/* Letras Bonitas — design system */
:root{
  --bg:#f7f6fb;--surface:#ffffff;--surface-2:#f1effa;--border:#e4e1f0;
  --text:#1c1830;--muted:#6b6785;--brand:#7c3aed;--brand-2:#ec4899;--brand-ink:#ffffff;
  --accent-soft:#efe7ff;--ok:#16a34a;--warn:#d97706;--danger:#dc2626;
  --grad:linear-gradient(135deg,#7c3aed 0%,#c026d3 55%,#ec4899 100%);
  --radius:14px;--radius-sm:10px;--shadow:0 1px 2px rgba(28,24,48,.06),0 6px 24px rgba(28,24,48,.06);
  --shadow-lg:0 12px 40px rgba(76,29,149,.18);
  --font:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans","Apple Color Emoji","Segoe UI Emoji","Segoe UI Symbol","Noto Color Emoji",sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  --maxw:1180px;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#0f0d17;--surface:#181525;--surface-2:#211d31;--border:#2e2943;--text:#ece9f8;--muted:#a19cbc;
  --accent-soft:#2a2046;--shadow:0 1px 2px rgba(0,0,0,.4),0 6px 24px rgba(0,0,0,.3);--shadow-lg:0 12px 40px rgba(0,0,0,.5)}}
:root[data-theme="dark"]{
  --bg:#0f0d17;--surface:#181525;--surface-2:#211d31;--border:#2e2943;--text:#ece9f8;--muted:#a19cbc;
  --accent-soft:#2a2046;--shadow:0 1px 2px rgba(0,0,0,.4),0 6px 24px rgba(0,0,0,.3);--shadow-lg:0 12px 40px rgba(0,0,0,.5)}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
html,body{max-width:100%;overflow-x:clip}
body{margin:0;background:var(--bg);color:var(--text);font:16px/1.6 var(--font)}
a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}
img{max-width:100%;height:auto}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3{line-height:1.25;margin:0 0 .5em}
h1{font-size:clamp(1.6rem,3.6vw,2.4rem);letter-spacing:-.02em}
h2{font-size:clamp(1.25rem,2.4vw,1.6rem);letter-spacing:-.01em}
h3{font-size:1.1rem}
.container{max-width:var(--maxw);margin:0 auto;padding:0 16px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.muted{color:var(--muted)}

/* Header */
.site-header{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--surface) 88%,transparent);backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--border)}
.hdr{display:flex;align-items:center;gap:12px;height:60px}
.logo{display:flex;align-items:center;gap:8px;font-weight:800;font-size:1.15rem;color:var(--text);white-space:nowrap}
.logo:hover{text-decoration:none}
.logo-mark{width:32px;height:32px;border-radius:9px;background:var(--grad);color:#fff;display:grid;place-items:center;font-size:18px;box-shadow:var(--shadow-lg)}
.nav{display:flex;gap:2px;margin-left:12px}
.nav>.nav-item{position:relative}
.nav-btn{white-space:nowrap;background:none;border:0;padding:8px 12px;border-radius:9px;cursor:pointer;color:var(--text);font-weight:600;font-size:.95rem;display:flex;align-items:center;gap:4px}
.nav-btn:hover,.nav-item.open .nav-btn{background:var(--surface-2)}
.mega{position:absolute;top:calc(100% + 6px);left:0;min-width:520px;max-width:720px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-lg);padding:14px;display:none;grid-template-columns:repeat(2,1fr);gap:2px 10px;max-height:70vh;overflow:auto}
.nav-item.open .mega{display:grid}
.mega a{display:flex;gap:8px;align-items:center;padding:7px 9px;border-radius:8px;color:var(--text);font-size:.93rem}
.mega a:hover{background:var(--surface-2);text-decoration:none}
.mega .ico{width:26px;text-align:center}
.mega .all{grid-column:1/-1;font-weight:700;color:var(--brand);border-top:1px solid var(--border);margin-top:6px;padding-top:10px}
.hdr-right{margin-left:auto;display:flex;gap:6px;align-items:center}
.icon-btn{width:38px;height:38px;border-radius:10px;border:1px solid var(--border);background:var(--surface);cursor:pointer;display:grid;place-items:center;font-size:17px}
.icon-btn:hover{background:var(--surface-2)}
.lang-sel{height:38px;border-radius:10px;border:1px solid var(--border);background:var(--surface);padding:0 8px;cursor:pointer;max-width:130px}
.menu-toggle{display:none}
.search-wrap{position:relative}
.search-input{height:38px;border-radius:10px;border:1px solid var(--border);background:var(--surface-2);padding:0 12px;width:200px}
.search-results{position:absolute;right:0;top:44px;width:320px;max-height:60vh;overflow:auto;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-lg);display:none;padding:6px;z-index:60}
.search-results.show{display:block}
.search-results a{display:block;padding:8px 10px;border-radius:8px;color:var(--text)}
.search-results a:hover,.search-results a.active{background:var(--surface-2);text-decoration:none}
.search-results small{color:var(--muted);display:block}

@media (max-width:1180px){
  .nav{display:none;position:fixed;inset:60px 0 0 0;background:var(--surface);flex-direction:column;padding:12px 16px;overflow:auto;margin:0;z-index:55}
  .nav.open{display:flex}
  .mega{position:static;min-width:0;max-width:none;box-shadow:none;border:0;padding:4px 0 10px 8px;grid-template-columns:1fr 1fr;max-height:none}
  .menu-toggle{display:grid}
  .search-input{width:140px}
}
@media (max-width:560px){.search-wrap{display:none}.mega{grid-template-columns:1fr}.lang-sel{max-width:84px}}

/* Breadcrumb + hero */
.crumbs{font-size:.85rem;color:var(--muted);padding-top:14px}
.crumbs a{color:var(--muted)}
.crumbs span{margin:0 6px}
.hero{padding-top:18px;padding-bottom:10px}
.hero p.lead{color:var(--muted);font-size:1.05rem;max-width:760px;margin:0}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}

/* Cards / panels */
.panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px}
.grid{display:grid;gap:14px}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
@media (max-width:900px){.grid-3,.grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:620px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}
.tool-card{display:flex;gap:12px;align-items:flex-start;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:14px;color:var(--text);transition:transform .15s,box-shadow .15s,border-color .15s}
.tool-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);border-color:color-mix(in srgb,var(--brand) 40%,var(--border));text-decoration:none}
.tool-card .ico{flex:0 0 42px;height:42px;border-radius:11px;background:var(--accent-soft);display:grid;place-items:center;font-size:21px}
.tool-card b{display:block;font-size:.98rem}
.tool-card small{color:var(--muted);font-size:.84rem;line-height:1.4;display:block;margin-top:2px}

/* Section headers */
.sec{margin:34px 0}
.sec-h{display:flex;align-items:end;justify-content:space-between;gap:10px;margin-bottom:14px}
.sec-h h2{margin:0}
.sec-h a{font-weight:600;white-space:nowrap}

/* Forms */
.field{display:flex;flex-direction:column;gap:6px;min-width:0}
.field label{font-weight:600;font-size:.9rem}
.input,.select,textarea.input{width:100%;border:1px solid var(--border);background:var(--surface);border-radius:var(--radius-sm);padding:10px 12px;min-height:44px;outline:none;transition:border-color .15s,box-shadow .15s}
.input:focus,.select:focus,textarea.input:focus{border-color:var(--brand);box-shadow:0 0 0 3px color-mix(in srgb,var(--brand) 22%,transparent)}
textarea.input{min-height:140px;resize:vertical;line-height:1.5}
.row{display:flex;gap:10px;flex-wrap:wrap;align-items:end}
.row>.field{flex:1 1 160px}
.inline{display:flex;gap:6px}
.inline .input{flex:1}
.inline .select{flex:0 0 auto;width:auto}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:0;border-radius:var(--radius-sm);padding:10px 16px;min-height:44px;font-weight:700;cursor:pointer;background:var(--grad);color:#fff;box-shadow:0 4px 14px rgba(124,58,237,.3);transition:transform .1s,filter .15s}
.btn:hover{filter:brightness(1.07);text-decoration:none}
.btn:active{transform:scale(.98)}
.btn.ghost{background:var(--surface);color:var(--text);border:1px solid var(--border);box-shadow:none}
.btn.ghost:hover{background:var(--surface-2)}
.btn.sm{min-height:34px;padding:6px 12px;font-size:.88rem}
.btns{display:flex;flex-wrap:wrap;gap:8px}
.chk{display:flex;gap:8px;align-items:center;font-size:.92rem;cursor:pointer}
input[type=range]{accent-color:var(--brand);width:100%}
input[type=color]{width:44px;height:38px;border:1px solid var(--border);border-radius:8px;padding:2px;background:var(--surface);cursor:pointer}

/* Results */
.result{background:var(--accent-soft);border-radius:var(--radius);padding:16px 18px;margin-top:14px}
.result .big{font-size:clamp(1.5rem,4vw,2.2rem);font-weight:800;letter-spacing:-.01em;word-break:break-word}
.result-table{width:100%;border-collapse:collapse;margin-top:10px;font-size:.95rem}
.result-table td,.result-table th{padding:8px 10px;border-bottom:1px solid var(--border);text-align:left}
.result-table th{font-size:.85rem;color:var(--muted);font-weight:600}
.table-wrap{overflow-x:auto}
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:10px;margin-top:10px}
.kpi{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);padding:10px 12px}
.kpi small{color:var(--muted);display:block;font-size:.8rem}
.kpi b{font-size:1.2rem}

/* Chips / tabs */
.chips{display:flex;gap:6px;overflow-x:auto;padding:4px 0 8px;scrollbar-width:thin}
.chip{flex:0 0 auto;border:1px solid var(--border);background:var(--surface);border-radius:999px;padding:6px 13px;font-size:.88rem;cursor:pointer;white-space:nowrap;color:var(--text)}
.chip:hover{background:var(--surface-2);text-decoration:none}
.chip.active{background:var(--text);color:var(--surface);border-color:var(--text)}
.chip .n{opacity:.6;font-size:.78rem;margin-left:4px}

/* Font generator */
.gen-input{position:sticky;top:60px;z-index:30;background:var(--bg);padding-top:10px;padding-bottom:8px}
.gen-box{position:relative;background:var(--surface);border:2px solid transparent;border-radius:16px;background-image:linear-gradient(var(--surface),var(--surface)),var(--grad);background-origin:border-box;background-clip:padding-box,border-box;box-shadow:var(--shadow-lg)}
.gen-box textarea{width:100%;border:0;background:transparent;padding:14px 92px 14px 16px;min-height:58px;max-height:160px;font-size:1.1rem;resize:none;outline:none;display:block}
.gen-tools{position:absolute;right:8px;top:8px;display:flex;gap:4px}
.gen-bar{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-top:8px}
.gen-bar .input{min-height:36px;padding:6px 10px;width:auto;flex:1 1 180px}
.gen-count{font-size:.85rem;color:var(--muted);white-space:nowrap}
.fonts{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
@media (max-width:760px){.fonts{grid-template-columns:1fr}}
.font-row{position:relative;display:flex;align-items:center;gap:8px;background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:10px 10px 10px 14px;cursor:pointer;transition:border-color .12s,box-shadow .12s;min-width:0}
.font-row:hover{border-color:color-mix(in srgb,var(--brand) 55%,var(--border));box-shadow:var(--shadow)}
.font-row .meta{position:absolute;top:-8px;left:12px;font-size:.68rem;background:var(--surface);padding:0 6px;color:var(--muted);border-radius:6px;max-width:70%;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.font-row .out{flex:1;font-size:1.25rem;line-height:1.5;overflow-wrap:anywhere;min-width:0;padding-top:4px}
.font-row .acts{display:flex;gap:4px;flex:0 0 auto}
.mini{width:34px;height:34px;border-radius:9px;border:1px solid var(--border);background:var(--surface-2);cursor:pointer;display:grid;place-items:center;font-size:15px;color:var(--text)}
.mini:hover{background:var(--accent-soft);text-decoration:none}
.mini.fav.on{color:#e11d48}
.mini.copy{background:var(--grad);color:#fff;border:0;width:auto;padding:0 12px;font-weight:700;font-size:.85rem}
.font-row.copied{border-color:var(--ok);box-shadow:0 0 0 3px color-mix(in srgb,var(--ok) 25%,transparent)}
.load-more{display:flex;justify-content:center;margin:18px 0}
.sentinel{height:1px}

/* Symbol / emoji grid */
.sym-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(52px,1fr));gap:6px}
.sym{min-width:0;overflow:hidden;aspect-ratio:1;border:1px solid var(--border);background:var(--surface);border-radius:10px;display:grid;place-items:center;font-size:24px;cursor:pointer;transition:transform .1s,background .12s;line-height:1;user-select:none}
.sym:hover{background:var(--accent-soft);transform:scale(1.08)}
.sym.copied{background:color-mix(in srgb,var(--ok) 25%,var(--surface))}
.kao-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:8px}
.kao{min-width:0;border:1px solid var(--border);background:var(--surface);border-radius:10px;padding:10px;text-align:center;cursor:pointer;font-size:1rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.kao:hover{background:var(--accent-soft)}
.collector{position:sticky;bottom:12px;z-index:40;margin-top:16px}
.collector .panel{display:flex;gap:8px;align-items:center;padding:10px;box-shadow:var(--shadow-lg)}
.collector .input{min-height:40px}

/* Toast */
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%) translateY(30px);background:var(--text);color:var(--surface);padding:10px 18px;border-radius:999px;font-weight:600;opacity:0;pointer-events:none;transition:all .25s;z-index:100;box-shadow:var(--shadow-lg);max-width:90vw;text-align:center}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

/* Content / SEO prose */
.prose{max-width:820px}
.prose p,.prose li{color:color-mix(in srgb,var(--text) 88%,var(--muted))}
.prose h2{margin-top:1.6em}
.prose h3{margin-top:1.3em}
.prose ol,.prose ul{padding-left:1.3em}
.faq details{border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--surface);padding:0 14px;margin:8px 0}
.faq summary{cursor:pointer;font-weight:700;padding:12px 0;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";float:right;color:var(--brand);font-size:1.2rem}
.faq details[open] summary::after{content:"−"}
.faq details p{margin:0 0 12px}
.layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:24px;align-items:start}
.sidebar{position:sticky;top:76px;display:flex;flex-direction:column;gap:14px}
.sidebar .panel{padding:14px}
.sidebar h3{font-size:.95rem;margin-bottom:8px}
.side-links a{display:flex;gap:8px;padding:6px 8px;border-radius:8px;color:var(--text);font-size:.92rem}
.side-links a:hover{background:var(--surface-2);text-decoration:none}
.side-links a.cur{background:var(--accent-soft);font-weight:700}
@media (max-width:980px){.layout{grid-template-columns:1fr}.sidebar{position:static}}
.ad-slot{margin:18px 0;min-height:90px;display:block;width:100%}

/* Footer */
.site-footer{margin-top:50px;background:var(--surface);border-top:1px solid var(--border);padding:34px 0 20px;font-size:.92rem}
.foot-grid{display:grid;grid-template-columns:1.4fr repeat(4,1fr);gap:20px}
.foot-grid h4{margin:0 0 10px;font-size:.95rem}
.foot-grid a{display:block;color:var(--muted);padding:3px 0}
.foot-grid a:hover{color:var(--brand)}
.foot-langs{display:flex;flex-wrap:wrap;gap:6px 14px;margin-top:20px;padding-top:16px;border-top:1px solid var(--border)}
.foot-langs a{color:var(--muted)}
.foot-bottom{margin-top:14px;color:var(--muted);display:flex;justify-content:space-between;flex-wrap:wrap;gap:8px}
@media (max-width:860px){.foot-grid{grid-template-columns:1fr 1fr}}

.to-top{position:fixed;right:16px;bottom:16px;z-index:45;display:none}
.to-top.show{display:grid}

/* Text-to-image */
.ti-stage{background:repeating-conic-gradient(#ddd 0 25%,#fff 0 50%) 0 0/20px 20px;border-radius:var(--radius);border:1px solid var(--border);display:flex;align-items:center;justify-content:center;min-height:260px;overflow:auto;padding:12px}
.ti-stage canvas{max-width:100%;height:auto;display:block}
.presets{display:grid;grid-template-columns:repeat(auto-fill,minmax(120px,1fr));gap:8px}
.preset{border:1px solid var(--border);border-radius:10px;padding:14px 6px;text-align:center;cursor:pointer;font-weight:800;font-size:1.05rem;background:var(--surface)}
.preset:hover{outline:2px solid var(--brand)}
.ctrl-group{border-top:1px solid var(--border);padding-top:12px;margin-top:12px}
.ctrl-group>summary{font-weight:700;cursor:pointer;margin-bottom:8px}
.range-row{display:grid;grid-template-columns:110px 1fr 46px;gap:8px;align-items:center;font-size:.9rem}
.range-row output{text-align:right;color:var(--muted);font-variant-numeric:tabular-nums}

/* Calculator keypad */
.calc{max-width:420px}
.calc-display{background:var(--surface-2);border-radius:var(--radius-sm);padding:12px 14px;text-align:right;margin-bottom:10px;min-height:86px}
.calc-display .expr{color:var(--muted);font-size:.95rem;min-height:1.4em;word-break:break-all;font-family:var(--mono)}
.calc-display .val{font-size:2rem;font-weight:700;word-break:break-all;font-family:var(--mono)}
.keys{display:grid;grid-template-columns:repeat(5,1fr);gap:6px}
.key{min-height:48px;border-radius:10px;border:1px solid var(--border);background:var(--surface);cursor:pointer;font-weight:600;font-size:1rem}
.key:hover{background:var(--surface-2)}
.key.op{background:var(--accent-soft);color:var(--brand)}
.key.eq{background:var(--grad);color:#fff;border:0}
.badge{display:inline-block;background:var(--accent-soft);color:var(--brand);font-size:.75rem;font-weight:700;padding:2px 8px;border-radius:999px}
.notice{font-size:.85rem;color:var(--muted);margin-top:8px}
.swap{align-self:end;min-height:44px}
.pair-links{display:flex;flex-wrap:wrap;gap:6px}
.stats-bar{display:flex;flex-wrap:wrap;gap:8px;margin:10px 0}
.stats-bar span{background:var(--surface-2);border-radius:8px;padding:4px 10px;font-size:.85rem}
.stats-bar b{font-variant-numeric:tabular-nums}
.mono{font-family:var(--mono)}
.hide{display:none!important}

/* Right-to-left languages (ar, fa, ur, he) */
[dir="rtl"] .nav{margin-left:0;margin-right:12px}
[dir="rtl"] .hdr-right{margin-left:0;margin-right:auto}
[dir="rtl"] .mega{left:auto;right:0}
[dir="rtl"] .search-results{right:auto;left:0}
[dir="rtl"] .gen-box textarea{padding:14px 16px 14px 92px}
[dir="rtl"] .gen-tools{right:auto;left:8px}
[dir="rtl"] .font-row{padding:10px 14px 10px 10px}
[dir="rtl"] .font-row .meta{left:auto;right:12px}
[dir="rtl"] .prose ol,[dir="rtl"] .prose ul{padding-left:0;padding-right:1.3em}
[dir="rtl"] .faq summary::after{float:left}
[dir="rtl"] .to-top{right:auto;left:16px}
[dir="rtl"] .range-row output{text-align:left}
[dir="rtl"] .result-table td,[dir="rtl"] .result-table th{text-align:right}
[dir="rtl"] .calc-display{text-align:left}
.font-row .out,.gen-box textarea,.kao,#cuOut,.mono{unicode-bidi:plaintext}