@import"https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;700&family=JetBrains+Mono:wght@400;700&display=swap";:root{--bg-deep: #050511;--bg-surface: #0f1020;--glass-border: rgba(255, 255, 255, .08);--glass-bg: rgba(20, 20, 40, .6);--primary-glow: #6366f1;--neon-accent: #a855f7;--gold-accent: #fbbf24;--user-msg-grad: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);--ai-msg-bg: rgba(30, 41, 59, .7);--text-main: #f1f5f9;--text-muted: #94a3b8;--radius-lg: 18px;--radius-sm: 8px;--shadow-glow: 0 0 20px rgba(99, 102, 241, .15)}*{box-sizing:border-box;margin:0;padding:0}body,html{font-family:Outfit,sans-serif;background-color:var(--bg-deep);color:var(--text-main);height:100vh;width:100%;overflow:hidden;background-image:radial-gradient(circle at 10% 20%,rgba(79,70,229,.08) 0%,transparent 40%),radial-gradient(circle at 90% 80%,rgba(168,85,247,.08) 0%,transparent 40%)}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#ffffff1a;border-radius:10px}::-webkit-scrollbar-thumb:hover{background:#fff3}.app-layout{display:flex;flex-direction:column;height:100vh;max-width:1400px;margin:0 auto;padding:0;position:relative}.app-header{padding:1.5rem;text-align:center;border-bottom:1px solid var(--glass-border);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);z-index:10;display:flex;justify-content:space-between;align-items:center}.app-header h1{font-size:1.4rem;font-weight:700;letter-spacing:-.5px;background:linear-gradient(to right,#fff,#a5b4fc);-webkit-background-clip:text;-webkit-text-fill-color:transparent;display:flex;align-items:center;gap:10px}.app-header h1:before{content:"✦";color:var(--gold-accent);-webkit-text-fill-color:initial;font-size:1.2rem}.explanation-select{background:#ffffff0d;color:var(--text-muted);border:1px solid var(--glass-border);padding:.5rem 1rem;border-radius:20px;font-family:Outfit,sans-serif;font-size:.85rem;outline:none;cursor:pointer;transition:all .2s}.explanation-select:hover{border-color:var(--primary-glow);color:#fff}.app-main{flex:1;display:flex;flex-direction:column;overflow:hidden;position:relative}.chat-container{display:flex;flex-direction:column;height:100%}.message-list{flex:1;overflow-y:auto;padding:2rem 1rem;display:flex;flex-direction:column;gap:2rem;scroll-behavior:smooth}.message-wrapper{display:flex;width:100%;animation:fadeIn .4s ease-out}.message-wrapper.user{justify-content:flex-end}.message-wrapper.ai{justify-content:flex-start}.message-content{max-width:80%;padding:1.25rem;border-radius:var(--radius-lg);font-size:1rem;line-height:1.6;position:relative;box-shadow:0 4px 15px #0003}.message-wrapper.user .message-content{background:var(--user-msg-grad);color:#fff;border-bottom-right-radius:4px}.message-wrapper.ai .message-content{background:var(--glass-bg);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid var(--glass-border);border-bottom-left-radius:4px;color:var(--text-main)}.initial-message{font-weight:500;margin-bottom:.5rem}.ai h3,.ai h4{color:#c4b5fd;margin-top:1rem;margin-bottom:.5rem;font-weight:600}.ai ul{padding-left:1.2rem;margin-bottom:1rem;color:var(--text-muted)}.ai strong{color:#e2e8f0;font-weight:600}.player-container{margin-top:1.5rem;padding:1rem;background:#0003;border-radius:12px;border:1px solid rgba(255,255,255,.05)}.play-button{width:100%;background:var(--primary-glow);color:#fff;border:none;padding:.8rem;border-radius:10px;cursor:pointer;font-weight:600;font-family:Outfit,sans-serif;letter-spacing:.5px;transition:all .2s;display:flex;align-items:center;justify-content:center;gap:10px;box-shadow:0 0 15px #6366f14d}.play-button:hover:not(:disabled){background:#4f46e5;transform:translateY(-1px);box-shadow:0 0 20px #6366f180}.play-button:disabled{background:#334155;opacity:.6;cursor:not-allowed;box-shadow:none}.download-section{margin-top:1rem;padding-top:.8rem;border-top:1px solid rgba(255,255,255,.1);display:flex;justify-content:space-between;align-items:center}.download-label{font-size:.75rem;text-transform:uppercase;letter-spacing:1px;color:var(--text-muted)}.download-link{display:inline-flex;align-items:center;gap:5px;padding:.4rem .8rem;background:#ffffff0d;color:#a5b4fc;text-decoration:none;border-radius:6px;font-size:.8rem;transition:all .2s;border:1px solid transparent}.download-link:hover{background:#ffffff1a;border-color:#fff3;color:#fff}.input-area-wrapper{background:#0f172acc;-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);padding:1.5rem;border-top:1px solid var(--glass-border);display:flex;gap:1rem;align-items:flex-end}.input-container-inner{flex:1;background:#ffffff08;border:1px solid var(--glass-border);border-radius:12px;display:flex;align-items:center;transition:border-color .2s}.input-container-inner:focus-within{border-color:var(--primary-glow);box-shadow:0 0 0 1px #6366f14d}.input-textarea{flex:1;background:transparent;border:none;color:#fff;resize:none;font-family:Outfit,sans-serif;font-size:1rem;padding:1rem;max-height:120px;outline:none}.input-textarea::placeholder{color:#64748b}.send-button{background:var(--user-msg-grad);border:none;width:48px;height:48px;border-radius:12px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s cubic-bezier(.4,0,.2,1);box-shadow:0 4px 12px #4f46e54d}.send-button svg{fill:#fff;width:20px;height:20px}.send-button:hover:not(:disabled){transform:scale(1.05);box-shadow:0 6px 16px #4f46e580}.send-button:disabled{background:#334155;cursor:not-allowed;opacity:.5;box-shadow:none}pre{background:#0f172a!important;border-radius:8px;padding:1rem;overflow-x:auto;font-family:JetBrains Mono,monospace;font-size:.85rem;border:1px solid var(--glass-border);margin-top:1rem}code{font-family:JetBrains Mono,monospace;background:#ffffff1a;padding:2px 4px;border-radius:4px;font-size:.9em}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}