/* SkillForge — BPSO Lab 2026 / Plotter Index, dark-first, tools accent #8b5cf6 */
:root{
  --bg:#0f172a; --bg2:#1e293b; --surface:#111c34; --surface2:#0b1222;
  --border:rgba(148,163,184,.16); --text:#f1f5f9; --muted:#94a3b8; --dim:#64748b;
  --accent:#8b5cf6; --accent-2:#a78bfa; --brand:#2563eb;
  --ok:#34d399; --warn:#fbbf24; --err:#f87171;
  --radius:16px; --reading:1120px; --font-h:'Poppins',sans-serif; --font-b:'Inter',system-ui,sans-serif;
}
[data-theme="light"]{
  --bg:#f8fafc; --bg2:#eef2f7; --surface:#ffffff; --surface2:#f1f5f9;
  --border:rgba(15,23,42,.12); --text:#0f172a; --muted:#475569; --dim:#94a3b8;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0; font-family:var(--font-b); color:var(--text); line-height:1.6;
  background:var(--bg);
  background-image:radial-gradient(rgba(148,163,184,.10) 1px, transparent 1.5px);
  background-size:30px 30px; background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
}
.skip-link{position:absolute;left:-9999px}
.skip-link:focus{left:12px;top:12px;background:var(--accent);color:#fff;padding:8px 14px;border-radius:8px;z-index:100}
code{font-family:ui-monospace,'Cascadia Code','Source Code Pro',Menlo,monospace;font-size:.9em;color:var(--accent-2);background:rgba(139,92,246,.10);padding:.1em .35em;border-radius:5px}
.hl{color:var(--accent-2)}

/* --- i18n --- */
.lang-block{display:none}
body.lang-pt .lang-pt, body.lang-en .lang-en, body.lang-es .lang-es{display:revert}

/* --- navbar --- */
.sf-nav{display:flex;align-items:center;justify-content:space-between;gap:1rem;
  padding:.9rem clamp(1rem,4vw,2.5rem);border-bottom:1px solid var(--border);
  background:color-mix(in srgb,var(--bg) 85%,transparent);backdrop-filter:blur(8px);position:sticky;top:0;z-index:20}
.sf-brand{display:flex;align-items:center;gap:.55rem;text-decoration:none;color:var(--text)}
.sf-brand-name{font-family:var(--font-h);font-weight:800;font-size:1.15rem;letter-spacing:-.01em}
.sf-logo-mark{display:grid;place-items:center;width:32px;height:32px;border-radius:9px;color:#fff;font-size:1.05rem;
  background:radial-gradient(130% 130% at 32% 22%,#a78bfa 0%,#8b5cf6 45%,#6d28d9 100%);box-shadow:0 2px 10px rgba(139,92,246,.35)}
.sf-nav-actions{display:flex;align-items:center;gap:1rem}
.sf-nav-link{color:var(--muted);text-decoration:none;font-size:.9rem;font-weight:500;display:inline-flex;align-items:center;gap:.3rem;white-space:nowrap}
.sf-nav-link:hover{color:var(--text)}
.sf-nav-div{width:1px;height:20px;background:var(--border)}
.lang-switch{display:flex;gap:.15rem}
.lang-switch .lang-btn{color:var(--dim);text-decoration:none;font-size:.78rem;font-weight:600;padding:.25rem .45rem;border-radius:6px}
.lang-switch .lang-btn[aria-current="true"]{color:#fff;background:var(--accent)}
.theme-btn{background:none;border:1px solid var(--border);color:var(--muted);width:36px;height:36px;border-radius:50%;cursor:pointer;display:grid;place-items:center}
.theme-btn .ri-sun-line{display:none} .theme-btn .ri-moon-line{display:block}
[data-theme="light"] .theme-btn .ri-sun-line{display:block} [data-theme="light"] .theme-btn .ri-moon-line{display:none}

/* --- layout --- */
#app{max-width:var(--reading);margin:0 auto;padding:clamp(1.4rem,4vw,3rem) clamp(1rem,4vw,2.5rem) 4rem}
.sf-hero{text-align:center;margin-bottom:2rem}
.sf-eyebrow{font-size:.75rem;font-weight:600;letter-spacing:.16em;color:var(--accent-2);margin:0 0 .6rem}
.sf-hero h1{font-family:var(--font-h);font-weight:800;font-size:clamp(1.7rem,4vw,2.6rem);line-height:1.1;letter-spacing:-.02em;margin:0 0 .7rem}
.sf-sub{color:var(--muted);max-width:640px;margin:0 auto;font-size:1.02rem}
.trust-badge{display:inline-flex;align-items:center;gap:.5rem;margin-top:1rem;font-size:.85rem;color:var(--ok);
  background:rgba(52,211,153,.08);border:1px solid rgba(52,211,153,.25);padding:.4rem .9rem;border-radius:999px}
.pulse-dot{width:7px;height:7px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 0 rgba(52,211,153,.5);animation:pulse 2s infinite}
@keyframes pulse{70%{box-shadow:0 0 0 8px rgba(52,211,153,0)}100%{box-shadow:0 0 0 0 rgba(52,211,153,0)}}

/* --- templates --- */
.sf-templates-wrap{margin-bottom:1.6rem;text-align:center}
.sf-tpl-label{font-size:.85rem;color:var(--muted);margin:0 0 .6rem}
.sf-templates{display:flex;flex-wrap:wrap;gap:.5rem;justify-content:center}
.sf-tpl{font-family:ui-monospace,monospace;font-size:.85rem;color:var(--accent-2);cursor:pointer;
  background:var(--surface);border:1px solid var(--border);padding:.45rem .85rem;border-radius:999px;transition:border-color .15s,color .15s}
.sf-tpl:hover{border-color:var(--accent);color:var(--text)}

/* --- grid: form | preview --- */
.sf-grid{display:grid;grid-template-columns:1fr 1fr;gap:1.4rem;align-items:start}
@media(max-width:820px){.sf-grid{grid-template-columns:1fr}}
.sf-form{display:flex;flex-direction:column;gap:1.1rem}
.sf-field{display:flex;flex-direction:column;gap:.4rem}
.sf-lbl{font-size:.85rem;font-weight:600;color:var(--text)}
.sf-hint{font-weight:400;color:var(--dim)}
.sf-field input[type=text],.sf-field textarea{
  font-family:inherit;font-size:.95rem;color:var(--text);background:var(--surface2);
  border:1px solid var(--border);border-radius:10px;padding:.6rem .75rem;width:100%;resize:vertical}
.sf-field textarea{font-family:ui-monospace,monospace;line-height:1.5}
.sf-field input:focus,.sf-field textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(139,92,246,.15)}
.sf-msg{font-size:.8rem;min-height:1em;color:var(--dim)}
.sf-msg.msg-ok{color:var(--ok)} .sf-msg.msg-weak{color:var(--warn)} .sf-msg.msg-err{color:var(--err)}
.sf-file-btn{display:inline-flex;align-items:center;gap:.45rem;cursor:pointer;font-size:.88rem;color:var(--accent-2);
  background:rgba(139,92,246,.08);border:1px dashed rgba(139,92,246,.35);padding:.55rem .9rem;border-radius:10px;align-self:flex-start}
.sf-file-btn:hover{background:rgba(139,92,246,.14)}
.sf-filelist{display:flex;flex-direction:column;gap:.35rem;margin-top:.5rem}
.sf-file{display:flex;align-items:center;justify-content:space-between;gap:.6rem;font-size:.85rem;
  background:var(--surface2);border:1px solid var(--border);border-radius:8px;padding:.4rem .65rem}
.sf-file span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.sf-file button{background:none;border:none;color:var(--err);cursor:pointer;font-size:.8rem}

/* --- preview --- */
.sf-preview-wrap{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;position:sticky;top:5rem}
.sf-preview-head{display:flex;align-items:center;justify-content:space-between;gap:.6rem;padding:.7rem .9rem;border-bottom:1px solid var(--border);background:var(--surface2)}
.sf-fname{font-family:ui-monospace,monospace;font-size:.8rem;color:var(--muted)}
.sf-actions{display:flex;gap:.5rem}
#sf-preview{margin:0;padding:1rem;font-family:ui-monospace,monospace;font-size:.85rem;line-height:1.55;color:var(--text);
  white-space:pre-wrap;word-break:break-word;max-height:60vh;overflow:auto}

/* --- buttons --- */
.btn-primary,.btn-ghost{display:inline-flex;align-items:center;gap:.4rem;font-family:var(--font-b);font-weight:600;font-size:.85rem;
  cursor:pointer;border-radius:999px;padding:.5rem .95rem;text-decoration:none;border:1px solid transparent;transition:background .15s,border-color .15s}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-2)}
[data-theme="light"] .btn-primary{color:#fff}
.btn-ghost{background:transparent;color:var(--text);border-color:var(--border)}
.btn-ghost:hover{border-color:var(--accent)}

/* --- funnel --- */
.sf-funnel{margin-top:3rem;text-align:center;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:2rem clamp(1rem,4vw,2.5rem)}
.sf-funnel h2{font-family:var(--font-h);font-weight:700;font-size:clamp(1.2rem,3vw,1.6rem);margin:0 0 .5rem}
.sf-funnel p{color:var(--muted);max-width:520px;margin:0 auto 1.2rem}
.sf-funnel-cta{display:flex;gap:.7rem;justify-content:center;flex-wrap:wrap}

/* --- footer (the only BPSO mention) --- */
.sf-footer{border-top:1px solid var(--border);background:var(--surface2);margin-top:3rem}
.sf-footer-in{max-width:var(--reading);margin:0 auto;padding:1.8rem clamp(1rem,4vw,2.5rem);
  display:flex;flex-wrap:wrap;align-items:center;gap:1rem 2rem;justify-content:space-between}
.sf-footer-brand{display:flex;align-items:center;gap:.6rem}
.sf-footer-id strong{font-family:var(--font-h);font-weight:700;display:block;line-height:1.1}
.sf-footer-by{font-size:.82rem;color:var(--muted)}
.sf-footer-by a{color:var(--accent-2);text-decoration:none;font-weight:600}
.sf-footer-by a:hover{text-decoration:underline}
.sf-footer-pitch{flex:1 1 280px;min-width:220px;font-size:.85rem;color:var(--muted);margin:0}
.sf-footer-links{display:flex;gap:1.1rem;flex-wrap:wrap}
.sf-footer-links a{color:var(--muted);text-decoration:none;font-size:.85rem;font-weight:500}
.sf-footer-links a:hover{color:var(--text)}

@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}