:root{--primary-color: #6366f1;--primary-color-hover: #4f46e5;--primary-color-light: #818cf8;--primary-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);--accent-color: #f59e0b;--bg-primary: #f5f7fa;--bg-secondary: #ffffff;--bg-dark: #1e1e2e;--bg-card: #ffffff;--text-primary: #1f2937;--text-secondary: #6b7280;--text-muted: #9ca3af;--border-color: #e5e7eb;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);--shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);--radius-sm: 4px;--radius: 8px;--radius-lg: 12px;--radius-xl: 16px}@keyframes fadeIn{from{opacity:0}to{opacity:1}}@keyframes slideUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes slideDown{from{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}@keyframes spin{from{transform:rotate(0deg)}to{transform:rotate(360deg)}}@keyframes pulse{0%,100%{opacity:1}50%{opacity:.5}}.mod-error{min-height:calc(100vh - 130px);display:flex;align-items:center;justify-content:center;padding:40px 20px;background:linear-gradient(135deg, #f5f7fa 0%, #e4e8ec 100%)}@media screen and (max-width: 767px){.mod-error{padding:30px 15px}}.error-content{text-align:center;max-width:500px}.error-icon{margin-bottom:30px}@media screen and (max-width: 767px){.error-icon{margin-bottom:25px}}.error-icon svg{width:150px;height:150px;color:var(--primary-color)}@media screen and (max-width: 767px){.error-icon svg{width:120px;height:120px}}.error-icon .error-code{font-size:120px;font-weight:900;background:linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);-webkit-background-clip:text;-webkit-text-fill-color:rgba(0,0,0,0);background-clip:text;line-height:1}@media screen and (max-width: 767px){.error-icon .error-code{font-size:80px}}.error-title{font-size:28px;font-weight:700;color:var(--text-primary);margin-bottom:15px}@media screen and (max-width: 767px){.error-title{font-size:22px;margin-bottom:12px}}.error-desc{font-size:16px;color:var(--text-secondary);line-height:1.7;margin-bottom:35px}@media screen and (max-width: 767px){.error-desc{font-size:14px;margin-bottom:25px}}.error-actions{display:flex;align-items:center;justify-content:center;gap:15px;flex-wrap:wrap}@media screen and (max-width: 767px){.error-actions{gap:12px}}.error-actions .error-btn{display:inline-flex;align-items:center;gap:8px;padding:14px 30px;font-size:15px;font-weight:500;border-radius:30px;transition:all .3s}@media screen and (max-width: 767px){.error-actions .error-btn{padding:12px 24px;font-size:14px;gap:6px}}.error-actions .error-btn svg{width:20px;height:20px}@media screen and (max-width: 767px){.error-actions .error-btn svg{width:18px;height:18px}}.error-actions .error-btn.btn-primary{color:#fff;background:var(--primary-gradient);box-shadow:0 5px 20px rgba(99,102,241,.3)}.error-actions .error-btn.btn-primary:hover{transform:translateY(-3px);box-shadow:0 8px 25px rgba(99,102,241,.4)}.error-actions .error-btn.btn-secondary{color:var(--text-primary);background:#fff;border:1px solid var(--border-color)}.error-actions .error-btn.btn-secondary:hover{color:var(--primary-color);border-color:var(--primary-color)}.error-404 .error-illustration{position:relative;margin-bottom:30px}.error-404 .error-illustration .illustration-text{font-size:180px;font-weight:900;background:linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);-webkit-background-clip:text;-webkit-text-fill-color:rgba(0,0,0,0);background-clip:text;line-height:1;opacity:.1;position:absolute;top:50%;left:50%;transform:translate(-50%, -50%)}@media screen and (max-width: 767px){.error-404 .error-illustration .illustration-text{font-size:120px}}.error-404 .error-illustration svg{position:relative;z-index:1}.error-500 .error-icon{animation:shake .5s ease-in-out}@keyframes shake{0%,100%{transform:translateX(0)}10%,30%,50%,70%,90%{transform:translateX(-5px)}20%,40%,60%,80%{transform:translateX(5px)}}.error-suggestions{margin-top:50px;padding-top:30px;border-top:1px dashed var(--border-color)}@media screen and (max-width: 767px){.error-suggestions{margin-top:35px;padding-top:25px}}.error-suggestions .suggestions-title{font-size:14px;color:var(--text-muted);margin-bottom:20px}@media screen and (max-width: 767px){.error-suggestions .suggestions-title{font-size:13px;margin-bottom:15px}}.error-suggestions .suggestions-list{display:flex;justify-content:center;flex-wrap:wrap;gap:12px}@media screen and (max-width: 767px){.error-suggestions .suggestions-list{gap:10px}}.error-suggestions .suggestion-item{padding:10px 20px;font-size:14px;color:var(--text-primary);background:#fff;border-radius:20px;box-shadow:var(--shadow-sm);transition:all .2s}@media screen and (max-width: 767px){.error-suggestions .suggestion-item{padding:8px 16px;font-size:13px}}.error-suggestions .suggestion-item:hover{color:var(--primary-color);box-shadow:var(--shadow);transform:translateY(-2px)}.error-countdown{margin-top:30px;font-size:14px;color:var(--text-muted)}@media screen and (max-width: 767px){.error-countdown{margin-top:25px;font-size:13px}}.error-countdown .countdown-number{font-size:18px;font-weight:700;color:var(--primary-color);margin:0 5px}@media screen and (max-width: 767px){.error-countdown .countdown-number{font-size:16px}}