.tool-page { max-width: 1160px; }
.guide-kicker { font: 500 11px ui-monospace, monospace; color: var(--accent); letter-spacing: .08em; text-transform: uppercase; margin-top: 28px; }
.guide-intro { max-width: 62ch; color: var(--muted); font-size: 17px; line-height: 1.8; }
.utility-tool { margin: 30px 0 42px; border: 1px solid var(--line); border-radius: 8px; overflow: hidden; font-family: 'Manrope', system-ui, sans-serif; }
.tool-heading { padding: 19px 24px; border-bottom: 1px solid var(--line); display: flex; align-items: center; justify-content: space-between; gap: 18px; }
.tool-heading h2 { font: 600 17px 'Manrope', system-ui, sans-serif; margin: 0; letter-spacing: -.02em; }
.tool-heading span { font-size: 11px; color: var(--muted); }
.utility-grid { display: grid; grid-template-columns: 1fr 1fr; }
.utility-form { padding: 24px; }
.tool-fields { display: grid; grid-template-columns: 1fr 1fr; gap: 17px 18px; }
.tool-field label { display: block; font-size: 12px; font-weight: 600; line-height: 1.5; margin-bottom: 7px; }
.tool-field input, .tool-field select { width: 100%; min-width: 0; border: 1px solid var(--line); border-radius: 4px; padding: 11px 12px; color: var(--ink); background: var(--field-bg); font: 500 16px 'DM Mono', ui-monospace, monospace; }
.tool-field small { display: block; margin-top: 6px; color: var(--muted); font-size: 10px; line-height: 1.6; }
.tool-check { display: flex; align-items: center; gap: 9px; font-size: 12px; grid-column: 1 / -1; }
.tool-check input { width: 17px; height: 17px; accent-color: var(--accent); }
.tool-submit { width: 100%; padding: 15px 20px; margin-top: 24px; background: var(--accent); border: 0; border-radius: 4px; color: var(--on-accent); font: 600 14px system-ui, sans-serif; cursor: pointer; transition: transform .2s, background .2s; }
.tool-submit:hover { background: var(--accent-hover); transform: translateY(-1px); }
.tool-submit:active { transform: translateY(1px); }
.utility-output { background: var(--paper); border-left: 1px solid var(--line); padding: 28px 24px; }
.tool-placeholder { height: 100%; min-height: 170px; display: flex; flex-direction: column; justify-content: center; align-items: flex-start; gap: 14px; }
.tool-placeholder svg { width: 50px; height: 50px; stroke: var(--accent); stroke-width: 1.5; fill: none; }
.tool-placeholder p { font-size: 13px; color: var(--muted); max-width: 30ch; margin: 0; }
.tool-result-label { margin: 0; color: var(--muted); font-size: 12px; }
.tool-result-value { display: flex; align-items: baseline; flex-wrap: wrap; gap: 11px; margin: 7px 0 22px; }
.tool-result-number { color: var(--accent); font: 500 clamp(36px, 5vw, 48px) 'DM Mono', ui-monospace, monospace; letter-spacing: -.07em; font-variant-numeric: tabular-nums; }
.tool-result-unit { color: var(--muted); font-size: 14px; }
.tool-result-rows { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 0; margin: 0; }
.tool-result-rows dt, .tool-result-rows dd { padding: 12px 0; border-top: 1px solid var(--line); font-size: 12px; margin: 0; max-width: none; }
.tool-result-rows dd { font-family: ui-monospace, monospace; text-align: right; padding-left: 20px; max-width: 25ch; font-variant-numeric: tabular-nums; overflow-wrap: anywhere; }
.tool-result-actions { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; margin-top: 24px; }
.tool-download { font: 600 12px system-ui, sans-serif; background: transparent; border: 1px solid var(--line); border-radius: 3px; padding: 11px 13px; color: var(--ink); cursor: pointer; }
.tool-download:hover { border-color: var(--accent); }
.tool-project-link { font-size: 12px; }
.tool-error { font-size: 13px; line-height: 1.6; color: var(--accent); margin: 15px 0 0; }
.tool-limit { max-width: none; font-size: 12px; padding: 13px 24px; margin: 0; border-top: 1px solid var(--line); color: var(--muted); background: var(--bg); }
.source-note { padding-top: 22px; border-top: 1px solid var(--line); margin-top: 35px; font-size: 12px; color: var(--muted); line-height: 1.8; }
.source-note ul { padding-left: 18px; margin: 8px 0 0; }
.guide-jump { display: flex; flex-wrap: wrap; gap: 12px 22px; margin: 24px 0; padding-bottom: 18px; border-bottom: 1px solid var(--line); font-size: 12px; }
.guide-jump a { color: var(--ink); }
.utility-tool [hidden] { display: none !important; }
@media(max-width: 760px) { .utility-grid { grid-template-columns: 1fr; } .utility-output { border-left: 0; border-top: 1px solid var(--line); } .tool-heading, .utility-form, .utility-output { padding: 20px 18px; } .tool-heading { align-items: flex-start; flex-direction: column; gap: 5px; } .tool-fields { gap: 17px 12px; } .tool-limit { padding: 13px 18px; } }
@media(max-width: 360px) { .tool-fields { grid-template-columns: 1fr; } }
@media(prefers-reduced-motion: reduce) { .tool-submit { transition: none; } }
@media print { .utility-form, .tool-heading span, .tool-result-actions, .guide-jump { display: none !important; } .utility-grid { display: block; } .utility-output { border: 0; } }