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var(--border-color);display:flex;gap:var(--spacing-sm);justify-content:flex-end}.nav-btn{border-radius:var(--border-radius-small);font-weight:500;transition:var(--transition-base)}.nav-btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-medium)}.clear-btn,.submit-btn{min-width:150px;height:48px;font-size:var(--font-size-base);font-weight:600;border-radius:var(--border-radius);border:none;box-shadow:var(--shadow-medium);transition:var(--transition-base);display:flex;align-items:center;justify-content:center;gap:var(--spacing-sm)}.submit-btn{min-width:200px;background:var(--gradient-primary)}.submit-btn:hover{transform:translateY(-3px);box-shadow:var(--shadow-heavy);background:var(--gradient-primary-reverse)}.clear-btn{min-width:150px;background:var(--gradient-danger)}.clear-btn:hover{transform:translateY(-3px);box-shadow:var(--shadow-heavy);background:var(--gradient-danger-reverse)}.action-btn{border-radius:var(--border-radius-small);font-weight:500;transition:var(--transition-base);display:flex;align-items:center;gap:var(--spacing-xs)}.action-btn:hover{transform:translateY(-2px);box-shadow:var(--shadow-medium)}.delete-btn:hover{background:var(--danger-color);color:#fff}.export-btn:hover{background:var(--primary-color);color:#fff}.table-action-btn{font-size:var(--font-size-lg);color:var(--text-light);transition:var(--transition-fast);padding:6px;border-radius:var(--border-radius-small)}.table-action-btn:hover{transform:scale(1.2)}.table-action-btn.download:hover{color:var(--primary-color);background:rgba(64,158,255,.1)}.table-action-btn.delete:hover{color:var(--danger-color);background:hsla(0,87%,69%,.1)}.container{max-width:1400px;margin:0 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var(--spacing-md);color:var(--text-regular);text-decoration:none;border-radius:var(--border-radius-small);transition:var(--transition-fast)}.nav-item:hover{color:var(--text-primary);background:hsla(0,0%,100%,.1)}.nav-item.active{color:var(--primary-color);background:rgba(64,158,255,.1)}.sidebar{position:fixed;top:0;left:0;bottom:0;width:280px;background:hsla(0,0%,100%,.95);-webkit-backdrop-filter:var(--backdrop-blur);backdrop-filter:var(--backdrop-blur);border-right:1px solid hsla(0,0%,100%,.2);z-index:var(--z-index-modal);transform:translateX(-100%);transition:var(--transition-base)}.sidebar.open{transform:translateX(0)}.sidebar-header{padding:var(--spacing-lg);border-bottom:1px solid var(--border-color)}.sidebar-body{padding:var(--spacing-lg);overflow-y:auto;height:calc(100vh - 80px)}.sidebar-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.5);z-index:calc(var(--z-index-modal) - 1);opacity:0;visibility:hidden;transition:var(--transition-base)}.sidebar-overlay.open{opacity:1;visibility:visible}.main-content{display:grid;grid-template-columns:1fr 1fr;gap:var(--spacing-xl);max-width:1400px;margin:0 auto;padding:var(--spacing-xl) var(--spacing-lg);min-height:calc(100vh - 120px)}.content-section{display:flex;flex-direction:column;gap:var(--spacing-lg)}.content-card{background:hsla(0,0%,100%,.95);-webkit-backdrop-filter:var(--backdrop-blur);backdrop-filter:var(--backdrop-blur);border:1px solid hsla(0,0%,100%,.2);border-radius:var(--border-radius);box-shadow:var(--shadow-medium);transition:var(--transition-base)}.content-card:hover{box-shadow:var(--shadow-heavy);transform:translateY(-2px)}.form-layout{display:flex;flex-direction:column;gap:var(--spacing-lg)}.form-section{background:hsla(0,0%,100%,.8);border-radius:var(--border-radius-small);padding:var(--spacing-lg);border:1px solid hsla(0,0%,100%,.3);-webkit-backdrop-filter:var(--backdrop-blur-light);backdrop-filter:var(--backdrop-blur-light);transition:var(--transition-base)}.form-section:hover{background:hsla(0,0%,100%,.9);transform:translateY(-1px);box-shadow:var(--shadow-light)}.form-grid{display:grid;gap:var(--spacing-md)}.form-grid-2{grid-template-columns:repeat(2,1fr)}.form-grid-3{grid-template-columns:repeat(3,1fr)}.form-grid-4{grid-template-columns:repeat(4,1fr)}.form-row{display:flex;gap:var(--spacing-md);align-items:flex-end}.form-col{flex:1}.result-layout{display:flex;flex-direction:column;gap:var(--spacing-lg)}.result-card{background:hsla(0,0%,100%,.95);-webkit-backdrop-filter:var(--backdrop-blur);backdrop-filter:var(--backdrop-blur);border:1px solid hsla(0,0%,100%,.2);border-radius:var(--border-radius);box-shadow:var(--shadow-medium);transition:var(--transition-base)}.result-card:hover{box-shadow:var(--shadow-heavy);transform:translateY(-2px)}@media screen and 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