/* ITNS-Global Financial Accounting ERP — Design System */

:root {
  --primary:        #1a3c5e;
  --primary-light:  #3b82c4;
  --primary-xlight: #dbeafe;
  --accent:         #0f766e;
  --danger:         #c0392b;
  --warning:        #d68910;
  --info:           #1a6b8a;
  --success:        #1e8449;
  --purple:         #7c3aed;
  --text:           #1a1a2e;
  --text-muted:     #6b7280;
  --bg:             #f4f6f9;
  --bg-white:       #ffffff;
  --border:         #e5e7eb;
  --sidebar-w:      248px;
  --header-h:       60px;
  --radius:         10px;
  --radius-lg:      16px;
  --shadow:         0 1px 3px rgba(0,0,0,0.08);
  --shadow-md:      0 4px 12px rgba(0,0,0,0.1);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: 'DM Sans', sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
}
h1, h2, h3, .brand { font-family: 'Playfair Display', serif; }
a { color: var(--primary-light); }

/* ---- Layout shell ---- */
.app-shell { display: flex; min-height: 100vh; }

.sidebar {
  width: var(--sidebar-w);
  background: var(--text);
  color: #cbd5e1;
  flex-shrink: 0;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  overflow-y: auto;
}
.sidebar-brand {
  padding: 20px 22px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.sidebar-brand strong { color: #fff; font-size: 17px; font-weight: 500; display:block; }
.sidebar-brand span { font-size: 11px; color: #94a3b8; }

.nav-section { padding: 14px 18px 4px; font-size: 10px; letter-spacing: 0.08em; text-transform: uppercase; color: #64748b; }
.nav-item {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 22px; color: #cbd5e1; text-decoration: none; font-size: 13px;
  border-left: 3px solid transparent;
}
.nav-item:hover { background: rgba(255,255,255,0.05); color: #fff; }
.nav-item.active { background: rgba(59,130,196,0.15); color: #fff; border-left-color: var(--primary-light); font-weight: 500; }
.nav-item svg { width: 16px; height: 16px; stroke: currentColor; fill: none; flex-shrink: 0; }

.main { margin-left: var(--sidebar-w); flex: 1; display: flex; flex-direction: column; min-width: 0; }

.topbar {
  height: var(--header-h);
  background: #fff;
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 28px;
  position: sticky; top: 0; z-index: 10;
}
.topbar-title { font-size: 16px; font-weight: 600; }
.topbar-title .fy-badge { font-size: 11px; font-weight: 500; color: var(--primary-light); background: var(--primary-xlight); padding: 3px 10px; border-radius: 20px; margin-left: 10px; }
.user-chip { display: flex; align-items: center; gap: 10px; }
.avatar { width: 32px; height: 32px; border-radius: 50%; background: var(--primary-light); color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 600; font-size: 13px; }
.user-chip .role-tag { font-size: 10px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.05em; }

.content { padding: 28px; }

/* ---- Alerts / flash ---- */
.alert { padding: 12px 18px; border-radius: var(--radius); margin-bottom: 18px; font-size: 13px; }
.alert-success { background: #ecfdf5; color: var(--success); border: 1px solid #a7f3d0; }
.alert-error   { background: #fef2f2; color: var(--danger); border: 1px solid #fecaca; }
.alert-warning { background: #fffbeb; color: var(--warning); border: 1px solid #fde68a; }
.alert-info    { background: #eff6ff; color: var(--info); border: 1px solid #bfdbfe; }

/* ---- Page header ---- */
.page-header { display: flex; justify-content: space-between; align-items: flex-start; margin-bottom: 22px; flex-wrap: wrap; gap: 12px; }
.page-header h1 { font-size: 22px; font-weight: 500; margin: 0 0 4px; color: var(--primary); }
.page-header p { margin: 0; color: var(--text-muted); font-size: 13px; }
.page-header-actions { display: flex; gap: 8px; }

/* ---- Buttons ---- */
.btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 9px 16px; border-radius: var(--radius);
  font-size: 13px; font-weight: 500; text-decoration: none;
  border: 1px solid transparent; cursor: pointer;
}
.btn-primary { background: var(--primary-light); color: #fff; }
.btn-primary:hover { background: var(--primary); }
.btn-secondary { background: #fff; color: var(--text); border-color: var(--border); }
.btn-secondary:hover { background: var(--bg); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-success { background: var(--success); color: #fff; }
.btn-accent { background: var(--accent); color: #fff; }
.btn-sm { padding: 6px 12px; font-size: 12px; }
.btn-xs { padding: 4px 8px; font-size: 11px; }
.btn-icon { padding: 8px; }

/* ---- Cards ---- */
.card { background: var(--bg-white); border-radius: var(--radius-lg); box-shadow: var(--shadow); padding: 24px; margin-bottom: 22px; }
.card-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 18px; flex-wrap: wrap; gap: 10px; }
.card-title { font-size: 15px; font-weight: 600; color: var(--primary); }

/* ---- Stats ---- */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin-bottom: 24px; }
.stat-card { background: #fff; border-radius: var(--radius-lg); box-shadow: var(--shadow); padding: 20px; border-top: 3px solid var(--primary-light); }
.stat-card.accent  { border-top-color: var(--accent); }
.stat-card.info    { border-top-color: var(--info); }
.stat-card.warning { border-top-color: var(--warning); }
.stat-card.danger  { border-top-color: var(--danger); }
.stat-card.purple  { border-top-color: var(--purple); }
.stat-label { font-size: 11px; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text-muted); margin-bottom: 8px; }
.stat-value { font-size: 24px; font-weight: 600; color: var(--text); }
.stat-sub { font-size: 12px; color: var(--text-muted); margin-top: 4px; }

/* ---- Tables ---- */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 13px; }
thead th {
  text-align: left; padding: 10px 12px; background: var(--bg);
  color: var(--text-muted); font-weight: 600; font-size: 11px;
  text-transform: uppercase; letter-spacing: 0.04em;
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}
tbody td { padding: 11px 12px; border-bottom: 1px solid var(--border); vertical-align: middle; }
tbody tr:hover { background: #fafbfc; }
tfoot td { padding: 11px 12px; font-weight: 600; border-top: 2px solid var(--border); }
.text-right { text-align: right; }
.text-center { text-align: center; }
.num { font-family: 'DM Mono', monospace; }

/* ---- Badges ---- */
.badge { display: inline-block; padding: 3px 10px; border-radius: 20px; font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.03em; }
.badge-success { background: #ecfdf5; color: var(--success); }
.badge-danger  { background: #fef2f2; color: var(--danger); }
.badge-warning { background: #fffbeb; color: var(--warning); }
.badge-info    { background: #eff6ff; color: var(--info); }
.badge-neutral { background: var(--bg); color: var(--text-muted); }

/* ---- Forms ---- */
.form-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.form-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.form-group { margin-bottom: 16px; }
.form-group.full { grid-column: 1 / -1; }
label { display: block; font-size: 12px; font-weight: 600; color: var(--text); margin-bottom: 6px; }
label .req { color: var(--danger); }
input, select, textarea {
  width: 100%; padding: 9px 12px; border: 1px solid var(--border); border-radius: var(--radius);
  font-size: 13px; font-family: inherit; background: #fff; color: var(--text);
}
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--primary-light); box-shadow: 0 0 0 3px rgba(59,130,196,0.12); }
.form-hint { font-size: 11px; color: var(--text-muted); margin-top: 4px; }
.form-actions { display: flex; gap: 10px; margin-top: 8px; padding-top: 16px; border-top: 1px solid var(--border); }

/* ---- Line-item editor (invoices/bills/vouchers) ---- */
.line-items-table input, .line-items-table select { padding: 6px 8px; font-size: 12px; }
.line-items-table td { padding: 6px; }
.add-row-btn { margin-top: 8px; }

/* ---- Tabs ---- */
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); margin-bottom: 20px; }
.tab { padding: 10px 16px; font-size: 13px; color: var(--text-muted); text-decoration: none; border-bottom: 2px solid transparent; }
.tab.active { color: var(--primary); font-weight: 600; border-bottom-color: var(--primary-light); }

/* ---- Filter bar ---- */
.filter-bar { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 18px; align-items: end; }
.filter-bar .form-group { margin-bottom: 0; min-width: 160px; }

/* ---- Login page ---- */
.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, var(--primary) 0%, var(--text) 100%); }
.login-card { background: #fff; border-radius: var(--radius-lg); box-shadow: var(--shadow-md); padding: 40px; width: 380px; }
.login-card .brand { text-align: center; color: var(--primary); font-size: 22px; margin-bottom: 4px; }
.login-card .brand-sub { text-align: center; color: var(--text-muted); font-size: 12px; margin-bottom: 28px; }

/* ---- Print (invoice / statutory reports) ---- */
@media print {
  .sidebar, .topbar, .page-header-actions, .no-print { display: none !important; }
  .main { margin-left: 0; }
  .card { box-shadow: none; }
  body { background: #fff; }
}

.mono { font-family: 'DM Mono', monospace; }
.text-muted { color: var(--text-muted); }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }