.tools-regex-tester *{margin:0;padding:0;box-sizing:border-box}

.tools-regex-tester{font-family:"Noto Sans SC",system-ui,-apple-system,sans-serif;background:#fafafa;color:#0a0a0a;font-size:14px;line-height:1.6}

.tools-regex-tester .container{max-width:780px;margin:0 auto;padding:0 20px}


.tools-regex-tester .header{background:#fff;border-bottom:1px solid #ececee;padding:16px 0;position:sticky;top:0;z-index:50}

.tools-regex-tester .header__inner{display:flex;align-items:center;justify-content:space-between;max-width:780px;margin:0 auto;padding:0 20px}

.tools-regex-tester .header__brand{font-size:18px;font-weight:700;color:#0a0a0a;text-decoration:none}

.tools-regex-tester .header__brand span{color:#7c3aed}

.tools-regex-tester .header__nav{display:flex;gap:16px}

.tools-regex-tester .header__nav a{color:#52525b;text-decoration:none;font-size:13px}

.tools-regex-tester .header__nav a:hover{color:#7c3aed}


.tools-regex-tester .hero{padding:48px 0 32px;text-align:center}

.tools-regex-tester .hero__badge{display:inline-block;background:#f3effe;color:#7c3aed;font-size:12px;padding:4px 12px;border-radius:20px;margin-bottom:16px;font-weight:500}

.tools-regex-tester .hero__title{font-size:32px;font-weight:700;letter-spacing:-.02em;margin-bottom:12px}

.tools-regex-tester .hero__title span{color:#7c3aed}

.tools-regex-tester .hero__desc{color:#71717a;font-size:15px;max-width:520px;margin:0 auto}


.tools-regex-tester .tool-card{background:#fff;border:1px solid #ececee;border-radius:16px;padding:24px;box-shadow:0 1px 3px rgba(0,0,0,.04);margin-bottom:20px}

.tools-regex-tester .tool-card__label{font-size:11px;color:#a1a1aa;text-transform:uppercase;letter-spacing:.1em;margin-bottom:8px;font-weight:600}


.tools-regex-tester .regex-row{display:flex;gap:10px;align-items:stretch;flex-wrap:wrap}

.tools-regex-tester .regex-input{flex:1;min-width:200px;display:flex;align-items:center;border:1.5px solid #e5e7eb;border-radius:10px;overflow:hidden;transition:border-color .15s;background:#fff}

.tools-regex-tester .regex-input:focus-within{border-color:#7c3aed;box-shadow:0 0 0 3px rgba(124,58,237,.08)}

.tools-regex-tester .regex-input__slash{padding:0 10px;color:#a1a1aa;font-family:"SFMono-Regular",Consolas,monospace;font-size:16px;user-select:none}

.tools-regex-tester .regex-input input{flex:1;border:none;outline:none;padding:14px 0;font-size:15px;font-family:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;background:transparent;color:#0a0a0a}

.tools-regex-tester .flags-group{display:flex;gap:4px}

.tools-regex-tester .flag-btn{width:40px;border:1.5px solid #e5e7eb;background:#fff;border-radius:8px;font-size:13px;font-weight:700;font-family:"SFMono-Regular",Consolas,monospace;cursor:pointer;color:#71717a;transition:all .15s}

.tools-regex-tester .flag-btn:hover{border-color:#c4b5fd}

.tools-regex-tester .flag-btn.is-active{background:#7c3aed;color:#fff;border-color:#7c3aed}

.tools-regex-tester .tool-card__hint{font-size:12px;color:#a1a1aa;margin-top:8px}

.tools-regex-tester .textarea{width:100%;min-height:160px;border:1.5px solid #e5e7eb;border-radius:10px;padding:14px;font-size:14px;font-family:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;resize:vertical;outline:none;transition:border-color .15s;line-height:1.6;tab-size:2}

.tools-regex-tester .textarea:focus{border-color:#7c3aed;box-shadow:0 0 0 3px rgba(124,58,237,.08)}


.tools-regex-tester .error-box{background:#fef2f2;border:1px solid #fecaca;color:#b91c1c;border-radius:10px;padding:12px 16px;margin-bottom:20px;font-size:13px;display:none;align-items:flex-start;gap:10px}

.tools-regex-tester .error-box.is-show{display:flex}

.tools-regex-tester .error-box__icon{font-size:16px}


.tools-regex-tester .match-area{background:#0f0f17;border-radius:10px;padding:16px;min-height:120px;max-height:380px;overflow:auto;font-family:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;font-size:13px;line-height:1.8;white-space:pre-wrap;word-break:break-all;color:#e4e4e7}

.tools-regex-tester .match-area.is-empty{color:#6b7280;font-family:inherit;font-style:italic}

.tools-regex-tester mark{background:rgba(245,158,11,.32);color:#fde68a;border-radius:3px;padding:1px 2px}

.tools-regex-tester mark.alt2{background:rgba(34,197,94,.32);color:#86efac}

.tools-regex-tester mark.alt3{background:rgba(236,72,153,.32);color:#f9a8d4}


.tools-regex-tester .stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-bottom:20px}

.tools-regex-tester .stat{background:#fff;border:1px solid #ececee;border-radius:12px;padding:16px;text-align:center}

.tools-regex-tester .stat--primary{background:linear-gradient(135deg,#7c3aed,#8b5cf6);color:#fff;border:none}

.tools-regex-tester .stat__label{font-size:11px;text-transform:uppercase;letter-spacing:.1em;opacity:.7;margin-bottom:6px;font-weight:600}

.tools-regex-tester .stat__value{font-size:26px;font-weight:700;font-family:"Space Grotesk",monospace}


.tools-regex-tester .matches-card{background:#fff;border:1px solid #ececee;border-radius:16px;padding:24px;margin-bottom:20px;box-shadow:0 1px 3px rgba(0,0,0,.04)}

.tools-regex-tester .matches-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}

.tools-regex-tester .matches-head__label{font-size:11px;color:#a1a1aa;text-transform:uppercase;letter-spacing:.1em;font-weight:600}

.tools-regex-tester .match-item{padding:10px 14px;background:#f9fafb;border:1px solid #ececee;border-radius:8px;margin-bottom:8px;font-size:13px}

.tools-regex-tester .match-item__head{display:flex;justify-content:space-between;align-items:center;margin-bottom:4px}

.tools-regex-tester .match-item__idx{font-size:11px;color:#7c3aed;font-weight:700;font-family:"Space Grotesk",monospace}

.tools-regex-tester .match-item__pos{font-size:11px;color:#a1a1aa;font-family:"SFMono-Regular",Consolas,monospace}

.tools-regex-tester .match-item__val{font-family:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;color:#0a0a0a;word-break:break-all}

.tools-regex-tester .match-item__val .grp{color:#7c3aed;font-weight:600}

.tools-regex-tester .match-empty{color:#a1a1aa;font-size:13px;text-align:center;padding:20px}


.tools-regex-tester .cheatsheet{background:#fff;border:1px solid #ececee;border-radius:16px;padding:24px;margin-bottom:20px;box-shadow:0 1px 3px rgba(0,0,0,.04)}

.tools-regex-tester .cheatsheet__title{font-size:15px;font-weight:600;margin-bottom:14px}

.tools-regex-tester .cheatsheet__grid{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}

.tools-regex-tester .chip{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:10px 14px;border:1px solid #ececee;border-radius:8px;background:#f9fafb;cursor:pointer;transition:all .15s;font-size:13px}

.tools-regex-tester .chip:hover{border-color:#c4b5fd;background:#f5f3ff}

.tools-regex-tester .chip__name{font-weight:600;color:#0a0a0a}

.tools-regex-tester .chip__pattern{font-family:"SFMono-Regular",Consolas,monospace;font-size:11px;color:#7c3aed;max-width:160px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}


.tools-regex-tester .copy-btn{padding:6px 14px;background:#f4f4f5;border:1px solid #ececee;border-radius:8px;font-size:12px;cursor:pointer;color:#52525b;font-family:inherit;transition:all .15s}

.tools-regex-tester .copy-btn:hover{background:#ede9fe;color:#7c3aed;border-color:#c4b5fd}


.tools-regex-tester .tools-nav{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin-bottom:24px}

.tools-regex-tester .tools-nav__item{background:#fff;border:1px solid #ececee;border-radius:12px;padding:14px 16px;text-decoration:none;color:#0a0a0a;transition:all .15s;display:flex;align-items:center;gap:10px}

.tools-regex-tester .tools-nav__item:hover{border-color:#c4b5fd;background:#faf8ff}

.tools-regex-tester .tools-nav__icon{font-size:20px}

.tools-regex-tester .tools-nav__text{flex:1}

.tools-regex-tester .tools-nav__title{font-size:13px;font-weight:600}

.tools-regex-tester .tools-nav__desc{font-size:11px;color:#a1a1aa}


.tools-regex-tester .cta{background:linear-gradient(135deg,#7c3aed,#8b5cf6);border-radius:16px;padding:32px;text-align:center;margin-bottom:32px}

.tools-regex-tester .cta__title{color:#fff;font-size:20px;font-weight:700;margin-bottom:8px}

.tools-regex-tester .cta__desc{color:rgba(255,255,255,.85);font-size:13px;margin-bottom:16px}

.tools-regex-tester .cta__btn{display:inline-block;background:#fff;color:#7c3aed;padding:12px 28px;border-radius:10px;font-weight:600;text-decoration:none;font-size:14px;transition:transform .15s}

.tools-regex-tester .cta__btn:hover{transform:translateY(-1px)}


.tools-regex-tester .faq{margin-bottom:32px}

.tools-regex-tester .faq__item{background:#fff;border:1px solid #ececee;border-radius:12px;margin-bottom:8px;overflow:hidden}

.tools-regex-tester .faq__q{padding:16px 20px;font-size:14px;font-weight:600;cursor:pointer;display:flex;justify-content:space-between;align-items:center}

.tools-regex-tester .faq__q:hover{color:#7c3aed}

.tools-regex-tester .faq__q::after{content:'+';font-size:18px;color:#a1a1aa;transition:transform .2s}

.tools-regex-tester .faq__item.is-open .faq__q::after{transform:rotate(45deg)}

.tools-regex-tester .faq__a{max-height:0;overflow:hidden;transition:max-height .25s ease;padding:0 20px;color:#52525b;font-size:13px}

.tools-regex-tester .faq__item.is-open .faq__a{max-height:280px;padding:0 20px 16px}

.tools-regex-tester .faq__a code{background:#f4f4f5;padding:1px 6px;border-radius:4px;font-family:"SFMono-Regular",Consolas,monospace;font-size:12px;color:#7c3aed}


.tools-regex-tester .footer{text-align:center;padding:24px 0;color:#a1a1aa;font-size:12px;border-top:1px solid #ececee}

@media(max-width:640px){.tools-regex-tester .hero__title{font-size:24px}
.tools-regex-tester .tools-nav, .tools-regex-tester .cheatsheet__grid{grid-template-columns:1fr}
.tools-regex-tester .regex-input{min-width:100%}
.tools-regex-tester .flags-group{width:100%;justify-content:flex-start}
}