/* ====== Base Styles ====== */
html {
    font-size: 14px;
}

@media (min-width: 375px) {
    html {
        font-size: 16px;
    }
}

body {
    margin: 0;
    padding: 0;
    overflow-x: hidden;
    --background-color: #1a1a1a;
    color: #e0e0e0;
    min-height: 90vh;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

/* ====== Accessibility ====== */
.btn:focus, .btn:active:focus, .btn-link.nav-link:focus,
.form-control:focus, .form-check-input:focus {
    box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem #258cfb;
}

/* ====== Utility Classes ====== */
.noborder {
    border: none;
}

.select-text-center {
    text-align-last: center;
    -webkit-appearance: none;
    text-align: center;
}

/* ====== Topbar ====== */
.topbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 60px;
    background-color: #212327;
    display: flex;
    align-items: center;
    padding: 0 1rem;
    z-index: 1030;
    border-bottom: 1px solid #333;
    box-shadow: 0 2px 10px rgba(100, 100, 200, 0.2);
}

.topbar-title {
    position: absolute;
    left: 0;
    right: 0;
    text-align: center;
    color: white;
    font-weight: bold;
    font-size: 1.2rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    z-index: 1;
    padding: 0 60px;
    margin: 0 auto;
    pointer-events: none;
}

/* ====== Menu Toggle (Logo Button) ====== */
.menu-toggle {
    position: absolute;
    left: 0;
    width: 60px;
    height: 60px;
    border-radius: 0 0 35% 0;
    overflow: hidden;
    background: none;
    border: 1px solid #444;
    padding: 0;
    cursor: pointer;
    z-index: 500;
    transition: transform 0.2s ease;
    box-shadow: 0 2px 10px rgba(200, 200, 250, 0.4);
}

.menu-toggle:hover {
    transform: scale(1.2);
}

.menu-toggle img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ====== Sidebar Overlay ====== */
.sidebar-overlay {
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1040;
    display: none;
    backdrop-filter: blur(3px);
}

/* ====== Sidebar Panel ====== */
.sidebar {
    width: 270px;
    background-color: #1e1e1e;
    position: fixed;
    top: 0;
    left: -270px;
    height: 100vh;
    overflow-y: auto;
    transition: left 0.3s ease-in-out;
    z-index: 1050;
    box-shadow: 2px 0 10px rgba(0, 0, 0, 0.3);
}

.sidebar.show {
    left: 0;
}

.sidebar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background-color: #121212;
    position: sticky;
    top: 0;
    z-index: 10;
}

.sidebar-content {
    padding-top: 0;
    height: calc(100vh - 60px);
    overflow-y: auto;
}

/* ====== Navigation ====== */
.nav-link, .submenu-toggle {
    font-size: 0.95rem;
    color: #ccc;
    padding: 0.75rem 1.5rem 0.75rem 1.25rem;
    display: flex;
    align-items: center;
    cursor: pointer;
    transition: all 0.2s ease;
    gap: 0.75rem;
}

.nav-link:hover, .submenu-toggle:hover {
    background-color: #333;
    color: white;
    padding-left: 1.5rem;
}

.nav-link i, .submenu-toggle i {
    width: 20px;
    text-align: left;
    font-size: 1rem;
}

.nav-link.submenu-toggle.active {
    padding-left: 1.5rem;
}

.submenu-toggle {
    justify-content: space-between;
}

.submenu-toggle span:last-child {
    transition: transform 0.2s ease;
    margin-left: auto;
}

.submenu-toggle.active {
    background-color: #333;
    color: white;
}

.submenu-toggle.active:hover {
    background-color: #444;
}

/* ====== Submenu ====== */
.submenu {
    display: none;
    flex-direction: column;
    background-color: #181818;
    padding-left: 0.5rem;
}

.submenu.show {
    display: flex;
}

.submenu .nav-link {
    padding: 0.6rem 1rem 0.6rem 2.25rem;
    font-size: 0.9rem;
    gap: 0.65rem;
}

.submenu .nav-link i {
    width: 18px;
    font-size: 0.9rem;
}

/* ====== Nested Submenu Styles ====== */
/* Nested submenu toggles (inside a submenu) */
.submenu .submenu-toggle {
    background-color: #252525;
    padding: 0.7rem 1rem 0.7rem 2rem;
    font-size: 0.9rem;
    font-weight: 500;
    border-left: 3px solid #444;
}

.submenu .submenu-toggle:hover {
    background-color: #2d2d2d;
    border-left-color: #666;
}

.submenu .submenu-toggle.active {
    background-color: #2d2d2d;
    border-left-color: #007bff;
}

/* Nested submenu items (items inside nested submenus) */
.submenu .submenu {
    background-color: #151515;
    padding-left: 0.75rem;
    border-left: 2px solid #333;
    margin-left: 0.5rem;
}

.submenu .submenu .nav-link {
    padding: 0.55rem 1rem 0.55rem 2.5rem;
    background-color: #1a1a1a;
    font-size: 0.85rem;
}

.submenu .submenu .nav-link:hover {
    background-color: #242424;
    padding-left: 2.75rem;
}

.nav-divider {
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    margin: 0;
}

/* ====== User Section ====== */
.user-section {
    padding: 0;
    color: #bbb;
    border-top: 1px solid #333;
    background-color: #1a1a1a;
    position: sticky;
    bottom: 0;
}

.user-section a {
    color: #bbb;
    transition: color 0.2s ease;
}

.user-section a:hover {
    color: white;
    text-decoration: none;
}

.user-section .btn-link:hover {
    opacity: 0.8;
}

/* ====== Main Content ====== */
.main-content {
    padding: 0rem;
    margin-top: 0;
    min-height: calc(100vh - 120px);
}

/* ====== Global Alerts Animations ====== */
/* Slide down animation on show */
@keyframes slideDown {
    from {
        max-height: 0;
        opacity: 0;
        padding-top: 0;
        padding-bottom: 0;
    }
    to {
        max-height: 200px;
        opacity: 1;
        padding-top: 1rem;
        padding-bottom: 1rem;
    }
}

/* Slide up animation on close */
@keyframes slideUp {
    from {
        max-height: 200px;
        opacity: 1;
        padding-top: 1rem;
        padding-bottom: 1rem;
    }
    to {
        max-height: 0;
        opacity: 0;
        padding-top: 0;
        padding-bottom: 0;
        margin: 0;
        border: none;
    }
}

/* ====== Blink Animation ====== */
.blink {
    animation: blink 1s step-start infinite;
}

@keyframes blink {
    50% {
        opacity: 0;
    }
}

/* ====== Footer ====== */
footer {
    padding: 1rem;
    color: #777;
    text-align: center;
    font-size: 0.85rem;
    border-top: 1px solid #333;
}