:root{--system-gradient-2:linear-gradient(135deg,#f093fb,#f5576c);--system-gradient-3:linear-gradient(135deg,#4facfe,#00f2fe);--system-gradient-success:linear-gradient(135deg,#43e97b,#38f9d7);--system-gradient-error:linear-gradient(135deg,#fa709a,#fee140);--system-gradient-warning:linear-gradient(135deg,#f6d365,#fda085);--system-gradient-dark:linear-gradient(135deg,#1a202c,#2d3748);--system-shadow-lg:0 4px 24px rgba(0,0,0,.07),0 1px 4px rgba(0,0,0,.04);--system-radius:1rem;--system-max-width:480px;--system-padding:2.5rem;--system-padding-mobile:1.5rem}.system-page-body{margin:0;min-height:100vh;padding:0}.system-page{align-items:center;background:linear-gradient(160deg,var(--color-bg,#fff) 0,var(--color-bg-secondary,#f5f7fa) 100%);display:flex;justify-content:center;min-height:100vh;padding:2rem}.system-container{background:var(--color-bg,#fff);border:1px solid var(--color-border,#e5e7eb);border-radius:var(--system-radius);box-shadow:var(--system-shadow-lg);max-width:var(--system-max-width);padding:var(--system-padding);text-align:center;width:100%}.system-brand{margin-bottom:2rem}.system-logo{height:auto;max-height:40px;max-width:180px;object-fit:contain;width:auto}.system-brand-name{color:var(--color-text,#111827);font-size:1.125rem;font-weight:700;letter-spacing:-.01em}.system-icon{align-items:center;background:var(--color-primary,#667eea);border-radius:50%;display:flex;height:56px;justify-content:center;margin:0 auto 1.5rem;width:56px}.system-icon svg{fill:none;height:24px;stroke:#fff;stroke-width:2;width:24px}.system-icon.icon-error{background:#ef4444}.system-icon.icon-success{background:#22c55e}.system-icon.icon-warning{background:#f59e0b}.system-icon.icon-info{background:#3b82f6}.system-title{color:var(--color-text,#111827);font-size:clamp(1.375rem,3.5vw,2rem);font-weight:700;line-height:1.25;margin-bottom:.75rem}.system-message{color:var(--color-text-secondary,#6b7280);font-size:1rem;line-height:1.6;margin-bottom:1.5rem}.system-code{background:linear-gradient(135deg,var(--color-primary,#667eea) 0,var(--color-primary,#764ba2) 100%);-webkit-background-clip:text;font-size:clamp(4rem,10vw,8rem);font-weight:900;-webkit-text-fill-color:transparent;background-clip:text;line-height:1;margin:0 0 1rem}.system-status{border-radius:.5rem;font-size:.9375rem;font-weight:500;margin-bottom:1.5rem;padding:.875rem 1rem;text-align:left}.system-status.success{background:#dcfce7;border:1px solid #bbf7d0;color:#15803d}.system-status.error{background:#fee2e2;border:1px solid #fecaca;color:#b91c1c}.system-status.warning{background:#fef3c7;border:1px solid #fde68a;color:#92400e}.system-status.info{background:#dbeafe;border:1px solid #bfdbfe;color:#1e40af}.system-actions{display:flex;flex-wrap:wrap;gap:.75rem;justify-content:center;margin-top:1.5rem}.btn{border:2px solid transparent;border-radius:.5rem;cursor:pointer;display:inline-block;font-size:.9375rem;font-weight:600;line-height:1.5;padding:.6875rem 1.5rem;text-decoration:none;transition:opacity .15s ease,transform .15s ease,box-shadow .15s ease}.btn-primary{background:var(--color-primary,#667eea);border-color:var(--color-primary,#667eea);color:#fff}.btn-primary:hover{box-shadow:0 4px 12px rgba(0,0,0,.15);color:#fff;opacity:.88;transform:translateY(-1px)}.btn-secondary{background:transparent;border-color:var(--color-primary,#667eea);color:var(--color-primary,#667eea)}.btn-secondary:hover{background:var(--color-primary,#667eea);color:#fff}.btn-ghost{background:transparent;border-color:transparent;color:var(--color-primary,#667eea)}.btn-ghost:hover{background:color-mix(in srgb,var(--color-primary,#667eea) 10%,transparent)}.system-form{margin:1.5rem auto;max-width:400px;text-align:left}.system-form .form-group{margin-bottom:1.25rem}.system-form label{color:var(--color-text-secondary,#4b5563);display:block;font-size:.875rem;font-weight:500;margin-bottom:.375rem}.system-form .form-actions{display:flex;gap:1rem;justify-content:space-between;margin-top:1.5rem}.system-form .form-footer{border-top:1px solid var(--color-border,#e5e7eb);color:var(--color-text-secondary,#6b7280);font-size:.875rem;margin-top:1.5rem;padding-top:1.5rem;text-align:center}.system-form .form-footer a{color:var(--color-primary,#667eea);font-weight:600;text-decoration:none}.system-form .form-footer a:hover{text-decoration:underline}.system-section{border-top:1px solid var(--color-border,#e5e7eb);margin-top:1.5rem;padding-top:1.5rem}.system-section h3{color:var(--color-text,#111827);font-size:1rem;margin-bottom:.75rem}.system-contact{background:var(--color-bg-secondary,#f9fafb);border:1px solid var(--color-border-light,#f3f4f6);border-radius:.5rem;color:var(--color-text-secondary,#6b7280);font-size:.875rem;margin-top:1.5rem;padding:1.25rem}.system-contact a{color:var(--color-primary,#667eea);font-weight:600;text-decoration:none}.system-contact a:hover{text-decoration:underline}.system-progress{background:var(--color-border,#e5e7eb);border-radius:3px;height:6px;margin:1.5rem 0;overflow:hidden;width:100%}.system-progress-fill{animation:system-progress 3s ease-in-out infinite;background:var(--color-primary,#667eea);border-radius:3px;height:100%}@keyframes system-progress{0%{width:0}50%{width:70%}to{width:100%}}.system-countdown{color:var(--color-text-secondary,#6b7280);font-size:.875rem;margin-top:.75rem}.system-countdown span{color:var(--color-primary,#667eea);font-weight:600}.system-page.page-error-404{background:var(--system-gradient-2)}.system-page.page-error-500{background:var(--system-gradient-error)}.system-page.page-error-403{background:var(--system-gradient-warning)}.system-page.page-maintenance{background:var(--system-gradient-3)}.system-page.page-success{background:var(--system-gradient-success)}.system-page.page-auth{background:linear-gradient(160deg,var(--color-bg,#fff) 0,var(--color-bg-secondary,#f5f7fa) 100%)}.system-page.page-auth .system-icon{display:none}@media (prefers-color-scheme:dark){.system-container{border-color:var(--color-border,#374151)}.system-status.success{background:rgba(34,197,94,.1);border-color:rgba(34,197,94,.3);color:#86efac}.system-status.error{background:rgba(239,68,68,.1);border-color:rgba(239,68,68,.3);color:#fca5a5}.system-status.warning{background:rgba(245,158,11,.1);border-color:rgba(245,158,11,.3);color:#fcd34d}.system-status.info{background:rgba(59,130,246,.1);border-color:rgba(59,130,246,.3);color:#93c5fd}}[data-theme-override=dark] .system-container{border-color:var(--color-border,#374151)}[data-theme-override=dark] .system-status.success{background:rgba(34,197,94,.1);border-color:rgba(34,197,94,.3);color:#86efac}[data-theme-override=dark] .system-status.error{background:rgba(239,68,68,.1);border-color:rgba(239,68,68,.3);color:#fca5a5}[data-theme-override=dark] .system-status.warning{background:rgba(245,158,11,.1);border-color:rgba(245,158,11,.3);color:#fcd34d}[data-theme-override=dark] .system-status.info{background:rgba(59,130,246,.1);border-color:rgba(59,130,246,.3);color:#93c5fd}@media (max-width:640px){.system-container{padding:var(--system-padding-mobile)}.system-actions{flex-direction:column;width:100%}.system-actions .btn{width:100%}.system-form .form-actions{flex-direction:column}.system-form .form-actions .btn{width:100%}}@media print{.system-page{background:#fff;min-height:auto}.system-container{border-color:#000;box-shadow:none}.system-actions{display:none}}