/* Modern UI layer – non-invasive, no PHP logic changes */
/* Typography */
:root {
  --bg: #f7f8fb;
  --panel: #ffffff;
  --text: #1f2937;
  --muted: #6b7280;
  --primary: #2563eb;
  --primary-600: #1d4ed8;
  --success: #16a34a;
  --warning: #d97706;
  --danger: #dc2626;
  --border: #e5e7eb;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(0,0,0,.04), 0 8px 24px rgba(0,0,0,.06);
}

html, body {
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, "Helvetica Neue", Arial, "Noto Sans", "Apple Color Emoji", "Segoe UI Emoji";
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Topbar / Nav */
.topbar { background: var(--panel); border-bottom: 1px solid var(--border); box-shadow: 0 1px 0 rgba(0,0,0,.02); }
.topbar .brand-link { display:flex; align-items:center; gap:.6rem; text-decoration:none; color: var(--text); }
.brand-logo { height: 36px; width: auto; display:block; }
.navbar-modern { background: var(--panel); border-top: 1px solid var(--border); }
.navbar-modern .nav>li>a, .nav .nav-link { padding: 12px 14px; color: var(--text); }
.navbar-modern .nav>li>a:hover, .nav .nav-link:hover { background: rgba(37,99,235,.06); color: var(--primary); }
.user-pill { border-radius: 999px; border: 1px solid var(--border); background: #f9fafb; }
.lang-switch a { display: inline-flex; align-items: center; gap:.4rem; }

/* Legacy containers styled as modern nav */
.header1 { background: var(--panel); color: var(--muted); border-bottom: 1px solid var(--border); }
.headert { background: var(--panel); }
.headert2 { background: var(--panel); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.headert2 .nav.navbar-nav > li > a { padding: 12px 14px; color: var(--text); }
.headert2 .nav.navbar-nav > li > a:hover { background: rgba(37,99,235,.06); color: var(--primary); }

/* Page titles */
.page-title { margin: 8px 0 12px; font-weight: 700; color: var(--text); }

/* Layout */
#content { padding-top: 16px; }
#app-main .container, #app-main .container-fluid { padding-top: 12px; }

/* Cards */
.card { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); }
.card + .card { margin-top: 16px; }
.card-header { padding: 12px 16px; border-bottom: 1px solid var(--border); font-weight: 600; }
.card-body { padding: 16px; }
.card-footer { padding: 12px 16px; border-top: 1px solid var(--border); }

/* Tables */
table, .table-modern { width: 100%; border-collapse: collapse; background: var(--panel); border-radius: var(--radius); overflow: hidden; }
table th { text-align: left; font-weight: 600; color: var(--muted); background: #f9fafb; }
table th, table td { padding: 10px 12px; border-bottom: 1px solid var(--border); }
table tr:nth-child(even) { background: #fafafa; }
table tr:hover { background: #f3f6ff; }

/* Forms */
input[type=text], input[type=email], input[type=password], input[type=number], select, textarea {
  background: #fff; border: 1px solid var(--border); border-radius: 8px; padding: 10px 12px; width: 100%; color: var(--text);
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(37,99,235,.15); }
label { font-weight: 500; color: var(--muted); margin-bottom: 6px; display: inline-block; }
.form-inline .form-control { width: auto; }

/* Buttons */
.btn, button, input[type=submit], .btn-primary, .btn-default, .btn-danger, .btn-warning, .btn-success {
  border-radius: 8px !important; border: 1px solid transparent; font-weight: 600; padding: 10px 14px; cursor: pointer;
}
.btn-primary { background: var(--primary) !important; border-color: var(--primary-600) !important; color: #fff !important; }
.btn-primary:hover { background: var(--primary-600) !important; }
.btn-default { background: #eef2ff !important; color: var(--primary) !important; border-color: #c7d2fe !important; }
.btn-danger { background: var(--danger) !important; color: #fff !important; }
.btn-success { background: var(--success) !important; color: #fff !important; }
.btn-warning { background: var(--warning) !important; color: #fff !important; }
.btn-flat { border-radius: 8px !important; }

/* Badges */
.badge { display:inline-block; padding: .25rem .6rem; border-radius: 999px; font-weight: 600; font-size: .8rem; }
.badge-success { background: #ecfdf5; color: var(--success); border: 1px solid #a7f3d0; }
.badge-danger { background: #fef2f2; color: var(--danger); border: 1px solid #fecaca; }
.badge-warning { background: #fffbeb; color: var(--warning); border: 1px solid #fde68a; }
.badge-muted { background: #f3f4f6; color: #6b7280; border: 1px solid #e5e7eb; }

/* Alerts */
.alert { padding: 12px 14px; border-radius: 10px; border: 1px solid var(--border); background:#fff; }
.alert-info { border-color: #bfdbfe; background:#eff6ff; color:#1d4ed8; }
.alert-success { border-color: #a7f3d0; background:#ecfdf5; color:#065f46; }
.alert-warning { border-color: #fde68a; background:#fffbeb; color:#92400e; }
.alert-danger { border-color: #fecaca; background:#fef2f2; color:#991b1b; }

/* Login box as card */
.login-box { max-width: 420px; margin: 24px auto; padding: 0 12px; }
.login-box-body { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); padding: 24px; }
.login-box .login-box-msg { margin: 0 0 12px 0; font-weight: 600; color: var(--text); text-align:center; }
.login-box .bg-red { background:#fef2f2; border:1px solid #fecaca; color:#991b1b; border-radius:10px; padding:8px 10px; }

/* Footer */
.site-footer, #footer { background: #0f172a; color: #e5e7eb; padding: 28px 0; margin-top: 32px; }
.site-footer a, #footer a { color: #cbd5e1; }
.site-footer .logo, #footer .logo { filter: brightness(0) invert(1); }
.whitetext { color: #e5e7eb; }

/* Row status helpers (legacy classes) */
tr.bg-danger td { background: #fef2f2; color: #991b1b; }
tr.bg-success td { background: #ecfdf5; color: #065f46; }
td.bg-success, .bg-success { background: #ecfdf5 !important; color: #065f46 !important; }
td.bg-warning, .bg-warning { background: #fffbeb !important; color: #92400e !important; }
td.bg-danger, .bg-danger { background: #fef2f2 !important; color: #991b1b !important; }

/* Utilities */
.shadow-sm { box-shadow: 0 1px 2px rgba(0,0,0,.06); }
.text-right { text-align:right; }
.hidden-xs { /* keep legacy hidden-xs functionality for consistency */ }
.marginbottom30 { margin-bottom: 30px; }
.margintop10 { margin-top: 10px; }

/* Responsive tweaks */
@media (max-width: 767px) {
  .navbar-modern .nav>li>a { padding: 10px 12px; }
  table th, table td { padding: 8px 10px; }
}