.err-page-header{max-width:760px;margin:0 auto;padding:24px 16px 16px}.err-page-subtitle{font-size:15px;color:var(--swp-ink-2);margin:0;line-height:1.6}.err-tool-wrapper{max-width:760px;margin:0 auto;padding:0 16px;display:flex;flex-direction:column;gap:16px}.err-filter-group{display:flex;flex-wrap:wrap;gap:8px}.err-filter-btn{height:36px;padding:0 14px;border-radius:var(--r-pill);border:1.5px solid var(--swp-border);font-size:13px;font-weight:500;cursor:pointer;background:transparent;color:var(--swp-ink);font-family:var(--font-sans);transition:background .15s,color .15s,border-color .15s}.err-filter-btn:hover{border-color:var(--color-primary);color:var(--color-primary)}.err-filter-btn:focus-visible{outline:none;box-shadow:0 0 0 3px #0f766e59}.err-filter-btn--active{background:var(--color-primary);color:#fff;border-color:var(--color-primary)}.err-filter-btn--active:hover{background:var(--color-primary);color:#fff}.err-input-section{background:var(--swp-surface);border:1.5px solid var(--swp-border);border-radius:var(--r-md);padding:16px;transition:border-color .15s,box-shadow .15s}.err-input-section:focus-within{border-color:var(--color-primary);box-shadow:0 0 0 3px #0f766e1f}.err-textarea{width:100%;font-family:var(--font-mono);font-size:13px;line-height:1.6;padding:10px 12px;border:1px solid var(--swp-border);border-radius:var(--r-sm);background:var(--swp-paper);color:var(--swp-ink);resize:vertical;outline:none;min-height:96px;box-sizing:border-box;transition:border-color .15s,box-shadow .15s}.err-textarea::placeholder{color:var(--swp-ink-3)}.err-textarea:focus{border-color:var(--color-primary);box-shadow:0 0 0 2px #0f766e1a}.err-input-footer{display:flex;justify-content:flex-end;margin-top:8px;padding-bottom:4px}.err-clear-btn{background:transparent;border:1px solid var(--swp-border);border-radius:var(--r-sm);padding:4px 10px;font-size:12px;color:var(--swp-ink-2);cursor:pointer;height:28px;min-width:44px;display:inline-flex;align-items:center;font-family:var(--font-sans);transition:border-color .1s,color .1s}.err-clear-btn:hover{border-color:var(--swp-ink-2);color:var(--swp-ink)}.err-clear-btn:focus-visible{outline:none;box-shadow:0 0 0 3px #0f766e59}.err-result-region{min-height:80px}.err-count-badge{display:inline-flex;align-items:center;padding:4px 12px;border-radius:var(--r-pill);background:#ecfdf5;color:#065f46;font-size:13px;font-weight:600;margin-bottom:12px}.err-card-list{display:flex;flex-direction:column;gap:16px}.err-card{background:var(--swp-surface);border:1.5px solid var(--swp-border);border-radius:var(--r-md);padding:20px;display:flex;flex-direction:column;gap:12px;transition:box-shadow .15s,border-color .15s}.err-card:hover{box-shadow:0 2px 8px #0000000f;border-color:var(--color-primary)}.err-card__header{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.err-card__icon{font-size:20px;flex-shrink:0}.err-card__title{font-size:16px;font-weight:600;color:var(--swp-ink);flex:1;margin:0}.err-lang-badge{font-size:11px;font-weight:700;padding:2px 8px;border-radius:var(--r-pill);flex-shrink:0;white-space:nowrap}.err-lang-badge--html{background:#ccfbf1;color:#0f766e}.err-lang-badge--css{background:#fef9c3;color:#854d0e}.err-lang-badge--js{background:#ede9fe;color:#6d28d9}.err-lang-badge--env{background:#dcfce7;color:#166534}.err-card__body{display:flex;flex-direction:column;gap:10px;border-top:1px solid var(--swp-border);padding-top:12px}.err-card__section{display:grid;grid-template-columns:44px 1fr;gap:0 10px;align-items:start}.err-card__label{font-size:11px;font-weight:700;color:var(--swp-ink-2);text-transform:uppercase;letter-spacing:.05em;padding-top:2px}.err-card__section p,.err-card__section div{font-size:14px;line-height:1.7;color:var(--swp-ink);margin:0}.err-card__section code{font-size:13px}.err-card__footer{display:flex;justify-content:flex-end;border-top:1px solid var(--swp-border);padding-top:10px;margin-top:4px}.err-card__link{font-size:13px;font-weight:500;color:var(--color-primary);text-decoration:none;padding:8px 0;display:inline-block}.err-card__link:hover{text-decoration:underline}.err-guidance{background:var(--swp-paper);border:1.5px dashed var(--swp-border);border-radius:var(--r-md);padding:24px 20px;color:var(--swp-ink-2);font-size:15px}.err-guidance__title{font-size:15px;font-weight:600;color:var(--swp-ink);margin:0 0 14px}.err-guidance__steps{list-style:none;padding:0;margin:0 0 14px;counter-reset:steps;display:flex;flex-direction:column;gap:10px}.err-guidance__step{display:flex;gap:10px;align-items:flex-start;counter-increment:steps;font-size:15px;line-height:1.8;color:var(--swp-ink)}.err-guidance__step:before{content:counter(steps);display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;min-width:22px;border-radius:50%;background:var(--color-primary);color:#fff;font-size:12px;font-weight:700;margin-top:2px}.err-guidance__langs{font-size:13px;color:var(--swp-ink-2);margin:0}.err-empty-msg{text-align:center;padding:32px 16px}.err-empty-msg__icon{font-size:32px;display:block;margin-bottom:8px}.err-empty-msg__text{font-size:15px;color:var(--swp-ink-2);margin-bottom:16px}.err-empty-msg__link{display:inline-flex;align-items:center;gap:6px;padding:10px 20px;background:var(--color-primary);color:#fff;border-radius:var(--r-md);font-size:14px;font-weight:500;text-decoration:none}.err-empty-msg__link:hover{opacity:.9}.err-section-page{max-width:760px;margin-left:auto;margin-right:auto;padding:0 16px}.err-section-page-title{font-size:clamp(18px,4vw,22px);font-weight:700;color:var(--swp-ink);margin:0 0 16px}.err-steps{padding-left:20px;display:flex;flex-direction:column;gap:10px;margin:0}.err-steps li{font-size:15px;line-height:1.6;color:var(--swp-ink)}.err-related-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:8px}.err-related-tools{display:flex;flex-direction:column;gap:8px}.err-related-link{color:var(--color-primary);text-decoration:none;font-size:15px}.err-related-link:hover{text-decoration:underline}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@media(max-width:767px){.err-tool-wrapper,.err-section-page{padding:0 12px}}@media(prefers-reduced-motion:reduce){.err-filter-btn,.err-card{transition:none}}