/* ==========================================================================
   KKN4 CUTTING PLAN CONTROL SYSTEM - CORE DESIGN SYSTEM
   Modern, Ultra-Premium, Dynamic Industrial Theme
   ========================================================================== */

:root {
  /* Color Tokens */
  --primary: #4f46e5;
  --primary-hover: #4338ca;
  --primary-light: #eef2ff;
  --primary-border: #c7d2fe;
  
  --success: #10b981;
  --success-dark: #047857;
  --success-light: #ecfdf5;
  
  --warning: #f59e0b;
  --warning-dark: #b45309;
  --warning-light: #fffbeb;
  
  --danger: #ef4444;
  --danger-dark: #b91c1c;
  --danger-light: #fef2f2;
  
  --info: #06b6d4;
  --info-light: #ecfeff;
  
  --slate-900: #0f172a;
  --slate-800: #1e293b;
  --slate-700: #334155;
  --slate-600: #475569;
  --slate-500: #64748b;
  --slate-400: #94a3b8;
  --slate-300: #cbd5e1;
  --slate-200: #e2e8f0;
  --slate-100: #f1f5f9;
  --slate-50: #f8fafc;
  
  /* Surfaces */
  --bg-app: #0b1120;
  --bg-surface: #111827;
  --bg-card: rgba(17, 24, 39, 0.85);
  --bg-card-border: rgba(255, 255, 255, 0.08);
  --bg-card-hover: rgba(30, 41, 59, 0.8);
  
  /* Typography */
  --font-family: 'Sarabun', 'Inter', 'Noto Sans Khmer', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-khmer: 'Noto Sans Khmer', 'Sarabun', sans-serif;
  
  /* Radii */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.4);
  --shadow-glow-primary: 0 0 20px rgba(79, 70, 229, 0.35);
  --shadow-glow-success: 0 0 20px rgba(16, 185, 129, 0.35);
  --shadow-glow-danger: 0 0 20px rgba(239, 68, 68, 0.35);
  
  /* Transitions */
  --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Light Theme Variables (Dynamic Toggle) */
[data-theme="light"] {
  --bg-app: #f0f4f8;
  --bg-surface: #ffffff;
  --bg-card: #ffffff;
  --bg-card-border: #e2e8f0;
  --bg-card-hover: #f8fafc;
  --slate-900: #0f172a;
  --slate-800: #1e293b;
  --slate-700: #334155;
  --slate-600: #475569;
  --slate-500: #64748b;
  --slate-400: #94a3b8;
  --slate-300: #475569;
  --slate-200: #e2e8f0;
  --slate-100: #1e293b;
  --slate-50: #0f172a;
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.04);
}

/* Global Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-family);
  background-color: var(--bg-app);
  color: var(--slate-100);
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

[data-theme="light"] body {
  color: var(--slate-900);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
  width: 6px;
  height: 6px;
}
::-webkit-scrollbar-track {
  background: rgba(0, 0, 0, 0.1);
}
::-webkit-scrollbar-thumb {
  background: rgba(255, 255, 255, 0.2);
  border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover {
  background: rgba(255, 255, 255, 0.35);
}

/* App Header & Navigation Bar */
.app-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(15, 23, 42, 0.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  padding: 0.65rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

[data-theme="light"] .app-header {
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid #e2e8f0;
}

.brand-badge {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-logo {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, #4f46e5, #06b6d4);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1.25rem;
  box-shadow: var(--shadow-glow-primary);
  flex-shrink: 0;
}

.brand-title {
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, #ffffff 40%, #a5b4fc 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1.2;
}

[data-theme="light"] .brand-title {
  background: linear-gradient(135deg, #1e293b 40%, #4f46e5 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.brand-subtitle {
  font-size: 0.72rem;
  color: var(--slate-400);
  font-weight: 500;
}

/* Nav Tabs Pills */
.nav-scroll-container {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  overflow-x: auto;
  padding: 0.25rem;
  scrollbar-width: none;
}
.nav-scroll-container::-webkit-scrollbar {
  display: none;
}

.nav-tab-btn {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 0.85rem;
  border-radius: var(--radius-md);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--slate-300);
  background: transparent;
  border: 1px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: var(--transition-fast);
}

[data-theme="light"] .nav-tab-btn {
  color: var(--slate-600);
}

.nav-tab-btn:hover {
  background: rgba(255, 255, 255, 0.06);
  color: #ffffff;
}

[data-theme="light"] .nav-tab-btn:hover {
  background: #f1f5f9;
  color: var(--primary);
}

.nav-tab-btn.active {
  background: var(--primary);
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.2);
  box-shadow: 0 2px 10px rgba(79, 70, 229, 0.4);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  flex-shrink: 0;
}

.icon-btn {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--slate-300);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition-fast);
}

[data-theme="light"] .icon-btn {
  background: #ffffff;
  border-color: #e2e8f0;
  color: var(--slate-700);
}

.icon-btn:hover {
  background: rgba(255, 255, 255, 0.12);
  color: #ffffff;
}

.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.2rem 0.6rem;
  border-radius: var(--radius-full);
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.status-pill.online {
  background: rgba(16, 185, 129, 0.15);
  color: #34d399;
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.status-pill.online::before {
  content: '';
  width: 6px;
  height: 6px;
  background: #10b981;
  border-radius: 50%;
  box-shadow: 0 0 8px #10b981;
}

/* Main Content Area */
.stat-kpi-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.85rem;
  margin-bottom: 0.5rem;
}
@media (max-width: 1024px) {
  .stat-kpi-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (max-width: 640px) {
  .stat-kpi-grid {
    grid-template-columns: 1fr;
  }
}

.stat-kpi-card {
  background: #ffffff;
  padding: 1rem 1.15rem;
  border-radius: var(--radius-lg);
  border: 1px solid #e2e8f0;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
  display: flex;
  align-items: center;
  justify-content: space-between;
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.stat-kpi-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.06);
}

.stat-kpi-icon-box {
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.25rem;
  flex-shrink: 0;
}

.ccr-pillars-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr 1fr 1fr;
  gap: 0.85rem;
  margin-bottom: 0.5rem;
}
@media (max-width: 1200px) {
  .ccr-pillars-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (max-width: 640px) {
  .ccr-pillars-grid {
    grid-template-columns: 1fr;
  }
}
.app-main {
  flex: 1;
  padding: 1.25rem;
  max-width: 1720px;
  width: 100%;
  margin: 0 auto;
}

.module-section {
  display: none;
  animation: fadeIn 0.25s ease-out;
}

.module-section.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Cards & Glassmorphism */
.glass-card {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid var(--bg-card-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 1.25rem;
  transition: var(--transition-normal);
}

.glass-card:hover {
  border-color: rgba(255, 255, 255, 0.14);
}

[data-theme="light"] .glass-card {
  background: var(--bg-card);
  border-color: var(--bg-card-border);
}

/* Modern Form Controls */
.form-group {
  margin-bottom: 1rem;
}

.form-label {
  display: block;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--slate-300);
  margin-bottom: 0.4rem;
}

[data-theme="light"] .form-label {
  color: var(--slate-700);
}

.form-control {
  width: 100%;
  padding: 0.65rem 0.9rem;
  background: rgba(15, 23, 42, 0.6);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  color: #ffffff;
  font-family: var(--font-family);
  font-size: 0.88rem;
  transition: var(--transition-fast);
}

[data-theme="light"] .form-control {
  background: #ffffff;
  border-color: #cbd5e1;
  color: var(--slate-900);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.25);
}

/* Button System */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.6rem 1.15rem;
  border-radius: var(--radius-md);
  font-family: var(--font-family);
  font-size: 0.85rem;
  font-weight: 700;
  border: none;
  cursor: pointer;
  transition: var(--transition-fast);
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), #6366f1);
  color: #ffffff;
  box-shadow: var(--shadow-glow-primary);
}
.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-hover), #4f46e5);
  transform: translateY(-1px);
}

.btn-success {
  background: linear-gradient(135deg, var(--success), #059669);
  color: #ffffff;
  box-shadow: var(--shadow-glow-success);
}
.btn-success:hover {
  background: linear-gradient(135deg, #059669, #047857);
  transform: translateY(-1px);
}

.btn-danger {
  background: linear-gradient(135deg, var(--danger), #dc2626);
  color: #ffffff;
  box-shadow: var(--shadow-glow-danger);
}
.btn-danger:hover {
  background: linear-gradient(135deg, #dc2626, #b91c1c);
  transform: translateY(-1px);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  color: var(--slate-200);
  border: 1px solid rgba(255, 255, 255, 0.12);
}
.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.14);
  color: #ffffff;
}

[data-theme="light"] .btn-secondary {
  background: #f1f5f9;
  border-color: #cbd5e1;
  color: var(--slate-700);
}

.btn-lg {
  padding: 0.85rem 1.5rem;
  font-size: 1rem;
  border-radius: var(--radius-lg);
}

/* Modern Data Table */
.table-responsive {
  width: 100%;
  overflow-x: auto;
  border-radius: var(--radius-md);
}

.modern-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 0.82rem;
}

.modern-table th {
  background: rgba(30, 41, 59, 0.7);
  color: var(--slate-300);
  font-weight: 700;
  text-align: left;
  padding: 0.65rem 0.85rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  white-space: nowrap;
}

[data-theme="light"] .modern-table th {
  background: #f1f5f9;
  color: var(--slate-700);
  border-bottom-color: #cbd5e1;
}

.modern-table td {
  padding: 0.65rem 0.85rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  color: var(--slate-200);
  vertical-align: middle;
}

[data-theme="light"] .modern-table td {
  border-bottom-color: #f1f5f9;
  color: var(--slate-800);
}

.modern-table tbody tr:hover {
  background: rgba(255, 255, 255, 0.04);
}

[data-theme="light"] .modern-table tbody tr:hover {
  background: #f8fafc;
}

/* Toast / Alert Notification */
.toast-container {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.toast-item {
  min-width: 280px;
  max-width: 400px;
  background: #1e293b;
  color: #fff;
  padding: 0.85rem 1.15rem;
  border-radius: var(--radius-md);
  border-left: 4px solid var(--primary);
  box-shadow: 0 10px 25px rgba(0,0,0,0.5);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  animation: slideUp 0.25s ease-out;
}

.toast-item.success { border-left-color: var(--success); }
.toast-item.danger { border-left-color: var(--danger); }
.toast-item.warning { border-left-color: var(--warning); }

@keyframes slideUp {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Modal Dialog */
.modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 999;
  background: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(8px);
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

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

.modal-content {
  background: #1e293b;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  max-width: 700px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-lg);
  padding: 1.5rem;
}

[data-theme="light"] .modal-content {
  background: #ffffff;
  border-color: #cbd5e1;
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.2rem 0.55rem;
  border-radius: var(--radius-sm);
  font-size: 0.72rem;
  font-weight: 700;
}
.badge-ready { background: rgba(16, 185, 129, 0.2); color: #34d399; }
.badge-wait { background: rgba(245, 158, 11, 0.2); color: #fbbf24; }
.badge-pending { background: rgba(239, 68, 68, 0.2); color: #f87171; }
.badge-complete { background: rgba(79, 70, 229, 0.2); color: #818cf8; }

/* Light Theme Badges */
[data-theme="light"] .badge-ready {
  background: #dcfce7;
  color: #15803d;
  border: 1px solid #bbf7d0;
}
[data-theme="light"] .badge-wait {
  background: #fef3c7;
  color: #b45309;
  border: 1px solid #fde68a;
}
[data-theme="light"] .badge-pending {
  background: #fee2e2;
  color: #b91c1c;
  border: 1px solid #fecaca;
}
[data-theme="light"] .badge-complete {
  background: #e0e7ff;
  color: #4338ca;
  border: 1px solid #c7d2fe;
}

/* 3-Portal Ecosystem Banner */
.ecosystem-banner {
  background: #ffffff;
  border: 1.5px solid #e2e8f0;
  border-radius: var(--radius-lg);
  padding: 0.85rem 1.25rem;
  margin-bottom: 1.25rem;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

[data-theme="dark"] .ecosystem-banner {
  background: rgba(15, 23, 42, 0.85);
  border-color: rgba(255, 255, 255, 0.1);
}

.ecosystem-pipeline {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.pipeline-step {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.75rem;
  border-radius: var(--radius-md);
  font-size: 0.78rem;
  font-weight: 700;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  color: #334155;
  transition: all 0.2s ease;
}

[data-theme="dark"] .pipeline-step {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.1);
  color: #cbd5e1;
}

.pipeline-step.active {
  background: #eef2ff;
  border-color: #818cf8;
  color: #4338ca;
  box-shadow: 0 2px 8px rgba(79, 70, 229, 0.15);
}

.pipeline-step.success {
  background: #dcfce7;
  border-color: #86efac;
  color: #15803d;
}

.pipeline-arrow {
  color: #94a3b8;
  font-size: 0.8rem;
}

.btn-simulate {
  background: linear-gradient(135deg, #4f46e5, #7c3aed);
  color: #ffffff;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-md);
  font-size: 0.82rem;
  font-weight: 800;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(79, 70, 229, 0.3);
  transition: all 0.2s ease;
}

.btn-simulate:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(79, 70, 229, 0.4);
}

/* Simulation Modal Stepper */
.sim-stepper {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.sim-step-item {
  display: flex;
  align-items: flex-start;
  gap: 0.9rem;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-md);
  border: 1.5px solid #e2e8f0;
  background: #f8fafc;
  transition: all 0.3s ease;
}

[data-theme="dark"] .sim-step-item {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.1);
}

.sim-step-item.running {
  border-color: #6366f1;
  background: #eef2ff;
}

.sim-step-item.done {
  border-color: #22c55e;
  background: #f0fdf4;
}

.sim-step-icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  background: #e2e8f0;
  color: #64748b;
  flex-shrink: 0;
}

.sim-step-item.running .sim-step-icon {
  background: #6366f1;
  color: #ffffff;
  animation: pulse 1.5s infinite;
}

.sim-step-item.done .sim-step-icon {
  background: #22c55e;
  color: #ffffff;
}

.sim-step-content {
  flex: 1;
}

.sim-step-title {
  font-size: 0.85rem;
  font-weight: 800;
  color: #1e293b;
  margin-bottom: 0.2rem;
}

[data-theme="dark"] .sim-step-title {
  color: #f1f5f9;
}

.sim-step-desc {
  font-size: 0.75rem;
  color: #64748b;
  line-height: 1.4;
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.95);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}
.animate-scale-in {
  animation: scaleIn 0.2s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* Responsive adjustments */
@media (max-width: 1024px) {
  .app-header {
    flex-direction: column;
    align-items: stretch;
    padding: 0.5rem 0.85rem;
  }
  .brand-badge {
    justify-content: space-between;
  }
  .app-main {
    padding: 0.75rem;
  }
}