/* --- VARIABLES & THEME --- */
:root {
    --main-bg-color: #f8f9fa;
    --main-text-color: #212529;
    --card-bg: #ffffff;
    --card-border: #dee2e6;
    --sidebar-bg: linear-gradient(180deg, #1d2b4b 0%, #1a253c 100%);
    --sidebar-text: rgba(255, 255, 255, 0.75);
    --sidebar-text-hover: #ffffff;
    --sidebar-active-bg: rgba(13, 110, 253, 0.1);
    --sidebar-active-border: #0d6efd;
    --sidebar-hover-bg: rgba(255, 255, 255, 0.05);
}

[data-bs-theme="dark"] {
    --main-bg-color: #121212;
    --main-text-color: #e1e1e1;
    --card-bg: #1e1e1e;
    --card-border: #444;
    --sidebar-bg: linear-gradient(180deg, #1c1c1c 0%, #000000 100%);
    --sidebar-text: rgba(255, 255, 255, 0.6);
    --sidebar-hover-bg: rgba(255, 255, 255, 0.1);
    --sidebar-active-bg: rgba(13, 110, 253, 0.2);
}

/* --- GENERAL STYLES --- */
body {
    font-family: 'Cairo', sans-serif;
    overflow-x: hidden;
    background-color: var(--main-bg-color);
    color: var(--main-text-color);
    transition: background-color 0.3s ease, color 0.3s ease;
}

.card {
    background-color: var(--card-bg);
    border-color: var(--card-border);
}

/* --- LAYOUT WRAPPER --- */
#wrapper {
    display: flex;
    transition: all 0.4s ease;
}

#sidebar-wrapper {
    background-image: var(--sidebar-bg);
    min-height: 100vh;
    width: 260px;
    transition: margin 0.4s ease-in-out;
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.2);
    z-index: 1000;
}

#wrapper.toggled #sidebar-wrapper {
    margin-right: -260px;
}

[dir="ltr"] #wrapper.toggled #sidebar-wrapper {
    margin-left: -260px;
    margin-right: 0;
}


#page-content-wrapper {
    flex-grow: 1;
    width: calc(100% - 260px);
}

/* --- SIDEBAR STYLES --- */
.sidebar-heading {
    color: #fff;
    font-weight: 700;
    letter-spacing: .5px;
}

.sidebar .list-group-item {
    background: transparent;
    border: none;
    padding: 0;
}

.sidebar .nav-link {
    color: var(--sidebar-text);
    padding: 0.9rem 1.25rem;
    display: flex;
    align-items: center;
    text-decoration: none;
    transition: all 0.2s ease-in-out;
    border-right: 4px solid transparent; /* For active state in RTL */
    margin: 0.1rem 0;
}

[dir="ltr"] .sidebar .nav-link {
    border-right: none;
    border-left: 4px solid transparent;
}

.sidebar .nav-link:hover {
    background-color: var(--sidebar-hover-bg);
    color: var(--sidebar-text-hover);
    transform: translateX(-5px); /* Subtle hover animation */
}

[dir="ltr"] .sidebar .nav-link:hover {
    transform: translateX(5px);
}

.sidebar .nav-link.active {
    background-color: var(--sidebar-active-bg);
    color: var(--sidebar-text-hover);
    font-weight: 700;
    border-right-color: var(--sidebar-active-border);
}

[dir="ltr"] .sidebar .nav-link.active {
    border-right-color: transparent;
    border-left-color: var(--sidebar-active-border);
}

.sidebar .nav-link i {
    width: 30px;
    font-size: 1.1rem;
    text-align: center;
}

/* Main and Sub-menu font sizes */
.sidebar .nav-link > span {
    font-size: 1rem; /* Main item font size */
    font-weight: 600;
}

.sidebar .sub-menu .nav-link > span {
    font-size: 0.9rem; /* Sub-menu item font size */
    font-weight: normal;
}


/* Accordion Styles */
.sidebar .accordion-button {
    padding: 0.9rem 1.25rem;
    background-color: transparent !important;
    box-shadow: none !important;
}

    .sidebar .accordion-button::after {
        margin-right: auto;
        margin-left: 0;
        transition: transform 0.3s ease;
    }

[dir="ltr"] .sidebar .accordion-button::after {
    margin-left: auto;
    margin-right: 0;
}

.sidebar .sub-menu {
    padding-right: 1.5rem;
    background-color: rgba(0,0,0,0.2);
}

[dir="ltr"] .sidebar .sub-menu {
    padding-right: 0;
    padding-left: 1.5rem;
}

.sidebar .sub-menu .nav-link {
    padding: 0.75rem 1.25rem;
    padding-right: 1rem;
}

[dir="ltr"] .sidebar .sub-menu .nav-link {
    padding-right: 1.25rem;
    padding-left: 1rem;
}


/* --- MAIN CONTENT STYLES --- */
#page-content-wrapper .navbar {
    border-bottom: 1px solid var(--card-border);
}

#menu-toggle {
    cursor: pointer;
}
@media print {
    body * {
        visibility: hidden;
    }

    .printable-receipt, .printable-receipt * {
        visibility: visible;
    }

    .printable-receipt {
        position: absolute;
        left: 0;
        top: 0;
        width: 100%;
    }
}