/* ============ ThocStore - giao diện dùng chung (sáng/tối) ============ */
:root, [data-theme="dark"]{
  --bg:#0f1220; --bg2:#161a2e; --card:#1c2138; --line:#2a3052;
  --txt:#e8eaf2; --muted:#9aa0bd; --pri:#6c5ce7; --pri2:#8b7bff;
  --ok:#26c281; --warn:#f0a830; --danger:#e74c6f; --thoc:#f5c542;
  --input-bg:#0e1224; --code-bg:#0c0f1d; --th-bg:#11152a; --thumb-bg:#0c0f1d;
  --panel:rgba(15,18,32,.85);
  --radius:14px; --shadow:0 8px 30px rgba(0,0,0,.35);
}
[data-theme="light"]{
  --bg:#eef1f8; --bg2:#ffffff; --card:#ffffff; --line:#e2e7f1;
  --txt:#1b2130; --muted:#5d6680; --pri:#6c5ce7; --pri2:#7b68ff;
  --ok:#13a06a; --warn:#c4810f; --danger:#d83a60; --thoc:#b07d09;
  --input-bg:#f6f8fc; --code-bg:#f3f5fb; --th-bg:#f4f6fb; --thumb-bg:#eef1f8;
  --panel:rgba(255,255,255,.9);
  --shadow:0 6px 24px rgba(25,35,70,.08);
}
*{box-sizing:border-box}
body{margin:0;font-family:"Segoe UI",system-ui,-apple-system,Roboto,Arial,sans-serif;
  background:var(--bg);color:var(--txt);min-height:100vh;line-height:1.55;transition:background .2s,color .2s}
a{color:var(--pri2);text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%}

/* ---- Topbar ---- */
.topbar{display:flex;align-items:center;gap:14px 18px;padding:14px 28px;background:var(--panel);flex-wrap:wrap;
  backdrop-filter:blur(8px);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}
.brand{font-weight:800;font-size:20px;letter-spacing:.3px;display:flex;align-items:center;gap:9px;color:var(--txt);flex-shrink:0;white-space:nowrap}
.brand .logo{width:30px;height:30px;border-radius:8px;background:linear-gradient(135deg,var(--pri),var(--thoc));
  display:grid;place-items:center;font-size:16px}
/* Icon hạt thóc (SVG) thay cho emoji cây lúa 🌾 */
.thoc-ico{width:1em;height:1em;display:inline-block;vertical-align:-.16em;color:var(--thoc);flex:0 0 auto}
.brand .logo .thoc-ico{width:18px;height:18px;color:#fff;vertical-align:0}
.brand-logo{width:34px;height:34px;border-radius:8px;object-fit:contain;flex:0 0 auto;display:block}
.brand-name{display:flex;flex-direction:column;line-height:1.06}
.brand-name .bn-main{font-weight:800}
.brand-name .bn-sub{font-size:.6em;font-weight:800;letter-spacing:2.5px;text-transform:uppercase;color:var(--thoc)}
.topbar nav{display:flex;gap:6px;flex-wrap:wrap}
.topbar nav a{padding:7px 13px;border-radius:9px;color:var(--muted);font-weight:600;font-size:14px}
.topbar nav a:hover,.topbar nav a.active{background:var(--card);color:var(--txt);text-decoration:none}
.topbar .spacer{flex:1}
.balance-chip{background:rgba(245,197,66,.12);border:1px solid rgba(245,197,66,.4);color:var(--thoc);
  padding:6px 13px;border-radius:20px;font-weight:700;font-size:13px;white-space:nowrap}

/* ---- Theme toggle + lang switch ---- */
.icon-btn{width:36px;height:36px;border-radius:9px;border:1px solid var(--line);background:var(--card);
  color:var(--txt);cursor:pointer;font-size:16px;display:inline-grid;place-items:center;transition:.15s}
.icon-btn:hover{filter:brightness(1.1)}
.lang-switch{display:inline-flex;border:1px solid var(--line);border-radius:9px;overflow:hidden;font-size:13px}
.lang-switch a{padding:7px 11px;color:var(--muted);font-weight:700}
.lang-switch a:hover{text-decoration:none;background:var(--card)}
.lang-switch a.active{background:var(--pri);color:#fff}

/* ---- Layout ---- */
.container{max-width:1180px;margin:0 auto;padding:28px}
.page-title{font-size:24px;font-weight:800;margin:0 0 4px}
.page-sub{color:var(--muted);margin:0 0 22px}

/* ---- Cards / grid ---- */
.grid{display:grid;gap:18px}
.grid.cols-3{grid-template-columns:repeat(auto-fill,minmax(280px,1fr))}
.grid.cols-4{grid-template-columns:repeat(auto-fill,minmax(210px,1fr))}
.product-grid{grid-template-columns:minmax(0,1.1fr) minmax(0,1fr)}
.topup-grid{grid-template-columns:minmax(0,320px) minmax(0,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
.card .body{padding:18px}

/* ---- Product card ---- */
.product{display:flex;flex-direction:column;overflow:hidden;transition:.18s;position:relative}
.product:hover{transform:translateY(-3px);border-color:var(--pri)}
.product .thumb{aspect-ratio:16/10;background:var(--thumb-bg);display:grid;place-items:center;overflow:hidden}
.product .thumb img{width:100%;height:100%;object-fit:cover}
.product .thumb .ph{font-size:40px;opacity:.4}
.product .body{display:flex;flex-direction:column;gap:8px;flex:1}
.product h3{margin:0;font-size:16px}
.product .desc{color:var(--muted);font-size:13px;flex:1}
.product .price{color:var(--thoc);font-weight:800;font-size:18px}
.product .meta{display:flex;justify-content:space-between;align-items:center;margin-top:auto}
.product.featured{border-color:var(--thoc);box-shadow:0 0 0 1px var(--thoc),0 14px 34px rgba(245,197,66,.16)}
.feat-ribbon{position:absolute;top:10px;left:10px;z-index:3;background:linear-gradient(135deg,#ff9d3d,#ff5e62);
  color:#fff;font-weight:800;font-size:11px;letter-spacing:.3px;padding:4px 10px;border-radius:20px;box-shadow:0 4px 12px rgba(255,94,98,.4)}
/* Bộ lọc danh mục (chips) */
.cat-chips{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 22px}
.chip{padding:7px 14px;border-radius:20px;border:1px solid var(--line);color:var(--muted);font-weight:600;font-size:13.5px;transition:.15s}
.chip:hover{color:var(--txt);border-color:var(--muted);text-decoration:none}
.chip.active{background:var(--pri);border-color:var(--pri);color:#fff}

/* ---- Buttons ---- */
.btn{display:inline-flex;align-items:center;gap:7px;justify-content:center;padding:10px 18px;border-radius:10px;
  border:1px solid transparent;font-weight:700;font-size:14px;cursor:pointer;transition:.15s;background:var(--card);color:var(--txt)}
.btn:hover{text-decoration:none;filter:brightness(1.08)}
.btn-pri{background:linear-gradient(135deg,var(--pri),var(--pri2));color:#fff}
.btn-ok{background:var(--ok);color:#fff}
.btn-warn{background:var(--warn);color:#fff}
.btn-danger{background:var(--danger);color:#fff}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--muted)}
.btn-sm{padding:6px 12px;font-size:13px}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn-block{width:100%}

/* ---- Forms ---- */
.field{margin-bottom:15px}
.field label{display:block;font-size:13px;font-weight:600;color:var(--muted);margin-bottom:6px}
.input,select,textarea{width:100%;padding:11px 13px;background:var(--input-bg);border:1px solid var(--line);
  border-radius:10px;color:var(--txt);font-size:14px;font-family:inherit}
.input:focus,select:focus,textarea:focus{outline:none;border-color:var(--pri)}
textarea{resize:vertical;min-height:90px}
.auth-box{max-width:420px;margin:50px auto}

/* ---- Tables ---- */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius)}
table{width:100%;border-collapse:collapse;font-size:14px}
th,td{padding:11px 14px;text-align:left;border-bottom:1px solid var(--line)}
th{background:var(--th-bg);color:var(--muted);font-weight:600;font-size:12px;text-transform:uppercase;letter-spacing:.4px}
tbody tr:hover{background:rgba(108,92,231,.06)}
td.num,th.num{text-align:right;font-variant-numeric:tabular-nums}
.key-code{font-family:Consolas,monospace;background:var(--code-bg);border:1px solid var(--line);
  padding:3px 8px;border-radius:6px;color:var(--thoc);font-size:13px}

/* ---- Badges ---- */
.badge{display:inline-block;padding:3px 10px;border-radius:20px;font-size:12px;font-weight:700}
.badge-ok{background:rgba(38,194,129,.15);color:var(--ok)}
.badge-off{background:rgba(154,160,189,.18);color:var(--muted)}
.badge-warn{background:rgba(240,168,48,.15);color:var(--warn)}
.badge-danger{background:rgba(231,76,111,.15);color:var(--danger)}

/* ---- Alerts / flash ---- */
.alert{padding:13px 16px;border-radius:10px;margin-bottom:18px;font-size:14px;border:1px solid}
.alert-success{background:rgba(38,194,129,.1);border-color:rgba(38,194,129,.4);color:var(--ok)}
.alert-error{background:rgba(231,76,111,.1);border-color:rgba(231,76,111,.4);color:var(--danger)}
.alert-info{background:rgba(108,92,231,.1);border-color:rgba(108,92,231,.4);color:var(--pri2)}

/* ---- Stat cards (dashboard) ---- */
.stats{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px;margin-bottom:24px}
.stat{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow)}
.stat .label{color:var(--muted);font-size:13px;font-weight:600}
.stat .value{font-size:26px;font-weight:800;margin-top:6px}
.stat .value.thoc{color:var(--thoc)}

/* ---- Admin sidebar layout ---- */
.admin-wrap{display:flex;min-height:100vh}
.sidebar{width:230px;background:var(--bg2);border-right:1px solid var(--line);padding:20px 14px;flex-shrink:0}
.sidebar .brand{margin:0 8px 22px;font-size:18px}
.sidebar a{display:flex;align-items:center;gap:10px;padding:10px 13px;border-radius:10px;color:var(--muted);
  font-weight:600;font-size:14px;margin-bottom:3px}
.sidebar a:hover,.sidebar a.active{background:var(--card);color:var(--txt);text-decoration:none}
.admin-main{flex:1;min-width:0}
.admin-topbar{display:flex;align-items:center;padding:13px 28px;border-bottom:1px solid var(--line);
  background:var(--panel);gap:14px}
.admin-topbar .spacer{flex:1}

.muted{color:var(--muted)}
.right{text-align:right}
.center{text-align:center}
.mt{margin-top:18px}
.flex{display:flex;gap:10px;align-items:center}
.flex-wrap{flex-wrap:wrap}
.hr{height:1px;background:var(--line);border:0;margin:20px 0}
.empty{text-align:center;padding:50px 20px;color:var(--muted)}
.empty .ico{font-size:46px;opacity:.5;margin-bottom:10px}

@media(max-width:760px){
  .sidebar{display:none}
  .container{padding:18px}
  .product-grid,.topup-grid{grid-template-columns:1fr}   /* mobile: xếp dọc 1 cột */
}

/* ============ Landing trang chủ ============ */
.hero{position:relative;text-align:center;padding:74px 20px 56px;overflow:hidden}
.hero::before{content:"";position:absolute;left:50%;top:-10%;width:900px;height:520px;transform:translateX(-50%);
  background:radial-gradient(circle,rgba(108,92,231,.30),transparent 62%);pointer-events:none;z-index:0}
.hero > *{position:relative;z-index:1}
.hero .pill{display:inline-block;padding:6px 14px;border-radius:30px;border:1px solid var(--line);
  background:var(--card);color:var(--muted);font-size:13px;font-weight:600;margin-bottom:20px}
.hero h1{font-size:46px;font-weight:900;line-height:1.12;margin:0 auto 18px;max-width:840px;
  background:linear-gradient(120deg,var(--pri2),var(--txt) 45%,var(--thoc));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .lead{font-size:18px;color:var(--muted);max-width:680px;margin:0 auto 30px;line-height:1.7}
.hero-cta{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}
.btn-lg{padding:14px 26px;font-size:15px;border-radius:12px}
.hero-badges{display:flex;gap:22px;justify-content:center;flex-wrap:wrap;margin-top:34px;color:var(--muted);font-size:14px;font-weight:600}
.hero-badges span{display:inline-flex;align-items:center;gap:7px}

.section{padding:54px 0}
.section-alt{background:var(--bg2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{text-align:center;max-width:660px;margin:0 auto 38px}
.section-head .eyebrow{color:var(--pri2);font-weight:800;font-size:12.5px;letter-spacing:1.5px;text-transform:uppercase}
.section-head h2{font-size:30px;font-weight:800;margin:10px 0 10px}
.section-head p{color:var(--muted);margin:0;line-height:1.7}

.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:18px}
.feature{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px;transition:.18s}
.feature:hover{transform:translateY(-4px);border-color:var(--pri);box-shadow:var(--shadow)}
.feature .ic{width:50px;height:50px;border-radius:13px;display:grid;place-items:center;font-size:24px;
  background:rgba(108,92,231,.16);margin-bottom:15px}
.feature h3{margin:0 0 7px;font-size:17px}
.feature p{margin:0;color:var(--muted);font-size:14px;line-height:1.65}

.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:18px}
.step{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.step .n{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;font-weight:800;font-size:17px;
  color:#fff;background:linear-gradient(135deg,var(--pri),var(--pri2));margin-bottom:14px}
.step h3{margin:0 0 7px;font-size:16px}
.step p{margin:0;color:var(--muted);font-size:14px;line-height:1.6}

.cta-band{position:relative;overflow:hidden;border:1px solid var(--line);border-radius:20px;padding:48px 30px;text-align:center;
  background:linear-gradient(135deg,rgba(108,92,231,.20),rgba(245,197,66,.07))}
.cta-band h2{font-size:28px;font-weight:800;margin:0 0 10px}
.cta-band p{color:var(--muted);margin:0 auto 22px;max-width:560px}
.contact-row{display:flex;gap:12px;justify-content:center;flex-wrap:wrap}

@media(max-width:600px){ .hero h1{font-size:32px} .section-head h2{font-size:24px} .hero{padding:50px 16px 40px}
  .topbar{padding:12px 16px;gap:10px 12px} .brand{font-size:17px} .brand .logo{width:26px;height:26px} .brand-logo{width:28px;height:28px} }

/* Video demo nhúng YouTube (responsive 16:9) */
.video-embed{position:relative;width:100%;aspect-ratio:16/9;border-radius:12px;overflow:hidden;background:#000}
.video-embed iframe{position:absolute;inset:0;width:100%;height:100%;border:0}

/* Nút liên hệ nổi (Zalo / Facebook / Hotline) */
.contact-fab{position:fixed;right:18px;bottom:18px;z-index:300;display:flex;flex-direction:column;gap:14px}
.cfab{width:52px;height:52px;border-radius:50%;display:grid;place-items:center;color:#fff;
  box-shadow:0 6px 18px rgba(0,0,0,.28);transition:transform .15s;position:relative;text-decoration:none}
.cfab:hover{transform:scale(1.09)}
.cfab svg{width:27px;height:27px;fill:#fff}
.cfab-zalo-txt{font-weight:800;font-size:15px;letter-spacing:.2px}
.cfab-zalo{background:#0068ff;--cfc:#0068ff}
.cfab-fb{background:#1877f2;--cfc:#1877f2}
.cfab-phone{background:#21c063;--cfc:#21c063}
.cfab::after{content:"";position:absolute;inset:0;border-radius:50%;animation:cfabPulse 1.9s ease-out infinite;pointer-events:none}
@keyframes cfabPulse{0%{box-shadow:0 0 0 0 var(--cfc)}70%{box-shadow:0 0 0 13px transparent}100%{box-shadow:0 0 0 0 transparent}}
.cfab-tip{position:absolute;right:60px;top:50%;transform:translateY(-50%);background:#1f2430;color:#fff;
  padding:6px 11px;border-radius:8px;font-size:13px;font-weight:600;white-space:nowrap;opacity:0;
  pointer-events:none;transition:opacity .15s;box-shadow:0 4px 12px rgba(0,0,0,.25)}
.cfab:hover .cfab-tip{opacity:1}
@media(max-width:600px){ .contact-fab{right:12px;bottom:12px;gap:12px} .cfab{width:48px;height:48px} }

/* Thanh thông báo chạy (live social proof) */
.cust-content-top{display:flex;align-items:stretch;position:sticky;top:0;z-index:60}
.sb-toggle{position:fixed;top:20%;left:214px;transform:translateY(-50%);width:32px;height:32px;border-radius:50%;border:1px solid var(--line);
  background:var(--card);color:var(--txt);display:grid;place-items:center;cursor:pointer;z-index:90;
  box-shadow:0 3px 12px rgba(0,0,0,.45);transition:left .25s ease,background .15s,color .15s,border-color .15s}
.sb-toggle:hover{background:var(--pri);color:#fff;border-color:var(--pri)}
.sb-toggle svg{transition:transform .25s ease}
.live-ticker{background:linear-gradient(90deg,rgba(108,92,231,.14),rgba(138,124,255,.07));color:var(--muted);
  overflow:hidden;white-space:nowrap;position:relative;flex:1;min-width:0;border-bottom:1px solid var(--line);backdrop-filter:blur(6px)}
.lt-track{display:inline-block;padding:5px 0;animation:lt-scroll 38s linear infinite;will-change:transform}
.live-ticker:hover .lt-track{animation-play-state:paused}
.lt-item{display:inline-block;padding:0 15px;font-size:12.5px;font-weight:600;position:relative}
.lt-item b{font-weight:800;color:var(--txt)}
.lt-item::after{content:"•";position:absolute;right:-3px;opacity:.32}
@keyframes lt-scroll{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* Bảng xác nhận (modal) thay confirm() mặc định */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.55);display:none;align-items:center;justify-content:center;z-index:300;backdrop-filter:blur(3px);padding:20px}
.modal-overlay.show{display:flex}
.modal-box{background:var(--card);border:1px solid var(--line);border-radius:16px;max-width:390px;width:100%;padding:26px 24px;
  box-shadow:0 24px 70px rgba(0,0,0,.5);text-align:center;animation:modalIn .2s ease}
.modal-box .m-ico{font-size:42px;line-height:1;margin-bottom:10px}
.modal-box h3{margin:0 0 8px;font-size:19px}
.modal-box p{margin:0 0 22px;color:var(--muted);line-height:1.6}
.modal-box .m-actions{display:flex;gap:10px;justify-content:center}
.modal-box .m-actions .btn{min-width:120px}
@keyframes modalIn{from{opacity:0;transform:translateY(12px) scale(.96)}to{opacity:1;transform:none}}

/* Biểu đồ tăng trưởng (admin dashboard) */
.chart-tabs{display:flex;gap:4px;background:var(--bg2);border:1px solid var(--line);border-radius:10px;padding:3px}
.chart-tab{border:0;background:transparent;color:var(--muted);font-weight:600;font-size:13px;padding:6px 16px;border-radius:8px;cursor:pointer;transition:.15s}
.chart-tab.active{background:var(--pri);color:#fff}
.chart{display:flex;align-items:flex-end;gap:6px;height:240px;padding-top:18px}
.bar-col{flex:1;min-width:0;display:flex;flex-direction:column;justify-content:flex-end;align-items:center;height:100%;gap:6px}
.bar{width:72%;max-width:46px;background:linear-gradient(180deg,var(--pri),var(--pri2,#8a7cff));border-radius:6px 6px 0 0;transition:height .4s ease,filter .15s;min-height:2px}
.bar-col:hover .bar{filter:brightness(1.18)}
.bar-val{font-size:10px;color:var(--txt);font-weight:700;white-space:nowrap}
.bar-lbl{font-size:11px;color:var(--muted);white-space:nowrap}

/* ===== Layout khách (sidebar trái) ===== */
.cust-wrap{min-height:100vh}
.cust-sidebar{position:fixed;left:0;top:0;width:230px;height:100vh;display:flex;flex-direction:column;overflow-y:auto;z-index:70;transition:transform .25s ease}
.cust-sidebar .brand{font-size:18px}
.cust-nav{display:flex;flex-direction:column;gap:4px}
.cust-nav a{display:flex;align-items:center;gap:10px;padding:11px 13px;border-radius:10px;color:var(--muted);font-weight:600;font-size:14.5px}
.cust-nav a:hover,.cust-nav a.active{background:var(--card);color:var(--txt);text-decoration:none}
.cust-side-bottom{margin-top:auto;padding-top:16px}
.side-tools{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:14px}
.side-user{border-top:1px solid var(--line);padding-top:12px}
.cust-main{min-width:0;display:flex;flex-direction:column;margin-left:230px;transition:margin-left .25s ease}
.cust-main .container{flex:1;max-width:none;margin:0;padding:26px 34px}
.cust-mtop{display:none}
.cust-overlay{display:none}
/* Thu gọn sidebar (desktop) khi bấm nút ☰ */
html.sb-collapsed .cust-sidebar{transform:translateX(-100%)}
html.sb-collapsed .cust-main{margin-left:0}
html.sb-collapsed .sb-toggle{left:12px}
html.sb-collapsed .sb-toggle svg{transform:rotate(180deg)}
html.sb-collapsed .live-ticker{padding-left:48px}

@media(max-width:860px){
  .cust-wrap{display:block}
  .cust-mtop{display:flex;align-items:center;gap:12px;padding:11px 16px;background:var(--panel);
    border-bottom:1px solid var(--line);position:sticky;top:0;z-index:100;backdrop-filter:blur(8px)}
  .cust-mtop .brand{font-size:17px}
  .cust-mtop .icon-btn{font-size:20px}
  .cust-wrap .cust-sidebar{position:fixed;left:0;top:0;height:100vh;width:250px;z-index:130;
    transform:translateX(-100%);transition:transform .25s ease;display:flex}
  body.cust-nav-open .cust-sidebar{transform:translateX(0);box-shadow:0 14px 50px rgba(0,0,0,.55)}
  body.cust-nav-open .cust-overlay{display:block;position:fixed;inset:0;background:rgba(0,0,0,.55);z-index:120}
  .cust-main{width:100%;margin-left:0}
  .sb-toggle{display:none}
}