@import url("https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&display=swap");:root{--bg-page:#f4f6fb;--bg-card:#ffffff;--bg-sub-blue:#edf3fc;--bg-sub-purple:#f3e8ff;--bg-sub-green:#e6f4ea;--bg-sub-pink:#fce7f3;--bg-sub-slate:#f1f5f9;--text-main:#0f172a;--text-muted:#64748b;--text-sub:#475569;--border-color:rgba(15,23,42,0.08);--accent-blue:#2563eb;--accent-purple:#7c3aed;--accent-green:#059669;--accent-pink:#db2777;--accent-red:#dc2626;--font-sans:"Plus Jakarta Sans",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;--radius-lg:20px;--radius-md:14px;--radius-sm:8px;--nav-bg:rgba(255,255,255,0.88)}[data-theme=dark]{--bg-page:#0b0f19;--bg-card:#151c2c;--bg-sub-blue:#1e293b;--bg-sub-purple:#251e3e;--bg-sub-green:#142e27;--bg-sub-pink:#341a2a;--bg-sub-slate:#1e293b;--text-main:#f8fafc;--text-muted:#94a3b8;--text-sub:#cbd5e1;--border-color:rgba(255,255,255,0.08);--accent-blue:#3b82f6;--accent-purple:#8b5cf6;--accent-green:#10b981;--accent-pink:#ec4899;--accent-red:#ef4444;--nav-bg:rgba(21,28,44,0.88)}*{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;font-family:var(--font-sans)}body{background-color:var(--bg-page);color:var(--text-main);line-height:1.5;transition:background-color .3s ease,color .3s ease;min-height:100vh}.navbar{position:sticky;top:0;z-index:100;background:var(--nav-bg);backdrop-filter:blur(12px);border-bottom:1px solid var(--border-color);padding:.85rem 1.5rem;transition:background-color .3s ease}.nav-container{max-width:1200px;margin:0 auto;justify-content:space-between}.nav-brand,.nav-container{display:flex;align-items:center}.nav-brand{gap:.6rem;font-weight:800;font-size:1.25rem;color:var(--text-main);text-decoration:none}.brand-icon{width:36px;height:36px;border-radius:10px;background:var(--accent-blue);color:#fff;justify-content:center}.brand-icon,.nav-links{display:flex;align-items:center}.nav-links{gap:.5rem}.nav-link{color:var(--text-sub);text-decoration:none;font-weight:600;font-size:.9rem;padding:.5rem .9rem;border-radius:10px;transition:all .2s ease}.nav-link:hover{background:var(--bg-sub-blue);color:var(--accent-blue)}.nav-controls{display:flex;align-items:center;gap:.75rem}.theme-toggle-btn{background:var(--bg-card);border:1px solid var(--border-color);color:var(--text-main);width:40px;height:40px;border-radius:12px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:all .2s ease}.theme-toggle-btn:hover{border-color:var(--accent-blue);color:var(--accent-blue)}.admin-link-btn{background:var(--accent-blue);color:#ffffff;padding:.5rem 1rem;border-radius:10px;font-weight:700;font-size:.85rem;text-decoration:none;display:flex;align-items:center;gap:.4rem;transition:opacity .2s ease}.admin-link-btn:hover{opacity:.9}.hero-section{max-width:1200px;margin:2rem auto 2.5rem;padding:0 1.5rem;text-align:center}.hero-subtitle-top{display:inline-flex;align-items:center;gap:.4rem;background:var(--bg-sub-blue);color:var(--accent-blue);padding:.4rem 1rem;border-radius:30px;font-size:.8rem;font-weight:800;letter-spacing:.05em;text-transform:uppercase;margin-bottom:1rem}.hero-title{font-size:2.5rem;font-weight:800;line-height:1.2;margin-bottom:.75rem;color:var(--text-main)}.hero-title span{color:var(--accent-blue)}.hero-desc{color:var(--text-muted);font-size:1.05rem;max-width:680px;margin:0 auto}.app-container{max-width:1200px;margin:0 auto 4rem;padding:0 1.5rem;display:flex;flex-direction:column;gap:3.5rem}.section-header{margin-bottom:1.25rem}.section-breadcrumb{font-size:.8rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--text-muted);margin-bottom:.25rem}.section-title{font-size:1.6rem;font-weight:800;color:var(--text-main);display:flex;align-items:center;gap:.6rem}.section-badge-icon{width:32px;height:32px;border-radius:8px;display:inline-flex;align-items:center;justify-content:center;color:#fff}.calculator-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem;align-items:stretch}@media (max-width:900px){.calculator-grid{grid-template-columns:1fr}}.flat-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:1.5rem;flex-direction:column;box-shadow:0 4px 20px rgba(0,0,0,.02);transition:background-color .3s ease,border-color .3s ease}.card-top,.flat-card{display:flex;justify-content:space-between}.card-top{align-items:center;margin-bottom:1.25rem}.card-title-group{display:flex;align-items:center;gap:.6rem}.card-title-icon{width:36px;height:36px;border-radius:10px;display:flex;align-items:center;justify-content:center}.card-title-text{font-size:1.15rem;font-weight:800;color:var(--text-main)}.card-arrow-btn{width:32px;height:32px;border-radius:8px;background:var(--bg-sub-slate);color:var(--text-muted);justify-content:center;border:none}.accent-banner,.card-arrow-btn{display:flex;align-items:center}.accent-banner{border-radius:var(--radius-md);padding:1.25rem 1.5rem;color:#ffffff;justify-content:space-between;margin-bottom:1.25rem}.accent-banner.blue{background:var(--accent-blue)}.accent-banner.purple{background:var(--accent-purple)}.accent-banner.green{background:var(--accent-green)}.accent-banner.pink{background:var(--accent-pink)}.accent-banner-label{font-size:.8rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;opacity:.9}.accent-banner-value{font-size:1.8rem;font-weight:800;line-height:1.2}.accent-banner-icon{width:42px;height:42px;border-radius:10px;background:rgba(255,255,255,.2);display:flex;align-items:center;justify-content:center}.sub-grid{display:grid;grid-template-columns:1fr 1fr;gap:.85rem;margin-bottom:1.25rem}.sub-box{border-radius:var(--radius-md);padding:1rem 1.15rem;display:flex;flex-direction:column;gap:.25rem}.sub-box.blue{background:var(--bg-sub-blue)}.sub-box.purple{background:var(--bg-sub-purple)}.sub-box.green{background:var(--bg-sub-green)}.sub-box.pink{background:var(--bg-sub-pink)}.sub-box.slate{background:var(--bg-sub-slate)}.sub-box-label{font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted)}.sub-box-val{font-size:1.2rem;font-weight:800;color:var(--text-main)}.val-green{color:var(--accent-green)!important}.val-red{color:var(--accent-red)!important}.form-group{margin-bottom:1.1rem}.form-label{display:block;font-size:.85rem;font-weight:700;color:var(--text-main);margin-bottom:.4rem}.form-input,.form-select{width:100%;background:var(--bg-sub-slate);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:.75rem 1rem;font-size:.95rem;font-weight:600;color:var(--text-main);font-family:inherit;outline:none;transition:border-color .2s ease,background-color .2s ease}.form-input:focus,.form-select:focus{border-color:var(--accent-blue);background:var(--bg-card)}.btn-primary{width:100%;background:var(--accent-blue);color:#ffffff;border:none;border-radius:var(--radius-md);padding:.85rem 1.25rem;font-size:.95rem;font-weight:700;font-family:inherit;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:.5rem;transition:opacity .2s ease,transform .1s ease}.btn-primary:hover{opacity:.92}.btn-secondary{background:var(--bg-sub-slate);border:1px solid var(--border-color);color:var(--text-main);border-radius:var(--radius-md);padding:.65rem 1rem;font-size:.85rem;font-weight:700;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:.4rem;transition:background-color .2s ease}.btn-secondary:hover{background:var(--bg-sub-blue);color:var(--accent-blue)}.btn-icon-danger{background:var(--bg-sub-pink);color:var(--accent-pink);width:40px;height:40px;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;cursor:pointer;border:none}.export-output-card{position:relative;overflow:hidden}.watermark-footer{margin-top:1rem;padding-top:.75rem;border-top:1px dashed var(--border-color);display:flex;align-items:center;justify-content:space-between;font-size:.75rem;font-weight:700;color:var(--text-muted)}.watermark-badge{display:flex;align-items:center;gap:.4rem;background:var(--bg-sub-blue);color:var(--accent-blue);padding:.3rem .65rem;border-radius:6px;font-size:.7rem}.site-footer{border-top:1px solid var(--border-color);padding:2.5rem 1.5rem;text-align:center;background:var(--bg-card);color:var(--text-muted);font-size:.85rem}.admin-header{background:var(--bg-card);border-bottom:1px solid var(--border-color);padding:1.25rem 1.5rem;margin-bottom:2rem}.table-container{width:100%;overflow-x:auto}.flat-table{width:100%;border-collapse:collapse;margin-top:1rem}.flat-table td,.flat-table th{padding:.85rem 1rem;text-align:left;border-bottom:1px solid var(--border-color);font-size:.9rem}.flat-table th{background:var(--bg-sub-slate);font-weight:700;color:var(--text-sub);text-transform:uppercase;font-size:.75rem}.admin-wrapper{display:grid;grid-template-columns:260px 1fr;min-height:calc(100vh - 73px)}@media (max-width:900px){.admin-wrapper{grid-template-columns:1fr}}.admin-sidebar{background:var(--bg-card);border-right:1px solid var(--border-color);padding:1.5rem 1rem;justify-content:space-between}.admin-sidebar,.admin-sidebar-nav{display:flex;flex-direction:column}.admin-sidebar-nav{gap:.5rem}.admin-sidebar-btn{background:transparent;border:none;color:var(--text-sub);padding:.75rem 1rem;border-radius:var(--radius-md);font-weight:700;font-size:.9rem;text-align:left;cursor:pointer;display:flex;align-items:center;gap:.65rem;transition:all .2s ease;width:100%}.admin-sidebar-btn:hover{background:var(--bg-sub-slate);color:var(--text-main)}.admin-sidebar-btn.active{background:var(--bg-sub-blue);color:var(--accent-blue)}.admin-body{padding:2rem;overflow-y:auto}.analytics-summary-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:1.25rem;margin-bottom:2rem}.stat-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:1.5rem;justify-content:space-between}.stat-card,.stat-icon{display:flex;align-items:center}.stat-icon{width:48px;height:48px;border-radius:12px;justify-content:center}.stat-label{font-size:.75rem;font-weight:700;text-transform:uppercase;color:var(--text-muted);letter-spacing:.05em}.stat-val{font-size:1.8rem;font-weight:800;color:var(--text-main);line-height:1.2}