/* Global styles */
html, body { 
    font-family: 'Segoe UI', Arial, sans-serif; 
    background: #f0f2f5; 
    margin: 0; 
    padding: 0;
    height: 100%;
    width: 100%;
    line-height: 1.6;
}

/* Main layout */
.main-container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.content-wrapper {
    display: flex;
    flex: 1;
    margin-top: 64px;
    padding: 20px;
}

/* Navigation */
nav {
    background: #222;
    color: #fff;
    padding: 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
    box-sizing: border-box;
}

nav a {
    color: #fff;
    margin-right: 18px;
    text-decoration: none;
    font-weight: 500;
}

nav a:hover {
    color: #0077cc;
}

.nav-links {
    display: flex;
    align-items: center;
}

.user-email {
    color: #0077cc; 
    font-weight: 500;
}

/* Sidebar */
.sidebar {
    width: 250px;
    background: #222;
    color: #fff;
    padding: 20px;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.vertical-nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
    width: 100%;
}

.vertical-nav ul li {
    margin: 10px 0;
    width: 100%;
}

.vertical-nav a {
    color: #fff;
    text-decoration: none;
    padding: 12px 15px;
    display: block;
    width: 100%;
    border-radius: 6px;
    transition: background-color 0.3s;
}

.vertical-nav a:hover {
    background-color: #333;
    color: #0077cc;
}

/* Container */
.container { 
    width: 100%;
    max-width: 1200px; 
    margin: 0 auto;
    padding: 20px;
    background: #fff;
    box-shadow: 0 4px 24px rgba(0,0,0,0.08);
    border-radius: 12px;
    flex: 1;
}

/* Typography */
h1, h2 { 
    color: #2c3e50; 
}

/* Flash messages */
.flash { 
    padding: 10px 15px; 
    border-radius: 4px; 
    margin-bottom: 20px; 
}

.flash.success { 
    background-color: #d4edda; 
    color: #155724; 
    border: 1px solid #c3e6cb;
}

.flash.danger { 
    background-color: #f8d7da; 
    color: #721c24; 
    border: 1px solid #f5c6cb;
}

/* Forms */
form {
    background-color: white;
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    max-width: 500px;
    margin: 0 auto;
}

form div {
    margin-bottom: 15px;
}

input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
textarea,
select {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    box-sizing: border-box;
}

.btn-primary {
    background-color: #0077cc;
    color: white;
    border: none;
    padding: 10px 15px;
    border-radius: 4px;
    cursor: pointer;
}

.btn-primary:hover {
    background-color: #005fa3;
}

/* Additional form styling */
.form-group {
    margin-bottom: 20px;
}

form textarea {
    resize: vertical;
}

.form-control-file {
    margin: 10px 0;
    display: block;
}

.btn, form button, input[type="submit"] { 
    padding: 10px 20px; 
    border-radius: 5px; 
    border: none; 
    background: #0077cc; 
    color: #fff; 
    font-weight: 500; 
    cursor: pointer;
    font-size: 1rem;
    transition: background 0.2s;
}

.btn:hover, form button:hover, input[type="submit"]:hover { 
    background: #005fa3; 
}

.error-message {
    color: #dc3545;
    font-size: 0.9rem;
    margin-top: 5px;
}

.error-message span {
    display: block;
    margin-bottom: 3px;
}

/* Error messages */
.errors {
    color: #721c24;
    background-color: #f8d7da;
    border: 1px solid #f5c6cb;
    border-radius: 4px;
    padding: 5px 10px;
    margin-top: 5px;
    list-style-type: none;
}

/* Search form styling */
.search-container {
    margin: 10px 0;
    display: flex;
}

.search-container.top-left {
    justify-content: flex-start;
    margin-top: 20px;
}

.search-form {
    display: flex;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    border-radius: 8px;
    overflow: hidden;
}

.search-input {
    flex: 1;
    padding: 12px 15px !important;
    border: none !important;
    margin: 0 !important;
    font-size: 1rem;
    width: auto !important;
}

.search-button {
    padding: 12px 25px !important;
    border-radius: 0 !important;
    margin: 0;
    font-size: 1rem;
}

/* Pagination styling */
.pagination {
    display: flex;
    justify-content: center;
    margin: 30px 0;
    flex-wrap: wrap;
}

.page-link, .current-page, .ellipsis {
    margin: 0 5px;
    padding: 8px 15px;
    border-radius: 4px;
    display: inline-block;
}

.page-link {
    background: #f0f0f0;
    color: #333;
    text-decoration: none;
    transition: background 0.2s;
}

.page-link:hover {
    background: #e0e0e0;
}

.current-page {
    background: #0077cc;
    color: white;
    font-weight: bold;
}

.ellipsis {
    color: #666;
}

/* Footer */
.site-footer {
    background-color: #222;
    color: #fff;
    padding: 20px 0;
    margin-top: 40px;
    width: 100%;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.footer-info {
    text-align: center;
    width: 100%;
}

.footer-info p {
    margin: 5px 0;
}

.version-info {
    font-size: 0.8rem;
    color: #aaa;
}

.db-status {
    color: #4CAF50;
    font-weight: 500;
}

/* Responsive styles */
@media (max-width: 768px) {
    .container {
        width: 95%;
        padding: 20px 15px;
        margin: 15px auto;
    }
    
    nav {
        flex-direction: column;
        padding: 12px;
    }
    
    .nav-links {
        margin-bottom: 10px;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    nav a {
        margin: 5px 10px;
    }
    
    .user-email {
        text-align: center;
        margin-top: 5px;
    }
    
    .content-wrapper {
        flex-direction: column;
    }
    
    .sidebar {
        width: 100%;
        margin-bottom: 20px;
    }
    
    .search-container.top-left {
        width: 100%;
        justify-content: center;
        margin-top: 15px;
    }
    
    .search-form {
        max-width: 100%;
    }
    
    form {
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    .pagination {
        gap: 5px;
    }
    
    .page-link, .current-page, .ellipsis {
        margin: 3px;
        padding: 6px 12px;
        font-size: 0.9rem;
    }
}