:root {
    /* Updated Color Scheme - Purple Primary (Swapped) */
    --primary: #764ba2;
    --primary-light: #9d6cc4;
    --primary-dark: #5a3778;
    --secondary: #667eea;
    --accent: #764ba2;
    
    /* Legacy support (gradually remove) */
    --primary-color: var(--primary);
    --secondary-color: var(--secondary);
    
    /* System Colors */
    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --info-color: #06b6d4;
    --light-color: #f8fafc;
    --dark-color: #1f2937;
    
    /* Layout Variables (updated for headerless design) */
    --sidebar-width: 280px;
    --sidebar-collapsed-width: 64px;
    --transition-speed: 0.3s;
    --mobile-header-height: 60px;
    --border-radius: 12px;
    --glass-border-radius: 20px;
    
    /* Effects */
    --shadow-light: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-medium: 0 4px 12px rgba(0,0,0,0.15);
    --shadow-heavy: 0 8px 24px rgba(0,0,0,0.2);
    --glass-bg: rgba(255, 255, 255, 0.85);
    --glass-border: rgba(255, 255, 255, 0.2);
    
    /* Gradients - Avatar Gradient as Primary Theme */
    --gradient-bg: linear-gradient(135deg, #fdfcfe 0%, #faf8fc 50%, #f6f2fa 100%);
    --gradient-primary: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    --gradient-purple: var(--gradient-primary);
    --gradient-accent: linear-gradient(135deg, var(--secondary) 0%, var(--primary) 100%);
    --gradient-soft: linear-gradient(135deg, #f8fafc 0%, var(--primary-light) 50%, #f6f2fa 100%);
    --gradient-card: linear-gradient(135deg, rgba(255,255,255,0.9) 0%, rgba(248,250,252,0.8) 100%);
    --gradient-hover: linear-gradient(135deg, var(--primary-light) 0%, rgba(255,255,255,0.9) 100%);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--gradient-bg);
    min-height: 100vh;
    margin: 0;
    padding: 0;
}

/* Mobile Header (only visible on mobile) */
.mobile-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--mobile-header-height);
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    z-index: 1030;
}

@media (min-width: 992px) {
    .mobile-header {
        display: none !important;
    }
}

/* New Sidebar Header Styles */
.sidebar-header-new {
    background: var(--gradient-primary);
    position: relative;
    z-index: 10;
}

.studio-selector-header {
    display: flex;
    align-items: center;
    padding: 1.5rem;
    cursor: pointer;
    transition: all var(--transition-speed) ease;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.studio-selector-header:hover {
    background: rgba(255, 255, 255, 0.1);
}

.studio-logo-circle {
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1rem;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.header-logo {
    height: 43px;
    width: auto;
}

.studio-info {
    flex: 1;
    min-width: 0;
}

.studio-label {
    display: block;
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 2px;
}

.studio-name {
    display: block;
    color: white;
    font-size: 1.125rem;
    font-weight: 700;
    text-overflow: ellipsis;
    overflow: hidden;
    white-space: nowrap;
}

.dropdown-toggle-icon {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1rem;
    transition: transform var(--transition-speed) ease;
}

.studio-selector-header.expanded .dropdown-toggle-icon {
    transform: rotate(180deg);
}

.studio-dropdown-menu {
    background: var(--gradient-primary);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    max-height: 300px;
    overflow-y: auto;
}

.studio-dropdown-item {
    display: flex;
    align-items: center;
    padding: 1rem 1.5rem;
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    transition: all var(--transition-speed) ease;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.studio-dropdown-item:hover {
    background: rgba(255, 255, 255, 0.1);
    color: white;
    text-decoration: none;
}

.studio-dropdown-item.active {
    background: rgba(255, 255, 255, 0.15);
    color: white;
}

.studio-dropdown-item i {
    margin-right: 0.75rem;
    width: 16px;
    text-align: center;
}

.studio-item {
    display: flex;
    align-items: center;
    padding: 1rem 1.5rem;
    color: rgba(255, 255, 255, 0.9);
    cursor: pointer;
    transition: all var(--transition-speed) ease;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.studio-item:hover {
    background: rgba(255, 255, 255, 0.1);
    color: white;
}

.studio-item.active {
    background: rgba(255, 255, 255, 0.15);
    color: white;
}

.studio-item .studio-icon {
    margin-right: 0.75rem;
    width: 16px;
    text-align: center;
}

.studio-item .studio-details {
    flex-grow: 1;
}

.studio-item .check-icon {
    margin-left: auto;
}

.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border-right: 1px solid var(--glass-border);
    transform: translateX(0);
    transition: transform var(--transition-speed) ease;
    z-index: 1020;
    box-shadow: var(--shadow-medium);
    display: flex;
    flex-direction: column;
}

.sidebar.collapsed {
    width: var(--sidebar-collapsed-width);
}

/* Sidebar Header Styling */
.sidebar-header {
    border-bottom: 1px solid var(--glass-border);
    background: rgba(255, 255, 255, 0.1);
}

.logo-container .logo-img {
    border-radius: 8px;
    transition: transform var(--transition-speed) ease;
}

.logo-container .logo-img:hover {
    transform: scale(1.05);
}

.branding .studio-name {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary);
    margin: 0;
    line-height: 1.2;
}

.branding .studio-subtitle {
    font-size: 0.75rem;
    color: var(--primary);
    margin: 0;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Sidebar Content */
.sidebar-content {
    flex: 1;
    padding: 1rem 0;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

.sidebar-nav-section {
    flex-grow: 0;
    flex-shrink: 0;
}

.sidebar-nav {
    padding: 0 1rem;
    margin: 0;
}

.sidebar-nav .nav-item {
    margin-bottom: 0.25rem;
}

.sidebar-nav .nav-link {
    display: flex;
    align-items: center;
    padding: 0.75rem 1rem;
    color: var(--dark-color);
    text-decoration: none;
    transition: all var(--transition-speed) ease;
    border-radius: var(--border-radius);
    margin-bottom: 0.25rem;
    position: relative;
    overflow: hidden;
    background: transparent;
}

/* Hover animation with glass effect */
.sidebar-nav .nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(184, 168, 216, 0.1), transparent);
    transition: left var(--transition-speed) ease;
    z-index: 0;
}

.sidebar-nav .nav-link:hover::before {
    left: 100%;
}

.sidebar-nav .nav-link:hover {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    color: var(--primary);
    transform: translateX(8px);
    box-shadow: 0 4px 20px rgba(184, 168, 216, 0.15);
    border: 1px solid rgba(184, 168, 216, 0.2);
}

.sidebar-nav .nav-link.active {
    background: var(--gradient-purple);
    color: white;
    box-shadow: 0 8px 32px rgba(184, 168, 216, 0.3);
    transform: translateX(4px);
}

.sidebar-nav .nav-link.active::before {
    display: none;
}

.sidebar-nav .nav-link i {
    width: 20px;
    margin-right: 0.75rem;
    text-align: center;
    transition: all var(--transition-speed) ease;
    z-index: 1;
    position: relative;
}

.sidebar-nav .nav-link:hover i {
    transform: scale(1.2) rotate(5deg);
    color: var(--primary);
}

.sidebar-nav .nav-link.active:hover i {
    color: white;
    transform: scale(1.1);
}

.sidebar-nav .nav-link .nav-text {
    z-index: 1;
    position: relative;
    font-weight: 500;
    transition: all var(--transition-speed) ease;
}

.sidebar-nav .nav-link:hover .nav-text {
    font-weight: 600;
}

.sidebar.collapsed .nav-text {
    display: none;
}

.sidebar.collapsed .nav-link {
    padding: 0.75rem;
    justify-content: center;
}

.sidebar.collapsed .nav-link i {
    margin: 0;
}

.sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1010;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-speed) ease;
}

.sidebar-overlay.show {
    opacity: 1;
    visibility: visible;
}

.main-content {
    margin-left: var(--sidebar-width);
    min-height: 100vh;
    padding: 2rem;
    transition: margin-left var(--transition-speed) ease;
    position: relative;
}

.content-wrapper {
    max-width: 100%;
    height: 100%;
}

.main-content.sidebar-collapsed {
    margin-left: var(--sidebar-collapsed-width);
}


/* Sidebar Footer */
.sidebar-footer {
    position: fixed;
    bottom: 0;
    left: 0;
    width: var(--sidebar-width);
    border-top: 1px solid var(--glass-border);
    padding: 1rem;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    z-index: 1025;
}

/* User Menu in Sidebar */
.user-menu-sidebar {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    position: relative;
}

.user-profile-section {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    padding: 0.75rem;
    border-radius: var(--border-radius);
    transition: all var(--transition-speed) ease;
}

.user-profile-section:hover {
    background: var(--primary-light);
}

.user-avatar {
    width: 40px;
    height: 40px;
    background: var(--gradient-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.25rem;
}

.user-info {
    flex: 1;
    min-width: 0;
}

.user-name {
    display: block;
    font-weight: 600;
    color: var(--primary);
    font-size: 0.875rem;
    line-height: 1.2;
}

.user-role {
    display: block;
    font-size: 0.75rem;
    color: var(--primary);
    opacity: 0.8;
}

.user-toggle-icon {
    margin-left: auto;
    color: var(--primary);
    transition: transform var(--transition-speed) ease;
}

.user-toggle-icon.expanded {
    transform: rotate(180deg);
}

.user-actions {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    padding: 0.5rem 0;
    margin: 0.5rem 0 0 0;
    border-top: 1px solid var(--glass-border);
    max-height: 0;
    overflow: hidden;
    transition: all var(--transition-speed) ease;
    position: absolute;
    bottom: 100%;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    border-radius: var(--border-radius) var(--border-radius) 0 0;
    box-shadow: 0 -4px 12px rgba(0, 0, 0, 0.1);
}

.user-actions.expanded {
    max-height: 200px;
    opacity: 1;
}

.user-action-btn {
    width: calc(100% - 1rem);
    height: auto;
    border: none;
    background: transparent;
    color: var(--primary);
    border-radius: .375rem;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    padding: 0.75rem 1rem;
    margin: 0 0.5rem;
    transition: all var(--transition-speed) ease;
    cursor: pointer;
    font-size: 0.875rem;
}

.user-action-btn:hover {
    background: var(--primary-light);
    color: var(--primary);
    transform: translateX(4px);
}

.user-action-btn.logout-btn:hover {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger-color);
}

/* Auth Buttons in Sidebar */
.auth-buttons-sidebar {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.auth-btn {
    padding: 0.75rem 1rem;
    border: none;
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: all var(--transition-speed) ease;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.auth-btn.login-btn {
    background: var(--primary-light);
    color: var(--primary);
}

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

.auth-btn.register-btn {
    background: var(--gradient-purple);
    color: white;
}

.auth-btn.register-btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-medium);
}

/* Desktop Responsive - Ensure sidebar is always visible */
@media (min-width: 992px) {
    .sidebar {
        transform: translateX(0) !important;
        visibility: visible !important;
        display: block !important;
    }
    
    .sidebar-overlay {
        display: none !important;
    }
}

/* Mobile Responsive */
@media (max-width: 991.98px) {
    .sidebar {
        transform: translateX(-100%);
        width: var(--sidebar-width);
        top: var(--mobile-header-height);
        height: calc(100vh - var(--mobile-header-height));
    }
    
    .sidebar.show {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
        margin-top: var(--mobile-header-height);
        min-height: calc(100vh - var(--mobile-header-height));
    }
    
    .main-content.sidebar-collapsed {
        margin-left: 0;
    }
    
    .sidebar-footer {
        top: auto;
        bottom: 0;
    }
}

/* Glass Effect System */
.glass-effect {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--glass-border-radius);
    box-shadow: var(--shadow-medium);
}

.glass-effect-strong {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(40px);
    -webkit-backdrop-filter: blur(40px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: var(--shadow-heavy);
}

.glass-effect-subtle {
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    box-shadow: var(--shadow-light);
}

.glass-effect-purple {
    background: rgba(184, 168, 216, 0.1);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(184, 168, 216, 0.2);
    box-shadow: 0 8px 32px rgba(184, 168, 216, 0.15);
}

.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--glass-border-radius);
    box-shadow: var(--shadow-medium);
    transition: all var(--transition-speed) ease;
}

.glass-card:hover {
    background: rgba(255, 255, 255, 0.9);
    box-shadow: var(--shadow-heavy);
    transform: translateY(-2px);
}

/* Browser fallbacks for glass effects */
@supports not (backdrop-filter: blur()) {
    .glass-effect,
    .glass-effect-strong,
    .glass-effect-subtle,
    .glass-effect-purple,
    .glass-card {
        background: rgba(255, 255, 255, 0.95);
    }
}

/* Gradient Background System */
.gradient-bg {
    background: var(--gradient-bg);
}

.gradient-soft {
    background: var(--gradient-soft);
}

.gradient-card {
    background: var(--gradient-card);
}

.gradient-purple {
    background: var(--gradient-purple);
}

.gradient-accent {
    background: var(--gradient-accent);
}

.gradient-hover {
    background: var(--gradient-hover);
}

/* Animated gradients */
.gradient-animated {
    background: linear-gradient(-45deg, #fdfcfe, #faf8fc, #f6f2fa, var(--primary-light));
    background-size: 400% 400%;
    animation: gradientShift 15s ease infinite;
}

/* Session Block Animations */
/* Avatar styles */
.avatar-large {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--gradient-purple);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(184, 168, 216, 0.3);
}

/* Session Block Styles */
.session-block {
    padding: 1.25rem;
    border-radius: 12px;
    color: white;
    transition: all 0.3s ease;
    opacity: 1;
    transform: translateY(0);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.session-block:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

.session-block .badge {
    padding: 0.35rem 0.75rem;
    font-size: 0.75rem;
}

.session-block .progress {
    background-color: rgba(255, 255, 255, 0.2);
}

.session-block .dropdown-toggle {
    background: transparent;
    border: none;
    color: white;
}

.session-block small {
    opacity: 0.9;
}

/* Registration code styling */
.registration-code {
    font-family: 'Courier New', monospace;
    font-size: 1.1rem;
    font-weight: 600;
    background: #f8f9fa;
    padding: 0.25rem 0.75rem;
    border-radius: 6px;
    letter-spacing: 1px;
}

/* Calendar legend badge fixes */
#calendar-legend .badge {
    position: relative;
    text-decoration: none !important;
    border: none !important;
    outline: none !important;
}

#calendar-legend .badge::before,
#calendar-legend .badge::after {
    display: none !important;
}

/* Calendar day badges */
.calendar-day .badge {
    position: relative;
    z-index: 1;
    text-decoration: none !important;
    border: none !important;
}

.calendar-day .badge-sm {
    text-decoration: none !important;
}

/* Detail section for customer header */
.detail-section {
    background: white;
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
}

.session-block-enter {
    opacity: 0;
    transform: translateY(-20px);
    animation: sessionBlockSlideIn 0.4s ease forwards;
}

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

.session-block-container {
    transition: height 0.3s ease;
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* Gradient overlays */
.gradient-overlay {
    position: relative;
}

.gradient-overlay::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-soft);
    opacity: 0.7;
    pointer-events: none;
    border-radius: inherit;
}

.card {
    border: none;
    border-radius: var(--glass-border-radius);
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    box-shadow: var(--shadow-medium);
    transition: all var(--transition-speed) ease;
}

.card:hover {
    background: rgba(255, 255, 255, 0.9);
    box-shadow: var(--shadow-heavy);
    transform: translateY(-2px);
}

.card-header {
    background: var(--gradient-purple);
    color: white;
    border-bottom: none;
    border-radius: var(--glass-border-radius) var(--glass-border-radius) 0 0 !important;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.btn-primary {
    background: var(--gradient-primary);
    border: none;
    border-radius: var(--border-radius);
    transition: all var(--transition-speed) ease;
    position: relative;
    overflow: hidden;
    color: white;
    font-weight: 500;
}

.btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(118, 75, 162, 0.3);
    color: white;
}

.btn-primary:active {
    transform: translateY(0);
    transition: transform 0.1s ease;
}

.btn-outline-primary {
    color: var(--primary);
    border-color: var(--primary);
    border-radius: var(--border-radius);
    border-width: 2px;
    background: transparent;
    transition: all var(--transition-speed) ease;
}

.btn-outline-primary:hover {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(184, 168, 216, 0.3);
}

.btn-outline-primary.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
    box-shadow: 0 4px 15px rgba(184, 168, 216, 0.3);
}

.btn-outline-primary.active:hover {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(184, 168, 216, 0.3);
}

.btn-outline-primary span {
    position: relative;
    z-index: 1;
}

/* Enhanced button interactions */
.btn {
    transition: all var(--transition-speed) ease;
}

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

.btn:active {
    transform: translateY(0);
    transition: transform 0.1s ease;
}

/* Metric Cards System */
.metrics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.metric-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--glass-border-radius);
    padding: 1.5rem;
    transition: all var(--transition-speed) ease;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-medium);
}

.metric-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-purple);
    border-radius: var(--glass-border-radius) var(--glass-border-radius) 0 0;
}

.metric-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(184, 168, 216, 0.2);
    background: rgba(255, 255, 255, 0.95);
}

.metric-card-clickable {
    cursor: pointer;
    transition: all 0.2s ease;
}

.metric-card-clickable:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 48px rgba(184, 168, 216, 0.3);
    background: rgba(255, 255, 255, 1);
}

.metric-card-clickable:active {
    transform: translateY(-2px);
}

.metric-card-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.metric-info {
    flex: 1;
}

.metric-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
    margin: 0;
    line-height: 1.2;
    transition: all var(--transition-speed) ease;
}

.metric-card:hover .metric-value {
    color: var(--primary);
    transform: scale(1.05);
}

.metric-title {
    font-size: 0.875rem;
    color: var(--dark-color);
    opacity: 0.7;
    margin: 0.5rem 0 0 0;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.metric-change {
    font-size: 0.75rem;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-weight: 600;
    margin-top: 0.5rem;
    display: inline-block;
}

.metric-change.positive {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
}

.metric-change.negative {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger-color);
}

.metric-change.neutral {
    background: var(--primary-light);
    color: white;
}

.metric-icon-wrapper {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    position: relative;
    overflow: hidden;
    transition: all var(--transition-speed) ease;
}

.metric-icon-wrapper::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-purple);
    border-radius: 50%;
    transition: all var(--transition-speed) ease;
}

.metric-icon-wrapper.gradient-blue::before {
    background: linear-gradient(135deg, #06b6d4 0%, #0891b2 100%);
}

.metric-icon-wrapper.gradient-green::before {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
}

.metric-icon-wrapper.gradient-orange::before {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
}

.metric-icon-wrapper.gradient-purple::before {
    background: var(--gradient-purple);
}

.metric-card:hover .metric-icon-wrapper {
    transform: scale(1.1) rotate(5deg);
}

.metric-icon-wrapper i {
    position: relative;
    z-index: 1;
    transition: all var(--transition-speed) ease;
}

.metric-card:hover .metric-icon-wrapper i {
    transform: scale(1.1);
}

/* Loading states for metrics */
.metric-card.loading {
    pointer-events: none;
}

.metric-card.loading .metric-value,
.metric-card.loading .metric-title,
.metric-card.loading .metric-change {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
    border-radius: 4px;
    color: transparent;
}

.metric-card.loading .metric-value {
    height: 2rem;
    width: 80px;
}

.metric-card.loading .metric-title {
    height: 1rem;
    width: 120px;
}

.metric-card.loading .metric-change {
    height: 0.75rem;
    width: 60px;
}

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

/* Customer Card System */
.customers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.customer-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--glass-border-radius);
    padding: 1.5rem;
    transition: all var(--transition-speed) ease;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-medium);
    cursor: pointer;
}

.customer-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-accent);
    border-radius: var(--glass-border-radius) var(--glass-border-radius) 0 0;
}

.customer-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 48px rgba(184, 168, 216, 0.25);
    background: rgba(255, 255, 255, 0.95);
}

.customer-card-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.customer-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--gradient-purple);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: white;
    font-size: 1.25rem;
    transition: all var(--transition-speed) ease;
    position: relative;
    overflow: hidden;
}

.customer-avatar::before {
    content: '';
    position: absolute;
    inset: 0;
    background: var(--gradient-accent);
    border-radius: 50%;
    opacity: 0;
    transition: opacity var(--transition-speed) ease;
}

.customer-card:hover .customer-avatar::before {
    opacity: 1;
}

.customer-avatar .avatar-initials {
    position: relative;
    z-index: 1;
    transition: all var(--transition-speed) ease;
}

.customer-card:hover .customer-avatar .avatar-initials {
    transform: scale(1.1);
}

.customer-info {
    flex: 1;
    min-width: 0;
}

.customer-name {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--primary);
    margin: 0 0 0.25rem 0;
    line-height: 1.3;
    transition: color var(--transition-speed) ease;
}

.customer-card:hover .customer-name {
    color: var(--primary);
}

.customer-email {
    font-size: 0.875rem;
    color: var(--dark-color);
    opacity: 0.7;
    margin: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.customer-status {
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-left: auto;
    transition: all var(--transition-speed) ease;
}

.customer-status.active {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.customer-status.inactive {
    background: rgba(107, 114, 128, 0.1);
    color: #6b7280;
    border: 1px solid rgba(107, 114, 128, 0.2);
}

.customer-status.vip {
    background: rgba(147, 51, 234, 0.1);
    color: #9333ea;
    border: 1px solid rgba(147, 51, 234, 0.2);
}

.customer-status.new {
    background: rgba(236, 72, 153, 0.1);
    color: var(--accent);
    border: 1px solid rgba(236, 72, 153, 0.2);
}

.customer-status.active {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.customer-card:hover .customer-status {
    transform: scale(1.05);
}

.customer-details {
    margin-bottom: 1rem;
}

.detail-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
}

.detail-row:last-child {
    margin-bottom: 0;
}

.detail-label {
    color: var(--dark-color);
    opacity: 0.7;
    font-weight: 500;
}

.detail-value {
    color: var(--primary);
    font-weight: 600;
    text-align: right;
}

.customer-actions {
    display: flex;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

.details-btn {
    flex: 1;
    padding: 0.75rem 1rem;
    border-radius: var(--border-radius);
    font-weight: 500;
    transition: all var(--transition-speed) ease;
}

.details-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 6px 20px rgba(184, 168, 216, 0.3);
}

/* Search and Filter Bar */
.customer-search-bar {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--glass-border-radius);
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: var(--shadow-medium);
}

.search-input-group {
    position: relative;
}

.search-input-group .search-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--primary);
    z-index: 2;
}

.search-input {
    width: 100%;
    padding: 0.875rem 1rem 0.875rem 3rem;
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    background: rgba(255, 255, 255, 0.7);
    transition: all var(--transition-speed) ease;
    font-size: 0.875rem;
}

.search-input:focus {
    outline: none;
    border-color: var(--primary);
    background: white;
    box-shadow: 0 0 0 3px rgba(184, 168, 216, 0.1);
}

.filter-select {
    background: rgba(255, 255, 255, 0.7);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    padding: 0.875rem 1rem;
    transition: all var(--transition-speed) ease;
    font-size: 0.875rem;
}

.filter-select:focus {
    outline: none;
    border-color: var(--primary);
    background: white;
    box-shadow: 0 0 0 3px rgba(184, 168, 216, 0.1);
}

/* Empty state */
.customers-empty-state {
    text-align: center;
    padding: 4rem 2rem;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--glass-border-radius);
    margin-top: 2rem;
}

.empty-state-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-soft);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    font-size: 2rem;
    color: var(--primary);
}

.empty-state-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.empty-state-text {
    color: var(--dark-color);
    opacity: 0.7;
    margin-bottom: 1.5rem;
}

.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 0.2rem rgba(184, 168, 216, 0.25);
}

.alert-success {
    background-color: #d4edda;
    border-color: #c3e6cb;
    color: #155724;
}

.alert-danger {
    background-color: #f8d7da;
    border-color: #f5c6cb;
    color: #721c24;
}

.alert-info {
    background-color: #d1ecf1;
    border-color: #bee5eb;
    color: #0c5460;
}

.footer {
    background-color: var(--dark-color);
    color: white;
    padding: 2rem 0;
    margin-top: 3rem;
}

.logo-placeholder {
    width: 30px;
    height: 30px;
    background-color: white;
    border-radius: 50%;
    display: inline-block;
    margin-right: 0.5rem;
}

/* Brand color specific styles for better readability */
.text-primary {
    color: var(--primary) !important;
}

.bg-primary {
    background: var(--gradient-purple) !important;
    color: white !important;
}

.badge.bg-primary:not(.kanban-column .badge) {
    background: var(--gradient-purple) !important;
    color: white !important;
}

.kanban-column .badge.bg-primary {
    background: var(--primary) !important;
    color: white !important;
}

.badge.bg-secondary {
    background: var(--secondary) !important;
    color: white !important;
}

/* Ensure white text on brand color backgrounds */
.card-header h1, .card-header h2, .card-header h3, .card-header h4, .card-header h5, .card-header h6 {
    color: white !important;
}

/* Secondary brand color styles */
.btn-outline-secondary {
    color: var(--secondary-color);
    border-color: var(--secondary-color);
}

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

/* Dropdown z-index fix */
.dropdown-menu {
    z-index: 1055 !important;
    position: relative;
}

.table .dropdown {
    position: static;
}

.table .dropdown .dropdown-menu {
    position: absolute;
    z-index: 1055 !important;
}

/* Lead status dropdown specific fix */
.lead-management .dropdown-menu {
    z-index: 1060 !important;
    margin-top: 0.25rem;
}

/* Goal Cards Styles */
.goal-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius);
    padding: 0.75rem;
    text-align: center;
    transition: all var(--transition-speed) ease;
    position: relative;
    backdrop-filter: blur(8px);
    box-shadow: var(--shadow-light);
}

.goal-card:hover {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow-medium);
    transform: translateY(-2px);
}

.goal-card.achieved {
    border-color: var(--success-color);
    background: rgba(16, 185, 129, 0.1);
}

.goal-label {
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--dark-color);
    margin-bottom: 0.5rem;
}

.goal-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.goal-input {
    border: none;
    background: transparent;
    font-weight: 600;
    font-size: 1.1rem;
    width: 60px;
    text-align: center;
    padding: 0.25rem 0;
    transition: all 0.3s ease;
}

.goal-input:focus {
    background: rgba(255, 255, 255, 0.8);
    box-shadow: 0 0 0 2px var(--primary);
    border-radius: 4px;
}

.goal-unit {
    font-size: 0.875rem;
    color: var(--dark-color);
    margin-left: 0.25rem;
    font-weight: 500;
}

.goal-achievement {
    position: absolute;
    top: -8px;
    right: -8px;
    font-size: 1.2rem;
    background: white;
    border-radius: 50%;
    padding: 2px;
}

/* Progress Cards Enhancements */
.progress-line {
    font-size: 0.8rem;
    line-height: 1.3;
}

.progress {
    background-color: rgba(0, 0, 0, 0.1);
}

.goal-info {
    margin-top: 0.75rem;
}

/* Measurement History Table */
.measurement-history-table {
    font-size: 0.9rem;
}

.measurement-history-table thead th {
    text-align: center;
    padding: 0.5rem 0.75rem;
    font-weight: 600;
    border-bottom: 2px solid var(--primary);
}

.measurement-history-table tbody td {
    text-align: center;
    vertical-align: middle;
}

.measurement-history-table input {
    border: 1px solid transparent;
    background: transparent;
    padding: 0.25rem 0.5rem;
    text-align: center;
    transition: all 0.2s ease;
    width: 100%;
}

.measurement-history-table input:focus {
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid var(--primary);
    box-shadow: 0 0 0 2px rgba(118, 75, 162, 0.1);
}

.measurement-history-table input.bg-success {
    background: rgba(16, 185, 129, 0.1) !important;
    border-color: var(--success-color) !important;
}

.measurement-history-table input.bg-danger {
    background: rgba(239, 68, 68, 0.1) !important;
    border-color: var(--danger-color) !important;
}

.measurement-history-table input.bg-warning {
    background: rgba(245, 158, 11, 0.1) !important;
    border-color: var(--warning-color) !important;
}

.session-dot {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: var(--gradient-primary);
    color: white;
    font-weight: 600;
    font-size: 0.75rem;
}

.add-row td {
    padding: 1rem;
}

.add-row .btn {
    border-style: dashed;
    color: var(--primary);
    border-color: var(--primary);
    transition: all 0.3s ease;
}

.add-row .btn:hover {
    background: var(--primary);
    color: white;
    border-style: solid;
}

@media (max-width: 768px) {
    .top-header img {
        height: 40px !important;
    }
    
    .card {
        margin: 0.5rem;
    }
    
    .main-content {
        padding: 1rem;
    }
    
    .goal-card {
        padding: 0.5rem;
    }
    
    .goal-input {
        font-size: 1rem;
        width: 50px;
    }
}

/* Enhanced measurement history styling */
.session-baseline .session-dot {
    background: var(--success-color) !important;
    border: 2px solid var(--success-color);
}

.session-baseline {
    background-color: rgba(16, 185, 129, 0.05);
}

.measurement-input {
    border: 1px solid transparent !important;
    background: rgba(255, 255, 255, 0.8);
}

.measurement-input:focus {
    border: 1px solid var(--primary) !important;
    box-shadow: 0 0 0 2px rgba(118, 75, 162, 0.1) !important;
    background: white !important;
}

/* Measurement row visual states for batch save system */
tr.measurement-row-unsaved {
    background-color: rgba(255, 193, 7, 0.15) !important; /* Light yellow */
    border-left: 4px solid #ffc107 !important;
}

tr.measurement-row-saving {
    background-color: rgba(13, 110, 253, 0.1) !important; /* Light blue */
    border-left: 4px solid #0d6efd !important;
}

tr.measurement-row-saved {
    background-color: rgba(25, 135, 84, 0.1) !important; /* Light green */
    border-left: 4px solid #198754 !important;
}

tr.measurement-row-error {
    background-color: rgba(220, 53, 69, 0.15) !important; /* Light red */
    border-left: 4px solid #dc3545 !important;
}

/* Measurement save button styling */
.measurement-save-btn {
    min-width: 32px;
    height: 32px;
}

.measurement-save-btn:disabled {
    opacity: 0.7;
}


/* Override session-baseline background for our visual states */
tr.session-baseline.measurement-row-unsaved {
    background-color: rgba(255, 193, 7, 0.15) !important;
}

tr.session-baseline.measurement-row-saving {
    background-color: rgba(13, 110, 253, 0.1) !important;
}

tr.session-baseline.measurement-row-error {
    background-color: rgba(220, 53, 69, 0.15) !important;
}