*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}:root{--color-primary: #41815C;--color-primary-hover: #357049;--color-primary-light: rgba(65, 129, 92, .08);--color-primary-glow: rgba(65, 129, 92, .25);--color-bg: #f8faf9;--color-surface: #ffffff;--color-surface-hover: #f2f7f4;--color-border: #e2e8e5;--color-border-focus: #41815C;--color-text: #1a2e23;--color-text-secondary: #5a7265;--color-text-muted: #8fa89a;--color-text-on-primary: #ffffff;--color-success-bg: #ecfdf3;--color-success-text: #065f46;--color-success-border: #a7f3d0;--color-error-bg: #fef2f2;--color-error-text: #991b1b;--color-error-border: #fecaca;--color-info-bg: #eff6ff;--color-info-text: #1e40af;--color-info-border: #bfdbfe;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--shadow-sm: 0 1px 2px rgba(0, 0, 0, .04);--shadow-md: 0 4px 12px rgba(0, 0, 0, .06);--shadow-lg: 0 8px 30px rgba(0, 0, 0, .08);--shadow-card: 0 1px 3px rgba(0, 0, 0, .04), 0 8px 24px rgba(0, 0, 0, .06);--transition-fast: .15s ease;--transition-base: .25s ease;--transition-slow: .35s cubic-bezier(.4, 0, .2, 1)}html{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:16px;line-height:1.6;color:var(--color-text);background:var(--color-bg);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{min-height:100vh;display:flex;align-items:flex-start;justify-content:center;padding:40px 20px;background:radial-gradient(ellipse at 20% 0%,rgba(65,129,92,.06) 0%,transparent 50%),radial-gradient(ellipse at 80% 100%,rgba(65,129,92,.04) 0%,transparent 50%),var(--color-bg)}.app{width:100%;max-width:520px;display:flex;flex-direction:column;gap:24px}.header{text-align:center;padding:8px 0}.logo{display:flex;align-items:center;justify-content:center;gap:10px;margin-bottom:8px;color:var(--color-primary)}.logo h1{font-size:1.5rem;font-weight:700;letter-spacing:-.02em;color:var(--color-text)}.subtitle{font-size:.9rem;color:var(--color-text-secondary);font-weight:400}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius-lg);padding:28px;box-shadow:var(--shadow-card)}.form-group{margin-bottom:20px}.form-group:last-child{margin-bottom:0}label{display:block;font-size:.85rem;font-weight:600;color:var(--color-text);margin-bottom:6px;letter-spacing:.01em}.input-wrapper,.select-wrapper{position:relative;display:flex;align-items:center}.input-icon{position:absolute;left:14px;color:var(--color-text-muted);pointer-events:none;transition:color var(--transition-fast);flex-shrink:0}input[type=url],select{width:100%;padding:12px 14px 12px 42px;font-family:inherit;font-size:.9rem;color:var(--color-text);background:var(--color-surface);border:1.5px solid var(--color-border);border-radius:var(--radius-md);outline:none;transition:all var(--transition-fast);-moz-appearance:none;appearance:none;-webkit-appearance:none}input[type=url]::placeholder{color:var(--color-text-muted)}input[type=url]:hover,select:hover{border-color:#c5d4cc;background:var(--color-surface-hover)}input[type=url]:focus,select:focus{border-color:var(--color-border-focus);box-shadow:0 0 0 3px var(--color-primary-glow);background:var(--color-surface)}input[type=url]:focus~.input-icon,select:focus~.input-icon,.input-wrapper:focus-within .input-icon,.select-wrapper:focus-within .input-icon{color:var(--color-primary)}.select-wrapper{position:relative}.select-arrow{position:absolute;right:14px;color:var(--color-text-muted);pointer-events:none;transition:color var(--transition-fast)}.select-wrapper:focus-within .select-arrow{color:var(--color-primary)}select{cursor:pointer;padding-right:42px}select option{color:var(--color-text);background:var(--color-surface);padding:8px}select option[disabled]{color:var(--color-text-muted)}.btn-translate{width:100%;display:flex;align-items:center;justify-content:center;gap:8px;padding:14px 24px;margin-top:4px;font-family:inherit;font-size:.95rem;font-weight:600;color:var(--color-text-on-primary);background:var(--color-primary);border:none;border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-base);position:relative;overflow:hidden}.btn-translate:before{content:"";position:absolute;top:0;right:0;bottom:0;left:0;background:linear-gradient(135deg,rgba(255,255,255,.1) 0%,transparent 50%);opacity:0;transition:opacity var(--transition-fast)}.btn-translate:hover{background:var(--color-primary-hover);box-shadow:0 4px 16px var(--color-primary-glow);transform:translateY(-1px)}.btn-translate:hover:before{opacity:1}.btn-translate:active{transform:translateY(0);box-shadow:0 2px 8px var(--color-primary-glow)}.btn-translate:disabled{opacity:.65;cursor:not-allowed;transform:none;box-shadow:none}.btn-translate:disabled:before{opacity:0}.btn-icon{flex-shrink:0}.btn-translate.loading .btn-icon{animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.status-message{margin-top:16px;padding:12px 16px;border-radius:var(--radius-sm);font-size:.85rem;font-weight:500;display:flex;align-items:center;gap:8px;animation:slideIn var(--transition-slow) forwards}.status-message[hidden]{display:none}.status-message.success{background:var(--color-success-bg);color:var(--color-success-text);border:1px solid var(--color-success-border)}.status-message.error{background:var(--color-error-bg);color:var(--color-error-text);border:1px solid var(--color-error-border)}.status-message.info{background:var(--color-info-bg);color:var(--color-info-text);border:1px solid var(--color-info-border)}@keyframes slideIn{0%{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:translateY(0)}}.settings-section{margin-top:20px;border-top:1px solid var(--color-border);padding-top:16px}.settings-toggle{width:100%;display:flex;align-items:center;gap:8px;padding:10px 4px;font-family:inherit;font-size:.82rem;font-weight:500;color:var(--color-text-secondary);background:transparent;border:none;cursor:pointer;border-radius:var(--radius-sm);transition:all var(--transition-fast)}.settings-toggle:hover{color:var(--color-primary);background:var(--color-primary-light)}.settings-icon{flex-shrink:0}.settings-toggle span{flex:1;text-align:left}.chevron{transition:transform var(--transition-base);flex-shrink:0}.settings-toggle.open .chevron{transform:rotate(180deg)}.settings-panel{overflow:hidden;max-height:0;opacity:0;transition:max-height var(--transition-slow),opacity var(--transition-base),padding var(--transition-base);padding:0 4px}.settings-panel.open{max-height:200px;opacity:1;padding:16px 4px 4px}.helper-text{margin-top:6px;font-size:.75rem;color:var(--color-text-muted)}.footer{text-align:center;padding:8px 0}.footer p{font-size:.78rem;color:var(--color-text-muted);letter-spacing:.02em}@media(max-width:480px){body{padding:24px 16px}.card{padding:20px}.logo h1{font-size:1.3rem}}