/* General Body Styles */
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: #f8f9fa;
    color: #212529;
    margin: 0;
    line-height: 1.6;
}

/* Container */
.container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

/* Header */
header.main-header {
    background-color: #ffffff;
    border-bottom: 1px solid #e9ecef;
    padding: 1rem 0;
    box-shadow: 0 2px 4px rgba(0,0,0,0.04);
}

header.main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 0;
    padding-bottom: 0;
}

.logo {
    font-size: 1.75rem;
    font-weight: bold;
    color: #007bff;
    text-decoration: none;
}

.main-nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
}

.main-nav li {
    margin-left: 1.5rem;
}

.main-nav a {
    text-decoration: none;
    color: #495057;
    font-weight: 500;
    transition: color 0.2s ease-in-out;
}

.main-nav a:hover, .main-nav a.active {
    color: #007bff;
}

/* Hero Section */
.hero {
    background: linear-gradient(45deg, #007bff, #6610f2);
    color: #ffffff;
    text-align: center;
    padding: 6rem 1rem;
}

.hero h1 {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.25rem;
    max-width: 600px;
    margin: 0 auto 2rem auto;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background-color: #ffffff;
    color: #007bff;
    box-shadow: 0 4px 15px rgba(0, 123, 255, 0.2);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 123, 255, 0.3);
}

.btn-secondary {
    border: 2px solid #ffffff;
    background-color: transparent;
    color: #ffffff;
}

.btn-secondary:hover {
    background-color: #ffffff;
    color: #007bff;
}


/* Admin Dashboard Specific Styles */
.dashboard-header {
    background-color: #fff;
    padding: 2rem;
    border-bottom: 1px solid #dee2e6;
    box-shadow: 0 0.125rem 0.25rem rgba(0,0,0,.075);
}

.dashboard-header h1 {
    margin: 0;
    font-size: 2rem;
}

.analytics-cards {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.card {
    background-color: #fff;
    border-radius: 0.5rem;
    box-shadow: 0 0.125rem 0.25rem rgba(0,0,0,.075);
    padding: 1.5rem;
    flex: 1;
    min-width: 220px;
    border-left: 5px solid #007bff;
}

.card h3 {
    margin-top: 0;
    font-size: 1rem;
    color: #6c757d;
}

.card .stat {
    font-size: 2.5rem;
    font-weight: bold;
    color: #343a40;
}

.user-management {
    background-color: #fff;
    padding: 2rem;
    border-radius: 0.5rem;
    box-shadow: 0 0.125rem 0.25rem rgba(0,0,0,.075);
}

.user-management-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.user-management-header h2 {
    margin: 0;
}

.table-responsive {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
}

th, td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid #dee2e6;
}

thead th {
    background-color: #f8f9fa;
    font-weight: 600;
}

tbody tr:hover {
    background-color: #f1f3f5;
}

.badge {
    display: inline-block;
    padding: 0.35em 0.65em;
    font-size: .75em;
    font-weight: 700;
    line-height: 1;
    color: #fff;
    text-align: center;
    white-space: nowrap;
    vertical-align: baseline;
    border-radius: 0.25rem;
}

.badge-success { background-color: #28a745; }
.badge-warning { background-color: #ffc107; color: #212529; }
.badge-danger  { background-color: #dc3545; }

/* Modal Styles */
.modal {
    display: none; /* Hidden by default */
    position: fixed; /* Stay in place */
    z-index: 1000; /* Sit on top */
    left: 0;
    top: 0;
    width: 100%; /* Full width */
    height: 100%; /* Full height */
    overflow: auto; /* Enable scroll if needed */
    background-color: rgba(0,0,0,0.4); /* Black w/ opacity */
}

.modal-content {
    background-color: #fefefe;
    margin: 10% auto;
    padding: 2rem;
    border: 1px solid #888;
    width: 80%;
    max-width: 500px;
    border-radius: 0.5rem;
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid #dee2e6;
    padding-bottom: 1rem;
    margin-bottom: 1rem;
}

.modal-header h2 {
    margin: 0;
}

.close-button {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
}

.close-button:hover,
.close-button:focus {
    color: black;
    text-decoration: none;
    cursor: pointer;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-group input, .form-group select {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #ced4da;
    border-radius: 0.25rem;
}

/* Login/Register Page Specifics */
.form-card {
    background-color: #fff;
    padding: 2.5rem;
    border-radius: 0.5rem;
    box-shadow: 0 0.25rem 0.75rem rgba(0,0,0,.075);
    max-width: 450px;
    margin: 2rem auto;
}

.button {
    display: block;
    width: 100%;
    padding: 0.85rem;
    border-radius: 0.25rem;
    background-color: #007bff;
    color: #ffffff;
    border: none;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s ease-in-out;
}

.button:hover {
    background-color: #0069d9;
}

.text-center {
    text-align: center;
    margin-top: 1.5rem;
}

/* Flash Messages */
.message {
    padding: 1rem;
    margin-bottom: 1rem;
    border-radius: 0.25rem;
    border: 1px solid transparent;
}

.message.error {
    color: #721c24;
    background-color: #f8d7da;
    border-color: #f5c6cb;
}

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

/* Post Section Styles */
.post-creation-section, .feed-section {
    background-color: #fff;
    padding: 2rem;
    border-radius: 0.5rem;
    box-shadow: 0 0.125rem 0.25rem rgba(0,0,0,.075);
    margin-bottom: 2rem;
}

.post-creation-section h2, .feed-section h2 {
    margin-top: 0;
    margin-bottom: 1.5rem;
    font-size: 1.75rem;
    color: #343a40;
}

.post-card {
    border: 1px solid #e9ecef;
    border-radius: 0.5rem;
    padding: 1.5rem;
    margin-bottom: 1rem;
    background-color: #fefefe;
}

.post-card:last-child {
    margin-bottom: 0;
}

.post-author {
    font-size: 1rem;
    color: #495057;
    margin-bottom: 0.5rem;
}

.post-author strong {
    color: #007bff;
}

.post-date {
    font-size: 0.85rem;
    color: #6c757d;
    float: right;
}

.post-content {
    font-size: 1.1rem;
    line-height: 1.6;
    color: #212529;
    white-space: pre-wrap; /* Preserve whitespace and line breaks */
}

textarea#post_content {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #ced4da;
    border-radius: 0.25rem;
    resize: vertical; /* Allow vertical resizing */
    font-family: inherit; /* Inherit font from body */
}

button[name="new_post"] {
    margin-top: 1rem;
    width: auto;
    padding: 0.75rem 2rem;
    border-radius: 0.25rem;
    background-color: #28a745; /* A green color for post button */
}

button[name="new_post"]:hover {
    background-color: #218838;
}

.button-secondary {
    background-color: #6c757d;
}

.button-secondary:hover {
    background-color: #5a6268;
}