/* =========================================================
   TOOL MARKET — Stylesheet v3
   Hướng thiết kế: "Control Panel" — bảng điều khiển công cụ số.
   Điểm nhấn: hổ phách (amber) + xanh điện (electric blue),
   font Space Grotesk cho tiêu đề, Inter cho nội dung,
   JetBrains Mono cho mã đơn/key (gợi liên tưởng "tool/code").
   ========================================================= */

:root {
  --bg: #05060a;
  --bg-soft: #0a0c14;
  --surface: #0f1220;
  --surface-2: #171b2e;
  --border: #23273e;
  --border-soft: #1a1e33;
  --text: #eef0fb;
  --text-dim: #8d92b3;
  --text-dimmer: #666b8c;

  --primary: #ffb020;      /* hổ phách — điểm nhấn chính, gợi "premium tool" */
  --primary-ink: #1a1200;
  --secondary: #3ecfff;    /* xanh điện — trạng thái/hệ thống */
  --accent: #3ecfff;       /* alias tương thích ngược */
  --danger: #ff5470;
  --warning: #ffb020;
  --success: #3ee08a;

  --radius: 14px;
  --radius-lg: 18px;
  --radius-sm: 9px;
  --shadow: 0 24px 60px rgba(0,0,0,.5);

  --font-display: 'Space Grotesk', 'Plus Jakarta Sans', sans-serif;
  --font: 'Inter', 'Segoe UI', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'SFMono-Regular', Menlo, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

html, body {
  margin: 0; padding: 0;
  background: var(--bg);
  background-image:
    radial-gradient(560px 320px at 12% -6%, rgba(255,176,32,.10), transparent 60%),
    radial-gradient(620px 380px at 100% 4%, rgba(62,207,255,.09), transparent 55%),
    repeating-linear-gradient(0deg, rgba(255,255,255,.012) 0px, rgba(255,255,255,.012) 1px, transparent 1px, transparent 34px);
  background-attachment: fixed;
  color: var(--text);
  font-family: var(--font);
  line-height: 1.6;
  font-size: 15.5px;
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; scroll-behavior: auto !important; }
}

::selection { background: var(--primary); color: var(--primary-ink); }
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--surface-2); border-radius: 10px; border: 2px solid var(--bg); }
::-webkit-scrollbar-thumb:hover { background: var(--primary); }

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
ul { list-style: none; margin: 0; padding: 0; }
h1, h2, h3, h4 { font-family: var(--font-display); letter-spacing: -.01em; font-weight: 700; }
:focus-visible { outline: 2px solid var(--secondary); outline-offset: 2px; border-radius: 4px; }

.mono { font-family: var(--font-mono); }

.container { width: 100%; max-width: 1180px; margin: 0 auto; padding: 0 20px; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 11px 22px; border-radius: 999px; border: 1px solid transparent;
  font-weight: 600; font-size: 14.5px; cursor: pointer; font-family: var(--font);
  transition: transform .16s cubic-bezier(.2,.9,.3,1.25), box-shadow .16s ease, background .16s ease, border-color .16s ease;
}
.btn-primary { background: linear-gradient(135deg, var(--primary), #ffd166); color: var(--primary-ink); box-shadow: 0 8px 22px rgba(255,176,32,.32); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 30px rgba(255,176,32,.45); }
.btn-primary:active { transform: translateY(0); }
.btn-outline { background: rgba(255,255,255,.03); border-color: var(--border); color: var(--text); backdrop-filter: blur(6px); }
.btn-outline:hover { border-color: var(--secondary); color: #fff; background: rgba(62,207,255,.1); transform: translateY(-1px); }
.btn-accent { background: linear-gradient(135deg, var(--secondary), #7fe3ff); color: #012230; box-shadow: 0 8px 20px rgba(62,207,255,.3); }
.btn-accent:hover { transform: translateY(-2px); }
.btn-danger { background: linear-gradient(135deg, var(--danger), #ff8aa3); color: #fff; box-shadow: 0 8px 18px rgba(255,84,112,.28); }
.btn-danger:hover { transform: translateY(-2px); }
.btn-sm { padding: 7px 15px; font-size: 12.5px; }
.btn-block { width: 100%; }

/* ---------- Navbar ---------- */
.navbar { position: sticky; top: 0; z-index: 50; background: rgba(5,6,10,.78); backdrop-filter: blur(18px) saturate(140%); border-bottom: 1px solid var(--border-soft); }
.navbar-inner { display: flex; align-items: center; justify-content: space-between; padding: 15px 0; gap: 16px; }
.logo { display: flex; align-items: center; gap: 9px; font-family: var(--font-display); font-weight: 700; font-size: 19px; }
.logo .dot { width: 11px; height: 11px; border-radius: 3px; background: var(--primary); box-shadow: 0 0 0 3px rgba(255,176,32,.18), 0 0 16px rgba(255,176,32,.55); display: inline-block; }
.nav-links { display: flex; align-items: center; gap: 22px; overflow-x: auto; scrollbar-width: none; }
.nav-links::-webkit-scrollbar { display: none; }
.nav-links a { color: var(--text-dim); font-weight: 500; font-size: 14px; white-space: nowrap; position: relative; transition: color .15s; }
.nav-links a:hover, .nav-links a.active { color: var(--text); }
.nav-links a.active::after { content: ''; position: absolute; left: 0; right: 0; bottom: -17px; height: 2px; background: var(--primary); border-radius: 2px; }
.nav-actions { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.badge-role { font-size: 11px; padding: 2px 8px; border-radius: 999px; background: var(--surface-2); color: var(--secondary); border: 1px solid var(--border); margin-left: 6px; }

/* ---------- Hero ("boot sequence" của control panel) ---------- */
.hero { padding: 70px 0 44px; text-align: center; }
.hero-eyebrow {
  display: inline-flex; align-items: center; gap: 9px;
  font-family: var(--font-mono); font-size: 12.5px; color: var(--secondary);
  background: rgba(62,207,255,.08); border: 1px solid rgba(62,207,255,.25);
  padding: 6px 14px; border-radius: 999px; margin-bottom: 22px;
}
.hero-eyebrow .cursor { width: 7px; height: 13px; background: var(--secondary); display: inline-block; animation: blink 1s step-end infinite; }
@keyframes blink { 50% { opacity: 0; } }
.hero h1 { font-size: 45px; margin: 0 0 16px; font-weight: 700; line-height: 1.12; }
.hero h1 span {
  background: linear-gradient(100deg, var(--primary), var(--secondary), var(--primary));
  background-size: 200% auto;
  -webkit-background-clip: text; background-clip: text; color: transparent;
  animation: gradient-shift 5s linear infinite;
}
@keyframes gradient-shift { to { background-position: 200% center; } }
.hero p { color: var(--text-dim); max-width: 580px; margin: 0 auto 28px; font-size: 16px; }

.stat-ticker {
  display: flex; justify-content: center; gap: 28px; flex-wrap: wrap;
  font-family: var(--font-mono); font-size: 12.5px; color: var(--text-dimmer);
  padding: 14px 0 6px; border-top: 1px dashed var(--border); margin-top: 30px;
}
.stat-ticker b { color: var(--text); font-weight: 600; }
.stat-ticker .live-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--success); display: inline-block; margin-right: 6px; box-shadow: 0 0 8px var(--success); animation: pulse-dot 1.8s ease-in-out infinite; }
@keyframes pulse-dot { 0%,100% { opacity: 1; } 50% { opacity: .35; } }

/* ---------- Cards / Grid ---------- */
.section-title { display: flex; align-items: baseline; justify-content: space-between; margin: 46px 0 18px; }
.section-title h2 { font-size: 21px; margin: 0; }
.section-title p { color: var(--text-dim); font-size: 13.5px; margin: 0; font-family: var(--font-mono); }

.grid { display: grid; gap: 18px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 900px) { .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .grid-3, .grid-4 { grid-template-columns: 1fr; } }

.card {
  background: linear-gradient(180deg, var(--surface), var(--bg-soft));
  border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden;
  transition: transform .2s cubic-bezier(.2,.9,.3,1.1), border-color .2s ease, box-shadow .2s ease;
  position: relative;
}
.card::before {
  content: ''; position: absolute; inset: -1px; border-radius: inherit; padding: 1px;
  background: linear-gradient(120deg, transparent, rgba(255,176,32,.5), rgba(62,207,255,.5), transparent);
  background-size: 250% 250%;
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor; mask-composite: exclude;
  opacity: 0; transition: opacity .3s ease;
  pointer-events: none;
}
.card:hover::before { opacity: 1; animation: card-sweep 2.5s linear infinite; }
@keyframes card-sweep { to { background-position: 250% 250%; } }
.card:hover { transform: translateY(-4px); border-color: rgba(255,176,32,.4); box-shadow: 0 16px 36px rgba(0,0,0,.4); }

.product-thumb { aspect-ratio: 16/10; background: linear-gradient(135deg, #14182c, #0a0c16); display: flex; align-items: center; justify-content: center; color: var(--text-dimmer); font-family: var(--font-mono); font-size: 12.5px; overflow: hidden; }
.product-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .45s ease; }
.card:hover .product-thumb img { transform: scale(1.06); }
.product-body { padding: 17px; }
.product-cat { font-family: var(--font-mono); font-size: 11px; color: var(--secondary); text-transform: uppercase; letter-spacing: .04em; }
.product-title { font-family: var(--font-display); font-size: 16px; font-weight: 600; margin: 7px 0 6px; }
.product-desc { color: var(--text-dim); font-size: 13.5px; min-height: 38px; }
.product-footer { display: flex; align-items: center; justify-content: space-between; margin-top: 14px; }
.price { font-family: var(--font-mono); font-weight: 700; font-size: 16px; color: var(--primary); }
.price-old { color: var(--text-dimmer); text-decoration: line-through; font-size: 12.5px; font-weight: 500; margin-right: 6px; font-family: var(--font-mono); }

/* ---------- Forms ---------- */
.auth-wrap { max-width: 430px; margin: 60px auto; padding: 36px; background: linear-gradient(180deg, var(--surface), var(--bg-soft)); border: 1px solid var(--border); border-radius: var(--radius-lg); box-shadow: var(--shadow); }
.auth-wrap h2 { margin-top: 0; text-align: center; }
.auth-sub { text-align: center; color: var(--text-dim); font-size: 13.5px; margin-bottom: 24px; }
.form-group { margin-bottom: 16px; }
.form-group label { display: block; font-size: 13px; margin-bottom: 6px; color: var(--text-dim); font-weight: 500; }
.form-control {
  width: 100%; padding: 12px 14px; border-radius: var(--radius-sm);
  border: 1px solid var(--border); background: var(--bg-soft); color: var(--text);
  font-family: var(--font); font-size: 14.5px; transition: border-color .15s, box-shadow .15s;
}
.form-control:focus { outline: none; border-color: var(--secondary); box-shadow: 0 0 0 3px rgba(62,207,255,.15); }
textarea.form-control { resize: vertical; min-height: 110px; }
.form-hint { font-size: 12px; color: var(--text-dimmer); margin-top: 5px; }
.form-row { display: flex; gap: 14px; }
.form-row .form-group { flex: 1; }
.auth-switch { text-align: center; margin-top: 18px; font-size: 13.5px; color: var(--text-dim); }
.auth-switch a { color: var(--primary); font-weight: 600; }

/* ---------- Alerts ---------- */
.alert { padding: 13px 16px; border-radius: var(--radius-sm); font-size: 14px; margin-bottom: 18px; border: 1px solid transparent; backdrop-filter: blur(6px); }
.alert-success { background: rgba(62,224,138,.1); border-color: rgba(62,224,138,.35); color: #6df0a8; }
.alert-error { background: rgba(255,84,112,.1); border-color: rgba(255,84,112,.35); color: #ff8ba1; }
.alert-info { background: rgba(62,207,255,.1); border-color: rgba(62,207,255,.35); color: #8fe0ff; }

/* ---------- Tables ---------- */
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); }
table { width: 100%; border-collapse: collapse; min-width: 640px; }
th, td { padding: 13px 16px; text-align: left; font-size: 13.5px; border-bottom: 1px solid var(--border-soft); }
th { background: var(--surface-2); color: var(--text-dim); font-weight: 600; text-transform: uppercase; font-size: 10.5px; letter-spacing: .05em; font-family: var(--font-mono); }
tr:last-child td { border-bottom: none; }
tr:hover td { background: rgba(255,176,32,.04); }

.pill { display: inline-block; padding: 3px 12px; border-radius: 999px; font-size: 11.5px; font-weight: 700; font-family: var(--font-mono); }
.pill-pending { background: rgba(255,176,32,.14); color: var(--warning); }
.pill-paid { background: rgba(62,207,255,.14); color: var(--secondary); }
.pill-completed { background: rgba(62,224,138,.14); color: var(--success); }
.pill-rejected, .pill-cancelled { background: rgba(255,84,112,.14); color: #ff8ba1; }
.pill-active { background: rgba(62,224,138,.14); color: var(--success); }
.pill-banned, .pill-inactive { background: rgba(255,84,112,.14); color: #ff8ba1; }
.pill-admin { background: rgba(255,176,32,.14); color: var(--primary); }
.pill-user { background: var(--surface-2); color: var(--text-dim); }

/* ---------- Admin layout ---------- */
.admin-layout { display: flex; min-height: 100vh; }
.admin-sidebar { width: 250px; background: var(--surface); border-right: 1px solid var(--border); padding: 22px 0; flex-shrink: 0; }
.admin-sidebar .logo { padding: 0 22px 22px; border-bottom: 1px solid var(--border); margin-bottom: 14px; }
.admin-sidebar a { display: flex; align-items: center; gap: 10px; padding: 11px 22px; color: var(--text-dim); font-size: 13.5px; font-weight: 500; border-left: 3px solid transparent; transition: all .15s; }
.admin-sidebar a:hover { background: var(--surface-2); color: var(--text); }
.admin-sidebar a.active { color: var(--text); border-left-color: var(--primary); background: linear-gradient(90deg, rgba(255,176,32,.1), transparent); }
.admin-main { flex: 1; padding: 30px; max-width: calc(100% - 250px); }
.admin-topbar { display: flex; align-items: center; justify-content: space-between; margin-bottom: 26px; flex-wrap: wrap; gap: 10px; }
.admin-topbar h1 { font-size: 22px; margin: 0; }

.stat-cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-bottom: 30px; }
@media (max-width: 900px) { .stat-cards { grid-template-columns: repeat(2, 1fr); } .admin-layout { flex-direction: column; } .admin-sidebar { width: 100%; } .admin-main { max-width: 100%; } }
.stat-card { background: linear-gradient(180deg, var(--surface), var(--bg-soft)); border: 1px solid var(--border); border-radius: var(--radius); padding: 19px; transition: transform .2s; }
.stat-card:hover { transform: translateY(-3px); }
.stat-card .num { font-family: var(--font-mono); font-size: 25px; font-weight: 700; }
.stat-card .label { color: var(--text-dim); font-size: 12.5px; margin-top: 4px; }

.toolbar { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin-bottom: 18px; flex-wrap: wrap; }
.search-box input { min-width: 260px; }

footer { border-top: 1px solid var(--border-soft); margin-top: 70px; padding: 30px 0; color: var(--text-dimmer); font-size: 13px; text-align: center; font-family: var(--font-mono); }

.proof-img { max-width: 260px; border-radius: var(--radius-sm); border: 1px solid var(--border); }

.empty-state { text-align: center; padding: 60px 20px; color: var(--text-dim); font-family: var(--font-mono); font-size: 13.5px; }

/* ---------- Hiệu ứng ripple ---------- */
.ripple-fx { position: absolute; border-radius: 50%; background: rgba(255,255,255,.3); transform: scale(0); animation: ripple-anim .6s ease-out; pointer-events: none; }
@keyframes ripple-anim { to { transform: scale(2.5); opacity: 0; } }

/* ---------- Nút nhạc nền ---------- */
.music-btn {
  width: 50px; height: 50px; border-radius: 50%; border: 1px solid var(--border);
  background: linear-gradient(135deg, var(--surface), var(--surface-2)); color: var(--text); font-size: 19px; cursor: pointer;
  box-shadow: var(--shadow); display: flex; align-items: center; justify-content: center; transition: transform .2s;
}
.music-btn:hover { transform: scale(1.1) rotate(8deg); }

/* ---------- Badge giỏ hàng ---------- */
.cart-badge { position: absolute; top: -6px; right: -6px; background: var(--danger); color: #fff; font-family: var(--font-mono); font-size: 10px; font-weight: 700; border-radius: 999px; min-width: 17px; height: 17px; display: flex; align-items: center; justify-content: center; padding: 0 3px; box-shadow: 0 0 0 2px var(--bg); }

/* ---------- Banner slider trang chủ ---------- */
.hero-slider { position: relative; border-radius: var(--radius-lg); overflow: hidden; margin-bottom: 10px; border: 1px solid var(--border); box-shadow: var(--shadow); }
.hero-slide { display: none; position: relative; aspect-ratio: 21/7; }
.hero-slide.active { display: block; animation: fade-in .5s ease; }
@keyframes fade-in { from { opacity: 0; } to { opacity: 1; } }
.hero-slide img { width: 100%; height: 100%; object-fit: cover; }
.hero-slide-caption { position: absolute; left: 0; bottom: 0; padding: 26px; background: linear-gradient(0deg, rgba(0,0,0,.75), transparent); width: 100%; }
.hero-slide-caption h3 { margin: 0 0 4px; font-size: 20px; color: #fff; }
.hero-slide-caption p { margin: 0; color: #ddd; font-size: 13px; font-family: var(--font); }
.hero-dots { position: absolute; bottom: 12px; right: 18px; display: flex; gap: 6px; }
.hero-dot { width: 7px; height: 7px; border-radius: 50%; background: rgba(255,255,255,.4); cursor: pointer; transition: all .2s; }
.hero-dot.active { background: var(--primary); width: 20px; border-radius: 4px; }
@media (max-width: 700px) { .hero-slide { aspect-ratio: 4/3; } }

/* ---------- Badge sản phẩm ---------- */
.product-badge { position: absolute; top: 12px; left: 12px; z-index: 2; font-family: var(--font-mono); font-size: 10.5px; font-weight: 700; padding: 4px 11px; border-radius: 999px; box-shadow: 0 4px 12px rgba(0,0,0,.35); }
.badge-hot { background: linear-gradient(135deg, var(--danger), #ff8a5c); color: #fff; }
.badge-new { background: linear-gradient(135deg, var(--secondary), #7fe3ff); color: #012230; }

/* ---------- Trạng thái kết nối (badge nhỏ ở đầu trang) ---------- */
.uptime-strip { background: var(--bg-soft); border-bottom: 1px solid var(--border-soft); padding: 6px 0; font-family: var(--font-mono); font-size: 11.5px; color: var(--text-dimmer); text-align: center; }

/* ---------- Chế độ Sáng (Light theme) ---------- */
[data-theme="light"] {
  --bg: #f6f5f2;
  --bg-soft: #ffffff;
  --surface: #ffffff;
  --surface-2: #eeecf6;
  --border: #e2e0f0;
  --border-soft: #ebe9f6;
  --text: #17182b;
  --text-dim: #5b5e7a;
  --text-dimmer: #8a8daa;
  --primary-ink: #1a1200;
  --shadow: 0 20px 50px rgba(30,20,60,.12);
}
[data-theme="light"] html, [data-theme="light"] body {
  background-image:
    radial-gradient(560px 320px at 12% -6%, rgba(255,176,32,.14), transparent 60%),
    radial-gradient(620px 380px at 100% 4%, rgba(62,207,255,.12), transparent 55%),
    repeating-linear-gradient(0deg, rgba(0,0,0,.015) 0px, rgba(0,0,0,.015) 1px, transparent 1px, transparent 34px);
}
[data-theme="light"] .navbar { background: rgba(246,245,242,.82); }
[data-theme="light"] ::-webkit-scrollbar-track { background: var(--bg); }
[data-theme="light"] .btn-outline { background: rgba(0,0,0,.03); }
[data-theme="light"] .hero-eyebrow { background: rgba(62,207,255,.1); }

.theme-toggle-btn {
  position: fixed; bottom: 22px; right: 96px; z-index: 100;
  width: 50px; height: 50px; border-radius: 50%; border: 1px solid var(--border);
  background: linear-gradient(135deg, var(--surface), var(--surface-2)); color: var(--text); font-size: 19px; cursor: pointer;
  box-shadow: var(--shadow); display: flex; align-items: center; justify-content: center; transition: transform .2s;
}
.theme-toggle-btn:hover { transform: scale(1.1) rotate(-8deg); }

/* ---------- Nền ambient — quả cầu ánh sáng trôi nổi (toàn trang) ---------- */
.ambient-bg { position: fixed; inset: 0; z-index: -1; overflow: hidden; pointer-events: none; }
.ambient-orb { position: absolute; border-radius: 50%; filter: blur(70px); opacity: .35; }
.ambient-orb.o1 { width: 420px; height: 420px; background: var(--primary); top: -10%; left: -8%; animation: orb-float-1 22s ease-in-out infinite; }
.ambient-orb.o2 { width: 380px; height: 380px; background: var(--secondary); top: 40%; right: -10%; animation: orb-float-2 26s ease-in-out infinite; }
.ambient-orb.o3 { width: 300px; height: 300px; background: #7c5cff; bottom: -12%; left: 30%; animation: orb-float-3 30s ease-in-out infinite; opacity: .22; }
@keyframes orb-float-1 { 0%,100% { transform: translate(0,0) scale(1); } 50% { transform: translate(60px,80px) scale(1.15); } }
@keyframes orb-float-2 { 0%,100% { transform: translate(0,0) scale(1); } 50% { transform: translate(-70px,-40px) scale(1.1); } }
@keyframes orb-float-3 { 0%,100% { transform: translate(0,0) scale(1); } 50% { transform: translate(40px,-60px) scale(1.2); } }
@media (prefers-reduced-motion: reduce) { .ambient-orb { animation: none; } }
@media (max-width: 700px) { .ambient-orb { filter: blur(50px); opacity: .22; } }

/* ---------- Canvas mạng lưới AI trong hero ---------- */
.hero { position: relative; }
#hero-network { position: absolute; inset: 0; z-index: 0; opacity: .55; pointer-events: none; }
.hero > * { position: relative; z-index: 1; }

/* ---------- Visualizer nhạc nền ---------- */
.music-wrap { position: fixed; bottom: 22px; right: 22px; z-index: 100; display: flex; align-items: center; gap: 8px; }
.music-visualizer { display: flex; align-items: flex-end; gap: 2px; height: 22px; }
.music-visualizer span { width: 3px; background: linear-gradient(180deg, var(--primary), var(--secondary)); border-radius: 2px; height: 4px; transition: height .08s ease; }