/* ===== Shop ChatGPT Plus - style.css (theme sáng, có trang trí nền + nút) ===== */
@import url('https://fonts.googleapis.com/css2?family=Be+Vietnam+Pro:wght@400;500;600;700;800&display=swap');

:root{
  --bg:#f2fbf6; --card:#ffffff; --card2:#e8f8ef; --line:#cdeedb;
  --text:#173a2c; --muted:#5f8271; --brand:#22b573; --brand-d:#188b58; --brand-l:#7fe3ac;
  --accent:#ff9ec9; --accent-d:#ef6fa8;
  --danger:#d92d2d; --ok:#1f9d55; --warn:#b8770c;
  --radius:18px;
  --shadow-sm:0 2px 8px rgba(16,38,29,.06);
  --shadow-md:0 12px 30px -12px rgba(34,181,115,.30);
  --paw:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='64' height='64' viewBox='0 0 64 64'%3E%3Cg fill='%2322b573' fill-opacity='0.07'%3E%3Cellipse cx='32' cy='42' rx='13' ry='11'/%3E%3Cellipse cx='16' cy='22' rx='6' ry='7'/%3E%3Cellipse cx='30' cy='14' rx='6' ry='7'/%3E%3Cellipse cx='45' cy='18' rx='6' ry='7'/%3E%3Cellipse cx='52' cy='32' rx='5.5' ry='6.5'/%3E%3C/g%3E%3C/svg%3E");
}
*{box-sizing:border-box}
body{margin:0;font-family:'Be Vietnam Pro',system-ui,-apple-system,Roboto,Arial,sans-serif;
  color:var(--text);line-height:1.55;min-height:100vh;
  background-color:var(--bg);
  background-image:
    var(--paw),
    radial-gradient(680px 420px at -5% -10%, rgba(34,181,115,.14), transparent 60%),
    radial-gradient(600px 380px at 108% 0%, rgba(255,158,201,.14), transparent 55%),
    radial-gradient(900px 560px at 50% 115%, rgba(34,181,115,.08), transparent 60%);
  background-size:auto,auto,auto,auto;
  background-position:0 0,0 0,0 0,0 0;
  background-attachment:fixed;
  background-repeat:repeat,no-repeat,no-repeat,no-repeat;
}
a{color:var(--brand);text-decoration:none}
a:hover{text-decoration:underline}
.container{max-width:1080px;margin:0 auto;padding:0 18px}
h1,h2,h3{font-family:'Be Vietnam Pro',system-ui,sans-serif;letter-spacing:-.01em}

/* topbar */
.topbar{background:rgba(255,255,255,.82);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10;box-shadow:0 2px 10px rgba(0,0,0,.06)}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;height:64px}
.brand{font-weight:800;font-size:1.2rem;color:var(--text)}
.brand .logo{color:var(--brand);filter:drop-shadow(0 0 6px rgba(16,163,127,.45))}
.admin-bar{background:#f6faf8;border-bottom-color:#d7ece3}
.nav{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.nav a{color:var(--muted);font-size:.95rem;font-weight:500}
.nav a:hover{color:var(--text);text-decoration:none}
.nav .admin-link{color:var(--warn)}
.nav-wallet-balance{color:var(--text);font-size:.95rem;font-weight:500}
.nav-topup{background:linear-gradient(135deg,var(--brand),var(--brand-d));color:#fff;border-color:transparent}
.nav-topup:hover{color:#fff;filter:brightness(1.05)}
#topup-section{scroll-margin-top:84px}
.btn-ghost{border:1px solid var(--line);padding:7px 14px;border-radius:10px;font-weight:600;
  background:#fff;transition:border-color .15s,transform .15s}
.btn-ghost:hover{border-color:var(--brand);transform:translateY(-1px);text-decoration:none}

/* hero */
.hero{position:relative;padding:40px 32px;isolation:isolate;overflow:hidden;
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
  background:linear-gradient(135deg,#eafcf3,#ffffff 55%,#fff0f7);
  border:1px solid var(--line);border-radius:26px;box-shadow:var(--shadow-sm);margin-top:22px}
.hero::before{content:"";position:absolute;top:-70px;left:-60px;width:260px;height:260px;
  background:radial-gradient(circle,rgba(34,181,115,.30),transparent 70%);
  filter:blur(6px);z-index:0;border-radius:50%}
.hero::after{content:"";position:absolute;top:-40px;right:-40px;width:220px;height:220px;
  background:radial-gradient(circle,rgba(255,158,201,.30),transparent 70%);
  filter:blur(6px);z-index:0;border-radius:50%}
.hero-text{position:relative;z-index:1;max-width:560px}
.hero h1{font-size:2.3rem;font-weight:800;margin:0 0 10px;
  background:linear-gradient(100deg,var(--text) 25%,var(--brand-d) 65%,var(--accent-d) 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent}
.hero h1::after{content:" 🐾";-webkit-text-fill-color:initial;background:none}
.hero p{color:var(--muted);margin:0;font-size:1.02rem}
.hero-mascot{position:relative;z-index:1;flex:0 0 auto;width:190px;height:190px;
  border-radius:50%;overflow:hidden;background:#fff;
  border:6px solid #ffffff;box-shadow:0 16px 34px -14px rgba(34,181,115,.45),0 0 0 3px var(--brand-l);
  animation:mascot-float 3.2s ease-in-out infinite}
.hero-mascot img{width:100%;height:100%;object-fit:cover;display:block}
@keyframes mascot-float{0%,100%{transform:translateY(0) rotate(-2deg)}50%{transform:translateY(-10px) rotate(2deg)}}
@media(max-width:640px){.hero{flex-direction:column;text-align:center;padding:30px 22px}
  .hero-text{max-width:none}.hero-mascot{width:140px;height:140px}}

/* products */
.product-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:20px;margin:26px 0}
.product-card{position:relative;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);padding:22px;box-shadow:var(--shadow-sm);
  transition:transform .18s ease,box-shadow .18s ease;overflow:hidden}
.product-card::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;
  background:linear-gradient(90deg,var(--brand),var(--accent))}
.product-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.product-card h3{margin:6px 0 6px}
.product-card .tag{display:inline-block;background:var(--card2);color:var(--brand-d);
  font-size:.78rem;font-weight:600;padding:3px 12px;border-radius:20px;margin-bottom:10px;
  border:1px solid rgba(16,163,127,.18)}
.price{font-size:1.6rem;font-weight:800;color:var(--brand);margin:12px 0 4px}
.stock{margin-bottom:14px;font-weight:600}
.stock.in{color:var(--ok)} .stock.out{color:var(--danger)}

/* buttons */
.btn{position:relative;display:inline-block;color:#fff;border:none;padding:12px 22px;
  border-radius:12px;font-size:.98rem;cursor:pointer;font-weight:700;letter-spacing:.01em;
  background:linear-gradient(135deg,var(--brand-l),var(--brand) 45%,var(--brand-d));
  box-shadow:0 10px 22px -10px rgba(16,163,127,.55), inset 0 1px 0 rgba(255,255,255,.25);
  transition:transform .15s ease,box-shadow .15s ease;overflow:hidden}
.btn::after{content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,transparent 30%,rgba(255,255,255,.35) 48%,rgba(255,255,255,.35) 52%,transparent 70%);
  transform:translateX(-120%);transition:transform .5s ease}
.btn:hover{background:linear-gradient(135deg,var(--brand-l),var(--brand-d) 55%,var(--brand-d));
  transform:translateY(-2px);box-shadow:0 14px 26px -10px rgba(16,163,127,.65), inset 0 1px 0 rgba(255,255,255,.25);
  text-decoration:none}
.btn:hover::after{transform:translateX(120%)}
.btn:active{transform:translateY(0)}
.btn:disabled{background:#c9d2cd;box-shadow:none;color:#7c8c84;cursor:not-allowed}
.btn:disabled::after{display:none}
.btn-sm{display:inline-block;background:var(--card2);color:var(--text);border:1px solid var(--line);
  padding:7px 14px;border-radius:9px;font-size:.85rem;font-weight:600;cursor:pointer;transition:all .15s}
.btn-sm:hover{border-color:var(--brand);color:var(--brand-d);transform:translateY(-1px);text-decoration:none}
.btn-sm.danger,.danger{color:#fff;background:var(--danger);border-color:var(--danger)}

/* cards & forms */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:22px;margin:20px 0;
  box-shadow:var(--shadow-sm)}
.card h2{margin-top:0}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin:20px 0}
.auth-card{position:relative;max-width:420px;margin:40px auto;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);padding:28px;box-shadow:var(--shadow-md);overflow:hidden}
.auth-card::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;
  background:linear-gradient(90deg,var(--brand),var(--accent))}
.auth-card h1{margin-top:0}
.form{display:flex;flex-direction:column;gap:14px;margin-top:8px}
.form label{display:flex;flex-direction:column;gap:6px;font-size:.9rem;color:var(--muted)}
.form input,.form select,.form textarea{background:var(--card2);border:1px solid var(--line);
  color:var(--text);padding:11px 12px;border-radius:9px;font-size:.98rem;font-family:inherit}
.form input:focus,.form select:focus,.form textarea:focus{outline:none;border-color:var(--brand)}
.form .checkbox{flex-direction:row;align-items:center;gap:8px;color:var(--text)}

/* Thanh nút "Lưu tất cả cài đặt" ở cuối trang cài đặt - dính đáy màn hình khi cuộn */
.settings-save-bar{
  position:sticky;bottom:0;z-index:6;margin-top:26px;padding:14px 0;
  background:linear-gradient(180deg,rgba(242,251,246,0) 0%,var(--bg) 35%,var(--bg) 100%);
  display:flex;justify-content:flex-end;
}
.settings-save-bar .btn{
  padding:13px 34px;font-size:1rem;box-shadow:0 10px 26px -8px rgba(34,181,115,.45);
}

/* ---- Modal xác nhận tuỳ chỉnh (thay cho confirm() mặc định của trình duyệt) ---- */
.confirm-modal-overlay{
  position:fixed;inset:0;background:rgba(15,40,28,.42);z-index:200;
  display:none;align-items:center;justify-content:center;padding:16px;
  backdrop-filter:blur(2px);-webkit-backdrop-filter:blur(2px);
}
.confirm-modal-overlay.open{display:flex}
.confirm-modal-box{
  background:#fff;border-radius:20px;max-width:360px;width:100%;
  padding:26px 24px 22px;text-align:center;
  border-top:5px solid var(--brand);
  box-shadow:0 24px 60px -18px rgba(16,38,29,.45);
  animation:confirm-modal-pop .16s ease-out;
}
@keyframes confirm-modal-pop{
  from{ transform:scale(.94); opacity:0 }
  to{ transform:scale(1); opacity:1 }
}
.confirm-modal-icon{
  width:46px;height:46px;border-radius:50%;margin:0 auto 14px;
  background:var(--card2);color:var(--brand-d);
  display:flex;align-items:center;justify-content:center;font-size:1.3rem;
}
.confirm-modal-msg{margin:0 0 22px;font-size:1.02rem;font-weight:700;color:var(--text);line-height:1.4}
.confirm-modal-actions{display:flex;gap:10px;justify-content:center}
.confirm-modal-actions button{flex:1;padding:11px 0;font-size:.95rem}
.confirm-modal-actions .btn{box-shadow:0 8px 18px -6px rgba(34,181,115,.45)}
.btn-google{display:flex;align-items:center;justify-content:center;gap:10px;
  background:#fff;color:#3c4043;border:1px solid var(--line);padding:11px 18px;
  border-radius:10px;font-size:.98rem;font-weight:600;width:100%}
.btn-google:hover{background:#f7f7f8;text-decoration:none;border-color:#c9cbd1}
.inline-form{margin-bottom:14px}
.inline-form select{background:var(--card2);border:1px solid var(--line);color:var(--text);
  padding:8px 10px;border-radius:8px}

/* wallet */
.wallet-balance{position:relative;background:linear-gradient(135deg,var(--brand-l),var(--brand) 50%,var(--brand-d));
  color:#fff;padding:24px;border-radius:var(--radius);font-size:1.3rem;margin:18px 0;
  box-shadow:0 14px 30px -14px rgba(16,163,127,.55), inset 0 1px 0 rgba(255,255,255,.25);overflow:hidden}
.wallet-balance::after{content:"";position:absolute;top:-30px;right:-20px;width:140px;height:140px;
  background:radial-gradient(circle,rgba(255,255,255,.22),transparent 70%);border-radius:50%}
.wallet-balance b{font-size:1.5rem}

/* tables */
.table{width:100%;border-collapse:collapse;font-size:.92rem}
.table th,.table td{text-align:left;padding:10px 12px;border-bottom:1px solid var(--line);vertical-align:top}
.table th{color:var(--muted);font-weight:600;font-size:.82rem;text-transform:uppercase;letter-spacing:.03em}
.table code{background:var(--card2);padding:2px 6px;border-radius:6px}
.pos{color:var(--ok)} .neg{color:var(--danger)}

/* badges */
.badge{display:inline-block;padding:3px 10px;border-radius:20px;font-size:.78rem;
  background:var(--card2);color:var(--muted)}
.badge-pending{background:#fdf1dc;color:var(--warn)}
.badge-approved{background:#e4f7ec;color:var(--ok)}
.badge-rejected{background:#fbe6e6;color:var(--danger)}

/* flash */
.flash{padding:12px 16px;border-radius:10px;margin:14px 0;font-size:.95rem}
.flash-success{background:#e4f7ec;color:#146c3e;border:1px solid #b7e6cb}
.flash-error{background:#fbe6e6;color:#a11f1f;border:1px solid #f2bcbc}
.flash-info{background:#e9f0fc;color:#1d4c9e;border:1px solid #c3d7f5}

/* admin */
.stat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:16px;margin:22px 0}
.stat{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px;color:var(--muted)}
.stat span{display:block;font-size:1.6rem;font-weight:700;color:var(--text);margin-bottom:4px}
.stat.alert span{color:var(--warn)}
.admin-links{display:flex;gap:12px;flex-wrap:wrap;margin:20px 0}
.tabs{display:flex;gap:8px;margin:18px 0}
.tabs a{padding:8px 16px;border-radius:9px;background:var(--card);border:1px solid var(--line);color:var(--muted)}
.tabs a.active{background:var(--brand);color:#fff;border-color:var(--brand)}
.tabs a:hover{text-decoration:none}

/* misc */
.credential{background:#f3f4f6;border:1px solid var(--line);padding:16px;border-radius:10px;
  white-space:pre-wrap;word-break:break-all;color:#0d6b45;font-size:1rem;font-family:monospace}
.muted{color:var(--muted)}
.small{font-size:.84rem}
.footer{border-top:1px solid var(--line);margin-top:40px;padding:24px 0;color:var(--muted);font-size:.9rem}
.footer p{margin:4px 0}

@media(max-width:720px){.grid-2{grid-template-columns:1fr}.topbar-inner{height:auto;padding:10px 0;flex-direction:column;gap:8px}}

/* logo & thông báo (dùng chung cho trang khách + admin) */
.brand{display:flex;align-items:center;gap:8px}
.site-logo{height:30px;width:auto;border-radius:6px;object-fit:contain}
.site-logo-preview{display:block;max-height:70px;width:auto;border-radius:8px;
  border:1px solid var(--line);background:#fff;padding:6px;margin-top:4px}
.site-notice{background:#fff7e0;color:#8a6100;border-bottom:1px solid #f0dca3;
  padding:10px 18px;font-size:.9rem;text-align:center}

/* ================================================================
   Khu vực quản trị: đồng bộ theme xanh lá + trắng "meow cute" với trang khách.
   Chỉ áp dụng trong <body class="admin">, cộng thêm hiệu ứng mèo con rơi.
   ================================================================ */
body.admin{
  --a-line:var(--line); --a-gold:var(--brand); --a-gold-soft:var(--brand-d);
  --a-text:var(--text); --a-muted:var(--muted);
  color:var(--a-text);
  min-height:100vh;
}
body.admin .admin-bar{
  background:rgba(255,255,255,.85);
  border-bottom:1px solid var(--a-line);
  backdrop-filter:blur(8px);
}
body.admin .brand{color:var(--brand-d);letter-spacing:.01em;font-size:1.2rem}
body.admin .nav .admin-link{color:var(--accent-d);font-weight:700}

body.admin h1{color:var(--text);
  letter-spacing:.01em;border-bottom:2px dashed var(--a-line);padding-bottom:14px;margin-bottom:22px}
body.admin h1::before{content:"🐱 "}
body.admin h2{color:var(--brand-d);font-weight:700}

body.admin .stat.alert span{color:var(--warn)}
body.admin .tabs a.active{background:var(--brand);color:#fff;border-color:var(--brand)}

body.admin .credential{color:var(--brand-d)}

/* ---- Mèo con rơi (chỉ trang admin) ---- */
.falling-cats{position:fixed;inset:0;pointer-events:none;z-index:1;overflow:hidden}
.falling-cats img{position:absolute;top:-60px;border-radius:50%;object-fit:cover;
  box-shadow:0 4px 10px rgba(23,58,44,.18);animation-name:cat-fall;animation-timing-function:linear;
  animation-iteration-count:infinite;opacity:.9}
@keyframes cat-fall{
  0%{transform:translateY(0) rotate(0deg);opacity:0}
  8%{opacity:.9}
  92%{opacity:.9}
  100%{transform:translateY(112vh) rotate(360deg);opacity:0}
}
body.admin .topbar,body.admin main,body.admin .footer,body.admin .admin-layout{position:relative;z-index:2}

/* ---- Sidebar dọc bên trái (thay cho thanh menu ngang cũ) ---- */
.admin-layout{display:flex;align-items:flex-start;min-height:100vh}
.admin-sidebar{
  width:230px;flex:0 0 230px;min-height:100vh;
  background:rgba(255,255,255,.92);border-right:1px solid var(--line);
  padding:22px 14px;display:flex;flex-direction:column;gap:6px;
  position:sticky;top:0;box-shadow:2px 0 14px rgba(16,38,29,.05);
}
.admin-sidebar-brand{margin:0 6px 20px;font-size:1.15rem}
.admin-nav{display:flex;flex-direction:column;gap:3px}
.admin-nav a{
  color:var(--muted);font-weight:600;font-size:.92rem;
  padding:10px 13px;border-radius:12px;border-left:3px solid transparent;
  display:flex;align-items:center;gap:8px;
}
.admin-nav a:hover{background:var(--card2);color:var(--text);text-decoration:none}
.admin-nav a.active{background:var(--card2);color:var(--brand-d);border-left-color:var(--brand);font-weight:700}
.admin-nav .nav-chat-link{justify-content:space-between}
.admin-nav-sep{margin-top:14px;padding-top:16px;border-top:1px dashed var(--line)}
.admin-nav-logout{margin-top:10px;text-align:center;justify-content:center}
.admin-sidebar-toggle{display:none}
.admin-sidebar-backdrop{display:none}
.admin-main{flex:1;min-width:0}
.admin-main .container{margin:0;max-width:1100px;padding:26px 30px}
.admin-footer{border-top:1px solid var(--line);margin-top:20px;padding:18px 30px;color:var(--muted);font-size:.9rem}

@media (max-width:900px){
  .admin-layout{flex-direction:column}
  .admin-sidebar-toggle{
    display:block;margin:14px 14px 0;padding:9px 16px;border-radius:10px;border:1px solid var(--line);
    background:#fff;font-weight:700;cursor:pointer;
  }
  .admin-sidebar{
    position:fixed;left:0;top:0;height:100vh;transform:translateX(-100%);
    transition:transform .2s ease;z-index:50;width:240px;flex:0 0 240px;
    box-shadow:6px 0 24px rgba(0,0,0,.18);
  }
  .admin-sidebar.open{transform:translateX(0)}
  .admin-sidebar-backdrop{
    display:none;position:fixed;inset:0;background:rgba(10,30,20,.35);z-index:40;
  }
  .admin-sidebar-backdrop.open{display:block}
  .admin-main .container{padding:18px 16px}
}

/* ---- Nút hỗ trợ nổi (Zalo / Facebook) ---- */
.support-fab{
  position:fixed; right:20px; bottom:20px; z-index:999;
  display:flex; flex-direction:column; gap:12px; align-items:center;
}
.support-fab-btn{
  width:54px; height:54px; border-radius:50%;
  display:flex; align-items:center; justify-content:center;
  color:#fff; box-shadow:0 8px 22px -6px rgba(0,0,0,.4);
  transition:transform .18s ease, box-shadow .18s ease;
  animation:support-fab-pulse 2.4s ease-in-out infinite;
}
.support-fab-btn:hover{
  transform:translateY(-3px) scale(1.06);
  box-shadow:0 12px 26px -6px rgba(0,0,0,.5);
  text-decoration:none;
}
.support-fab-fb{ background:linear-gradient(135deg,#1877f2,#0d5bcc); }
.support-fab-zalo{ background:linear-gradient(135deg,#0091ff,#0068cc); }
.support-fab-bot{
  background:linear-gradient(135deg,#a855f7,#7c3aed);
  border:none; cursor:pointer; font:inherit; padding:0;
}
@keyframes support-fab-pulse{
  0%,100%{ box-shadow:0 8px 22px -6px rgba(0,0,0,.4); }
  50%{ box-shadow:0 8px 22px -6px rgba(0,0,0,.4), 0 0 0 8px rgba(255,255,255,.08); }
}
@media (max-width:600px){
  .support-fab{ right:14px; bottom:14px; gap:10px; }
  .support-fab-btn{ width:48px; height:48px; }
}

/* ---- Nút + khung Chat với Admin (trang khách) ---- */
.support-fab-chat{
  background:linear-gradient(135deg,var(--brand),var(--brand-d));
  border:none; cursor:pointer; position:relative; font:inherit; padding:0;
}
.chat-badge{
  position:absolute; top:-4px; right:-4px; min-width:19px; height:19px; padding:0 4px;
  border-radius:999px; background:var(--accent-d); color:#fff; font-size:.68rem; font-weight:800;
  display:flex; align-items:center; justify-content:center; box-shadow:0 0 0 2px #fff;
}
.chat-badge-inline{ position:static; box-shadow:none; margin-left:6px; }

.chat-panel{
  position:fixed; right:20px; bottom:92px; z-index:1000;
  width:320px; max-width:calc(100vw - 32px); height:420px; max-height:calc(100vh - 140px);
  background:var(--card); border:1px solid var(--line); border-radius:20px;
  box-shadow:0 20px 46px -18px rgba(23,58,44,.35);
  display:flex; flex-direction:column; overflow:hidden;
}
.chat-panel[hidden]{ display:none !important; }
.chat-panel-head{
  background:linear-gradient(135deg,var(--brand),var(--brand-d)); color:#fff;
  padding:12px 14px; display:flex; align-items:center; gap:10px;
}
.chat-avatar{
  flex:0 0 auto; width:36px; height:36px; border-radius:50%;
  background:rgba(255,255,255,.22); display:flex; align-items:center; justify-content:center;
}
.chat-head-text{ flex:1; display:flex; flex-direction:column; min-width:0; }
.chat-head-title{ font-weight:700; font-size:.95rem; }
.chat-head-sub{ font-size:.72rem; opacity:.92; display:flex; align-items:center; gap:5px; }
.chat-online-dot{
  width:7px; height:7px; border-radius:50%; background:#4ade80; display:inline-block;
  box-shadow:0 0 0 2px rgba(255,255,255,.35);
}
.chat-panel-head button{
  background:rgba(255,255,255,.18); border:none; color:#fff; width:26px; height:26px;
  border-radius:50%; cursor:pointer; line-height:1; font-size:1.1rem; flex:0 0 auto;
}
.chat-panel-body{
  flex:1; overflow-y:auto; padding:12px; display:flex; flex-direction:column; gap:14px;
  background:var(--bg);
}
.chat-panel-body .btn{ align-self:flex-start; margin-top:6px; text-decoration:none; display:inline-block; }
.chat-panel-form{ display:flex; align-items:center; gap:8px; padding:10px; border-top:1px solid var(--line); background:var(--card); }
.chat-panel-form input[type=text]{
  flex:1; padding:10px 16px; border:1px solid var(--line); border-radius:999px; background:var(--bg); color:var(--text);
}
.chat-send-btn{
  flex:0 0 auto; width:38px; height:38px; border-radius:50%; border:none; cursor:pointer;
  background:linear-gradient(135deg,var(--brand),var(--brand-d)); color:#fff;
  display:flex; align-items:center; justify-content:center; box-shadow:0 4px 10px -3px rgba(34,181,115,.5);
}
.chat-send-btn:hover{ filter:brightness(1.05); }

.chat-msg{ display:flex; flex-direction:column; max-width:82%; }
.chat-msg-me{ align-self:flex-end; align-items:flex-end; }
.chat-msg-admin{ align-self:flex-start; align-items:flex-start; }
.chat-bubble{
  padding:9px 13px; border-radius:16px; font-size:.9rem; line-height:1.4; word-wrap:break-word;
}
.chat-msg-me .chat-bubble{ background:var(--brand); color:#fff; border-bottom-right-radius:4px; }
.chat-msg-admin .chat-bubble{ background:#fff; color:var(--text); border:1px solid var(--line); border-bottom-left-radius:4px; }

/* Khung chat nổi (widget) bên trang khách: tin nhắn của khách hiện bên phải,
   tin nhắn admin hiện bên trái (dùng chung quy tắc .chat-msg-me / .chat-msg-admin ở trên) */
.chat-time{ font-size:.66rem; color:var(--muted); margin-top:4px; padding:0 3px; }

/* ---- Khung "Trợ lý ảo" (FAQ tự động) ---- */
.chat-panel-head-bot{ background:linear-gradient(135deg,#a855f7,#7c3aed); }
.bot-suggestions{ display:flex; flex-direction:column; gap:6px; align-items:flex-start; }
.bot-suggestions-title{ margin:2px 0 2px; }
.bot-chip{
  border:1px solid var(--line); background:#fff; color:var(--text);
  border-radius:999px; padding:7px 13px; font-size:.82rem; text-align:left;
  cursor:pointer; transition:background .15s ease, border-color .15s ease;
}
.bot-chip:hover{ background:var(--card2); border-color:#a855f7; }

/* ---- Trang chat của Admin ---- */
.chat-admin-wrap{ display:flex; gap:0; padding:0; overflow:hidden; }
.chat-conv-list{
  width:230px; flex:0 0 230px; border-right:1px solid var(--line); max-height:560px; overflow-y:auto;
}
.chat-conv-item{
  display:flex; align-items:center; justify-content:space-between; gap:6px;
  padding:12px 14px; border-bottom:1px solid var(--line); color:var(--text); text-decoration:none;
}
.chat-conv-item:hover{ background:var(--card2); text-decoration:none; }
.chat-conv-item.active{ background:var(--card2); border-left:3px solid var(--brand); font-weight:700; }
.chat-conv-name{ overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.chat-thread{ flex:1; display:flex; flex-direction:column; min-width:0; }
.chat-thread-head{ padding:12px 16px; border-bottom:1px solid var(--line); }
.chat-thread-body{ flex:1; max-height:440px; }
.chat-thread .chat-panel-form{ border-top:1px solid var(--line); }
.nav-chat-link{ display:inline-flex; align-items:center; }
@media (max-width:760px){
  .chat-admin-wrap{ flex-direction:column; }
  .chat-conv-list{ width:auto; flex:none; max-height:180px; border-right:none; border-bottom:1px solid var(--line); }
}

/* ===== Modal xác nhận mua hàng ===== */
.confirm-overlay{
  position:fixed; inset:0; z-index:1000;
  background:rgba(16,38,29,.45);
  display:flex; align-items:center; justify-content:center;
  padding:20px;
}
.confirm-overlay[hidden]{ display:none; }
.confirm-box{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:0 20px 50px -14px rgba(16,38,29,.35);
  max-width:380px; width:100%;
  padding:26px 24px 22px;
  text-align:center;
  animation:confirm-pop .18s ease-out;
}
@keyframes confirm-pop{
  from{ transform:scale(.92); opacity:0; }
  to{ transform:scale(1); opacity:1; }
}
.confirm-box h3{
  margin:0 0 10px; color:var(--brand-d); font-size:1.15rem; font-weight:800;
}
.confirm-box p{ margin:0 0 20px; color:var(--text); }
.confirm-box p strong{ color:var(--brand-d); }
.confirm-actions{
  display:flex; gap:12px; justify-content:center;
}
.confirm-actions .btn{
  flex:1; border:none; cursor:pointer; font-weight:700; border-radius:12px;
  padding:10px 16px;
}
.confirm-yes{
  background:linear-gradient(90deg,var(--brand),var(--brand-l)); color:#fff;
}
.confirm-yes:hover{ background:linear-gradient(90deg,var(--brand-d),var(--brand)); }
.confirm-no{
  background:var(--card2); color:var(--text); border:1px solid var(--line) !important;
}
.confirm-no:hover{ background:var(--line); }

/* ---- Nút "Gọi" trong khung chat (khách <-> admin) ---- */
.chat-call-btn{
  background:rgba(255,255,255,.18); border:none; color:#fff; width:30px; height:30px;
  border-radius:50%; cursor:pointer; line-height:1; flex:0 0 auto;
  display:flex; align-items:center; justify-content:center;
}
.chat-call-btn:hover{ background:rgba(255,255,255,.3); }
.chat-thread-head{ display:flex; align-items:center; gap:10px; }
.chat-thread-head .chat-call-btn{
  margin-left:auto; background:linear-gradient(135deg,var(--brand),var(--brand-d)); color:#fff;
  width:34px; height:34px; box-shadow:0 4px 10px -3px rgba(34,181,115,.5);
}

/* ---- Khung cuộc gọi thoại (WebRTC) - hiện giữa màn hình ---- */
.call-overlay{
  position:fixed; inset:0; z-index:2000; display:none;
  align-items:center; justify-content:center;
  background:rgba(15,32,24,.55); backdrop-filter:blur(2px);
}
.call-overlay.open{ display:flex; }
.call-box{
  width:290px; max-width:calc(100vw - 40px); padding:32px 24px 26px;
  background:var(--card); border-radius:24px; box-shadow:0 24px 60px -20px rgba(0,0,0,.45);
  display:flex; flex-direction:column; align-items:center; text-align:center;
  animation:call-box-pop .18s ease-out;
}
@keyframes call-box-pop{ from{ transform:scale(.9); opacity:0; } to{ transform:scale(1); opacity:1; } }
.call-overlay-incoming .call-box{ animation:call-box-pop .18s ease-out, call-box-ring 1s ease-in-out infinite; }
@keyframes call-box-ring{
  0%,100%{ box-shadow:0 24px 60px -20px rgba(0,0,0,.45); }
  50%{ box-shadow:0 24px 60px -20px rgba(0,0,0,.45), 0 0 0 8px rgba(34,181,115,.18); }
}
.call-avatar{
  width:76px; height:76px; border-radius:50%; font-size:2rem;
  background:linear-gradient(135deg,var(--brand),var(--brand-d)); color:#fff;
  display:flex; align-items:center; justify-content:center; margin-bottom:14px;
  box-shadow:0 10px 26px -10px rgba(34,181,115,.5);
}
.call-name{ font-weight:800; font-size:1.08rem; color:var(--text); }
.call-status{ margin-top:6px; color:var(--muted); font-size:.88rem; min-height:1.2em; }
.call-actions{ display:flex; gap:22px; margin-top:26px; }
.call-btn{
  width:52px; height:52px; border-radius:50%; border:none; cursor:pointer;
  font-size:1.25rem; color:#fff; display:flex; align-items:center; justify-content:center;
  box-shadow:0 8px 20px -8px rgba(0,0,0,.4); transition:transform .12s ease;
}
.call-btn:hover{ transform:translateY(-2px); }
.call-btn-end{ background:linear-gradient(135deg,#f43f5e,var(--danger)); }
.call-btn-accept{ background:linear-gradient(135deg,var(--brand-l),var(--brand)); }

@media (max-width:480px){
  .call-box{ width:250px; padding:26px 18px 22px; }
  .call-avatar{ width:66px; height:66px; font-size:1.7rem; }
  .call-btn{ width:48px; height:48px; }
}

/* ---- Nhân vật Live2D (assets/live2d) ---- */
#waifu{ z-index:900; }
#waifu-tips{
  background:rgba(255,255,255,.96); border:1px solid #d8c6f7; color:var(--text);
  box-shadow:0 6px 18px -6px rgba(124,58,237,.35); font-size:13px; line-height:20px;
}
#waifu-tips span{ color:#7c3aed; }
#waifu-tool svg{ fill:#8b5cf6; }
#waifu-tool svg:hover{ fill:#6d28d9; }
#waifu-toggle{ background-color:#a855f7; }
@media (max-width:899px){
  #waifu, #waifu-toggle{ display:none !important; }
}

/* ===== Trang hồ sơ (profile.php) ===== */
.profile-tabs{display:flex;gap:10px;margin:22px 0 0}
.profile-tabs .btn-ghost.active{background:linear-gradient(135deg,var(--brand),var(--brand-d));color:#fff;border-color:transparent}
.profile-wrap{display:grid;grid-template-columns:320px 1fr;gap:22px;margin:20px 0 40px;align-items:start}
.profile-card,.profile-form-card{background:var(--card);border:1px solid var(--line);border-radius:26px;
  box-shadow:var(--shadow-md);padding:26px}
.profile-card{text-align:center}
.profile-avatar{width:112px;height:112px;margin:0 auto 12px;border-radius:50%;padding:4px;
  background:linear-gradient(135deg,var(--brand),var(--accent));display:flex;align-items:center;justify-content:center;overflow:hidden;position:relative}
.profile-avatar img{width:100%;height:100%;border-radius:50%;object-fit:cover;background:#fff;display:block}
.profile-avatar span{width:100%;height:100%;border-radius:50%;background:#fff;color:var(--brand-d);
  font-size:2.6rem;font-weight:800;display:flex;align-items:center;justify-content:center}
.profile-role{display:inline-block;font-size:.72rem;font-weight:700;letter-spacing:.08em;color:var(--brand-d);
  background:var(--card2);border:1px solid var(--line);border-radius:999px;padding:3px 12px}
.profile-name{margin:12px 0 2px;font-size:1.3rem;word-break:break-word}
.profile-handle{color:var(--muted);font-size:.9rem;margin-bottom:16px}
.profile-rows{display:flex;flex-direction:column;gap:10px;text-align:left}
.profile-row{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:10px 14px;
  border:1px solid var(--line);border-radius:14px;background:#fbfffd;font-size:.9rem}
.profile-row span{color:var(--muted);font-weight:600;font-size:.8rem;white-space:nowrap}
.profile-row b{max-width:62%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;text-align:right}
.profile-logout{display:block;margin-top:16px;padding:11px;border:1px solid var(--accent);border-radius:999px;
  color:var(--accent-d);font-weight:700;font-size:.9rem}
.profile-logout:hover{background:#fff0f7;text-decoration:none}
.profile-eyebrow{font-size:.72rem;font-weight:700;letter-spacing:.18em;color:var(--brand-d)}
.profile-form-card h1{margin:6px 0 10px}
.profile-form label small{font-weight:400}
.profile-upload{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.profile-upload-label{flex-basis:100%;font-size:.9rem;color:var(--muted)}
.profile-upload-btn{cursor:pointer;padding:10px 20px;border-radius:999px;font-size:.9rem}
.profile-section{margin:12px 0 0}
.profile-pw-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.profile-actions{display:flex;justify-content:flex-end;border-top:1px dashed var(--line);padding-top:18px;margin-top:6px}
@media(max-width:860px){
  .profile-wrap{grid-template-columns:1fr}
  .profile-pw-grid{grid-template-columns:1fr}
}

/* ===== Chuyển số dư ảo (transfer.php) + thông báo trong Trợ lý ảo ===== */
.copy-id-btn{margin-left:8px;border:1px solid var(--line);background:var(--card2);color:var(--brand-d);
  border-radius:999px;padding:2px 10px;font-size:.72rem;font-weight:700;cursor:pointer;font-family:inherit}
.copy-id-btn:hover{border-color:var(--brand)}
.transfer-wrap{display:grid;grid-template-columns:1fr 360px;gap:22px;align-items:start;margin-top:4px}
.transfer-card,.transfer-guide{margin:20px 0}
.tf-name{background:#f3f6f4 !important;font-weight:700;color:var(--brand-d)}
.tf-ok{color:var(--ok)} .tf-err{color:var(--danger)}
.guide-steps{padding-left:18px;margin:8px 0 12px;display:flex;flex-direction:column;gap:10px;font-size:.92rem}
.bill-modal{position:fixed;inset:0;background:rgba(10,30,20,.45);z-index:200;display:flex;align-items:center;justify-content:center;padding:18px}
.bill-modal[hidden]{display:none}
.bill-modal-inner{background:#fff;border-radius:20px;padding:18px;max-width:380px;width:100%;text-align:center}
@media(max-width:860px){.transfer-wrap{grid-template-columns:1fr}}

/* khu thông báo trong khung Trợ lý ảo */
.bot-notify{max-height:60%;overflow-y:auto;padding:10px;display:flex;flex-direction:column;gap:10px;
  background:#f6fffa;border-bottom:1px solid var(--line)}
.bot-notify[hidden]{display:none}
.tf-card{position:relative;background:#fff;border:1px solid var(--line);border-radius:14px;padding:12px 30px 12px 12px;
  box-shadow:var(--shadow-sm);font-size:.9rem}
.tf-incoming{border-color:var(--brand)}
.tf-q{font-weight:600;line-height:1.45}
.tf-msg{margin-top:4px;color:var(--muted);font-size:.85rem;word-break:break-word}
.tf-actions{display:flex;gap:8px;margin-top:10px}
.tf-btn{flex:1;border:none;border-radius:999px;padding:8px 10px;font-weight:700;font-size:.85rem;cursor:pointer;font-family:inherit}
.tf-yes{background:linear-gradient(135deg,var(--brand),var(--brand-d));color:#fff}
.tf-no{background:#fff;color:var(--accent-d);border:1px solid var(--accent)}
.tf-btn:disabled{opacity:.6;cursor:wait}
.tf-close{position:absolute;top:6px;right:8px;border:none;background:none;font-size:1.2rem;line-height:1;color:var(--muted);cursor:pointer}
.tf-bill{margin-top:10px;background:#fff;border:1.5px dashed var(--brand);border-radius:14px;padding:14px;text-align:left}
.tf-bill-site{text-align:center;font-weight:800;color:var(--brand-d);font-size:1.05rem}
.tf-bill-title{text-align:center;font-size:.68rem;letter-spacing:.14em;color:var(--muted);margin-top:2px}
.tf-bill-amount{text-align:center;font-size:1.6rem;font-weight:800;color:var(--ok);margin:8px 0}
.tf-bill-row{display:flex;justify-content:space-between;gap:12px;padding:6px 0;border-top:1px solid var(--line);font-size:.86rem}
.tf-bill-row span{color:var(--muted);white-space:nowrap}
.tf-bill-row b{text-align:right;word-break:break-word}
.tf-bill-foot{text-align:center;color:var(--muted);font-size:.72rem;margin-top:8px}

/* ===== FIX giao diện: menu tràn dòng, mèo đè chữ, bảng chật ===== */
.topbar-inner{height:auto;min-height:64px;padding-top:8px;padding-bottom:8px;gap:10px 16px;flex-wrap:wrap}
.topbar > .container{max-width:1280px}
.brand{display:flex;align-items:center;gap:8px;white-space:nowrap;font-size:1.1rem}
.nav{flex:1;justify-content:flex-end;gap:8px 14px}
.nav a,.nav-wallet-balance{white-space:nowrap;font-size:.9rem}
.nav .btn-ghost{padding:6px 12px}
.falling-cats{z-index:0}
.falling-cats img{opacity:.55}
main.container,.footer{position:relative;z-index:2}
.transfer-wrap{max-width:1080px}
.transfer-card .form input{background:#fff}
.transfer-card .form input:focus{box-shadow:0 0 0 3px rgba(34,181,115,.18)}
.tf-name{background:#f3f6f4 !important}
.transfer-guide{position:sticky;top:90px}
.card:has(> .table){overflow-x:auto}
.card > .table{min-width:760px}
.card > .table th,.card > .table td{padding:10px 14px;white-space:nowrap}
.card > .table td.small{white-space:normal;min-width:120px}
.profile-tabs{flex-wrap:wrap}
@media(max-width:860px){
  .nav{justify-content:flex-start}
  .transfer-guide{position:static}
}

/* Bill: người chuyển (-) màu đỏ, người nhận (+) màu xanh */
.tf-bill-amount.tf-minus{color:var(--danger)}
.tf-bill-amount.tf-plus{color:var(--ok)}
.tf-bill-row b.tf-neg{color:var(--danger)}

/* ===== Mã PIN giao dịch ===== */
.profile-hr{border:none;border-top:1px dashed var(--line);margin:26px 0 20px}
.pin-badge{display:inline-block;font-size:.7rem;font-weight:700;border-radius:999px;padding:3px 10px;vertical-align:middle;margin-left:6px}
.pin-on{background:#e8f8ef;color:var(--ok);border:1px solid var(--line)}
.pin-off{background:#fff3f3;color:var(--danger);border:1px solid #f5c6c6}
.pin-modal{padding:22px}
.pin-input{width:100%;text-align:center;font-size:1.6rem;letter-spacing:.5em;padding:12px;border:1.5px solid var(--line);
  border-radius:14px;background:var(--card2);font-family:inherit}
.pin-input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(34,181,115,.18)}