/* ==========================================================================
   1. CORE SITE LAYOUT (Side-by-Side Flex System)
   ========================================================================== */
body {
    background-color: var(--color-bg-primary);
    color: var(--color-text-primary);
    display: flex; /* 🌟 CRITICAL: Places sidebar and main content side-by-side */
    margin: 0; /* Removes default browser border gaps */
    min-height: 100vh;
    font-family: sans-serif;
}

.sidebar-nav {
    transition: 0.4s;
}
.menu-item {
    transition: 0.4s;
}
/* Forces the injected sidebar wrapper to respect the layout layout math */
#UIContainer {
    display: flex;
    flex-shrink: 0;
}

/* 🌟 CRITICAL: Gives your home content its own non-overlapping viewport space */
#main-body {
    flex-grow: 1;
    padding: 40px;
    box-sizing: border-box;
    overflow-y: auto; /* Allows main content to scroll independently */
    height: 100vh;
}
    #main-body::-webkit-scrollbar {
        display: none;
    }


/* ==========================================================================
   2. SIDEBAR STRUCTURE & NAVIGATION
   ========================================================================== */

.sidebar-top {
    height: 100px;
}



aside {
    height: 100vh;
    background-color: var(--color-bg-sidebar);
    border-right: 2px solid var(--color-border-hr);
    width: 100px; /* Using explicit width rule over max-width */
    flex-shrink: 0;
    transition: var(--sidebar-change-transition-time);
}

    aside.open {
        transition: var(--sidebar-change-transition-time);
        width: 400px; /* Expands cleanly when toggled */
    }

    aside div {
        position: relative;
        padding: 10px;
        border-bottom: 2px solid var(--color-border-hr);
        height: 80px;
        box-sizing: border-box;
    }

nav {
    transition: var(--sidebar-change-transition-time);
    max-width: 100px;
    height: calc(100vh - 80px); /* Fills screen height minus logo block */
    overflow-y: auto;
    padding-bottom: 30px;
}

    nav::-webkit-scrollbar {
        display: none;
    }

    nav.open {
        transition: var(--sidebar-change-transition-time);
        max-width: 400px;
    }

/* ==========================================================================
   3. LOGO & SIDEBAR TOGGLE BUTTON
   ========================================================================== */
.logo {
    height: 70px;
    opacity: 0;
    transition: var(--sidebar-change-transition-time);
}

    .logo.open {
        transition: var(--sidebar-change-transition-time);
        opacity: 1;
    }

.sidebar-button {
    all: unset;
    transition: var(--sidebar-change-transition-time);
    align-items: center;
    border-radius: 10px;
    background-color: var(--color-bg-secondary);
    box-sizing: border-box;
    position: absolute;
    top: 15px;
    right: 15px;
    height: 65px;
}

    .sidebar-button:hover {
        cursor: pointer;
    }

    .sidebar-button span {
        transition: var(--sidebar-change-transition-time);
    }

    .sidebar-button.open span {
        transition: var(--sidebar-change-transition-time);
        transform: rotate(180deg); /* 🌟 Standard rotation layout syntax */
    }

/* ==========================================================================
   4. SIDEBAR SELECTIONS / CHOICES
   ========================================================================== */
choice {
    transition: var(--choice-hover-transition-time);
    display: inline-flex;
    align-items: center;
    border-radius: 10px;
    background-color: var(--color-bg-secondary);
    box-sizing: border-box;
    margin: 10px 0 0 10px;
    padding: 5px;
    width: 80px; /* Closed default menu item box size */
}

    choice.open {
        transition: var(--sidebar-change-transition-time);
        width: 350px; /* Open item width size */
    }

    choice p {
        all: unset;
        flex: 1;
        overflow: hidden;
        white-space: nowrap;
        transition: var(--sidebar-change-transition-time);
    }

    choice.open p {
        transition: var(--sidebar-change-transition-time);
    }

    choice span {
        margin-right: 10px; /* Space balance between icon and links text */
    }

    choice img {
        width: var(--choice-icon-size);
        height: var(--choice-icon-size);
        margin-right: 4px;
    }

    choice:hover {
        transition: var(--choice-hover-transition-time);
        background-color: var(--color-hover-primary);
        color: white;
        cursor: pointer;
        transform: scale(1.05); /* 🌟 FIX: Uses uniform transform style mapping */
    }

/* ==========================================================================
   5. UTILITY & DYNAMIC INTERFACE ELEMENTS
   ========================================================================== */
/* 🌟 FIX: Corrected typo selector from 'body updated' to a real CSS target */
body .updated {
    position: absolute;
    width: 20px;
    height: 20px;
    background-color: transparent;
    right: 20px;
    top: 20px;
}

#updateContainer {
    border-radius: 10px;
    background-color: var(--color-bg-secondary);
    font-size: 18px;
    font-weight: 700;
    width: auto;
    height: auto;
    padding: 5px 10px;
    position: absolute; /* Floats elegantly in the top-right page corner */
    right: 20px;
    top: 10px;
    z-index: 200; /* Locks it cleanly over scrolling main elements */
}

.material-symbols-rounded {
    display: inline-block;
    font-size: var(--choice-icon-size) !important;
    font-variation-settings: 'OPSZ' var(--choice-icon-size);
    width: var(--choice-icon-size);
    height: var(--choice-icon-size);
}

#main-body h1.Title.open {
    transition: var(--sidebar-change-transition-time);
    position: fixed;
    top: 0;
    left: 450px;
}

#main-body h1.Title {
    transition: var(--sidebar-change-transition-time);
    position: fixed;
    top: 0;
    left: 150px;
}