* { box-sizing: border-box; }
body { margin: 0; background: var(--tt-bg, #f5f7fb); color: var(--tt-text, #172033); font-family: var(--tt-font, system-ui, sans-serif); }
.page { max-width: var(--tt-maxw, 1180px); margin: 0 auto; padding: 30px 20px 54px; }
.hero { margin-bottom: 18px; }
.eyebrow { color: var(--tt-primary, #2563eb); font-weight: 700; margin: 0 0 6px; font-size: .9rem; }
h1 { margin: 0; font-size: clamp(1.7rem, 4vw, 2.5rem); }
.intro, .notice-row { color: var(--tt-muted, #5d6b82); }
.notice-row { display: flex; flex-wrap: wrap; gap: 12px 24px; font-size: .88rem; }
.tool-card, .summary, article, .exports { background: var(--tt-surface, #ffffff); border: 1px solid var(--tt-line, #d9e1ef); border-radius: var(--tt-radius, 12px); box-shadow: var(--tt-shadow, 0 4px 16px rgba(20,40,75,.06)); }
.tool-card { padding: 18px; }
.input-head, .options { display: flex; justify-content: space-between; gap: 14px; align-items: center; }
.input-head label { font-weight: 700; }
.input-head span, .options { color: var(--tt-muted, #5d6b82); font-size: .88rem; }
textarea { width: 100%; margin: 10px 0; min-height: 190px; resize: vertical; padding: 12px; border: 1px solid var(--tt-line, #d9e1ef); border-radius: 8px; background: var(--tt-surface-soft, #fbfdff); color: var(--tt-text, #172033); font: .87rem/1.45 ui-monospace, SFMono-Regular, Menlo, monospace; }
.check { display: flex; align-items: center; gap: 7px; }
.warning { min-height: 1.1em; color: var(--tt-danger, #b42318); margin: 10px 0 0; font-size: .9rem; }
.summary { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; padding: 13px; margin: 18px 0; }
.summary div { padding: 4px 10px; border-left: 3px solid var(--tt-primary-soft, #e9f1ff); }
.summary .k { display: block; color: var(--tt-muted, #5d6b82); font-size: .78rem; }
.views { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
article { overflow: hidden; }
h2 { margin: 0; padding: 12px 15px; font-size: 1rem; border-bottom: 1px solid var(--tt-line, #d9e1ef); }
pre { margin: 0; padding: 14px; min-height: 90px; white-space: pre-wrap; overflow-wrap: anywhere; font: .8rem/1.5 ui-monospace, SFMono-Regular, Menlo, monospace; }
.json-panel { grid-column: 1 / -1; }
.exports { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; padding: 16px; margin-top: 18px; }
button { cursor: pointer; border: 0; border-radius: 8px; padding: 10px 14px; color: white; background: var(--tt-primary, #2563eb); font-weight: 700; }
button:hover { background: var(--tt-primary-dark, #1d4ed8); }
.copy-status { color: var(--tt-success, #087443); font-size: .9rem; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }
.after-content { margin-top: 24px; }
@media (max-width: 720px) { .summary, .views { grid-template-columns: 1fr; } .json-panel { grid-column: auto; } .page { padding: 20px 12px; } }