/* Modern Professional Design System - Redball Energy Inspired */
:root {
  /* Redball Energy Red - Used as accent color */
  --redball-red: #dc2626;
  --redball-red-light: #ef4444;
  --redball-red-dark: #b91c1c;
  
  /* Neutral color palette */
  --primary-color: #374151;
  --primary-light: #4b5563;
  --primary-dark: #1f2937;
  --secondary-color: #6b7280;
  --success-color: #059669;
  --warning-color: #d97706;
  --danger-color: #dc2626;
  --info-color: #0891b2;
  
  /* Background colors - Clean and neutral */
  --bg-gradient-start: #ffffff;
  --bg-gradient-end: #f9fafb;
  --card-bg: #ffffff;
  --text-primary: #111827;
  --text-secondary: #4b5563;
  --text-muted: #6b7280;
  
  /* Border radius - Soft and modern */
  --border-radius: 12px;
  --border-radius-sm: 8px;
  --border-radius-lg: 16px;
  
  /* Subtle shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
}

html {
  font-size: 14px;
  position: relative;
  min-height: 100%;
}

@media (min-width: 768px) {
  html {
    font-size: 16px;
  }
}

body {
  background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 50%, #f1f5f9 100%);
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  position: relative;
}

body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    radial-gradient(circle at 25% 25%, rgba(220, 38, 38, 0.03) 0%, transparent 50%),
    radial-gradient(circle at 75% 75%, rgba(220, 38, 38, 0.02) 0%, transparent 50%);
  pointer-events: none;
  z-index: -1;
}

/* Focus states */
.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
  box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem var(--primary-color);
  border-color: var(--primary-color);
}

.login-container {
    max-width: 400px;
    margin: 100px auto;
    padding: 30px;
    background-color: #ffffff;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    align-items: center;
    justify-content: center;
    text-align: center;
}

/*.login-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    text-align: center;
}*/

.login-header {
    text-align: center;
    margin-bottom: 20px;
}

    .login-header h2 {
        color: #007bff;
        font-size: 24px;
        font-weight: 600;
    }

    .login-header p {
        font-size: 16px;
        color: #555;
    }

.btn-google {
    background-color: #4285F4;
    color: white;
    width: 100%;
    padding: 12px;
    font-size: 16px;
    border-radius: 5px;
    font-weight: bold;
    text-align: center;
    transition: background-color 0.3s;
}

    .btn-google:hover {
        background-color: #357ae8;
    }

/* Modern Card System */
.card {
  background: var(--card-bg);
  border-radius: var(--border-radius);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.8);
  transition: all 0.3s ease;
  overflow: hidden;
  backdrop-filter: blur(10px);
}

.card:hover {
  box-shadow: 0 10px 25px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.05);
  transform: translateY(-3px);
  border-color: rgba(220, 38, 38, 0.1);
}

.card-body {
  padding: 2rem;
}

.card-title {
  color: var(--text-primary);
  font-weight: 600;
  font-size: 1.25rem;
  margin-bottom: 1.5rem;
}

/* Modern Button System */
.btn {
  border-radius: var(--border-radius-sm);
  font-weight: 500;
  padding: 0.75rem 1.5rem;
  transition: all 0.3s ease;
  border: none;
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.5s;
}

.btn:hover::before {
  left: 100%;
}

.btn-primary {
  background: linear-gradient(135deg, var(--redball-red) 0%, var(--redball-red-light) 100%);
  color: white;
  box-shadow: var(--shadow);
}

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

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

.btn-outline-primary:hover {
  background: var(--redball-red);
  color: white;
  transform: translateY(-1px);
}

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

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

.btn-danger {
  background: linear-gradient(135deg, var(--danger-color) 0%, #f87171 100%);
  color: white;
}

.btn-danger:hover {
  background: linear-gradient(135deg, #dc2626 0%, var(--danger-color) 100%);
  transform: translateY(-1px);
}

/* Form Controls */
.form-control {
  border-radius: var(--border-radius-sm);
  border: 2px solid #e5e7eb;
  padding: 0.75rem 1rem;
  transition: all 0.3s ease;
  background: white;
}

.form-control:focus {
  border-color: var(--redball-red);
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.1);
}

.form-select {
  border-radius: var(--border-radius-sm);
  border: 2px solid #e5e7eb;
  padding: 0.75rem 1rem;
  transition: all 0.3s ease;
  background: white;
}

.form-select:focus {
  border-color: var(--redball-red);
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.1);
}

.form-label {
  font-weight: 500;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

/* Table Styling */
.table {
  border-radius: var(--border-radius-sm);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

.table thead th {
  background: var(--primary-color);
  color: white;
  font-weight: 600;
  border: none;
  padding: 1rem;
}

.table tbody tr {
  transition: background-color 0.3s ease;
}

.table tbody tr:hover {
  background-color: rgba(55, 65, 81, 0.05);
}

.table tbody td {
  padding: 1rem;
  border-bottom: 1px solid #f3f4f6;
  vertical-align: middle;
}

/* Pagination */
.pagination {
  gap: 0.25rem;
}

.page-link {
  border-radius: var(--border-radius-sm);
  border: none;
  color: var(--text-primary);
  padding: 0.75rem 1rem;
  transition: all 0.3s ease;
}

.page-link:hover {
  background: var(--redball-red);
  color: white;
  transform: translateY(-1px);
}

.page-item.active .page-link {
  background: var(--redball-red);
  color: white;
  box-shadow: var(--shadow);
}

.page-item.disabled .page-link {
  color: var(--text-muted);
  background: #f9fafb;
}

/* Loading Animation */
.spinner-border {
  color: var(--primary-color);
}

/* Navigation */
.navbar {
  background: rgba(255, 255, 255, 0.9) !important;
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: var(--shadow-sm);
}

.navbar-brand {
  font-weight: 700;
  color: var(--redball-red) !important;
}

.nav-link {
  color: var(--text-primary) !important;
  font-weight: 500;
  transition: all 0.3s ease;
  border-radius: var(--border-radius-sm);
  margin: 0 0.25rem;
}

.nav-link:hover {
  color: var(--redball-red) !important;
  background: rgba(220, 38, 38, 0.1);
}

/* Modern Project Header */
.project-header {
  background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(255, 255, 255, 0.8);
  padding: 2rem;
  margin-bottom: 2rem;
}

.project-header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
}

.project-header-left {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.project-badge {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: linear-gradient(135deg, var(--redball-red) 0%, var(--redball-red-light) 100%);
  color: white;
  padding: 0.75rem 1.25rem;
  border-radius: var(--border-radius);
  font-weight: 600;
  font-size: 0.875rem;
  box-shadow: var(--shadow);
}

.project-badge i {
  font-size: 1rem;
}

.project-title {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.project-id {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
  line-height: 1.2;
}

.project-subtitle {
  font-size: 1rem;
  color: var(--text-secondary);
  margin: 0;
  font-weight: 500;
}

.project-header-right {
  flex-shrink: 0;
}

.search-container {
  position: relative;
}

.search-box {
  display: flex;
  align-items: center;
  background: white;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
  border: 1px solid rgba(0, 0, 0, 0.1);
  overflow: hidden;
  transition: all 0.3s ease;
}

.search-box:focus-within {
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.1);
  border-color: var(--redball-red);
}

.search-icon {
  color: var(--text-muted);
  margin-left: 1rem;
  font-size: 0.875rem;
}

.search-input {
  border: none;
  outline: none;
  padding: 0.875rem 1rem;
  font-size: 0.875rem;
  background: transparent;
  min-width: 250px;
}

.search-input::placeholder {
  color: var(--text-muted);
}

.search-button {
  background: linear-gradient(135deg, var(--redball-red) 0%, var(--redball-red-light) 100%);
  color: white;
  border: none;
  padding: 0.875rem 1.25rem;
  font-size: 0.875rem;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
}

.search-button:hover {
  background: linear-gradient(135deg, var(--redball-red-dark) 0%, var(--redball-red) 100%);
  transform: translateY(-1px);
}

.search-button i {
  font-size: 0.75rem;
}

/* Status checkmark styling */
.status-check {
  font-size: 1.1rem;
  transition: all 0.2s ease;
}

.status-check:hover {
  transform: scale(1.2);
}

/* Table column sizing for status columns */
.table th.text-center,
.table td.text-center {
  width: 120px;
  min-width: 120px;
}

/* Responsive design for project header */
@media (max-width: 768px) {
  .project-header {
    padding: 1.5rem;
  }
  
  .project-header-content {
    flex-direction: column;
    gap: 1.5rem;
    align-items: stretch;
  }
  
  .project-header-left {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
  
  .project-id {
    font-size: 2rem;
  }
  
  .search-input {
    min-width: 200px;
  }
  
  /* Responsive table adjustments */
  .table th.text-center,
  .table td.text-center {
    width: 80px;
    min-width: 80px;
  }
}

/* Container spacing */
.container {
  padding: 1rem;
}

@media (min-width: 768px) {
  .container {
    padding: 1rem;
  }
}

/* Special Action Button Styling */
.action-button {
  background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
  border: 2px solid #e5e7eb;
  color: var(--text-primary);
  font-weight: 600;
  min-height: 120px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.action-button::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(220, 38, 38, 0.05) 0%, rgba(239, 68, 68, 0.05) 100%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.action-button:hover::before {
  opacity: 1;
}

.action-button:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: var(--redball-red);
}

.action-button i {
  font-size: 2rem;
  color: var(--redball-red);
  transition: all 0.3s ease;
}

.action-button:hover i {
  transform: scale(1.1);
}

.action-button span {
  font-size: 1.1rem;
  font-weight: 600;
  z-index: 1;
  position: relative;
}

/* Welcome Section Styling */
.welcome-section {
  background: linear-gradient(135deg, #fafafa 0%, #f5f5f5 100%);
  border-radius: var(--border-radius-lg);
  padding: 2rem;
  margin-bottom: 2rem;
  border: 1px solid rgba(55, 65, 81, 0.1);
}

.welcome-section h3 {
  color: var(--text-primary);
  font-weight: 700;
  margin-bottom: 1rem;
}

/* Search Section Styling */
.search-section {
  background: linear-gradient(135deg, #fafafa 0%, #f5f5f5 100%);
  border-radius: var(--border-radius-lg);
  padding: 2rem;
  margin-bottom: 2rem;
  border: 1px solid rgba(55, 65, 81, 0.1);
}

.search-section h3 {
  color: var(--text-primary);
  font-weight: 700;
  margin-bottom: 1.5rem;
}

/* Footer Styling */
footer {
  background: linear-gradient(135deg, var(--text-primary) 0%, #374151 100%);
  color: white;
  text-align: center;
  padding: 2rem 0;
  margin-top: 4rem;
  border-radius: var(--border-radius) var(--border-radius) 0 0;
}

footer a {
  color: #d1d5db;
  text-decoration: none;
  font-weight: 500;
  transition: color 0.3s ease;
}

footer a:hover {
  color: white;
}

/* Login Container */
.login-container {
  max-width: 400px;
  margin: 100px auto;
  padding: 2.5rem;
  background: var(--card-bg);
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-xl);
  text-align: center;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.login-header h2 {
  color: var(--primary-color);
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
}

.login-header p {
  color: var(--text-secondary);
  font-size: 1rem;
}

.btn-google {
  background: linear-gradient(135deg, #4285F4 0%, #34A853 100%);
  color: white;
  width: 100%;
  padding: 1rem;
  font-size: 1rem;
  border-radius: var(--border-radius-sm);
  font-weight: 600;
  text-align: center;
  transition: all 0.3s ease;
  box-shadow: var(--shadow);
}

.btn-google:hover {
  background: linear-gradient(135deg, #3367D6 0%, #2E7D32 100%);
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* Text utilities */
.text-muted {
  color: var(--text-muted) !important;
}

.text-primary {
  color: var(--primary-color) !important;
}

/* Issue Management Styles */
.border-left-warning {
  border-left: 4px solid var(--warning-color) !important;
}

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

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

.border-left-secondary {
  border-left: 4px solid var(--secondary-color) !important;
}

.comment {
  background: #f8f9fa !important;
  border: 1px solid #e9ecef;
  border-radius: var(--border-radius-sm);
}

.comment-author {
  color: var(--text-primary);
  font-size: 0.875rem;
}

.comment-text {
  color: var(--text-secondary);
  font-size: 0.875rem;
  line-height: 1.5;
}

.add-comment-form {
  margin-top: 1rem;
}

.add-comment-form textarea {
  resize: vertical;
  min-height: 60px;
}

.add-comment-form .btn {
  padding: 0.5rem 1rem;
  border-radius: 0 var(--border-radius-sm) var(--border-radius-sm) 0;
}

/* Comments Toggle Button Styling */
.btn[data-bs-toggle="collapse"] {
  transition: all 0.3s ease;
  border: 2px solid #e5e7eb;
  background: #f8f9fa;
  color: var(--text-secondary);
}

.btn[data-bs-toggle="collapse"]:hover {
  background: #e9ecef;
  border-color: var(--redball-red);
  color: var(--redball-red);
  transform: translateY(-1px);
}

.btn[data-bs-toggle="collapse"] i.fa-chevron-down {
  transition: transform 0.3s ease;
}

.btn[data-bs-toggle="collapse"]:focus {
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.1);
  border-color: var(--redball-red);
}

/* Create Issue Modal Styles */
#createIssueModal .modal-content {
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-xl);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

#createIssueModal .modal-header {
  background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
  border-bottom: 1px solid #e5e7eb;
  border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
}

#createIssueModal .modal-title {
  color: var(--text-primary);
  font-weight: 600;
  font-size: 1.25rem;
}

#createIssueModal .modal-body {
  padding: 2rem;
}

#createIssueModal .form-label {
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

#createIssueModal .form-control {
  border: 2px solid #e5e7eb;
  border-radius: var(--border-radius-sm);
  padding: 0.875rem 1rem;
  transition: all 0.3s ease;
}

#createIssueModal .form-control:focus {
  border-color: var(--redball-red);
  box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.1);
}

#createIssueModal .modal-footer {
  background: #f8fafc;
  border-top: 1px solid #e5e7eb;
  border-radius: 0 0 var(--border-radius-lg) var(--border-radius-lg);
  padding: 1.5rem 2rem;
}

#createIssueModal .btn {
  padding: 0.75rem 1.5rem;
  font-weight: 600;
  border-radius: var(--border-radius-sm);
}

#createIssueModal .btn-primary {
  background: linear-gradient(135deg, var(--redball-red) 0%, var(--redball-red-light) 100%);
  border: none;
  box-shadow: var(--shadow);
}

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

#createIssueModal .btn-primary:disabled {
  opacity: 0.7;
  transform: none;
  cursor: not-allowed;
}

#createIssueModal .btn-secondary {
  background: #f1f5f9;
  border: 2px solid #e5e7eb;
  color: var(--text-secondary);
}

#createIssueModal .btn-secondary:hover {
  background: #e2e8f0;
  border-color: #cbd5e1;
  color: var(--text-primary);
}

/* Tab Navigation Styling */
.nav-tabs {
  border-bottom: 2px solid #e5e7eb;
  background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
  border-radius: var(--border-radius) var(--border-radius) 0 0;
  padding: 0.5rem 0.5rem 0 0.5rem;
  margin: 0;
}

.nav-tabs .nav-link {
  border: none;
  background: transparent;
  color: var(--text-secondary);
  font-weight: 600;
  padding: 1rem 1.5rem;
  margin-right: 0.25rem;
  border-radius: var(--border-radius-sm) var(--border-radius-sm) 0 0;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.nav-tabs .nav-link::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(220, 38, 38, 0.1) 0%, rgba(239, 68, 68, 0.1) 100%);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.nav-tabs .nav-link:hover {
  color: var(--redball-red);
  background: rgba(220, 38, 38, 0.05);
  border-color: transparent;
}

.nav-tabs .nav-link:hover::before {
  opacity: 1;
}

.nav-tabs .nav-link.active {
  color: var(--redball-red);
  background: white;
  border-color: #e5e7eb #e5e7eb white;
  border-width: 2px 2px 0 2px;
  box-shadow: 0 -2px 4px rgba(0, 0, 0, 0.05);
  position: relative;
  z-index: 1;
}

.nav-tabs .nav-link.active::before {
  opacity: 0;
}

.nav-tabs .nav-link i {
  font-size: 1rem;
  margin-right: 0.5rem;
  transition: all 0.3s ease;
}

.nav-tabs .nav-link:hover i {
  transform: scale(1.1);
}

.nav-tabs .nav-link.active i {
  color: var(--redball-red);
}

/* Tab Content Styling */
.tab-content {
  background: white;
  border-radius: 0 0 var(--border-radius) var(--border-radius);
  min-height: 400px;
}

.tab-pane {
  padding: 2rem;
}

.tab-pane .card-title {
  margin-bottom: 1.5rem;
  color: var(--text-primary);
  font-weight: 600;
  font-size: 1.25rem;
  display: flex;
  align-items: center;
}

.tab-pane .card-title i {
  margin-right: 0.75rem;
  font-size: 1.1rem;
}

/* Files Tab Specific Styling */
#files .mb-4 {
  margin-bottom: 2rem !important;
}

#files .card-title {
  margin-bottom: 1rem !important;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid #f1f5f9;
}

#files .table-responsive {
  border-radius: var(--border-radius-sm);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
}

/* Actions Tab Specific Styling */
#actions .card-title {
  margin-bottom: 2rem !important;
  color: var(--text-primary);
  font-weight: 600;
  font-size: 1.5rem;
}

#actions .alert-info {
  background: linear-gradient(135deg, #e0f2fe 0%, #f0f9ff 100%);
  border: 1px solid #b3e5fc;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
}

#actions .alert-heading {
  color: var(--info-color);
  font-weight: 600;
  font-size: 1.1rem;
}

#actions .action-button {
  min-height: 80px;
  min-width: 300px;
  font-size: 1.1rem;
  box-shadow: var(--shadow-lg);
}

#actions .action-button:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-xl);
}

#actions .spinner-border {
  width: 3rem;
  height: 3rem;
}

/* Issues Tab Specific Styling */
#issues .card-title {
  margin-bottom: 1.5rem !important;
}

#issues .d-flex.gap-2 {
  gap: 0.75rem !important;
}

#issues .btn-sm {
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  font-weight: 600;
}

#issues .form-select-sm {
  padding: 0.5rem 0.75rem;
  font-size: 0.875rem;
}

/* Tab Animation */
.tab-pane.fade {
  transition: opacity 0.3s ease-in-out;
}

.tab-pane.fade:not(.show) {
  opacity: 0;
}

.tab-pane.fade.show {
  opacity: 1;
}

/* Responsive Tab Styling */
@media (max-width: 768px) {
  .nav-tabs {
    flex-direction: column;
    padding: 0;
  }
  
  .nav-tabs .nav-link {
    margin-right: 0;
    margin-bottom: 0.25rem;
    border-radius: var(--border-radius-sm);
    text-align: center;
  }
  
  .nav-tabs .nav-link.active {
    border-width: 2px;
    border-radius: var(--border-radius-sm);
  }
  
  .tab-pane {
    padding: 1.5rem;
  }
  
  .tab-pane .card-title {
    font-size: 1.1rem;
    margin-bottom: 1rem;
  }
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .card-body {
    padding: 1.5rem;
  }
  
  .action-button {
    min-height: 100px;
  }
  
  .action-button i {
    font-size: 1.5rem;
  }
  
  .action-button span {
    font-size: 1rem;
  }
}