:root{--primary-bg: #F7F8FA;--secondary-bg: #EEF1F5;--primary-accent: #4F7DF3;--secondary-accent: #6CBDB5;--text-primary: #1F2933;--text-secondary: #6B7280;--border-color: #DDE1E6;--white: #FFFFFF;--success: #5FB3A2;--warning: #F2C94C;--error: #E57373;--sidebar-width: 280px;--header-height: 80px;--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--shadow-subtle: 0 1px 3px rgba(0, 0, 0, .02), 0 1px 2px rgba(0, 0, 0, .04);--shadow-premium: 0 10px 15px -3px rgba(0, 0, 0, .04), 0 4px 6px -2px rgba(0, 0, 0, .02);--glass-bg: rgba(255, 255, 255, .8);--transition: all .25s cubic-bezier(.4, 0, .2, 1)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,system-ui,-apple-system,sans-serif;font-size:14px;line-height:1.5;color:var(--text-primary);background-color:var(--primary-bg)}#app{display:flex;min-height:100vh}.sidebar{width:var(--sidebar-width);background-color:var(--white);border-right:1px solid var(--border-color);display:flex;flex-direction:column;position:fixed;height:100vh;padding:32px 24px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.logo-container{display:flex;flex-direction:column;align-items:flex-start;gap:8px;margin-bottom:48px}.brand-logo{height:40px;width:auto;filter:drop-shadow(0 4px 6px rgba(79,125,243,.15))}.company-name-placeholder{font-size:1.1rem;font-weight:600!important;color:var(--text-primary)!important;letter-spacing:-.02em}.sidebar-nav{display:flex;flex-direction:column;gap:4px;flex:1}.nav-item{display:flex;justify-content:space-between;align-items:center;padding:12px 16px;text-decoration:none;color:var(--text-secondary);border-radius:var(--radius-md);font-weight:500;transition:var(--transition);margin-bottom:4px}.nav-item:hover{background-color:var(--secondary-bg);color:var(--text-primary);transform:translate(4px)}.nav-item.active{background-color:var(--primary-bg);color:var(--primary-accent);box-shadow:var(--shadow-subtle)}.nav-credits{font-size:10px;padding:4px 8px;background-color:var(--white);border-radius:6px;color:var(--text-secondary);border:1px solid var(--border-color)}.nav-divider{height:1px;background-color:var(--border-color);margin:12px 0}.sidebar-footer{margin-top:auto;padding-top:24px;display:flex;flex-direction:column;gap:16px}.credits-info{display:flex;flex-direction:column;background:var(--primary-bg);padding:16px;border-radius:var(--radius-md);border:1px solid var(--border-color)}.credits-label{font-size:11px;text-transform:uppercase;letter-spacing:.05em;color:var(--text-secondary);margin-bottom:4px}.credits-value{font-size:24px;font-weight:700;color:var(--primary-accent)}.primary-btn{background-color:var(--primary-accent);color:var(--white);border:none;padding:14px 24px;border-radius:var(--radius-md);font-weight:600;cursor:pointer;transition:var(--transition);width:100%;display:inline-flex;align-items:center;justify-content:center;gap:8px;box-shadow:0 4px 10px #4f7df333}.primary-btn:hover{filter:brightness(1.05);transform:translateY(-2px);box-shadow:0 6px 15px #4f7df34d}.primary-btn:active{transform:translateY(0)}.secondary-btn{background-color:var(--white);color:var(--text-secondary);border:1px solid var(--border-color);padding:10px 16px;border-radius:var(--radius-md);font-weight:500;cursor:pointer;transition:var(--transition)}.secondary-btn:hover{background-color:var(--secondary-bg);color:var(--text-primary);border-color:var(--text-secondary)}.main-content{margin-left:var(--sidebar-width);flex:1;display:flex;flex-direction:column}.page-header{height:var(--header-height);padding:0 40px;display:flex;align-items:center;background:var(--glass-bg);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--border-color);position:sticky;top:0;z-index:100}.page-header h1{font-size:24px;font-weight:700;letter-spacing:-.01em}.screen-container{padding:40px;max-width:1200px;width:100%;margin:0 auto}.workspace{display:grid;grid-template-columns:1fr 1.5fr;gap:32px}.input-section,.output-section{display:flex;flex-direction:column;gap:24px}.card{background-color:var(--white);border-radius:var(--radius-lg);padding:32px;box-shadow:var(--shadow-premium);border:1px solid rgba(0,0,0,.02);transition:var(--transition)}.card:hover{box-shadow:0 15px 30px -5px #0000000d}.form-group{display:flex;flex-direction:column;gap:8px;margin-bottom:20px}.form-group label{font-size:13px;font-weight:500;color:var(--text-secondary)}input[type=text],input[type=email],input[type=number],textarea,select{width:100%;padding:14px 16px;border:1px solid var(--border-color);border-radius:var(--radius-md);font-family:inherit;font-size:14px;background-color:var(--primary-bg);transition:var(--transition);color:var(--text-primary)}input:focus,textarea:focus,select:focus{outline:none;border-color:var(--primary-accent);background-color:var(--white);box-shadow:0 0 0 4px #4f7df31a}textarea{resize:vertical;min-height:140px;line-height:1.6}.placeholder-content{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;color:var(--text-secondary);text-align:center;min-height:480px}.spinner{width:48px;height:48px;border:4px solid var(--secondary-bg);border-top:4px solid var(--primary-accent);border-radius:50%;animation:spin 1s linear infinite;margin-bottom:20px}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.copy-btn{display:flex;align-items:center;gap:8px;background:var(--white);border:1px solid var(--border-color);padding:10px 16px;border-radius:var(--radius-md);color:var(--text-primary);font-size:13px;font-weight:500;cursor:pointer;transition:var(--transition);margin-top:12px;width:fit-content}.copy-btn:hover{background:var(--secondary-bg);border-color:var(--text-secondary)}.copy-btn svg{color:var(--primary-accent)}.result-content{display:flex;flex-direction:column;gap:24px;animation:slideUp .4s ease-out}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}.image-preview{width:100%;aspect-ratio:16 / 9;background-color:var(--secondary-bg);border-radius:8px;overflow:hidden;display:flex;align-items:center;justify-content:center}.image-preview img{width:100%;height:100%;object-fit:cover}.text-output{white-space:pre-wrap;background-color:var(--secondary-bg);padding:20px;border-radius:8px;font-size:15px;line-height:1.6}.modal-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background-color:#1f293366;display:flex;align-items:center;justify-content:center;z-index:1000;opacity:1;transition:opacity .3s ease}.modal-overlay.hidden{display:none;opacity:0}.modal-content{background-color:var(--white);border-radius:16px;padding:40px;width:90%;max-width:800px;position:relative;box-shadow:0 20px 40px #0000001a}.close-modal{position:absolute;top:20px;right:20px;background:none;border:none;font-size:24px;cursor:pointer;color:var(--text-secondary)}.modal-title{text-align:center;margin-bottom:32px;font-size:24px}.pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.pricing-card{border:1px solid var(--border-color);border-radius:12px;padding:24px;text-align:center;display:flex;flex-direction:column;gap:12px;position:relative;transition:var(--transition)}.pricing-card.highlighted{border-color:var(--primary-accent);background-color:#f0f4ff;transform:scale(1.05)}.badge{position:absolute;top:-12px;left:50%;transform:translate(-50%);background-color:var(--primary-accent);color:var(--white);padding:4px 12px;border-radius:20px;font-size:11px;font-weight:600}.price{font-size:32px;font-weight:700;color:var(--text-primary)}.upgrade-select{margin-top:auto;background-color:var(--white);border:1px solid var(--primary-accent);color:var(--primary-accent);padding:10px;border-radius:8px;font-weight:600;cursor:pointer;transition:var(--transition)}.highlighted .upgrade-select,.upgrade-select:hover{background-color:var(--primary-accent);color:var(--white)}.text-center{text-align:center}.qr-container{margin:24px auto;padding:24px;background:#fff;display:inline-block;border-radius:12px;border:1px solid var(--border-color)}.brand-text{margin-top:12px;font-weight:700;color:#5f6368;font-size:18px}#auth-container{display:flex;justify-content:center;align-items:center;min-height:100vh;background:var(--primary-bg);font-family:Inter,sans-serif;color:var(--text-primary);position:relative;z-index:100}.auth-card{background:var(--white);border:1px solid var(--border-color);padding:48px;border-radius:var(--radius-lg);width:100%;max-width:480px;box-shadow:var(--shadow-premium);text-align:center;animation:slideUp .5s ease}.auth-card h1{font-size:2.5rem;margin-bottom:8px;color:var(--text-primary);font-weight:800;letter-spacing:-.04em}.auth-card p{color:var(--text-secondary);margin-bottom:32px;font-size:15px}.form-group{margin-bottom:24px;text-align:left}.form-group label{display:block;font-size:13px;font-weight:600;margin-bottom:8px;color:var(--text-secondary)}input.form-input,select.form-select,textarea.form-textarea{width:100%;padding:14px 16px;background-color:var(--primary-bg)!important;border:1px solid var(--border-color)!important;border-radius:var(--radius-md);color:var(--text-primary)!important;font-size:14px;transition:var(--transition)}input.form-input:focus,select.form-select:focus,textarea.form-textarea:focus{outline:none;border-color:var(--primary-accent)!important;background-color:var(--white)!important;box-shadow:0 0 0 4px #4f7df31a!important}.btn-primary{width:100%;padding:16px;background:var(--primary-accent);color:var(--white);border:none;border-radius:var(--radius-md);font-size:16px;font-weight:600;cursor:pointer;transition:var(--transition);margin-top:16px;box-shadow:0 4px 12px #4f7df34d}.btn-primary:hover{filter:brightness(1.05);transform:translateY(-2px);box-shadow:0 6px 20px #4f7df366}.auth-link{margin-top:32px;font-size:14px;color:var(--text-secondary)}.auth-link a{color:var(--primary-accent);text-decoration:none;font-weight:600}.auth-link a:hover{text-decoration:underline}#app{display:none}@media(max-width:768px){:root{--sidebar-width: 260px}.sidebar{transform:translate(-100%);z-index:1000;transition:transform .3s ease;box-shadow:2px 0 10px #0000001a}.sidebar.open{transform:translate(0)}.main-content{margin-left:0;width:100%}.page-header{padding:0 16px;gap:12px;display:flex;justify-content:space-between;align-items:center;flex-wrap:nowrap}.page-subtitle{display:none}#page-title{font-size:18px;margin:0}#user-profile-section{margin-left:initial!important;gap:8px!important}.mobile-menu-btn{display:flex!important;background:none;border:none;font-size:24px;cursor:pointer;color:var(--text-primary);padding:4px}.sidebar-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:#00000080;z-index:999;opacity:0;visibility:hidden;transition:opacity .3s ease}.sidebar-overlay.visible{opacity:1;visibility:visible}.workspace{grid-template-columns:1fr;gap:24px}.pricing-grid{grid-template-columns:1fr}.screen-container{padding:20px}}.mobile-menu-btn{display:none}