:root{--primary: #4f46e5;--primary-hover: #4338ca;--secondary: #64748b;--accent: #f59e0b;--danger: #ef4444;--success: #22c55e;--bg-main: #f8fafc;--bg-card: #ffffff;--text-main: #1e293b;--text-muted: #64748b;--border: #e2e8f0}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,sans-serif;background-color:var(--bg-main);color:var(--text-main);line-height:1.5;overflow-x:hidden}button{cursor:pointer;font-family:inherit;transition:all .2s ease}input,select,textarea{font-family:inherit;padding:.75rem 1rem;border:1px solid var(--border);border-radius:.5rem;outline:none;transition:border-color .2s}input:focus{border-color:var(--primary)}.btn{padding:.75rem 1.5rem;border-radius:.5rem;font-weight:600;border:none;display:inline-flex;align-items:center;gap:.5rem}.btn-primary{background-color:var(--primary);color:#fff}.btn-primary:hover{background-color:var(--primary-hover)}.btn-secondary{background-color:#fff;border:1px solid var(--border);color:var(--text-main)}.btn-secondary:hover{background-color:var(--bg-main)}.card{background-color:var(--bg-card);border-radius:1rem;box-shadow:0 4px 6px -1px #0000001a,0 2px 4px -2px #0000001a;padding:1.5rem;min-width:0}.table-container{overflow-x:auto;background:#fff;border-radius:.75rem;border:1px solid var(--border)}table{width:100%;border-collapse:collapse}th{text-align:left;background-color:#f1f5f9;padding:1rem;font-weight:600;color:var(--secondary)}td{padding:1rem;border-top:1px solid var(--border)}.badge{padding:.25rem .75rem;border-radius:9999px;font-size:.875rem;font-weight:500}.badge-low{background:#fef3c7;color:#92400e}.badge-in{background:#dcfce7;color:#166534}.badge-out{background:#fee2e2;color:#991b1b}.layout{display:grid;grid-template-columns:260px 1fr;min-height:100vh;overflow-x:hidden}.sidebar{background-color:#1e293b;color:#fff;padding:2rem 1.5rem;z-index:1000;height:100vh;position:sticky;top:0}.main-content{padding:2rem;background-color:var(--bg-main);width:100%;min-width:0}@media (max-width: 1024px){.layout{grid-template-columns:1fr}.sidebar{position:fixed;left:-260px;top:0;bottom:0;width:260px;transition:left .3s ease}.sidebar.open{left:0}.main-content{padding:5rem 1rem 1.5rem}.mobile-header{display:flex;align-items:center;justify-content:space-between;padding:1rem;background:#1e293b;color:#fff;position:fixed;top:0;left:0;right:0;z-index:900;box-shadow:0 2px 4px #0000001a}.mobile-only{display:block!important}.overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#00000080;z-index:950;display:none}.overlay.active{display:block}}@media (min-width: 1025px){.mobile-header,.overlay{display:none}}.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:1.5rem}@media (max-width: 640px){.card{padding:1rem;border-radius:.5rem}.btn{width:100%;justify-content:center}}.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1.5rem;margin-bottom:2rem}.grid-2-1{display:grid;grid-template-columns:1fr 1fr;gap:1.5rem;margin-bottom:1.5rem}@media (max-width: 768px){.grid-2-1{grid-template-columns:1fr}.header-flex{flex-direction:column;align-items:flex-start!important;gap:1rem}}.pos-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:2rem;height:calc(100vh - 120px)}@media (max-width: 1024px){.pos-grid{grid-template-columns:1fr;height:auto}}.hero-title{font-size:3rem;font-weight:800;color:var(--text-main);margin-bottom:1.5rem;line-height:1.2}@media (max-width: 640px){.hero-title{font-size:2rem}}.page-title{font-size:2rem;font-weight:700}@media (max-width: 640px){.page-title{font-size:1.5rem}}.payments-grid{display:grid;grid-template-columns:1fr 1.5fr;gap:2rem;height:calc(100vh - 120px)}@media (max-width: 1024px){.payments-grid{grid-template-columns:1fr;height:auto}}.spinner{width:40px;height:40px;border:4px solid #f1f5f9;border-top:4px solid var(--primary);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.loading-container{display:flex;flex-direction:column;justify-content:center;align-items:center;height:200px;width:100%;gap:1rem;color:var(--text-muted)}