/* LSB Order - branding theo logo (vàng cam + xanh dương) */
:root {
  --orange: #F5A623;
  --orange-dark: #E08E0B;
  --orange-soft: #FFF4DF;
  --navy: #1A3A5C;
  --navy-dark: #102640;
  --navy-soft: #E8EEF5;
  --bg: #F7F8FA;
  --card: #FFFFFF;
  --border: #E5E7EB;
  --text: #111827;
  --muted: #6B7280;
  --green: #10B981;
  --red: #EF4444;
  --shadow-sm: 0 1px 2px rgba(0,0,0,.05);
  --shadow: 0 4px 12px rgba(16,38,64,.08);
  --radius: 10px;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.5;
}
a { color: var(--navy); text-decoration: none; }
a:hover { color: var(--orange-dark); }

/* Login */
.login-page { min-height: 100vh; display: grid; grid-template-columns: 1fr 1fr; }
.login-left {
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-dark) 100%);
  color: #fff; padding: 64px 56px; display: flex; flex-direction: column; justify-content: space-between;
}
.login-left .brand { display: flex; align-items: center; gap: 16px; margin-bottom: 48px; }
.login-left .brand img { width: 56px; height: 56px; }
.login-left .brand h1 { margin: 0; font-size: 24px; font-weight: 700; }
.login-left .brand small { color: rgba(255,255,255,.7); font-size: 12px; letter-spacing: 1.5px; }
.login-left h2 { font-size: 38px; font-weight: 800; line-height: 1.2; margin: 0 0 18px; }
.login-left h2 .accent { color: var(--orange); }
.login-left p.lead { color: rgba(255,255,255,.8); font-size: 16px; max-width: 460px; margin-bottom: 36px; }
.warehouse-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; max-width: 420px; }
.warehouse-grid .wh { background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.15); padding: 14px 16px; border-radius: 8px; }
.warehouse-grid .wh b { color: var(--orange); display: block; margin-bottom: 4px; }
.warehouse-grid .wh span { font-size: 12px; color: rgba(255,255,255,.7); }
.login-left .foot { color: rgba(255,255,255,.5); font-size: 12px; }

.login-right { display: flex; align-items: center; justify-content: center; padding: 32px; }
.login-card { width: 100%; max-width: 420px; background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); padding: 40px; }
.login-card h3 { margin: 0 0 8px; font-size: 28px; }
.login-card .sub { color: var(--muted); margin: 0 0 28px; }
.field { margin-bottom: 16px; }
.field label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 6px; color: var(--navy); }
.field input, .field select, .field textarea {
  width: 100%; padding: 11px 12px; border: 1px solid var(--border); border-radius: 8px; font-size: 14px; font-family: inherit; background: #fff;
}
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--orange); box-shadow: 0 0 0 3px rgba(245,166,35,.15); }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; padding: 10px 16px; border-radius: 8px; border: 1px solid transparent; font-size: 14px; font-weight: 600; cursor: pointer; transition: all .15s ease-out; background: #fff; color: var(--text); }
.btn:active { transform: scale(.97); }
.btn-primary { background: var(--navy); color: #fff; }
.btn-primary:hover { background: var(--navy-dark); }
.btn-accent { background: var(--orange); color: #fff; }
.btn-accent:hover { background: var(--orange-dark); }
.btn-ghost { background: transparent; border-color: var(--border); }
.btn-ghost:hover { background: var(--navy-soft); }
.btn-danger { background: var(--red); color: #fff; }
.btn-sm { padding: 6px 10px; font-size: 12px; }
.btn-full { width: 100%; }

.alert { padding: 12px 14px; border-radius: 8px; margin-bottom: 16px; font-size: 13px; border: 1px solid; }
.alert-error { background: #FEF2F2; border-color: #FCA5A5; color: #991B1B; }
.alert-success { background: #ECFDF5; border-color: #86EFAC; color: #14532D; }
.alert-warn { background: #FFFBEB; border-color: #FCD34D; color: #78350F; }

/* App layout */
.app { display: grid; grid-template-columns: 240px 1fr; min-height: 100vh; }
.sidebar { background: var(--navy); color: #fff; padding: 20px 0; position: sticky; top: 0; height: 100vh; overflow-y: auto; }
.sidebar .brand { display: flex; align-items: center; gap: 10px; padding: 0 18px 18px; border-bottom: 1px solid rgba(255,255,255,.08); margin-bottom: 14px; }
.sidebar .brand img { width: 36px; height: 36px; }
.sidebar .brand b { font-size: 16px; }
.sidebar .brand small { display: block; color: rgba(255,255,255,.6); font-size: 11px; letter-spacing: 1px; }
.nav-section { color: rgba(255,255,255,.45); font-size: 11px; letter-spacing: 1px; padding: 14px 18px 6px; text-transform: uppercase; }
.nav a { display: flex; align-items: center; gap: 10px; padding: 10px 18px; color: rgba(255,255,255,.85); font-size: 14px; border-left: 3px solid transparent; }
.nav a:hover { background: rgba(255,255,255,.06); color: #fff; }
.nav a.active { background: rgba(245,166,35,.15); color: var(--orange); border-left-color: var(--orange); }
.nav .badge { margin-left: auto; background: var(--orange); color: #fff; font-size: 11px; padding: 2px 7px; border-radius: 10px; font-weight: 700; }

.main { display: flex; flex-direction: column; min-width: 0; }
.topbar { background: var(--card); border-bottom: 1px solid var(--border); padding: 14px 28px; display: flex; align-items: center; justify-content: space-between; box-shadow: var(--shadow-sm); }
.topbar .page-title { font-size: 18px; font-weight: 700; color: var(--navy); }
.topbar .user-chip { display: flex; align-items: center; gap: 10px; }
.topbar .user-chip .avatar { width: 36px; height: 36px; border-radius: 50%; background: var(--orange); color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 14px; }
.topbar .user-chip .meta { font-size: 13px; }
.topbar .user-chip .meta b { display: block; color: var(--navy); }
.topbar .user-chip .meta span { color: var(--muted); font-size: 11px; }

.content { padding: 24px 28px; }

/* Cards / stat grid */
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 14px; margin-bottom: 24px; }
.stat-card { background: var(--card); border-radius: var(--radius); border: 1px solid var(--border); padding: 18px 20px; }
.stat-card .label { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: 1px; }
.stat-card .value { font-size: 28px; font-weight: 800; color: var(--navy); margin-top: 4px; }
.stat-card.accent { border-color: var(--orange); background: var(--orange-soft); }
.stat-card.accent .value { color: var(--orange-dark); }

.card { background: var(--card); border-radius: var(--radius); border: 1px solid var(--border); margin-bottom: 18px; }
.card .head { padding: 14px 18px; border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; }
.card .head h4 { margin: 0; font-size: 15px; color: var(--navy); }
.card .body { padding: 18px; }

/* Lotus banner */
.lotus-banner { background: linear-gradient(135deg, #FEF2F2, #FEF3C7); border: 2px dashed var(--orange); padding: 14px 18px; border-radius: var(--radius); margin-bottom: 18px; display: flex; align-items: center; gap: 14px; }
.lotus-banner .icon { font-size: 28px; }
.lotus-banner b { color: var(--red); }
.lotus-banner.ok { background: #ECFDF5; border-color: var(--green); border-style: solid; }
.lotus-banner.ok b { color: var(--green); }

/* Table */
.tbl { width: 100%; border-collapse: collapse; }
.tbl th, .tbl td { padding: 10px 12px; text-align: left; border-bottom: 1px solid var(--border); font-size: 13px; }
.tbl th { background: #FAFBFC; color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: .5px; }
.tbl tr:hover td { background: #FAFBFC; }
.tbl a { color: var(--navy); font-weight: 600; }
.tbl .right { text-align: right; }

.status { display: inline-block; padding: 3px 9px; border-radius: 12px; font-size: 11px; font-weight: 700; color: #fff; }

.kv { display: grid; grid-template-columns: 160px 1fr; gap: 8px 14px; }
.kv .k { color: var(--muted); font-size: 12px; }
.kv .v { font-size: 14px; color: var(--text); }

.timeline { list-style: none; padding: 0; margin: 0; }
.timeline li { padding: 10px 0; border-bottom: 1px dashed var(--border); font-size: 13px; }
.timeline li:last-child { border-bottom: none; }
.timeline .t { color: var(--muted); font-size: 11px; }
.timeline .ev { font-weight: 600; color: var(--navy); }

.tabs { display: flex; gap: 6px; margin-bottom: 16px; }
.tabs .tab { padding: 8px 14px; border-radius: 8px; background: #fff; border: 1px solid var(--border); cursor: pointer; font-weight: 600; font-size: 13px; color: var(--muted); }
.tabs .tab.active { background: var(--navy); color: #fff; border-color: var(--navy); }

.grid-2 { display: grid; grid-template-columns: 2fr 1fr; gap: 18px; }
.grid-form { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 900px) {
  .app { grid-template-columns: 1fr; }
  .sidebar { position: relative; height: auto; }
  .login-page { grid-template-columns: 1fr; }
  .login-left { padding: 36px 24px; }
  .grid-2, .grid-form { grid-template-columns: 1fr; }
}

.box-card { border: 1px solid var(--border); border-radius: var(--radius); padding: 14px; background: #fff; }
.box-card .head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 8px; }
.box-card .head b { color: var(--navy); }
.box-card .meta { font-size: 12px; color: var(--muted); }
.box-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 14px; }

.muted { color: var(--muted); }
.small { font-size: 12px; }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.flex-1 { flex: 1; }
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 6px; }
.mb-2 { margin-bottom: 14px; }
.mt-2 { margin-top: 14px; }
.pill { background: var(--navy-soft); color: var(--navy); padding: 2px 8px; border-radius: 10px; font-size: 11px; font-weight: 600; }
.pill.orange { background: var(--orange-soft); color: var(--orange-dark); }
.pill.green { background: #ECFDF5; color: #15803D; }
.pill.red { background: #FEF2F2; color: #B91C1C; }