:root{--color-bg-main:#fff;--color-bg-soft:#f5f7f6;--color-bg-tabs:#f5f5f5;--color-bg-muted:#eef2f1;--color-text-main:#1f2933;--color-text-tab:#666;--color-text-tab-hover:#333;--color-text-contrast:#000;--color-text-secondary:#52606d;--color-text-light:#7b8794;--color-border:#e4e7eb;--color-white:#fff;--color-transparent:transparent;--color-white-translucent:#ffffffb3;--color-border-soft:#eef2f1;--color-border-section:#e4ebe7;--color-border-brand-soft:#dcece4;--color-border-brand-hover:#bdd8ca;--color-border-interactive-hover:var(--color-border-brand-hover);--color-bg-brand-subtle:#f6fbf8;--color-bg-brand-section:#f5f9f7;--color-bg-interactive-hover:var(--color-bg-brand-subtle);--color-surface-interactive-hover:var(--color-green-soft);--color-control-secondary:var(--color-text-secondary);--color-control-secondary-hover:var(--color-text-main);--color-control-outline-hover:var(--color-bg-muted);--color-control-disabled-border:var(--color-text-light);--color-skeleton-start:var(--color-bg-brand-subtle);--color-skeleton-middle:#e0f5e7;--color-tool-green-soft:#e9f6ef;--color-tool-blue-soft:#edf5fb;--color-tool-violet-soft:#f5effb;--color-quick-goal-balance:#4b8b9e;--color-green-primary:#2f7d5c;--color-green-hover:#25694d;--color-text-link-hover:var(--color-green-hover);--color-green-light:#e6f4ee;--color-green-soft:#f0faf6;--color-accent:#f59e0b;--color-accent-hover:#d97706;--color-accent-soft:#fef3c7;--color-success:#22c55e;--color-warning:#f59e0b;--color-error:#ef4444;--color-info:#3b82f6;--color-violet:#7c3aed;--color-error-soft:#fff5f5;--color-info-soft:#eff6ff;--color-calculator-result-bg:#f8faf9;--color-calculator-result-border:#e6efe9;--color-calculator-result-heading:#0f3d2e;--color-calculator-result-blue:#4a90e2;--color-calculator-result-orange:#fa8e2f;--color-calculator-result-red:#f44;--color-calculator-warning-bg:#fff8e6;--color-calculator-warning-border:#ffe58f;--color-calculator-warning-text:#d48806;--shadow-sm:0 1px 2px #0000000a;--shadow-tab-active:0 2px 8px #00000014;--shadow-md:0 4px 12px #0000000f;--shadow-lg:0 8px 24px #00000014;--shadow-tool-image:0 18px 25px #1f44341f;--shadow-card-hover:0 10px 26px #1f443417;--shadow-control-hover:0 3px 10px #1f443414;--color-focus-ring-brand:#2f7d5c3d;--color-focus-ring:var(--color-focus-ring-brand);--color-overlay:#00000080;--radius-sm:2px;--radius-control:5px;--radius-md:4px;--radius-lg:6px;--radius-xl:8px;--radius-2xl:10px;--radius-3xl:12px;--radius-card:var(--radius-2xl);--radius-card-compact:var(--radius-xl);--radius-control-lg:var(--radius-3xl);--radius-pill:999px;--radius-modal:var(--radius-3xl);--radius-round:50%;--transition-normal:all .3s ease;--transition-none:none;--transition-fast:.2s ease;--transition-card:transform .2s ease,border-color .2s ease,box-shadow .2s ease;--transition-interactive:var(--transition-fast);--interactive-hover-transform:translateY(-2px);--interactive-hover-shadow:var(--shadow-control-hover);--card-hover-shadow:var(--shadow-card-hover);--focus-ring-width:3px;--focus-ring-offset:2px;--z-index-dropdown:1001;--z-index-mobile-menu:999;--z-index-header:100;--content-max-width:1220px;--font-size-title-sm:42px;--font-size-title-md:32px;--font-size-title-lg:24px;--font-size-text-sm:18px;--font-size-text-md:16px;--font-size-text-lg:14px}.error-page{justify-content:center;align-items:center;min-height:100vh;padding:20px;display:flex}.error-container{text-align:center;background:#fff;border:1px solid #e6efe9;border-radius:16px;width:100%;max-width:600px;padding:40px 32px;box-shadow:0 4px 20px #0f3d2e14}.error-illustration{margin-bottom:30px}.error-illustration svg{max-width:180px;height:auto}.error-status{justify-content:center;align-items:center;gap:12px;margin-bottom:24px;display:flex}.error-status .status-code{color:#2ea86e;text-shadow:0 2px 4px #2ea86e1a;font-size:48px;font-weight:700}.error-status .status-text{color:#0f3d2e;padding-left:16px;font-size:24px;font-weight:500;position:relative}.error-status .status-text:before{content:"";background:#d8e6e0;width:2px;height:28px;position:absolute;top:50%;left:0;transform:translateY(-50%)}.error-title{color:#0f3d2e;margin-bottom:16px;font-size:28px;font-weight:600;line-height:1.3}.error-message{color:#4a6459;margin-bottom:32px;font-size:16px;line-height:1.5}.error-actions{justify-content:center;gap:16px;margin-bottom:36px;display:flex}.error-btn{cursor:pointer;border:none;border-radius:8px;min-width:140px;padding:12px 28px;font-size:15px;font-weight:500;transition:all .2s}.error-btn-primary{color:#fff;background:#2ea86e}@media (hover:hover) and (pointer:fine){.error-btn-primary:hover{background:#26965e;transform:translateY(-1px);box-shadow:0 4px 12px #2ea86e33}}.error-btn-primary:active{transform:translateY(0)}.error-btn-secondary{color:#0f3d2e;background:#f3fff6;border:1px solid #d8e6e0}@media (hover:hover) and (pointer:fine){.error-btn-secondary:hover{background:#e6efe9;transform:translateY(-1px);box-shadow:0 4px 12px #0f3d2e1a}}.error-btn-secondary:active{transform:translateY(0)}.error-btn:disabled{opacity:.6;cursor:not-allowed;transform:none!important}.error-help{border-top:1px solid #e6efe9;padding-top:28px}.error-help p{color:#0f3d2e;margin-bottom:16px;font-size:15px;font-weight:500}.error-help ul{text-align:left;margin:0 0 20px;padding:0;list-style:none}.error-help ul li{color:#4a6459;padding:8px 0 8px 22px;font-size:14px;position:relative}.error-help ul li:before{content:"";background:#2ea86e;border-radius:50%;width:8px;height:8px;position:absolute;top:50%;left:0;transform:translateY(-50%)}.support-link{color:#2ea86e;background:#f3fff6;border:1px solid #d8e6e0;border-radius:6px;align-items:center;gap:8px;padding:8px 16px;font-size:14px;font-weight:500;text-decoration:none;transition:all .2s;display:inline-flex}@media (hover:hover) and (pointer:fine){.support-link:hover{background:#e6efe9;border-color:#2ea86e;text-decoration:none}}.support-link:before{content:"✉️";font-size:16px}@keyframes float{0%,to{transform:translateY(0)}50%{transform:translateY(-10px)}}.error-illustration svg{animation:3s ease-in-out infinite float}.error-page--critical .error-status .status-code{color:#ff6b6b}.error-page--critical .error-illustration svg path{stroke:#ff6b6b}.error-page--warning .error-status .status-code{color:#ffc107}.error-page--warning .error-illustration svg path{stroke:#ffc107}.error-page--info .error-status .status-code{color:#17a2b8}.error-page--info .error-illustration svg path{stroke:#17a2b8}@media (max-width:768px){.error-container{margin:0 16px;padding:32px 24px}.error-title{font-size:24px}.error-message{font-size:15px}.error-status{flex-direction:column;gap:6px}.error-status .status-code{font-size:40px}.error-status .status-text{padding-left:0;font-size:20px}.error-status .status-text:before{display:none}.error-actions{flex-direction:column;gap:12px}.error-btn{width:100%;min-width:auto}.error-help ul{text-align:center}.error-help ul li{background:#f8f9fa;border-radius:20px;margin:0 8px 8px 0;padding:6px 12px 6px 24px;display:inline-block}.error-help ul li:before{left:10px}}@media (max-width:480px){.error-container{border-radius:12px;padding:24px 20px}.error-title{font-size:22px}.error-message{font-size:14px}.error-status .status-code{font-size:36px}.error-status .status-text{font-size:18px}.error-illustration svg{max-width:140px}}.error-container:before{content:"";background:linear-gradient(90deg,#2ea86e,#0f3d2e);border-radius:0 0 4px 4px;width:120px;height:4px;position:absolute;top:-1px;left:50%;transform:translate(-50%)}.button-loader{border:2px solid #ffffff4d;border-top-color:#fff;border-radius:50%;width:16px;height:16px;margin-right:8px;animation:1s ease-in-out infinite spin;display:inline-block}@keyframes spin{to{transform:rotate(360deg)}}