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.grid-4{grid-template-columns:1fr!important;gap:var(--space-3)!important}.btn:not(.btn-xs):not(.btn-sm){min-height:38px;padding:var(--space-2) var(--space-3)}.btn-xs{min-height:26px!important;padding:3px 8px!important;font-size:11px!important;line-height:1.2!important}.btn-sm{min-height:32px!important;padding:4px 10px!important;font-size:12px!important}.btn-icon{min-width:34px;min-height:34px;width:34px;height:34px;padding:0!important;display:inline-flex!important;align-items:center!important;justify-content:center!important}.btn-icon svg{width:19px!important;height:19px!important;stroke-width:2.2!important}}@media(max-width:420px){.page{padding:var(--space-3) var(--space-2) calc(var(--mobile-nav-height) + env(safe-area-inset-bottom,0px) + var(--space-6))}.card{padding:var(--space-3);border-radius:var(--radius-sm)}.tabs{gap:var(--space-1)}.tab-btn{padding:var(--space-2) var(--space-2);font-size:var(--text-xs)}.page-header h1{font-size:1.25rem}.grid-responsive-4,.grid-responsive-3,.grid-responsive-2{grid-template-columns:1fr!important;gap:var(--space-2)!important}}@supports (padding: env(safe-area-inset-bottom)){.mobile-nav{padding-bottom:env(safe-area-inset-bottom);height:calc(var(--mobile-nav-height) + env(safe-area-inset-bottom))}}@media print{body{background:#fff!important;color:#000!important}.no-print,.sidebar,.header,.mobile-nav,.toast-container{display:none!important}.page{padding:0!important;max-width:100%!important}.print-only{display:block!important}}.print-only{display:none}.invoice-preview-container{background:#fff;color:#111;border-radius:var(--radius-md);box-shadow:var(--shadow-md);border:1px solid var(--border);overflow:hidden;max-width:100%}[data-theme=dark] .invoice-preview-container{box-shadow:var(--shadow-lg)}.notification-dot{position:absolute;top:5px;right:5px;width:8px;height:8px;background:#ef4444!important;border-radius:50%;border:1.5px solid var(--bg);box-shadow:0 0 6px #ef4444b3;pointer-events:none}.form-row{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--space-4)}@media(max-width:767px){.form-row{grid-template-columns:1fr}}.toggle{position:relative;width:44px;height:24px;border-radius:var(--radius-full);background:var(--border-strong);border:none;cursor:pointer;transition:background var(--transition-fast);flex-shrink:0}.toggle:after{content:"";position:absolute;top:2px;left:2px;width:20px;height:20px;border-radius:50%;background:#fff;transition:transform var(--transition-fast);box-shadow:var(--shadow-sm)}.toggle.active{background:var(--primary)}.toggle.active:after{transform:translate(20px)}.spinner{width:20px;height:20px;border:2px solid var(--border);border-top-color:var(--text);border-radius:50%;animation:spin .6s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.skeleton{background:linear-gradient(90deg,var(--surface) 25%,var(--surface-hover) 50%,var(--surface) 75%);background-size:200% 100%;animation:shimmer 1.5s infinite;border-radius:var(--radius-sm)}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.layout{display:flex;min-height:100vh;width:100%;max-width:100%;overflow-x:clip}.layout-main{flex:1;display:flex;flex-direction:column;min-width:0;width:100%;max-width:100%;margin-left:var(--sidebar-width);transition:margin-left var(--transition-slow);overflow-x:clip}.layout.sidebar-collapsed .layout-main{margin-left:var(--sidebar-collapsed)}.layout-content{flex:1;overflow-y:auto;overflow-x:clip;width:100%;max-width:100%}.layout-fullscreen{min-height:100vh;width:100%;max-width:100%;overflow-x:clip}.sidebar{position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-width);background:var(--bg);border-right:1px solid var(--border);display:flex;flex-direction:column;z-index:var(--z-sticky);transition:width var(--transition-slow),transform var(--transition-slow);overflow:hidden}.sidebar-collapsed .sidebar{width:var(--sidebar-collapsed)}.sidebar-brand{display:flex;align-items:center;gap:var(--space-3);padding:var(--space-5) var(--space-5);border-bottom:1px solid var(--border);min-height:var(--header-height)}.sidebar-brand h1{font-size:var(--text-lg);font-weight:var(--weight-bold);letter-spacing:-.03em;white-space:nowrap;overflow:hidden}.sidebar-brand .brand-icon{width:32px;height:32px;background:var(--primary);color:var(--primary-text);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-weight:var(--weight-bold);font-size:var(--text-sm);flex-shrink:0}.sidebar-nav{flex:1;padding:var(--space-3);overflow-y:auto;display:flex;flex-direction:column;gap:var(--space-1)}.sidebar-link{display:flex;align-items:center;gap:var(--space-3);padding:var(--space-2) var(--space-3);border-radius:var(--radius-sm);font-size:var(--text-sm);font-weight:var(--weight-medium);color:var(--text-secondary);transition:all var(--transition-fast);white-space:nowrap;overflow:hidden;border:none;background:none;cursor:pointer;width:100%;text-align:left}.sidebar-link:hover{background:var(--surface);color:var(--text)}.sidebar-link.active{background:var(--surface);color:var(--text);font-weight:var(--weight-semibold)}.sidebar-link svg{width:20px;height:20px;flex-shrink:0}.sidebar-link span{overflow:hidden;text-overflow:ellipsis}.sidebar-section-label{font-size:var(--text-xs);font-weight:var(--weight-semibold);color:var(--text-tertiary);text-transform:uppercase;letter-spacing:.08em;padding:var(--space-4) var(--space-3) var(--space-2);white-space:nowrap;overflow:hidden}.sidebar-footer{padding:var(--space-3);border-top:1px solid var(--border)}.sidebar-collapse-btn{display:flex;align-items:center;justify-content:center;width:100%;padding:var(--space-2);background:none;border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-secondary);cursor:pointer;transition:all var(--transition-fast)}.sidebar-collapse-btn:hover{background:var(--surface);color:var(--text)}.sidebar-overlay{display:none}.header{display:flex;align-items:center;gap:var(--space-4);padding:0 var(--space-6);height:var(--header-height);border-bottom:1px solid var(--border);background:var(--bg);position:sticky;top:0;z-index:var(--z-sticky);width:100%}.header-menu-btn{display:none;align-items:center;justify-content:center;width:38px;height:38px;min-width:38px;min-height:38px;border-radius:var(--radius-sm);background:var(--surface)!important;border:1px solid var(--border)!important;color:var(--text)!important;cursor:pointer;padding:0;transition:all var(--transition-fast)}.header-menu-btn:hover{background:var(--surface-hover)!important;border-color:var(--border-strong)!important;color:var(--text)!important}.header-menu-btn:active{transform:scale(.95)}.header-menu-btn svg{width:22px!important;height:22px!important;stroke-width:2.2px!important;color:var(--text)!important}.header-mobile-brand{display:none}.header-search{flex:1;max-width:400px}.header-actions{display:flex;align-items:center;gap:var(--space-2);margin-left:auto;flex-shrink:0}.header-create-btn{display:flex;align-items:center;gap:var(--space-2)}.header-theme-btn,.header-notification-btn{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;min-width:36px;min-height:36px;padding:0;border-radius:var(--radius-sm);background:var(--surface)!important;border:1px solid var(--border)!important;color:var(--text)!important;transition:all var(--transition-fast);cursor:pointer}.header-theme-btn:hover,.header-notification-btn:hover{background:var(--surface-hover)!important;border-color:var(--border-strong)!important}.header-theme-btn:active,.header-notification-btn:active{transform:scale(.95)}.header-user{width:34px;height:34px;border-radius:50%;background:var(--surface);border:1px solid var(--border);display:flex;align-items:center;justify-content:center;color:var(--text-secondary);font-size:var(--text-xs);font-weight:var(--weight-semibold);cursor:pointer;transition:border-color var(--transition-fast);flex-shrink:0}.header-user:hover{border-color:var(--border-strong)}.mobile-nav{display:none}@media(min-width:768px)and (max-width:1024px){:root{--sidebar-width: 220px;--sidebar-collapsed: 68px;--header-height: 58px}.header-menu-btn{display:none!important}.sidebar-brand h1{font-size:var(--text-md)}.sidebar-link{font-size:var(--text-xs);padding:var(--space-2) var(--space-2)}}@media(max-width:1199px){.sidebar-collapsed .sidebar{width:var(--sidebar-collapsed)}}@media(max-width:767px){.layout-main{margin-left:0!important;padding-bottom:0!important}.sidebar{transform:translate(-100%);visibility:hidden;pointer-events:none;width:min(300px,85vw);z-index:calc(var(--z-modal) + 10);box-shadow:var(--shadow-xl);transition:transform var(--transition-slow),visibility var(--transition-slow)}.sidebar.mobile-open{transform:translate(0);visibility:visible;pointer-events:auto}.sidebar-overlay{display:block;position:fixed;inset:0;background:#0000008c;backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);z-index:calc(var(--z-modal) + 5);animation:fadeIn .2s ease}.sidebar-collapse-btn{display:none}.header{padding:0 var(--space-3);height:56px;gap:var(--space-2);justify-content:space-between}.header-menu-btn{display:inline-flex!important;align-items:center!important;justify-content:center!important;width:42px!important;height:42px!important;min-width:42px!important;min-height:42px!important;border-radius:var(--radius-sm)!important;background:var(--surface)!important;border:1px solid var(--border)!important;color:var(--text)!important;cursor:pointer;padding:0!important}.header-menu-btn svg{width:24px!important;height:24px!important;stroke-width:2.4px!important;color:var(--text)!important}.header-mobile-brand{display:flex!important}.header-search{display:none}.header-create-btn{display:none!important}.header-actions{gap:8px;margin-left:auto;display:flex;align-items:center;position:relative}.header-theme-btn,.header-notification-btn{display:inline-flex!important;align-items:center!important;justify-content:center!important;width:42px!important;height:42px!important;min-width:42px!important;min-height:42px!important;border-radius:var(--radius-sm)!important;background:var(--surface)!important;border:1px solid var(--border)!important;color:var(--text)!important;padding:0!important;cursor:pointer}.header-user{width:42px!important;height:42px!important;min-width:42px!important;min-height:42px!important;border-radius:var(--radius-sm)!important;background:var(--surface)!important;border:1px solid var(--border)!important;color:var(--text)!important;font-size:13.5px!important;font-weight:var(--weight-bold)!important}.header-theme-btn:active,.header-notification-btn:active,.header-menu-btn:active,.header-user:active{background:var(--surface-active)!important;transform:scale(.95)}.header-theme-btn svg,.header-notification-btn svg{width:22px!important;height:22px!important;stroke-width:2.2px!important;color:var(--text)!important}.header-notification-dropdown{position:fixed!important;top:64px!important;left:50%!important;right:auto!important;transform:translate(-50%)!important;width:calc(100vw - 28px)!important;max-width:360px!important;margin:0 auto!important;box-shadow:0 16px 40px -6px #00000059,0 0 0 1px var(--border)!important}.header-user-dropdown{position:fixed!important;top:64px!important;right:14px!important;left:auto!important;max-width:calc(100vw - 28px)!important}.mobile-nav{display:flex;position:fixed;bottom:0;left:0;right:0;height:calc(var(--mobile-nav-height) + env(safe-area-inset-bottom,0px));padding-bottom:env(safe-area-inset-bottom,0px);background:var(--bg);border-top:1px solid var(--border);z-index:var(--z-sticky);justify-content:space-around;align-items:center;padding-left:var(--space-1);padding-right:var(--space-1);box-shadow:0 -4px 16px #0000000f;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px)}.mobile-nav-item{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;padding:var(--space-1) var(--space-2);font-size:.72rem;font-weight:var(--weight-medium);color:var(--text-tertiary);background:none;border:none;cursor:pointer;transition:color var(--transition-fast),transform var(--transition-fast);min-width:54px;height:100%;user-select:none;-webkit-tap-highlight-color:transparent}.mobile-nav-item svg{width:22px;height:22px;stroke-width:2.1px}.mobile-nav-item.active{color:var(--text);font-weight:var(--weight-semibold)}.mobile-nav-item:hover{color:var(--text-secondary)}.mobile-nav-item:active{transform:scale(.92)}}@media(max-width:360px){.mobile-nav-item{min-width:46px;padding:var(--space-1);font-size:.65rem}.mobile-nav-item svg{width:20px;height:20px}}