/* StockTrack styles — clean, dense, print-friendly. */
* { box-sizing: border-box; }
body { margin: 0; font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; color: #222; background: #f5f7fa; font-size: 14px; }

/* Top nav */
.topnav { background: #1565c0; color: #fff; padding: 0 20px; display: flex; align-items: center; gap: 10px; box-shadow: 0 2px 4px rgba(0,0,0,0.08); }
.topnav .brand { color: #fff; font-weight: 700; font-size: 18px; padding: 14px 0; text-decoration: none; letter-spacing: 0.3px; }
.topnav .navlinks { display: flex; flex-wrap: wrap; gap: 3px; margin-left: 20px; flex: 1; }
.topnav .navlinks a { color: rgba(255,255,255,0.9); text-decoration: none; padding: 14px 10px; font-size: 13px; transition: background 0.15s; }
.topnav .navlinks a:hover { background: rgba(255,255,255,0.1); color: #fff; }
.topnav .navlinks .logout { margin-left: auto; }

/* Container */
.container { max-width: 1400px; margin: 20px auto; padding: 0 20px; }

/* Cards */
.card { background: #fff; border-radius: 6px; box-shadow: 0 1px 3px rgba(0,0,0,0.08); padding: 20px; margin-bottom: 20px; }
.card h2, .card h3 { margin-top: 0; color: #1565c0; }
.card-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 15px; }
.card-header h2, .card-header h3 { margin: 0; }

/* Typography */
h1 { color: #1565c0; margin-top: 0; }
.muted { color: #777; }
.small { font-size: 12px; }
.right { text-align: right; }
.center { text-align: center; }

/* Buttons */
.btn { display: inline-block; padding: 8px 16px; border-radius: 4px; border: 1px solid transparent; cursor: pointer; font-size: 14px; text-decoration: none; text-align: center; }
.btn-primary { background: #1565c0; color: #fff; }
.btn-primary:hover { background: #0d47a1; }
.btn-secondary { background: #fff; color: #1565c0; border-color: #1565c0; }
.btn-secondary:hover { background: #e3f2fd; }
.btn-danger { background: #c62828; color: #fff; }
.btn-danger:hover { background: #b71c1c; }
.btn-success { background: #2e7d32; color: #fff; }
.btn-sm { padding: 5px 10px; font-size: 12px; }

/* Forms */
.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 15px; }
.form-group { display: flex; flex-direction: column; }
.form-group label { font-weight: 600; margin-bottom: 5px; color: #444; font-size: 13px; }
.form-group input, .form-group select, .form-group textarea {
  padding: 8px 10px; border: 1px solid #ccd1d9; border-radius: 4px; font-size: 14px; background: #fff;
  font-family: inherit;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { outline: none; border-color: #1565c0; box-shadow: 0 0 0 2px rgba(21, 101, 192, 0.15); }
.form-group textarea { min-height: 60px; resize: vertical; }
.form-group .muted.small { margin-top: 4px; }
.form-actions { margin-top: 20px; display: flex; gap: 10px; flex-wrap: wrap; }

/* Tables */
table.data { width: 100%; border-collapse: collapse; background: #fff; }
table.data th, table.data td { padding: 8px 10px; border-bottom: 1px solid #eaeef3; text-align: left; }
table.data th { background: #f0f3f7; font-weight: 600; color: #333; font-size: 12px; text-transform: uppercase; letter-spacing: 0.3px; }
table.data tr:hover { background: #fafbfc; }
table.data td.right, table.data th.right { text-align: right; }
table.data td.center, table.data th.center { text-align: center; }

/* Alerts */
.alert { padding: 12px 16px; border-radius: 4px; margin-bottom: 15px; font-size: 14px; }
.alert-success { background: #e8f5e9; color: #2e7d32; border-left: 3px solid #2e7d32; }
.alert-error { background: #ffebee; color: #c62828; border-left: 3px solid #c62828; }
.alert-info { background: #e3f2fd; color: #1565c0; border-left: 3px solid #1565c0; }
.alert-warning { background: #fff3e0; color: #ef6c00; border-left: 3px solid #ef6c00; }

/* Badges */
.badge { display: inline-block; padding: 3px 8px; border-radius: 10px; font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.3px; }
.badge-draft { background: #eeeeee; color: #555; }
.badge-received { background: #e8f5e9; color: #2e7d32; }
.badge-reversed { background: #ffebee; color: #c62828; }
.badge-active { background: #e8f5e9; color: #2e7d32; }
.badge-low { background: #fff3e0; color: #ef6c00; }
.badge-out { background: #ffebee; color: #c62828; }

/* Dashboard */
.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 15px; margin-bottom: 20px; }
.stat-card { background: #fff; padding: 20px; border-radius: 6px; box-shadow: 0 1px 3px rgba(0,0,0,0.08); }
.stat-card .stat-label { color: #777; font-size: 12px; text-transform: uppercase; letter-spacing: 0.5px; }
.stat-card .stat-value { font-size: 24px; font-weight: 700; color: #1565c0; margin-top: 6px; }
.stat-card .stat-sub { color: #999; font-size: 12px; margin-top: 4px; }
.stat-card.warning .stat-value { color: #ef6c00; }
.stat-card.danger .stat-value { color: #c62828; }

.grid-2col { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 900px) { .grid-2col { grid-template-columns: 1fr; } }

/* Login */
.login-container { max-width: 400px; margin: 60px auto; padding: 40px; background: #fff; border-radius: 8px; box-shadow: 0 4px 12px rgba(0,0,0,0.1); }
.login-container h1 { text-align: center; margin-bottom: 30px; }

/* Filter bar */
.filter-bar { background: #fff; padding: 15px 20px; border-radius: 6px; margin-bottom: 20px; display: flex; gap: 15px; align-items: center; flex-wrap: wrap; box-shadow: 0 1px 3px rgba(0,0,0,0.06); }
.filter-bar label { font-weight: 600; font-size: 13px; color: #555; }
.filter-bar input, .filter-bar select { padding: 6px 8px; border: 1px solid #ccd1d9; border-radius: 4px; font-size: 13px; }

/* Line items */
.lineitems { width: 100%; border-collapse: collapse; }
.lineitems th { background: #f0f3f7; padding: 6px 8px; font-size: 12px; text-transform: uppercase; text-align: left; }
.lineitems td { padding: 4px; border-bottom: 1px solid #eee; vertical-align: top; }
.lineitems input, .lineitems select { width: 100%; padding: 6px 8px; border: 1px solid #ccd1d9; border-radius: 3px; font-size: 13px; box-sizing: border-box; }
.lineitems .rm-line { color: #c62828; cursor: pointer; text-align: center; padding: 5px; }
.lineitems .rm-line:hover { background: #ffebee; border-radius: 4px; }

/* Scan */
.scan-box { max-width: 500px; margin: 40px auto; text-align: center; padding: 40px; background: #fff; border-radius: 8px; box-shadow: 0 4px 12px rgba(0,0,0,0.1); }
.scan-box h1 { margin-top: 0; }
.scan-box input { width: 100%; padding: 15px; font-size: 18px; border: 2px solid #1565c0; border-radius: 4px; margin-top: 10px; text-align: center; }

/* Footer */
.footer { text-align: center; padding: 30px 20px; color: #999; font-size: 12px; }

/* Print */
@media print { .topnav, .footer, .btn, .form-actions { display: none; } }