:root{--bg-main: #0a0a0c;--bg-card: #16161a;--bg-muted: #1f1f23;--text-main: #f0f0f2;--text-muted: #a1a1aa;--accent-primary: #8b5cf6;--accent-secondary: #06b6d4;--border-color: rgba(255, 255, 255, .08);--glass-bg: rgba(255, 255, 255, .03);--glass-border: rgba(255, 255, 255, .1);--speaker-1-accent: #f59e0b;--speaker-2-accent: #10b981;--speaker-3-accent: #3b82f6;--speaker-4-accent: #ef4444}*{box-sizing:border-box;margin:0;padding:0;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}body{background-color:var(--bg-main);color:var(--text-main);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;overflow-x:hidden}.glass{background:var(--glass-bg);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid var(--glass-border);border-radius:16px}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--bg-muted);border-radius:10px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}.app-container{display:grid;grid-template-columns:350px 1fr 300px;grid-template-rows:60px 1fr 100px;height:100vh;gap:1px;background-color:var(--border-color)}.header{grid-column:1 / -1;background-color:var(--bg-main);display:flex;align-items:center;padding:0 24px;border-bottom:1px solid var(--border-color);justify-content:space-between}.sidebar-left{grid-column:1;grid-row:2;background-color:var(--bg-main);border-right:1px solid var(--border-color);padding:24px;overflow-y:auto}.main-content{grid-column:2;grid-row:2;background-color:var(--bg-main);padding:32px;overflow-y:auto;display:flex;flex-direction:column;gap:24px}.sidebar-right{grid-column:3;grid-row:2;background-color:var(--bg-main);border-left:1px solid var(--border-color);padding:24px;overflow-y:auto}.player-footer{grid-column:1 / -1;grid-row:3;background-color:var(--bg-main);border-top:1px solid var(--border-color);padding:0 40px;display:flex;align-items:center;gap:32px}h1{font-size:1.25rem;font-weight:600;letter-spacing:-.025em}h2{font-size:.875rem;font-weight:500;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;margin-bottom:16px}.btn{padding:8px 16px;border-radius:8px;border:1px solid var(--border-color);background:var(--bg-muted);color:var(--text-main);font-size:.875rem;font-weight:500;cursor:pointer;transition:all .2s cubic-bezier(.4,0,.2,1);display:flex;align-items:center;gap:8px}.btn:hover{background:var(--glass-border);transform:translateY(-1px)}.btn-primary{background:var(--accent-primary);border-color:transparent}.btn-primary:hover{background:#7c3aed;box-shadow:0 0 20px #8b5cf64d}.input-group{margin-bottom:20px}label{display:block;font-size:.75rem;font-weight:500;color:var(--text-muted);margin-bottom:6px}input,select,textarea{width:100%;background:var(--bg-card);border:1px solid var(--border-color);border-radius:8px;padding:10px 12px;color:var(--text-main);font-size:.875rem;transition:border-color .2s}input:focus,select:focus,textarea:focus{outline:none;border-color:var(--accent-primary)}.dialogue-turn{display:grid;grid-template-columns:140px 1fr;gap:16px;padding:16px;background:var(--bg-card);border:1px solid var(--border-color);border-radius:12px;transition:border-color .2s,transform .2s}.dialogue-turn:hover{border-color:var(--glass-border)}.speaker-indicator{padding:4px 12px;border-radius:20px;font-size:.75rem;font-weight:600;width:fit-content}.speaker-1{background:#f59e0b1a;color:var(--speaker-1-accent);border:1px solid rgba(245,158,11,.2)}.speaker-2{background:#10b9811a;color:var(--speaker-2-accent);border:1px solid rgba(16,185,129,.2)}.mobile-only{display:none!important}.mobile-overlay{display:none}@media(max-width:1024px){.desktop-only{display:none!important}.mobile-only{display:flex!important}.app-container{grid-template-columns:1fr;grid-template-rows:60px 1fr 100px}.sidebar-left,.sidebar-right{position:fixed;top:60px;bottom:0;width:280px;z-index:50;transition:transform .3s cubic-bezier(.4,0,.2,1);background:var(--bg-main);box-shadow:0 0 20px #00000080}.sidebar-left{left:0;transform:translate(-100%);border-right:1px solid var(--border-color)}.sidebar-right{right:0;transform:translate(100%);border-left:1px solid var(--border-color)}.sidebar-left.open,.sidebar-right.open{transform:translate(0)}.main-content{grid-column:1 / -1}.mobile-overlay{display:block;position:fixed;inset:60px 0 0;background:#0009;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:40;animation:fadeIn .3s ease-out}.sidebar-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px;padding-bottom:16px;border-bottom:1px solid var(--border-color)}.icon-btn{background:none;border:none;color:var(--text-muted);cursor:pointer;padding:4px;display:flex;align-items:center;justify-content:center}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}