:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #13131a;
    --bg-card: #1a1a24;
    --text-primary: #ffffff;
    --text-secondary: #9ca3af;
    --accent-purple: #8b5cf6;
    --accent-green: #10b981;
    --accent-blue: #3b82f6;
    --accent-red: #ef4444;
    --border-color: #2a2a35;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 260px;
    background-color: var(--bg-secondary);
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 30px;
    border-right: 1px solid var(--border-color);
    transition: width 0.3s ease;
}

.sidebar.collapsed {
    width: 80px;
}

.sidebar.collapsed .nav-header,
.sidebar.collapsed span {
    display: none;
}

.logo {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.logo-text {
    font-size: 20px;
    font-weight: 600;
}

.logo-highlight {
    color: var(--accent-purple);
}

.toggle-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 18px;
    padding: 5px;
    transition: color 0.3s;
}

.toggle-btn:hover {
    color: var(--text-primary);
}

.nav-section {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.nav-header {
    font-size: 12px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 0 10px;
    margin-bottom: 5px;
}

.nav-menu {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 15px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s;
    color: var(--text-secondary);
}

.nav-item:hover {
    background-color: var(--bg-card);
    color: var(--text-primary);
}

.nav-item.active {
    background-color: var(--accent-purple);
    color: var(--text-primary);
}

.nav-item i {
    font-size: 18px;
    width: 20px;
    text-align: center;
}

/* Main Content */
.main-content {
    flex: 1;
    padding: 30px 40px;
    overflow-y: auto;
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
}

.header h1 {
    font-size: 32px;
    font-weight: 600;
}

.user-profile img {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    border: 2px solid var(--accent-purple);
    cursor: pointer;
    transition: transform 0.3s;
}

.user-profile img:hover {
    transform: scale(1.05);
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 25px;
    display: flex;
    align-items: center;
    gap: 20px;
    transition: transform 0.3s, box-shadow 0.3s;
}

.stat-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(139, 92, 246, 0.1);
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.stat-icon.green {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.2), rgba(16, 185, 129, 0.05));
    color: var(--accent-green);
}

.stat-icon.blue {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.2), rgba(59, 130, 246, 0.05));
    color: var(--accent-blue);
}

.stat-icon.red {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.2), rgba(239, 68, 68, 0.05));
    color: var(--accent-red);
}

.stat-info {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.stat-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
}

.stat-label {
    font-size: 14px;
    color: var(--text-secondary);
}

/* Chart Section */
.chart-section {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 30px;
    margin-bottom: 30px;
}

.chart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    flex-wrap: wrap;
    gap: 15px;
    position: relative;
}

.chart-header h2 {
    font-size: 20px;
    font-weight: 600;
}

.chart-controls {
    display: flex;
    gap: 10px;
    align-items: center;
    position: relative;
}

.date-picker-wrapper {
    position: relative;
    display: flex;
    align-items: center;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 10px 14px;
    gap: 10px;
    min-width: 260px;
    cursor: pointer;
    transition: all 0.3s;
}

.date-picker-wrapper:hover {
    border-color: var(--accent-purple);
}

.date-picker-wrapper.active {
    border-color: var(--accent-purple);
}

.date-picker-wrapper i:first-child {
    color: var(--accent-purple);
    font-size: 16px;
}

.date-picker-wrapper i:last-child {
    color: var(--text-secondary);
    font-size: 12px;
    transition: transform 0.3s;
}

.date-picker-wrapper.active i:last-child {
    transform: rotate(180deg);
}

.date-picker-wrapper span {
    color: var(--text-primary);
    font-size: 14px;
    flex: 1;
}

.date-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 60px;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 16px;
    width: 320px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    z-index: 1000;
    display: none;
}

.date-dropdown.show {
    display: block;
    animation: slideDown 0.2s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.date-shortcuts {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    margin-bottom: 16px;
}

.date-shortcuts button {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 13px;
    cursor: pointer;
    transition: all 0.2s;
}

.date-shortcuts button:hover {
    border-color: var(--accent-purple);
    background-color: rgba(139, 92, 246, 0.1);
}

.date-shortcuts button.active {
    background-color: var(--accent-purple);
    border-color: var(--accent-purple);
}

.date-inputs {
    display: flex;
    gap: 12px;
    margin-bottom: 16px;
}

.date-inputs > div {
    flex: 1;
}

.date-inputs label {
    display: block;
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.date-inputs input[type="date"] {
    width: 100%;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 8px 10px;
    color: var(--text-primary);
    font-size: 13px;
}

.date-inputs input[type="date"]::-webkit-calendar-picker-indicator {
    filter: invert(1);
}

.apply-dates {
    width: 100%;
    background: var(--accent-purple);
    border: none;
    border-radius: 8px;
    padding: 10px;
    color: var(--text-primary);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
}

.apply-dates:hover {
    background: #7c3aed;
    transform: translateY(-1px);
}

.filter-btn {
    background: var(--accent-purple);
    border: none;
    border-radius: 8px;
    padding: 8px 20px;
    color: var(--text-primary);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
}

.filter-btn:hover {
    background: #7c3aed;
    transform: translateY(-1px);
    box-shadow: 0 5px 15px rgba(139, 92, 246, 0.3);
}

#chart {
    max-height: 350px;
    margin-bottom: 20px;
}

.chart-legend {
    display: flex;
    justify-content: center;
    gap: 30px;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--text-secondary);
}

.legend-color {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

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

.legend-color.purple {
    background-color: var(--accent-purple);
}

.legend-color.red {
    background-color: var(--accent-red);
}

/* Footer */
.footer {
    text-align: center;
    padding: 20px;
    color: var(--text-secondary);
    font-size: 14px;
    margin-top: 30px;
}

/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        width: 80px;
    }

    .sidebar .nav-header,
    .sidebar span {
        display: none;
    }

    .main-content {
        padding: 20px;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .chart-header {
        flex-direction: column;
        align-items: flex-start;
    }

    .date-picker-wrapper {
        min-width: 200px;
    }
}

/* DateRangePicker Custom Styles */
.daterangepicker {
    background-color: var(--bg-card) !important;
    border: 1px solid var(--border-color) !important;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5) !important;
}

.daterangepicker .calendar-table {
    background-color: var(--bg-card) !important;
    border: none !important;
}

.daterangepicker td.available:hover,
.daterangepicker th.available:hover {
    background-color: var(--bg-secondary) !important;
    color: var(--text-primary) !important;
}

.daterangepicker td.active,
.daterangepicker td.active:hover {
    background-color: var(--accent-purple) !important;
    color: white !important;
}

.daterangepicker td.in-range {
    background-color: rgba(139, 92, 246, 0.2) !important;
    color: var(--text-primary) !important;
}

.daterangepicker td,
.daterangepicker th {
    color: var(--text-primary) !important;
}

.daterangepicker td.off,
.daterangepicker td.off.in-range,
.daterangepicker td.off.start-date,
.daterangepicker td.off.end-date {
    color: var(--text-secondary) !important;
}

.daterangepicker .drp-buttons {
    border-top: 1px solid var(--border-color) !important;
}

.daterangepicker .drp-buttons .btn {
    background-color: var(--accent-purple) !important;
    border: none !important;
    color: white !important;
    padding: 8px 16px !important;
    border-radius: 6px !important;
}

.daterangepicker .drp-buttons .btn.cancelBtn {
    background-color: var(--bg-secondary) !important;
}

.daterangepicker select.monthselect,
.daterangepicker select.yearselect {
    background-color: var(--bg-secondary) !important;
    border: 1px solid var(--border-color) !important;
    color: var(--text-primary) !important;
}