/* M2R CRM - Main Styles */
/* Design System & Global Styles */

:root {
  /* M2R Brand Colors */
  --m2r-dark: #0a0e27;
  --m2r-cyan: #14b8a6;
  --m2r-cyan-light: #2dd4bf;
  
  /* NXT Brand Colors */
  --nxt-cyan: #0ea5e9;
  --nxt-turquoise: #06b6d4;
  
  /* UI Colors */
  --indigo-600: #4f46e5;
  --indigo-700: #4338ca;
  --blue-500: #3b82f6;
  --blue-600: #2563eb;
  --green-500: #10b981;
  --green-600: #059669;
  --orange-500: #f97316;
  --orange-600: #ea580c;
  --red-500: #ef4444;
  --red-600: #dc2626;
  --purple-500: #8b5cf6;
  --purple-600: #7c3aed;
  
  /* Neutral Colors */
  --gray-900: #111827;
  --gray-800: #1f2937;
  --gray-700: #374151;
  --gray-600: #4b5563;
  --gray-500: #6b7280;
  --gray-400: #9ca3af;
  --gray-300: #d1d5db;
  --gray-200: #e5e7eb;
  --gray-100: #f3f4f6;
  --gray-50: #f9fafb;
  
  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;
  
  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
  
  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.2s ease;
  --transition-slow: 0.3s ease;
}

/* Reset & Base Styles */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Inter', 'Roboto', 'Helvetica Neue', sans-serif;
  color: var(--gray-700);
  background-color: var(--gray-50);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  color: var(--gray-900);
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: var(--space-md);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.125rem; }
h6 { font-size: 1rem; }

p {
  margin-bottom: var(--space-md);
}

a {
  color: var(--blue-600);
  text-decoration: none;
  transition: color var(--transition-base);
}

a:hover {
  color: var(--blue-500);
}

/* Container */
.container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

.container-fluid {
  width: 100%;
  padding: 0 var(--space-xl);
}

/* Header */
.header {
  background: var(--m2r-dark);
  border-bottom: 2px solid var(--m2r-cyan);
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: 1rem 2rem;
  margin-bottom: 2rem;
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

.logo-container {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 1.5rem;
  font-weight: 700;
  color: white;
  text-decoration: none;
}

.logo-img {
  height: 35px;
}

.logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.logo-main {
  font-size: 1.75rem;
  letter-spacing: -0.02em;
}

.logo-sub {
  font-size: 0.625rem;
  color: var(--nxt-cyan);
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* Navigation */
.nav {
  display: flex;
  gap: var(--space-sm);
  list-style: none;
}

.nav-link {
  padding: var(--space-sm) var(--space-md);
  color: #9ca3af !important;
  font-weight: 500;
  font-size: 0.9375rem;
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  cursor: pointer;
  text-decoration: none;
}

.nav-link:hover {
  color: var(--m2r-cyan) !important;
  background: rgba(20, 184, 166, 0.1);
}

.nav-link.active {
  background: var(--m2r-cyan) !important;
  color: var(--m2r-dark) !important;
}

/* User Menu */
.user-menu {
  position: relative;
}

.user-avatar {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--indigo-600), var(--nxt-cyan));
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: 0.875rem;
  cursor: pointer;
  transition: transform var(--transition-base);
}

.user-avatar:hover {
  transform: scale(1.05);
}

/* Main Content */
.main-content {
  min-height: calc(100vh - 70px);
  padding: var(--space-2xl) 0;
}

/* Page Header */
.page-header {
  margin-bottom: var(--space-2xl);
}

.page-title {
  font-size: 2rem;
  color: var(--gray-900);
  margin-bottom: var(--space-sm);
}

.page-subtitle {
  color: var(--gray-500);
  font-size: 1rem;
}

/* Stats Bar */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-lg);
  margin-bottom: var(--space-2xl);
}

.stat-card {
  background: white;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, var(--indigo-600), var(--nxt-cyan));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-slow);
}

.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--gray-300);
}

.stat-card:hover::before {
  transform: scaleX(1);
}

.stat-value {
  font-size: 2rem;
  font-weight: 700;
  color: var(--gray-900);
  margin-bottom: var(--space-xs);
}

.stat-label {
  font-size: 0.875rem;
  color: var(--gray-500);
  font-weight: 500;
}

.stat-icon {
  position: absolute;
  top: var(--space-lg);
  right: var(--space-lg);
  font-size: 2rem;
  opacity: 0.1;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 0.625rem 1.25rem;
  font-size: 0.9375rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-base);
  text-decoration: none;
  white-space: nowrap;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn-primary {
  background: var(--indigo-600);
  color: white;
}

.btn-primary:hover:not(:disabled) {
  background: var(--indigo-700);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background: var(--gray-600);
  color: white;
}

.btn-secondary:hover:not(:disabled) {
  background: var(--gray-700);
}

.btn-outline {
  background: transparent;
  border: 2px solid var(--gray-300);
  color: var(--gray-700);
}

.btn-outline:hover:not(:disabled) {
  border-color: var(--indigo-600);
  color: var(--indigo-600);
  background: rgba(79, 70, 229, 0.05);
}

.btn-success {
  background: var(--green-500);
  color: white;
}

.btn-success:hover:not(:disabled) {
  background: var(--green-600);
}

.btn-danger {
  background: var(--red-500);
  color: white;
}

.btn-danger:hover:not(:disabled) {
  background: var(--red-600);
}

.btn-sm {
  padding: 0.375rem 0.875rem;
  font-size: 0.875rem;
}

.btn-lg {
  padding: 0.875rem 1.75rem;
  font-size: 1.0625rem;
}

.btn-icon {
  padding: 0.625rem;
  width: 40px;
  height: 40px;
}

/* Cards */
.card {
  background: white;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-lg);
  padding: var(--space-lg);
  transition: all var(--transition-base);
}

.card:hover {
  box-shadow: var(--shadow-md);
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-lg);
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--gray-200);
}

.card-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--gray-900);
  margin: 0;
}

.card-body {
  padding: 0;
}

.card-footer {
  margin-top: var(--space-lg);
  padding-top: var(--space-md);
  border-top: 1px solid var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Form Elements */
.form-group {
  margin-bottom: var(--space-lg);
}

.form-label {
  display: block;
  font-weight: 500;
  color: var(--gray-700);
  margin-bottom: var(--space-sm);
  font-size: 0.9375rem;
}

.form-label.required::after {
  content: '*';
  color: var(--red-500);
  margin-left: var(--space-xs);
}

.form-control {
  width: 100%;
  padding: 0.625rem 0.875rem;
  font-size: 0.9375rem;
  border: 2px solid var(--gray-300);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  background: white;
  color: var(--gray-900);
}

.form-control:focus {
  outline: none;
  border-color: var(--indigo-600);
  box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.form-control:disabled {
  background: var(--gray-100);
  cursor: not-allowed;
}

.form-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3E%3Cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='M6 8l4 4 4-4'/%3E%3C/svg%3E");
  background-position: right 0.5rem center;
  background-repeat: no-repeat;
  background-size: 1.5em 1.5em;
  padding-right: 2.5rem;
}

textarea.form-control {
  min-height: 100px;
  resize: vertical;
}

.form-help {
  font-size: 0.875rem;
  color: var(--gray-500);
  margin-top: var(--space-xs);
}

.form-error {
  font-size: 0.875rem;
  color: var(--red-500);
  margin-top: var(--space-xs);
}

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.625rem;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: var(--radius-full);
  text-transform: uppercase;
  letter-spacing: 0.025em;
}

.badge-primary { background: rgba(79, 70, 229, 0.1); color: var(--indigo-600); }
.badge-success { background: rgba(16, 185, 129, 0.1); color: var(--green-600); }
.badge-warning { background: rgba(249, 115, 22, 0.1); color: var(--orange-600); }
.badge-danger { background: rgba(239, 68, 68, 0.1); color: var(--red-600); }
.badge-info { background: rgba(59, 130, 246, 0.1); color: var(--blue-600); }
.badge-purple { background: rgba(139, 92, 246, 0.1); color: var(--purple-600); }

/* Modal */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-slow);
}

.modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.modal {
  background: white;
  border-radius: var(--radius-xl);
  max-width: 600px;
  width: 90%;
  max-height: 90vh;
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  transform: scale(0.9) translateY(20px);
  transition: transform var(--transition-slow);
}

.modal-overlay.active .modal {
  transform: scale(1) translateY(0);
}

.modal-header {
  padding: var(--space-lg) var(--space-xl);
  border-bottom: 1px solid var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--gray-900);
  margin: 0;
}

.modal-close {
  width: 32px;
  height: 32px;
  border: none;
  background: transparent;
  color: var(--gray-500);
  font-size: 1.5rem;
  cursor: pointer;
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-close:hover {
  background: var(--gray-100);
  color: var(--gray-900);
}

.modal-body {
  padding: var(--space-xl);
  max-height: calc(90vh - 140px);
  overflow-y: auto;
}

.modal-footer {
  padding: var(--space-lg) var(--space-xl);
  border-top: 1px solid var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-md);
}

/* Utilities */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-left { text-align: left; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: var(--space-sm); }
.mt-2 { margin-top: var(--space-md); }
.mt-3 { margin-top: var(--space-lg); }
.mt-4 { margin-top: var(--space-xl); }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--space-sm); }
.mb-2 { margin-bottom: var(--space-md); }
.mb-3 { margin-bottom: var(--space-lg); }
.mb-4 { margin-bottom: var(--space-xl); }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: var(--space-sm); }
.gap-2 { gap: var(--space-md); }
.gap-3 { gap: var(--space-lg); }

.grid { display: grid; }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }

.hidden { display: none !important; }
.visible { display: block !important; }

/* Animations */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes scaleIn {
  from {
    opacity: 0;
    transform: scale(0.9);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

.animate-fade-in {
  animation: fadeIn var(--transition-slow);
}

.animate-slide-in {
  animation: slideIn var(--transition-slow);
}

.animate-scale-in {
  animation: scaleIn var(--transition-slow);
}

/* Responsive */
@media (max-width: 1024px) {
  .container {
    padding: 0 var(--space-lg);
  }
  
  .nav {
    display: none;
  }
  
  .stats-bar {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 640px) {
  .stats-bar {
    grid-template-columns: 1fr;
  }
  
  .modal {
    width: 95%;
  }
}