/*
 * SigmaLab Portfolio Analyzer - Institutional Design System
 * Version: 2.1
 * Date: January 2026
 * 
 * Design Philosophy: Bloomberg PORT / FactSet aesthetic
 * - Refined color palette (desaturated accent)
 * - Systematic spacing (8px base unit)
 * - Professional typography hierarchy
 * - Consistent component library
 */

/* ==================== INSTITUTIONAL HEADER ==================== */
.institutional-header {
    background: linear-gradient(180deg, #0d1117 0%, #10151b 100%);
    position: relative;
}

.institutional-header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, rgba(230, 126, 34, 0.5) 50%, transparent 100%);
}

/* ==================== DESIGN TOKENS ==================== */
:root {
    /* Backgrounds - 5-layer depth system */
    --bg-deepest: #0a0e13;        /* Modal overlays, deepest layer */
    --bg-primary: #0d1117;         /* Main app background */
    --bg-secondary: #161b22;       /* Card backgrounds */
    --bg-tertiary: #21262d;        /* Elevated elements */
    --bg-hover: #2d333b;           /* Hover states */
    
    /* Borders - subtle layering */
    --border-subtle: #21262d;      /* Very subtle divisions */
    --border-default: #30363d;     /* Standard borders */
    --border-emphasis: #484f58;    /* Focused/active borders */
    
    /* Text - 4-level hierarchy */
    --text-primary: #ffffff;       /* Headers, key metrics */
    --text-secondary: #c9d1d9;     /* Body text */
    --text-tertiary: #8b949e;      /* Labels, captions */
    --text-disabled: #6e7681;      /* Disabled states */
    
    /* Semantic colors - refined for institutional use */
    --accent-primary: #E67E22;     /* Primary actions, highlights (desaturated orange) */
    --accent-hover: #D35400;       /* Hover state */
    --accent-muted: #A04000;       /* Disabled/muted accent */
    
    --success: #3fb950;            /* Positive returns */
    --success-muted: #2d7a3e;      /* Muted positive */
    
    --danger: #f85149;             /* Negative returns */
    --danger-muted: #b62324;       /* Muted negative */
    
    --warning: #d29922;            /* Warnings, cautions */
    --info: #58a6ff;               /* Informational */
    
    /* Spacing scale - 8px base unit (systematic) */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-2xl: 48px;
    --space-3xl: 64px;
    
    /* Border radius system */
    --radius-sm: 4px;
    --radius-md: 6px;
    --radius-lg: 8px;
    
    /* Shadows - institutional depth */
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.4);
    --shadow-lg: 0 8px 16px rgba(0,0,0,0.5);
    --shadow-inset: inset 0 1px 3px rgba(0,0,0,0.3);
}

/* ==================== TYPOGRAPHY SYSTEM ==================== */

/* Display - Page titles */
.text-display {
    font-size: 32px;
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary);
    letter-spacing: -0.02em;
}

/* H1 - Main section headers */
.text-h1 {
    font-size: 14px;
    font-weight: 600;
    line-height: 1.3;
    color: var(--accent-primary);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin: 0;
}

/* H2 - Subsection headers */
.text-h2 {
    font-size: 18px;
    font-weight: 600;
    line-height: 1.4;
    color: var(--text-primary);
    margin: 0 0 var(--space-sm) 0;
}

/* H3 - Component headers */
.text-h3 {
    font-size: 16px;
    font-weight: 600;
    line-height: 1.4;
    color: var(--text-secondary);
    margin: 0;
}

/* Body - Default text */
.text-body {
    font-size: 14px;
    font-weight: 400;
    line-height: 1.6;
    color: var(--text-primary);
}

/* Label - Form labels, captions */
.text-label {
    font-size: 12px;
    font-weight: 500;
    line-height: 1.4;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Small - Fine print */
.text-small {
    font-size: 11px;
    font-weight: 400;
    line-height: 1.4;
    color: var(--text-tertiary);
}

/* Numeric - Metrics, returns */
.text-numeric {
    font-family: 'SF Mono', 'Roboto Mono', 'Courier New', monospace;
    font-size: 13px;
    font-weight: 500;
    font-variant-numeric: tabular-nums;
    letter-spacing: 0;
}

/* Metric value - Large numbers */
.text-metric {
    font-family: 'SF Mono', 'Roboto Mono', monospace;
    font-size: 20px;
    font-weight: 600;
    font-variant-numeric: tabular-nums;
    color: var(--text-primary);
}

/* ==================== BUTTONS - UNIFIED SYSTEM ==================== */

.btn-base {
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.02em;
    text-transform: uppercase;
    transition: all 0.15s ease;
    cursor: pointer;
    border: none;
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    font-family: inherit;
}

.btn-primary {
    background-color: var(--accent-primary) !important;
    color: #ffffff !important;
    box-shadow: var(--shadow-sm);
    border: none !important;
}

.btn-primary:hover {
    background-color: var(--accent-hover) !important;
    transform: translateY(-1px);
    box-shadow: var(--shadow-md) !important;
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: var(--shadow-sm) !important;
}

.btn-secondary {
    background-color: var(--bg-tertiary) !important;
    color: var(--text-primary) !important;
    border: 1px solid var(--border-default) !important;
}

.btn-secondary:hover {
    background-color: var(--bg-hover) !important;
    border-color: var(--border-emphasis) !important;
}

.btn-ghost {
    background-color: transparent !important;
    color: var(--text-secondary) !important;
    border: 1px solid transparent !important;
}

.btn-ghost:hover {
    background-color: var(--bg-tertiary) !important;
    color: var(--text-primary) !important;
}

/* Button sizes */
.btn-sm {
    padding: 4px 8px !important;
    font-size: 11px !important;
}

.btn-lg {
    padding: 12px 20px !important;
    font-size: 14px !important;
}

/* Override Bootstrap defaults */
.btn-warning {
    background-color: var(--accent-primary) !important;
    border-color: var(--accent-primary) !important;
    color: #ffffff !important;
}

.btn-warning:hover {
    background-color: var(--accent-hover) !important;
    border-color: var(--accent-hover) !important;
}

.btn-info {
    background-color: var(--info) !important;
    border-color: var(--info) !important;
}

.btn-success {
    background-color: var(--success) !important;
    border-color: var(--success) !important;
}

.btn-danger {
    background-color: var(--danger) !important;
    border-color: var(--danger) !important;
}

/* ==================== CARDS - INSTITUTIONAL LAYOUT ==================== */

.card-institutional {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    margin-bottom: var(--space-lg);
}

.card-header {
    background-color: var(--bg-primary);
    border-bottom: 1px solid var(--border-default);
    padding: var(--space-md) var(--space-lg);
}

.card-header-title {
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--accent-primary);
    margin: 0;
}

.card-header-subtitle {
    font-size: 12px;
    color: var(--text-tertiary);
    margin: 4px 0 0 0;
}

.card-body {
    padding: var(--space-lg);
}

.card-footer {
    background-color: var(--bg-primary);
    border-top: 1px solid var(--border-default);
    padding: var(--space-md) var(--space-lg);
}

/* Bootstrap card overrides */
.card {
    background-color: var(--bg-secondary) !important;
    border: 1px solid var(--border-default) !important;
    border-radius: var(--radius-md) !important;
}

.card-header {
    background-color: var(--bg-primary) !important;
    border-bottom: 1px solid var(--border-default) !important;
}

/* ==================== METRICS DISPLAY ==================== */

.metric-card {
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    padding: var(--space-md);
    transition: all 0.15s ease;
}

.metric-card:hover {
    border-color: var(--border-default);
    box-shadow: var(--shadow-sm);
}

.metric-label {
    font-size: 11px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-tertiary);
    margin-bottom: var(--space-xs);
    display: block;
}

.metric-value {
    font-family: 'SF Mono', 'Roboto Mono', monospace;
    font-size: 24px;
    font-weight: 600;
    color: var(--text-primary);
    font-variant-numeric: tabular-nums;
    margin-bottom: var(--space-xs);
    display: block;
}

.metric-change {
    font-size: 12px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 4px;
}

.metric-change.positive {
    color: var(--success);
}

.metric-change.negative {
    color: var(--danger);
}

/* ==================== SECTION HEADERS ==================== */

.section-header {
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-md);
    border-bottom: 1px solid var(--border-subtle);
}

.section-title-row {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.section-icon {
    font-size: 20px;
    color: var(--accent-primary);
}

/* ==================== TABLES - DATA DISPLAY ==================== */

.table-institutional {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
}

.table-institutional thead {
    background-color: var(--bg-primary);
}

.table-institutional th {
    padding: var(--space-sm) var(--space-md);
    text-align: left;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--accent-primary);
    border-bottom: 2px solid var(--border-default);
}

.table-institutional td {
    padding: var(--space-sm) var(--space-md);
    font-size: 13px;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-subtle);
}

.table-institutional tbody tr:hover {
    background-color: var(--bg-tertiary);
}

.table-institutional td.numeric {
    font-family: 'SF Mono', 'Roboto Mono', monospace;
    text-align: right;
    font-variant-numeric: tabular-nums;
}

/* ==================== DROPDOWN STYLING ==================== */
.Select-control, 
.Select-menu-outer, 
.Select-menu, 
.Select-menu div, 
.Select-value, 
.Select-value-label {
    background-color: var(--bg-tertiary) !important;
    color: var(--text-primary) !important;
    border-color: var(--border-default) !important;
}

.Select-placeholder {
    color: var(--text-tertiary) !important;
}

.Select--multi .Select-value {
    background-color: var(--bg-secondary) !important;
    border: 1px solid var(--border-default) !important;
    color: var(--text-primary) !important;
}

.Select-option {
    background-color: var(--bg-tertiary) !important;
    color: var(--text-primary) !important;
}

.Select-option.is-focused {
    background-color: var(--bg-hover) !important;
}

.Select-option:hover {
    background-color: var(--bg-hover) !important;
}

/* ==================== DATE PICKER STYLING ==================== */
.DateInput,
.DateInput_input,
.DateInput_input_1, 
.DateInput_input_2 {
    background-color: var(--bg-tertiary) !important;
    color: var(--text-primary) !important;
    border: 1px solid var(--border-default) !important;
    border-radius: var(--radius-sm) !important;
    font-size: 13px !important;
    font-weight: 500 !important;
    padding: 6px 10px !important;
}

.DateRangePickerInput {
    background-color: var(--bg-tertiary) !important;
    border: 1px solid var(--border-default) !important;
    border-radius: var(--radius-sm) !important;
    display: flex !important;
    width: 100% !important;
}

.DateRangePickerInput_arrow {
    color: var(--text-tertiary) !important;
}

.DateRangePickerInput__withBorder {
    border-color: var(--border-default) !important;
}

.DateInput_fang {
    display: none !important;
}

/* Calendar styling */
.DayPicker {
    background-color: var(--bg-secondary) !important;
    border: 1px solid var(--border-default) !important;
    border-radius: var(--radius-sm) !important;
}

.DayPicker__withBorder {
    box-shadow: var(--shadow-lg) !important;
}

.DayPickerKeyboardShortcuts_panel {
    background-color: var(--bg-secondary) !important;
}

.CalendarMonthGrid {
    background-color: var(--bg-secondary) !important;
}

.CalendarMonth {
    background-color: var(--bg-secondary) !important;
}

.CalendarDay {
    background-color: var(--bg-tertiary) !important;
    color: var(--text-primary) !important;
    border: 1px solid var(--border-subtle) !important;
}

.CalendarDay__default:hover {
    background-color: var(--bg-hover) !important;
    border-color: var(--accent-primary) !important;
}

.CalendarDay__selected,
.CalendarDay__selected:active,
.CalendarDay__selected:hover {
    background: var(--accent-primary) !important;
    color: #ffffff !important;
    border-color: var(--accent-primary) !important;
}

.CalendarDay__selected_span {
    background: rgba(230, 126, 34, 0.3) !important;
    border-color: rgba(230, 126, 34, 0.5) !important;
    color: var(--text-primary) !important;
}

.CalendarDay__hovered_span,
.CalendarDay__hovered_span:hover {
    background: rgba(230, 126, 34, 0.2) !important;
    border-color: rgba(230, 126, 34, 0.4) !important;
    color: var(--text-primary) !important;
}

.CalendarDay__blocked_out_of_range,
.CalendarDay__blocked_out_of_range:active,
.CalendarDay__blocked_out_of_range:hover {
    background-color: var(--bg-primary) !important;
    color: var(--text-disabled) !important;
    opacity: 0.5 !important;
}

.CalendarMonth_caption {
    color: var(--text-primary) !important;
    font-weight: 600 !important;
}

.DayPickerNavigation_button {
    background-color: var(--bg-tertiary) !important;
    border: 1px solid var(--border-default) !important;
}

.DayPickerNavigation_button:hover {
    background-color: var(--bg-hover) !important;
    border-color: var(--accent-primary) !important;
}

.DayPickerNavigation_svg__horizontal {
    fill: var(--text-primary) !important;
}

/* ==================== SLIDER STYLING - INSTITUTIONAL ==================== */

/* Slider Container */
.rc-slider {
    height: 16px !important;
    padding: 6px 0 !important;
}

/* Rail (background track) */
.rc-slider-rail {
    height: 4px !important;
    background: linear-gradient(90deg, #21262d 0%, #30363d 100%) !important;
    border-radius: 2px !important;
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.3) !important;
}

/* Track (filled portion) */
.rc-slider-track {
    height: 4px !important;
    background: linear-gradient(90deg, #D35400 0%, #E67E22 50%, #F39C12 100%) !important;
    border-radius: 2px !important;
    box-shadow: 0 0 6px rgba(230, 126, 34, 0.4) !important;
}

/* Handle (draggable knob) */
.rc-slider-handle {
    width: 16px !important;
    height: 16px !important;
    margin-top: -6px !important;
    background: linear-gradient(135deg, #E67E22 0%, #D35400 100%) !important;
    border: 2px solid #F39C12 !important;
    border-radius: 50% !important;
    box-shadow: 
        0 2px 6px rgba(0, 0, 0, 0.4),
        0 0 0 3px rgba(230, 126, 34, 0.15),
        inset 0 1px 0 rgba(255, 255, 255, 0.2) !important;
    cursor: pointer !important;
    transition: all 0.15s cubic-bezier(0.4, 0, 0.2, 1) !important;
    opacity: 1 !important;
}

.rc-slider-handle:hover {
    transform: scale(1.15) !important;
    background: linear-gradient(135deg, #F39C12 0%, #E67E22 100%) !important;
    border-color: #fff !important;
    box-shadow: 
        0 4px 12px rgba(0, 0, 0, 0.4),
        0 0 0 4px rgba(230, 126, 34, 0.25),
        0 0 16px rgba(230, 126, 34, 0.4),
        inset 0 1px 0 rgba(255, 255, 255, 0.3) !important;
}

.rc-slider-handle:active,
.rc-slider-handle-dragging {
    transform: scale(1.2) !important;
    box-shadow: 
        0 6px 16px rgba(0, 0, 0, 0.5),
        0 0 0 5px rgba(230, 126, 34, 0.3),
        0 0 24px rgba(230, 126, 34, 0.5) !important;
}

.rc-slider-handle:focus {
    outline: none !important;
    box-shadow: 
        0 2px 8px rgba(0, 0, 0, 0.4),
        0 0 0 4px rgba(230, 126, 34, 0.3),
        0 0 12px rgba(230, 126, 34, 0.4) !important;
}

/* Slider marks/ticks */
.rc-slider-mark {
    top: 18px !important;
}

.rc-slider-mark-text {
    color: #6e7681 !important;
    font-size: 9px !important;
    font-weight: 600 !important;
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', monospace !important;
    letter-spacing: 0 !important;
    white-space: nowrap !important;
}

.rc-slider-mark-text-active {
    color: #E67E22 !important;
}

/* Tighter slider container */
.rc-slider {
    margin-bottom: 8px !important;
}

/* Slider step dots */
.rc-slider-dot {
    width: 6px !important;
    height: 6px !important;
    background-color: #30363d !important;
    border: 1px solid #484f58 !important;
    bottom: -1px !important;
}

.rc-slider-dot-active {
    background-color: #E67E22 !important;
    border-color: #F39C12 !important;
    box-shadow: 0 0 4px rgba(230, 126, 34, 0.5) !important;
}

/* RangeSlider specific */
.rc-slider-handle-1,
.rc-slider-handle-2 {
    z-index: 10 !important;
}

/* Tooltip for slider value */
.rc-slider-tooltip {
    z-index: 1000 !important;
}

.rc-slider-tooltip-inner {
    background: linear-gradient(135deg, #21262d 0%, #161b22 100%) !important;
    border: 1px solid #E67E22 !important;
    border-radius: 4px !important;
    padding: 4px 10px !important;
    font-size: 11px !important;
    font-weight: 700 !important;
    font-family: 'SF Mono', 'Monaco', 'Inconsolata', monospace !important;
    color: #E67E22 !important;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4) !important;
    letter-spacing: 0.05em !important;
}

.rc-slider-tooltip-arrow {
    border-top-color: #E67E22 !important;
}

/* Disabled state */
.rc-slider-disabled {
    opacity: 0.4 !important;
}

.rc-slider-disabled .rc-slider-handle {
    cursor: not-allowed !important;
}

/* ==================== DATA TABLES (DASH) ==================== */
.dash-table-container .dash-spreadsheet-container .dash-spreadsheet-inner table {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif !important;
}

.dash-table-container .dash-spreadsheet-container .dash-spreadsheet-inner th {
    background-color: var(--bg-primary) !important;
    color: var(--accent-primary) !important;
    border: 1px solid var(--border-default) !important;
    font-weight: 600 !important;
    font-size: 11px !important;
    text-transform: uppercase !important;
    letter-spacing: 0.05em !important;
    padding: var(--space-sm) var(--space-md) !important;
}

.dash-table-container .dash-spreadsheet-container .dash-spreadsheet-inner td {
    background-color: var(--bg-tertiary) !important;
    color: var(--text-primary) !important;
    border: 1px solid var(--border-subtle) !important;
    font-size: 13px !important;
    padding: var(--space-sm) var(--space-md) !important;
}

.dash-table-container .dash-spreadsheet-container .dash-spreadsheet-inner tr:hover td {
    background-color: var(--bg-hover) !important;
}

/* ==================== LOADING SPINNER ==================== */
._dash-loading {
    color: var(--accent-primary) !important;
}

._dash-loading-callback {
    background-color: rgba(13, 17, 23, 0.95) !important;
}

/* ==================== SCROLLBARS ==================== */
::-webkit-scrollbar {
    width: 10px;
    height: 10px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--bg-tertiary);
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--border-default);
}

/* ==================== TABS ==================== */
.tab {
    background-color: var(--bg-secondary) !important;
    border: 1px solid var(--border-default) !important;
    border-bottom: none !important;
    color: var(--text-secondary) !important;
}

.tab--selected {
    background-color: var(--bg-primary) !important;
    color: var(--accent-primary) !important;
    border-bottom-color: var(--bg-primary) !important;
}

.tab:hover {
    background-color: var(--bg-tertiary) !important;
}

/* ==================== TUTORIAL BUTTON ==================== */
#btn-start-guide {
    background-color: var(--accent-primary) !important;
    color: #ffffff !important;
    border: 1px solid var(--accent-primary) !important;
    padding: 6px 14px !important;
    border-radius: var(--radius-sm) !important;
    font-size: 11px !important;
    font-weight: 600 !important;
    letter-spacing: 0.05em !important;
    text-transform: uppercase !important;
    box-shadow: var(--shadow-sm) !important;
    transition: all 0.15s ease !important;
}

#btn-start-guide:hover {
    background-color: var(--accent-hover) !important;
    border-color: var(--accent-hover) !important;
    color: #ffffff !important;
    box-shadow: var(--shadow-md) !important;
    transform: translateY(-1px);
}

#btn-start-guide:active {
    transform: translateY(0);
    box-shadow: var(--shadow-sm) !important;
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 768px) {
    :root {
        --space-md: 12px;
        --space-lg: 16px;
        --space-xl: 24px;
    }
    
    .card-body {
        padding: var(--space-md);
    }
    
    .metric-value {
        font-size: 20px;
    }
}

/* ==================== UTILITY CLASSES ==================== */

.mt-xs { margin-top: var(--space-xs); }
.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }

.mb-xs { margin-bottom: var(--space-xs); }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }

.pt-md { padding-top: var(--space-md); }
.pb-md { padding-bottom: var(--space-md); }
.px-md { padding-left: var(--space-md); padding-right: var(--space-md); }
.py-md { padding-top: var(--space-md); padding-bottom: var(--space-md); }

.text-center { text-align: center; }
.text-right { text-align: right; }

.flex-row { display: flex; flex-direction: row; align-items: center; gap: var(--space-sm); }
.flex-col { display: flex; flex-direction: column; gap: var(--space-sm); }

.w-full { width: 100%; }

/* ==================== ENHANCED GLOBAL STYLES ==================== */

/* Improved font rendering */
* {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Base body improvements */
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
}

/* Enhanced modal styling */
.modal-content {
    background-color: var(--bg-secondary) !important;
    border: 1px solid var(--border-default) !important;
    border-radius: var(--radius-lg) !important;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5) !important;
}

.modal-header {
    background: linear-gradient(135deg, var(--bg-tertiary) 0%, var(--bg-secondary) 100%) !important;
    border-bottom: 1px solid var(--border-default) !important;
    padding: 20px 24px !important;
}

.modal-title {
    font-size: 18px !important;
    font-weight: 700 !important;
    color: var(--text-primary) !important;
    letter-spacing: -0.01em !important;
}

.modal-body {
    padding: 24px !important;
    color: var(--text-secondary) !important;
}

.modal-footer {
    background-color: var(--bg-primary) !important;
    border-top: 1px solid var(--border-default) !important;
    padding: 16px 24px !important;
}

.btn-close {
    filter: invert(1) grayscale(100%) brightness(200%);
    opacity: 0.6;
}

.btn-close:hover {
    opacity: 1;
}

/* Enhanced upload area */
.upload-area,
[id*="upload"] .dcc-upload {
    border: 2px dashed var(--border-default) !important;
    border-radius: var(--radius-lg) !important;
    background: linear-gradient(135deg, rgba(230, 126, 34, 0.03) 0%, rgba(88, 166, 255, 0.03) 100%) !important;
    padding: 40px !important;
    text-align: center;
    transition: all 0.3s ease !important;
    cursor: pointer;
}

.upload-area:hover,
[id*="upload"] .dcc-upload:hover {
    border-color: var(--accent-primary) !important;
    background: linear-gradient(135deg, rgba(230, 126, 34, 0.08) 0%, rgba(88, 166, 255, 0.08) 100%) !important;
}

/* Enhanced input fields */
input[type="text"],
input[type="number"],
input[type="email"],
input[type="password"],
textarea {
    background-color: var(--bg-tertiary) !important;
    border: 1px solid var(--border-default) !important;
    border-radius: var(--radius-sm) !important;
    color: var(--text-primary) !important;
    padding: 10px 14px !important;
    font-size: 14px !important;
    transition: all 0.15s ease !important;
}

input[type="text"]:focus,
input[type="number"]:focus,
input[type="email"]:focus,
input[type="password"]:focus,
textarea:focus {
    border-color: var(--accent-primary) !important;
    box-shadow: 0 0 0 3px rgba(230, 126, 34, 0.15) !important;
    outline: none !important;
}

/* Enhanced alerts */
.alert {
    border-radius: var(--radius-md) !important;
    border: none !important;
    padding: 16px 20px !important;
    font-size: 14px !important;
    font-weight: 500 !important;
}

.alert-success {
    background: linear-gradient(135deg, rgba(34, 197, 94, 0.15) 0%, rgba(74, 222, 128, 0.1) 100%) !important;
    color: #4ade80 !important;
    border-left: 4px solid #22c55e !important;
}

.alert-danger {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.15) 0%, rgba(248, 113, 113, 0.1) 100%) !important;
    color: #f87171 !important;
    border-left: 4px solid #ef4444 !important;
}

.alert-warning {
    background: linear-gradient(135deg, rgba(250, 204, 21, 0.15) 0%, rgba(253, 224, 71, 0.1) 100%) !important;
    color: #fde047 !important;
    border-left: 4px solid #facc15 !important;
}

.alert-info {
    background: linear-gradient(135deg, rgba(88, 166, 255, 0.15) 0%, rgba(96, 165, 250, 0.1) 100%) !important;
    color: #60a5fa !important;
    border-left: 4px solid #58a6ff !important;
}

/* Enhanced badges/pills */
.badge {
    font-size: 11px !important;
    font-weight: 600 !important;
    padding: 4px 10px !important;
    border-radius: 20px !important;
    letter-spacing: 0.02em !important;
}

/* Enhanced progress bar */
.progress {
    height: 8px !important;
    background-color: var(--bg-tertiary) !important;
    border-radius: 4px !important;
    overflow: hidden;
}

.progress-bar {
    background: linear-gradient(90deg, var(--accent-primary) 0%, var(--accent-hover) 100%) !important;
    transition: width 0.3s ease !important;
}

/* Chart container improvements */
.js-plotly-plot,
.plotly {
    border-radius: var(--radius-md);
    overflow: hidden;
}

/* Tooltip improvements */
.tooltip-inner {
    background-color: var(--bg-primary) !important;
    border: 1px solid var(--border-default) !important;
    color: var(--text-primary) !important;
    padding: 8px 12px !important;
    font-size: 12px !important;
    border-radius: var(--radius-sm) !important;
    box-shadow: var(--shadow-lg) !important;
}

/* Logo and branding area */
.logo-container {
    padding: 20px 0;
    margin-bottom: 16px;
    border-bottom: 1px solid var(--border-subtle);
}

.logo-container img {
    max-height: 40px;
    width: auto;
    filter: brightness(1.1);
}

/* App title styling */
.app-title {
    font-size: 20px;
    font-weight: 800;
    background: linear-gradient(135deg, var(--accent-primary) 0%, #f59e0b 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.02em;
}

/* Smooth transitions for interactive elements */
button, .btn, a, input, select, .Select-control {
    transition: all 0.15s ease !important;
}

/* Focus states for accessibility */
button:focus-visible,
.btn:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible {
    outline: 2px solid var(--accent-primary) !important;
    outline-offset: 2px !important;
}

/* Enhanced dropdown multi-select tags */
.Select--multi .Select-value {
    background: linear-gradient(135deg, var(--bg-tertiary) 0%, var(--bg-secondary) 100%) !important;
    border: 1px solid var(--border-default) !important;
    border-radius: 4px !important;
    padding: 2px 8px !important;
    margin: 2px !important;
    font-size: 12px !important;
    color: var(--text-primary) !important;
}

.Select--multi .Select-value-icon {
    border-right: 1px solid var(--border-subtle) !important;
    padding: 2px 6px !important;
}

.Select--multi .Select-value-icon:hover {
    background-color: rgba(239, 68, 68, 0.2) !important;
    color: #ef4444 !important;
}

/* Animation for loading states */
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.loading {
    animation: pulse 1.5s ease-in-out infinite;
}

/* Gradient text utility */
.gradient-text {
    background: linear-gradient(135deg, var(--accent-primary) 0%, var(--info) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Enhanced card hover effects */
.card:hover {
    border-color: var(--border-emphasis) !important;
    box-shadow: var(--shadow-md) !important;
    transform: translateY(-2px);
}

/* Status indicators */
.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
    margin-right: 8px;
}

.status-dot.online { background-color: #22c55e; box-shadow: 0 0 8px rgba(34, 197, 94, 0.5); }
.status-dot.warning { background-color: #facc15; box-shadow: 0 0 8px rgba(250, 204, 21, 0.5); }
.status-dot.error { background-color: #ef4444; box-shadow: 0 0 8px rgba(239, 68, 68, 0.5); }
.status-dot.offline { background-color: #6b7280; }

/* ==================== END ==================== */