:root{--bg-primary: #0F0F0F;--bg-secondary: #1A1A1A;--bg-tertiary: #2D2D2D;--border-color: #333333;--text-primary: #FFFFFF;--text-secondary: #B0B0B0;--text-muted: #666666;--text-accent: #FEE94E;--accent-primary: #FFEB3B;--accent-success: #4CAF50;--accent-error: #F44336;--accent-warning: #FF9800;--btn-primary-bg: #FFEB3B;--btn-primary-text: #000000;--btn-secondary-bg: #333333;--btn-secondary-text: #FFFFFF;--sidebar-width: 220px;--header-height: 56px}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background-color:var(--bg-primary);color:var(--text-primary);line-height:1.6;min-height:100vh}input,textarea,select{font-family:inherit}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:var(--bg-secondary)}::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}.input{background:var(--bg-tertiary);border:1px solid var(--border-color);color:var(--text-primary);border-radius:6px;padding:8px 12px;font-size:14px;transition:border-color .15s;width:100%}.input:focus{outline:none;border-color:var(--accent-primary)}.input::placeholder{color:var(--text-muted)}.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:6px;font-size:14px;font-weight:500;cursor:pointer;border:none;transition:opacity .15s,transform .1s}.btn:hover{opacity:.85}.btn:active{transform:scale(.98)}.btn-primary{background:var(--btn-primary-bg);color:var(--btn-primary-text)}.btn-secondary{background:var(--btn-secondary-bg);color:var(--btn-secondary-text);border:1px solid var(--border-color)}.btn-danger{background:var(--accent-error);color:#fff}.btn-sm{padding:5px 10px;font-size:13px}.card{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:10px;padding:20px}.tabla{width:100%;border-collapse:collapse;font-size:14px}.tabla th{background:var(--bg-tertiary);color:var(--text-secondary);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.04em;padding:10px 14px;text-align:left;border-bottom:1px solid var(--border-color)}.tabla td{padding:10px 14px;border-bottom:1px solid var(--border-color);color:var(--text-primary)}.tabla tr:last-child td{border-bottom:none}.tabla tr:hover td{background:var(--bg-tertiary)}.tabla .num{text-align:right;font-variant-numeric:tabular-nums}.tabla .total-row td{background:var(--bg-tertiary);font-weight:700;color:var(--accent-primary);border-top:1px solid var(--border-color)}.badge{display:inline-flex;align-items:center;padding:2px 8px;border-radius:20px;font-size:12px;font-weight:600}.badge-success{background:#4caf5026;color:var(--accent-success)}.badge-warning{background:#ff980026;color:var(--accent-warning)}.badge-error{background:#f4433626;color:var(--accent-error)}.layout{display:flex;min-height:100vh}.sidebar{width:var(--sidebar-width);background:var(--bg-secondary);border-right:1px solid var(--border-color);display:flex;flex-direction:column;position:fixed;top:0;left:0;bottom:0;z-index:100}.main-content{margin-left:var(--sidebar-width);flex:1;min-height:100vh;padding:28px}.sidebar-logo{padding:20px 16px 16px;border-bottom:1px solid var(--border-color)}.sidebar-logo h1{font-size:15px;font-weight:700;color:var(--accent-primary);letter-spacing:.02em}.sidebar-logo span{font-size:11px;color:var(--text-muted)}.sidebar-nav{flex:1;padding:12px 8px;display:flex;flex-direction:column;gap:2px}.nav-item{display:flex;align-items:center;gap:10px;padding:9px 12px;border-radius:7px;color:var(--text-secondary);text-decoration:none;font-size:14px;font-weight:500;transition:background .15s,color .15s;cursor:pointer;border:none;background:none;width:100%;text-align:left}.nav-item:hover{background:var(--bg-tertiary);color:var(--text-primary)}.nav-item.active{background:#ffeb3b1f;color:var(--accent-primary)}.nav-item .icon{font-size:17px;width:20px;text-align:center}.page-header{margin-bottom:24px;display:flex;align-items:center;justify-content:space-between;gap:12px}.page-header h2{font-size:22px;font-weight:700}.page-header p{font-size:13px;color:var(--text-muted);margin-top:2px}.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:24px}.stat-card{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:10px;padding:18px 20px}.stat-card .label{font-size:12px;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;font-weight:600}.stat-card .value{font-size:24px;font-weight:700;color:var(--text-primary);margin-top:4px;font-variant-numeric:tabular-nums}.stat-card .value.accent{color:var(--accent-primary)}.stat-card .value.success{color:var(--accent-success)}.form-section{background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:10px;margin-bottom:16px;overflow:hidden}.form-section-title{background:var(--bg-tertiary);padding:12px 18px;font-size:13px;font-weight:600;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.05em;border-bottom:1px solid var(--border-color)}.form-section-body{padding:18px}.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:14px}.form-field label{display:block;font-size:12px;color:var(--text-muted);font-weight:600;text-transform:uppercase;letter-spacing:.04em;margin-bottom:6px}.monto-pos{color:var(--accent-success);font-weight:600}.monto-neg{color:var(--accent-error);font-weight:600}.monto-zero{color:var(--text-muted)}.loading-state,.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:60px 20px;color:var(--text-muted);gap:10px}.empty-state .icon{font-size:40px}.empty-state p{font-size:14px}@media (max-width: 768px){.sidebar{display:none}.main-content{margin-left:0;padding:16px}}@media print{.sidebar,.btn,.no-print{display:none!important}.main-content{margin-left:0;padding:0}body{background:#fff;color:#000}.card,.form-section{border:1px solid #ccc}}