/* i95Dev Strategy 2026 - Main Stylesheet */
/* Brand Colors: Primary Navy #10327b, Brand Red #CC4238 */
/* Font: Lato */
/* Updated: Matches i95Dev Website Style (www.i95dev.com) */

/* ============================================
   CSS Custom Properties (Variables)
   ============================================ */
:root {
  /* Brand Colors */
  --color-primary: #10327b;
  --color-primary-dark: #0d2b6b;
  --color-primary-light: #1e4a9a;
  --color-accent: #CC4238;
  --color-accent-dark: #a3352d;
  --color-accent-light: #e05a50;

  /* Gradient Variables */
  --gradient-hero: linear-gradient(135deg, #0d2b6b 0%, #1e4a9a 100%);
  --gradient-section: linear-gradient(180deg, #10327b 0%, #1a4ba3 100%);
  --gradient-button: linear-gradient(180deg, #CC4238 0%, #e05a50 100%);

  /* Section Backgrounds */
  --bg-light-blue: #f0f4ff;
  --bg-page: #f8fafc;

  /* Status Colors */
  --color-success: #22c55e;
  --color-warning: #f59e0b;
  --color-danger: #ef4444;
  --color-info: #3b82f6;

  /* Neutral Colors */
  --color-white: #ffffff;
  --color-gray-50: #f9fafb;
  --color-gray-100: #f3f4f6;
  --color-gray-200: #e5e7eb;
  --color-gray-300: #d1d5db;
  --color-gray-400: #9ca3af;
  --color-gray-500: #6b7280;
  --color-gray-600: #4b5563;
  --color-gray-700: #374151;
  --color-gray-800: #1f2937;
  --color-gray-900: #111827;

  /* Typography */
  --font-family: 'Lato', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;

  /* Spacing */
  --spacing-1: 0.25rem;
  --spacing-2: 0.5rem;
  --spacing-3: 0.75rem;
  --spacing-4: 1rem;
  --spacing-5: 1.25rem;
  --spacing-6: 1.5rem;
  --spacing-8: 2rem;
  --spacing-10: 2.5rem;
  --spacing-12: 3rem;

  /* Border Radius */
  --radius-sm: 0.25rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;
  --radius-xl: 0.75rem;
  --radius-2xl: 1rem;
  --radius-full: 9999px;

  /* Enhanced Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1);
  --shadow-card: 0 4px 20px rgba(16, 50, 123, 0.08);
  --shadow-button: 0 4px 12px rgba(204, 66, 56, 0.3);
  --shadow-hover: 0 8px 30px rgba(16, 50, 123, 0.12);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
}

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

html {
  font-size: 16px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  color: var(--color-gray-900);
  background-color: var(--color-gray-50);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-primary-dark);
}

img {
  max-width: 100%;
  height: auto;
}

button {
  font-family: inherit;
  cursor: pointer;
}

/* ============================================
   Header - White Background (i95Dev Website Style)
   ============================================ */
.header {
  background-color: var(--color-white);
  color: var(--color-gray-900);
  padding: var(--spacing-3) var(--spacing-6);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
  border-bottom: 1px solid var(--color-gray-100);
}

.header-container {
  max-width: 1440px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-6);
}

.header-left {
  display: flex;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  color: var(--color-primary);
  font-weight: 700;
  font-size: var(--font-size-lg);
}

.logo:hover {
  color: var(--color-primary-dark);
}

.logo-image {
  height: 40px;
  width: auto;
}

.logo-text {
  white-space: nowrap;
  color: var(--color-primary);
}

.main-nav {
  display: flex;
  gap: var(--spacing-1);
}

.nav-link {
  color: var(--color-gray-700);
  padding: var(--spacing-2) var(--spacing-4);
  border-radius: var(--radius-md);
  font-weight: 500;
  transition: all var(--transition-fast);
}

.nav-link:hover {
  color: var(--color-primary);
  background-color: var(--bg-light-blue);
}

.nav-link.active {
  color: var(--color-primary);
  background-color: var(--bg-light-blue);
  font-weight: 600;
}

.header-right {
  display: flex;
  align-items: center;
  gap: var(--spacing-4);
}

.notification-bell {
  position: relative;
  padding: var(--spacing-2);
  cursor: pointer;
  color: var(--color-gray-600);
  transition: color var(--transition-fast);
}

.notification-bell:hover {
  color: var(--color-primary);
}

.notification-badge {
  position: absolute;
  top: 0;
  right: 0;
  background-color: var(--color-accent);
  color: var(--color-white);
  font-size: var(--font-size-xs);
  font-weight: 700;
  padding: 2px 6px;
  border-radius: var(--radius-full);
  min-width: 18px;
  text-align: center;
}

.header-icon-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-2);
  color: var(--color-gray-600);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.header-icon-btn:hover {
  color: var(--color-primary);
  background-color: var(--color-gray-100);
}

.user-menu {
  position: relative;
}

.user-menu-trigger {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  background: none;
  border: none;
  color: var(--color-gray-700);
  padding: var(--spacing-2);
  border-radius: var(--radius-md);
  transition: background-color var(--transition-fast);
}

.user-menu-trigger:hover {
  background-color: var(--bg-light-blue);
  color: var(--color-primary);
}

.user-avatar {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  background: var(--gradient-button);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  font-size: var(--font-size-sm);
  color: var(--color-white);
  box-shadow: 0 2px 8px rgba(204, 66, 56, 0.3);
}

.user-name {
  font-weight: 500;
  color: var(--color-gray-700);
}

.user-dropdown {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: var(--spacing-2);
  background-color: var(--color-white);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-hover);
  min-width: 180px;
  display: none;
  z-index: 110;
  overflow: hidden;
}

.user-dropdown.show {
  display: block;
}

.dropdown-item {
  display: block;
  padding: var(--spacing-3) var(--spacing-4);
  color: var(--color-gray-700);
  transition: background-color var(--transition-fast);
}

.dropdown-item:hover {
  background-color: var(--bg-light-blue);
  color: var(--color-primary);
}

.dropdown-item.text-danger {
  color: var(--color-danger);
}

.dropdown-item.text-danger:hover {
  background-color: #fee2e2;
}

.dropdown-divider {
  border: none;
  border-top: 1px solid var(--color-gray-200);
  margin: var(--spacing-2) 0;
}

/* ============================================
   Main Content
   ============================================ */
.main-content {
  flex: 1;
  padding: var(--spacing-6);
  max-width: 1440px;
  width: 100%;
  margin: 0 auto;
}

/* ============================================
   Footer - Dark Navy (i95Dev Website Style)
   ============================================ */
.footer {
  background-color: var(--color-primary-dark);
  color: var(--color-white);
  padding: var(--spacing-8) var(--spacing-6) var(--spacing-4);
  margin-top: auto;
}

.footer-container {
  max-width: 1440px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--spacing-4);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-text {
  color: rgba(255, 255, 255, 0.8);
  font-size: var(--font-size-sm);
}

.footer-text a {
  color: rgba(255, 255, 255, 0.8);
}

.footer-text a:hover {
  color: var(--color-white);
}

.footer-version {
  color: rgba(255, 255, 255, 0.6);
  font-size: var(--font-size-xs);
}

/* ============================================
   Buttons - Enhanced with Gradients (i95Dev Style)
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-2);
  padding: var(--spacing-2) var(--spacing-4);
  font-size: var(--font-size-sm);
  font-weight: 600;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all var(--transition-fast);
}

.btn-primary {
  background: var(--gradient-button);
  color: var(--color-white);
  box-shadow: var(--shadow-button);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(204, 66, 56, 0.4);
}

.btn-primary:active {
  transform: translateY(0);
}

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

.btn-secondary:hover {
  background-color: var(--color-primary-dark);
  transform: translateY(-1px);
}

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

.btn-outline:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
}

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

.btn-danger:hover {
  background-color: #dc2626;
  transform: translateY(-1px);
}

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

.btn-success:hover {
  background-color: #16a34a;
  transform: translateY(-1px);
}

.btn-sm {
  padding: var(--spacing-1) var(--spacing-3);
  font-size: var(--font-size-xs);
}

.btn-lg {
  padding: var(--spacing-3) var(--spacing-6);
  font-size: var(--font-size-base);
}

/* ============================================
   Forms
   ============================================ */
.form-group {
  margin-bottom: var(--spacing-4);
}

.form-label {
  display: block;
  margin-bottom: var(--spacing-2);
  font-weight: 600;
  font-size: var(--font-size-sm);
  color: var(--color-gray-700);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: var(--spacing-3);
  font-size: var(--font-size-base);
  border: 1px solid var(--color-gray-300);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 4px rgba(16, 50, 123, 0.15);
}

.form-input:hover,
.form-select:hover,
.form-textarea:hover {
  border-color: var(--color-gray-400);
}

.form-input.error,
.form-select.error {
  border-color: var(--color-danger);
}

.form-error {
  color: var(--color-danger);
  font-size: var(--font-size-sm);
  margin-top: var(--spacing-1);
}

.form-hint {
  color: var(--color-gray-500);
  font-size: var(--font-size-sm);
  margin-top: var(--spacing-1);
}

/* ============================================
   Cards - Enhanced Shadows (i95Dev Style)
   ============================================ */
.card {
  background-color: var(--color-white);
  border-radius: var(--radius-2xl);
  box-shadow: var(--shadow-card);
  border: none;
  transition: box-shadow var(--transition-normal), transform var(--transition-normal);
}

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

.card-header {
  padding: var(--spacing-4) var(--spacing-6);
  border-bottom: 1px solid var(--color-gray-100);
}

.card-title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-primary);
}

.card-body {
  padding: var(--spacing-6);
}

.card-footer {
  padding: var(--spacing-4) var(--spacing-6);
  border-top: 1px solid var(--color-gray-100);
  background-color: var(--bg-light-blue);
  border-radius: 0 0 var(--radius-2xl) var(--radius-2xl);
}

/* ============================================
   Status Badges
   ============================================ */
.status-badge {
  display: inline-flex;
  align-items: center;
  padding: var(--spacing-1) var(--spacing-3);
  font-size: var(--font-size-xs);
  font-weight: 600;
  border-radius: var(--radius-full);
  text-transform: uppercase;
}

.status-not-started {
  background-color: var(--color-gray-100);
  color: var(--color-gray-600);
}

.status-in-progress {
  background-color: #f3e8ff;
  color: #7c3aed;
}

.status-on-track {
  background-color: #dcfce7;
  color: #16a34a;
}

.status-at-risk {
  background-color: #fef3c7;
  color: #d97706;
}

.status-behind {
  background-color: #fee2e2;
  color: #dc2626;
}

.status-completed {
  background-color: #dbeafe;
  color: #2563eb;
}

.status-blocked {
  background-color: #fee2e2;
  color: #dc2626;
}

/* ============================================
   Progress Bar
   ============================================ */
.progress-bar {
  height: 8px;
  background-color: var(--color-gray-200);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  border-radius: var(--radius-full);
  transition: width var(--transition-normal);
}

.progress-green {
  background-color: var(--color-success);
}

.progress-yellow {
  background-color: var(--color-warning);
}

.progress-red {
  background-color: var(--color-danger);
}

.progress-blue {
  background-color: var(--color-info);
}

/* ============================================
   Tables
   ============================================ */
.data-table {
  width: 100%;
  border-collapse: collapse;
}

.data-table th,
.data-table td {
  padding: var(--spacing-3) var(--spacing-4);
  text-align: left;
  border-bottom: 1px solid var(--color-gray-200);
}

.data-table th {
  font-weight: 600;
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
  background-color: var(--color-gray-50);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.data-table tr:hover {
  background-color: var(--color-gray-50);
}

/* ============================================
   Toast Notifications
   ============================================ */
.toast-container {
  position: fixed;
  bottom: var(--spacing-6);
  right: var(--spacing-6);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2);
}

.toast {
  display: flex;
  align-items: center;
  gap: var(--spacing-3);
  padding: var(--spacing-3) var(--spacing-4);
  background-color: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  animation: slideIn 0.3s ease;
  min-width: 300px;
}

.toast-success {
  border-left: 4px solid var(--color-success);
}

.toast-error {
  border-left: 4px solid var(--color-danger);
}

.toast-warning {
  border-left: 4px solid var(--color-warning);
}

.toast-info {
  border-left: 4px solid var(--color-info);
}

.toast-message {
  flex: 1;
  font-size: var(--font-size-sm);
}

.toast-close {
  background: none;
  border: none;
  font-size: var(--font-size-lg);
  color: var(--color-gray-400);
  cursor: pointer;
  padding: 0;
  line-height: 1;
}

.toast-close:hover {
  color: var(--color-gray-600);
}

.toast-fade-out {
  animation: fadeOut 0.3s ease forwards;
}

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

@keyframes fadeOut {
  from {
    opacity: 1;
  }
  to {
    opacity: 0;
  }
}

/* ============================================
   Login Page - Enhanced (i95Dev Style)
   ============================================ */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-hero);
  padding: var(--spacing-6);
  position: relative;
}

.login-page::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  pointer-events: none;
}

.login-container {
  width: 100%;
  max-width: 420px;
  position: relative;
  z-index: 1;
}

.login-card {
  background-color: var(--color-white);
  border-radius: var(--radius-2xl);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
  padding: var(--spacing-10);
}

.login-logo {
  text-align: center;
  margin-bottom: var(--spacing-6);
}

.login-logo img {
  height: 70px;
  margin-bottom: var(--spacing-2);
}

.login-title {
  font-size: var(--font-size-2xl);
  font-weight: 700;
  color: var(--color-primary);
  text-align: center;
  margin-bottom: var(--spacing-6);
}

.login-subtitle {
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
  text-align: center;
  margin-top: calc(-1 * var(--spacing-4));
  margin-bottom: var(--spacing-6);
}

.login-form .btn {
  width: 100%;
}

.login-form .btn-primary {
  padding: var(--spacing-3) var(--spacing-6);
  font-size: var(--font-size-base);
}

.login-footer {
  text-align: center;
  margin-top: var(--spacing-5);
}

.login-footer a {
  font-size: var(--font-size-sm);
  color: var(--color-gray-500);
  transition: color var(--transition-fast);
}

.login-footer a:hover {
  color: var(--color-primary);
}

/* ============================================
   Utility Classes
   ============================================ */
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-danger { color: var(--color-danger); }
.text-success { color: var(--color-success); }
.text-warning { color: var(--color-warning); }
.text-muted { color: var(--color-gray-500); }
.text-sm { font-size: var(--font-size-sm); }
.text-xs { font-size: var(--font-size-xs); }
.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }

.mt-2 { margin-top: var(--spacing-2); }
.mt-4 { margin-top: var(--spacing-4); }
.mt-6 { margin-top: var(--spacing-6); }
.mb-2 { margin-bottom: var(--spacing-2); }
.mb-4 { margin-bottom: var(--spacing-4); }
.mb-6 { margin-bottom: var(--spacing-6); }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: var(--spacing-2); }
.gap-4 { gap: var(--spacing-4); }

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

/* ============================================
   Section Backgrounds (i95Dev Style)
   ============================================ */
.section-gradient {
  background: var(--gradient-hero);
  color: var(--color-white);
}

.section-light {
  background: var(--bg-light-blue);
}

.section-white {
  background: var(--color-white);
}

/* ============================================
   Stats Grid (Dashboard)
   ============================================ */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-6);
}

.stat-card {
  background: var(--color-white);
  border-radius: var(--radius-2xl);
  padding: var(--spacing-6);
  text-align: center;
  box-shadow: var(--shadow-card);
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.stat-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.2;
}

.stat-label {
  color: var(--color-gray-600);
  font-size: var(--font-size-sm);
  margin-top: var(--spacing-2);
}

/* ============================================
   Page Headers
   ============================================ */
.page-header {
  margin-bottom: var(--spacing-6);
}

.page-title {
  font-size: var(--font-size-3xl);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--spacing-2);
}

.page-subtitle {
  color: var(--color-gray-600);
  font-size: var(--font-size-base);
}

/* ============================================
   Enhanced Table Styles
   ============================================ */
.data-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
}

.data-table th {
  font-weight: 600;
  font-size: var(--font-size-xs);
  color: var(--color-gray-600);
  background-color: var(--bg-light-blue);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: var(--spacing-3) var(--spacing-4);
}

.data-table th:first-child {
  border-radius: var(--radius-lg) 0 0 0;
}

.data-table th:last-child {
  border-radius: 0 var(--radius-lg) 0 0;
}

.data-table td {
  padding: var(--spacing-3) var(--spacing-4);
  border-bottom: 1px solid var(--color-gray-100);
}

.data-table tr:hover {
  background-color: var(--bg-light-blue);
}

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

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 768px) {
  .header-container {
    flex-wrap: wrap;
  }

  .main-nav {
    order: 3;
    width: 100%;
    margin-top: var(--spacing-3);
    overflow-x: auto;
    padding-bottom: var(--spacing-2);
  }

  .main-nav::-webkit-scrollbar {
    height: 4px;
  }

  .main-nav::-webkit-scrollbar-thumb {
    background-color: var(--color-gray-300);
    border-radius: var(--radius-full);
  }

  .user-name {
    display: none;
  }

  .main-content {
    padding: var(--spacing-4);
  }

  .footer-container {
    flex-direction: column;
    gap: var(--spacing-2);
    text-align: center;
  }

  .login-card {
    padding: var(--spacing-6);
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }

  .page-title {
    font-size: var(--font-size-2xl);
  }
}