:root {
    --primary-color: #133E87;
    --primary-hover: #0a2e63;
    --accent-color: #133E87;
    --bg-light: #f7fafc;
    --bg-dark: #1a202c;
    --card-bg: #ffffff;
    --border-color: #e2e8f0;
    --text-main: #2d3748;
    --text-muted: #718096;
    --sidebar-bg: #2d3748;
    --sidebar-width: 260px;
    --card-radius: 8px;
    --transition-speed: 0.2s;
}

[data-theme='dark'] {
    --bg-light: #1a202c;
    --card-bg: #2d3748;
    --border-color: #4a5568;
    --text-main: #f7fafc;
    --text-muted: #cbd5e0;
    --sidebar-bg: #1a202c;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-light);
    color: var(--text-main);
    transition: background-color var(--transition-speed), color var(--transition-speed);
}

/* Navbar Styling */
.main-navbar {
    background-color: var(--accent-color) !important;
    border-bottom: 2px solid rgba(0, 0, 0, 0.1);
    transition: all var(--transition-speed);
}

[data-theme='dark'] .main-navbar {
    background-color: #1a202c !important;
    border-bottom: 1px solid var(--border-color);
}

.main-navbar .nav-link {
    color: rgba(255, 255, 255, 0.7) !important;
    font-weight: 500;
    padding: 0.5rem 1.2rem !important;
    border-radius: 6px;
    transition: all 0.2s;
}

.main-navbar .nav-link:hover {
    color: white !important;
    background: rgba(255, 255, 255, 0.1);
}

.main-navbar .nav-link.active {
    color: white !important;
    font-weight: 600;
    background: rgba(255, 255, 255, 0.15);
}

.themeswitch-navbar .form-check-input:checked {
    background-color: #1a202c !important;
    border-color: #718096 !important;
}

/* Main Content Wrapper */
.content-wrapper {
    padding: 6rem 2rem 2rem 2rem;
    min-height: 100vh;
    position: relative;
}

/* Modern Card Styling */
.card-modern {
    background-color: var(--card-bg) !important;
    border-radius: var(--card-radius);
    transition: all var(--transition-speed);
}

/* Ensure buttons using card-modern keep their theme colors and have high-contrast text */
button.card-modern,
.btn.card-modern {
    background-color: inherit !important;
    color: #2D3748 !important;
    /* Dark gray for visibility */
}

.card-modern:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* KPI Widgets */
.kpi-title {
    font-size: 0.75rem;
    text-transform: uppercase;
    font-weight: 600;
    color: var(--text-muted);
    letter-spacing: 0.5px;
}

.kpi-value {
    font-size: 1.8rem;
    font-weight: 700;
    margin: 0.2rem 0;
}

/* Tables */
.table {
    color: var(--text-main) !important;
    border-color: var(--border-color) !important;
    font-size: 0.9rem;
    background: transparent !important;
}

.table thead th {
    background: var(--accent-color) !important;
    color: white !important;
    text-transform: uppercase;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    border-bottom: none !important;
    padding: 0.9rem 0.75rem !important;
}

.table tbody td {
    padding: 0.8rem 0.75rem !important;
    vertical-align: middle !important;
    border-bottom: 1px solid var(--border-color) !important;
}

.table-hover tbody tr:hover {
    background-color: rgba(90, 103, 216, 0.05) !important;
}

/* --- Controls Row --- */
.controls-row {
    position: relative;
    z-index: 10;
    overflow: visible !important;
}

.controls-row .card,
.controls-row .card-modern {
    overflow: visible !important;
}

/* --- Header DatePicker & KPI --- */
.header-picker-container {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    /* Left align by default when beneath widget */
    gap: 1.5rem;
    padding: 0;
    margin-bottom: 2rem;
}

.header-kpi-widget {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--card-radius);
    padding: 0.6rem 1.25rem;
    display: flex;
    align-items: center;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
}

.header-kpi-label {
    font-size: 0.85rem;
    text-transform: uppercase;
    color: var(--text-secondary);
    font-weight: 600;
    margin-right: 1.2rem;
    letter-spacing: 0.5px;
}

.header-kpi-value {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--accent-color);
    line-height: 1;
}

/* Header DatePicker Input */
.dash-datepicker-header {
    width: auto !important;
    display: inline-block;
}

.dash-datepicker-header .SingleDatePickerInput {
    border-radius: var(--card-radius);
    background: var(--card-bg);
    padding: 0;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    width: 150px !important;
    max-width: 150px !important;
    overflow: hidden;
}

.dash-datepicker-header .DateInput,
.dash-datepicker-header .DateInput_input {
    font-size: 1.1rem !important;
    font-weight: 600 !important;
    color: var(--accent-color) !important;
    padding: 0;
    border: none !important;
    background: transparent !important;
}

/* Calendar Popper/Picker Positioning - FLOW FIX */
.SingleDatePicker_picker {
    z-index: 99999 !important;
    position: absolute !important;
    top: 45px !important;
    right: 0 !important;
    left: auto !important;
    background: var(--card-bg) !important;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: var(--card-radius);
}

/* Fix for internal calendar parts */
.CalendarMonth,
.CalendarMonthGrid,
.DayPicker,
.DayPicker_transitionContainer {
    background: var(--card-bg) !important;
    z-index: 99999 !important;
}

[data-theme='dark'] .CalendarMonth,
[data-theme='dark'] .DayPicker,
[data-theme='dark'] .CalendarDay__default {
    background: #2d3748 !important;
    color: #e2e8f0 !important;
    border-color: #4a5568 !important;
}

/* Dark mode visibility for header date input */
[data-theme='dark'] .dash-datepicker-header .SingleDatePickerInput,
[data-theme='dark'] .dash-datepicker-header .DateInput,
[data-theme='dark'] .dash-datepicker-header .DateInput_input {
    background-color: var(--card-bg) !important;
    color: white !important;
}

/* Responsive */
@media (max-width: 992px) {
    .header-picker-container {
        position: static;
        margin-bottom: 1rem;
        justify-content: flex-end;
        padding: 0 1rem;
    }
}

/* Scrollbars */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.1);
    border-radius: 10px;
}

[data-theme='dark'] ::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
}