/* ── Robots.txt Generator — CSS ── */
:root{
  --bg:#0f0f14;--bg-card:#1e1e28;--bg-surface:#18181f;
  --primary:#10b981;--secondary:#34d399;
  --text:#e8e8f0;--text-muted:#9999b8;--text-faint:#555570;
  --border:rgba(255,255,255,.08);--border-strong:rgba(255,255,255,.14);
  --radius:14px;--radius-sm:8px;
  --font:'Inter',system-ui,sans-serif;--font-mono:'Fira Code','Cascadia Code',monospace;
}
*{box-sizing:border-box;margin:0;padding:0}
body{background:var(--bg);color:var(--text);font-family:var(--font);font-size:15px;line-height:1.6;-webkit-font-smoothing:antialiased}
a{color:var(--primary);text-decoration:none}
a:hover{text-decoration:underline}
code{font-family:var(--font-mono);font-size:.85em;background:rgba(16,185,129,.12);color:#6ee7b7;padding:2px 6px;border-radius:4px}

/* ── Header ── */
.site-header{background:rgba(15,15,20,.9);backdrop-filter:blur(14px);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100;padding:0 24px;height:58px;display:flex;align-items:center}
.header-inner{width:100%;max-width:1200px;margin:0 auto;display:flex;align-items:center;justify-content:space-between}
.logo{display:flex;align-items:center;gap:9px;text-decoration:none}
.logo-icon{width:32px;height:32px;flex-shrink:0}
.logo-text{font-size:.97rem;font-weight:700;color:var(--text);letter-spacing:-.01em}
.main-nav{display:flex;gap:6px}
.nav-link{padding:5px 12px;border-radius:var(--radius-sm);font-size:.84rem;font-weight:500;color:var(--text-muted);text-decoration:none;transition:color .15s,background .15s}
.nav-link:hover,.nav-link.active{color:var(--text);background:rgba(255,255,255,.06)}

/* ── Wrap ── */
.main-wrap{max-width:1200px;margin:0 auto;padding:28px 24px 80px}
@media(max-width:640px){.main-wrap{padding:18px 14px 60px}}

/* ── Hero ── */
.tool-hero{text-align:center;padding:28px 0 20px}
.tool-badge{display:inline-flex;align-items:center;gap:5px;padding:4px 12px;background:rgba(16,185,129,.12);color:var(--primary);border-radius:20px;font-size:.73rem;font-weight:600;margin-bottom:12px}
.tool-title{font-size:clamp(1.6rem,4vw,2.2rem);font-weight:800;letter-spacing:-.02em;margin-bottom:8px}
.gradient-title{background:linear-gradient(135deg,var(--primary) 0%,var(--secondary) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent}
.tool-subtitle{font-size:.97rem;color:var(--text-muted);max-width:540px;margin:0 auto}

/* ── Ad slot ── */
.ad-slot{background:rgba(255,255,255,.02);border:1px dashed rgba(255,255,255,.07);border-radius:var(--radius);display:flex;align-items:center;justify-content:center;min-height:90px;font-size:.75rem;color:var(--text-faint);text-align:center;padding:12px}

/* ── Quick actions ── */
.quick-actions{display:flex;gap:8px;margin-bottom:14px;flex-wrap:wrap}
.q-btn{display:inline-flex;align-items:center;gap:6px;padding:7px 14px;border-radius:var(--radius-sm);font-size:.82rem;font-weight:600;border:1px solid var(--border);background:var(--bg-card);color:var(--text-muted);cursor:pointer;transition:all .15s}
.q-btn:hover{border-color:var(--primary);color:var(--text)}
.q-btn.primary{background:var(--primary);border-color:var(--primary);color:#fff}
.q-btn.primary:hover{opacity:.88}

/* ── Stats bar ── */
.stats-bar{display:flex;gap:6px;margin-bottom:18px;flex-wrap:wrap}
.stat-item{display:flex;align-items:center;gap:6px;padding:6px 12px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-sm);font-size:.78rem}
.stat-label{color:var(--text-faint)}
.stat-value{font-weight:600;font-family:var(--font-mono);color:var(--text-muted)}
.stat-value.good{color:#34d399}
.stat-value.warn{color:#fbbf24}
.stat-value.bad{color:#f87171}

/* ── Tool grid ── */
.tool-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;align-items:start}
@media(max-width:900px){.tool-grid{grid-template-columns:1fr}}

/* ── Form card ── */
.form-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);margin-bottom:14px;overflow:hidden}
.pane-header{display:flex;align-items:center;justify-content:space-between;padding:12px 18px;border-bottom:1px solid var(--border);background:rgba(255,255,255,.02)}
.pane-title{font-size:.82rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--text-faint);display:flex;align-items:center;gap:6px}
.pane-title svg{color:var(--primary)}
.form-body{padding:16px 18px;display:flex;flex-direction:column;gap:12px}
.field{display:flex;flex-direction:column;gap:5px}
.field-label{font-size:.78rem;font-weight:600;color:var(--text-muted)}
.field-input,.field-select,.field-textarea{background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-sm);padding:8px 11px;color:var(--text);font-size:.85rem;font-family:var(--font);width:100%;transition:border-color .15s}
.field-input:focus,.field-select:focus,.field-textarea:focus{outline:none;border-color:rgba(16,185,129,.5)}
.field-select{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23555570' stroke-width='2.5'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 10px center;padding-right:28px}
.field-textarea{resize:vertical;min-height:70px;font-family:var(--font-mono)}
.field-hint{font-size:.73rem;color:var(--text-faint)}
.col2{display:grid;grid-template-columns:1fr 1fr;gap:10px}

/* ── Toggle ── */
.toggle-switch{width:34px;height:18px;border-radius:9px;position:relative;cursor:pointer;transition:background .2s;flex-shrink:0}
.toggle-knob{position:absolute;top:2px;left:2px;width:14px;height:14px;border-radius:50%;background:#fff;transition:transform .2s}
.toggle-row{display:flex;align-items:center;justify-content:space-between;padding:6px 0}
.toggle-label{font-size:.82rem;font-weight:600;color:var(--text-muted)}

/* ── Rule builder ── */
.rules-list{display:flex;flex-direction:column;gap:8px}
.rule-item{background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-sm);overflow:hidden;transition:border-color .15s}
.rule-item:hover{border-color:var(--border-strong)}
.rule-header{display:flex;align-items:center;gap:8px;padding:10px 12px;cursor:pointer}
.rule-drag{color:var(--text-faint);cursor:grab;font-size:.9rem}
.rule-badge{padding:2px 8px;border-radius:10px;font-size:.7rem;font-weight:700}
.rule-badge.allow{background:rgba(52,211,153,.12);color:#34d399}
.rule-badge.disallow{background:rgba(248,113,113,.12);color:#f87171}
.rule-name{font-size:.82rem;font-weight:600;color:var(--text);flex:1;font-family:var(--font-mono)}
.rule-actions{display:flex;gap:4px}
.rule-action-btn{background:none;border:none;color:var(--text-faint);cursor:pointer;padding:3px 6px;border-radius:4px;font-size:.75rem;transition:color .15s,background .15s}
.rule-action-btn:hover{color:var(--text);background:rgba(255,255,255,.06)}
.rule-body{padding:0 12px 12px;display:flex;flex-direction:column;gap:8px}

.add-rule-btn{display:flex;align-items:center;justify-content:center;gap:6px;width:100%;padding:9px;background:rgba(16,185,129,.06);border:1px dashed rgba(16,185,129,.3);border-radius:var(--radius-sm);color:var(--primary);font-size:.82rem;font-weight:600;cursor:pointer;transition:all .15s}
.add-rule-btn:hover{background:rgba(16,185,129,.1);border-color:rgba(16,185,129,.5)}

/* ── Presets ── */
.presets-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:8px}
.preset-btn{padding:9px 12px;background:var(--bg-surface);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text-muted);font-size:.78rem;font-weight:600;cursor:pointer;text-align:left;transition:all .15s}
.preset-btn:hover{border-color:var(--primary);color:var(--text)}

/* ── Output card ── */
.output-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;position:sticky;top:74px}
.output-header{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;border-bottom:1px solid var(--border);background:rgba(255,255,255,.02)}
.output-title{font-size:.82rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--text-faint);display:flex;align-items:center;gap:6px}
.output-title svg{color:var(--primary)}
.output-actions{display:flex;gap:6px}
.out-btn{display:inline-flex;align-items:center;gap:5px;padding:5px 12px;border-radius:var(--radius-sm);font-size:.78rem;font-weight:600;border:1px solid var(--border);background:var(--bg-surface);color:var(--text-muted);cursor:pointer;transition:all .15s}
.out-btn:hover{border-color:var(--primary);color:var(--text)}
.out-btn.primary{background:var(--primary);border-color:var(--primary);color:#fff}
.out-btn.primary:hover{opacity:.88}
.output-pre{padding:18px;font-family:var(--font-mono);font-size:.82rem;line-height:1.8;color:#c4c4e0;min-height:260px;max-height:560px;overflow-y:auto;white-space:pre-wrap;word-break:break-all}
/* Syntax */
.rb-com{color:#555570}
.rb-key{color:#6ee7b7}
.rb-val{color:#a5f3fc}
.rb-dir{color:#fda4af}

/* Validation area */
.validation-list{padding:12px 16px;display:flex;flex-direction:column;gap:6px;border-top:1px solid var(--border)}
.val-item{display:flex;align-items:flex-start;gap:8px;font-size:.78rem}
.val-icon{flex-shrink:0;margin-top:1px}
.val-ok{color:#34d399}
.val-warn{color:#fbbf24}
.val-err{color:#f87171}
.val-msg{color:var(--text-muted)}

/* ── Page sections ── */
.page-section{margin-top:48px}
.section-head{margin-bottom:22px}
.section-title{font-size:1.25rem;font-weight:700;letter-spacing:-.015em;margin-bottom:6px}
.section-desc{font-size:.88rem;color:var(--text-muted)}
.section-divider{height:1px;background:var(--border);margin:48px 0}

/* ── Steps grid ── */
.steps-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:14px}
.step-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:20px}
.step-number{width:28px;height:28px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--secondary));color:#fff;font-size:.75rem;font-weight:800;display:flex;align-items:center;justify-content:center;margin-bottom:10px}
.step-title{font-size:.9rem;font-weight:700;margin-bottom:5px}
.step-desc{font-size:.82rem;color:var(--text-muted);line-height:1.6}

/* ── Features grid ── */
.features-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px}
.feature-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:20px}
.feature-icon{font-size:1.5rem;margin-bottom:10px}
.feature-title{font-size:.88rem;font-weight:700;margin-bottom:5px}
.feature-desc{font-size:.8rem;color:var(--text-muted);line-height:1.6}

/* ── Cheat grid ── */
.cheat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:14px}
.cheat-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:18px}
.cheat-title{font-size:.78rem;font-weight:700;text-transform:uppercase;letter-spacing:.07em;color:var(--text-faint);margin-bottom:10px;display:flex;align-items:center;gap:6px}
.cheat-rows{display:flex;flex-direction:column;gap:7px}
.cheat-row{display:flex;align-items:flex-start;gap:10px}
.cheat-token{font-family:var(--font-mono);font-size:.77rem;color:var(--primary);background:rgba(16,185,129,.1);padding:2px 7px;border-radius:4px;white-space:nowrap;flex-shrink:0}
.cheat-desc{font-size:.78rem;color:var(--text-muted);line-height:1.55;padding-top:2px}

/* ── FAQ ── */
.faq-list{display:flex;flex-direction:column;gap:8px}
.faq-item{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-sm);overflow:hidden;transition:border-color .15s}
.faq-item.open{border-color:var(--border-strong)}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;padding:14px 18px;background:none;border:none;color:var(--text);font-size:.9rem;font-weight:600;text-align:left;cursor:pointer;gap:12px}
.faq-icon{color:var(--primary);font-size:1.1rem;transition:transform .2s;flex-shrink:0}
.faq-item.open .faq-icon{transform:rotate(45deg)}
.faq-a{display:none;padding:0 18px 14px}
.faq-item.open .faq-a{display:block}
.faq-a p{font-size:.86rem;color:var(--text-muted);line-height:1.7}
.faq-a p+p{margin-top:8px}
.faq-a code{font-size:.82em}

/* ── Related ── */
.related-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:14px}
.related-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:18px;text-decoration:none;transition:border-color .2s,transform .2s;display:flex;flex-direction:column;gap:8px}
.related-card:hover{border-color:rgba(16,185,129,.4);transform:translateY(-2px);text-decoration:none}
.related-icon{width:36px;height:36px;border-radius:9px;display:flex;align-items:center;justify-content:center}
.related-icon svg{width:16px;height:16px;stroke:#fff}
.related-name{font-size:.88rem;font-weight:600;color:var(--text)}
.related-desc{font-size:.78rem;color:var(--text-muted);flex:1}
.related-link{font-size:.76rem;color:var(--primary);font-weight:600;margin-top:4px}

/* ── Footer ── */
.site-footer{background:var(--bg-surface);border-top:1px solid var(--border);padding:48px 24px 28px}
.footer-grid{max-width:1200px;margin:0 auto 32px;display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:32px}
@media(max-width:768px){.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:480px){.footer-grid{grid-template-columns:1fr}}
.footer-brand-text{font-size:.82rem;color:var(--text-faint);margin-top:8px;max-width:220px;line-height:1.6}
.footer-heading{font-size:.75rem;font-weight:700;text-transform:uppercase;letter-spacing:.07em;color:var(--text-faint);margin-bottom:12px}
.footer-links{display:flex;flex-direction:column;gap:8px}
.footer-links a{font-size:.84rem;color:var(--text-muted);text-decoration:none;transition:color .15s}
.footer-links a:hover{color:var(--text)}
.footer-bottom{max-width:1200px;margin:0 auto;padding-top:20px;border-top:1px solid var(--border);display:flex;justify-content:space-between;font-size:.78rem;color:var(--text-faint);flex-wrap:wrap;gap:8px}

/* ── Toast ── */
.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%) translateY(20px);background:#1e1e28;border:1px solid rgba(16,185,129,.4);color:var(--text);padding:10px 20px;border-radius:var(--radius-sm);font-size:.84rem;font-weight:500;opacity:0;pointer-events:none;transition:all .25s;z-index:9999;white-space:nowrap}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}