/* =========================================================================
   Noosa Kitchen - Employee Management Stylesheet
   Modern, Clean, High-Contrast Swiss / Plus Jakarta Sans Theme
   ========================================================================= */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap');
@import url('https://cdn.jsdelivr.net/npm/bootstrap-icons@1.11.3/font/bootstrap-icons.min.css');

:root {
  --nk-font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --nk-font-mono: 'JetBrains Mono', SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  /* Color Palette */
  --nk-bg-body: #f8fafc;
  --nk-bg-surface: #ffffff;
  --nk-bg-subtle: #f1f5f9;
  --nk-border-color: #e2e8f0;
  --nk-border-strong: #cbd5e1;

  --nk-text-main: #0f172a;
  --nk-text-muted: #64748b;
  --nk-text-subtle: #94a3b8;

  --nk-primary: #004eeb;
  --nk-primary-hover: #003ecc;
  --nk-primary-surface: #eff4fe;
  
  --nk-sidebar-bg: #090d16;
  --nk-sidebar-hover: #1e293b;
  --nk-sidebar-active: #2563eb;
  --nk-sidebar-text: #94a3b8;
  --nk-sidebar-text-active: #ffffff;

  --nk-ok: #0d9488;
  --nk-ok-surface: #f0fdfa;
  --nk-warn: #ea580c;
  --nk-warn-surface: #fff7ed;
  --nk-err: #dc2626;
  --nk-err-surface: #fef2f2;
  --nk-purple: #7c3aed;
  --nk-purple-surface: #f5f3ff;

  --nk-radius-sm: 6px;
  --nk-radius-md: 8px;
  --nk-radius-lg: 12px;
  --nk-radius-xl: 16px;

  --nk-shadow-xs: 0 1px 2px 0 rgba(15, 23, 42, 0.04);
  --nk-shadow-sm: 0 1px 3px 0 rgba(15, 23, 42, 0.06), 0 1px 2px -1px rgba(15, 23, 42, 0.04);
  --nk-shadow-md: 0 4px 6px -1px rgba(15, 23, 42, 0.07), 0 2px 4px -2px rgba(15, 23, 42, 0.05);
  --nk-shadow-lg: 0 10px 15px -3px rgba(15, 23, 42, 0.08), 0 4px 6px -4px rgba(15, 23, 42, 0.03);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--nk-font-sans);
  font-size: 0.875rem;
  line-height: 1.5;
  color: var(--nk-text-main);
  background-color: var(--nk-bg-body);
  -webkit-font-smoothing: antialiased;
}

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

.app-sidebar {
  width: 260px;
  background-color: var(--nk-sidebar-bg);
  color: var(--nk-sidebar-text);
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  transition: all 0.2s ease;
  z-index: 100;
}

.sidebar-brand {
  padding: 24px 20px;
  display: flex;
  align-items: center;
  gap: 12px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.brand-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, #2563eb, #004eeb);
  border-radius: var(--nk-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.2rem;
  font-weight: 700;
}

.brand-text h2 {
  font-size: 0.95rem;
  font-weight: 700;
  color: #ffffff;
  letter-spacing: -0.02em;
}

.brand-text p {
  font-size: 0.72rem;
  color: var(--nk-text-subtle);
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.sidebar-nav {
  padding: 16px 12px;
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.nav-section-title {
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #64748b;
  padding: 12px 12px 6px 12px;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  color: var(--nk-sidebar-text);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 500;
  border-radius: var(--nk-radius-md);
  transition: all 0.15s ease;
}

.nav-item i {
  font-size: 1.1rem;
}

.nav-item:hover {
  background-color: var(--nk-sidebar-hover);
  color: #ffffff;
}

.nav-item.active {
  background-color: var(--nk-sidebar-active);
  color: var(--nk-sidebar-text-active);
  font-weight: 600;
}

.sidebar-footer {
  padding: 16px;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.user-badge {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.avatar {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: #1e293b;
  color: #38bdf8;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.user-info .user-name {
  font-size: 0.82rem;
  font-weight: 600;
  color: #ffffff;
}

.user-info .user-role {
  font-size: 0.7rem;
  color: #94a3b8;
}

.btn-logout {
  color: #94a3b8;
  padding: 6px 8px;
  border-radius: var(--nk-radius-sm);
  text-decoration: none;
  font-size: 1.1rem;
}

.btn-logout:hover {
  color: #ef4444;
  background-color: rgba(239, 68, 68, 0.1);
}

/* Main Content Area */
.app-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-width: 0;
  overflow-x: hidden;
}

.app-topbar {
  background-color: var(--nk-bg-surface);
  border-bottom: 1px solid var(--nk-border-color);
  padding: 12px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.page-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--nk-text-main);
  letter-spacing: -0.02em;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.app-content {
  padding: 28px;
  flex: 1;
}

/* Metrics & Stat Cards */
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
  margin-bottom: 28px;
}

.metric-card {
  background-color: var(--nk-bg-surface);
  border: 1px solid var(--nk-border-color);
  border-radius: var(--nk-radius-lg);
  padding: 20px;
  box-shadow: var(--nk-shadow-xs);
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.metric-card:hover {
  box-shadow: var(--nk-shadow-md);
  transform: translateY(-2px);
}

.metric-info p {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--nk-text-muted);
  margin-bottom: 6px;
}

.metric-value {
  font-size: 1.85rem;
  font-weight: 800;
  color: var(--nk-text-main);
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
  line-height: 1.2;
}

.metric-sub {
  font-size: 0.75rem;
  color: var(--nk-text-muted);
  margin-top: 6px;
}

.metric-icon {
  width: 44px;
  height: 44px;
  border-radius: var(--nk-radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.35rem;
}

.icon-blue { background: var(--nk-primary-surface); color: var(--nk-primary); }
.icon-teal { background: var(--nk-ok-surface); color: var(--nk-ok); }
.icon-orange { background: var(--nk-warn-surface); color: var(--nk-warn); }
.icon-purple { background: var(--nk-purple-surface); color: var(--nk-purple); }

/* Panels & Cards */
.panel {
  background-color: var(--nk-bg-surface);
  border: 1px solid var(--nk-border-color);
  border-radius: var(--nk-radius-lg);
  box-shadow: var(--nk-shadow-xs);
  margin-bottom: 24px;
}

.panel-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--nk-border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.panel-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--nk-text-main);
  display: flex;
  align-items: center;
  gap: 8px;
}

.panel-body {
  padding: 20px;
}

/* Tables */
.table-responsive {
  overflow-x: auto;
  width: 100%;
}

.nk-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.nk-table th {
  background-color: #f8fafc;
  color: var(--nk-text-muted);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 12px 16px;
  border-bottom: 1px solid var(--nk-border-color);
}

.nk-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--nk-border-color);
  font-size: 0.85rem;
  color: var(--nk-text-main);
  vertical-align: middle;
}

.nk-table tbody tr:hover {
  background-color: #f8fafc;
}

.nk-table tbody tr:last-child td {
  border-bottom: none;
}

/* Status Pills & Badges */
.pill {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 8px;
  border-radius: 9999px;
  font-size: 0.72rem;
  font-weight: 600;
  line-height: 1;
}

.pill-active { background: #dcfce7; color: #166534; }
.pill-inactive { background: #f1f5f9; color: #64748b; }
.pill-admin { background: #fee2e2; color: #991b1b; }
.pill-manager { background: #fef3c7; color: #92400e; }
.pill-cashier { background: #e0e7ff; color: #3730a3; }
.pill-kitchen { background: #ffedd5; color: #9a3412; }
.pill-staff { background: #f3e8ff; color: #6b21a8; }
.pill-pin-yes { background: #dcfce7; color: #166534; border: 1px solid #bbf7d0; }
.pill-pin-no { background: #f1f5f9; color: #94a3b8; }
.pill-env { background: #fef08a; color: #854d0e; font-size: 0.68rem; font-weight: 700; padding: 2px 6px; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: var(--nk-radius-md);
  font-size: 0.84rem;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  border: 1px solid transparent;
  transition: all 0.15s ease;
  line-height: 1.25;
}

.btn-sm {
  padding: 5px 10px;
  font-size: 0.78rem;
  border-radius: var(--nk-radius-sm);
}

.btn-primary {
  background-color: var(--nk-primary);
  color: #ffffff;
}

.btn-primary:hover {
  background-color: var(--nk-primary-hover);
  color: #ffffff;
}

.btn-secondary {
  background-color: #ffffff;
  color: var(--nk-text-main);
  border-color: var(--nk-border-color);
}

.btn-secondary:hover {
  background-color: #f1f5f9;
  border-color: var(--nk-border-strong);
}

.btn-danger {
  background-color: #ffffff;
  color: var(--nk-err);
  border-color: #fecaca;
}

.btn-danger:hover {
  background-color: var(--nk-err);
  color: #ffffff;
}

.btn-icon {
  width: 32px;
  height: 32px;
  padding: 0;
  border-radius: var(--nk-radius-sm);
}

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

.form-label {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--nk-text-main);
  margin-bottom: 6px;
}

.form-control {
  width: 100%;
  padding: 9px 12px;
  font-size: 0.85rem;
  font-family: inherit;
  color: var(--nk-text-main);
  background-color: #ffffff;
  border: 1px solid var(--nk-border-color);
  border-radius: var(--nk-radius-md);
  outline: none;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.form-control:focus {
  border-color: var(--nk-primary);
  box-shadow: 0 0 0 3px rgba(0, 78, 235, 0.12);
}

.form-control-mono {
  font-family: var(--nk-font-mono);
}

.form-hint {
  font-size: 0.72rem;
  color: var(--nk-text-muted);
  margin-top: 4px;
}

.search-input-group {
  position: relative;
  min-width: 240px;
}

.search-input-group i {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--nk-text-subtle);
}

.search-input-group input {
  padding-left: 36px;
}

/* Modals */
.modal-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(15, 23, 42, 0.5);
  backdrop-filter: blur(2px);
  z-index: 1000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-backdrop.active {
  display: flex;
}

.modal-container {
  background-color: var(--nk-bg-surface);
  border-radius: var(--nk-radius-lg);
  box-shadow: var(--nk-shadow-lg);
  width: 100%;
  max-width: 580px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  animation: modalFadeIn 0.2s ease-out;
}

.modal-container-lg {
  max-width: 780px;
}

@keyframes modalFadeIn {
  from { opacity: 0; transform: scale(0.96) translateY(-10px); }
  to { opacity: 1; transform: scale(1) translateY(0); }
}

.modal-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--nk-border-color);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--nk-text-main);
}

.btn-close {
  background: none;
  border: none;
  color: var(--nk-text-subtle);
  font-size: 1.25rem;
  cursor: pointer;
  padding: 4px;
}

.btn-close:hover {
  color: var(--nk-text-main);
}

.modal-body {
  padding: 20px;
  overflow-y: auto;
  flex: 1;
}

.modal-footer {
  padding: 16px 20px;
  border-top: 1px solid var(--nk-border-color);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
  background-color: #f8fafc;
  border-bottom-left-radius: var(--nk-radius-lg);
  border-bottom-right-radius: var(--nk-radius-lg);
}

/* Tabs */
.tabs-nav {
  display: flex;
  gap: 8px;
  border-bottom: 1px solid var(--nk-border-color);
  margin-bottom: 20px;
}

.tab-btn {
  padding: 8px 16px;
  background: none;
  border: none;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--nk-text-muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
}

.tab-btn:hover {
  color: var(--nk-text-main);
}

.tab-btn.active {
  color: var(--nk-primary);
  border-bottom-color: var(--nk-primary);
}

.tab-pane {
  display: none;
}

.tab-pane.active {
  display: block;
}

/* Flash Toasts */
.toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 2000;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.toast {
  padding: 12px 18px;
  border-radius: var(--nk-radius-md);
  font-size: 0.85rem;
  font-weight: 500;
  box-shadow: var(--nk-shadow-lg);
  display: flex;
  align-items: center;
  gap: 10px;
  min-width: 280px;
  max-width: 450px;
  animation: toastSlide 0.25s ease-out;
}

@keyframes toastSlide {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

.toast-success { background: #15803d; color: #ffffff; }
.toast-error { background: #b91c1c; color: #ffffff; }
.toast-info { background: #1d4ed8; color: #ffffff; }

/* Numeric PIN Pad Generator */
.pin-display {
  display: flex;
  gap: 10px;
  justify-content: center;
  margin: 16px 0;
}

.pin-digit {
  width: 44px;
  height: 48px;
  font-size: 1.5rem;
  font-weight: 700;
  font-family: var(--nk-font-mono);
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #f1f5f9;
  border: 2px solid var(--nk-border-color);
  border-radius: var(--nk-radius-md);
}

/* Responsive */
@media (max-width: 768px) {
  .app-container {
    flex-direction: column;
  }
  .app-sidebar {
    width: 100%;
  }
  .app-topbar {
    padding: 12px 16px;
  }
  .app-content {
    padding: 16px;
  }
}