/*
    Custom styles for a professional and attractive black and white theme.
*/

/* Base & Typography */
body {
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: #f9f9f9;
    color: #333;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    color: #000;
    margin-top: 1.5em;
    margin-bottom: 0.5em;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.75rem; }

a {
    color: #000;
    text-decoration: none;
    transition: color 0.2s ease-in-out;
}

a:hover {
    color: #555;
}

/* Layout */
.container {
    max-width: 1200px;
}

/* Header & Navigation */
.navbar {
    background-color: #fff !important;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
    padding: 1rem 0;
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
}

.nav-link {
    font-weight: 500;
    color: #555 !important;
    padding: 0.5rem 1rem !important;
    transition: color 0.2s ease-in-out;
}

.nav-link:hover, .nav-link.active {
    color: #000 !important;
}

/* Buttons */
.btn {
    border-radius: 8px;
    padding: 12px 30px;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    transition: all 0.2s ease-in-out;
    border: 2px solid transparent;
}

.btn-primary {
    background-color: #000;
    color: #fff;
}

.btn-primary:hover {
    background-color: #333;
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
}

.btn-secondary {
    background-color: #eee;
    color: #333;
    border-color: #ddd;
}

.btn-secondary:hover {
    background-color: #ddd;
}

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
}

.form-control {
    border-radius: 8px;
    border: 1px solid #ddd;
    padding: 12px 20px;
    background-color: #fff;
    transition: border-color 0.2s ease-in-out, box-shadow 0.2s ease-in-out;
}

.form-control:focus {
    border-color: #000;
    box-shadow: 0 0 0 3px rgba(0,0,0,0.1);
    outline: none;
}

/* Event Card */
.event-card {
    background-color: #fff;
    border: 1px solid #eee;
    border-radius: 10px;
    padding: 30px;
    margin-bottom: 30px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.03);
    transition: all 0.3s ease;
}

.event-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 25px rgba(0,0,0,0.08);
}

.event-date {
    font-size: 0.85rem;
    color: #777;
    margin-bottom: 10px;
    display: block;
}

.event-details {
    display: none;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid #f5f5f5;
}

/* Tables */
.table {
    background-color: #fff;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.03);
    width: 100%;
    border-collapse: collapse;
}

.table th, .table td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid #f0f0f0;
}

.table thead th {
    font-weight: 600;
    color: #000;
}

.table tbody tr:hover {
    background-color: #f9f9f9;
}

/* Footer */
.footer {
    padding: 2rem 0;
    margin-top: 3rem;
    background-color: #fff;
    border-top: 1px solid #eee;
    text-align: center;
    color: #777;
}