.tool-page { min-height: 100vh; background: var(--base); }
.tool-nav { padding: 22px 40px; border-bottom: 1px solid var(--rule-soft); display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.tool-nav-links { display: flex; gap: 18px; color: var(--ink-3); font-size: 14px; }
.tool-nav-links a:hover { color: var(--ink-1); }
.tool-shell { max-width: 1040px; margin: 0 auto; padding: 90px 40px 110px; }
.tool-header { max-width: 700px; }
.tool-header h1 { margin-top: 20px; font-size: clamp(42px, 6vw, 72px); line-height: 1; letter-spacing: -.05em; }
.tool-header p { margin-top: 18px; color: var(--ink-3); font-size: 18px; }
.tool-card { margin-top: 42px; padding: 30px; background: var(--surface-1); border: 1px solid var(--rule); border-radius: 18px; }
.tool-label { display: block; margin-bottom: 8px; color: var(--ink-2); font-size: 14px; font-weight: 600; }
.tool-input, .tool-select { width: 100%; padding: 13px 14px; color: var(--ink-1); background: rgba(255,255,255,.07); border: 1px solid var(--rule-strong); border-radius: 9px; font: inherit; }
.tool-input:focus, .tool-select:focus { outline: 2px solid rgba(93,168,255,.35); border-color: var(--halo); }
textarea.tool-input { min-height: 150px; resize: vertical; }
.tool-field { margin-top: 22px; }
.tool-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.tool-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.tool-output { display: none; margin-top: 24px; padding: 24px; background: #07101d; border: 1px solid rgba(93,168,255,.3); border-radius: 12px; }
.tool-output.visible { display: block; }
.tool-output h2 { color: var(--ink-1); font-size: 22px; }
.tool-output h3 { margin-top: 20px; color: var(--halo-soft); font-size: 14px; letter-spacing: .08em; text-transform: uppercase; }
.tool-output p, .tool-output li { color: var(--ink-2); font-size: 15px; }
.tool-output ul { margin: 10px 0 0 20px; }
.tool-output li + li { margin-top: 7px; }
.tool-output pre { max-height: 520px; margin-top: 16px; padding: 18px; overflow: auto; color: var(--ink-2); background: rgba(0,0,0,.3); border-radius: 8px; white-space: pre-wrap; font: 14px/1.6 var(--mono); }
.tool-note { margin-top: 14px; color: var(--ink-4); font-size: 12px; }
.tool-footer { padding: 34px 40px; border-top: 1px solid var(--rule-soft); text-align: center; color: var(--ink-4); font-size: 13px; }
.tool-footer a { color: var(--ink-3); }
.tool-footer a:hover { color: var(--halo); }
.tool-community-cta { max-width: 1040px; margin: 0 auto 80px; padding: 28px 40px; display: grid; grid-template-columns: 128px 1fr; gap: 28px; align-items: center; background: linear-gradient(135deg, rgba(93,168,255,.1), rgba(17,17,17,.88)); border: 1px solid rgba(93,168,255,.24); border-radius: 18px; }
.tool-community-cta-qr { width: 128px; padding: 10px; background: #fff; border-radius: 10px; }
.tool-community-cta-qr img { display: block; width: 100%; height: auto; }
.tool-community-cta h2 { font-size: clamp(26px, 3vw, 38px); }
.tool-community-cta p { max-width: 58ch; margin-top: 10px; color: var(--ink-3); }
.tool-community-cta-links { display: flex; flex-wrap: wrap; gap: 10px 16px; margin-top: 18px; font-size: 13px; }
.tool-community-cta-links a { color: var(--halo-soft); text-decoration: underline; text-underline-offset: 3px; }
.tool-community-cta-links a:hover { color: var(--ink-1); }
.tool-choice { display: flex; flex-wrap: wrap; gap: 9px; }
.tool-choice button { padding: 10px 14px; color: var(--ink-3); background: transparent; border: 1px solid var(--rule-strong); border-radius: 999px; cursor: pointer; font: inherit; }
.tool-choice button.active, .tool-choice button:hover { color: var(--ink-1); border-color: var(--halo); background: rgba(93,168,255,.1); }
@media (max-width: 700px) { .tool-nav { padding: 18px 24px; } .tool-nav-links { gap: 10px; font-size: 12px; } .tool-shell { padding: 70px 24px 80px; } .tool-card { padding: 22px; } .tool-grid { grid-template-columns: 1fr; } .tool-community-cta { margin: 0 24px 60px; padding: 22px; grid-template-columns: 1fr; gap: 18px; } .tool-community-cta-qr { width: 112px; } .tool-footer { padding: 28px 24px; } }