#content-area{position:absolute;inset:57px 0 0;overflow:auto;z-index:10;transition:margin-left .3s ease;margin-left:0}#content-area.fullscreen-content{margin-left:0;top:0;z-index:1000}@media(min-width:768px){#content-area{margin-left:var(--sidebar-width, 256px)}}.error-page-container{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100%;text-align:center;background:linear-gradient(135deg,#e8f5e9,#edf9ee);position:relative;overflow:hidden}.error-page-container:before{content:"";position:absolute;top:0;left:0;width:100%;height:100%;background-image:radial-gradient(circle at 10% 20%,rgba(76,175,80,.1) 0%,transparent 20%),radial-gradient(circle at 90% 80%,rgba(76,175,80,.1) 0%,transparent 20%);pointer-events:none}.error-content{max-width:32rem;width:100%;position:relative;z-index:1}.error-code{font-size:6rem;font-weight:700;color:#2e7d32;margin:0;line-height:1;text-shadow:2px 2px 4px rgba(0,0,0,.1)}.error-title{font-size:1.875rem;font-weight:600;color:#1b5e20;margin-top:1rem;margin-bottom:.5rem}.error-message{color:#4caf50;font-size:1.125rem;margin-bottom:2rem}.error-actions{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap}.error-btn{display:inline-flex;align-items:center;gap:.5rem;padding:.625rem 1.25rem;font-size:1rem;font-weight:500;border-radius:.375rem;cursor:pointer;transition:all .3s ease;border:none}.error-btn-secondary{color:#2e7d32;background-color:#fff;border:1px solid #81c784}.error-btn-secondary:hover{background-color:#e8f5e9;transform:translateY(-2px);box-shadow:0 4px 8px #0000001a}.error-btn-primary{color:#fff;background-color:#4caf50}.error-btn-primary:hover{background-color:#388e3c;transform:translateY(-2px);box-shadow:0 4px 8px #0000001a}@keyframes float{0%{transform:translateY(0)}50%{transform:translateY(-10px)}10%{transform:translateY(0)}}.error-code{animation:float 3s ease-in-out infinite}#loader-container{position:fixed;top:0;left:0;width:100%;height:100%;background-color:#ffffffe6;display:none;justify-content:center;align-items:center;z-index:9999;transition:opacity .3s ease}#loader-container.show{display:flex}.loader{width:48px;height:48px;border:3px solid #4caf50;border-radius:50%;display:inline-block;position:relative;box-sizing:border-box;animation:rotation 1s linear infinite}.loader:after{content:"";box-sizing:border-box;position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:40px;height:40px;border-radius:50%;border:3px solid;border-color:#2e7d32 transparent}@keyframes rotation{0%{transform:rotate(0)}to{transform:rotate(360deg)}}