/* =====================================================================
   Thiên Sứ Mobile — USER PORTAL design system
   Tông xanh 3D / glass / gradient / bóng nhiều lớp. Self-host, no CDN.
   Mọi màu đi qua biến :root — prompt sau tái dùng, KHÔNG hard-code rải rác.
   ===================================================================== */

/* ---------- 1. Tokens ------------------------------------------------ */
:root{
  /* nền & bề mặt */
  --bg:#0a1929; --bg-2:#0d2137; --bg-3:#0b1b30;
  --surface:rgba(255,255,255,.06);
  --surface-2:rgba(255,255,255,.09);
  --surface-solid:#0f2540;
  --border:rgba(255,255,255,.10);
  --border-strong:rgba(255,255,255,.18);

  /* thương hiệu */
  --primary:#1fb6ff; --primary-2:#0a84ff; --accent:#38e1c9; --gold:#ffcf5c;
  --primary-ink:#04263f;

  /* chữ */
  --text:#eaf4ff; --muted:#9fb6cf; --muted-2:#6f8aa8;

  /* trạng thái */
  --ok:#3ddc84; --warn:#ffb020; --danger:#ff5470; --info:#1fb6ff;

  /* hình học */
  --radius:16px; --radius-sm:11px; --radius-lg:22px; --radius-pill:999px;
  --gap:16px;

  /* đổ bóng nhiều lớp -> chiều sâu 3D */
  --shadow-1:0 2px 8px rgba(0,0,0,.35);
  --shadow-2:0 10px 30px rgba(4,14,28,.5);
  --shadow-3:0 18px 50px rgba(6,20,40,.55), 0 2px 0 rgba(255,255,255,.06) inset;
  --glow:0 0 24px rgba(31,182,255,.45);
  --glow-gold:0 0 22px rgba(255,207,92,.4);

  /* gradient dùng lại */
  --grad-primary:linear-gradient(135deg,#1fb6ff 0%,#0a84ff 100%);
  --grad-accent:linear-gradient(135deg,#38e1c9 0%,#1fb6ff 100%);
  --grad-gold:linear-gradient(135deg,#ffe08a 0%,#ffbf3f 100%);
  --grad-surface:linear-gradient(160deg,rgba(255,255,255,.09),rgba(255,255,255,.02));

  /* chuyển động */
  --ease:cubic-bezier(.22,.61,.36,1);
  --ease-out:cubic-bezier(.16,1,.3,1);
  --t-fast:.16s; --t:.28s; --t-slow:.5s;

  /* layout */
  --header-h:64px; --bottomnav-h:64px; --maxw:1120px;
  --z-header:40; --z-nav:45; --z-modal:70; --z-toast:80;
}

/* Light theme: bật khi hệ thống sáng HOẶC người dùng chọn data-theme=light */
:root[data-theme="light"]{
  --bg:#eef5fc; --bg-2:#e3eefb; --bg-3:#dfeaf8;
  --surface:rgba(255,255,255,.72);
  --surface-2:rgba(255,255,255,.9);
  --surface-solid:#ffffff;
  --border:rgba(12,44,80,.12);
  --border-strong:rgba(12,44,80,.22);
  --text:#0c2748; --muted:#4a6b90; --muted-2:#6b86a8;
  --shadow-2:0 10px 30px rgba(30,70,120,.16);
  --shadow-3:0 18px 50px rgba(30,70,120,.18), 0 1px 0 rgba(255,255,255,.9) inset;
  --grad-surface:linear-gradient(160deg,rgba(255,255,255,.95),rgba(238,245,252,.7));
}
@media (prefers-color-scheme: light){
  :root:not([data-theme="dark"]){
    --bg:#eef5fc; --bg-2:#e3eefb; --bg-3:#dfeaf8;
    --surface:rgba(255,255,255,.72);
    --surface-2:rgba(255,255,255,.9);
    --surface-solid:#ffffff;
    --border:rgba(12,44,80,.12);
    --border-strong:rgba(12,44,80,.22);
    --text:#0c2748; --muted:#4a6b90; --muted-2:#6b86a8;
    --shadow-2:0 10px 30px rgba(30,70,120,.16);
    --shadow-3:0 18px 50px rgba(30,70,120,.18), 0 1px 0 rgba(255,255,255,.9) inset;
    --grad-surface:linear-gradient(160deg,rgba(255,255,255,.95),rgba(238,245,252,.7));
  }
}

/* ---------- 2. Reset / base ----------------------------------------- */
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0; min-height:100vh; color:var(--text);
  font-family:"Segoe UI",system-ui,-apple-system,"Helvetica Neue",Arial,"Noto Sans",sans-serif;
  font-size:15px; line-height:1.55; letter-spacing:.1px;
  background:var(--bg);
  background-image:
    radial-gradient(1100px 600px at 12% -8%, rgba(31,182,255,.20), transparent 60%),
    radial-gradient(900px 520px at 105% 0%, rgba(56,225,201,.16), transparent 55%),
    radial-gradient(700px 500px at 50% 120%, rgba(10,132,255,.16), transparent 60%),
    linear-gradient(180deg,var(--bg) 0%,var(--bg-2) 55%,var(--bg-3) 100%);
  background-attachment:fixed;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--primary);text-decoration:none}
a:hover{color:var(--accent)}
h1,h2,h3,h4{margin:0 0 .4em;line-height:1.2;font-weight:700}
p{margin:0 0 1em}
button{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}

/* ---------- 3. Layout shell ----------------------------------------- */
.shell{display:flex;flex-direction:column;min-height:100vh}
.container{width:100%;max-width:var(--maxw);margin-inline:auto;padding-inline:clamp(14px,4vw,28px)}
main.page{flex:1 0 auto;padding-block:22px calc(var(--bottomnav-h) + 28px)}
@media (min-width:860px){ main.page{padding-block:30px 44px} }
.section{margin-bottom:26px}
.section-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}
.section-head h2{font-size:1.15rem;margin:0}
.grid{display:grid;gap:var(--gap)}
.grid-tiles{grid-template-columns:repeat(auto-fill,minmax(150px,1fr))}
.grid-cards{grid-template-columns:repeat(auto-fill,minmax(240px,1fr))}
.row{display:flex;gap:var(--gap);flex-wrap:wrap}
.spacer{flex:1}

/* ---------- 4. Header ----------------------------------------------- */
.app-header{
  position:sticky;top:0;z-index:var(--z-header);
  height:var(--header-h);
  display:flex;align-items:center;gap:12px;
  padding-inline:clamp(12px,4vw,26px);
  background:linear-gradient(180deg,rgba(9,22,40,.86),rgba(9,22,40,.62));
  -webkit-backdrop-filter:saturate(160%) blur(14px);
  backdrop-filter:saturate(160%) blur(14px);
  border-bottom:1px solid var(--border);
  box-shadow:var(--shadow-1);
}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--text)}
.brand .logo{width:34px;height:34px;filter:drop-shadow(0 3px 8px rgba(31,182,255,.5))}
.brand .brand-name{font-size:1.02rem;letter-spacing:.3px;white-space:nowrap}
@media (max-width:400px){ .brand .brand-name{display:none} }

/* segmented language switch */
.seg{display:inline-flex;background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius-pill);padding:3px;gap:2px}
.seg a{padding:5px 11px;border-radius:var(--radius-pill);font-size:.8rem;font-weight:700;
  color:var(--muted);line-height:1;transition:var(--t-fast)}
.seg a.on{background:var(--grad-primary);color:#fff;box-shadow:var(--glow)}
.seg a:hover:not(.on){color:var(--text)}

.icon-btn{width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;background:var(--surface);border:1px solid var(--border);
  color:var(--text);cursor:pointer;transition:var(--t-fast)}
.icon-btn:hover{background:var(--surface-2);transform:translateY(-1px)}
.icon-btn svg{width:20px;height:20px}

.user-chip{display:inline-flex;align-items:center;gap:8px;padding:5px 12px 5px 6px;
  border-radius:var(--radius-pill);background:var(--surface);border:1px solid var(--border);
  max-width:190px}
.avatar{width:30px;height:30px;border-radius:50%;display:grid;place-items:center;
  background:var(--grad-primary);color:#fff;font-weight:800;font-size:.85rem;flex:none;
  box-shadow:var(--glow)}
.user-chip .uname{font-size:.86rem;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- 5. Buttons ---------------------------------------------- */
.btn{position:relative;display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 18px;border:1px solid transparent;border-radius:var(--radius-sm);
  font-weight:700;font-size:.94rem;cursor:pointer;user-select:none;white-space:nowrap;
  transition:transform var(--t-fast) var(--ease),box-shadow var(--t) var(--ease),background var(--t);
  will-change:transform}
.btn svg{width:18px;height:18px}
.btn:active{transform:translateY(1px) scale(.99)}
.btn:disabled,.btn.is-loading{cursor:not-allowed;opacity:.75}
.btn-primary{background:var(--grad-primary);color:#fff;box-shadow:var(--shadow-1),0 6px 18px rgba(10,132,255,.35)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--shadow-2),var(--glow)}
.btn-gold{background:var(--grad-gold);color:#3a2c00;box-shadow:var(--shadow-1),0 6px 18px rgba(255,191,63,.35)}
.btn-gold:hover{transform:translateY(-2px);box-shadow:var(--shadow-2),var(--glow-gold)}
.btn-ghost{background:var(--surface);color:var(--text);border-color:var(--border)}
.btn-ghost:hover{background:var(--surface-2);transform:translateY(-2px)}
.btn-block{width:100%}
.btn-lg{min-height:52px;font-size:1rem;padding:0 26px}
.btn-sm{min-height:36px;padding:0 13px;font-size:.85rem;border-radius:9px}

/* spinner cho trạng thái loading */
.btn .spin{position:absolute;width:18px;height:18px;border-radius:50%;
  border:2px solid rgba(255,255,255,.4);border-top-color:#fff;opacity:0;animation:spin .7s linear infinite}
.btn.is-loading .spin{opacity:1}
.btn.is-loading .btn-label{opacity:0}
@keyframes spin{to{transform:rotate(360deg)}}

/* ---------- 6. Card 3D / glass -------------------------------------- */
.card{position:relative;background:var(--grad-surface);border:1px solid var(--border);
  border-radius:var(--radius);padding:18px;box-shadow:var(--shadow-3);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);overflow:hidden}
.card::before{content:"";position:absolute;inset:0 0 auto 0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.35),transparent);opacity:.7}
.card-hoverable{transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease),border-color var(--t);
  will-change:transform}
.card-hoverable:hover{transform:translateY(-6px);border-color:var(--border-strong);
  box-shadow:var(--shadow-3),var(--glow)}
.card-title{font-size:1.02rem;margin-bottom:10px}

/* Shortcut tile — lối tắt module ở landing, nổi bật */
.tile{display:flex;flex-direction:column;gap:10px;align-items:flex-start;
  padding:18px 16px;min-height:118px;text-decoration:none;color:var(--text)}
.tile .tile-ic{width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  background:var(--grad-primary);box-shadow:var(--glow);color:#fff}
.tile .tile-ic.g{background:var(--grad-gold);box-shadow:var(--glow-gold);color:#3a2c00}
.tile .tile-ic.a{background:var(--grad-accent)}
.tile .tile-ic svg{width:24px;height:24px}
.tile .tile-name{font-weight:700}
.tile .tile-sub{font-size:.8rem;color:var(--muted)}
.tile:hover .tile-ic{transform:translateY(-2px) rotate(-4deg);transition:var(--t) var(--ease)}

/* ---------- 7. Stat tile (số liệu lớn) ------------------------------ */
.stat{display:flex;flex-direction:column;gap:6px;padding:18px}
.stat .stat-top{display:flex;align-items:center;gap:10px;color:var(--muted);font-size:.82rem}
.stat .stat-ic{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:var(--surface-2);color:var(--primary)}
.stat .stat-ic svg{width:18px;height:18px}
.stat .stat-val{font-size:1.9rem;font-weight:800;letter-spacing:.5px;
  background:var(--grad-accent);-webkit-background-clip:text;background-clip:text;color:transparent}
.stat .stat-val.gold{background:var(--grad-gold);-webkit-background-clip:text;background-clip:text}
.stat .stat-sub{font-size:.78rem;color:var(--muted-2)}

/* ---------- 8. Hero ------------------------------------------------- */
.hero{position:relative;padding:30px 22px;border-radius:var(--radius-lg);overflow:hidden;
  background:
    radial-gradient(600px 300px at 88% -10%, rgba(56,225,201,.28), transparent 60%),
    linear-gradient(135deg,rgba(10,132,255,.35),rgba(9,22,40,.2)),var(--grad-surface);
  border:1px solid var(--border-strong);box-shadow:var(--shadow-3)}
.hero::after{content:"";position:absolute;width:260px;height:260px;right:-60px;top:-80px;
  background:var(--grad-primary);filter:blur(70px);opacity:.35;border-radius:50%}
.hero h1{font-size:clamp(1.5rem,5vw,2.3rem);position:relative}
.hero p{color:var(--muted);max-width:56ch;position:relative;margin-bottom:18px}
.hero .hero-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative}

/* ---------- 9. Auth / login card ------------------------------------ */
.auth-wrap{min-height:calc(100vh - var(--header-h));display:grid;place-items:center;padding:26px 0 calc(var(--bottomnav-h) + 20px)}
.auth-card{width:100%;max-width:420px;padding:26px 24px 24px;perspective:1000px}
.auth-card .card{padding:26px 24px}
.auth-logo{width:58px;height:58px;margin:0 auto 12px;filter:drop-shadow(0 6px 16px rgba(31,182,255,.5))}
.auth-title{text-align:center;font-size:1.35rem}
.auth-sub{text-align:center;color:var(--muted);font-size:.86rem;margin-bottom:20px}
.field{margin-bottom:14px}
.field label{display:block;font-size:.8rem;color:var(--muted);margin-bottom:6px;font-weight:600}
.input{display:flex;align-items:center;gap:9px;background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius-sm);padding:0 12px;transition:var(--t-fast)}
.input:focus-within{border-color:var(--primary);box-shadow:var(--glow)}
.input svg{width:18px;height:18px;color:var(--muted);flex:none}
.input input{flex:1;background:none;border:0;outline:0;color:var(--text);min-height:46px;font-size:.95rem}
.input input::placeholder{color:var(--muted-2)}
.divider{display:flex;align-items:center;gap:12px;color:var(--muted-2);font-size:.78rem;margin:18px 0}
.divider::before,.divider::after{content:"";flex:1;height:1px;background:var(--border)}
.social-row{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.social-btn{display:flex;align-items:center;justify-content:center;gap:8px;min-height:46px;
  border-radius:var(--radius-sm);background:var(--surface);border:1px solid var(--border);
  color:var(--text);font-weight:600;cursor:pointer;transition:var(--t-fast)}
.social-btn:hover{background:var(--surface-2);transform:translateY(-2px);box-shadow:var(--shadow-1)}
.social-btn svg{width:20px;height:20px}
.store-row{display:flex;gap:12px;justify-content:center;margin-top:18px}
.store-btn{display:inline-flex;align-items:center;gap:10px;padding:11px 17px;border-radius:14px;
  background:linear-gradient(160deg,#173252,#0a1a30);border:1px solid var(--border-strong);
  color:#eaf4ff;box-shadow:var(--shadow-2),0 0 0 1px rgba(255,255,255,.04) inset;transition:var(--t-fast)}
.store-btn:hover{transform:translateY(-2px);border-color:var(--holy);
  box-shadow:var(--shadow-2),0 0 22px rgba(255,214,130,.4)}
.store-btn svg{width:26px;height:26px;flex:none;color:var(--gold)}
.store-btn .store-cap{font-size:.68rem;color:#9fb6cf;line-height:1.1}
.store-btn .store-name{font-weight:800;font-size:.94rem;color:#fff}

/* ---------- 10. Nav (mobile bottom-tab + desktop) ------------------- */
.tabnav{position:fixed;left:0;right:0;bottom:0;z-index:var(--z-nav);
  height:var(--bottomnav-h);display:flex;justify-content:space-around;align-items:stretch;
  padding:6px max(8px,env(safe-area-inset-left)) calc(6px + env(safe-area-inset-bottom));
  background:linear-gradient(0deg,rgba(9,22,40,.96),rgba(9,22,40,.8));
  -webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);
  border-top:1px solid var(--border);box-shadow:0 -8px 30px rgba(4,14,28,.5)}
.tabnav a{flex:1 1 0;min-width:0;min-height:44px;display:flex;flex-direction:column;align-items:center;
  justify-content:flex-start;padding-top:8px;gap:4px;color:var(--muted);font-size:.66rem;font-weight:600;
  line-height:1.05;border-radius:12px;transition:var(--t-fast);position:relative}
/* icon luôn ở đỉnh cell -> mọi tab thẳng hàng dù nhãn 1 hay 2 dòng */
.tabnav a svg{width:22px;height:22px;flex:none;transition:var(--t-fast)}
/* nhãn: căn giữa, kẹp tối đa 2 dòng để mọi tab đều nhau */
.tabnav a span{width:100%;text-align:center;line-height:1.05;overflow:hidden;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;word-break:break-word}
.tabnav a.active{color:var(--primary)}
.tabnav a.active svg{transform:translateY(-2px) scale(1.08);filter:drop-shadow(0 4px 10px rgba(31,182,255,.6))}
.tabnav a.active::before{content:"";position:absolute;top:4px;width:26px;height:3px;border-radius:3px;
  background:var(--grad-primary);box-shadow:var(--glow)}
.tabnav a:hover{color:var(--text)}

/* desktop: chuyển bottom-tab thành thanh ngang trong header-area */
@media (min-width:860px){
  .tabnav{position:sticky;top:var(--header-h);bottom:auto;height:auto;justify-content:center;gap:6px;
    padding:8px 12px;background:linear-gradient(180deg,rgba(9,22,40,.6),transparent);
    border-top:0;box-shadow:none;flex-wrap:wrap}
  .tabnav a{flex:0 0 auto;flex-direction:row;gap:8px;font-size:.86rem;padding:8px 15px;min-height:40px}
  .tabnav a svg{width:18px;height:18px}
  .tabnav a.active{background:var(--surface);border:1px solid var(--border)}
  .tabnav a.active::before{display:none}
  .tabnav a.active svg{transform:none}
  main.page{padding-bottom:44px}
}

/* ---------- 11. Footer ---------------------------------------------- */
.app-footer{flex:none;margin-top:auto;padding:26px 0 calc(var(--bottomnav-h) + 26px);
  border-top:1px solid var(--border);color:var(--muted);font-size:.84rem}
@media (min-width:860px){ .app-footer{padding-bottom:30px} }
.app-footer .foot-grid{display:flex;flex-wrap:wrap;gap:18px;align-items:center;justify-content:space-between}
.app-footer .dl-row{display:flex;gap:10px;flex-wrap:wrap}
.app-footer a{color:var(--muted)}
.app-footer a:hover{color:var(--primary)}

/* ---------- 12. Empty state / skeleton ------------------------------ */
.empty{display:flex;flex-direction:column;align-items:center;text-align:center;gap:10px;
  padding:40px 20px;color:var(--muted)}
.empty .empty-ic{width:74px;height:74px;border-radius:50%;display:grid;place-items:center;
  background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow-1)}
.empty .empty-ic svg{width:34px;height:34px;color:var(--muted-2)}
.empty h3{color:var(--text);margin:0}

.skeleton{position:relative;overflow:hidden;background:var(--surface);border-radius:10px}
.skeleton::after{content:"";position:absolute;inset:0;transform:translateX(-100%);
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.12),transparent);
  animation:sk 1.3s infinite}
.sk-line{height:12px;margin:8px 0;border-radius:6px}
.sk-line.w-60{width:60%}.sk-line.w-40{width:40%}.sk-line.w-80{width:80%}
@keyframes sk{100%{transform:translateX(100%)}}

/* ---------- 13. Badge / pill ---------------------------------------- */
.badge{display:inline-flex;align-items:center;gap:5px;padding:3px 10px;border-radius:var(--radius-pill);
  font-size:.74rem;font-weight:700;background:var(--surface);border:1px solid var(--border);color:var(--muted)}
.badge.ok{color:var(--ok);border-color:rgba(61,220,132,.4)}
.badge.gold{color:var(--gold);border-color:rgba(255,207,92,.4)}
.badge.info{color:var(--info);border-color:rgba(31,182,255,.4)}

/* ---------- 14. Modal ----------------------------------------------- */
.modal-back{position:fixed;inset:0;z-index:var(--z-modal);display:flex;align-items:center;justify-content:center;
  padding:20px;background:rgba(4,12,24,.6);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);
  opacity:0;pointer-events:none;transition:opacity var(--t) var(--ease)}
.modal-back.open{opacity:1;pointer-events:auto}
.modal{width:100%;max-width:420px;background:var(--surface-solid);border:1px solid var(--border-strong);
  border-radius:var(--radius-lg);box-shadow:var(--shadow-3);padding:22px;
  transform:translateY(18px) scale(.96);transition:transform var(--t) var(--ease-out)}
.modal-back.open .modal{transform:none}
.modal h3{margin-bottom:8px}
.modal .modal-msg{color:var(--muted);margin-bottom:18px}
.modal .modal-actions{display:flex;gap:10px;justify-content:flex-end}

/* ---------- 15. Toast ----------------------------------------------- */
.toast-wrap{position:fixed;left:50%;bottom:calc(var(--bottomnav-h) + 16px);transform:translateX(-50%);
  z-index:var(--z-toast);display:flex;flex-direction:column;gap:10px;width:min(92vw,380px)}
@media (min-width:860px){ .toast-wrap{bottom:22px;left:auto;right:22px;transform:none} }
.toast{display:flex;align-items:center;gap:10px;padding:12px 14px;border-radius:12px;
  background:var(--surface-solid);border:1px solid var(--border-strong);box-shadow:var(--shadow-3);
  color:var(--text);font-size:.9rem;
  transform:translateY(14px);opacity:0;transition:transform var(--t) var(--ease-out),opacity var(--t)}
.toast.show{transform:none;opacity:1}
.toast .t-ic{width:26px;height:26px;border-radius:8px;display:grid;place-items:center;flex:none;color:#fff}
.toast .t-ic svg{width:16px;height:16px}
.toast.ok .t-ic{background:var(--ok)}
.toast.error .t-ic{background:var(--danger)}
.toast.warn .t-ic{background:var(--warn)}
.toast.info .t-ic{background:var(--primary)}

/* ---------- 16. Flash (server-side) --------------------------------- */
.flash{display:flex;align-items:center;gap:10px;padding:11px 14px;border-radius:12px;margin-bottom:14px;
  background:var(--surface);border:1px solid var(--border);font-size:.9rem}
.flash.ok{border-color:rgba(61,220,132,.5)}
.flash.error{border-color:rgba(255,84,112,.5)}
.flash.warn{border-color:rgba(255,176,32,.5)}

/* ---------- 17. Error pages ----------------------------------------- */
.err-page{min-height:calc(100vh - var(--header-h) - var(--bottomnav-h));
  display:grid;place-items:center;text-align:center;padding:30px}
.err-code{font-size:clamp(4.5rem,22vw,8rem);font-weight:900;line-height:1;
  background:var(--grad-primary);-webkit-background-clip:text;background-clip:text;color:transparent;
  filter:drop-shadow(0 10px 30px rgba(31,182,255,.4))}
.err-page h2{margin:8px 0 6px}
.err-page p{color:var(--muted);max-width:44ch;margin-inline:auto}

/* ---------- 18. Utilities ------------------------------------------- */
.text-muted{color:var(--muted)}
.text-center{text-align:center}
.mt-0{margin-top:0}.mb-0{margin-bottom:0}
.mt-2{margin-top:12px}.mt-3{margin-top:18px}
.hide-mobile{display:none}
@media (min-width:860px){ .hide-mobile{display:initial} .hide-desktop{display:none} }

/* ---------- 19. Page transition ------------------------------------- */
.page-fade{animation:pageIn var(--t) var(--ease-out) both}
@keyframes pageIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
body.is-leaving main.page{opacity:0;transform:translateY(-6px);transition:opacity var(--t-fast),transform var(--t-fast)}

/* stagger nhẹ cho lưới lối tắt */
.stagger>*{animation:pageIn .45s var(--ease-out) both}
.stagger>*:nth-child(2){animation-delay:.05s}
.stagger>*:nth-child(3){animation-delay:.1s}
.stagger>*:nth-child(4){animation-delay:.15s}
.stagger>*:nth-child(5){animation-delay:.2s}
.stagger>*:nth-child(6){animation-delay:.25s}
.stagger>*:nth-child(7){animation-delay:.3s}
.stagger>*:nth-child(8){animation-delay:.35s}

/* ---------- 20. Reduced motion -------------------------------------- */
@media (prefers-reduced-motion: reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;
    transition-duration:.001ms !important;scroll-behavior:auto !important}
  .card-hoverable:hover,.btn:hover,.tile:hover .tile-ic{transform:none}
}

/* ---------- Guest / auth mode: ẩn chrome, gọn cho mobile ------------- */
body.guest main.page{ padding-block:0; }              /* không còn bottom-nav -> bỏ đệm thừa */
body.guest .auth-wrap{ padding:20px 0 26px; }
/* Trên mobile, login chiếm gọn màn, card không dính sát mép */
@media (max-width:520px){
  body.guest .auth-card{ max-width:100%; padding-inline:8px; }
  body.guest .app-header{ height:56px; }
}

/* =====================================================================
   PROMPT 11 — RE-SKIN TÔNG THIÊN THẦN / HÀO QUANG (angelic / holy light)
   Chỉ MỞ RỘNG lớp trình bày. Xanh sâu giữ nguyên, thêm sắc vàng hào quang,
   tia sáng thánh (god-rays), hạt sáng bay, key-visual thiên thần.
   Nhẹ cho mobile (chỉ transform/opacity), tôn trọng reduced-motion.
   ===================================================================== */

/* ---------- R1. Token hào quang + font display ---------------------- */
:root{
  --holy:#ffe9b0;                       /* vàng hào quang (điểm nhấn thánh) */
  --halo:rgba(255,220,140,.55);         /* quầng sáng đậm */
  --halo-soft:rgba(255,226,150,.22);    /* quầng sáng mờ (nền) */
  --grad-holy:linear-gradient(135deg,#fff6d9 0%,#ffe09a 48%,#f4b64a 100%);
  --glow-holy:0 0 26px rgba(255,222,150,.5);
  --font-display:"JDHT","Segoe UI",system-ui,-apple-system,"Noto Sans",sans-serif;
}
:root[data-theme="light"]{
  --halo:rgba(214,150,40,.4);
  --halo-soft:rgba(226,170,70,.16);
}
@media (prefers-color-scheme: light){
  :root:not([data-theme="dark"]){
    --halo:rgba(214,150,40,.4);
    --halo-soft:rgba(226,170,70,.16);
  }
}

/* Font tiêu đề game (self-host). fnt_jdht phủ ĐỦ dấu tiếng Việt — kiểm ok.
   (Chỉ 3 glyph có watermark: — – · → tránh dùng trong text dùng font này.) */
@font-face{
  font-family:"JDHT";
  src:url("../fonts/jdht.ttf") format("truetype");
  font-weight:normal;
  font-style:normal;
  font-display:swap;
}
.brand .brand-name,
.hero h1,.auth-title,.dash-name,
.section-head h2,.card-title,
.stat .stat-val{
  font-family:var(--font-display);
  letter-spacing:.4px;
  font-synthesis:none;  /* font tĩnh: CẤM giả đậm/nghiêng -> chữ nét, hết nhòe */
}
.hero h1,.auth-title,.dash-name{font-weight:normal;letter-spacing:.6px}

/* ---------- R2. Nền thánh: god-rays + hạt sáng bay + vignette ------- */
.sky-fx{position:fixed;inset:0;z-index:-1;pointer-events:none;overflow:hidden;contain:strict}
/* quầng "mặt trời thánh" trên đỉnh */
.sky-fx::before{content:"";position:absolute;left:50%;top:-18%;width:min(92vw,900px);height:62vh;
  transform:translateX(-50%);
  background:radial-gradient(ellipse at center,var(--halo-soft),transparent 62%);
  opacity:.9}
/* vignette đáy để chân trang & nav nổi */
.sky-fx::after{content:"";position:absolute;inset:0;
  background:radial-gradient(140% 80% at 50% 116%,rgba(3,10,22,.55),transparent 60%)}
/* tia sáng chéo (tĩnh — GPU rẻ) */
.sky-fx .rays{position:absolute;inset:-10%;
  background:repeating-linear-gradient(104deg,
    transparent 0 32px, rgba(255,236,192,.045) 32px 34px, transparent 34px 74px);
  -webkit-mask:radial-gradient(120% 92% at 66% -10%,#000 0%,transparent 66%);
  mask:radial-gradient(120% 92% at 66% -10%,#000 0%,transparent 66%)}
:root[data-theme="light"] .sky-fx .rays{background:repeating-linear-gradient(104deg,
  transparent 0 32px, rgba(255,200,90,.06) 32px 34px, transparent 34px 74px)}

/* hạt sáng bay (motes) — vài chục hạt, chỉ transform/opacity */
.sky-fx .motes span{position:absolute;bottom:-14px;width:5px;height:5px;border-radius:50%;
  background:radial-gradient(circle,#fff7de 0%,rgba(255,222,150,.55) 45%,transparent 72%);
  opacity:0;will-change:transform,opacity;
  animation:mote 18s linear infinite}
@keyframes mote{
  0%{transform:translateY(0) scale(.5);opacity:0}
  12%{opacity:.85}
  85%{opacity:.6}
  100%{transform:translateY(-112vh) scale(1);opacity:0}
}
.sky-fx .motes span:nth-child(1){left:6%;animation-duration:19s;animation-delay:-2s;width:4px;height:4px}
.sky-fx .motes span:nth-child(2){left:14%;animation-duration:24s;animation-delay:-9s}
.sky-fx .motes span:nth-child(3){left:22%;animation-duration:16s;animation-delay:-5s;width:3px;height:3px}
.sky-fx .motes span:nth-child(4){left:30%;animation-duration:27s;animation-delay:-14s}
.sky-fx .motes span:nth-child(5){left:38%;animation-duration:21s;animation-delay:-3s;width:6px;height:6px}
.sky-fx .motes span:nth-child(6){left:46%;animation-duration:18s;animation-delay:-11s;width:3px;height:3px}
.sky-fx .motes span:nth-child(7){left:54%;animation-duration:25s;animation-delay:-7s}
.sky-fx .motes span:nth-child(8){left:62%;animation-duration:20s;animation-delay:-16s;width:4px;height:4px}
.sky-fx .motes span:nth-child(9){left:70%;animation-duration:23s;animation-delay:-4s;width:5px;height:5px}
.sky-fx .motes span:nth-child(10){left:78%;animation-duration:17s;animation-delay:-12s;width:3px;height:3px}
.sky-fx .motes span:nth-child(11){left:86%;animation-duration:26s;animation-delay:-6s}
.sky-fx .motes span:nth-child(12){left:92%;animation-duration:22s;animation-delay:-18s;width:4px;height:4px}
.sky-fx .motes span:nth-child(13){left:10%;animation-duration:28s;animation-delay:-20s;width:3px;height:3px}
.sky-fx .motes span:nth-child(14){left:50%;animation-duration:19s;animation-delay:-22s;width:5px;height:5px}
.sky-fx .motes span:nth-child(15){left:66%;animation-duration:24s;animation-delay:-1s;width:3px;height:3px}
.sky-fx .motes span:nth-child(16){left:34%;animation-duration:21s;animation-delay:-15s;width:4px;height:4px}
/* mobile: giảm bớt hạt cho nhẹ */
@media (max-width:640px){ .sky-fx .motes span:nth-child(n+11){display:none} }

/* ---------- R3. Chi tiết thánh: viền kim + hào quang panel ---------- */
/* hairline vàng mảnh trên đỉnh hero/auth/stat */
.hero::before,.stat::before{content:"";position:absolute;inset:0 0 auto 0;height:1px;z-index:2;
  background:linear-gradient(90deg,transparent,var(--halo),transparent);opacity:.8}
.card-hoverable:hover{box-shadow:var(--shadow-3),0 0 30px var(--halo-soft);
  border-color:var(--halo)}
/* nút primary/gold: vệt sáng quét khi hover/nhấn */
.btn-primary,.btn-gold{overflow:hidden}
.btn-primary::after,.btn-gold::after{content:"";position:absolute;top:0;left:-70%;width:45%;height:100%;
  transform:skewX(-18deg);pointer-events:none;opacity:0;
  background:linear-gradient(100deg,transparent,rgba(255,255,255,.55),transparent)}
.btn-primary:hover::after,.btn-gold:hover::after{animation:btnShine .7s var(--ease)}
@keyframes btnShine{0%{left:-70%;opacity:0}18%{opacity:.9}100%{left:135%;opacity:0}}
/* nút vàng lấy tông hào quang */
.btn-gold{background:var(--grad-holy)}

/* ---------- R4. Emblem (cánh + hào quang) -------------------------- */
.emblem{display:block;height:auto;filter:drop-shadow(0 3px 10px rgba(255,214,130,.35))}
.brand .emblem{width:118px;margin:0}
@media (max-width:400px){ .brand .emblem{width:96px} }

/* ---------- R5. Key-visual hero (home) ----------------------------- */
.hero.kv{
  min-height:clamp(220px,42dvh,340px);
  display:flex;flex-direction:column;justify-content:flex-end;gap:14px;
  padding:22px 20px;border-color:var(--border-strong);
  background-image:
    linear-gradient(180deg,rgba(6,14,28,.12) 0%,rgba(6,14,28,.55) 62%,rgba(6,14,28,.9) 100%),
    url("../img/hero-m.jpg");
  background-size:cover;
  background-position:28% 24%;      /* giữ thiên thần + hào quang, không cắt mặt */
}
@media (min-width:720px){
  .hero.kv{min-height:300px;background-position:26% 30%;
    background-image:
      linear-gradient(115deg,rgba(6,14,28,.72) 0%,rgba(6,14,28,.25) 46%,transparent 72%),
      url("../img/hero.jpg");}
}
.hero.kv::after{content:"";position:absolute;right:-70px;top:-90px;width:240px;height:240px;
  background:radial-gradient(circle,var(--halo-soft),transparent 68%);filter:blur(30px)}
.hero.kv .kv-inner{position:relative;z-index:2;display:flex;flex-direction:column;gap:12px}
.hero.kv .dash-hero-row{align-items:flex-end}
.hero.kv .dash-hello{color:#dfeafc;text-shadow:0 1px 6px rgba(0,0,0,.6)}
.hero.kv .dash-name{color:#fff;text-shadow:0 2px 12px rgba(0,0,0,.65)}
.hero.kv .dash-avatar{box-shadow:var(--glow),0 0 0 2px rgba(255,233,176,.5)}

/* ---------- R6. Auth (login) key-visual thiên thần ----------------- */
.auth-holy{position:relative;isolation:isolate}
/* Nền ảnh phủ FULL viewport (fixed -> thoát khỏi .container 1120px, full màn cả desktop) */
.auth-sky{position:fixed;inset:0;z-index:-1;pointer-events:none;
  background-image:
    linear-gradient(180deg,rgba(6,14,28,.55),rgba(6,14,28,.82)),
    url("../img/hero-m.jpg");
  background-size:cover;background-position:30% 22%}
.auth-sky::after{content:"";position:absolute;inset:0;
  -webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}
@media (min-width:720px){
  .auth-sky{background-image:
    linear-gradient(105deg,rgba(6,14,28,.7),rgba(6,14,28,.4) 60%,rgba(6,14,28,.72)),
    url("../img/hero.jpg");background-position:24% 28%}
  .auth-sky::after{-webkit-backdrop-filter:none;backdrop-filter:none}
}
.auth-emblem{display:block;width:200px;max-width:70%;height:auto;margin:0 auto 10px;
  filter:drop-shadow(0 4px 16px rgba(255,214,130,.45))}
.auth-stage{display:flex;align-items:center;justify-content:center;gap:34px;
  width:100%;max-width:900px;margin-inline:auto}
.auth-portrait{flex:1;max-width:360px;display:none;text-align:center}
/* bỏ viền/khung: ảnh PNG trong suốt -> drop-shadow ôm theo hình (glow), không ô vuông */
.auth-portrait img{width:100%;border:0;border-radius:0;background:none;
  filter:drop-shadow(0 14px 30px rgba(0,0,0,.55)) drop-shadow(0 0 26px var(--halo-soft))}
.auth-portrait .pt-tag{margin-top:16px;font-family:var(--font-display);font-size:1.15rem;
  font-weight:800;letter-spacing:.5px;color:var(--holy);text-shadow:0 2px 10px rgba(0,0,0,.5)}
.auth-portrait .pt-sub{color:#cddcf0;font-size:.9rem;max-width:32ch;margin:6px auto 0;
  text-shadow:0 1px 6px rgba(0,0,0,.55)}
@media (min-width:900px){
  .auth-portrait{display:block}
  .auth-holy .auth-card{margin:0}
}
/* R8b. Card login NỀN ĐẶC -> chữ nét, hết mờ (kính trong suốt đè ảnh hero gây khó đọc) */
.auth-card .card{
  background:linear-gradient(160deg,rgba(14,34,58,.96),rgba(8,19,36,.99));
  border-color:var(--border-strong);
  -webkit-backdrop-filter:none;backdrop-filter:none;  /* card đã đặc -> bỏ blur để chữ NÉT (backdrop-filter làm chữ mềm) */
  box-shadow:var(--shadow-3),0 0 0 1px rgba(255,255,255,.05) inset;
}
.auth-sub{color:#c3d4ea}
.auth-card .field label{color:#c3d4ea}
.auth-card .input{background:rgba(255,255,255,.07);border-color:var(--border-strong)}
.auth-card .input input{color:#f2f8ff}
.auth-card .input input::placeholder{color:#93a9c6}
:root[data-theme="light"] .auth-card .card{
  background:linear-gradient(160deg,rgba(14,34,58,.92),rgba(8,19,36,.96));
}
:root[data-theme="light"] .auth-card .input input{color:#f2f8ff}

/* ---------- R7. Footer giàu (tải game + cộng đồng) ----------------- */
.app-footer.foot-rich{background:linear-gradient(180deg,transparent,rgba(4,12,26,.45))}
.foot-rich .foot-main{display:grid;gap:22px;grid-template-columns:1fr;
  padding-block:6px 20px;border-bottom:1px solid var(--border);margin-bottom:16px}
@media (min-width:760px){ .foot-rich .foot-main{grid-template-columns:1.4fr 1fr 1fr} }
.foot-rich .foot-brand .fb-row{display:flex;align-items:center;gap:10px;margin-bottom:8px}
.foot-rich .foot-brand .emblem{width:120px}
.foot-rich .foot-brand p{max-width:40ch;margin:0}
.foot-rich .foot-dl h4,.foot-rich .foot-comm h4{font-size:.8rem;text-transform:uppercase;
  letter-spacing:.8px;color:var(--muted-2);margin:0 0 10px}
.foot-rich .foot-dl .dl-row{flex-direction:column;gap:10px}
.foot-rich .foot-dl .store-btn{border-color:var(--halo);background:var(--surface-2)}
.foot-rich .comm-row{display:flex;gap:10px;flex-wrap:wrap}
.foot-rich .comm-btn{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  background:var(--surface);border:1px solid var(--border);color:var(--muted);transition:var(--t-fast)}
.foot-rich .comm-btn:hover{color:var(--holy);border-color:var(--halo);transform:translateY(-2px);
  box-shadow:var(--glow-holy)}
.foot-rich .comm-btn svg{width:20px;height:20px}
.foot-rich .foot-bottom{display:flex;flex-wrap:wrap;gap:8px;justify-content:space-between;
  align-items:center;font-size:.8rem}

/* ---------- R8. Stat coin: icon hào quang -------------------------- */
.stat .stat-ic.holy{background:var(--grad-holy);color:#5a3d00;box-shadow:var(--glow-holy)}

/* ---------- R9. Reduced motion: tắt hạt + shine -------------------- */
@media (prefers-reduced-motion: reduce){
  .sky-fx .motes{display:none}
  .btn-primary::after,.btn-gold::after{display:none}
}