/*!
 * Claudy-One Custom Theme Styles
 * Modern, sleek design enhancements
 * Based on WHMCS Twenty-One Theme
 */

/* ============================================
   Modern Color Palette & Root Variables
   ============================================ */
:root {
  /* Primary Colors - Modern Blue Palette */
  --claudy-primary: #2563eb;
  --claudy-primary-dark: #1e40af;
  --claudy-primary-light: #3b82f6;

  /* Neutrals - Clean Grays */
  --claudy-gray-50: #f9fafb;
  --claudy-gray-100: #f3f4f6;
  --claudy-gray-200: #e5e7eb;
  --claudy-gray-300: #d1d5db;
  --claudy-gray-400: #9ca3af;
  --claudy-gray-500: #6b7280;
  --claudy-gray-600: #4b5563;
  --claudy-gray-700: #374151;
  --claudy-gray-800: #1f2937;
  --claudy-gray-900: #111827;

  /* Semantic Colors */
  --claudy-success: #10b981;
  --claudy-warning: #f59e0b;
  --claudy-danger: #ef4444;
  --claudy-info: #06b6d4;

  /* Spacing & Layout */
  --claudy-border-radius: 0.75rem;
  --claudy-border-radius-sm: 0.5rem;
  --claudy-border-radius-lg: 1rem;

  /* Shadows */
  --claudy-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --claudy-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --claudy-shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --claudy-shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

  /* Transitions */
  --claudy-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ============================================
   Typography Enhancements
   ============================================ */
body {
  font-family: -apple-system, BlinkMacSystemFont, 'Inter', 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  color: var(--claudy-gray-800);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 600;
  letter-spacing: -0.025em;
  color: var(--claudy-gray-900);
}

h1 { font-size: 2.25rem; line-height: 1.2; }
h2 { font-size: 1.875rem; line-height: 1.3; }
h3 { font-size: 1.5rem; line-height: 1.4; }
h4 { font-size: 1.25rem; line-height: 1.5; }

/* ============================================
   Primary Button Styles - Modern & Clean
   ============================================ */
.btn-primary {
  background: linear-gradient(135deg, var(--claudy-primary) 0%, var(--claudy-primary-dark) 100%);
  border: none;
  border-radius: var(--claudy-border-radius-sm);
  padding: 0.625rem 1.25rem;
  font-weight: 500;
  letter-spacing: 0.025em;
  box-shadow: var(--claudy-shadow);
  transition: var(--claudy-transition);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--claudy-primary-dark) 0%, var(--claudy-primary) 100%);
  box-shadow: var(--claudy-shadow-md);
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: translateY(0);
  box-shadow: var(--claudy-shadow-sm);
}

.btn {
  border-radius: var(--claudy-border-radius-sm);
  transition: var(--claudy-transition);
}

.btn:hover {
  transform: translateY(-1px);
}

/* ============================================
   Card & Panel Enhancements
   ============================================ */
.card, .panel {
  border: 1px solid var(--claudy-gray-200);
  border-radius: var(--claudy-border-radius);
  box-shadow: var(--claudy-shadow-sm);
  transition: var(--claudy-transition);
  overflow: hidden;
}

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

.card-header, .panel-heading {
  background: linear-gradient(180deg, var(--claudy-gray-50) 0%, var(--claudy-gray-100) 100%);
  border-bottom: 1px solid var(--claudy-gray-200);
  padding: 1rem 1.25rem;
  font-weight: 600;
  color: var(--claudy-gray-900);
}

.card-body, .panel-body {
  padding: 1.5rem;
}

/* ============================================
   Navigation Header - Sleek & Modern
   ============================================ */
.navbar {
  background: linear-gradient(180deg, #ffffff 0%, var(--claudy-gray-50) 100%);
  border-bottom: 1px solid var(--claudy-gray-200);
  box-shadow: var(--claudy-shadow-sm);
  padding: 0.75rem 0;
}

.navbar-brand {
  font-weight: 700;
  font-size: 1.5rem;
  color: var(--claudy-primary);
  transition: var(--claudy-transition);
}

.navbar-brand:hover {
  color: var(--claudy-primary-dark);
}

.nav-link {
  color: var(--claudy-gray-700);
  font-weight: 500;
  padding: 0.5rem 1rem;
  border-radius: var(--claudy-border-radius-sm);
  transition: var(--claudy-transition);
}

.nav-link:hover {
  color: var(--claudy-primary);
  background-color: var(--claudy-gray-50);
}

.nav-link.active {
  color: var(--claudy-primary);
  background-color: var(--claudy-gray-100);
}

/* ============================================
   Form Elements - Clean & Modern
   ============================================ */
.form-control {
  border: 1px solid var(--claudy-gray-300);
  border-radius: var(--claudy-border-radius-sm);
  padding: 0.625rem 0.875rem;
  transition: var(--claudy-transition);
  background-color: #ffffff;
}

.form-control:focus {
  border-color: var(--claudy-primary);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
  outline: none;
}

.form-group label {
  font-weight: 500;
  color: var(--claudy-gray-700);
  margin-bottom: 0.5rem;
}

/* ============================================
   Table Styles - Clean Data Display
   ============================================ */
.table {
  border-collapse: separate;
  border-spacing: 0;
}

.table thead th {
  background: linear-gradient(180deg, var(--claudy-gray-50) 0%, var(--claudy-gray-100) 100%);
  color: var(--claudy-gray-900);
  font-weight: 600;
  border-bottom: 2px solid var(--claudy-gray-300);
  padding: 1rem;
  text-transform: uppercase;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
}

.table tbody tr {
  transition: var(--claudy-transition);
}

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

.table tbody td {
  padding: 1rem;
  border-bottom: 1px solid var(--claudy-gray-200);
}

/* ============================================
   Alert Messages - Modern Design
   ============================================ */
.alert {
  border-radius: var(--claudy-border-radius-sm);
  border: none;
  padding: 1rem 1.25rem;
  box-shadow: var(--claudy-shadow-sm);
}

.alert-success {
  background-color: #d1fae5;
  color: #065f46;
}

.alert-warning {
  background-color: #fed7aa;
  color: #92400e;
}

.alert-danger {
  background-color: #fee2e2;
  color: #991b1b;
}

.alert-info {
  background-color: #cffafe;
  color: #155e75;
}

/* ============================================
   Badge Styles - Modern & Clean
   ============================================ */
.badge {
  border-radius: var(--claudy-border-radius-sm);
  padding: 0.375rem 0.625rem;
  font-weight: 500;
  font-size: 0.75rem;
  letter-spacing: 0.025em;
}

.badge-primary {
  background-color: var(--claudy-primary);
}

.badge-success {
  background-color: var(--claudy-success);
}

.badge-warning {
  background-color: var(--claudy-warning);
}

.badge-danger {
  background-color: var(--claudy-danger);
}

/* ============================================
   Modal Dialog - Modern Overlay
   ============================================ */
.modal-content {
  border-radius: var(--claudy-border-radius);
  border: none;
  box-shadow: var(--claudy-shadow-lg);
  overflow: hidden;
}

.modal-header {
  background: linear-gradient(180deg, var(--claudy-gray-50) 0%, var(--claudy-gray-100) 100%);
  border-bottom: 1px solid var(--claudy-gray-200);
  padding: 1.25rem 1.5rem;
}

.modal-title {
  font-weight: 600;
  color: var(--claudy-gray-900);
}

.modal-body {
  padding: 1.5rem;
}

.modal-footer {
  border-top: 1px solid var(--claudy-gray-200);
  padding: 1rem 1.5rem;
  background-color: var(--claudy-gray-50);
}

/* ============================================
   Footer - Clean & Modern
   ============================================ */
footer {
  background: linear-gradient(180deg, var(--claudy-gray-50) 0%, var(--claudy-gray-100) 100%);
  border-top: 1px solid var(--claudy-gray-200);
  padding: 2rem 0;
  margin-top: 3rem;
}

footer a {
  color: var(--claudy-gray-700);
  transition: var(--claudy-transition);
}

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

/* ============================================
   Homepage Hero Section
   ============================================ */
.hero-section {
  background: linear-gradient(135deg, var(--claudy-primary) 0%, var(--claudy-primary-dark) 100%);
  padding: 4rem 0;
  color: #ffffff;
  border-radius: var(--claudy-border-radius-lg);
  box-shadow: var(--claudy-shadow-lg);
  margin-bottom: 2rem;
}

.hero-section h1 {
  color: #ffffff;
  font-size: 3rem;
  font-weight: 700;
}

.hero-section p {
  font-size: 1.25rem;
  opacity: 0.9;
}

/* ============================================
   Client Area Sidebar - Modern Navigation
   ============================================ */
.sidebar-menu {
  background-color: #ffffff;
  border: 1px solid var(--claudy-gray-200);
  border-radius: var(--claudy-border-radius);
  box-shadow: var(--claudy-shadow-sm);
  overflow: hidden;
}

.sidebar-menu .list-group-item {
  border: none;
  border-bottom: 1px solid var(--claudy-gray-200);
  padding: 0.875rem 1.25rem;
  transition: var(--claudy-transition);
}

.sidebar-menu .list-group-item:hover {
  background-color: var(--claudy-gray-50);
  padding-left: 1.5rem;
}

.sidebar-menu .list-group-item.active {
  background: linear-gradient(135deg, var(--claudy-primary) 0%, var(--claudy-primary-dark) 100%);
  color: #ffffff;
  border-left: 4px solid var(--claudy-primary-dark);
  box-shadow: var(--claudy-shadow);
}

/* ============================================
   Invoice & Pricing Tables - Professional
   ============================================ */
.invoice-table {
  background-color: #ffffff;
  border: 1px solid var(--claudy-gray-200);
  border-radius: var(--claudy-border-radius);
  overflow: hidden;
  box-shadow: var(--claudy-shadow-sm);
}

.invoice-total {
  background: linear-gradient(180deg, var(--claudy-gray-50) 0%, var(--claudy-gray-100) 100%);
  padding: 1.25rem;
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--claudy-gray-900);
  border-top: 2px solid var(--claudy-primary);
}

/* ============================================
   Dropdown Menus - Clean & Modern
   ============================================ */
.dropdown-menu {
  border: 1px solid var(--claudy-gray-200);
  border-radius: var(--claudy-border-radius-sm);
  box-shadow: var(--claudy-shadow-md);
  padding: 0.5rem 0;
}

.dropdown-item {
  padding: 0.625rem 1.25rem;
  transition: var(--claudy-transition);
}

.dropdown-item:hover {
  background-color: var(--claudy-gray-50);
  color: var(--claudy-primary);
}

/* ============================================
   Pagination - Modern Style
   ============================================ */
.pagination .page-link {
  color: var(--claudy-gray-700);
  border: 1px solid var(--claudy-gray-300);
  border-radius: var(--claudy-border-radius-sm);
  margin: 0 0.25rem;
  transition: var(--claudy-transition);
}

.pagination .page-link:hover {
  background-color: var(--claudy-gray-50);
  color: var(--claudy-primary);
  border-color: var(--claudy-primary);
}

.pagination .page-item.active .page-link {
  background: linear-gradient(135deg, var(--claudy-primary) 0%, var(--claudy-primary-dark) 100%);
  border-color: var(--claudy-primary);
  box-shadow: var(--claudy-shadow-sm);
}

/* ============================================
   Loading Spinner - Smooth Animation
   ============================================ */
.spinner-border {
  border-color: var(--claudy-primary);
  border-right-color: transparent;
}

/* ============================================
   Responsive Enhancements
   ============================================ */
@media (max-width: 768px) {
  h1 { font-size: 1.875rem; }
  h2 { font-size: 1.5rem; }
  h3 { font-size: 1.25rem; }

  .hero-section h1 {
    font-size: 2rem;
  }

  .card-body, .panel-body {
    padding: 1rem;
  }
}

/* ============================================
   Smooth Scrolling & Performance
   ============================================ */
html {
  scroll-behavior: smooth;
}

* {
  -webkit-tap-highlight-color: transparent;
}

/* ============================================
   Focus Styles for Accessibility
   ============================================ */
*:focus {
  outline: 2px solid var(--claudy-primary);
  outline-offset: 2px;
}

button:focus,
a:focus {
  outline: 2px solid var(--claudy-primary);
  outline-offset: 2px;
}