/* Groups Styles - Modern Professional Design */
.groups-tabs {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 2rem;
    background: var(--background);
    padding: 0.5rem;
    border-radius: var(--border-radius-lg);
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.06);
}

.groups-tabs .tab-btn {
    padding: 0.875rem 2rem;
    background: transparent;
    border: none;
    border-radius: var(--border-radius);
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.groups-tabs .tab-btn:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-primary);
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
}

.groups-tabs .tab-btn:hover {
    color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.15);
}

.groups-tabs .tab-btn.active {
    background: var(--card-background);
    color: var(--primary-color);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.15), 0 2px 4px rgba(0, 0, 0, 0.1);
    transform: translateY(-2px);
}

.groups-tabs .tab-btn.active:before {
    opacity: 0.1;
}

.groups-content {
    position: relative;
}

.groups-content .tab-content {
    display: none;
}

.groups-content .tab-content.active {
    display: block;
}

.groups-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(380px, 1fr));
    gap: 2rem;
    margin-top: 1.5rem;
}

.group-card {
    background: var(--card-background);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.group-card:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.group-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1), 0 4px 10px rgba(0, 0, 0, 0.05);
    border-color: var(--primary-color);
}

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

.group-header {
    margin-bottom: 1rem;
}

.group-title {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.5rem;
}

.group-title h3 {
    margin: 0;
    color: var(--text-primary);
    font-size: 1.375rem;
    font-weight: 700;
    letter-spacing: -0.025em;
}

.group-title i {
    color: var(--text-secondary);
    font-size: 1.125rem;
    opacity: 0.7;
    transition: all 0.3s ease;
}

.group-card:hover .group-title i {
    color: var(--primary-color);
    opacity: 1;
}

.group-meta {
    display: flex;
    gap: 1.5rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-top: 0.75rem;
}

.group-meta span {
    display: flex;
    align-items: center;
    gap: 0.375rem;
}

.group-meta span:before {
    content: '•';
    color: var(--primary-color);
    font-weight: bold;
}

.group-meta span:first-child:before {
    display: none;
}

.group-description {
    margin: 1.25rem 0 1.75rem 0;
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 0.95rem;
}

.group-actions {
    display: flex;
    gap: 0.875rem;
    flex-wrap: wrap;
    margin-top: auto;
}

.group-actions .btn {
    flex: 1;
    min-width: 130px;
    font-weight: 600;
    font-size: 0.875rem;
    padding: 0.75rem 1.25rem;
}

/* Group Details Modal - Modern Professional */
.group-details {
    max-width: 100%;
    background: var(--card-background);
}

.group-info {
    margin-bottom: 2.5rem;
    padding: 2rem;
    background: linear-gradient(135deg, var(--background) 0%, rgba(99, 102, 241, 0.03) 100%);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--border-color);
    position: relative;
}

.group-info:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
}

.group-header-detail {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.group-header-detail h3 {
    margin: 0;
    color: var(--text-primary);
    font-size: 1.75rem;
    font-weight: 800;
    letter-spacing: -0.025em;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.group-badges {
    display: flex;
    gap: 0.5rem;
}

.badge {
    padding: 0.375rem 1rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.75px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    border: 2px solid transparent;
    transition: all 0.3s ease;
}

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

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

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

.badge:hover {
    transform: scale(1.05);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
}

.group-description {
    margin-bottom: 1rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

.group-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 1.25rem;
    margin-top: 1.5rem;
}

/* Fix group modal stat text visibility - Maximum specificity */
body #groupDetailsModal .group-stats .stat-item span.stat-label,
html body #groupDetailsModal .group-stats .stat-item .stat-label {
    color: #ffffff !important;
    font-weight: 600;
}

body #groupDetailsModal .group-stats .stat-item span.stat-value,
html body #groupDetailsModal .group-stats .stat-item .stat-value {
    color: #ffffff !important;
    font-weight: 700;
}

/* Individual user stats in group modal */
#groupDetailsModal .member-card .stat-label {
    color: var(--primary-color) !important;
    font-weight: 600;
}

#groupDetailsModal .member-card .stat-value {
    color: #ffffff !important;
    font-weight: 700;
}

.stat-item {
    text-align: center;
    padding: 1.25rem;
    background: linear-gradient(135deg, var(--background) 0%, rgba(99, 102, 241, 0.05) 100%);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.stat-item:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
}

.stat-item:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(99, 102, 241, 0.1);
}

.stat-label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 0.5px;
    margin-bottom: 0.5rem;
}

.stat-value {
    display: block;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary);
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Group Members - Enhanced Design */
.group-members-section {
    margin-top: 2.5rem;
}

.group-members-section .section-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 2rem;
    padding: 1.5rem 2rem;
    background: linear-gradient(135deg, var(--background) 0%, rgba(99, 102, 241, 0.05) 100%);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--border-color);
}

.group-members-section h4 {
    margin: 0;
    color: var(--text-primary);
    font-size: 1.375rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.group-members-section h4:before {
    content: '';
    width: 4px;
    height: 1.5rem;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.members-group {
    margin-bottom: 2.5rem;
}

.members-group h5 {
    margin: 0 0 1.5rem 0;
    color: var(--text-secondary);
    font-size: 1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 0.75rem 1.5rem;
    background: linear-gradient(135deg, var(--background) 0%, rgba(99, 102, 241, 0.08) 100%);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--primary-color);
}

.members-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 1.5rem;
}

.member-card {
    background: var(--card-background);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 1.75rem;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.member-card:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.member-card:hover {
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
    transform: translateY(-4px);
    border-color: var(--primary-color);
}

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

.member-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.member-info h4 {
    margin: 0 0 0.375rem 0;
    color: var(--text-primary);
    font-size: 1.125rem;
    font-weight: 700;
    letter-spacing: -0.025em;
}

.username {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.role-badge {
    padding: 0.375rem 0.875rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    border: 2px solid transparent;
}

.role-badge.admin {
    background: var(--gradient-primary);
    color: white;
    animation: glow 2s ease-in-out infinite alternate;
}

@keyframes glow {
    from {
        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1), 0 0 10px rgba(99, 102, 241, 0.3);
    }
    to {
        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1), 0 0 20px rgba(99, 102, 241, 0.5);
    }
}

.member-stats {
    margin-bottom: 1rem;
}

.stat-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1rem;
}

.stat-row .stat-item {
    padding: 0.875rem;
    background: linear-gradient(135deg, var(--background) 0%, rgba(99, 102, 241, 0.03) 100%);
    border-radius: var(--border-radius);
    text-align: center;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.stat-row .stat-item:hover {
    transform: scale(1.02);
    background: linear-gradient(135deg, var(--background) 0%, rgba(99, 102, 241, 0.08) 100%);
}

.stat-row .stat-value {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--primary-color);
}

.stat-row .stat-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

.stat-row .stat-label {
    font-size: 0.75rem;
}

.last-workout {
    padding: 0.5rem;
    background: var(--background);
    border-radius: var(--border-radius);
    text-align: center;
}

.last-workout {
    padding: 0.875rem;
    background: linear-gradient(135deg, var(--background) 0%, rgba(16, 185, 129, 0.05) 100%);
    border-radius: var(--border-radius);
    border: 1px solid var(--border-color);
    margin-top: 1rem;
}

.last-workout-label {
    font-size: 0.75rem;
    color: var(--text-secondary);
    display: block;
    margin-bottom: 0.375rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.last-workout-date {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--success-color);
}

.recent-workouts {
    margin-bottom: 1rem;
}

.recent-workouts h5 {
    margin: 0 0 0.5rem 0;
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 600;
}

.mini-workouts {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.mini-workout {
    padding: 0.5rem;
    background: var(--background);
    border-radius: var(--border-radius);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.workout-date {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-primary);
}

.workout-info {
    font-size: 0.75rem;
    color: var(--text-secondary);
}

.member-actions {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: 0.75rem;
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.member-actions .btn {
    font-size: 0.8rem;
    font-weight: 600;
    padding: 0.625rem 0.875rem;
    white-space: nowrap;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    padding: 0.25rem 0.5rem;
}

.member-actions .btn-success:disabled,
.member-actions .btn-warning:disabled {
    opacity: 0.7;
    cursor: default;
}

.member-actions .btn-success:disabled {
    background: var(--success-color) !important;
    color: white !important;
}

.member-actions .btn-warning:disabled {
    background: var(--warning-color) !important;
    color: white !important;
}

/* Group Invitations - Modern Design */
.group-invitation-card {
    background: var(--card-background);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    margin-bottom: 1.5rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.group-invitation-card:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-warning);
}

.group-invitation-card:hover {
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.12);
    transform: translateY(-4px);
    border-color: var(--warning-color);
}

.invitation-header {
    margin-bottom: 1rem;
}

.invitation-meta {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
}

.inviter {
    font-weight: 600;
    color: var(--primary-color);
}

.invitation-actions {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.invitation-actions .btn {
    flex: 1;
    min-width: 120px;
}

/* Invite to Group Modal - Enhanced */
.search-section {
    margin-bottom: 2rem;
}

.search-help {
    margin-top: 0.75rem;
    padding: 1rem;
    background: linear-gradient(135deg, var(--background) 0%, rgba(99, 102, 241, 0.05) 100%);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--primary-color);
}

.search-results {
    max-height: 400px;
    overflow-y: auto;
    margin-top: 1.5rem;
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--border-color);
    background: var(--card-background);
}

.invite-friend-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem;
    border-bottom: 1px solid var(--border-color);
    transition: all 0.3s ease;
    position: relative;
}

.invite-friend-item:last-child {
    border-bottom: none;
}

.invite-friend-item:hover {
    background: linear-gradient(135deg, var(--background) 0%, rgba(99, 102, 241, 0.05) 100%);
    padding-left: 1.5rem;
}

.invite-friend-item:before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--gradient-primary);
    transform: scaleY(0);
    transition: transform 0.3s ease;
}

.invite-friend-item:hover:before {
    transform: scaleY(1);
}

.friend-info {
    display: flex;
    flex-direction: column;
    gap: 0.375rem;
}

.friend-name {
    font-weight: 700;
    color: var(--text-primary);
    font-size: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.friend-username {
    font-size: 0.875rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.friend-badge {
    display: inline-flex;
    align-items: center;
    background: var(--gradient-success);
    color: white;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 2px 4px rgba(16, 185, 129, 0.3);
}

.friend-badge:before {
    content: '👥';
    margin-right: 0.375rem;
}

.member-badge {
    display: inline-flex;
    align-items: center;
    background: var(--gradient-primary);
    color: white;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 0.25rem 0.75rem;
    border-radius: 50px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: 0 2px 4px rgba(99, 102, 241, 0.3);
}

.member-badge:before {
    content: '⭐';
    margin-right: 0.375rem;
}

.search-separator {
    text-align: center;
    padding: 1rem 0;
    margin: 1rem 0;
    border-top: 1px solid var(--border-color);
}

.search-help {
    margin-bottom: 1rem;
}

.loading-text {
    text-align: center;
    padding: 2rem;
    color: var(--text-secondary);
    font-style: italic;
}

/* Invited button specific styles */
.btn-secondary:disabled,
.btn-secondary[disabled] {
    background: var(--gradient-success) !important;
    color: white !important;
    border-color: var(--success-color) !important;
    opacity: 0.8;
    cursor: not-allowed;
}

.btn-secondary:disabled:hover,
.btn-secondary[disabled]:hover {
    transform: none !important;
    box-shadow: none !important;
}

/* Empty States */
.empty-state {
    text-align: center;
    padding: 3rem 2rem;
    color: var(--text-secondary);
}

.empty-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    opacity: 0.3;
}

.empty-state h3 {
    margin: 0 0 1rem 0;
    color: var(--text-primary);
}

.empty-state p {
    margin-bottom: 2rem;
    line-height: 1.5;
}

/* Modal Enhancements */
.modal-content.large {
    max-width: 900px;
    width: 90vw;
    max-height: 80vh;
    overflow-y: auto;
}