body {
    margin: 0;
    background: var(--bg);
    color: var(--text);
    font-family: Arial, sans-serif;
    transition: background var(--transition-speed), color var(--transition-speed);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-size: 16px;
}
h1, h2, h3, h4, h5, h6 {
    font-size: 16px;
}

/* Layout */
#frame-layout {
    display: flex;
    align-items: stretch; /* ✅ key */
}


/* Sidebar */
#sidebar {
    background: var(--sidebar-bg);
    color: var(--sidebar-text);
    width: fit-content; /* ✅ content-based width */
    min-width: 180px; /* ✅ prevents too narrow */
    max-width: 320px; /* ✅ prevents runaway width */
    opacity: 1;
    overflow: hidden;
    transition: width 0.3s ease, transform 0.3s ease;
    padding: 0px;
    border-right: solid 1px var(--ui-border);
}

    /* Hide sidebar */
    #sidebar.hidden {
        width: 0 !important; /* collapse width */
        min-width: 0 !important; /* override constraint */
        max-width: 0 !important; /* override constraint */
        transform: translateX(-100%);
        opacity: 0;
        padding: 0 !important;
    }

/* Main */
#main {
    flex: 1;
    margin-left: 0;
    transition: margin-left 0.3s ease;
}

/* When sidebar is visible */
#frame-layout:not(.collapsed) #main {
    margin-left: 0;
}

/* When sidebar hidden */
#frame-layout.collapsed #main {
    margin-left: 0;
}

/* Overlay (hidden by default) */
#overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.4);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
}

    /* When active */
    #overlay.active {
        opacity: 1;
        pointer-events: all;
    }

/* ===== MOBILE ===== */
@media (max-width: 768px) {

    /* Sidebar becomes overlay */
    #sidebar {
        position: fixed;
        top: 0;
        left: 0;
        height: 100vh;
        transform: translateX(-100%);
        z-index: 1000;
        width: 80%; /* ✅ override for usability */
        max-width: 300px;
    }

        /* Show sidebar */
        #sidebar.mobile-open {
            transform: translateX(0);
        }

    /* Content should NOT shift */
    #main,
    #frame-layout.collapsed #main {
        margin-left: 0;
    }
}



/* Sidebar header layout */
.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: .6rem;
    height: 42px;
}


.nav-links {
    white-space: nowrap;
}

.app-header {
    display: flex;
    align-items: center;
    gap: .5rem;
    padding: .6rem;
    background: var(--sidebar-bg);
    overflow: visible;
    height: 42px;
}

.theme-menu {
    position: relative;
    /*margin-left: auto;*/
    overflow: visible;
    display: flex;
    align-content: center;
}

.account-menu {
    position: relative;
    margin-left: auto;
    overflow: visible;
}

.theme-button {
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    border-radius: 6px;
    padding: 0.35rem 0.4rem 0.4rem .35rem;
    color: var(--text);
    display: flex;
    align-items: center;
    justify-content: center;
}

    .theme-button:hover {
        background: var(--breadcrumb-hover-bg);
    }

    .theme-button.arrow {
        padding-right: 20px;
    }
.theme-dropdown {
    position: absolute;
    right: 0;
    top: 102%;
    background: var(--bg);
    border: 1px solid var(--input-border);
    border-radius: 6px;
    display: none;
    flex-direction: column;
    z-index: 2000;
    opacity: 0;
    transform: translateY(-10px);
    max-height: 0;
    overflow: hidden;
    pointer-events: none;
    transition: opacity 0.25s ease, transform 0.25s ease, max-height 0.25s ease;
}

    .theme-dropdown.left {
        left: 0;
        right: auto;
    }

    .theme-dropdown.open {
        opacity: 1;
        transform: translateY(0);
        max-height: 100vh;
        pointer-events: auto;
        /*overflow: auto;*/
        overflow-y: auto;
        overflow-x: hidden;
    }

    .theme-dropdown button {
        background: var(--menu-item-bg);
        border: none;
        padding: 0.3rem .5rem;
        text-align: left;
        cursor: pointer;
        color: var(--menu-item-text);
        width: 100%;
    }

        .theme-dropdown button:hover {
            background: var(--menu-item-bgh);
        }

    .theme-dropdown.open {
        display: flex;
    }

.nav-links {
    list-style: none;
    padding: 0px;
    margin: 0px;
}

    .nav-links li {
        margin: 0 0;
        transition: transform 0.25s ease;
        border-left: 4px solid transparent;
    }

    .nav-links a,
    .nav-links a:link,
    .nav-links a:visited,
    .nav-links a:active {
        display: flex;
        white-space: nowrap;
        align-items: center;
        color: var(--sidebar-text);
        text-decoration: none;
        position: relative;
        padding: 10px 12px 10px 7px;
        transition: transform 0.25s ease;
    }

    .nav-links li:hover {
        background: var(--menu-item-bgh);
        /*border-left: 4px solid transparent;*/
        /* transform: translateX(3px); */
    }

    .nav-links a:hover img {
        /*background: var(--menu-item-bgh);*/
        /*border-left: 4px solid transparent;*/
        transform: translateX(3px);
    }

.nav-links-left-color:hover {
    border-left: 4px solid var(--primaryButtonBgHover);
}

.nav-links-left-color.selected {
    background: var(--menu-item-bgh);
    border-left: 4px solid var(--primaryButtonBgHover);
}

.nav-links i {
    font-size: 1.4rem;
    width: 24px;
    text-align: center;
}

.nav-links img {
    width: 24px;
    margin-right: 10px;
    transition: transform 0.25s ease;
}

.nav-links a .tooltip {
    position: absolute;
    left: calc(24px + 20px);
    background: var(--tooltip-bg);
    color: var(--tooltip-text);
    padding: 6px 10px;
    border-radius: 4px;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transform: translateY(-50%);
    top: 50%;
    transition: opacity 0.2s;
}

.nav-link {
    background: var(--menu-item-bg);
    border: none;
    border-bottom: 1px solid var(--menu-item-text);
    border-left: 4px solid transparent;
    padding: 0.3rem .5rem;
    text-align: left;
    cursor: pointer;
    color: var(--menu-item-text);
    width: 100%;
}

    .nav-link:hover {
        background: var(--menu-item-bgh);
        border-left: 4px solid transparent;
    }

    .nav-link.leftcolor:hover {
        border-left: 4px solid transparent;
    }



.logo {
    width: 16px;
    vertical-align: middle;
    margin-right: 4px;
}