:root{--brand: #dc2626;--brand-dark: #b91c1c;--brand-light: #fee2e2;--ink: #1f2937;--ink-soft: #6b7280;--border: #e5e7eb;--bg: #f9fafb;--card: #ffffff;--radius: 14px;--shadow: 0 1px 3px rgba(0, 0, 0, .06), 0 6px 20px rgba(0, 0, 0, .04)}*{box-sizing:border-box}html,body{margin:0;padding:0}body{font-family:Cairo,Segoe UI,Tahoma,sans-serif;background:var(--bg);color:var(--ink);line-height:1.6}a{color:inherit;text-decoration:none}button{font-family:inherit}.container{max-width:1080px;margin:0 auto;padding:0 20px}.app-shell{min-height:100vh;display:flex;flex-direction:column}.site-header{background:var(--card);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:10}.header-inner{display:flex;align-items:center;justify-content:space-between;padding:14px 20px;flex-wrap:wrap;gap:12px}.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.2rem}.brand-badge{background:var(--brand);color:#fff;font-size:.75rem;font-weight:800;padding:4px 8px;border-radius:8px}.main-nav{display:flex;gap:18px;flex-wrap:wrap}.main-nav a{color:var(--ink-soft);font-weight:600;font-size:.95rem;padding:6px 4px;border-bottom:2px solid transparent}.main-nav a:hover,.main-nav a.active{color:var(--brand);border-bottom-color:var(--brand)}.main-content{flex:1;padding:40px 20px 60px}.site-footer{border-top:1px solid var(--border);background:var(--card);padding:20px 0}.footer-inner{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px;color:var(--ink-soft);font-size:.9rem}.footer-links{display:flex;gap:16px}.footer-links a:hover{color:var(--brand)}.hero{text-align:center;margin-bottom:44px}.hero h1{font-size:2.2rem;font-weight:800;margin-bottom:12px}.hero p{color:var(--ink-soft);font-size:1.05rem;max-width:620px;margin:0 auto}.tool-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:18px}.tool-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:24px;display:flex;flex-direction:column;gap:8px;box-shadow:var(--shadow);transition:transform .15s ease,border-color .15s ease}.tool-card:hover{transform:translateY(-3px);border-color:var(--brand)}.tool-icon{width:44px;height:44px;border-radius:12px;background:var(--brand-light);color:var(--brand);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:1.1rem}.tool-card h3{margin:4px 0 0;font-size:1.05rem}.tool-card p{margin:0;color:var(--ink-soft);font-size:.9rem}.tool-page{max-width:720px;margin:0 auto}.tool-page h1{font-size:1.7rem;margin-bottom:6px}.tool-page>p.lead{color:var(--ink-soft);margin-bottom:28px}.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);margin-bottom:20px}.dropzone{border:2px dashed var(--border);border-radius:var(--radius);padding:40px 20px;text-align:center;cursor:pointer;transition:border-color .15s ease,background .15s ease;background:var(--bg)}.dropzone.active{border-color:var(--brand);background:var(--brand-light)}.dropzone input{display:none}.dropzone .hint{color:var(--ink-soft);font-size:.85rem;margin-top:6px}.file-list{display:flex;flex-direction:column;gap:8px;margin-top:16px}.file-row{display:flex;align-items:center;justify-content:space-between;background:var(--bg);border:1px solid var(--border);border-radius:10px;padding:10px 14px;font-size:.9rem}.file-row button{background:none;border:none;color:var(--ink-soft);cursor:pointer;font-size:1rem}.file-row button:hover{color:var(--brand)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--brand);color:#fff;border:none;border-radius:10px;padding:12px 22px;font-weight:700;font-size:.95rem;cursor:pointer;transition:background .15s ease,opacity .15s ease}.btn:hover{background:var(--brand-dark)}.btn:disabled{opacity:.55;cursor:not-allowed}.btn-secondary{background:var(--bg);color:var(--ink);border:1px solid var(--border)}.btn-secondary:hover{background:#f3f4f6}.field{margin-bottom:16px}.field label{display:block;font-weight:600;font-size:.9rem;margin-bottom:6px}.field select,.field input[type=text],.field input[type=number],.field input[type=email],.field input[type=tel],.field textarea{width:100%;padding:10px 12px;border-radius:8px;border:1px solid var(--border);font-family:inherit;font-size:.95rem;background:#fff}.radio-group{display:flex;gap:10px;flex-wrap:wrap}.radio-group label{display:flex;align-items:center;gap:6px;border:1px solid var(--border);border-radius:8px;padding:8px 14px;cursor:pointer;font-size:.9rem;font-weight:500}.radio-group input{accent-color:var(--brand)}.alert{border-radius:10px;padding:12px 16px;font-size:.9rem;margin-bottom:16px}.alert-error{background:#fef2f2;color:#b91c1c;border:1px solid #fecaca}.alert-success{background:#f0fdf4;color:#166534;border:1px solid #bbf7d0}.spinner{width:18px;height:18px;border:2.5px solid rgba(255,255,255,.4);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.static-page h1{font-size:1.8rem;margin-bottom:18px}.static-page h2{font-size:1.2rem;margin-top:26px}.static-page p,.static-page li{color:var(--ink-soft)}.static-page{max-width:760px;margin:0 auto}.error-fallback{text-align:center;padding:80px 20px}@media (max-width: 640px){.header-inner{flex-direction:column;align-items:flex-start}}