/* ==============================================
   NEXCOD POS — Design System (v3)
   Modern SaaS palette · Inter + Plus Jakarta Sans
   ============================================== */

:root {
  /* ---- Brand ---- */
  --brand-50:  #eef2ff;
  --brand-100: #e0e7ff;
  --brand-200: #c7d2fe;
  --brand-300: #a5b4fc;
  --brand-400: #818cf8;
  --brand-500: #6366f1;
  --brand-600: #4f46e5;
  --brand-700: #4338ca;
  --brand-800: #3730a3;
  --brand-900: #312e81;

  --violet-500: #8b5cf6;
  --violet-600: #7c3aed;
  --violet-700: #6d28d9;

  /* ---- Neutrals (Slate) ---- */
  --slate-50:  #f8fafc;
  --slate-100: #f1f5f9;
  --slate-200: #e2e8f0;
  --slate-300: #cbd5e1;
  --slate-400: #94a3b8;
  --slate-500: #64748b;
  --slate-600: #475569;
  --slate-700: #334155;
  --slate-800: #1e293b;
  --slate-900: #0f172a;
  --slate-950: #020617;

  /* ---- Semantic ---- */
  --success: #10b981;
  --success-bg: #d1fae5;
  --warning: #f59e0b;
  --warning-bg: #fef3c7;
  --danger: #e11d48;
  --danger-bg: #ffe4e6;
  --info: #3b82f6;
  --info-bg: #dbeafe;

  /* ---- Surfaces (light theme) ---- */
  --bg:           #fafafa;
  --bg-elevated:  #ffffff;
  --surface:      #ffffff;
  --surface-2:    #f8fafc;
  --border:       #e5e7eb;
  --border-strong:#d1d5db;
  --text:         #0f172a;
  --text-muted:   #64748b;
  --text-dim:     #94a3b8;

  /* ---- Shadows ---- */
  --shadow-xs: 0 1px 2px 0 rgb(15 23 42 / 0.04);
  --shadow-sm: 0 1px 3px 0 rgb(15 23 42 / 0.06), 0 1px 2px -1px rgb(15 23 42 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(15 23 42 / 0.07), 0 2px 4px -2px rgb(15 23 42 / 0.05);
  --shadow-lg: 0 10px 15px -3px rgb(15 23 42 / 0.08), 0 4px 6px -4px rgb(15 23 42 / 0.05);
  --shadow-xl: 0 20px 25px -5px rgb(15 23 42 / 0.10), 0 8px 10px -6px rgb(15 23 42 / 0.06);

  /* ---- Radii ---- */
  --r-sm:  6px;
  --r-md:  10px;
  --r-lg:  14px;
  --r-xl:  18px;
  --r-2xl: 24px;

  /* ---- Type ---- */
  --ff-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --ff-display: 'Plus Jakarta Sans', 'Inter', sans-serif;
  --ff-mono: 'JetBrains Mono', ui-monospace, monospace;

  /* ---- Layout ---- */
  --sidebar-w: 260px;
  --topbar-h:  64px;
  --content-max: 1320px;

  /* ---- Aliases (used by admin.css / dashboard.css / public.css) ---- */
  --primary:   var(--brand-600);
  --bg-card:   var(--surface);
  --bg-subtle: var(--surface-2);
}

/* ==============================================
   Dark theme
   ============================================== */
[data-theme="dark"] {
  --bg:           #0a0a0f;
  --bg-elevated:  #111118;
  --surface:      #161620;
  --surface-2:    #1c1c28;
  --border:       #262635;
  --border-strong:#363645;
  --text:         #f1f5f9;
  --text-muted:   #94a3b8;
  --text-dim:     #64748b;

  --shadow-xs: 0 1px 2px 0 rgb(0 0 0 / 0.4);
  --shadow-sm: 0 1px 3px 0 rgb(0 0 0 / 0.5), 0 1px 2px -1px rgb(0 0 0 / 0.4);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.5), 0 2px 4px -2px rgb(0 0 0 / 0.4);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.5);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.55);
}

/* ==============================================
   Reset + base
   ============================================== */
*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; tab-size: 4; }

body {
  margin: 0;
  font-family: var(--ff-sans);
  font-size: 14px;
  line-height: 1.55;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--ff-display);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
  margin: 0;
}

h1 { font-size: 28px; line-height: 1.2; }
h2 { font-size: 22px; line-height: 1.25; }
h3 { font-size: 18px; line-height: 1.3; }
h4 { font-size: 16px; line-height: 1.4; }

p { margin: 0; color: var(--text-muted); }

a { color: var(--brand-600); text-decoration: none; transition: color .15s; }
a:hover { color: var(--brand-700); }

input, textarea, select, button { font-family: inherit; font-size: inherit; }

::selection { background: var(--brand-200); color: var(--brand-900); }

/* ==============================================
   Buttons
   ============================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  border-radius: var(--r-md);
  border: 1px solid transparent;
  font-weight: 600;
  font-size: 13.5px;
  cursor: pointer;
  transition: all .15s ease;
  white-space: nowrap;
  text-decoration: none;
  line-height: 1;
  user-select: none;
}

.btn:disabled, .btn.disabled {
  opacity: 0.5; cursor: not-allowed; pointer-events: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--brand-600), var(--violet-600));
  color: #fff;
  box-shadow: 0 1px 2px rgb(79 70 229 / 0.20), inset 0 1px 0 rgb(255 255 255 / 0.15);
}
.btn-primary:hover { filter: brightness(.96); color: #fff; }
.btn-primary:active { transform: translateY(0); }

.btn-secondary {
  background: var(--surface);
  color: var(--text);
  border-color: var(--border-strong);
}
.btn-secondary:hover { background: var(--surface-2); border-color: var(--brand-400); color: var(--text); }

.btn-ghost {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid transparent;
}
.btn-ghost:hover { background: var(--surface-2); color: var(--text); }

.btn-danger {
  background: var(--danger);
  color: #fff;
}
.btn-danger:hover { background: #be123c; color: #fff; }

.btn-success { background: var(--success); color: #fff; }
.btn-success:hover { background: #059669; color: #fff; }

.btn-sm { padding: 6px 12px; font-size: 12px; }
.btn-lg { padding: 13px 22px; font-size: 15px; }
.btn-icon { padding: 8px; width: 36px; height: 36px; }
.btn-block { width: 100%; }

/* ==============================================
   Forms
   ============================================== */
.form-group { margin-bottom: 16px; }

.label {
  display: block;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
  letter-spacing: -0.01em;
}

.input, .textarea, .select {
  width: 100%;
  padding: 10px 14px;
  background: var(--surface);
  border: 1px solid var(--border-strong);
  border-radius: var(--r-md);
  color: var(--text);
  font-size: 14px;
  transition: border .15s, box-shadow .15s;
  outline: none;
}

.input:focus, .textarea:focus, .select:focus {
  border-color: var(--brand-500);
  box-shadow: 0 0 0 4px rgb(99 102 241 / 0.15);
}

.input::placeholder, .textarea::placeholder { color: var(--text-dim); }

.textarea { min-height: 96px; resize: vertical; line-height: 1.55; }

.select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 38px;
}

.input-icon-wrap { position: relative; }
.input-icon-wrap .input { padding-left: 40px; }
.input-icon-wrap .icon {
  position: absolute; left: 12px; top: 50%; transform: translateY(-50%);
  color: var(--text-dim);
}

.help-text { font-size: 12px; color: var(--text-dim); margin-top: 6px; }
.error-text { font-size: 12px; color: var(--danger); margin-top: 6px; }

/* ==============================================
   Cards
   ============================================== */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-xs);
  overflow: hidden;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}
.card-header h3 { font-size: 15px; font-weight: 700; }

.card-body { padding: 20px; }

/* ==============================================
   Badges
   ============================================== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.01em;
  text-transform: capitalize;
  white-space: nowrap;
}

.badge-primary { background: var(--brand-100); color: var(--brand-700); }
.badge-success { background: var(--success-bg); color: #065f46; }
.badge-warning { background: var(--warning-bg); color: #92400e; }
.badge-danger  { background: var(--danger-bg); color: #9f1239; }
.badge-info    { background: var(--info-bg); color: #1e40af; }
.badge-muted   { background: var(--slate-100); color: var(--slate-600); }

/* ==============================================
   Tables
   ============================================== */
.table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
}

.table th {
  text-align: left;
  padding: 12px 16px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--text-muted);
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
}

.table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  color: var(--text);
  vertical-align: middle;
}

.table tr:last-child td { border-bottom: 0; }
.table tr:hover td { background: var(--surface-2); }

.table .text-right { text-align: right; }
.table .text-center { text-align: center; }

/* ==============================================
   Utilities
   ============================================== */
.flex { display: flex; }
.flex-1 { flex: 1; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: 4px; } .gap-2 { gap: 8px; } .gap-3 { gap: 12px; } .gap-4 { gap: 16px; }
.grid { display: grid; }
.grid-2 { grid-template-columns: repeat(2, 1fr); gap: 16px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); gap: 16px; }
.grid-4 { grid-template-columns: repeat(4, 1fr); gap: 16px; }

.text-muted { color: var(--text-muted); }
.text-dim { color: var(--text-dim); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }
.text-warning { color: var(--warning); }
.text-primary { color: var(--brand-600); }
.text-mono { font-family: var(--ff-mono); }
.text-xs { font-size: 11px; } .text-sm { font-size: 12.5px; } .text-lg { font-size: 16px; }
.font-semibold { font-weight: 600; } .font-bold { font-weight: 700; }

.mt-0 { margin-top: 0; } .mt-1 { margin-top: 4px; } .mt-2 { margin-top: 8px; }
.mt-3 { margin-top: 12px; } .mt-4 { margin-top: 16px; } .mt-6 { margin-top: 24px; }
.mb-0 { margin-bottom: 0; } .mb-1 { margin-bottom: 4px; } .mb-2 { margin-bottom: 8px; }
.mb-3 { margin-bottom: 12px; } .mb-4 { margin-bottom: 16px; } .mb-6 { margin-bottom: 24px; }

.w-full { width: 100%; }
.hidden { display: none !important; }
.cursor-pointer { cursor: pointer; }

.divider { height: 1px; background: var(--border); margin: 16px 0; }

.skeleton {
  background: linear-gradient(90deg, var(--surface-2) 0%, var(--border) 50%, var(--surface-2) 100%);
  background-size: 200% 100%;
  animation: skeleton 1.4s linear infinite;
  border-radius: var(--r-sm);
}
@keyframes skeleton { 0% { background-position: 200% 0; } 100% { background-position: -200% 0; } }

/* ==============================================
   Toast
   ============================================== */
.toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
}
.toast {
  pointer-events: auto;
  min-width: 280px;
  max-width: 400px;
  padding: 12px 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  box-shadow: var(--shadow-lg);
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 10px;
  animation: toast-in .25s ease-out;
}
.toast.success { border-left: 4px solid var(--success); }
.toast.error   { border-left: 4px solid var(--danger); }
.toast.info    { border-left: 4px solid var(--info); }
.toast.warning { border-left: 4px solid var(--warning); }
@keyframes toast-in { from { transform: translateX(20px); opacity: 0; } to { transform: translateX(0); opacity: 1; } }

/* ==============================================
   Modal
   ============================================== */
.modal-backdrop {
  position: fixed; inset: 0;
  background: rgb(15 23 42 / 0.55);
  backdrop-filter: blur(4px);
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}
.modal-backdrop.is-open { display: flex; animation: fade-in .15s; }
.modal {
  background: var(--surface);
  border-radius: var(--r-xl);
  box-shadow: var(--shadow-xl);
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  overflow-y: auto;
  animation: modal-in .25s ease-out;
}
.modal.wide { max-width: 760px; }
.modal-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.modal-header h3 { font-size: 16px; }
.modal-body { padding: 24px; }
.modal-footer {
  padding: 16px 24px;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
  gap: 10px;
}
@keyframes fade-in { from { opacity: 0; } to { opacity: 1; } }
@keyframes modal-in { from { opacity: 0; transform: translateY(10px) scale(0.98); } to { opacity: 1; transform: translateY(0) scale(1); } }

/* ==============================================
   Empty state
   ============================================== */
.empty-state {
  text-align: center;
  padding: 48px 20px;
}
.empty-state .icon {
  width: 56px; height: 56px;
  border-radius: 50%;
  background: var(--surface-2);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: var(--text-dim);
  margin-bottom: 14px;
}
.empty-state h4 { margin-bottom: 6px; }
.empty-state p { font-size: 13px; max-width: 320px; margin: 0 auto; }

/* Brand logo image (drop /assets/logo.png to replace the "N" badge everywhere) */
/* Brand logo image (drop /assets/logo.png to replace the "N" badge everywhere).
   When a real logo is present, remove the indigo gradient so the logo shows clean,
   and use 'contain' so the whole logo is visible (not cropped). */
.brand-icon img, .sidebar-brand-icon img { width: 100%; height: 100%; object-fit: contain; border-radius: inherit; display: block; }
.brand-icon:has(img),
.sidebar-brand-icon:has(img),
.dash-sidebar .brand-icon:has(img) {
  background: transparent !important;
  box-shadow: none !important;
}
/* ============================================================
   DARK MODE  (toggled via <html data-theme="dark">)
   ============================================================ */
[data-theme="dark"] {
  --bg:            #0b1220;
  --bg-elevated:   #131c2e;
  --surface:       #131c2e;
  --surface-2:     #0f1828;
  --bg-subtle:     #0f1828;
  --border:        #243049;
  --border-strong: #33415c;
  --text:          #e8edf5;
  --text-muted:    #9fb0c7;
  --text-dim:      #6b7d96;
  --shadow-sm: 0 1px 3px 0 rgb(0 0 0 / 0.4);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.5);
  --shadow-lg: 0 10px 20px -3px rgb(0 0 0 / 0.55);
}
[data-theme="dark"] body,
[data-theme="dark"] body.dash-body { background: var(--bg); color: var(--text); }

/* Shell pieces that were hard-coded white */
[data-theme="dark"] .dash-sidebar,
[data-theme="dark"] .dash-topbar,
[data-theme="dark"] .dash-table-wrap,
[data-theme="dark"] .notif-panel,
[data-theme="dark"] .dash-card,
[data-theme="dark"] .card,
[data-theme="dark"] .stat-card,
[data-theme="dark"] .panel { background: var(--surface) !important; border-color: var(--border); color: var(--text); }

/* Tables */
[data-theme="dark"] .dash-table thead th { background: var(--surface-2); color: var(--text-muted); border-color: var(--border); }
[data-theme="dark"] .dash-table tbody td { border-color: var(--border); color: var(--text); }
[data-theme="dark"] .dash-table tbody tr:hover { background: rgba(255,255,255,.04); }

/* Form fields */
[data-theme="dark"] .form-input,
[data-theme="dark"] .form-select,
[data-theme="dark"] textarea,
[data-theme="dark"] input[type="text"],
[data-theme="dark"] input[type="email"],
[data-theme="dark"] input[type="number"],
[data-theme="dark"] input[type="password"],
[data-theme="dark"] input[type="search"],
[data-theme="dark"] input[type="date"] { background: var(--surface-2) !important; color: var(--text) !important; border-color: var(--border) !important; }
[data-theme="dark"] ::placeholder { color: var(--text-dim); }

/* Sidebar links + topbar buttons */
[data-theme="dark"] .dash-link { color: var(--text-muted); }
[data-theme="dark"] .dash-link:hover { background: rgba(255,255,255,.05); color: var(--text); }
[data-theme="dark"] .dash-topbar h1 { color: var(--text); }
[data-theme="dark"] .fs-btn, [data-theme="dark"] .notif-bell, [data-theme="dark"] .sidebar-toggle { color: var(--text-muted); }
[data-theme="dark"] .fs-btn:hover, [data-theme="dark"] .notif-bell:hover, [data-theme="dark"] .sidebar-toggle:hover { background: rgba(255,255,255,.06); color: var(--text); }

/* Notification items + quicknav */
[data-theme="dark"] .notif-item { border-color: var(--border); }
[data-theme="dark"] .notif-item:hover { background: rgba(255,255,255,.04); }
[data-theme="dark"] .qn-item { color: var(--text-muted); }
[data-theme="dark"] .qn-item:hover, [data-theme="dark"] .qn-item.active { background: rgba(255,255,255,.06); color: var(--text); }

/* Generic white backgrounds inside the dashboard content */
[data-theme="dark"] .dash-content [style*="background:#fff"],
[data-theme="dark"] .dash-content [style*="background: #fff"],
[data-theme="dark"] .dash-content [style*="background:#ffffff"] { background: var(--surface) !important; }
[data-theme="dark"] .dash-table-wrap { box-shadow: none; }