:root {
    /* Colors */
    --bg-body: #0e0e12;
    --bg-sidebar: #0e0e12;
    --bg-card: #18181b;
    --bg-card-hover: #27272a;
    --text-primary: #ffffff;
    --text-secondary: #a1a1aa;
    --border-color: #27272a;

    /* Accents */
    /* Celestial Accents */
    --accent-blue: #00BFFF;
    /* Deep Sky Blue */
    --accent-purple: #BD00FF;
    /* Electric Purple */
    --accent-orange: #FF9900;
    /* Sunset Orange */
    --accent-green: #00FF99;
    /* Neon Green */
    --accent-pink: #FF00FF;
    /* Magenta */
    --accent-cyan: #00FFFF;
    /* Cyan */

    /* Spacing */
    --sidebar-width: 80px;
    --sidebar-width-expanded: 240px;
    --header-height: 70px;
    --card-radius: 20px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    background-color: var(--bg-body);
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    height: 100vh;
    overflow: hidden;
    display: flex;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    height: 100%;
    background-color: var(--bg-sidebar);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    padding: 1.5rem 0;
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 100;
    overflow: hidden;
}

.sidebar:hover {
    width: var(--sidebar-width-expanded);
}

.logo {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--accent-cyan), var(--accent-purple));
    border-radius: 12px;
    margin: 0 1rem 3rem 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    color: #fff;
    box-shadow: 0 0 15px rgba(0, 255, 255, 0.3);
    flex-shrink: 0;
}

.nav-menu {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    width: 100%;
    padding: 0 1rem;
}

.nav-item-wrapper {
    width: 100%;
    position: relative;
}

.nav-item {
    width: 100%;
    min-height: 40px;
    padding: 0.5rem 0.75rem;
    border-radius: 12px;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.nav-item svg:first-child {
    min-width: 20px;
    flex-shrink: 0;
}

.nav-item:hover,
.nav-item.active {
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--accent-cyan);
    box-shadow: 0 0 10px rgba(0, 255, 255, 0.1);
}

.nav-item.active {
    background: linear-gradient(135deg, rgba(0, 255, 255, 0.1), rgba(189, 0, 255, 0.1));
    color: var(--accent-cyan);
    border: 1px solid rgba(0, 255, 255, 0.2);
}

.sidebar-footer {
    margin-top: auto;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    width: 100%;
    padding: 0 1rem;
}

/* Nav Labels */
.nav-label {
    opacity: 0;
    width: 0;
    overflow: hidden;
    white-space: nowrap;
    font-size: 0.9rem;
    font-weight: 500;
    transition: opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1), width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    flex: 1;
}

.sidebar:hover .nav-label {
    opacity: 1;
    width: auto;
}

/* Chevron Icon */
.chevron {
    min-width: 16px;
    opacity: 0;
    margin-left: auto;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.sidebar:hover .chevron {
    opacity: 1;
}

.nav-item-wrapper.open .chevron {
    transform: rotate(180deg);
}

/* Submenu */
.submenu {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    padding-left: 2.5rem;
}

.nav-item-wrapper.open .submenu {
    max-height: 200px;
}

.submenu-item {
    padding: 0.5rem 0.75rem;
    color: var(--text-secondary);
    font-size: 0.85rem;
    cursor: pointer;
    border-radius: 8px;
    transition: all 0.2s;
    margin-bottom: 0.25rem;
}

.submenu-item:hover {
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--accent-cyan);
    padding-left: 1rem;
}

/* Main Content */
.main-content {
    flex: 1;
    height: 100%;
    overflow-y: auto;
    padding: 0 2rem 2rem 2rem;
    display: flex;
    flex-direction: column;
}

/* Top Bar */
.top-bar {
    height: var(--header-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 1rem;
}

.search-bar {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 0.5rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    width: 300px;
    color: var(--text-secondary);
    transition: all 0.3s;
}

.search-bar:focus-within {
    border-color: var(--accent-purple);
    box-shadow: 0 0 15px rgba(189, 0, 255, 0.1);
}

.search-bar input {
    background: transparent;
    border: none;
    color: var(--text-primary);
    outline: none;
    width: 100%;
}

.top-right {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.date-badge {
    background-color: var(--bg-card);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
}

.icon-btn {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--bg-card);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-color);
    cursor: pointer;
    color: var(--text-secondary);
    transition: all 0.3s;
}

.icon-btn:hover {
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
    box-shadow: 0 0 10px rgba(0, 255, 255, 0.2);
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-purple), var(--accent-blue));
    padding: 2px;
    overflow: hidden;
}

.user-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
    border: 2px solid var(--bg-body);
}

/* Dashboard Grid */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: auto auto auto;
    gap: 1.5rem;
}

/* Cards & Celestial Glow */
.card {
    background-color: var(--bg-card);
    border-radius: var(--card-radius);
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5), 0 0 20px var(--card-glow, rgba(255, 255, 255, 0.1));
    border-color: var(--card-glow, rgba(255, 255, 255, 0.1));
}

/* The Celestial Bottom Glow - Enhanced */
.card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 50%;
    background: linear-gradient(to top, var(--card-glow, transparent), transparent);
    opacity: 0.7;
    filter: blur(20px);
    transition: opacity 0.3s ease, height 0.3s ease, filter 0.3s ease;
    pointer-events: none;
    z-index: 0;
}

.card:hover::after {
    opacity: 0.9;
    height: 60%;
    filter: blur(25px);
}

.card-content {
    position: relative;
    z-index: 1;
}

/* Card Glow Variants */
.glow-purple {
    --card-glow: var(--accent-purple);
}

.glow-blue {
    --card-glow: var(--accent-blue);
}

.glow-green {
    --card-glow: var(--accent-green);
}

.glow-orange {
    --card-glow: var(--accent-orange);
}

.glow-cyan {
    --card-glow: var(--accent-cyan);
}

.glow-pink {
    --card-glow: var(--accent-pink);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
}

.card-title {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.card-value {
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.badge {
    padding: 0.25rem 0.5rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
}

.badge.success {
    background-color: rgba(34, 197, 94, 0.1);
    color: var(--accent-green);
}

.badge.danger {
    background-color: rgba(239, 68, 68, 0.1);
    color: var(--accent-red);
}

.badge.neutral {
    background-color: rgba(161, 161, 170, 0.1);
    color: var(--text-secondary);
}

.icon-circle {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
}

.icon-circle.blue {
    background-color: var(--accent-blue);
    color: white;
}

.icon-circle.dark {
    background-color: var(--bg-card-hover);
    color: var(--text-secondary);
}

/* Specific Cards */
.stat-card {
    grid-column: span 1;
    height: 160px;
}

.chart-card {
    grid-column: span 2;
    height: 300px;
}

.chart-card.large {
    grid-column: span 3;
}

.chart-card.small {
    grid-column: span 1;
}

/* Charts */
.bar-chart {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    height: 100%;
    padding-top: 1rem;
}

.bar-col {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    flex: 1;
}

.bar {
    width: 60%;
    background-color: #3f3f46;
    border-radius: 4px 4px 0 0;
    transition: height 0.5s ease, background-color 0.2s;
}

.bar.active {
    background-color: var(--accent-blue);
}

.bar-label {
    font-size: 0.7rem;
    color: var(--text-secondary);
}

.donut-chart-container {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.donut-legend {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-left: 1rem;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

/* Table */
.table-card {
    grid-column: span 4;
    height: auto;
    min-height: 300px;
}

.table-header {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.tab-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 0.9rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid transparent;
}

.tab-btn.active {
    color: var(--text-primary);
    border-bottom-color: var(--accent-blue);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
}

.data-table th {
    text-align: left;
    color: var(--text-secondary);
    font-size: 0.75rem;
    font-weight: 600;
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.data-table td {
    padding: 1rem;
    color: var(--text-primary);
    font-size: 0.9rem;
    border-bottom: 1px solid var(--border-color);
}

.data-table tr:last-child td {
    border-bottom: none;
}

.status-pill {
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: capitalize;
}

.status-pill.on-way {
    background: rgba(168, 85, 247, 0.1);
    color: var(--accent-purple);
}

.status-pill.delivered {
    background: rgba(34, 197, 94, 0.1);
    color: var(--accent-green);
}

.status-pill.await {
    background: rgba(249, 115, 22, 0.1);
    color: var(--accent-orange);
}

/* Responsive */
@media (max-width: 1200px) {
    .dashboard-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .stat-card {
        grid-column: span 1;
    }

    .chart-card.large {
        grid-column: span 2;
    }

    .chart-card.small {
        grid-column: span 2;
    }

    .table-card {
        grid-column: span 2;
    }
}

@media (max-width: 768px) {
    .dashboard-grid {
        grid-template-columns: 1fr;
    }

    .stat-card,
    .chart-card.large,
    .chart-card.small,
    .table-card {
        grid-column: span 1;
    }

    .sidebar {
        position: fixed;
        left: -100%;
    }
}