@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@300;400;500;600;700&family=Space+Mono:wght@400;700&display=swap');

:root {
  /* --- Blue & White Theme --- */
  --bg: #f2f6fc;            /* Page background (soft blue-white) */
  --surface: #ffffff;       /* Card background */
  --surface2: #f6f9fe;      /* Input background */
  --surface3: #e5edf9;      /* Hover / active */
  --border: #d8e3f2;

  /* --- Text --- */
  --text: #0f2547;
  --text-muted: #5b6f8f;
  --text-dim: #8fa3bf;

  /* --- Brand (Blue) --- */
  --primary: #1d4ed8;
  --primary-dark: #1e3fae;
  --primary-light: #3b82f6;
  --primary-glow: rgba(29,78,216,0.10);
  --accent: #0284c7;
  --success: #16a34a;
  --danger: #dc2626;
  --warning: #d97706;
  --info: #2563eb;
  --orange: #ea580c;

  /* --- Sidebar (deep blue) --- */
  --sb-bg1: #0d3b8f;
  --sb-bg2: #072662;
  --sb-border: rgba(255,255,255,0.10);
  --sb-text: #b9cdf2;
  --sb-text-hover: #ffffff;

  /* --- Layout --- */
  --sidebar-w: 252px;
  --radius: 12px;
  --radius-sm: 8px;
  --shadow: 0 1px 3px rgba(13,59,143,0.07), 0 4px 14px -4px rgba(13,59,143,0.08);
  --shadow-lg: 0 8px 26px -6px rgba(13,59,143,0.18);

  --font: 'DM Sans', sans-serif;
  --mono: 'Space Mono', monospace;
}

* { margin:0; padding:0; box-sizing:border-box; }
body { font-family:var(--font); background:var(--bg); color:var(--text); min-height:100vh; font-size:14px; line-height:1.5; }
svg.ic { flex-shrink:0; vertical-align:-2px; }

/* Scrollbar */
::-webkit-scrollbar { width:6px; height:6px; }
::-webkit-scrollbar-track { background:transparent; }
::-webkit-scrollbar-thumb { background:#c3d3ea; border-radius:3px; }
::-webkit-scrollbar-thumb:hover { background:#a9bfe0; }

/* ============ ANIMATIONS ============ */
@keyframes fadeUp   { from{opacity:0;transform:translateY(10px)} to{opacity:1;transform:translateY(0)} }
@keyframes fadeIn   { from{opacity:0} to{opacity:1} }
@keyframes popIn    { from{opacity:0;transform:scale(.96) translateY(8px)} to{opacity:1;transform:scale(1) translateY(0)} }
@keyframes slideInL { from{opacity:0;transform:translateX(-14px)} to{opacity:1;transform:translateX(0)} }
@keyframes toastIn  { from{transform:translateY(16px);opacity:0} to{transform:translateY(0);opacity:1} }
@keyframes pulseDot { 0%,100%{transform:scale(1)} 50%{transform:scale(1.12)} }
@keyframes shimmer  { 0%{background-position:-400px 0} 100%{background-position:400px 0} }

/* Page-load animation with gentle stagger */
.page > * { animation:fadeUp .38s ease both; }
.page > *:nth-child(2){ animation-delay:.05s }
.page > *:nth-child(3){ animation-delay:.10s }
.page > *:nth-child(4){ animation-delay:.15s }
.page > *:nth-child(5){ animation-delay:.20s }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation:none !important; transition:none !important; }
}

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

/* ============ SIDEBAR (deep blue) ============ */
.sidebar {
  width:var(--sidebar-w);
  background:linear-gradient(180deg, var(--sb-bg1) 0%, var(--sb-bg2) 100%);
  border-right:1px solid var(--sb-border);
  position:fixed; top:0; left:0; height:100vh;
  display:flex; flex-direction:column; z-index:100;
  overflow-y:auto;
  color:#fff;
}
.sidebar::-webkit-scrollbar-thumb { background:rgba(255,255,255,.18); }

.sidebar-brand {
  padding:18px 16px; border-bottom:1px solid var(--sb-border);
  display:flex; align-items:center; gap:11px; flex-shrink:0;
}
.brand-icon {
  width:40px; height:40px; background:rgba(255,255,255,0.12);
  border:1px solid rgba(255,255,255,0.18);
  border-radius:11px; display:flex; align-items:center; justify-content:center;
  color:#fff; flex-shrink:0; overflow:hidden;
}
.brand-icon img { width:100%; height:100%; object-fit:contain; padding:3px; background:#fff; border-radius:10px; }
.brand-name { font-weight:700; font-size:13px; line-height:1.3; color:#fff; }
.brand-name span { color:#9db9ec; display:block; font-size:10.5px; font-weight:500; letter-spacing:.3px; }

.nav { padding:12px 10px; flex:1; }
.nav-section { font-size:9.5px; font-weight:700; color:#7e9ad4; text-transform:uppercase; letter-spacing:1.4px; padding:12px 10px 5px; }

.nav-link {
  display:flex; align-items:center; gap:10px;
  padding:8px 11px; border-radius:var(--radius-sm);
  color:var(--sb-text); text-decoration:none;
  font-size:13px; font-weight:500;
  transition:background .18s ease, color .18s ease, transform .18s ease;
  margin-bottom:2px; position:relative;
}
.nav-link .ic { transition:transform .18s ease; opacity:.9; }
.nav-link:hover { background:rgba(255,255,255,0.08); color:var(--sb-text-hover); transform:translateX(2px); }
.nav-link:hover .ic { transform:scale(1.08); }
.nav-link.active {
  background:#ffffff; color:var(--primary); font-weight:600;
  box-shadow:0 3px 10px rgba(0,0,0,0.18);
}
.nav-link.active .ic { opacity:1; }
.nav-link .badge {
  margin-left:auto; background:#ef4444; color:#fff; border-radius:10px;
  font-size:9px; padding:1px 6px; font-weight:700;
  animation:pulseDot 2.4s ease-in-out infinite;
}

.sidebar-user { padding:12px 10px; border-top:1px solid var(--sb-border); flex-shrink:0; }
.user-card { display:flex; align-items:center; gap:9px; padding:8px 10px; background:rgba(255,255,255,0.08); border:1px solid rgba(255,255,255,0.08); border-radius:var(--radius-sm); }
.user-av { width:31px; height:31px; border-radius:9px; background:linear-gradient(135deg,#3b82f6,#60a5fa); display:flex; align-items:center; justify-content:center; font-weight:700; font-size:12px; color:#fff; flex-shrink:0; }
.user-info strong { display:block; font-size:12px; font-weight:600; color:#fff; }
.user-info small { color:#9db9ec; font-size:10.5px; }
.logout-link { color:#9db9ec; margin-left:auto; display:flex; padding:5px; border-radius:6px; transition:all .15s; }
.logout-link:hover { color:#fff; background:rgba(255,255,255,.12); }

/* ============ MAIN (white) ============ */
.main { margin-left:var(--sidebar-w); flex:1; display:flex; flex-direction:column; min-height:100vh; }
.topbar {
  background:rgba(255,255,255,0.92); backdrop-filter:blur(8px);
  border-bottom:1px solid var(--border); padding:13px 24px;
  display:flex; align-items:center; gap:14px; position:sticky; top:0; z-index:50;
}
.topbar h1 { font-size:16px; font-weight:700; flex:1; color:var(--text); }
.topbar .meta { font-size:12px; color:var(--text-muted); display:flex; align-items:center; gap:14px; }
.page { padding:22px; flex:1; }

/* Cards */
.card {
  background:var(--surface); border:1px solid var(--border);
  border-radius:var(--radius); overflow:hidden; box-shadow:var(--shadow);
  transition:box-shadow .22s ease, transform .22s ease, border-color .22s ease;
}
.card:hover { box-shadow:var(--shadow-lg); border-color:#c6d7ef; }
.card-header { padding:14px 18px; border-bottom:1px solid var(--border); display:flex; align-items:center; gap:10px; background:var(--surface); }
.card-header h2 { font-size:13.5px; font-weight:700; flex:1; display:flex; align-items:center; gap:8px; color:var(--text); }
.card-header h2 .ic { color:var(--primary); }
.card-body { padding:18px; }
.card-footer { padding:12px 18px; border-top:1px solid var(--border); background:var(--surface2); }

/* Stats */
.stats { display:grid; grid-template-columns:repeat(auto-fit,minmax(190px,1fr)); gap:14px; margin-bottom:22px; }
.stat {
  background:var(--surface); border:1px solid var(--border); border-radius:var(--radius);
  padding:18px; position:relative; overflow:hidden; box-shadow:var(--shadow);
  transition:transform .22s ease, box-shadow .22s ease;
}
.stat:hover { transform:translateY(-3px); box-shadow:var(--shadow-lg); }
.stat::after { content:''; position:absolute; top:0; left:0; right:0; height:3px; }
.stat.indigo::after, .stat.blue::after { background:var(--primary); }
.stat.cyan::after   { background:var(--accent); }
.stat.green::after  { background:var(--success); }
.stat.red::after    { background:var(--danger); }
.stat.orange::after { background:var(--orange); }
.stat.yellow::after { background:var(--warning); }
.stat-label { font-size:10.5px; font-weight:700; color:var(--text-muted); text-transform:uppercase; letter-spacing:0.6px; margin-bottom:6px; }
.stat-val { font-size:24px; font-weight:700; font-family:var(--mono); color:var(--text); }
.stat-sub { font-size:11px; color:var(--text-muted); margin-top:3px; }
.stat-ico { position:absolute; right:14px; top:50%; transform:translateY(-50%); color:var(--primary); opacity:0.10; }
.stat-ico .ic { width:42px; height:42px; }

/* Buttons */
.btn {
  display:inline-flex; align-items:center; gap:6px; padding:8px 14px;
  border-radius:var(--radius-sm); font-family:var(--font); font-size:13px; font-weight:600;
  cursor:pointer; border:1px solid transparent; text-decoration:none; white-space:nowrap;
  transition:background .16s ease, transform .16s ease, box-shadow .16s ease, border-color .16s;
}
.btn:hover { transform:translateY(-1px); }
.btn:active { transform:translateY(0) scale(.98); }
.btn-primary { background:var(--primary); color:#fff; border-color:var(--primary); box-shadow:0 2px 8px rgba(29,78,216,0.28); }
.btn-primary:hover { background:var(--primary-dark); box-shadow:0 4px 14px rgba(29,78,216,0.36); }
.btn-secondary { background:var(--surface); color:var(--text); border-color:var(--border); }
.btn-secondary:hover { background:var(--surface2); border-color:#bcd0ec; }
.btn-success { background:var(--success); color:#fff; border-color:var(--success); }
.btn-success:hover { background:#15803d; }
.btn-danger { background:var(--danger); color:#fff; border-color:var(--danger); }
.btn-danger:hover { background:#b91c1c; }
.btn-warning { background:var(--warning); color:#fff; border-color:var(--warning); }
.btn-outline { background:transparent; color:var(--primary); border-color:var(--primary); }
.btn-outline:hover { background:var(--primary-glow); }
.btn-sm { padding:5px 10px; font-size:12px; }
.btn-xs { padding:3px 8px; font-size:11px; }
.btn-icon { padding:7px; }
.btn .ic { vertical-align:-1px; }

/* Forms */
.form-group { margin-bottom:14px; }
.form-label { display:block; font-size:11px; font-weight:700; color:var(--text-muted); text-transform:uppercase; letter-spacing:0.4px; margin-bottom:5px; }
.form-control {
  width:100%; padding:8px 11px; background:var(--surface2); border:1px solid var(--border);
  border-radius:var(--radius-sm); color:var(--text); font-family:var(--font); font-size:13px;
  outline:none; transition:border-color .18s, box-shadow .18s, background .18s;
}
.form-control:focus { border-color:var(--primary); background:#fff; box-shadow:0 0 0 3px var(--primary-glow); }
.form-control::placeholder { color:var(--text-dim); }
select.form-control { cursor:pointer; }
textarea.form-control { resize:vertical; min-height:75px; }
.form-row { display:grid; grid-template-columns:1fr 1fr; gap:14px; }
.form-row-3 { display:grid; grid-template-columns:1fr 1fr 1fr; gap:14px; }
.form-row-4 { display:grid; grid-template-columns:1fr 1fr 1fr 1fr; gap:14px; }
.input-group { display:flex; }
.input-group .form-control { border-radius:var(--radius-sm) 0 0 var(--radius-sm); }
.input-group .btn { border-radius:0 var(--radius-sm) var(--radius-sm) 0; }

/* Search input with icon */
.search-box { position:relative; }
.search-box .ic { position:absolute; left:10px; top:50%; transform:translateY(-50%); color:var(--text-dim); pointer-events:none; }
.search-box .form-control { padding-left:32px; }

/* Tables */
.table-wrap { overflow-x:auto; }
table { width:100%; border-collapse:collapse; }
thead tr { border-bottom:1px solid var(--border); background:#f0f5fd; }
thead th { padding:9px 13px; font-size:10.5px; font-weight:700; color:#43598a; text-transform:uppercase; letter-spacing:0.5px; text-align:left; white-space:nowrap; }
tbody tr { border-bottom:1px solid var(--border); transition:background .14s ease; }
tbody tr:last-child { border-bottom:none; }
tbody tr:hover { background:#f4f8fe; }
tbody td { padding:11px 13px; font-size:13px; }
tfoot tr { border-top:2px solid var(--border); background:var(--surface2); }
tfoot td { padding:10px 13px; font-weight:600; }

/* Badges */
.badge { display:inline-flex; align-items:center; gap:4px; padding:2px 8px; border-radius:20px; font-size:10.5px; font-weight:600; }
.badge .ic { width:11px; height:11px; }
.badge-green  { background:#dcfce7; color:#166534; }
.badge-red    { background:#fee2e2; color:#991b1b; }
.badge-yellow { background:#fef3c7; color:#92400e; }
.badge-blue   { background:#dbeafe; color:#1e40af; }
.badge-indigo { background:#e0e9ff; color:#2b3ea8; }
.badge-cyan   { background:#cffafe; color:#155e75; }
.badge-orange { background:#ffedd5; color:#9a3412; }
.badge-gray   { background:#eef2f8; color:#475569; }

/* Modal */
.modal-overlay {
  display:none; position:fixed; inset:0; background:rgba(7,38,98,.45); z-index:1000;
  align-items:center; justify-content:center; backdrop-filter:blur(3px);
}
.modal-overlay.open { display:flex; animation:fadeIn .2s ease; }
.modal {
  background:var(--surface); border:1px solid var(--border); border-radius:var(--radius);
  width:90%; max-width:580px; max-height:92vh; overflow-y:auto;
  box-shadow:0 24px 60px -10px rgba(7,38,98,0.35);
}
.modal-overlay.open .modal { animation:popIn .26s cubic-bezier(.16,1,.3,1); }
.modal-lg { max-width:900px; }
.modal-xl { max-width:1100px; }
.modal-header { padding:16px 18px; border-bottom:1px solid var(--border); display:flex; align-items:center; gap:10px; }
.modal-header h2 { font-size:14px; font-weight:700; flex:1; display:flex; align-items:center; gap:8px; }
.modal-header h2 .ic { color:var(--primary); }
.modal-body { padding:18px; }
.modal-footer { padding:14px 18px; border-top:1px solid var(--border); display:flex; justify-content:flex-end; gap:8px; background:var(--surface2); }
.modal-close { background:none; border:none; color:var(--text-muted); cursor:pointer; padding:5px; line-height:0; border-radius:6px; transition:all .15s; }
.modal-close:hover { color:var(--danger); background:#fee2e2; }

/* Alerts */
.alert { padding:11px 14px; border-radius:var(--radius-sm); font-size:13px; margin-bottom:14px; border:1px solid; animation:slideInL .3s ease; }
.alert-success { background:#f0fdf4; border-color:#86efac; color:#166534; }
.alert-danger  { background:#fef2f2; border-color:#fca5a5; color:#991b1b; }
.alert-warning { background:#fffbeb; border-color:#fcd34d; color:#92400e; }
.alert-info    { background:#eff6ff; border-color:#93c5fd; color:#1e40af; }

/* Tabs */
.tabs { display:flex; gap:2px; border-bottom:1px solid var(--border); margin-bottom:18px; flex-wrap:wrap; }
.tab-btn {
  padding:9px 16px; background:none; border:none; border-bottom:2px solid transparent;
  color:var(--text-muted); font-family:var(--font); font-size:13px; font-weight:600; cursor:pointer;
  transition:all .18s; margin-bottom:-1px; text-decoration:none;
  display:inline-flex; align-items:center; gap:7px;
}
.tab-btn.active { color:var(--primary); border-bottom-color:var(--primary); }
.tab-btn:hover { color:var(--text); background:var(--primary-glow); border-radius:6px 6px 0 0; }

/* Order Items Table */
.items-table { width:100%; border-collapse:collapse; margin-top:10px; }
.items-table th { padding:8px 10px; font-size:11px; font-weight:700; color:#43598a; text-transform:uppercase; border-bottom:1px solid var(--border); text-align:left; background:#f0f5fd; }
.items-table td { padding:7px 8px; border-bottom:1px solid var(--border); vertical-align:middle; }
.items-table .form-control { padding:5px 8px; font-size:12.5px; }
.items-table tr:last-child td { border-bottom:none; }

/* Ledger colors */
.dr { color:var(--danger); }
.cr { color:var(--success); }

/* Toast */
#toast-container { position:fixed; bottom:18px; right:18px; z-index:9999; display:flex; flex-direction:column; gap:7px; }
.toast {
  padding:11px 16px; border-radius:var(--radius-sm); font-size:13px;
  box-shadow:0 10px 24px -4px rgba(7,38,98,0.3); animation:toastIn .32s cubic-bezier(.16,1,.3,1);
  min-width:220px; display:flex; align-items:center; gap:9px; color:#fff; font-weight:500;
}
.toast .ic { flex-shrink:0; }
.toast.success { background:var(--success); }
.toast.error   { background:var(--danger); }
.toast.info    { background:var(--primary); }

/* Pagination */
.pagination { display:flex; gap:4px; justify-content:center; margin-top:14px; flex-wrap:wrap; }
.page-btn {
  min-width:30px; height:30px; display:flex; align-items:center; justify-content:center;
  border-radius:var(--radius-sm); border:1px solid var(--border); background:var(--surface);
  color:var(--text); cursor:pointer; font-size:12.5px; text-decoration:none; padding:0 6px;
  transition:all .16s;
}
.page-btn:hover { background:var(--primary-glow); border-color:var(--primary); color:var(--primary); transform:translateY(-1px); }
.page-btn.active { background:var(--primary); border-color:var(--primary); color:#fff; }

/* Product picker rows */
.pick-row {
  display:flex; align-items:center; justify-content:space-between; padding:7px 10px;
  background:var(--surface2); border-radius:8px; border:1px solid var(--border);
  transition:border-color .15s, background .15s, transform .15s;
}
.pick-row:hover { border-color:var(--primary); background:#fff; transform:translateX(2px); }

/* Print */
@media print {
  .sidebar,.topbar,.no-print { display:none !important; }
  .main { margin-left:0 !important; }
  body { background:#fff; color:#000; }
  .card { border:1px solid #ccc; box-shadow:none; }
  .page > * { animation:none !important; }
}

/* Utility */
.flex { display:flex; }
.flex-between { display:flex; justify-content:space-between; align-items:center; }
.flex-gap { display:flex; gap:8px; align-items:center; }
.flex-gap-sm { display:flex; gap:5px; align-items:center; }
.grid-2 { display:grid; grid-template-columns:1fr 1fr; gap:16px; }
.grid-3 { display:grid; grid-template-columns:1fr 1fr 1fr; gap:16px; }
.w-full { width:100%; }
.text-muted { color:var(--text-muted); }
.text-sm { font-size:12px; }
.text-xs { font-size:11px; }
.text-mono { font-family:var(--mono); }
.text-right { text-align:right; }
.text-center { text-align:center; }
.text-primary { color:var(--primary); }
.text-success { color:var(--success); }
.text-danger  { color:var(--danger); }
.text-warning { color:var(--warning); }
.font-bold { font-weight:700; }
.mt-1{margin-top:8px}.mt-2{margin-top:16px}.mt-3{margin-top:24px}
.mb-1{margin-bottom:8px}.mb-2{margin-bottom:16px}.mb-3{margin-bottom:24px}
.hidden { display:none !important; }
.divider { border:none; border-top:1px solid var(--border); margin:16px 0; }

/* Status colors */
.status-draft      { color:var(--text-muted); }
.status-confirmed  { color:var(--info); }
.status-dispatched { color:var(--warning); }
.status-delivered  { color:var(--success); }
.status-cancelled  { color:var(--danger); }
.status-returned   { color:var(--orange); }
.status-received   { color:var(--success); }
.status-partial    { color:var(--warning); }
.status-ordered    { color:var(--info); }

/* Responsive */
@media (max-width: 900px) {
  .grid-2, .grid-3, .form-row, .form-row-3, .form-row-4 { grid-template-columns:1fr; }
}