:root {
    --primary-color: #4F46E5;
    --primary-light: #EEF2FF;
    --accent-color: #10B981;
    --warning-color: #F59E0B;
    --danger-color: #EF4444;
    --text-color: #1F2937;
    --text-light: #6B7280;
    --background-color: #FFFFFF;
    --section-bg: #F9FAFB;
    --border-radius: 12px;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
    --gradient-primary: linear-gradient(135deg, #4F46E5 0%, #7C3AED 100%);
    --gradient-accent: linear-gradient(135deg, #10B981 0%, #059669 100%);
    --text-primary: #1f2937;
}

body {
    background-color: #f5f7fb;
    color: var(--text-primary);
}

.navbar {
    background: var(--gradient-primary);
    box-shadow: var(--shadow-lg);
    padding: 1rem 2rem;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
}

.navbar-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.navbar-logo {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    margin-right: auto;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.navbar-brand img {
    height: 32px;
    width: auto;
}

.navbar-menu {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.navbar-link {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    position: relative;
    overflow: hidden;
}

.navbar-link::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;
}

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

.navbar-link:hover {
    background: rgba(255, 255, 255, 0.15);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.navbar-link:active {
    transform: translateY(0);
    transition: all 0.1s ease;
}

.navbar-link.active {
    background: rgba(255, 255, 255, 0.25);
    color: white;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.profile-chart-card .card-body {
    min-height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.profile-chart-card canvas {
    max-height: 240px;
    width: 100%;
}

.navbar-user {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.admin-content {
    margin-top: 6.5rem;
}