/* Giao diện mật độ cao — chỉ dùng trên máy tính (CEO chốt 30/08) */
* { box-sizing: border-box; }
body { margin: 0; font-family: "Segoe UI", system-ui, sans-serif; font-size: 13px; color: #1d2723; background: #f4f7f5; }
.topbar { display: flex; align-items: center; gap: 18px; background: #0e6e5c; color: #fff; padding: 5px 16px; flex-wrap: wrap; }
.topbar .brand { font-weight: 700; font-size: 14.5px; }
.topbar .nnc { opacity: .8; font-weight: 400; }
.topbar nav { display: flex; gap: 14px; flex: 1; }
.topbar a { color: #eaf5f1; text-decoration: none; }
.topbar a:hover { text-decoration: underline; }
.topbar .me { display: flex; gap: 10px; align-items: center; font-size: 12px; }
.linklike { background: none; border: none; color: #eaf5f1; cursor: pointer; font: inherit; text-decoration: underline; }
.page { max-width: 1500px; margin: 0 auto; padding: 12px 16px 40px; }
h1 { font-size: 18px; margin: 8px 0 10px; }
h2 { font-size: 14.5px; margin: 18px 0 6px; }
.foot { text-align: center; color: #8aa39b; font-size: 11px; padding: 10px; }
.loginbox { max-width: 340px; margin: 8vh auto; background: #fff; border: 1px solid #dce3df; border-radius: 8px; padding: 22px 26px 26px; }
.loginbox h1 { margin: 0 0 2px; font-size: 20px; } .loginbox .sub { color: #5b6b66; margin: 0 0 14px; font-size: 12.5px; }
label { display: block; margin: 8px 0; font-weight: 600; font-size: 12px; }
label input, label select { display: block; width: 100%; margin-top: 3px; padding: 5px 8px; border: 1px solid #c6d2cc; border-radius: 5px; font: inherit; }
.btn { padding: 5px 12px; border: 1px solid #0e6e5c; background: #fff; color: #0e6e5c; border-radius: 5px; cursor: pointer; font: inherit; font-size: 12.5px; }
.btn.primary { background: #0e6e5c; color: #fff; }
.btn.small { padding: 2px 8px; font-size: 11.5px; }
.btn:hover { filter: brightness(1.08); }
.alert { padding: 7px 12px; border-radius: 5px; margin: 8px 0; font-size: 12.5px; }
.alert.err { background: #fbeaea; color: #9d2626; border: 1px solid #eac9c9; }
.alert.ok { background: #e3efeb; color: #0e6e5c; border: 1px solid #bcd8cf; }
table { border-collapse: collapse; width: 100%; background: #fff; margin: 8px 0; font-size: 12.5px; }
th, td { text-align: left; padding: 3px 8px; border-bottom: 1px solid #e2e8e4; vertical-align: middle; line-height: 1.35; }
th { background: #e9f1ed; font-size: 11px; text-transform: uppercase; letter-spacing: .03em; color: #466057; padding-top: 5px; padding-bottom: 5px; }
tr:nth-child(even) td { background: #fafcfb; }
tr:hover td { background: #f0f6f3; }
tr.inactive { opacity: .5; }
td[style*="text-align:right"], .num { font-variant-numeric: tabular-nums; }
.inline { display: inline-block; margin-right: 4px; }
.inline select, .inline input { padding: 2px 5px; font-size: 12px; }
.row-form { display: flex; gap: 10px; align-items: flex-end; flex-wrap: wrap; background: #fff; border: 1px solid #dce3df; border-radius: 6px; padding: 2px 12px 10px; }
.row-form label { flex: 1; min-width: 130px; margin: 6px 0 0; }
.form-narrow { max-width: 340px; }
.note { color: #5b6b66; font-size: 11.5px; }
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 10px; margin-top: 10px; }
.card { background: #fff; border: 1px solid #dce3df; border-radius: 6px; padding: 8px 12px 10px; }
.card h3 { margin: 2px 0 4px; font-size: 13px; }
.card table { margin: 4px 0; }
.card.muted p { color: #8aa39b; margin: 0; }
code { background: #eef3f1; padding: 1px 5px; border-radius: 4px; font-size: 12.5px; }