:root{--primary:#6366f1;--primary-hover:#4f46e5;--bg-dark:#0f172a;--bg-card:#1e293bb3;--text-main:#f8fafc;--text-muted:#94a3b8;--sidebar-w:260px;--glass-border:#ffffff1a;--glass-bg:#0f172a99;--transition:all .3s cubic-bezier(.4, 0, .2, 1)}*{box-sizing:border-box;margin:0;padding:0;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif}input::-webkit-outer-spin-button{appearance:none;margin:0}input::-webkit-inner-spin-button{appearance:none;margin:0}input[type=number]{appearance:textfield}body{background-color:var(--bg-dark);color:var(--text-main);overflow:hidden}.app-container{width:100vw;height:100vh;display:flex}.sidebar{width:var(--sidebar-w);background:var(--bg-dark);border-right:1px solid var(--glass-border);z-index:10;flex-direction:column;padding:1.5rem;display:flex}.sidebar-header{margin-bottom:2.5rem}.logo{letter-spacing:-.02em;align-items:center;gap:.75rem;font-size:1.25rem;font-weight:700;display:flex}.logo-icon{background:linear-gradient(135deg, var(--primary), #a855f7);color:#fff;border-radius:8px;justify-content:center;align-items:center;width:32px;height:32px;display:flex}.sidebar-nav{flex-direction:column;flex:1;gap:.5rem;display:flex}.nav-item{color:var(--text-muted);cursor:pointer;transition:var(--transition);text-align:left;background:0 0;border:none;border-radius:10px;align-items:center;gap:.75rem;padding:.75rem 1rem;font-size:.95rem;font-weight:500;display:flex}.nav-item:hover{color:var(--text-main);background:#6366f11a}.nav-item.active{background:var(--primary);color:#fff;box-shadow:0 4px 12px #6366f14d}.nav-item.logout{margin-top:auto}.nav-item.logout:hover{background:rgba(ef, 68, 68, .1);color:#ef4444}.main-content{background:radial-gradient(circle at 100% 0,#6366f10d,#0000),radial-gradient(circle at 0 100%,#a855f70d,#0000);flex-direction:column;flex:1;display:flex;overflow-y:auto}.top-header{border-bottom:1px solid var(--glass-border);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);z-index:5;justify-content:space-between;align-items:center;height:80px;padding:0 2.5rem;display:flex;position:sticky;top:0}.top-header h1{font-size:1.5rem;font-weight:700}.header-actions{align-items:center;gap:1.5rem;display:flex}.search-bar{border:1px solid var(--glass-border);width:300px;transition:var(--transition);background:#ffffff0d;border-radius:12px;align-items:center;gap:.75rem;padding:.6rem 1rem;display:flex}.search-bar:focus-within{border-color:var(--primary);background:#ffffff14;box-shadow:0 0 0 2px #6366f133}.search-bar input{color:var(--text-main);background:0 0;border:none;outline:none;width:100%}.btn-primary{background:var(--primary);color:#fff;cursor:pointer;transition:var(--transition);border:none;border-radius:12px;align-items:center;gap:.5rem;padding:.6rem 1.25rem;font-weight:600;display:flex}.btn-primary:hover{background:var(--primary-hover);transform:translateY(-1px);box-shadow:0 4px 12px #6366f14d}.btn-secondary{color:var(--text-main);border:1px solid var(--glass-border);cursor:pointer;transition:var(--transition);background:#ffffff0d;border-radius:12px;padding:.75rem 1.5rem;font-weight:600}.btn-secondary:hover{background:#ffffff1a}.content-area{flex:1;padding:2.5rem}.dashboard-grid{grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:1.5rem;display:grid}.glass{background:var(--glass-bg);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border:1px solid var(--glass-border);transition:var(--transition);border-radius:20px;padding:1.5rem}.glass:hover{border-color:#fff3}.stat-card h3{color:var(--text-muted);margin-bottom:.5rem;font-size:.9rem}.stat-value{margin-bottom:.5rem;font-size:2rem;font-weight:800}.stat-label{color:#10b981;font-size:.8rem;font-weight:600}.empty-state{text-align:center;color:var(--text-muted);flex-direction:column;justify-content:center;align-items:center;gap:1.5rem;padding:5rem 2rem;display:flex}.empty-state h2{color:var(--text-main)}.modal-overlay{-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);z-index:50;background:#000000b3;justify-content:center;align-items:center;padding:2rem;display:flex;position:fixed;inset:0}.modal-content{width:100%;max-width:700px;max-height:90vh;padding:2rem;position:relative;overflow-y:auto}.modal-header{justify-content:space-between;align-items:center;margin-bottom:2rem;display:flex}.modal-header h2{font-size:1.5rem;font-weight:700}.form-grid{grid-template-columns:1fr 1fr;gap:1.5rem;display:grid}.form-group{flex-direction:column;gap:.5rem;display:flex}.form-group.full-width{grid-column:span 2}.form-group label{color:var(--text-muted);font-size:.85rem;font-weight:600}.form-group input,.form-group select,.form-group textarea{border:1px solid var(--glass-border);color:var(--text-main);transition:var(--transition);background:#ffffff0d;border-radius:10px;outline:none;padding:.75rem 1rem}.form-group input:focus,.form-group select:focus,.form-group textarea:focus{border-color:var(--primary);background:#ffffff14}.form-actions{grid-column:span 2;justify-content:flex-end;gap:1rem;margin-top:1rem;display:flex}.client-grid,.invoice-grid{grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:1.5rem;display:grid}.client-card,.invoice-card{flex-direction:column;gap:1rem;padding:1.5rem;display:flex}.client-header,.invoice-header{justify-content:space-between;align-items:flex-start;display:flex}.client-info,.invoice-info{flex-direction:column;gap:.6rem;display:flex}.info-item{color:var(--text-muted);align-items:center;gap:.75rem;font-size:.9rem;display:flex}.btn-icon,.btn-icon-small{color:var(--text-muted);cursor:pointer;transition:var(--transition);background:0 0;border:none;border-radius:50%;justify-content:center;align-items:center;display:flex}.btn-icon:hover,.btn-icon-small:hover{color:var(--text-main);background:#ffffff1a}.btn-icon{width:40px;height:40px}.btn-icon-small{width:32px;height:32px}.template-badge{text-transform:uppercase;border-radius:6px;padding:.25rem .6rem;font-size:.75rem;font-weight:700}.template-google{color:#34a853;background:#34a85333}.template-meta{color:#0668e6;background:#0668e633}.template-hostinger{color:#673ab7;background:#673ab733}.template-standard{color:#94a3b8;background:#94a3b833}