/* Global Variables */
:root {
    --bg-dark: #0f172a;
    --sidebar-bg: #1e293b;
    --card-bg: rgba(30, 41, 59, 0.7);
    --accent-indigo: #6366f1;
    --accent-violet: #8b5cf6;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --glass-border: rgba(255, 255, 255, 0.1);
    --transition-slow: 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-primary);
    overflow-x: hidden;
}

/* Base Layout */
.app-container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar Styling */
.sidebar {
    width: 260px;
    background-color: var(--sidebar-bg);
    border-right: 1px solid var(--glass-border);
    transition: var(--transition-slow);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    z-index: 1000;
}

.sidebar-header {
    padding: 2rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-box {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--accent-indigo), var(--accent-violet));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.2rem;
}

.sidebar-menu {
    flex-grow: 1;
    padding: 1rem 0;
    overflow-y: auto;
}

.menu-item {
    padding: 0.8rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition-slow);
    cursor: pointer;
    font-size: 0.95rem;
}

.menu-item:hover,
.menu-item.active {
    background: rgba(99, 102, 241, 0.1);
    color: var(--text-primary);
    border-left: 4px solid var(--accent-indigo);
}

.submenu {
    background: rgba(15, 23, 42, 0.3);
    display: none;
}

.submenu.open {
    display: block;
}

.submenu .menu-item {
    padding-left: 3.5rem;
    font-size: 0.85rem;
}

.menu-section {
    margin-top: 1.5rem;
    padding: 0 1rem;
}

.section-title {
    display: block;
    color: var(--text-secondary);
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.8rem;
    padding-left: 0.5rem;
}

/* Main Content Area */
.main-content {
    flex-grow: 1;
    margin-left: 260px;
    padding: 2rem;
    transition: var(--transition-slow);
}

/* Top Navbar */
.top-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.search-bar {
    background: var(--sidebar-bg);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    padding: 0.6rem 1rem;
    color: var(--text-primary);
    width: 300px;
}

.user-profile {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--sidebar-bg);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    border: 1px solid var(--glass-border);
}

.user-avatar {
    width: 35px;
    height: 35px;
    border-radius: 50%;
    background: #475569;
}

/* Sidebar Overlay for Mobile */
.sidebar-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    z-index: 999;
}

/* Responsive */
@media (max-width: 992px) {
    .sidebar {
        width: 80px;
    }

    .main-content {
        margin-left: 80px;
    }

    .menu-text,
    .logo-text,
    .user-info {
        display: none;
    }
}

@media (max-width: 576px) {

    /* Responsive Tables */
    .table-container {
        border: none;
        background: none;
    }

    table,
    thead,
    tbody,
    th,
    td,
    tr {
        display: block;
    }

    thead tr {
        position: absolute;
        top: -9999px;
        left: -9999px;
    }

    tr {
        background: var(--card-bg);
        border: 1px solid var(--glass-border);
        border-radius: 16px;
        margin-bottom: 1rem;
        padding: 1rem;
    }

    td {
        border: none;
        padding: 0.8rem 0 !important;
        position: relative;
        display: flex;
        justify-content: space-between;
        align-items: center;
        text-align: right;
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }

    td:last-child {
        border-bottom: none;
        margin-top: 0.5rem;
    }

    td:before {
        content: attr(data-label);
        font-weight: 600;
        color: var(--text-secondary);
        font-size: 0.8rem;
        text-align: left;
    }

    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.mobile-open {
        transform: translateX(0);
        width: 260px;
    }

    .sidebar-overlay.active {
        display: block;
    }

    .sidebar.mobile-open .menu-text,
    .sidebar.mobile-open .logo-text,
    .sidebar.mobile-open .user-info {
        display: block !important;
    }

    .main-content {
        margin-left: 0;
        padding: 1rem;
    }

    .mobile-toggle {
        display: block !important;
    }

    .top-nav {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .search-bar {
        display: block;
        width: 100%;
        margin-top: 0.5rem;
    }
}