/* CASINO: simple password screen for the Collaborators section (not bank-grade; keeps casual visitors out).
   Password is stored only as a SHA-256 hash. Unlocked state is remembered on the device. */
(function () {
  var H = 'e718b2dd3e0ac1f9208efdffe98024e7406e29c51c31bcfa9a6b29d1951b19f4';
  var P = ['/collaborators', '/theo-adams', '/loys-assal', '/joseph-wilson', '/vasso-vu', '/charlotte-rutherford'];
  var path = location.pathname.replace(/\/+$/, '') || '/';
  var ok = false; try { ok = localStorage.getItem('casinoCollab') === H; } catch (e) {}
  if (ok || P.indexOf(path) < 0) return;
  var de = document.documentElement; de.classList.add('cs-locked');
  var st = document.createElement('style');
  st.textContent = '.cs-locked body>*:not(#cs-gate){visibility:hidden!important}' +
    '#cs-gate{position:fixed;inset:0;z-index:2147483646;background:#fff;display:flex;align-items:center;justify-content:center;font-family:"Hanken Grotesk",Arial,sans-serif}' +
    '#cs-gate form{text-align:center;width:280px;max-width:84vw}' +
    '#cs-gate img{width:200px;max-width:70vw;display:block;margin:0 auto 34px}' +
    '#cs-gate p{font-size:13px;letter-spacing:.06em;text-transform:uppercase;margin:0 0 14px;color:#000}' +
    '#cs-gate input{width:100%;box-sizing:border-box;border:1px solid #000;padding:12px 14px;font-size:16px;text-align:center;outline:none;border-radius:0}' +
    '#cs-gate button{margin-top:10px;width:100%;padding:12px;border:0;background:#000;color:#fff;font-size:13px;letter-spacing:.08em;cursor:pointer}' +
    '#cs-gate .e{color:#d4111b;font-size:12px;height:16px;margin-top:10px}' +
    '#cs-gate a{display:block;margin-top:22px;font-size:12px;color:#777;text-decoration:none}';
  document.head.appendChild(st);
  function sha(s) {
    return crypto.subtle.digest('SHA-256', new TextEncoder().encode(s)).then(function (b) {
      return [].map.call(new Uint8Array(b), function (x) { return ('0' + x.toString(16)).slice(-2); }).join('');
    });
  }
  function show() {
    var logo = document.querySelector('.brand-img img');
    var g = document.createElement('div'); g.id = 'cs-gate';
    g.innerHTML = '<form autocomplete="off">' + (logo ? '<img alt="CASINO" src="' + (logo.currentSrc || logo.src) + '">' : '') +
      '<p>Collaborators</p><input type="password" placeholder="Password" aria-label="Password">' +
      '<button type="submit">ENTER</button><div class="e"></div><a href="/">Back to CASINO</a></form>';
    document.body.appendChild(g);
    var f = g.querySelector('form'), i = g.querySelector('input'), e = g.querySelector('.e');
    i.focus();
    i.addEventListener('input', function () { e.textContent = ''; });
    f.addEventListener('submit', function (ev) {
      ev.preventDefault();
      sha(i.value.trim().toLowerCase()).then(function (h) {
        if (h === H) { try { localStorage.setItem('casinoCollab', H); } catch (x) {} g.remove(); de.classList.remove('cs-locked'); }
        else { e.textContent = 'Incorrect password'; i.select(); }
      });
    });
  }
  if (document.readyState === 'loading') document.addEventListener('DOMContentLoaded', show); else show();
})();