:root{--navy: #0f1e3d;--navy-light: #1a2f5a;--gold: #c8a050;--gold-light: #e2b96a;--gold-pale: #fdf6e8;--bg: #f7f8fc;--surface: #ffffff;--surface-2: #f0f2f8;--border: #e2e6f0;--border-strong: #c8ccdc;--text-primary: #0f1e3d;--text-secondary: #4a5568;--text-muted: #8896b0;--success: #16a34a;--success-bg: #f0fdf4;--error: #dc2626;--error-bg: #fef2f2;--warning: #d97706;--warning-bg: #fffbeb;--grammar-color: #4f46e5;--grammar-bg: #eef2ff;--paraphrase-color: #0891b2;--paraphrase-bg: #ecfeff;--reducer-color: #059669;--reducer-bg: #ecfdf5;--tone-color: #7c3aed;--tone-bg: #f5f3ff;--abstract-color: #dc2626;--abstract-bg: #fff1f2;--translate-color: #ea580c;--translate-bg: #fff7ed;--radius: 12px;--radius-sm: 8px;--radius-lg: 16px;--radius-xl: 24px;--shadow-sm: 0 1px 3px rgba(15,30,61,.08);--shadow: 0 4px 16px rgba(15,30,61,.1);--shadow-lg: 0 12px 40px rgba(15,30,61,.14);--shadow-gold: 0 4px 20px rgba(200,160,80,.25)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-font-smoothing:antialiased;scroll-behavior:smooth}body{font-family:Inter,system-ui,sans-serif;background:var(--bg);color:var(--text-primary);line-height:1.6;min-height:100vh}h1,h2,h3,h4{font-family:Playfair Display,Georgia,serif;line-height:1.2;color:var(--navy)}h1{font-size:clamp(1.8rem,4vw,2.8rem)}h2{font-size:clamp(1.5rem,3vw,2.2rem)}h3{font-size:clamp(1.2rem,2vw,1.6rem)}p{color:var(--text-secondary)}a{color:var(--gold);text-decoration:none;transition:color .2s}a:hover{color:var(--gold-light)}.btn{display:inline-flex;align-items:center;gap:8px;padding:10px 20px;border-radius:var(--radius-sm);font-size:.9rem;font-weight:600;font-family:Inter,sans-serif;cursor:pointer;border:none;transition:all .2s ease;text-decoration:none;white-space:nowrap}.btn-primary{background:linear-gradient(135deg,var(--navy) 0%,var(--navy-light) 100%);color:#fff;box-shadow:var(--shadow-sm)}.btn-primary:hover{transform:translateY(-1px);box-shadow:var(--shadow)}.btn-gold{background:linear-gradient(135deg,var(--gold) 0%,var(--gold-light) 100%);color:#fff;box-shadow:var(--shadow-gold)}.btn-gold:hover{transform:translateY(-1px);box-shadow:0 8px 24px #c8a05059}.btn-outline{background:transparent;color:var(--navy);border:1.5px solid var(--border-strong)}.btn-outline:hover{border-color:var(--navy);background:var(--surface-2)}.btn-ghost{background:transparent;color:var(--text-secondary);padding:8px 12px}.btn-ghost:hover{background:var(--surface-2);color:var(--text-primary)}.btn:disabled{opacity:.55;cursor:not-allowed;transform:none!important}.btn-lg{padding:14px 28px;font-size:1rem;border-radius:var(--radius)}.btn-sm{padding:6px 14px;font-size:.8rem;border-radius:var(--radius-sm)}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);overflow:hidden}.card-hover{transition:all .25s ease;cursor:pointer}.card-hover:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--gold)}.form-group{display:flex;flex-direction:column;gap:6px}.form-label{font-size:.85rem;font-weight:600;color:var(--text-primary);letter-spacing:.01em}.form-input,.form-textarea,.form-select{width:100%;padding:10px 14px;border:1.5px solid var(--border);border-radius:var(--radius-sm);font-size:.9rem;font-family:Inter,sans-serif;color:var(--text-primary);background:var(--surface);transition:border-color .2s,box-shadow .2s;outline:none}.form-input:focus,.form-textarea:focus,.form-select:focus{border-color:var(--gold);box-shadow:0 0 0 3px #c8a0501f}.form-textarea{resize:vertical;min-height:180px;line-height:1.7}.badge{display:inline-flex;align-items:center;gap:4px;padding:3px 10px;border-radius:100px;font-size:.72rem;font-weight:600;letter-spacing:.04em;text-transform:uppercase}.badge-gold{background:var(--gold-pale);color:var(--gold);border:1px solid rgba(200,160,80,.3)}.badge-navy{background:#0f1e3d14;color:var(--navy)}.badge-free{background:var(--success-bg);color:var(--success)}.navbar{position:sticky;top:0;z-index:100;background:#fffffff2;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid var(--border);padding:0 clamp(16px,4vw,48px);height:64px;display:flex;align-items:center;justify-content:space-between;gap:16px}.navbar-brand{display:flex;align-items:center;gap:10px;text-decoration:none}.navbar-logo{height:36px;width:auto}.navbar-subtitle{font-size:.72rem;font-weight:600;letter-spacing:.12em;text-transform:uppercase;color:var(--gold);padding:2px 8px;border-radius:4px;border:1px solid rgba(200,160,80,.3);background:var(--gold-pale)}.navbar-nav{display:flex;align-items:center;gap:8px}.user-avatar{width:36px;height:36px;border-radius:50%;border:2px solid var(--gold);cursor:pointer;object-fit:cover}.user-avatar-placeholder{width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,var(--navy),var(--navy-light));border:2px solid var(--gold);display:flex;align-items:center;justify-content:center;color:#fff;font-size:.8rem;font-weight:700;cursor:pointer}.page-container{max-width:1200px;margin:0 auto;padding:clamp(24px,4vw,48px) clamp(16px,4vw,32px)}.page-container-narrow{max-width:840px;margin:0 auto;padding:clamp(24px,4vw,48px) clamp(16px,4vw,32px)}.tool-page{min-height:calc(100vh - 64px)}.tool-header{padding:clamp(24px,4vw,48px) clamp(16px,4vw,32px) 0;max-width:1200px;margin:0 auto}.tool-body{max-width:1200px;margin:0 auto;padding:24px clamp(16px,4vw,32px) 48px;display:grid;grid-template-columns:1fr 1fr;gap:20px}@media (max-width: 768px){.tool-body{grid-template-columns:1fr}}.tool-panel{background:var(--surface);border:1.5px solid var(--border);border-radius:var(--radius-lg);display:flex;flex-direction:column;overflow:hidden;min-height:460px}.tool-panel-header{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;border-bottom:1px solid var(--border);background:var(--surface-2)}.tool-panel-label{font-size:.78rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--text-muted)}.tool-panel-body{flex:1;padding:16px;display:flex;flex-direction:column;gap:12px}.tool-textarea{flex:1;resize:none;border:none;outline:none;font-size:.92rem;line-height:1.75;color:var(--text-primary);font-family:Inter,sans-serif;background:transparent;min-height:320px}.tool-output{flex:1;font-size:.92rem;line-height:1.75;color:var(--text-primary);white-space:pre-wrap;min-height:320px;overflow-y:auto}.tool-output.placeholder{color:var(--text-muted);font-style:italic;display:flex;align-items:center;justify-content:center;text-align:center}.word-count{font-size:.75rem;color:var(--text-muted);text-align:right}.tool-actions{max-width:1200px;margin:0 auto;padding:0 clamp(16px,4vw,32px) 32px;display:flex;align-items:center;gap:12px;flex-wrap:wrap}.spinner{width:20px;height:20px;border:2.5px solid var(--border);border-top-color:var(--gold);border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.typing-cursor:after{content:"|";animation:blink .8s step-end infinite;color:var(--gold)}@keyframes blink{50%{opacity:0}}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--navy) 0%,var(--navy-light) 50%,#1e3a6e 100%);padding:24px;position:relative;overflow:hidden}.login-page:before{content:"";position:absolute;width:600px;height:600px;border-radius:50%;background:radial-gradient(circle,rgba(200,160,80,.12) 0%,transparent 70%);top:-200px;right:-200px}.login-page:after{content:"";position:absolute;width:400px;height:400px;border-radius:50%;background:radial-gradient(circle,rgba(200,160,80,.08) 0%,transparent 70%);bottom:-100px;left:-100px}.login-card{background:#fff;border-radius:var(--radius-xl);padding:clamp(32px,5vw,56px);width:100%;max-width:440px;box-shadow:0 32px 80px #0000004d;position:relative;z-index:1;text-align:center}.google-btn{width:100%;padding:14px 24px;border:1.5px solid var(--border);border-radius:var(--radius);background:#fff;font-size:.95rem;font-weight:600;color:var(--text-primary);cursor:pointer;display:flex;align-items:center;justify-content:center;gap:12px;transition:all .2s;font-family:Inter,sans-serif}.google-btn:hover{border-color:var(--navy);background:var(--bg);transform:translateY(-1px);box-shadow:var(--shadow)}.tools-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:20px;margin-top:32px}.tool-card{background:var(--surface);border:1.5px solid var(--border);border-radius:var(--radius-lg);padding:28px;cursor:pointer;transition:all .25s ease;display:flex;flex-direction:column;gap:14px;text-decoration:none}.tool-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}.tool-card-icon{width:52px;height:52px;border-radius:var(--radius);display:flex;align-items:center;justify-content:center;flex-shrink:0}.tool-card-title{font-family:Playfair Display,serif;font-size:1.1rem;color:var(--navy);font-weight:700}.tool-card-desc{font-size:.87rem;color:var(--text-secondary);line-height:1.6}.tool-card-footer{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:8px}.divider{border:none;border-top:1px solid var(--border);margin:24px 0}.alert{padding:12px 16px;border-radius:var(--radius-sm);font-size:.87rem;display:flex;align-items:flex-start;gap:10px;line-height:1.5}.alert-info{background:#eff6ff;color:#1e40af;border:1px solid #bfdbfe}.alert-warning{background:var(--warning-bg);color:var(--warning);border:1px solid #fcd34d}.tabs{display:flex;gap:4px;background:var(--surface-2);padding:4px;border-radius:var(--radius-sm);border:1px solid var(--border)}.tab{flex:1;padding:8px 16px;border-radius:6px;font-size:.85rem;font-weight:600;font-family:Inter,sans-serif;cursor:pointer;border:none;background:transparent;color:var(--text-muted);transition:all .2s}.tab.active{background:#fff;color:var(--navy);box-shadow:var(--shadow-sm)}.progress-bar{height:3px;background:var(--border);border-radius:100px;overflow:hidden}.progress-fill{height:100%;background:linear-gradient(90deg,var(--gold),var(--gold-light));border-radius:100px;transition:width .3s ease}.toast{position:fixed;bottom:24px;right:24px;padding:12px 20px;border-radius:var(--radius);background:var(--navy);color:#fff;font-size:.875rem;font-weight:500;box-shadow:var(--shadow-lg);z-index:1000;animation:slideUp .3s ease}@keyframes slideUp{0%{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}@media (max-width: 640px){.hide-mobile{display:none!important}.tools-grid{grid-template-columns:1fr}.navbar-subtitle{display:none}}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--border-strong);border-radius:100px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}