/* ZeroFee Tools - Robots.txt Generator */
* { box-sizing: border-box; margin: 0; padding: 0; }
:root { --acc1: #c2410c; --acc2: #ea580c; --ink: #1e293b; --muted: #64748b; --line: #e2e8f0; --bg: #f8fafc; --card: #ffffff; --ok: #16a34a; --warn: #d97706; --bad: #dc2626; }
body { font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; background: var(--bg); color: var(--ink); line-height: 1.6; }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 20px; }
.muted { color: var(--muted); } .small { font-size: .85rem; } .center { text-align: center; }
#siteHeader { background: linear-gradient(135deg, var(--acc1), var(--acc2)); color: #fff; padding: 26px 0 0; }
.header-inner { display: flex; align-items: center; }
.brand { display: flex; gap: 14px; align-items: center; }
.hub-link { color: #fff; text-decoration: none; font-size: .85rem; opacity: .85; display: block; margin-bottom: 2px; }
.hub-link:hover { opacity: 1; text-decoration: underline; }
.brand-name { font-size: 1.7rem; line-height: 1.1; }
.brand-tag { opacity: .9; font-size: .9rem; }
.free-banner { text-align: center; font-size: .82rem; padding: 10px 16px 14px; opacity: .95; }
#main { padding: 30px 0 10px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 20px; margin-top: 18px; }
label { display: block; font-size: .9rem; font-weight: 600; margin-bottom: 14px; }
input[type="text"], input[type="number"], textarea, select { display: block; width: 100%; margin-top: 6px; padding: 10px 12px; font-size: .95rem; border: 1px solid var(--line); border-radius: 10px; background: #fff; color: var(--ink); font-weight: 400; font-family: inherit; }
textarea { resize: vertical; }
input:focus, textarea:focus, select:focus { outline: 2px solid var(--acc1); border-color: var(--acc1); }
.btn { border: none; border-radius: 10px; padding: 11px 22px; font-size: .95rem; font-weight: 700; cursor: pointer; }
.btn-primary { background: linear-gradient(135deg, var(--acc1), var(--acc2)); color: #fff; }
.btn-primary:hover { filter: brightness(1.08); }
.btn-ghost { background: #fff7ed; color: var(--acc1); }
.btn-ghost:hover { background: #ffedd5; }
.btn-small { padding: 7px 14px; font-size: .82rem; }
.btn-danger { background: #fef2f2; color: var(--bad); padding: 7px 12px; font-size: .82rem; }
.btn-danger:hover { background: #fee2e2; }
.tool-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; align-items: start; margin-top: 18px; }
@media (max-width: 900px) { .tool-grid { grid-template-columns: 1fr; } }
.ua-group { border: 1px solid var(--line); border-radius: 12px; padding: 16px; margin-bottom: 14px; background: #fff; }
.ua-group h3 { font-size: 1rem; margin-bottom: 10px; display: flex; justify-content: space-between; align-items: center; }
.ua-group h3 code { background: #fff7ed; color: var(--acc1); padding: 2px 10px; border-radius: 6px; font-size: .85rem; }
.rule-row { display: grid; grid-template-columns: 130px 1fr auto; gap: 8px; margin-bottom: 8px; align-items: center; }
.rule-row select, .rule-row input { margin-top: 0; }
@media (max-width: 520px) { .rule-row { grid-template-columns: 1fr; } }
.group-actions { display: flex; gap: 8px; margin-top: 6px; flex-wrap: wrap; }
#robotsOut { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: .88rem; background: #1e293b; color: #e2e8f0; min-height: 320px; }
.out-actions { display: flex; gap: 10px; margin-top: 12px; flex-wrap: wrap; }
.toast { position: fixed; left: 50%; bottom: 26px; transform: translateX(-50%) translateY(20px); background: #1e293b; color: #fff; padding: 12px 20px; border-radius: 12px; font-size: .9rem; opacity: 0; pointer-events: none; transition: .25s; z-index: 50; max-width: 90vw; text-align: center; }
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
.related-tools { margin: 34px 0 44px; }
.related-tools h2 { font-size: 1.3rem; margin-bottom: 14px; }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
@media (max-width: 700px) { .related-grid { grid-template-columns: 1fr; } }
.related-card { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 16px; text-decoration: none; color: var(--ink); display: block; }
.related-card:hover { border-color: var(--acc1); box-shadow: 0 4px 16px rgba(0,0,0,.06); }
.related-card strong { display: block; margin-bottom: 4px; color: var(--acc1); }
.related-card span { font-size: .88rem; color: var(--muted); }