/* Basic Reset and Variables */
:root {
    --primary-color: #007bff;
    --secondary-color: #343a40;
    --sidebar-width: 250px;
    --light-bg: #f8f9fa;
    --white: #ffffff;
    --dark-text: #212529;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: sans-serif;
    background-color: var(--light-bg);
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
    
    
}

/* --- 1. Top Menu/Header Styles --- */

.dashboard-container {
    display: flex;
    flex-direction: column; /* Stacks header on top of content-wrapper */
    height: 100vh;
}

.top-menu {
    background-color: var(--secondary-color);
    color: var(--white);
    padding: 10px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    z-index: 10; /* Keep it above other elements */
}

.logo {
    font-size: 1.5em;
    font-weight: bold;
    color: var(--primary-color);
}

.main-nav > ul {
    display: flex;
}

.nav-item {
    position: relative;
    padding: 3px 30px;
    cursor: pointer;
    
}

.nav-item a {
    padding: 10px 0;
    display: block;
    
}

.nav-item:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

/* Submenu for Top Menu (Hidden by default) */
.submenu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--secondary-color);
    min-width: 150px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    z-index: 11;
    padding: 5px 0;
}

.submenu li a {
    padding: 8px 15px;
}

.submenu li:hover {
    background-color: var(--primary-color);
}

/* Show submenu on hover */
.has-submenu:hover > .submenu {
    display: block;
}

/* --- 2. Main Layout (Sidebar + Content) Styles --- */

.content-wrapper {
    display: flex; /* This creates the Sidebar and Main Content layout */
    flex: 1; /* Makes the wrapper take up remaining vertical space */
    overflow: hidden; /* Important for scrollable content */
}

/* Project Explorer (Left Sidebar) */
.project-explorer {
    width: var(--sidebar-width);
    background-color: var(--white);
    padding: 20px 15px;
    border-right: 1px solid #ddd;
    overflow-y: auto; /* Allow scrolling if explorer is too long */
    flex-shrink: 0; /* Prevents sidebar from shrinking */
}

.project-explorer h3 {
    color: var(--primary-color);
    margin-bottom: 15px;
    font-size: 1.1em;
}

.explorer-list li a,
.explorer-sub-list li a {
    display: block;
    padding: 8px 10px;
    border-radius: 4px;
    color: var(--dark-text);
}

.explorer-list li a:hover,
.explorer-sub-list li a:hover {
    background-color: #e9ecef;
    color: var(--primary-color);
}

.explorer-sub-list {
    padding-left: 20px;
    border-left: 2px solid #ccc;
    margin: 5px 0 10px 0;
}

.explorer-item-open > a {
    font-weight: bold;
    color: var(--primary-color);
}

/* Main Content Area */
.main-content {
    flex-grow: 1; /* Takes up all remaining space */
    padding: 20px;
    overflow-y: auto; /* Allows content to scroll */
}

.main-content h2 {
    margin-bottom: 15px;
    color: var(--secondary-color);
}

.card {
    background-color: var(--white);
    border: 1px solid #dee2e6;
    border-radius: 6px;
    padding: 15px;
    margin-top: 15px;
    box-shadow: 0 0.125rem 0.25rem rgba(0, 0, 0, 0.075);
    display: inline-block; /* Simple example layout */
    margin-right: 15px;
}