/* Web Anka - kiểu chung. Màu, bố cục theo mẫu demo-anka/anka.html. Font miễn phí: Oswald (tiêu đề), Be Vietnam Pro (chữ). */
:root { --red:#C8102E; --dred:#7A0A1C; --ink:#1F1F1F; --mute:#6B6B6B; --line:#ECECEC; --bg:#F6F6F7; --tint:#FCEBEE; --yel:#FFD400; --green:#1E7B4A; }
* { box-sizing:border-box; margin:0; padding:0; }
[hidden] { display:none !important; }
body { font-family:"Be Vietnam Pro", "Segoe UI", Arial, sans-serif; color:var(--ink); background:var(--bg); font-size:16px; line-height:1.5; }
a { color:var(--red); }
.hf { font-family:"Oswald", "Arial Narrow", sans-serif; font-weight:700; letter-spacing:.3px; line-height:1.1; }
.muted { color:var(--mute); }
.btn { display:inline-flex; align-items:center; justify-content:center; gap:8px; background:var(--red); color:#fff; border:none; border-radius:10px; padding:13px 22px; font:600 15px/1.2 inherit; font-family:inherit; cursor:pointer; text-decoration:none; }
.btn.ghost { background:#fff; color:var(--ink); border:1px solid #D8D8D8; }
.logo { display:flex; align-items:center; gap:10px; }
.logo .mark { width:40px; height:40px; border-radius:12px; display:block; flex:none; }
.logo b { font-size:28px; color:var(--red); }
.logo small { display:block; font-size:11px; color:var(--mute); margin-top:-2px; }

/* Đăng nhập */
.login { min-height:100vh; display:grid; place-items:center; padding:20px 16px; background:linear-gradient(160deg, #D8142F 0%, #9E0C24 60%, #6A0714 100%); }
.login-card { background:#fff; border-radius:20px; padding:30px 24px; width:100%; max-width:420px; display:flex; flex-direction:column; gap:16px; box-shadow:0 20px 50px rgba(0,0,0,.3); }
.login-card h1 { font-size:34px; margin-top:6px; }
#nut-google { min-height:44px; }
.loi { background:var(--tint); color:var(--red); border-radius:10px; padding:10px 12px; font-size:14px; }
.nho { font-size:14px; }

/* Khung chính */
.app { display:flex; min-height:100vh; }
aside { width:250px; background:#fff; border-right:1px solid var(--line); padding:26px 18px; display:flex; flex-direction:column; gap:6px; position:sticky; top:0; height:100vh; flex:none; }
aside .logo { margin:0 8px 22px; }
.nav { display:flex; align-items:center; gap:12px; padding:11px 14px; border-radius:10px; font-size:15px; color:#333; text-decoration:none; }
.nav i { width:28px; height:28px; border-radius:8px; background:var(--bg); display:grid; place-items:center; font-style:normal; font-size:15px; flex:none; }
.nav:hover { background:var(--bg); }
.nav.on { background:var(--tint); color:var(--red); font-weight:600; }
.nav.on i { background:var(--red); color:#fff; }
.quota { margin-top:auto; background:var(--dred); color:#fff; border-radius:14px; padding:16px; }
.quota .n { font-size:30px; }
.quota .bar { height:7px; background:rgba(255,255,255,.25); border-radius:9px; margin:10px 0 8px; }
.quota .bar span { display:block; height:100%; width:0; background:var(--yel); border-radius:9px; }
.quota small { font-size:12px; opacity:.85; }
main { flex:1; min-width:0; display:flex; flex-direction:column; }
header { height:72px; background:#fff; border-bottom:1px solid var(--line); display:flex; align-items:center; padding:0 34px; gap:16px; }
header h1 { font-size:20px; font-weight:600; }
header .sp { flex:1; }
.user { display:flex; align-items:center; gap:10px; font-size:14px; }
.user img { width:40px; height:40px; border-radius:50%; background:var(--tint); object-fit:cover; }
.user small { display:block; font-size:12px; }
.content { padding:30px 34px 40px; display:flex; flex-direction:column; gap:22px; }
.chao { font-size:40px; }
.grid6 { display:grid; grid-template-columns:repeat(3, 1fr); gap:14px; }
.tool { background:#fff; border:1px solid var(--line); border-radius:16px; padding:20px; display:flex; flex-direction:column; gap:10px; text-decoration:none; color:inherit; position:relative; }
.tool:hover { border-color:var(--red); }
.tool .ic { width:52px; height:52px; border-radius:14px; display:grid; place-items:center; font-size:26px; }
.tool h3 { font-size:17px; }
.tool p { font-size:14px; color:var(--mute); line-height:1.45; }
.sap { position:absolute; top:14px; right:14px; background:#FFF4CC; color:#8A6A00; font-size:12px; font-weight:700; border-radius:6px; padding:3px 8px; }
.card { background:#fff; border:1px solid var(--line); border-radius:16px; padding:22px; }
.trong { text-align:center; padding:40px 20px; }
.trong .ic { font-size:40px; }
.trong h2 { font-size:28px; margin:10px 0 6px; }

/* Điện thoại: menu thành thanh dưới cùng */
@media (max-width: 860px) {
  .app { flex-direction:column; }
  aside { position:fixed; bottom:0; top:auto; left:0; right:0; width:auto; height:auto; flex-direction:row; padding:6px; border-right:none; border-top:1px solid var(--line); z-index:10; overflow-x:auto; gap:2px; scrollbar-width:none; }
  aside::-webkit-scrollbar { display:none; }
  aside .logo, aside .quota { display:none; }
  #menu { display:flex; gap:2px; }
  .nav { flex-direction:column; gap:2px; padding:6px 8px; font-size:11px; min-width:66px; text-align:center; }
  header { padding:0 16px; height:60px; }
  header h1 { font-size:18px; }
  .user span { display:none; }
  .content { padding:18px 16px 100px; }
  .chao { font-size:28px; }
  .grid6 { grid-template-columns:1fr 1fr; gap:10px; }
  .tool { padding:14px; }
  .tool .ic { width:42px; height:42px; font-size:21px; }
  .tool p { font-size:13px; }
  .sap { position:static; align-self:flex-start; }
  .quota-dt { display:flex !important; }
}
.quota-dt { display:none; align-items:center; gap:10px; background:var(--dred); color:#fff; border-radius:12px; padding:10px 14px; font-size:14px; }
.quota-dt b { font-family:"Oswald", sans-serif; font-size:20px; }