:root{
  --blue:#2aa0e6; --dark:#1f2733; --grey:#6b7280; --bg:#f4f6f9;
  --card:#ffffff; --line:#e5e8ee; --accent:#0a66c2;
}
*{box-sizing:border-box}
body{margin:0;font-family:'Segoe UI',Arial,sans-serif;background:var(--bg);color:var(--dark)}
.hidden{display:none!important}
.brand{font-size:24px;font-weight:700}
.brand-blue{color:var(--blue)} .brand-dark{color:var(--dark)}

/* ---- login ---- */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#e9f3fb,#f4f6f9)}
.login-card{background:var(--card);padding:36px;border-radius:14px;width:340px;
  box-shadow:0 10px 30px rgba(20,40,80,.12)}
.login-sub{color:var(--grey);margin:6px 0 22px}
.login-card label{display:block;font-size:13px;margin:12px 0 4px;color:var(--grey)}
.login-card input{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:8px}
.login-card .terms-consent{display:flex;gap:8px;align-items:flex-start;line-height:1.5}
.login-card .terms-consent input{width:18px;height:18px;margin:2px 0 0;flex-shrink:0}
.terms-document{max-width:850px;margin:30px auto;padding:28px;background:#fff;border:1px solid var(--line);border-radius:12px;line-height:1.65}
.terms-document h1{font-size:26px}
@media(max-width:760px){.terms-document{margin:12px;padding:18px}}
.btn-primary{width:100%;margin-top:20px;background:var(--blue);color:#fff;border:0;
  padding:11px;border-radius:8px;font-size:15px;cursor:pointer}
.btn-primary:hover{background:#1f8fd4}
.hint{font-size:11px;color:var(--grey);margin-top:14px;text-align:center}
.login-status{font-size:12px;color:var(--blue);margin:10px 0 0;text-align:center}
.error{color:#c0392b;font-size:13px;text-align:center}

/* ---- topbar ---- */
.topbar{display:flex;justify-content:space-between;align-items:center;
  background:#fff;padding:14px 28px;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}
.topbar-right{display:flex;align-items:center;gap:14px;color:var(--grey)}
.btn-ghost{background:transparent;border:1px solid var(--line);border-radius:8px;
  padding:7px 14px;cursor:pointer;color:var(--dark)}

/* ---- layout ---- */
.container{max-width:1080px;margin:0 auto;padding:24px 20px 60px}
.section-title{text-align:center;color:var(--dark);margin:14px 0 22px}
.category-strip{display:grid;grid-template-columns:repeat(6,1fr);gap:14px;margin-bottom:8px}
.cat-tile{background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 8px;
  text-align:center;cursor:pointer;transition:.15s}
.cat-tile:hover{box-shadow:0 6px 16px rgba(20,40,80,.1);transform:translateY(-2px)}
.cat-emoji{font-size:26px} .cat-name{font-size:12px;margin-top:8px;color:var(--accent);font-weight:600}

.reco-section,.catalog-section{margin-top:34px}
.reco-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px}
.reco-head h3{margin:0}
.ai-badge{background:#eaf5ff;color:var(--accent);border:1px solid #cfe6fb;
  padding:4px 10px;border-radius:20px;font-size:12px;font-weight:600}
.ai-disclosure{color:var(--grey);font-size:12px;margin:0 0 12px}
#category-filter{padding:8px 12px;border-radius:8px;border:1px solid var(--line)}

.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.reward-card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:16px;
  display:flex;flex-direction:column;gap:8px;transition:.15s}
.reward-card:hover{box-shadow:0 8px 20px rgba(20,40,80,.1)}
.reward-card.reco{border-left:4px solid var(--blue)}
.rc-cat{font-size:11px;color:var(--accent);text-transform:uppercase;letter-spacing:.4px}
.rc-name{font-weight:600;font-size:15px;line-height:1.3;min-height:40px}
.rc-points{color:var(--dark);font-weight:700}
.rc-reason{font-size:12px;color:var(--grey);font-style:italic}
.rc-btn{margin-top:6px;background:var(--blue);color:#fff;border:0;border-radius:8px;
  padding:8px;cursor:pointer}
.rc-btn:hover{background:#1f8fd4}
.footer{text-align:center;color:var(--grey);font-size:12px;padding:24px;border-top:1px solid var(--line)}
@media(max-width:760px){.category-strip{grid-template-columns:repeat(3,1fr)}.card-grid{grid-template-columns:1fr}}

/* sign-in, roles and the change-password dialog (shared by the member site and the settings editor) */
.muted{color:var(--grey);font-size:13px}
.btn-primary.inline{width:auto;margin-top:0;padding:10px 22px}
.actions{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-top:6px}
a.btn-ghost{text-decoration:none;color:inherit;display:inline-block}
.role-badge{background:#eef6fd;color:var(--blue);border:1px solid #cfe6f8;border-radius:999px;
  padding:2px 10px;font-size:12px;font-weight:600}
.dialog{border:1px solid var(--line);border-radius:12px;padding:22px 24px;width:min(420px,92vw)}
.dialog::backdrop{background:rgba(20,30,50,.35)}
.dialog h3{margin:0 0 12px}
.dialog label{display:block;font-size:13px;color:var(--grey);margin:10px 0 4px}
.dialog input{width:100%;padding:10px 12px;border:1px solid var(--line);border-radius:8px;box-sizing:border-box}
.dialog .error{text-align:left;min-height:1em}
#no-member-note{margin:8px 0 24px}

/* clickable reward cards and the reward details dialog */
.reward-card{cursor:pointer}
.reward-card:focus-visible{outline:3px solid var(--blue);outline-offset:2px}
.item-dialog{width:min(560px,94vw);position:relative}
.dialog-close{position:absolute;top:10px;right:12px;background:transparent;border:0;font-size:24px;
  line-height:1;cursor:pointer;color:var(--grey)}
.dialog-close:hover{color:var(--dark)}
.item-dialog h3{margin:4px 32px 8px 0;font-size:20px}
.item-dialog h4{margin:20px 0 8px;font-size:14px;color:var(--grey)}
.item-facts{display:flex;gap:8px;align-items:baseline;margin-bottom:12px}
.item-why{background:#f4f9fe;border:1px solid #d8eaf9;border-radius:10px;padding:10px 14px;margin:8px 0 14px}
.item-why p{margin:6px 0 0}
.item-explain h4{margin:10px 0 4px;font-size:14px}
.explain-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px}
.explain-list li{font-size:14px}
.explain-bar{display:block;height:4px;background:#d8eaf9;border-radius:4px;margin-top:3px}
.explain-bar span{display:block;height:100%;background:var(--blue);border-radius:4px}
.explain-vote{display:flex;gap:8px;align-items:center;margin-top:8px;font-size:13px}
.explain-vote .btn-ghost{padding:2px 10px}
.related-list{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.related-item{display:flex;justify-content:space-between;gap:8px;text-align:left;background:#fff;
  border:1px solid var(--line);border-radius:8px;padding:8px 10px;cursor:pointer;font-size:13px}
.related-item:hover,.related-item:focus-visible{border-color:var(--blue)}
.related-item .rc-points{white-space:nowrap}
@media(max-width:560px){.related-list{grid-template-columns:1fr}}

/* Phase 3: points, wishlist, category recommendations */
.points-pill{background:#fff8e6;border:1px solid #f3d9a0;color:#7a5200;border-radius:999px;padding:4px 12px;
  font-weight:600;cursor:pointer}
.points-pill:hover{border-color:#e0b85c}
.btn-ghost.small{padding:4px 10px;font-size:12px}
.cat-tile.selected{border-color:var(--blue);box-shadow:0 0 0 2px var(--blue) inset;background:#f4f9fe}
.cat-tile:focus-visible{outline:3px solid var(--blue);outline-offset:2px}
.catalog-tools{display:flex;gap:12px;align-items:center;flex-wrap:wrap}
.afford-toggle{font-size:13px;color:var(--grey);display:flex;gap:6px;align-items:center;cursor:pointer}
.reward-card{position:relative}
.reward-card.filled{border-left-color:#c9d6e3}
.rc-reason.popular{font-style:normal}
.afford{font-size:12px;font-weight:600;margin:0}
.afford.ok,.muted.ok{color:#1e7a3c}
.afford.no,.muted.no{color:#9a5b00}
.rc-btn:disabled{background:#c9d6e3;cursor:default}
.wish-btn{position:absolute;top:8px;right:8px;background:#fff;border:1px solid var(--line);border-radius:999px;
  width:30px;height:30px;line-height:1;font-size:16px;cursor:pointer;color:#c0392b}
.wish-btn[aria-pressed="true"]{background:#fdeeee;border-color:#f1bcbc}
.wish-btn:hover,.wish-btn:focus-visible{border-color:#c0392b}
.reward-card .rc-cat{padding-right:34px}
.wish-toggle[aria-pressed="true"]{color:#c0392b;border-color:#f1bcbc;background:#fdeeee}
.list-dialog{width:min(560px,94vw);position:relative}
.prefs-group{border:1px solid var(--line);border-radius:8px;margin:10px 0;padding:6px 12px 10px}
.prefs-group legend{font-weight:600;font-size:14px;padding:0 4px}
.dialog label.check-row{display:flex;gap:8px;align-items:center;color:inherit;font-size:14px;margin:6px 0}
.dialog .check-row input,.prefs-cats input{width:auto;padding:0;margin:0}
.small-note{font-size:12px;margin:4px 0}
.prefs-cats{width:100%;border-collapse:collapse;font-size:13px}
.prefs-cats th{text-align:left;font-weight:600;color:var(--grey);padding:4px 6px}
.prefs-cats td{padding:5px 6px;border-top:1px solid var(--line)}
.prefs-cats th:not(:first-child),.prefs-cats td:not(:first-child){text-align:center;width:80px}
.prefs-range{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.dialog .prefs-range label{display:flex;gap:6px;align-items:center;margin:4px 0;color:inherit;font-size:14px}
.prefs-range input{width:110px}
.prefs-group input.invalid{border-color:#c0392b}
.points-big{font-size:22px;font-weight:700;margin:4px 0 12px}
.points-table{width:100%;border-collapse:collapse;font-size:13px}
.points-table td{padding:6px 8px;border-top:1px solid var(--line)}
.points-table td:last-child{text-align:right;font-weight:600;white-space:nowrap}
.points-table .plus{color:#1e7a3c}.points-table .minus{color:#9b2323}
.wish-list{display:flex;flex-direction:column;gap:8px}
.wish-row{display:flex;gap:8px;align-items:center}
.wish-open{flex:1;display:flex;flex-direction:column;align-items:flex-start;gap:2px;text-align:left;background:#fff;
  border:1px solid var(--line);border-radius:8px;padding:8px 10px;cursor:pointer;font-size:14px}
.wish-open:hover,.wish-open:focus-visible{border-color:var(--blue)}
.wish-open:disabled{cursor:default;opacity:.7}
.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:#1d2b3a;color:#fff;
  padding:10px 16px;border-radius:8px;font-size:14px;box-shadow:0 6px 18px rgba(0,0,0,.2);z-index:1000}

/* Phase 5: cart, checkout, orders */
.rc-btn.in-cart{background:#1e9e5a}
.cart-list{display:flex;flex-direction:column;gap:8px}
.cart-row{display:grid;grid-template-columns:1fr auto 90px auto;gap:10px;align-items:center;border:1px solid var(--line);
  border-radius:8px;padding:8px 10px;font-size:14px}
.cart-row select{padding:4px 6px;border:1px solid var(--line);border-radius:6px}
.cart-line-points{text-align:right;font-weight:600;white-space:nowrap}
.cart-summary{display:grid;grid-template-columns:1fr auto;gap:4px 12px;margin:14px 0 4px;font-size:14px}
.cart-summary dt{color:var(--grey)}.cart-summary dd{margin:0;text-align:right;font-weight:600}
.cart-summary dd.no{color:#9b2323}
.confirm-text{font-size:16px;font-weight:600}
.done-big{font-size:20px;font-weight:700;color:#1e7a3c;margin:4px 0}
.order-card{border:1px solid var(--line);border-radius:8px;padding:10px 12px;margin-bottom:10px;font-size:14px}
.order-card ul{margin:6px 0 6px 18px;padding:0}
.order-head{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.order-status{border-radius:999px;padding:1px 10px;font-size:12px;font-weight:700;border:1px solid}
.order-status.placed{background:#eef6fd;border-color:#cfe6f8;color:#0a66c2}
.order-status.fulfilled{background:#eefaf1;border-color:#bfe6c9;color:#1e6b34}
.order-status.cancelled{background:#f2f4f7;border-color:#dde2e8;color:#556070}
@media(max-width:560px){.cart-row{grid-template-columns:1fr auto;}}