/* Nguồn: S2ND */
/* S2ND Tools — neon purple workspace */
:root{--ui-purple:#b05cff;--ui-purple-2:#7c3aed;--ui-pink:#ff4ecd;--ui-ink:#f8f6ff;--ui-sub:#ddd3ff;--ui-line:rgba(255,255,255,.12);--ui-shadow:0 18px 60px rgba(10,3,24,.32),0 0 0 1px rgba(255,255,255,.06),0 0 40px rgba(176,92,255,.1)}
body:has(.tool-main){background:radial-gradient(circle at 15% 15%,rgba(255,78,205,.18),transparent 24%),radial-gradient(circle at 85% 12%,rgba(176,92,255,.2),transparent 23%),radial-gradient(circle at 50% 40%,rgba(124,58,237,.14),transparent 35%),linear-gradient(180deg,#13041f 0%,#1c0830 45%,#240c42 100%);color:var(--ui-ink)}
body:has(.tool-main) .site-header{background:rgba(22,8,38,.68);border-bottom:1px solid rgba(255,255,255,.08);box-shadow:0 10px 35px rgba(7,2,17,.18)}
body:has(.tool-main) .nav{height:78px}
body:has(.tool-main) .brand-mark{width:42px;height:42px;border-radius:14px;background:linear-gradient(140deg,#ff56c7,#8b5cf6 72%,#4f46e5);box-shadow:0 8px 24px rgba(168,85,247,.35),0 0 28px rgba(255,78,205,.18)}
body:has(.tool-main) .nav-cta{border:1px solid rgba(255,255,255,.1);background:linear-gradient(135deg,rgba(255,78,205,.22),rgba(139,92,246,.24));color:#fff;border-radius:12px;padding:11px 17px;transition:.2s;box-shadow:0 8px 22px rgba(168,85,247,.12)}
body:has(.tool-main) .nav-cta:hover{filter:brightness(1.06);transform:translateY(-1px)}
.tool-main{width:min(1120px,calc(100% - 44px));max-width:1120px;min-height:calc(100vh - 230px);padding:40px 0 88px}
.tool-hero{text-align:center;padding:21px 15px 12px;position:relative}.tool-hero:before{content:"";position:absolute;left:50%;top:-35px;transform:translateX(-50%);width:min(760px,100%);height:200px;background:radial-gradient(circle,rgba(176,92,255,.28),rgba(255,78,205,.14) 45%,transparent 70%);filter:blur(32px);pointer-events:none}
.tool-eyebrow{position:relative;display:inline-flex;align-items:center;gap:9px;border:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.08);color:#f6c7ff;font-size:12px;letter-spacing:1.4px;font-weight:800;border-radius:999px;padding:9px 16px;box-shadow:0 8px 24px rgba(10,3,24,.18)}
.eyebrow-dot{width:8px;height:8px;border-radius:50%;background:linear-gradient(135deg,#ff77d7,#8d77ff);box-shadow:0 0 0 4px rgba(255,255,255,.08)}
.tool-main h1{position:relative;font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;font-size:clamp(32px,4.5vw,49px);line-height:1.17;letter-spacing:-1.5px;font-weight:800;color:#fff;margin:18px 0 10px;text-shadow:0 0 24px rgba(192,132,252,.15)}
.tool-intro{position:relative;font-size:17px;line-height:1.7;color:var(--ui-sub);margin:0 auto;max-width:650px}.tool-main .sub{text-align:center;font-size:16px;color:var(--ui-sub);margin:4px auto 20px;max-width:690px}
.tool-main .tabs{display:flex;justify-content:center;align-items:center;gap:9px;flex-wrap:wrap;margin:25px auto 27px;max-width:1000px}
.tool-main .tabs a{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:10px 17px;color:#fff;font-size:15px;font-weight:700;line-height:1.35;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.1);border-radius:12px;box-shadow:0 6px 18px rgba(10,3,24,.12);transition:background .18s,color .18s,transform .18s,box-shadow .18s}
.tool-main .tabs a:hover{background:rgba(255,255,255,.14);color:#fff;transform:translateY(-2px)}
.tool-main .tabs a.active{color:#fff;background:linear-gradient(135deg,#ff5ccf,#8b5cf6 55%,#6366f1);border-color:transparent;box-shadow:0 10px 25px rgba(168,85,247,.35)}
.tool-main .panel{position:relative;max-width:980px;margin:0 auto;padding:clamp(23px,4.1vw,46px);background:linear-gradient(180deg,rgba(255,255,255,.1),rgba(255,255,255,.06));border:1px solid rgba(255,255,255,.12);border-radius:28px;box-shadow:var(--ui-shadow);overflow:hidden;backdrop-filter:blur(14px)}
.tool-main .panel:before{content:'';position:absolute;inset:0 0 auto;height:4px;background:linear-gradient(90deg,#ff5ccf,#b05cff,#60a5fa);pointer-events:none}
.tool-main .panel p{line-height:1.75;color:#f4edff}.tool-main .hint{display:flex;align-items:center;gap:9px;background:rgba(255,255,255,.08);padding:13px 17px;border:1px solid rgba(255,255,255,.08);border-radius:13px;margin:0 0 22px;color:#e5dcff;font-size:15px}
.tool-main textarea,.tool-main input:not([type=checkbox]):not([type=radio]),.tool-main select{width:auto;min-height:49px;min-width:0;background:rgba(255,255,255,.08);color:#fff;border:1.5px solid rgba(255,255,255,.12);border-radius:14px;padding:13px 16px;outline:none;transition:border-color .18s,box-shadow .18s,background .18s;font:inherit;font-size:16px}
.tool-main textarea{display:block;width:100%;min-height:170px;line-height:1.65;resize:vertical}.tool-main input[type=file]{max-width:100%;width:100%;padding:12px;background:rgba(255,255,255,.06)}
.tool-main textarea::placeholder,.tool-main input::placeholder{color:#d9cbff}
.tool-main textarea:focus,.tool-main input:not([type=checkbox]):focus,.tool-main select:focus{background:rgba(255,255,255,.11);border-color:#d8b4fe;box-shadow:0 0 0 4px rgba(176,92,255,.17)}
.tool-main .controls{display:flex;align-items:center;flex-wrap:wrap;gap:12px;margin:20px 0 14px}.tool-main .controls label{display:inline-flex;align-items:center;gap:9px;flex-wrap:wrap;font-weight:600;color:#f1eaff}
.tool-main input[type=checkbox]{width:18px;height:18px;accent-color:#b05cff}
.tool-main button,.tool-main .action{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:47px;padding:12px 20px;border:0;border-radius:13px;background:linear-gradient(135deg,#ff5ccf,#8b5cf6 52%,#6366f1);box-shadow:0 10px 26px rgba(168,85,247,.28);color:#fff;font:inherit;font-size:16px;font-weight:750;line-height:1.3;cursor:pointer;text-align:center;transition:transform .18s,box-shadow .18s,filter .18s;text-decoration:none}
.tool-main button:hover:not(:disabled),.tool-main .action:hover{transform:translateY(-2px);filter:brightness(1.05);box-shadow:0 12px 30px rgba(168,85,247,.38)}
.tool-main button:active,.tool-main .action:active{transform:translateY(0)}.tool-main button:focus-visible,.tool-main .action:focus-visible,.tool-main .tabs a:focus-visible{outline:3px solid rgba(216,180,254,.7);outline-offset:3px}.tool-main button:disabled{opacity:.5;cursor:not-allowed}
.tool-main [hidden]{display:none!important}.tool-main .status{font-size:15px;color:#fff;background:rgba(255,255,255,.08);border-left:3px solid #d8b4fe;border-radius:0 12px 12px 0;padding:11px 14px;overflow-wrap:anywhere;margin:17px 0}.tool-main .status:empty{display:none}
.tool-main .preview{display:block;max-width:100%;max-height:410px;object-fit:contain;border-radius:16px;margin-top:15px;border:1px solid rgba(255,255,255,.08);background:rgba(255,255,255,.05)}
.tool-main .stats{display:flex;flex-wrap:wrap;gap:13px;margin-top:19px}.tool-main .stats span{background:linear-gradient(135deg,rgba(255,255,255,.1),rgba(255,255,255,.06));border:1px solid rgba(255,255,255,.12);color:#fff;padding:14px 19px;border-radius:14px;font-weight:700;font-size:16px}.tool-main output{display:block;overflow-wrap:anywhere;max-width:100%}.tool-main .panel a:not(.action){color:#f5c7ff}
body:has(.tool-main) .site-footer{background:rgba(12,4,24,.8)}
@media(max-width:700px){body:has(.tool-main) .nav{height:68px}body:has(.tool-main) .nav-cta{display:inline-flex;font-size:14px;padding:8px 11px}.tool-main{width:calc(100% - 26px);padding:23px 0 55px}.tool-hero{padding:16px 5px 6px}.tool-main h1{letter-spacing:-1px;margin-top:15px}.tool-intro{font-size:15px}.tool-main .tabs{justify-content:flex-start;flex-wrap:nowrap;overflow-x:auto;scrollbar-width:thin;margin:20px -2px 20px;padding:3px 2px 10px}.tool-main .tabs a{white-space:nowrap;font-size:14px;padding:10px 14px;flex:0 0 auto}.tool-main .panel{padding:23px 17px;border-radius:22px}.tool-main .controls{gap:10px}.tool-main button,.tool-main .action{font-size:15px;padding:11px 15px}.tool-main .hint{align-items:flex-start;padding:12px}.tool-main textarea{min-height:155px}.tool-main .stats span{flex:1 1 125px;text-align:center}}
@media(max-width:390px){.tool-main .brand{font-size:17px}body:has(.tool-main) .brand-mark{width:35px;height:35px}.tool-main .controls button,.tool-main .controls .action{flex:1}.tool-main .panel{padding:21px 14px}}
@media(prefers-reduced-motion:reduce){.tool-main *{transition:none!important}}

/* === pastel pink tool workspaces === */
:root{--ui-purple:#bb42e6;--ui-purple-2:#8e4bc2;--ui-pink:#e82d9a;--ui-ink:#36156b;--ui-sub:#77688b;--ui-line:#f0def0;--ui-shadow:0 20px 55px rgba(147,59,146,.11)}
body:has(.tool-main){color:#36156b;background:radial-gradient(ellipse at 12% 13%,rgba(255,180,221,.50),transparent 40%),radial-gradient(ellipse at 85% 10%,rgba(214,190,255,.6),transparent 42%),linear-gradient(180deg,#fff5fc,#fffafd 65%,#fff7fc)}
body:has(.tool-main) .site-header{background:rgba(255,250,254,.9);border-bottom:1px solid #f4e2f2;box-shadow:0 7px 28px rgba(120,51,138,.05)}
body:has(.tool-main) .brand-mark{background:linear-gradient(135deg,#fa45ad,#ae42f0);box-shadow:0 7px 19px rgba(216,67,169,.23)}
body:has(.tool-main) .nav-cta{background:linear-gradient(110deg,#ff43aa,#e72a96);color:#fff;border-color:transparent;box-shadow:0 8px 20px rgba(238,53,150,.2)}
.tool-hero:before{background:radial-gradient(ellipse,rgba(255,154,219,.43),rgba(217,184,255,.24) 40%,transparent 72%)}
.tool-eyebrow{border-color:#efd2ec;background:rgba(255,255,255,.9);color:#c63799;box-shadow:0 8px 23px rgba(173,83,145,.07)}.eyebrow-dot{background:linear-gradient(135deg,#ff69bc,#c25de9);box-shadow:0 0 0 4px #fce4f5}
.tool-main h1{color:#351468;text-shadow:none}.tool-intro,.tool-main .sub{color:#756586}
.tool-main .tabs a{background:#fff;color:#705a86;border-color:#f1dcf0;box-shadow:0 5px 16px rgba(142,59,143,.05)}.tool-main .tabs a:hover{background:#fff0f9;color:#d92e95}.tool-main .tabs a.active{background:linear-gradient(115deg,#ff4bac,#db39b6);color:#fff;box-shadow:0 8px 22px rgba(228,52,151,.22)}
.tool-main .panel{background:rgba(255,255,255,.94);border:1px solid #f0e0f2;box-shadow:0 18px 50px rgba(131,52,131,.1)}.tool-main .panel:before{background:linear-gradient(90deg,#ff64b7,#e64db6,#aa71ed)}.tool-main .panel p{color:#5c4a76}
.tool-main .hint{background:#fff4fb;border:1px solid #f4dfef;color:#786587}
.tool-main textarea,.tool-main input:not([type=checkbox]):not([type=radio]),.tool-main select{background:#fffafd;color:#341560;border:1.5px solid #e9d8ec}
.tool-main input[type=file]{background:#fff8fd}.tool-main textarea::placeholder,.tool-main input::placeholder{color:#9a86a7}
.tool-main textarea:focus,.tool-main input:not([type=checkbox]):focus,.tool-main select:focus{background:#fff;border-color:#e756b3;box-shadow:0 0 0 4px rgba(235,88,184,.14)}
.tool-main .controls label{color:#614d77}.tool-main input[type=checkbox]{accent-color:#e82d9a}
.tool-main button,.tool-main .action{background:linear-gradient(115deg,#ff4caf,#e431a2);box-shadow:0 9px 23px rgba(235,57,162,.22);color:white}
.tool-main button:hover:not(:disabled),.tool-main .action:hover{box-shadow:0 12px 28px rgba(227,62,161,.32)}
.tool-main button:focus-visible,.tool-main .action:focus-visible,.tool-main .tabs a:focus-visible{outline:3px solid #f6aedf}
.tool-main .status{color:#564372;background:#fff2fa;border-left-color:#eb52af}.tool-main .preview{background:#fff;border-color:#f2e2f0}
.tool-main .stats span{background:linear-gradient(135deg,#fff1fa,#f9f0ff);border:1px solid #f1dcef;color:#694381}
.tool-main .panel a:not(.action){color:#dd2795}
body:has(.tool-main) .site-footer{background:linear-gradient(110deg,#35145e,#4e206e)}

/* Full-width responsive tool pages — v2 */
.tool-main{width:calc(100% - 2 * var(--page-gutter,32px));max-width:none;margin-left:auto;margin-right:auto}
.tool-main .panel{width:100%;max-width:none;margin-left:auto;margin-right:auto}
.tool-main .tabs{max-width:none;width:100%;justify-content:center}
.tool-main textarea{width:100%}
.tool-main .controls{max-width:100%}
.tool-main .controls>*{min-width:0}
@media(min-width:1200px){.tool-main .panel{padding:clamp(30px,3vw,58px)}.tool-main .tabs{gap:14px}}
@media(max-width:700px){.tool-main{width:calc(100% - 32px);max-width:none}.tool-main .tabs{justify-content:flex-start}.tool-main .panel{width:100%;max-width:none}}

/* New image and typography utilities */
.tool-main .field-label{display:block;margin:0 0 10px;font-weight:750;color:#48145e}
.tool-main .image-compare{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:23px}
.tool-main .image-compare>div{min-width:0;border:1px solid #f4d4ed;border-radius:17px;background:#fffafd;padding:15px}
.tool-main .image-compare b{display:block;color:#48145e;margin-bottom:10px}
.tool-main .image-compare .preview{width:100%;height:auto;max-height:390px;object-fit:contain}
.tool-main .transparent-preview{border-radius:12px;background-color:#fff;background-image:linear-gradient(45deg,#eee 25%,transparent 25%),linear-gradient(-45deg,#eee 25%,transparent 25%),linear-gradient(45deg,transparent 75%,#eee 75%),linear-gradient(-45deg,transparent 75%,#eee 75%);background-size:20px 20px;background-position:0 0,0 10px,10px -10px,-10px 0}
.tool-main .controls input[type=range]{width:150px;min-height:0;padding:0;accent-color:#e92fa8}
.tool-main .special-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:15px;margin-top:18px}
.tool-main .special-item{display:flex;flex-direction:column;align-items:flex-start;gap:12px;min-width:0;padding:18px;border:1px solid #f1d7ec;border-radius:16px;background:linear-gradient(135deg,#fffafd,#fff3fb)}
.tool-main .special-item b{color:#512169}.tool-main .special-item p{margin:0;overflow-wrap:anywhere;white-space:pre-wrap;font-size:20px;color:#37204f;line-height:1.6}.tool-main .special-item button{margin-top:auto}
@media(max-width:700px){.tool-main .image-compare,.tool-main .special-grid{grid-template-columns:1fr}}


/* S2ND PREMIUM TOOL UI v4 — consistent across every PHP tool page */
body:has(.tool-main){background:radial-gradient(ellipse 65% 43% at 6% 17%,#ffe0f1 0%,transparent 72%),radial-gradient(ellipse 52% 39% at 97% 7%,#ebdfff 0%,transparent 74%),linear-gradient(135deg,#fff7fc 0%,#faf6ff 55%,#fff0fa 100%);background-attachment:fixed}
body:has(.tool-main)::before{content:"";position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.4;background-image:radial-gradient(#eab7e6 .8px,transparent .8px);background-size:25px 25px;mask-image:linear-gradient(#000,transparent 70%)}
body:has(.tool-main) .site-header{background:rgba(255,255,255,.87);backdrop-filter:blur(24px);border-bottom:1px solid #f4d9ef}
body:has(.tool-main) .nav-cta{background:linear-gradient(115deg,#fc4aa9,#a95df0);box-shadow:0 8px 22px #e950a135}
.tool-main{position:relative;isolation:isolate;min-height:calc(100vh - 170px);padding:36px 0 92px;width:calc(100% - 2 * var(--page-gutter,32px))}
.tool-hero{padding:38px clamp(15px,4vw,60px) 25px;margin:0 auto 24px;border:1px solid #f0dcee;border-radius:30px;background:radial-gradient(ellipse at top right,#eadbff 0%,transparent 45%),radial-gradient(ellipse at left bottom,#ffe0ef 0%,transparent 49%),linear-gradient(105deg,#fff,#fff9fe);box-shadow:0 15px 50px #7e3b8310;overflow:hidden}
.tool-hero:before{width:280px;height:280px;left:auto;right:-100px;top:-185px;transform:none;filter:blur(8px);background:linear-gradient(135deg,#f8b8dc,#e8beff);opacity:.8;border-radius:50%}
.tool-hero:after{content:"✦";position:absolute;right:clamp(22px,5vw,85px);top:30px;color:#f0a9e0;font-size:35px;text-shadow:0 0 25px #f6b6e7}
.tool-eyebrow{position:relative;z-index:1;padding:10px 18px;color:#c52d99;border:1px solid #f3d8e8;background:#fff8fe;box-shadow:0 4px 18px #dc8fc720}
.tool-main h1{font-size:clamp(30px,3.6vw,52px);font-weight:800;letter-spacing:-1.5px;line-height:1.2;color:#32145f;margin:18px 0 13px}
.tool-intro{max-width:740px;font-size:clamp(15px,1.3vw,18px);color:#725d86}
.tool-main .tabs{padding:12px;gap:10px;background:#ffffffa8;border:1px solid #f0deef;border-radius:23px;box-shadow:0 10px 30px #a85ba315;margin:0 auto 25px;justify-content:center;max-width:none}
.tool-main .tabs a{border:1px solid #f0deec;background:linear-gradient(135deg,#fff,#fff8fd);padding:12px 19px;border-radius:15px;min-height:49px;font-size:15px;color:#5e477c;box-shadow:0 3px 10px #a762a10e}
.tool-main .tabs a:hover{color:#ce2297;border-color:#ebaedb;background:#fff0f9;transform:translateY(-2px)}
.tool-main .tabs a.active{background:linear-gradient(125deg,#ff54ad,#cb47ce 57%,#8959e8);box-shadow:0 9px 24px #d23b9d3b;color:white;border-color:transparent}
.tool-main .panel{max-width:none;width:100%;padding:clamp(23px,3.2vw,55px);border:1px solid #f0ddec;border-radius:30px;background:linear-gradient(145deg,#fff 10%,#fffafe 72%,#fdf5ff);box-shadow:0 23px 65px #74397717,0 2px 12px #d68bb511;overflow:hidden}
.tool-main .panel:before{height:6px;background:linear-gradient(90deg,#ff68b2,#ffbf7f,#ffd75c,#6ee5aa,#50cbe5,#8584ff,#d169fb)}
.tool-main .panel:after{content:"";position:absolute;pointer-events:none;top:0;right:0;width:230px;height:155px;background:radial-gradient(ellipse at top right,#f8e6ff,transparent 73%);opacity:.7}
.tool-main .panel>*{position:relative;z-index:1}
.tool-main .panel p{font-size:16px;color:#635275}
.tool-main .hint{padding:17px 20px;background:linear-gradient(105deg,#fff0f8,#f7edff);border:1px solid #efd8ef;border-radius:17px;color:#654b80;font-weight:500;line-height:1.65;box-shadow:inset 4px 0 0 #f46bbb}
.tool-main textarea,.tool-main input:not([type=checkbox]):not([type=radio]),.tool-main select{min-height:55px;background:#fff;color:#31175a;border:1.5px solid #e9d7eb;border-radius:17px;padding:16px 18px;box-shadow:0 3px 13px #6d337109;font-size:16px}
.tool-main textarea{min-height:190px;resize:vertical;width:100%;line-height:1.75;background:linear-gradient(180deg,#fff,#fffbfe)}
.tool-main textarea:focus,.tool-main input:not([type=checkbox]):focus,.tool-main select:focus{border-color:#e84db0;box-shadow:0 0 0 4px #f7bee044,0 8px 24px #e0a6d51f;background:#fff}
.tool-main input[type=file]{background:#fff6fc;border:2px dashed #ebb5df;cursor:pointer;padding:17px;max-width:100%}
.tool-main input[type=file]::file-selector-button{background:linear-gradient(120deg,#ffe0f0,#efe2ff);border:1px solid #f0c7e7;padding:10px 15px;border-radius:11px;color:#5a2679;font-weight:700;cursor:pointer;margin-right:15px}
.tool-main .controls{gap:14px;margin:24px 0 18px}.tool-main .controls label{font-size:16px;color:#4d356d;font-weight:700}
.tool-main button,.tool-main .action{min-height:50px;padding:13px 23px;border-radius:14px;background:linear-gradient(120deg,#ff4ca5,#e139ad 48%,#9655ec);box-shadow:0 9px 25px #d532a72c;border:1px solid #e976c242;color:#fff;font-weight:800;letter-spacing:.1px}
.tool-main button:hover:not(:disabled),.tool-main .action:hover{filter:saturate(1.15) brightness(1.04);box-shadow:0 14px 31px #d532a747;transform:translateY(-2px)}
.tool-main button:focus-visible,.tool-main a:focus-visible{outline:3px solid #e56bbb;outline-offset:3px}
.tool-main .status{padding:16px 19px;margin:22px 0;background:linear-gradient(100deg,#fff1fa,#f3f0ff);border:1px solid #eed9ed;border-left:5px solid #df4fb6;border-radius:15px;color:#54346d;font-weight:600;box-shadow:0 5px 18px #d482c611}
.tool-main .status:empty{display:none}
.tool-main .preview{display:block;width:auto;max-width:100%;max-height:490px;object-fit:contain;margin:19px 0 0;padding:12px;border:1px solid #f0d9ec;border-radius:20px;background:white;box-shadow:0 12px 35px #aa75b420}
.tool-main #qr.preview{width:min(100%,340px);aspect-ratio:1;max-height:none;margin:20px auto 4px;padding:20px;background:linear-gradient(145deg,#fff,#fff6fd)}
.tool-main .stats{gap:16px;margin-top:22px}.tool-main .stats span{flex:1 1 180px;text-align:center;padding:19px;background:linear-gradient(130deg,#fff0f9,#f1eaff);border:1px solid #ecd7ee;border-radius:17px;color:#542174;box-shadow:0 8px 22px #ad79b014}
.tool-main .field-label{font-size:17px;color:#421965;margin-bottom:12px}
.tool-main .image-compare{gap:20px}.tool-main .image-compare>div{padding:20px;border:1px solid #eed8ed;border-radius:21px;background:linear-gradient(135deg,#fffaff,#f5efff);box-shadow:0 9px 25px #b885b21a}
.tool-main .image-compare b{font-size:17px;color:#451e6f}.tool-main .image-compare .preview{max-height:450px}
.tool-main .special-grid{gap:18px}.tool-main .special-item{border:1px solid #e9d3ed;border-radius:21px;padding:22px;background:linear-gradient(135deg,#fff9fd,#f6edff);box-shadow:0 9px 24px #9c529413;transition:transform .2s,box-shadow .2s}
.tool-main .special-item:hover{transform:translateY(-2px);box-shadow:0 16px 28px #a954a51e}.tool-main .special-item p{font-size:clamp(17px,2vw,23px);color:#47216c}
.tool-main select option{color:#351468;background:white}
.tool-main .panel [hidden]{display:none!important}
@media(min-width:1100px){.tool-main .panel{min-height:420px}.tool-main .panel>textarea{min-height:215px}}
@media(max-width:700px){.tool-main{width:calc(100% - 24px);padding:19px 0 50px}.tool-hero{border-radius:21px;padding:28px 15px 24px;margin-bottom:16px}.tool-hero:after{font-size:22px;right:14px;top:15px}.tool-main .tabs{justify-content:flex-start;flex-wrap:nowrap;overflow-x:auto;margin:0 auto 17px;padding:8px;border-radius:17px}.tool-main .tabs a{white-space:nowrap;font-size:14px;padding:10px 14px;min-height:44px}.tool-main .panel{padding:22px 16px;border-radius:21px}.tool-main textarea{min-height:170px}.tool-main .hint{padding:14px}.tool-main .controls{gap:10px}.tool-main button,.tool-main .action{padding:12px 15px;min-height:46px}.tool-main .image-compare,.tool-main .special-grid{grid-template-columns:1fr}.tool-main #qr.preview{width:min(100%,300px)}}
@media(max-width:390px){.tool-main .panel{padding:18px 12px}.tool-main .controls button,.tool-main .controls .action{flex:1 1 auto}.tool-main h1{font-size:30px}}

/* S2ND v5 — centrally aligned action controls on every tool page */
.tool-main .controls {
  display:flex;
  justify-content:center;
  align-items:center;
  flex-wrap:wrap;
  gap:14px;
  width:100%;
  margin:24px auto 18px;
}
.tool-main .controls button,
.tool-main .controls .action {
  flex:0 0 auto;
  width:auto;
  max-width:100%;
  text-align:center;
}
/* Keep setting labels and sliders usable without moving primary buttons left. */
.tool-main .controls label {justify-content:center;}
.tool-main .panel > button,
.tool-main .panel > .action {display:flex;width:max-content;max-width:100%;margin-left:auto;margin-right:auto;}
.tool-main .special-item button {align-self:center;}
@media(max-width:520px){
 .tool-main .controls{gap:10px;}
 .tool-main .controls button,
 .tool-main .controls .action {flex:0 1 auto;min-width:min(170px,100%);}
}

/* Export actions must follow their own rendered result, never the input controls. */
.tool-main .result-display{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;margin:22px auto 4px;max-width:100%;min-width:0}
.tool-main .result-display:empty{display:none}
.tool-main .result-display .preview{margin:0 auto;max-width:100%;object-fit:contain}
.tool-main .result-actions{display:flex;justify-content:center;align-items:center;flex-wrap:wrap;gap:12px;width:100%;margin:16px auto 4px}
.tool-main .result-actions:has(>[hidden]:only-child){display:none}
.tool-main .result-actions .action,.tool-main .result-actions button{margin:0 auto;min-width:min(210px,100%)}
.tool-main .image-compare>div{min-width:0;display:flex;flex-direction:column;align-items:center}
.tool-main .image-compare>div>b{align-self:flex-start}
.tool-main .image-compare .result-actions{margin-top:16px}
.tool-main .export-ready{width:min(520px,100%);margin:8px auto 0;padding:18px 22px;text-align:center;background:linear-gradient(135deg,#fff1f9,#f5edff);border:1px solid #f4cfea;border-radius:18px;color:#57246e;font-weight:700;overflow-wrap:anywhere}
@media(max-width:520px){.tool-main .result-actions .action,.tool-main .result-actions button{width:100%;min-width:0}}


/* Mobile cleanup: hide the back-home button on tool pages */
@media (max-width: 700px){
  body:has(.tool-main) .site-header .nav-cta{display:none !important;}
  body:has(.tool-main) .site-header .nav{justify-content:space-between;}
  body:has(.tool-main) .site-header .language-switcher{margin-left:auto;}
}


/* S2ND mobile readability fix: notes must flow as a single paragraph. */
.tool-main .panel p.hint,
.tool-main .panel .hint {
  display: block !important;
  width: 100%;
  max-width: 100%;
  min-width: 0;
  box-sizing: border-box;
  white-space: normal;
  overflow-wrap: break-word;
  word-break: normal;
  text-align: left;
  line-height: 1.75;
}
.tool-main .panel .hint strong,
.tool-main .panel .hint b {
  display: inline !important;
  width: auto !important;
  margin: 0;
  white-space: normal;
  font-weight: 750;
}
@media (max-width: 700px) {
  .tool-main .panel .hint {
    font-size: 15px;
    padding: 14px 15px;
    border-radius: 15px;
  }
}