/* Base styles */
body {
    font-family: 'Inter', sans-serif;
    background-color: #f8f9fa;
}

h1, h2 {
    text-align: center;
}

ul {
    list-style-type: none;
    padding: 0;
}

#users, #messages {
    margin: 20px auto;
    max-width: 600px;
    padding: 10px;
    background: #fff;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
}

li {
    padding: 5px;
    border-bottom: 1px solid #eee;
}

li:last-child {
    border-bottom: none;
}

/* Hero section */
.hero-section {
    background: linear-gradient(135deg, #0d6efd 0%, #0dcaf0 100%);
    color: white;
    padding: 4rem 2rem;
    margin: -1.5rem -15px 2rem -15px;
    border-radius: 0 0 1rem 1rem;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

/* Cards */
.feature-card {
    border: none;
    transition: all 0.3s ease;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
}

/* Navigation */
.navbar {
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
    color: #fff !important;
}

/* Admin dashboard */
.admin-card {
    border: none;
    border-radius: 1rem;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
}

/* Tables */
.table {
    background: white;
    border-radius: 0.5rem;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

/* Forms */
.form-control {
    border-radius: 0.5rem;
    padding: 0.75rem 1rem;
}

.btn {
    border-radius: 0.5rem;
    padding: 0.75rem 1.5rem;
}

/* Error pages */
.error-page {
    padding: 5rem 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    min-height: calc(100vh - 200px);
    display: flex;
    align-items: center;
}

.error-page .display-1 {
    font-size: 10rem;
    font-weight: 800;
    background: linear-gradient(135deg, #0d6efd 0%, #0dcaf0 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1;
    margin-bottom: 1rem;
}

.error-page h2 {
    color: #343a40;
    font-weight: 600;
}

.error-page .lead {
    max-width: 500px;
    margin: 0 auto;
}