* {
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

body {
    margin: 0;
    background-color: #0f1117;
    color: #e0e0e0;
    font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    -webkit-font-smoothing: antialiased;
}

/* Prevent text zoom on input focus (iOS/Android) */
input, select, textarea {
    font-size: 16px !important;
}

/* ── Tabs ── */
.dash-tab {
    background-color: #0f1117 !important;
    border: none !important;
    border-bottom: 2px solid transparent !important;
    color: #666 !important;
    padding: 12px 0 !important;
    flex: 1 !important;
    text-align: center !important;
    font-size: 0.82rem !important;
    font-weight: 500 !important;
    min-height: 44px !important;
}

.tab--selected {
    background-color: #0f1117 !important;
    border-bottom: 2px solid #00d4ff !important;
    color: #00d4ff !important;
}

.dash-tabs {
    border-bottom: 1px solid #222 !important;
    display: flex !important;
}

/* ── Date picker dark theme ── */
.DateInput_input {
    background-color: #1e2130 !important;
    color: #e0e0e0 !important;
    border: 1px solid #2a2d3e !important;
    border-radius: 8px !important;
    padding: 10px 12px !important;
    font-size: 16px !important;
    width: 100% !important;
}

.DateInput_input__focused {
    border-color: #00d4ff !important;
    outline: none !important;
}

.SingleDatePickerInput {
    background-color: #1e2130 !important;
    border: none !important;
    border-radius: 8px !important;
    width: 100% !important;
}

.SingleDatePicker {
    width: 100% !important;
}

.DayPicker,
.DayPicker_transitionContainer,
.CalendarMonthGrid,
.CalendarMonth {
    background-color: #1a1d2e !important;
}

.CalendarDay__default {
    background: #1a1d2e !important;
    color: #e0e0e0 !important;
    border: 1px solid #2a2d3e !important;
}

.CalendarDay__selected,
.CalendarDay__selected:hover {
    background: #00d4ff !important;
    color: #0f1117 !important;
    border-color: #00d4ff !important;
}

.CalendarDay__default:hover {
    background: #2a2d3e !important;
}

.DayPickerNavigation_button {
    border-color: #333 !important;
    background: #1a1d2e !important;
}

.DayPickerNavigation_svg__horizontal {
    fill: #e0e0e0 !important;
}

.CalendarMonth_caption {
    color: #e0e0e0 !important;
}

.DayPicker_weekHeader_li small {
    color: #888 !important;
}

/* ── Plotly ── */
.js-plotly-plot .plotly .modebar {
    display: none !important;
}

.js-plotly-plot .plotly {
    width: 100% !important;
}

/* ── Touch feedback on buttons ── */
button:active {
    opacity: 0.75;
    transform: scale(0.98);
}

/* ── Scrollable content ── */
.tab-content {
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
}

/* ── Mobile: stack layout under 400px ── */
@media (max-width: 400px) {
    h1 { font-size: 1.1rem !important; }

    .dash-tab {
        font-size: 0.72rem !important;
        padding: 10px 0 !important;
    }
}