/* ===== ROCKUTILITY SITE SHELL ===== */

* {
    box-sizing: border-box;
}

html,
body {
    height: 100%;
    margin: 0;
    padding: 0;
}

body {
    font-family: Arial, Helvetica, sans-serif;
    background: #dcdcdc;
    color: #222;
}


/* ===== MAIN LAYOUT ===== */

.layout {
    display: grid;
    grid-template-columns: 260px minmax(0, 1fr) 280px;
    height: 100vh;
}


/* ===== LEFT SIDEBAR ===== */

.sidebar {
    background: #f5f5f5;
    padding: 20px;
    border-right: 2px solid #ccc;
    overflow-y: auto;
}

.sidebar h1 {
    font-size: 28px;
    margin: 0 0 10px 0;
}

.sidebar p {
    font-size: 14px;
    color: #555;
    margin: 0 0 18px 0;
}

.sidebar h2 {
    font-size: 20px;
    margin: 20px 0 10px 0;
    border-bottom: 2px solid #222;
    padding-bottom: 4px;
}


/* ===== CLEAR TOOL BUTTON ===== */

.clear-tool-button {
    width: 100%;
    padding: 8px 10px;
    margin-bottom: 8px;
    font-size: 14px;
    font-weight: bold;
    background: #e6e6e6;
    color: #111;
    border: 1px solid #888;
    cursor: pointer;
}

.clear-tool-button:hover {
    background: #d7d7d7;
}


/* ===== EXPANDABLE CATEGORIES ===== */

details {
    margin-bottom: 15px;
}

summary {
    font-size: 18px;
    font-weight: bold;
    cursor: pointer;
    padding: 4px 0;
}

details ul {
    margin-top: 10px;
    padding-left: 15px;
}


/* ===== TOOL LIST ===== */

.tool-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.tool-list li {
    margin: 8px 0;
}

.tool-list a {
    text-decoration: none;
    font-size: 16px;
    color: #0066cc;
}

.tool-list a:hover {
    text-decoration: underline;
}


/* ===== CENTER TOOL AREA ===== */

.tool-area {
    min-width: 0;
    padding: 20px;
    overflow: hidden;
    background: #dcdcdc;
}

#toolFrame {
    display: block;
    width: 100%;
    height: 100%;
    border: none;
    background: #fff;
}


/* ===== RIGHT RAIL ===== */

.right-rail {
    background: #f5f5f5;
    border-left: 2px solid #ccc;
    padding: 20px;
    overflow-y: auto;
}

.right-rail-box {
    background: #fff;
    border: 1px solid #aaa;
    padding: 14px;
    margin-bottom: 16px;
    font-size: 14px;
}

.right-rail-box strong {
    display: block;
    margin-bottom: 8px;
    font-size: 16px;
}

.right-rail-box p {
    margin: 0;
    color: #555;
    line-height: 1.4;
}

.future-space {
    min-height: 220px;
}


/* ===== SMALLER SCREENS ===== */

@media (max-width: 1100px) {

    .layout {
        grid-template-columns: 240px minmax(0, 1fr);
    }

    .right-rail {
        display: none;
    }
}


/* ===== MOBILE ===== */

@media (max-width: 700px) {

    html,
    body {
        height: auto;
    }

    .layout {
        display: block;
        height: auto;
    }

    .sidebar {
        width: 100%;
        border-right: 0;
        border-bottom: 2px solid #ccc;
    }

    .tool-area {
        padding: 10px;
        height: 80vh;
    }

    #toolFrame {
        min-height: 700px;
    }

    .right-rail {
        display: none;
    }
}