gap:16px}.card-counter{font-size:.9rem;color:var(--text-tertiary);font-weight:500}.category-filters{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:24px}.filter-pill{display:inline-flex;align-items:center;gap:6px;padding:10px 16px;background:var(--bg-secondary);border:2px solid var(--border);border-radius:var(--radius-md);font-size:.85rem;font-weight:500;color:var(--text-secondary);cursor:pointer;white-space:nowrap;transition:all .2s ease}.filter-pill:hover{background:var(--bg-tertiary);border-color:var(--text-tertiary)}.filter-pill.active{background:var(--bg-primary);color:var(--text-primary);font-weight:600;box-shadow:var(--shadow-sm)}.filter-pill[data-category=all].active{border-color:var(--text-primary)}.filter-pill[data-category=teamwork].active{border-color:var(--cat-teamwork);color:var(--cat-teamwork)}.filter-pill[data-category=problem].active{border-color:var(--cat-problem);color:var(--cat-problem)}.filter-pill[data-category=adaptability].active{border-color:var(--cat-adaptability);color:var(--cat-adaptability)}.filter-pill[data-category=leadership].active{border-color:var(--cat-leadership);color:var(--cat-leadership)}.filter-pill[data-category=communication].active{border-color:var(--cat-communication);color:var(--cat-communication)}.filter-pill[data-category=time].active{border-color:var(--cat-time);color:var(--cat-time)}.filter-pill[data-category=failure].active{border-color:var(--cat-failure);color:var(--cat-failure)}.filter-pill[data-category=values].active{border-color:var(--cat-values);color:var(--cat-values)}.filter-pill .dot{width:8px;height:8px;border-radius:50%}.card-container{perspective:1000px;margin-bottom:24px}.card{position:relative;width:100%;height:520px;transform-style:preserve-3d;transition:transform .6s cubic-bezier(.4,0,.2,1);cursor:pointer}.card.flipped{transform:rotateY(180deg)}.card-face{position:absolute;width:100%;height:100%;backface-visibility:hidden;-webkit-backface-visibility:hidden;border-radius:var(--radius-xl);padding:32px;display:flex;flex-direction:column;overflow-y:auto}.card-front{background:#fff;border:1px solid var(--border);box-shadow:var(--shadow-md)}.card-meta{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px}.card-category{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:100px;font-size:.8rem;font-weight:600}.card-category.teamwork{background:#0a84ff1a;color:var(--cat-teamwork)}.card-category.problem{background:#30d1581a;color:var(--cat-problem)}.card-category.adaptability{background:#bf5af21a;color:var(--cat-adaptability)}.card-category.leadership{background:#ff95001a;color:var(--cat-leadership)}.card-category.communication{background:#00c7be1a;color:var(--cat-communication)}.card-category.time{background:#d4a8531a;color:var(--cat-time)}.card-category.failure{background:#ff453a1a;color:var(--cat-failure)}.card-category.values{background:#ff64821a;color:var(--cat-values)}.card-frequency{font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.5px;padding:4px 10px;border-radius:4px}.card-frequency.very-common{background:#30d1581a;color:var(--cat-problem)}.card-frequency.common{background:#ff95001a;color:var(--cat-leadership)}.card-frequency.occasional{background:#8888881a;color:var(--text-tertiary)}.card-question{font-family:var(--font-headline);font-size:1.5rem;font-weight:600;line-height:1.4;color:var(--text-primary);flex:1;display:flex;align-items:center}.card-hint{display:flex;align-items:center;justify-content:center;gap:8px;color:var(--text-tertiary);font-size:.9rem;margin-top:24px;padding-top:24px;border-top:1px solid var(--bg-tertiary)}.card-back{background:linear-gradient(135deg,var(--text-primary) 0%,#2d2d2d 100%);color:#fff;transform:rotateY(180deg)}.card-back-header{display:flex;align-items:center;gap:8px;margin-bottom:20px;font-size:.85rem;font-weight:600;text-transform:uppercase;letter-spacing:.5px;color:#ffffffb3}.star-section{margin-bottom:16px}.star-letter{display:inline-flex;align-items:center;justify-content:center;width:28px;height:28px;background:var(--primary);color:#fff;border-radius:6px;font-weight:700;font-size:.85rem;margin-right:10px}.star-label{font-weight:600;font-size:.9rem;margin-bottom:4px;display:flex;align-items:center}.star-prompt{font-size:.9rem;color:#fffc;line-height:1.5;padding-left:38px}.card-tip{margin-top:auto;padding-top:16px;border-top:1px solid rgba(255,255,255,.1)}.card-tip-label{display:flex;align-items:center;gap:6px;font-size:.8rem;font-weight:600;color:var(--primary-light);margin-bottom:6px}.card-tip-text{font-size:.85rem;color:#fffc;line-height:1.5}.card-assessing{font-size:.8rem;color:#ffffff80;margin-top:12px}.card-nav{display:flex;justify-content:space-between;align-items:center;gap:16px}.nav-btn{display:flex;align-items:center;gap:8px;padding:12px 20px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-md);font-size:.9rem;font-weight:500;color:var(--text-primary);cursor:pointer;transition:all .2s ease}.nav-btn:hover:not(:disabled){background:var(--bg-tertiary);transform:translateY(-1px)}.nav-btn:disabled{opacity:.4;cursor:not-allowed}.nav-center{display:flex;align-items:center;gap:12px}.shuffle-btn{display:flex;align-items:center;gap:6px;padding:10px 16px;background:transparent;border:1px solid var(--border);border-radius:var(--radius-md);font-size:.85rem;font-weight:500;color:var(--text-secondary);cursor:pointer;transition:all .2s ease}.shuffle-btn:hover{background:var(--bg-secondary);color:var(--text-primary)}.keyboard-hints{display:flex;justify-content:center;gap:24px;margin-top:24px;color:var(--text-tertiary);font-size:.8rem}.keyboard-hint{display:flex;align-items:center;gap:6px}.key{display:inline-flex;align-items:center;justify-content:center;min-width:24px;height:24px;padding:0 6px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:4px;font-size:.7rem;font-weight:600}.promo-card{background:linear-gradient(135deg,var(--bg-tertiary) 0%,var(--bg-secondary) 100%);border-radius:var(--radius-xl);padding:32px;text-align:center;border:1px solid var(--border);margin-top:48px}.promo-icon{font-size:2.5rem;margin-bottom:16px}.promo-title{font-family:var(--font-headline);font-size:1.25rem;font-weight:600;margin-bottom:8px}.promo-text{color:var(--text-secondary);margin-bottom:20px;max-width:400px;margin-left:auto;margin-right:auto}.promo-buttons{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}.toast{position:fixed;bottom:24px;left:50%;transform:translate(-50%) translateY(100px);background:var(--text-primary);color:#fff;padding:12px 24px;border-radius:var(--radius-lg);font-weight:500;opacity:0;transition:all .3s ease;z-index:1000}.toast.show{transform:translate(-50%) translateY(0);opacity:1}.hidden{display:none!important}@media (max-width: 600px){.tool-container{padding:24px 16px 60px}.intro-title{font-size:1.75rem}.card{height:560px}.card-face{padding:24px}.card-question{font-size:1.25rem}.card-nav{flex-wrap:wrap}.nav-btn{flex:1;justify-content:center}.nav-center{order:-1;width:100%;justify-content:center;margin-bottom:12px}.keyboard-hints{display:none}.star-prompt{padding-left:0;margin-top:4px}}