:root{--bg:#f7f8fc;--card:#ffffff;--text:#0f172a;--muted:#52627f;--line:#dbe4f0;--brand:#2563eb;--brand2:#14b8a6;--shadow:0 8px 30px rgba(15,23,42,.06)}
*{box-sizing:border-box}html,body{margin:0;padding:0;font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;color:var(--text);background:var(--bg)}a{text-decoration:none;color:var(--brand)}img{max-width:100%}
.container{width:min(1120px,calc(100% - 32px));margin:0 auto}
.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.92);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:16px 0}.brand{display:flex;align-items:center;gap:14px;color:var(--text);font-weight:800;font-size:1.7rem}.brand img{width:48px;height:48px;border-radius:14px}.menu{display:flex;gap:22px;flex-wrap:wrap}.menu a{color:#334155;font-weight:700}.menu a:hover{color:var(--brand)}
.hero{padding:48px 0 28px}.hero-grid{display:grid;grid-template-columns:1.3fr .9fr;gap:26px;align-items:stretch}.hero-card,.panel,.tool-box,.card{background:var(--card);border:1px solid var(--line);border-radius:28px;box-shadow:var(--shadow)}
.hero-card{padding:42px}.hero-card h1{font-size:4.4rem;line-height:1.02;letter-spacing:-.04em;margin:10px 0 18px}.hero-card p{font-size:1.18rem;color:var(--muted);line-height:1.7;max-width:900px}.eyebrow,.pill{display:inline-flex;align-items:center;gap:8px;padding:10px 16px;border-radius:999px;background:#ecf3ff;color:#1d4ed8;font-weight:800}.cta-row{display:flex;gap:16px;flex-wrap:wrap;margin-top:26px}.btn{display:inline-flex;align-items:center;justify-content:center;border:none;border-radius:18px;padding:16px 24px;font-weight:800;cursor:pointer;font-size:1rem}.btn-primary{background:var(--brand);color:#fff}.btn-secondary{background:#fff;border:1px solid var(--line);color:var(--text)}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:28px}.stat{padding:22px;border:1px solid var(--line);border-radius:22px}.stat strong{display:block;font-size:2rem;margin-bottom:6px}
.panel{padding:28px}h2,h3{letter-spacing:-.03em}.panel h2{font-size:2.25rem;margin:0 0 14px}.search-wrap{display:flex;gap:12px;align-items:center;border:2px solid #111827;border-radius:22px;padding:10px 12px;background:#fff}.search-wrap input{border:none;outline:none;font-size:1.35rem;flex:1;padding:10px;background:transparent}.search-wrap button{background:var(--brand);color:#fff;border:none;border-radius:16px;padding:12px 18px;font-weight:800;cursor:pointer}
.quick-pills{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}.section{padding:18px 0 48px}.section-head{display:flex;justify-content:space-between;align-items:end;gap:20px;margin-bottom:18px}.section-head h2{font-size:2.1rem;margin:0}.section-head p{color:var(--muted);margin:0}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card{padding:22px}.card h3{margin:10px 0 8px;font-size:1.22rem}.card p{color:var(--muted);line-height:1.65;margin:0 0 14px}.meta{display:flex;gap:10px;flex-wrap:wrap}.mini{font-size:.92rem;padding:8px 12px}
.footer{background:#fff;border-top:1px solid var(--line);margin-top:36px}.footer-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:22px;padding:42px 0}.footer h3{margin:0 0 14px}.footer p,.footer li,.footer a{color:var(--muted);line-height:1.8}.footer ul{list-style:none;padding:0;margin:0}.copyright{padding:16px 0 26px;color:var(--muted);border-top:1px solid var(--line)}
.page-hero{padding:34px 0 8px}.breadcrumb{color:var(--muted);font-size:1rem;margin-bottom:10px}.page-hero h1{font-size:3.2rem;letter-spacing:-.04em;margin:0 0 12px}.page-hero p{font-size:1.2rem;color:var(--muted);max-width:850px;line-height:1.7}
.tool-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:22px;align-items:start}.tool-box{padding:28px}.tool-box label{display:block;font-weight:800;margin:0 0 8px}.input,.textarea,.select{width:100%;padding:16px 18px;border-radius:18px;border:1px solid #cbd5e1;background:#fff;font-size:1.05rem;outline:none}.textarea{min-height:190px;resize:vertical}.row{display:grid;grid-template-columns:1fr 1fr;gap:14px}.actions{display:flex;gap:12px;flex-wrap:wrap;margin:18px 0}.result{padding:20px;border:1px dashed #93c5fd;background:#fbfdff;border-radius:20px;line-height:1.7;white-space:pre-wrap;word-break:break-word;min-height:72px}.sidebar .card{position:sticky;top:92px}.tool-list{list-style:none;padding:0;margin:0}.tool-list li{padding:7px 0;border-bottom:1px solid var(--line)}.tool-list li:last-child{border-bottom:none}
.notice{padding:14px 16px;background:#eff6ff;border:1px solid #bfdbfe;color:#1e3a8a;border-radius:18px;margin:0 0 18px}.ok{color:#166534;background:#f0fdf4;border-color:#bbf7d0}.err{color:#991b1b;background:#fef2f2;border-color:#fecaca}.hidden{display:none!important}
.table{width:100%;border-collapse:collapse}.table td,.table th{border-bottom:1px solid var(--line);padding:10px 8px;text-align:left}.tagline{font-size:.97rem;color:var(--muted)}
@media (max-width:980px){.hero-grid,.tool-layout,.footer-grid{grid-template-columns:1fr}.grid{grid-template-columns:repeat(2,1fr)}.hero-card h1{font-size:3.2rem}.stats{grid-template-columns:1fr}}@media (max-width:640px){.grid,.row{grid-template-columns:1fr}.hero-card{padding:26px}.hero-card h1{font-size:2.5rem}.page-hero h1{font-size:2.25rem}.search-wrap{flex-direction:column;align-items:stretch}.search-wrap button{width:100%}.menu{gap:12px;font-size:.95rem}}

.btn:disabled{opacity:.7;cursor:not-allowed}


.btn.is-loading{position:relative;gap:10px;pointer-events:none}
.btn-spinner{width:18px;height:18px;border:2.5px solid rgba(255,255,255,.35);border-top-color:#fff;border-radius:50%;display:inline-block;animation:toolshub-spin .75s linear infinite}
.btn-secondary .btn-spinner{border-color:rgba(15,23,42,.18);border-top-color:#0f172a}
@keyframes toolshub-spin{to{transform:rotate(360deg)}}


.input[type=color]{padding:8px;height:56px;cursor:pointer}
.color-preview{height:110px;border-radius:20px;border:1px solid #cbd5e1;background:#2563eb;margin-bottom:14px;box-shadow:inset 0 0 0 1px rgba(255,255,255,.45)}
.helper-text{margin-top:8px;color:var(--muted);font-size:.95rem}
.file-list{margin:12px 0 0;padding-left:20px;color:#334155}
.file-list li{margin:6px 0}

.input[type=color]{padding:0;height:52px;border-radius:16px;overflow:hidden;background:#fff;border:1px solid #cbd5e1;-webkit-appearance:none;appearance:none}
.input[type=color]::-webkit-color-swatch-wrapper{padding:0}
.input[type=color]::-webkit-color-swatch{border:none;border-radius:15px}
.input[type=color]::-moz-color-swatch{border:none;border-radius:15px}
.color-preview{height:72px;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;letter-spacing:.04em;text-shadow:0 1px 2px rgba(15,23,42,.35)}
.gradient-meta{display:flex;justify-content:space-between;align-items:center;height:100%;padding:14px 18px;color:#fff;font-weight:800;text-shadow:0 1px 2px rgba(15,23,42,.35)}
.file-list{list-style:disc;padding-left:22px}
.file-list li{display:list-item}
.file-remove{margin-left:10px;border:none;background:transparent;color:#2563eb;font-weight:700;cursor:pointer;padding:0}
.file-remove:hover{text-decoration:underline}

.colour-row{display:grid;grid-template-columns:72px 1fr;gap:14px;align-items:center;margin-bottom:14px}.colour-input{width:72px;height:56px;border:1px solid #cbd5e1;border-radius:16px;background:#fff;padding:6px;cursor:pointer}.colour-input::-webkit-color-swatch-wrapper{padding:0}.colour-input::-webkit-color-swatch{border:none;border-radius:12px}.colour-input::-moz-color-swatch{border:none;border-radius:12px}.swatch-card{height:92px;border-radius:20px;border:1px solid #cbd5e1;display:flex;align-items:center;justify-content:center;color:#fff;font-weight:800;letter-spacing:.04em;text-shadow:0 1px 2px rgba(15,23,42,.35);margin-bottom:14px}@media (max-width:640px){.colour-row{grid-template-columns:64px 1fr}.colour-input{width:64px;height:52px}}