/* ============================================
   VINHMATH — LINH KIỆN GIAO DIỆN DÙNG CHUNG
   (nút, ô nhập, thẻ, nhãn, bảng…)
   Mọi trang đều nhập file này + tokens.css
   ============================================ */

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg);color:var(--ink);
  font-family:var(--font-sans);font-size:16px;line-height:1.65;
  transition:background .25s,color .25s;
  -webkit-font-smoothing:antialiased;
}
h1{font-size:2.1rem;font-weight:700;letter-spacing:-.02em;line-height:1.25}
h2{font-size:1.5rem;font-weight:600;letter-spacing:-.01em}
h3{font-size:1.17rem;font-weight:600}
p{color:var(--ink-2)}
a{color:inherit}
img{max-width:100%;display:block}

/* ---- Thanh đầu trang ---- */
.topbar{
  position:sticky;top:0;z-index:50;
  background:color-mix(in srgb,var(--bg) 88%,transparent);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.topbar .nav{max-width:1080px;margin:0 auto;padding:14px 24px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:1.12rem;letter-spacing:-.01em;text-decoration:none}
.logo .dot{
  width:30px;height:30px;border-radius:8px;background:var(--accent);
  color:#fff;display:grid;place-items:center;font-size:.95rem;font-weight:700;flex:none;
}
.logo small{font-weight:500;color:var(--ink-2);font-size:.8rem;margin-left:2px}
.navlinks{display:flex;gap:4px;align-items:center}
.navlinks a{
  text-decoration:none;font-size:.92rem;font-weight:500;color:var(--ink-2);
  padding:7px 14px;border-radius:var(--r-sm);transition:all .15s;
}
.navlinks a:hover{background:var(--surface-2);color:var(--ink)}
.navlinks a.active{color:var(--accent);font-weight:600}
/* ---- Chuông thông báo ---- */
.bell-wrap{position:relative;flex:none}
.nav-bell{position:relative;border:1px solid var(--line-2);background:var(--surface);width:38px;height:38px;border-radius:var(--r-sm);cursor:pointer;font-size:1.02rem;display:grid;place-items:center}
.nav-bell:hover{border-color:var(--ink-3)}
.bell-badge{position:absolute;top:-6px;right:-6px;background:var(--err);color:#fff;font-size:.66rem;font-weight:700;min-width:17px;height:17px;border-radius:99px;display:grid;place-items:center;padding:0 4px;border:2px solid var(--surface)}
.bell-panel{position:absolute;right:0;top:calc(100% + 8px);width:330px;max-width:88vw;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--shadow);z-index:300;overflow:hidden}
.bell-head{display:flex;justify-content:space-between;align-items:center;padding:10px 14px;border-bottom:1px solid var(--line)}
.bell-readall{border:none;background:none;color:var(--accent);cursor:pointer;font-size:.82rem;font-family:inherit}
.bell-list{max-height:340px;overflow-y:auto}
.bell-item{padding:10px 14px;border-bottom:1px solid var(--line);cursor:pointer;display:flex;flex-direction:column;gap:2px}
.bell-item:hover{background:var(--surface-2)}
.bell-item b{font-size:.85rem;line-height:1.4}
.bell-item span{font-size:.8rem;color:var(--ink-2);line-height:1.45}
.bell-item small{font-size:.72rem;color:var(--ink-3)}
.bell-item.unread{background:var(--accent-soft)}

.nav-burger{display:none;border:1px solid var(--line-2);background:var(--surface);color:var(--ink);font-size:1.1rem;width:38px;height:38px;border-radius:var(--r-sm);cursor:pointer;flex:none}
@media(max-width:760px){
  .topbar .nav{position:relative;flex-wrap:wrap}
  .nav-burger{display:grid;place-items:center}
  .navlinks{display:none;position:absolute;top:100%;left:0;right:0;background:var(--surface);border-bottom:1px solid var(--line);box-shadow:var(--shadow);flex-direction:column;align-items:stretch;padding:8px 16px 14px;gap:2px;z-index:99}
  .navlinks.open{display:flex}
  .navlinks a{padding:12px 14px;font-size:1rem}
}

/* ---- Nút ---- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-family:inherit;font-size:.94rem;font-weight:600;
  padding:10px 20px;border-radius:var(--r-sm);border:1px solid transparent;
  cursor:pointer;transition:all .15s;text-decoration:none;
}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-hover)}
.btn-secondary{background:var(--surface);color:var(--ink);border-color:var(--line-2)}
.btn-secondary:hover{border-color:var(--ink-3)}
.btn-ghost{background:transparent;color:var(--ink-2)}
.btn-ghost:hover{background:var(--surface-2);color:var(--ink)}
.btn-sm{padding:6px 14px;font-size:.85rem}
.btn-lg{padding:13px 26px;font-size:1rem}

/* ---- Ô nhập ---- */
.field{margin-bottom:16px}
.field label{display:block;font-size:.875rem;font-weight:500;margin-bottom:6px}
.input{
  width:100%;font-family:inherit;font-size:.95rem;color:var(--ink);
  background:var(--surface);border:1px solid var(--line-2);border-radius:var(--r-sm);
  padding:10px 14px;transition:border-color .15s,box-shadow .15s;
}
.input::placeholder{color:var(--ink-3)}
.input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}

/* ---- Thẻ ---- */
.card{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:24px;box-shadow:var(--shadow);
}
.grid{display:grid;gap:16px}
.grid-2{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.grid-3{grid-template-columns:repeat(auto-fit,minmax(180px,1fr))}
.grid-4{grid-template-columns:repeat(auto-fit,minmax(150px,1fr))}

/* ---- Nhãn ---- */
.badge{display:inline-block;font-size:.78rem;font-weight:600;padding:3px 10px;border-radius:99px}
.badge-accent{background:var(--accent-soft);color:var(--accent)}
.badge-ok{background:var(--ok-soft);color:var(--ok)}
.badge-warn{background:var(--warn-soft);color:var(--warn)}
.badge-err{background:var(--err-soft);color:var(--err)}
.badge-mute{background:var(--surface-2);color:var(--ink-2)}

/* ---- Bảng ---- */
table{width:100%;border-collapse:collapse;font-size:.92rem}
th{text-align:left;font-size:.78rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3);padding:10px 14px;border-bottom:1px solid var(--line-2)}
td{padding:12px 14px;border-bottom:1px solid var(--line)}
tr:last-child td{border-bottom:none}
.num{font-variant-numeric:tabular-nums}

/* ---- Thanh tiến độ ---- */
.bar{height:6px;border-radius:99px;background:var(--surface-2);overflow:hidden}
.bar i{display:block;height:100%;border-radius:99px;background:var(--accent)}

/* ---- Thống kê ---- */
.stat b{font-size:1.7rem;font-weight:700;letter-spacing:-.02em;display:block;line-height:1.2}
.stat span{font-size:.85rem;color:var(--ink-2)}

/* ---- Nhãn mục ---- */
.sec-label{font-size:.8rem;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin-bottom:8px}

/* ---- Hiệu ứng vinh danh Sáng lập/Owner ---- */
@keyframes shimmer {
  0% { background-position: -200% center; }
  100% { background-position: 200% center; }
}
.name-owner {
  font-weight: 800 !important;
  color: #e74c3c !important;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.badge-owner {
  background: linear-gradient(120deg, #FFD700 0%, #FF8C00 50%, #FFD700 100%) !important;
  background-size: 200% auto !important;
  color: #fff !important;
  padding: 1px 5px !important;
  border-radius: 4px !important;
  font-size: 0.68rem !important;
  font-weight: 800 !important;
  text-shadow: 0 1px 1px rgba(0,0,0,0.2) !important;
  box-shadow: 0 1px 3px rgba(230,126,34,0.4) !important;
  border: 1px solid rgba(255,255,255,0.2) !important;
  animation: shimmer 3s linear infinite !important;
  display: inline-block;
  vertical-align: middle;
}