/* PhotoCen — API platform design system. Vanilla CSS, no build step. */
:root{
  --pc-bg:#0b1020; --pc-bg-soft:#11182e; --pc-panel:#ffffff; --pc-ink:#0b1020;
  --pc-ink-soft:#4a5168; --pc-line:#e6e8f0; --pc-line-soft:#eef0f6;
  --pc-primary:#6d5ef8; --pc-primary-ink:#5848e6; --pc-accent:#22b8cf;
  --pc-ok:#16a34a; --pc-warn:#d97706; --pc-err:#dc2626; --pc-muted:#8a90a6;
  --pc-code-bg:#0e1426; --pc-radius:12px; --pc-radius-sm:8px;
  --pc-shadow:0 1px 2px rgba(16,24,40,.06),0 8px 24px rgba(16,24,40,.06);
  --pc-font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Inter,Helvetica,Arial,sans-serif;
  --pc-mono:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,"Liberation Mono",monospace;
  --pc-maxw:1120px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:var(--pc-font);color:var(--pc-ink);background:#f7f8fc;line-height:1.55;-webkit-font-smoothing:antialiased}
a{color:var(--pc-primary-ink);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:var(--pc-maxw);margin:0 auto;padding:0 20px}
.muted{color:var(--pc-muted)}
.small{font-size:13px}
h1,h2,h3{line-height:1.2;margin:0 0 .4em}
h1{font-size:clamp(28px,4vw,44px);letter-spacing:-.02em}
h2{font-size:24px;letter-spacing:-.01em}
code,pre,kbd{font-family:var(--pc-mono)}
/* Top nav */
.nav{position:sticky;top:0;z-index:30;background:rgba(255,255,255,.86);backdrop-filter:saturate(180%) blur(8px);border-bottom:1px solid var(--pc-line)}
.nav .container{display:flex;align-items:center;gap:22px;height:62px}
.nav .brand{display:flex;align-items:center;gap:8px}
.nav .brand img{height:26px}
.nav .spacer{flex:1}
.nav a.navlink{color:var(--pc-ink-soft);font-weight:500;font-size:14px}
.nav a.navlink:hover{color:var(--pc-ink);text-decoration:none}
/* On app-shell pages (sidebar layout) the nav spans the full viewport so it aligns
   with the full-bleed shell below it, instead of centering at the marketing maxw. */
body.app .nav .container{max-width:none}
/* Buttons */
.btn{display:inline-flex;align-items:center;gap:8px;justify-content:center;padding:10px 16px;border-radius:var(--pc-radius-sm);
  font-weight:600;font-size:14px;border:1px solid transparent;cursor:pointer;transition:.15s;line-height:1}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--pc-primary);color:#fff}
.btn-primary:hover{background:var(--pc-primary-ink);color:#fff}
.btn-ghost{background:#fff;color:var(--pc-ink);border-color:var(--pc-line)}
.btn-ghost:hover{border-color:#cdd1de}
.btn-danger{background:#fff;color:var(--pc-err);border-color:#f3c7c7}
.btn-sm{padding:7px 11px;font-size:13px}
.btn[disabled]{opacity:.55;cursor:not-allowed}
/* Hero */
.hero{background:radial-gradient(1200px 500px at 75% -10%,rgba(109,94,248,.18),transparent),
  radial-gradient(900px 500px at 10% 0%,rgba(34,184,207,.14),transparent);padding:74px 0 56px}
.hero .eyebrow{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;
  color:var(--pc-primary-ink);background:rgba(109,94,248,.1);padding:6px 11px;border-radius:999px;margin-bottom:18px}
.hero p.lede{font-size:19px;color:var(--pc-ink-soft);max-width:640px;margin:14px 0 26px}
.hero .cta-row{display:flex;gap:12px;flex-wrap:wrap}
.grid{display:grid;gap:18px}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
@media(max-width:880px){.grid-3,.grid-2,.grid-4{grid-template-columns:1fr}}
/* Cards / panels */
.card{background:var(--pc-panel);border:1px solid var(--pc-line);border-radius:var(--pc-radius);padding:20px;box-shadow:var(--pc-shadow)}
.card h3{font-size:16px}
.panel{background:#fff;border:1px solid var(--pc-line);border-radius:var(--pc-radius);box-shadow:var(--pc-shadow)}
.panel-pad{padding:22px}
.section{padding:54px 0}
.feature-ico{width:38px;height:38px;border-radius:10px;background:linear-gradient(135deg,var(--pc-primary),var(--pc-accent));
  display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;margin-bottom:12px}
/* Code blocks */
pre.code{background:var(--pc-code-bg);color:#e7ecf5;border-radius:var(--pc-radius);padding:16px 18px;overflow:auto;font-size:13px;line-height:1.5;border:1px solid #1c2540}
pre.code .tok-key{color:#8fb3ff}
.codecard{border:1px solid #1c2540;border-radius:var(--pc-radius);overflow:hidden}
.codecard .codehead{background:#0a0f1f;color:#aeb6cc;font-size:12px;padding:8px 14px;border-bottom:1px solid #1c2540;display:flex;gap:8px;align-items:center}
.dot{width:9px;height:9px;border-radius:50%}
/* Tables */
table.tbl{width:100%;border-collapse:collapse;font-size:14px}
table.tbl th,table.tbl td{text-align:left;padding:11px 12px;border-bottom:1px solid var(--pc-line-soft)}
table.tbl th{color:var(--pc-muted);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.04em}
table.tbl tr:hover td{background:#fafbff}
/* Forms */
label.fld{display:block;font-size:13px;font-weight:600;margin:0 0 6px;color:var(--pc-ink)}
input[type=text],input[type=email],input[type=password],input[type=number],select,textarea{
  width:100%;padding:10px 12px;border:1px solid var(--pc-line);border-radius:var(--pc-radius-sm);font-size:14px;font-family:inherit;background:#fff;color:var(--pc-ink)}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--pc-primary);box-shadow:0 0 0 3px rgba(109,94,248,.15)}
textarea{min-height:90px;resize:vertical}
.field{margin-bottom:16px}
.checkrow{display:flex;align-items:flex-start;gap:9px}
.checkrow input{width:auto;margin-top:3px}
/* Badges / pills */
.badge{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;padding:3px 9px;border-radius:999px;border:1px solid var(--pc-line)}
.badge-ok{color:var(--pc-ok);background:#ecfdf3;border-color:#bbf7d0}
.badge-warn{color:var(--pc-warn);background:#fffbeb;border-color:#fde68a}
.badge-err{color:var(--pc-err);background:#fef2f2;border-color:#fecaca}
.badge-info{color:var(--pc-primary-ink);background:#f1effe;border-color:#ddd6fe}
/* Alerts */
.alert{padding:12px 14px;border-radius:var(--pc-radius-sm);font-size:14px;margin-bottom:16px;border:1px solid}
.alert-ok{background:#ecfdf3;border-color:#bbf7d0;color:#166534}
.alert-err{background:#fef2f2;border-color:#fecaca;color:#991b1b}
.alert-info{background:#f1effe;border-color:#ddd6fe;color:#4338ca}
/* App shell (dashboard/admin) */
.shell{display:grid;grid-template-columns:248px 1fr;min-height:calc(100vh - 62px)}
.side{background:#0e1426;color:#c7cde0;padding:18px 12px}
.side .grp{font-size:11px;text-transform:uppercase;letter-spacing:.07em;margin:16px 10px 6px;color:#9aa3bf}
.side a{display:block;color:#c7cde0;padding:8px 12px;border-radius:8px;font-size:14px;margin-bottom:2px}
.side a:hover{background:#1a2340;text-decoration:none;color:#fff}
.side a.active{background:var(--pc-primary);color:#fff}
.content{padding:28px 30px;max-width:1000px}
.content-wide{max-width:1500px}
/* Image gallery: dense, responsive thumbnail grid (Picsum-style) */
.imggrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:14px}
.imgcard{position:relative;background:var(--pc-panel);border:1px solid var(--pc-line);border-radius:var(--pc-radius);padding:8px;box-shadow:var(--pc-shadow)}
.imgcard.sel{border-color:var(--pc-primary);box-shadow:0 0 0 2px rgba(109,94,248,.35)}
.imgcard .thumb{display:block;width:100%;aspect-ratio:1;object-fit:cover;border-radius:var(--pc-radius-sm);background:#f2f2f7}
.imgcard .pick{position:absolute;top:12px;left:12px;width:18px;height:18px;cursor:pointer;z-index:2;accent-color:var(--pc-primary)}
.bulkbar{position:sticky;top:62px;z-index:5;display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  background:#fff;border:1px solid var(--pc-line);border-radius:var(--pc-radius);padding:10px 14px;margin-bottom:14px;box-shadow:var(--pc-shadow)}
.bulkbar .count{font-weight:600}
@media(max-width:560px){.imggrid{grid-template-columns:repeat(auto-fill,minmax(140px,1fr))}}
.kpi{display:flex;gap:16px;flex-wrap:wrap;margin-bottom:22px}
.kpi .card{flex:1;min-width:150px}
.kpi .n{font-size:28px;font-weight:700}
@media(max-width:820px){.shell{grid-template-columns:1fr}.side{display:flex;flex-wrap:wrap;gap:4px}}
/* Footer */
.footer{border-top:1px solid var(--pc-line);padding:34px 0;color:var(--pc-muted);font-size:14px;margin-top:40px}
.footer a{color:var(--pc-ink-soft)}
/* Footer language switcher (a <details> disclosure that opens upward) */
.langpick{position:relative;display:inline-block}
.langpick>summary{list-style:none;cursor:pointer;color:var(--pc-ink-soft);user-select:none;display:inline-flex;align-items:center;gap:6px}
.langpick>summary::-webkit-details-marker{display:none}
.langpick>summary:hover{color:var(--pc-ink)}
.langpick[open]>summary{color:var(--pc-ink)}
.langmenu{position:absolute;bottom:calc(100% + 10px);right:0;z-index:40;width:300px;max-height:340px;overflow:auto;
  background:#fff;border:1px solid var(--pc-line);border-radius:var(--pc-radius);box-shadow:0 10px 30px rgba(16,24,40,.16);
  padding:6px;display:grid;grid-template-columns:1fr 1fr;gap:2px}
.langmenu a{display:block;padding:7px 10px;border-radius:8px;color:var(--pc-ink);font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.langmenu a:hover{background:var(--pc-line-soft);text-decoration:none}
.langmenu a.active{background:var(--pc-primary);color:#fff;font-weight:600}
@media(max-width:560px){.langmenu{position:fixed;left:12px;right:12px;bottom:12px;width:auto}}
/* Minimal RTL support — flip text alignment and the language menu anchor */
[dir=rtl] body{text-align:right}
[dir=rtl] .nav .container,[dir=rtl] .flex,[dir=rtl] .flex-between,[dir=rtl] .cta-row{direction:rtl}
[dir=rtl] .langmenu{right:auto;left:0}
[dir=rtl] .hero p.lede,[dir=rtl] .right{text-align:right}
.hr{height:1px;background:var(--pc-line);border:0;margin:22px 0}
.right{text-align:right}.center{text-align:center}
.flex{display:flex;gap:12px;align-items:center}.flex-between{display:flex;gap:12px;align-items:center;justify-content:space-between}
.mono{font-family:var(--pc-mono);font-size:13px}
.token-reveal{font-family:var(--pc-mono);background:var(--pc-code-bg);color:#7ee787;padding:12px;border-radius:8px;word-break:break-all}