*{margin:0;padding:0;box-sizing:border-box}body{font-family:Comic Neue,cursive;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%);min-height:100vh;color:#333}#root{min-height:100vh}.app{min-height:100vh;padding:20px;background:linear-gradient(135deg,#667eea 0%,#764ba2 100%)}.container{max-width:1200px;margin:0 auto;background:white;border-radius:20px;box-shadow:0 20px 40px #0000001a;overflow:hidden;min-height:calc(100vh - 40px)}.header{background:linear-gradient(135deg,#ff6b6b,#feca57);padding:20px;text-align:center;color:#fff}.header h1{font-size:3rem;font-weight:700;margin-bottom:10px;text-shadow:2px 2px 4px rgba(0,0,0,.3)}.buddy-character{font-size:4rem;margin:10px 0;animation:bounce 2s infinite}@keyframes bounce{0%,20%,50%,80%,to{transform:translateY(0)}40%{transform:translateY(-10px)}60%{transform:translateY(-5px)}}.main-content{padding:30px}.progress-section{background:linear-gradient(135deg,#74b9ff,#0984e3);border-radius:15px;padding:20px;margin-bottom:30px;color:#fff;text-align:center}.progress-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:15px;margin-top:15px}.stat-item{background:rgba(255,255,255,.2);border-radius:10px;padding:15px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.stat-number{font-size:2rem;font-weight:700;display:block}.stars{font-size:1.5rem;margin:10px 0}.button-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:20px;margin-bottom:30px}.main-button{background:linear-gradient(135deg,#fd79a8,#e84393);border:none;border-radius:15px;padding:25px;color:#fff;font-family:Comic Neue,cursive;font-size:1.2rem;font-weight:700;cursor:pointer;transition:all .3s ease;box-shadow:0 8px 20px #0003;display:flex;flex-direction:column;align-items:center;gap:10px;min-height:120px}.main-button:hover{transform:translateY(-5px);box-shadow:0 12px 25px #0000004d}.main-button.math{background:linear-gradient(135deg,#00b894,#00a085)}.main-button.reading{background:linear-gradient(135deg,#e17055,#d63031)}.main-button.spelling{background:linear-gradient(135deg,#a29bfe,#6c5ce7)}.main-button.science{background:linear-gradient(135deg,#fd79a8,#e84393)}.main-button.quiz{background:linear-gradient(135deg,#fdcb6e,#e17055)}.main-button.tips{background:linear-gradient(135deg,#74b9ff,#0984e3)}.button-icon{font-size:2rem}.modal{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.5);display:flex;align-items:center;justify-content:center;z-index:1000;padding:20px}.modal-content{background:white;border-radius:20px;padding:30px;max-width:600px;width:100%;max-height:80vh;overflow-y:auto;position:relative}.modal-header{text-align:center;margin-bottom:20px}.modal-header h2{font-size:2rem;color:#333;margin-bottom:10px}.close-button{position:absolute;top:15px;right:15px;background:#ff6b6b;border:none;border-radius:50%;width:40px;height:40px;color:#fff;font-size:1.5rem;cursor:pointer;display:flex;align-items:center;justify-content:center}.subject-buttons{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:15px;margin-bottom:20px}.subject-button{background:linear-gradient(135deg,#74b9ff,#0984e3);border:none;border-radius:10px;padding:20px;color:#fff;font-family:Comic Neue,cursive;font-size:1.1rem;font-weight:700;cursor:pointer;transition:all .3s ease;display:flex;flex-direction:column;align-items:center;gap:8px}.subject-button:hover{transform:translateY(-3px);box-shadow:0 8px 20px #0003}.chat-area{background:#f8f9fa;border-radius:10px;padding:20px;margin:20px 0;min-height:200px;max-height:300px;overflow-y:auto}.message{margin-bottom:15px;padding:10px 15px;border-radius:10px;max-width:80%}.message.user{background:#e3f2fd;margin-left:auto;text-align:right}.message.buddy{background:#fff3e0;margin-right:auto}.input-area{display:flex;gap:10px;margin-top:15px}.message-input{flex:1;padding:15px;border:2px solid #ddd;border-radius:10px;font-family:Comic Neue,cursive;font-size:1rem}.send-button,.voice-button{background:#00b894;border:none;border-radius:10px;padding:15px 20px;color:#fff;cursor:pointer;font-size:1.2rem;transition:all .3s ease}.send-button:hover,.voice-button:hover{background:#00a085;transform:translateY(-2px)}.quiz-question{background:#f8f9fa;border-radius:10px;padding:20px;margin:20px 0;text-align:center}.quiz-question h3{font-size:1.5rem;margin-bottom:20px;color:#333}.quiz-options{display:grid;gap:10px;margin-top:15px}.quiz-option{background:white;border:2px solid #ddd;border-radius:10px;padding:15px;cursor:pointer;transition:all .3s ease;font-family:Comic Neue,cursive;font-size:1rem}.quiz-option:hover{border-color:#74b9ff;background:#f0f8ff}.quiz-option.correct{background:#d4edda;border-color:#28a745}.quiz-option.incorrect{background:#f8d7da;border-color:#dc3545}.tips-content{text-align:left}.tips-content h3{color:#333;margin:20px 0 10px;font-size:1.3rem}.tips-content p{margin-bottom:15px;line-height:1.6;font-size:1.1rem}.tips-content ul{margin-left:20px;margin-bottom:15px}.tips-content li{margin-bottom:8px;line-height:1.5}.celebration{text-align:center;padding:20px;background:linear-gradient(135deg,#ffeaa7,#fdcb6e);border-radius:10px;margin:20px 0}.celebration-emoji{font-size:3rem;margin-bottom:10px;animation:bounce 1s infinite}.loading{text-align:center;padding:20px;color:#666}.loading-spinner{display:inline-block;width:20px;height:20px;border:3px solid #f3f3f3;border-top:3px solid #74b9ff;border-radius:50%;animation:spin 1s linear infinite;margin-right:10px}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}@media (max-width: 768px){.header h1{font-size:2rem}.buddy-character{font-size:3rem}.button-grid{grid-template-columns:1fr}.progress-stats{grid-template-columns:repeat(2,1fr)}.subject-buttons{grid-template-columns:1fr}}