/* 2003 Old Steam / VGUI2 Web Palette */
:root {
    --bg-dark: #2e3626;         /* Deep background */
    --panel-color: #4b5541;     /* Main container green */
    --panel-border: #758461;    /* Lighter border outline */
    --text-main: #afbd9f;       /* Standard VGUI text color */
    --text-bright: #ffffff;     /* Bright text for headings */
    --highlight: #e9ab17;       /* GoldSource classic orange */
}

* {
    box-sizing: border-box;
}

body {
    background-color: var(--bg-dark);
    background-image: linear-gradient(to bottom, #2e3626, #1c2216); /* Subtle gradient like old Steam menus */
    color: var(--text-main);
    font-family: Tahoma, Verdana, Arial, sans-serif;
    font-size: 14px;
    margin: 0;
    padding: 0;
    line-height: 1.6;
}

.page-wrapper {
    max-width: 960px;
    margin: 40px auto;
    background-color: var(--panel-color);
    border: 2px solid var(--panel-border);
    box-shadow: 0px 8px 24px rgba(0,0,0,0.8);
}

/* Header Banner */
.main-header {
    background-color: #384030;
    padding: 40px 30px;
    border-bottom: 2px solid var(--panel-border);
    text-align: center;
}

.main-header h1 {
    margin: 0;
    font-size: 38px;
    color: var(--text-bright);
    font-weight: bold;
    letter-spacing: 1px;
}

.main-header p {
    margin: 10px 0 0 0;
    font-size: 16px;
    color: var(--text-main);
}

.highlight {
    color: var(--highlight);
}

/* Navigation Menu */
.main-nav {
    display: flex;
    background-color: #21271b;
    border-bottom: 2px solid var(--panel-border);
}

.main-nav a {
    flex: 1;
    text-align: center;
    padding: 14px 20px;
    color: var(--text-main);
    text-decoration: none;
    font-weight: bold;
    font-size: 15px;
    border-right: 1px solid #384030;
    transition: background-color 0.1s;
}

.main-nav a:last-child {
    border-right: none;
}

.main-nav a:hover {
    background-color: #384030;
    color: var(--text-bright);
}

.main-nav a.active {
    background-color: var(--panel-color);
    color: var(--highlight);
    border-bottom: 3px solid var(--highlight);
}

/* Content Area */
.content-container {
    padding: 30px;
}

h2 {
    color: var(--highlight);
    border-bottom: 1px solid #758461;
    padding-bottom: 8px;
    margin-top: 0;
}

.intro-box {
    font-size: 15px;
    background-color: #384030;
    padding: 20px 25px;
    border: 1px solid var(--panel-border);
}

/* Footer */
footer {
    background-color: #21271b;
    color: #758461;
    text-align: center;
    padding: 15px;
    font-size: 12px;
    border-top: 1px solid var(--panel-border);
}

/* Credits Page Specifics */
.hover-name {
    color: var(--text-bright);
    text-decoration: underline dotted var(--panel-border);
    cursor: help;
    font-weight: bold;
}

.credit-link {
    color: var(--highlight);
    text-decoration: none;
    font-weight: bold;
}

.credit-link:hover {
    color: var(--text-bright);
    text-decoration: underline;
}

.credit-divider {
    border: 0;
    border-top: 1px solid var(--panel-border);
    margin: 30px 0 20px 0;
}

.dedication {
    text-align: center;
    font-style: italic;
    color: var(--text-bright);
    font-size: 15px;
    letter-spacing: 0.5px;
}

/* Logo Header Styling */
.header-logo {
    width: 100%;
    max-width: 500px;
    height: auto;
    display: block;
    margin: 0 auto 15px auto;
}

/* Update / Accordion Styling */
.update-block {
    margin-top: 15px;
    background-color: #2e3626;
    border: 1px solid var(--panel-border);
}

.update-header {
    background-color: #21271b;
    color: var(--highlight);
    font-size: 16px;
    font-weight: bold;
    padding: 10px 15px;
    cursor: pointer;
    list-style: none; /* Hides default triangle in most browsers */
    user-select: none;
    border-bottom: 1px solid var(--bg-dark);
}

/* Hide default triangle in Webkit (Chrome/Edge/Safari) */
.update-header::-webkit-details-marker {
    display: none;
}

.update-header:hover {
    background-color: #384030;
    color: var(--text-bright);
}

.update-header::before {
    content: "[+] ";
    color: var(--text-main);
    font-family: monospace;
    font-weight: normal;
    margin-right: 5px;
}

details[open] > .update-header::before {
    content: "[-] ";
}

details:not([open]) .update-header {
    border-bottom: none;
}

.update-content {
    padding: 15px 25px 5px 15px;
}

.update-content ul {
    margin-top: 0;
}

.update-content ul li {
    margin-bottom: 8px;
    line-height: 1.5;
}
/* Big Download Button Styling */
.big-download-btn {
    display: inline-block;
    background-color: var(--panel-color);
    color: var(--highlight);
    font-size: 18px;
    font-weight: bold;
    padding: 18px 35px;
    text-decoration: none;
    border-top: 2px solid var(--panel-border);
    border-left: 2px solid var(--panel-border);
    border-bottom: 2px solid var(--bg-dark);
    border-right: 2px solid var(--bg-dark);
    box-shadow: 0px 4px 15px rgba(0,0,0,0.6);
}

.big-download-btn:hover {
    background-color: #55604b;
    color: var(--text-bright);
    border-top: 2px solid var(--text-bright);
    border-left: 2px solid var(--text-bright);
    cursor: pointer;
}

.big-download-btn:active {
    border-top: 2px solid var(--bg-dark);
    border-left: 2px solid var(--bg-dark);
    border-bottom: 2px solid var(--panel-border);
    border-right: 2px solid var(--panel-border);
    background-color: var(--bg-dark);
    color: var(--highlight);
    box-shadow: inset 0px 4px 10px rgba(0,0,0,0.8);
}