/* ============================================================
   MockScreen Studio — global design system
   Fast, self-contained, no external requests, dark-mode aware
   ============================================================ */
:root{
  --bg:#f6f7fb;
  --surface:#ffffff;
  --surface-2:#f0f2f7;
  --border:#e3e6ee;
  --text:#0f1222;
  --muted:#5b6178;
  --brand:#4f46e5;
  --brand-2:#7c3aed;
  --brand-ink:#ffffff;
  --ring:rgba(79,70,229,.35);
  --ok:#16a34a;
  --shadow:0 1px 2px rgba(16,18,34,.06),0 8px 24px rgba(16,18,34,.08);
  --shadow-lg:0 20px 60px rgba(16,18,34,.18);
  --radius:14px;
  --radius-sm:10px;
  --maxw:1180px;
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif,"Apple Color Emoji","Segoe UI Emoji";
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme="light"]){
    --bg:#0c0e16;--surface:#141826;--surface-2:#1b2030;--border:#262c3f;
    --text:#eef1f8;--muted:#9aa2b8;--ring:rgba(124,58,237,.45);
    --shadow:0 1px 2px rgba(0,0,0,.4),0 10px 30px rgba(0,0,0,.5);
    --shadow-lg:0 24px 70px rgba(0,0,0,.6);
  }
}
:root[data-theme="dark"]{
  --bg:#0c0e16;--surface:#141826;--surface-2:#1b2030;--border:#262c3f;
  --text:#eef1f8;--muted:#9aa2b8;--ring:rgba(124,58,237,.45);
  --shadow:0 1px 2px rgba(0,0,0,.4),0 10px 30px rgba(0,0,0,.5);
  --shadow-lg:0 24px 70px rgba(0,0,0,.6);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;font-family:var(--font);background:var(--bg);color:var(--text);
  line-height:1.6;font-size:16px;-webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{line-height:1.2;margin:0 0 .5em;font-weight:750;letter-spacing:-.02em}
h1{font-size:clamp(1.7rem,4vw,2.6rem)}
h2{font-size:clamp(1.35rem,3vw,1.9rem)}
p{margin:0 0 1em}
.container{max-width:var(--maxw);margin:0 auto;padding:0 20px}
.muted{color:var(--muted)}
.center{text-align:center}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:50;background:color-mix(in srgb,var(--surface) 88%,transparent);
  backdrop-filter:saturate(180%) blur(12px);border-bottom:1px solid var(--border)}
.nav{display:flex;align-items:center;gap:18px;height:62px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.05rem;color:var(--text)}
.brand:hover{text-decoration:none}
.brand .logo{width:30px;height:30px;border-radius:9px;background:linear-gradient(135deg,var(--brand),var(--brand-2));
  display:grid;place-items:center;color:#fff;font-size:16px;box-shadow:var(--shadow)}
.nav-links{display:flex;gap:6px;margin-left:auto;align-items:center}
.nav-links a{padding:8px 12px;border-radius:9px;color:var(--muted);font-weight:600;font-size:.94rem}
.nav-links a:hover{background:var(--surface-2);color:var(--text);text-decoration:none}
.theme-btn{border:1px solid var(--border);background:var(--surface);color:var(--text);width:38px;height:38px;
  border-radius:10px;cursor:pointer;display:grid;place-items:center;font-size:16px}
.menu-toggle{display:none}
@media (max-width:820px){
  .nav-links{position:fixed;inset:62px 0 auto 0;flex-direction:column;background:var(--surface);
    border-bottom:1px solid var(--border);padding:10px 16px;gap:2px;align-items:stretch;
    transform:translateY(-140%);transition:transform .25s ease;box-shadow:var(--shadow)}
  .nav-links.open{transform:translateY(0)}
  .nav-links a{padding:12px}
  .menu-toggle{display:grid;place-items:center;margin-left:auto;width:38px;height:38px;border-radius:10px;
    border:1px solid var(--border);background:var(--surface);color:var(--text);cursor:pointer;font-size:18px}
  .nav .theme-btn{margin-left:0}
}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:8px;padding:11px 18px;border-radius:11px;font-weight:700;
  font-size:.95rem;cursor:pointer;border:1px solid transparent;transition:transform .06s ease,box-shadow .2s,background .2s;
  text-decoration:none;line-height:1}
.btn:hover{text-decoration:none}
.btn:active{transform:translateY(1px)}
.btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;box-shadow:var(--shadow)}
.btn-primary:hover{box-shadow:0 8px 22px var(--ring)}
.btn-ghost{background:var(--surface);color:var(--text);border-color:var(--border)}
.btn-ghost:hover{background:var(--surface-2)}
.btn-block{width:100%;justify-content:center}
.btn-lg{padding:14px 26px;font-size:1.05rem}

/* ---------- Hero ---------- */
.hero{padding:64px 0 34px;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:-40% -10% auto -10%;height:520px;z-index:-1;
  background:radial-gradient(60% 60% at 50% 0%,color-mix(in srgb,var(--brand) 22%,transparent),transparent 70%)}
.hero h1{max-width:16ch;margin-inline:auto}
.hero p.lead{font-size:1.15rem;color:var(--muted);max-width:60ch;margin:0 auto 26px}
.hero-cta{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.badges{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-top:22px}
.badge{font-size:.82rem;font-weight:600;color:var(--muted);background:var(--surface);border:1px solid var(--border);
  padding:6px 12px;border-radius:999px;display:inline-flex;gap:6px;align-items:center}

/* ---------- Tool grid ---------- */
.section{padding:40px 0}
.section-head{text-align:center;margin-bottom:28px}
.section-head p{color:var(--muted);max-width:56ch;margin:0 auto}
.grid{display:grid;gap:16px;grid-template-columns:repeat(auto-fill,minmax(230px,1fr))}
.tool-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:18px;
  display:flex;flex-direction:column;gap:8px;transition:transform .12s ease,box-shadow .2s,border-color .2s;color:var(--text)}
.tool-card:hover{text-decoration:none;transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:color-mix(in srgb,var(--brand) 40%,var(--border))}
.tool-card .ic{width:44px;height:44px;border-radius:11px;display:grid;place-items:center;font-size:22px;color:#fff;box-shadow:var(--shadow)}
.tool-card h3{font-size:1.05rem;margin:2px 0 0}
.tool-card p{font-size:.9rem;color:var(--muted);margin:0}
.cat-title{font-size:1.15rem;font-weight:800;margin:26px 0 12px;display:flex;align-items:center;gap:10px}
.cat-title .line{height:1px;background:var(--border);flex:1}

/* icon gradients */
.g-blue{background:linear-gradient(135deg,#0a84ff,#0060df)}
.g-green{background:linear-gradient(135deg,#25d366,#128c7e)}
.g-pink{background:linear-gradient(135deg,#f9508e,#c13584)}
.g-indigo{background:linear-gradient(135deg,#4f46e5,#7c3aed)}
.g-yellow{background:linear-gradient(135deg,#fcc419,#f59f00);color:#3b2c00!important}
.g-sky{background:linear-gradient(135deg,#1d9bf0,#0c7abf)}
.g-red{background:linear-gradient(135deg,#ff3b30,#c1271d)}
.g-teal{background:linear-gradient(135deg,#14b8a6,#0d9488)}
.g-orange{background:linear-gradient(135deg,#ff6a00,#ee0979)}
.g-slate{background:linear-gradient(135deg,#475569,#1e293b)}

/* ---------- Editor layout ---------- */
.editor{display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:26px;align-items:start;padding:26px 0 10px}
@media (max-width:940px){.editor{grid-template-columns:1fr}}
.stage{position:sticky;top:80px;display:flex;flex-direction:column;align-items:center;gap:16px}
@media (max-width:940px){.stage{position:static}}
.panel{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow)}
.panel h2{font-size:1.05rem;margin:0 0 4px}
.panel .hint{font-size:.85rem;color:var(--muted);margin:0 0 14px}
.field{margin-bottom:14px}
.field label{display:block;font-size:.82rem;font-weight:700;color:var(--muted);margin-bottom:6px;text-transform:uppercase;letter-spacing:.03em}
.input,.select,textarea.input{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:10px;
  background:var(--surface-2);color:var(--text);font:inherit;font-size:.94rem}
.input:focus,.select:focus,textarea.input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px var(--ring);background:var(--surface)}
textarea.input{resize:vertical;min-height:70px;line-height:1.45}
.row{display:flex;gap:10px}
.row>*{flex:1}
.seg{display:flex;background:var(--surface-2);border:1px solid var(--border);border-radius:10px;padding:3px;gap:3px}
.seg button{flex:1;border:0;background:transparent;color:var(--muted);padding:8px;border-radius:8px;cursor:pointer;font-weight:700;font-size:.86rem}
.seg button.active{background:var(--surface);color:var(--text);box-shadow:var(--shadow)}
.switch{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:9px 0}
.switch label{margin:0;text-transform:none;letter-spacing:0;font-size:.92rem;color:var(--text)}
.toggle{appearance:none;width:44px;height:26px;background:var(--border);border-radius:999px;position:relative;cursor:pointer;transition:background .2s;flex:none}
.toggle:checked{background:var(--brand)}
.toggle::after{content:"";position:absolute;top:3px;left:3px;width:20px;height:20px;background:#fff;border-radius:50%;transition:transform .2s}
.toggle:checked::after{transform:translateX(18px)}
.divider{height:1px;background:var(--border);margin:16px 0}
.export-row{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.export-row .btn{justify-content:center}
.color-in{width:100%;height:40px;padding:3px;border:1px solid var(--border);border-radius:10px;background:var(--surface-2);cursor:pointer}
.small-note{font-size:.8rem;color:var(--muted);margin-top:8px}
.msg-list{display:flex;flex-direction:column;gap:8px;margin-bottom:12px}
.msg-item{display:flex;gap:8px;align-items:flex-start;background:var(--surface-2);border:1px solid var(--border);border-radius:10px;padding:8px}
.msg-item .side{font-size:.7rem;font-weight:800;color:var(--muted);padding-top:8px;width:34px;text-transform:uppercase}
.msg-item textarea{min-height:38px;border:0;background:transparent;padding:6px}
.msg-item textarea:focus{box-shadow:none;background:var(--surface)}
.msg-item .del{border:0;background:transparent;color:var(--muted);cursor:pointer;font-size:16px;padding:6px;border-radius:8px}
.msg-item .del:hover{color:#ff3b30;background:color-mix(in srgb,#ff3b30 12%,transparent)}
.add-row{display:grid;grid-template-columns:1fr 1fr;gap:10px}

/* ---------- Content / SEO sections ---------- */
.prose{max-width:760px;margin:0 auto;padding:20px}
.prose h2{margin-top:1.6em}
.prose ul{padding-left:1.2em}
.prose li{margin:.3em 0}
.faq{max-width:820px;margin:0 auto}
.faq details{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:2px 18px;margin-bottom:10px}
.faq summary{cursor:pointer;font-weight:700;padding:14px 0;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:10px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:1.4rem;color:var(--muted);font-weight:400}
.faq details[open] summary::after{content:"–"}
.faq details p{padding:0 0 14px;margin:0;color:var(--muted)}
.steps{display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));max-width:900px;margin:0 auto}
.step{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:18px}
.step .n{width:30px;height:30px;border-radius:8px;background:var(--brand);color:#fff;display:grid;place-items:center;font-weight:800;margin-bottom:10px}
.related{display:grid;gap:12px;grid-template-columns:repeat(auto-fill,minmax(200px,1fr))}
.related a{background:var(--surface);border:1px solid var(--border);border-radius:11px;padding:14px;font-weight:700;color:var(--text);display:flex;align-items:center;gap:10px}
.related a:hover{text-decoration:none;border-color:var(--brand)}

/* ---------- Footer ---------- */
.site-footer{border-top:1px solid var(--border);margin-top:50px;background:var(--surface)}
.footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:30px;padding:44px 0 30px}
@media (max-width:760px){.footer-grid{grid-template-columns:1fr 1fr}}
.footer-grid h4{font-size:.8rem;text-transform:uppercase;letter-spacing:.05em;color:var(--muted);margin-bottom:12px}
.footer-grid a{display:block;color:var(--muted);padding:4px 0;font-size:.92rem}
.footer-grid a:hover{color:var(--text)}
.footer-bottom{border-top:1px solid var(--border);padding:18px 0;text-align:center;color:var(--muted);font-size:.86rem}

/* ---------- Toast ---------- */
.toast{position:fixed;left:50%;bottom:26px;transform:translateX(-50%) translateY(120%);background:#0f1222;color:#fff;
  padding:12px 20px;border-radius:12px;font-weight:600;box-shadow:var(--shadow-lg);z-index:100;transition:transform .3s ease;max-width:90vw}
.toast.show{transform:translateX(-50%) translateY(0)}
:root[data-theme="dark"] .toast,@media(prefers-color-scheme:dark){.toast{background:#e9ecf5;color:#0f1222}}

/* Running disclaimer bar — global, top of every page, above the header */
.topbar{background:linear-gradient(135deg,#e11d2e,#b3121f);color:#fff;border-bottom:1px solid rgba(0,0,0,.15);overflow:hidden;box-shadow:0 2px 6px rgba(179,18,31,.25)}
.tb-inner{display:flex;align-items:center;gap:14px;max-width:var(--maxw);margin:0 auto;padding:0 20px;height:42px}
.tb-tag{flex:none;display:inline-flex;align-items:center;gap:7px;font-size:.74rem;font-weight:800;letter-spacing:.08em;
  text-transform:uppercase;color:#c1121f;background:#fff;padding:5px 12px;border-radius:5px;box-shadow:0 1px 3px rgba(0,0,0,.2)}
.tb-tag::before{content:"";width:7px;height:7px;border-radius:50%;background:#e11d2e;box-shadow:0 0 0 3px rgba(225,29,46,.3)}
.tb-marquee{flex:1;overflow:hidden;position:relative;mask-image:linear-gradient(90deg,transparent,#000 3%,#000 97%,transparent)}
.tb-track{display:inline-flex;white-space:nowrap;will-change:transform;animation:tb-scroll 42s linear infinite}
.tb-track span{padding-right:70px;font-size:.9rem;font-weight:500;line-height:42px;color:#fff}
.topbar:hover .tb-track{animation-play-state:paused}
@keyframes tb-scroll{from{transform:translateX(0)}to{transform:translateX(-50%)}}
@media (prefers-reduced-motion:reduce){
  .tb-track{animation:none}
  .tb-marquee{mask-image:none}
  .tb-track span:nth-child(2){display:none}
  .tb-track span{white-space:normal;padding-right:0;line-height:1.4}
  .tb-inner{height:auto;padding-top:8px;padding-bottom:8px}
}

.breadcrumb{font-size:.85rem;color:var(--muted);padding:16px 0 0}
.breadcrumb a{color:var(--muted)}
.pill-row{display:flex;gap:8px;flex-wrap:wrap;margin-top:10px}
.pill{font-size:.78rem;background:var(--surface-2);border:1px solid var(--border);border-radius:999px;padding:4px 10px;color:var(--muted);font-weight:600}