* { box-sizing: border-box; }
body { margin: 0; background: var(--tt-bg, #f5f7fb); color: var(--tt-text, #172033); font: 15px/1.55 var(--tt-font, system-ui, sans-serif); }
.page { max-width: var(--tt-maxw, 1120px); margin: 0 auto; padding: 32px 20px 56px; }
.hero { margin-bottom: 20px; }
h1 { margin: 0; font-size: clamp(2rem, 5vw, 3rem); line-height: 1.1; }
.hero p { color: var(--tt-muted, #5d6b82); margin: 8px 0 0; }
.eyebrow { color: var(--tt-primary, #2563eb) !important; font-weight: 700; text-transform: uppercase; letter-spacing: .08em; font-size: .78rem; }
.tool, .guide, .card { 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(23,32,51,.08)); }
.tool { padding: 20px; }
label { font-weight: 700; display: block; margin-bottom: 7px; }
textarea { width: 100%; min-height: 142px; 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: 13px/1.45 ui-monospace, monospace; }
#command-help, .muted { color: var(--tt-muted, #5d6b82); font-size: .88rem; }
.error { display: none; margin: 14px 0; padding: 12px; border-radius: 8px; color: var(--tt-danger, #b42318); background: var(--tt-primary-soft, #e9f1ff); font-weight: 600; }
.error.show { display: block; }
.grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; margin-top: 18px; }
.card { padding: 16px; box-shadow: none; }
.card h2, .guide h2 { font-size: 1.1rem; margin: 0 0 10px; }
.wide { grid-column: 1 / -1; }
table { width: 100%; border-collapse: collapse; font-size: .9rem; }
th, td { text-align: left; padding: 6px; border-bottom: 1px solid var(--tt-line, #d9e1ef); vertical-align: top; overflow-wrap: anywhere; }
th { color: var(--tt-muted, #5d6b82); }
.code-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
button { border: 0; border-radius: 7px; padding: 7px 10px; background: var(--tt-primary, #2563eb); color: #fff; font-weight: 700; cursor: pointer; }
button:hover { background: var(--tt-primary-dark, #1d4ed8); }
pre { white-space: pre-wrap; overflow-wrap: anywhere; margin: 8px 0 0; padding: 12px; border-radius: 8px; background: var(--tt-surface-soft, #fbfdff); border: 1px solid var(--tt-line, #d9e1ef); font: 12px/1.5 ui-monospace, monospace; }
.notice { border-left: 4px solid var(--tt-primary, #2563eb); padding-left: 10px; }
.warning { color: var(--tt-danger, #b42318); font-weight: 700; }
.guide { margin-top: 20px; padding: 20px; }
.guide p { color: var(--tt-muted, #5d6b82); }
code { color: var(--tt-text, #172033); }
@media (max-width: 760px) { .grid { grid-template-columns: 1fr; } .wide { grid-column: auto; } .page { padding: 20px 12px; } }