*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--primary: #6366f1;--primary-dark: #4f46e5;--danger: #ef4444;--success: #22c55e;--bg: #f8fafc;--bg-card: #ffffff;--text: #1e293b;--text-muted: #94a3b8;--border: #e2e8f0;--radius: 12px;--nav-height: 64px}@media(prefers-color-scheme:dark){:root{--bg: #0f172a;--bg-card: #1e293b;--text: #f1f5f9;--text-muted: #64748b;--border: #334155}}html,body{height:100%;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Hiragino Sans,sans-serif;font-size:16px;line-height:1.6;color:var(--text);background:var(--bg);-webkit-font-smoothing:antialiased}#root{height:100%}.app{display:flex;flex-direction:column;height:100%;max-width:480px;margin:0 auto}.app-content{flex:1;overflow-y:auto;padding:16px;padding-bottom:calc(var(--nav-height) + 16px)}.bottom-nav{position:fixed;bottom:0;left:50%;transform:translate(-50%);width:100%;max-width:480px;height:var(--nav-height);display:flex;align-items:center;justify-content:space-around;background:var(--bg-card);border-top:1px solid var(--border);z-index:100}.nav-item{display:flex;flex-direction:column;align-items:center;gap:2px;background:none;border:none;color:var(--text-muted);font-size:11px;cursor:pointer;padding:8px}.nav-item.active{color:var(--primary)}.nav-icon{font-size:22px}.nav-label{font-weight:500}.login-screen{display:flex;align-items:center;justify-content:center;height:100%;padding:24px}.login-card{text-align:center;max-width:320px}.login-icon{font-size:64px;margin-bottom:16px}.login-card h1{font-size:28px;margin-bottom:8px}.login-card p{color:var(--text-muted);margin-bottom:32px}.loading-screen{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;gap:16px}.loading-spinner{width:40px;height:40px;border:3px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 20px;border:none;border-radius:8px;font-size:15px;font-weight:600;cursor:pointer;transition:all .15s;background:var(--bg-card);color:var(--text);border:1px solid var(--border)}.btn:active{transform:scale(.97)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--primary);color:#fff;border-color:var(--primary)}.btn-primary:active{background:var(--primary-dark)}.btn-danger{color:var(--danger);border-color:var(--danger)}.btn-sm{padding:6px 12px;font-size:13px}.btn-lg{padding:14px 32px;font-size:17px;border-radius:12px}.btn-block{width:100%}.btn-copy.copied{background:var(--success);color:#fff;border-color:var(--success)}.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}.page-header h2{font-size:20px}.btn-back{background:none;border:none;color:var(--primary);font-size:15px;cursor:pointer;padding:4px}.page-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;height:60vh;gap:12px;text-align:center;color:var(--text-muted)}.main-page{display:flex;flex-direction:column;height:calc(100vh - var(--nav-height) - 32px)}.contact-selector{margin-bottom:12px}.select-contact{width:100%;padding:12px 16px;border:1px solid var(--border);border-radius:var(--radius);background:var(--bg-card);color:var(--text);font-size:16px;-webkit-appearance:none;-moz-appearance:none;appearance:none}.text-area{flex:1;display:flex;flex-direction:column;min-height:0}.tab-bar{display:flex;gap:4px;margin-bottom:8px}.tab{padding:6px 14px;background:none;border:none;border-bottom:2px solid transparent;color:var(--text-muted);font-size:14px;font-weight:500;cursor:pointer}.tab.active{color:var(--primary);border-bottom-color:var(--primary)}.tab-clear{margin-left:auto;color:var(--danger)}.text-display{flex:1;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:16px;overflow-y:auto;min-height:200px}.message-text{white-space:pre-wrap;word-break:break-word;font-size:16px;line-height:1.8}.placeholder-text{color:var(--text-muted);text-align:center;margin-top:40px}.raw-text-input{width:100%;height:100%;min-height:160px;border:none;background:none;color:var(--text);font-size:16px;line-height:1.8;resize:none;outline:none;font-family:inherit}.error-message{color:var(--danger);font-size:14px;margin-top:8px}.skeleton-loader{display:flex;flex-direction:column;gap:12px;padding:8px 0}.skeleton-line{height:16px;background:linear-gradient(90deg,var(--border) 25%,transparent 50%,var(--border) 75%);background-size:200% 100%;border-radius:4px;animation:shimmer 1.5s infinite}.skeleton-line.short{width:60%}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.action-bar{display:flex;align-items:center;justify-content:center;gap:12px;padding:12px 0}.mic-button{width:64px;height:64px;border-radius:50%;border:3px solid var(--primary);background:var(--bg-card);font-size:28px;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s}.mic-button:active{transform:scale(.95)}.mic-button.recording{background:var(--danger);border-color:var(--danger);animation:pulse 1.5s ease-in-out infinite}.mic-button.disabled{opacity:.3}@keyframes pulse{0%,to{box-shadow:0 0 #ef444466}50%{box-shadow:0 0 0 12px #ef444400}}.btn-format{background:var(--primary);color:#fff;border-color:var(--primary)}.btn-share{background:var(--success);color:#fff;border-color:var(--success)}.contact-list{display:flex;flex-direction:column;gap:8px}.contact-card{display:flex;align-items:center;justify-content:space-between;padding:14px 16px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);cursor:pointer;transition:background .1s}.contact-card:active{background:var(--border)}.contact-info{display:flex;flex-direction:column;gap:2px}.contact-name{font-weight:600;font-size:16px}.contact-type{font-size:13px;color:var(--text-muted)}.btn-delete{background:none;border:none;color:var(--danger);font-size:13px;cursor:pointer;padding:4px 8px}.form-group{margin-bottom:16px}.form-group label{display:block;font-size:14px;font-weight:600;margin-bottom:6px;color:var(--text)}.input{width:100%;padding:12px 14px;border:1px solid var(--border);border-radius:8px;background:var(--bg-card);color:var(--text);font-size:16px;font-family:inherit}.input:focus{outline:none;border-color:var(--primary)}.textarea{resize:vertical;line-height:1.6}.settings-section{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:16px;margin-bottom:16px}.settings-section h3{font-size:16px;margin-bottom:8px}.text-muted{color:var(--text-muted);font-size:13px}.text-muted a{color:var(--primary)}.api-key-status{display:flex;align-items:center;justify-content:space-between;margin-top:12px}.api-key-actions{display:flex;gap:8px}.status-badge{padding:4px 10px;border-radius:20px;font-size:13px;font-weight:600}.status-ok{background:#dcfce7;color:#166534}@media(prefers-color-scheme:dark){.status-ok{background:#166534;color:#dcfce7}}.api-key-input{display:flex;gap:8px;margin-top:12px}.api-key-input .input{flex:1}.message{font-size:14px;margin-top:8px;padding:8px;border-radius:6px}.message.success{background:#dcfce7;color:#166534}.message.error{background:#fef2f2;color:#991b1b}.account-info{margin-top:8px}.account-info p{font-size:14px;margin-bottom:4px}.message-list{display:flex;flex-direction:column;gap:8px}.message-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:14px 16px}.message-header{display:flex;justify-content:space-between;margin-bottom:8px}.message-contact{font-weight:600;font-size:14px}.message-date{font-size:12px;color:var(--text-muted)}.message-card .message-text{font-size:15px;line-height:1.6;margin-bottom:8px}.message-actions{display:flex;gap:8px;justify-content:flex-end}