/**
 * MI Fincalc - Core Design System
 * Locked branding for MarketInsiderZ calculators
 * DO NOT modify colors or typography
 */

:root {
    /* Brand Colors - LOCKED */
    --mi-primary-teal: #175873;
    --mi-accent-blue: #2196F3;
    --mi-green-gain: #10B981;
    --mi-grey-label: #64748B;
    --mi-grey-light: #94A3B8;
    --mi-grey-bg: #F8FAFC;
    --mi-white: #FFFFFF;
    --mi-border: #E2E8F0;

    /* Typography - LOCKED */
    --mi-font-family: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --mi-font-size-xs: 12px;
    --mi-font-size-sm: 14px;
    --mi-font-size-base: 16px;
    --mi-font-size-lg: 18px;
    --mi-font-size-xl: 24px;
    --mi-font-size-2xl: 32px;

    --mi-font-weight-normal: 400;
    --mi-font-weight-medium: 500;
    --mi-font-weight-semibold: 600;
    --mi-font-weight-bold: 700;

    /* Spacing */
    --mi-space-1: 4px;
    --mi-space-2: 8px;
    --mi-space-3: 12px;
    --mi-space-4: 16px;
    --mi-space-5: 20px;
    --mi-space-6: 24px;
    --mi-space-8: 32px;
    --mi-space-10: 40px;

    /* Border Radius */
    --mi-radius-sm: 6px;
    --mi-radius-md: 8px;
    --mi-radius-lg: 12px;
    --mi-radius-full: 9999px;

    /* Shadows */
    --mi-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --mi-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --mi-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

/* Calculator Container - Base Card */
.mi-calculator-card {
    background: var(--mi-white);
    border: 1px solid var(--mi-border);
    border-radius: var(--mi-radius-lg);
    padding: var(--mi-space-8);
    font-family: var(--mi-font-family);
    max-width: 1000px;
    margin: 0 auto;
    box-shadow: var(--mi-shadow-sm);
}

/* Two Column Layout */
.mi-calculator-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--mi-space-10);
}

@media (max-width: 768px) {
    .mi-calculator-layout {
        grid-template-columns: 1fr;
        gap: var(--mi-space-6);
    }
}

/* Tabs Component */
.mi-tabs {
    display: flex;
    gap: var(--mi-space-2);
    margin-bottom: var(--mi-space-6);
    border-bottom: 2px solid var(--mi-border);
}

.mi-tab {
    padding: var(--mi-space-3) var(--mi-space-6);
    background: none;
    border: none;
    font-family: var(--mi-font-family);
    font-size: var(--mi-font-size-base);
    font-weight: var(--mi-font-weight-medium);
    color: var(--mi-grey-label);
    cursor: pointer;
    position: relative;
    transition: color 0.2s ease;
}

.mi-tab:hover {
    color: var(--mi-primary-teal);
}

.mi-tab.active {
    color: var(--mi-primary-teal);
    font-weight: var(--mi-font-weight-semibold);
}

.mi-tab.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--mi-primary-teal);
}

/* Tab Content */
.mi-tab-content {
    display: none;
}

.mi-tab-content.active {
    display: block;
}


/* Input Group */
.mi-input-group {
    margin-bottom: var(--mi-space-6);
}

.mi-input-label {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--mi-space-3);
    font-size: var(--mi-font-size-sm);
    color: var(--mi-grey-label);
    font-weight: var(--mi-font-weight-medium);
}

/* Value Pill */
.mi-value-pill {
    display: inline-flex;
    align-items: center;
    gap: var(--mi-space-1);
    padding: var(--mi-space-1) var(--mi-space-3);
    background: var(--mi-grey-bg);
    border-radius: var(--mi-radius-full);
    font-size: var(--mi-font-size-sm);
    font-weight: var(--mi-font-weight-semibold);
    color: var(--mi-primary-teal);
}

/* Slider Component */
.mi-slider-container {
    position: relative;
}

.mi-slider {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 6px;
    border-radius: var(--mi-radius-full);
    background: var(--mi-grey-bg);
    outline: none;
    background-image: linear-gradient(var(--mi-accent-blue), var(--mi-accent-blue));
    background-size: 50% 100%;
    background-repeat: no-repeat;
}

.mi-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--mi-accent-blue);
    cursor: pointer;
    box-shadow: var(--mi-shadow-md);
    transition: transform 0.2s ease;
}

.mi-slider::-webkit-slider-thumb:hover {
    transform: scale(1.1);
}

.mi-slider::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--mi-accent-blue);
    cursor: pointer;
    border: none;
    box-shadow: var(--mi-shadow-md);
    transition: transform 0.2s ease;
}

.mi-slider::-moz-range-thumb:hover {
    transform: scale(1.1);
}

/* Results Section */
.mi-results-section {
    display: flex;
    flex-direction: column;
    gap: var(--mi-space-6);
}

/* Result Summary Card */
.mi-result-summary {
    background: var(--mi-grey-bg);
    border-radius: var(--mi-radius-md);
    padding: var(--mi-space-6);
}

.mi-result-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--mi-space-3) 0;
}

.mi-result-row:not(:last-child) {
    border-bottom: 1px solid var(--mi-border);
}

.mi-result-label {
    font-size: var(--mi-font-size-sm);
    color: var(--mi-grey-label);
    font-weight: var(--mi-font-weight-medium);
}

.mi-result-value {
    font-size: var(--mi-font-size-base);
    font-weight: var(--mi-font-weight-semibold);
    color: var(--mi-primary-teal);
}

.mi-result-value.invested {
    color: var(--mi-grey-label);
}

.mi-result-value.returns {
    color: var(--mi-green-gain);
}

.mi-result-value.total {
    font-size: var(--mi-font-size-xl);
    color: var(--mi-primary-teal);
}

/* Chart Container */
.mi-chart-container {
    position: relative;
    width: 100%;
    max-width: 280px;
    margin: 0 auto;
    aspect-ratio: 1;
}

/* Utility Classes */
.mi-text-center {
    text-align: center;
}

.mi-mb-2 {
    margin-bottom: var(--mi-space-2);
}

.mi-mb-3 {
    margin-bottom: var(--mi-space-3);
}

.mi-mb-4 {
    margin-bottom: var(--mi-space-4);
}

.mi-mb-6 {
    margin-bottom: var(--mi-space-6);
}

.mi-mt-2 {
    margin-top: var(--mi-space-2);
}

.mi-mt-4 {
    margin-top: var(--mi-space-4);
}

.mi-mt-6 {
    margin-top: var(--mi-space-6);
}

/* Year-wise Breakdown Section */
.mi-yearwise-section {
    margin-top: var(--mi-space-8);
    padding-top: var(--mi-space-8);
    border-top: 2px solid var(--mi-border);
}

.mi-yearwise-title {
    font-size: var(--mi-font-size-lg);
    font-weight: var(--mi-font-weight-semibold);
    background: linear-gradient(135deg, var(--mi-primary-teal), var(--mi-accent-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--mi-space-4);
}

.mi-yearwise-table-container {
    overflow-x: auto;
    border-radius: var(--mi-radius-md);
    box-shadow: var(--mi-shadow-md);
    border: 1px solid var(--mi-border);
}

.mi-yearwise-table {
    width: 100%;
    border-collapse: collapse;
    font-family: var(--mi-font-family);
}

.mi-yearwise-table thead {
    background: linear-gradient(135deg, var(--mi-primary-teal), var(--mi-accent-blue));
}

.mi-yearwise-table th {
    padding: var(--mi-space-4);
    text-align: left;
    font-size: var(--mi-font-size-sm);
    font-weight: var(--mi-font-weight-semibold);
    color: var(--mi-white);
    border: none;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.mi-yearwise-table th:first-child {
    border-radius: var(--mi-radius-md) 0 0 0;
}

.mi-yearwise-table th:last-child {
    border-radius: 0 var(--mi-radius-md) 0 0;
}

.mi-yearwise-table td {
    padding: var(--mi-space-3) var(--mi-space-4);
    font-size: var(--mi-font-size-sm);
    color: var(--mi-grey-label);
    border-bottom: 1px solid var(--mi-border);
    font-weight: var(--mi-font-weight-medium);
}

/* First column (Year) styling */
.mi-yearwise-table tbody td:first-child {
    font-weight: var(--mi-font-weight-semibold);
    color: var(--mi-primary-teal);
    background: linear-gradient(90deg, rgba(33, 150, 243, 0.05), transparent);
}

/* Alternating row colors */
.mi-yearwise-table tbody tr:nth-child(even) {
    background: rgba(23, 88, 115, 0.02);
}

.mi-yearwise-table tbody tr:nth-child(odd) {
    background: var(--mi-white);
}

/* Hover effect */
.mi-yearwise-table tbody tr:hover {
    background: linear-gradient(90deg, rgba(33, 150, 243, 0.08), rgba(23, 88, 115, 0.08));
    transform: scale(1.001);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
    transition: all 0.2s ease;
}

/* Last row special styling */
.mi-yearwise-table tbody tr:last-child {
    border-bottom: 3px solid var(--mi-primary-teal);
}

.mi-yearwise-table tbody tr:last-child td {
    font-weight: var(--mi-font-weight-semibold);
    border-bottom: none;
}

/* Value highlighting */
.mi-yearwise-table tbody td:nth-child(2) {
    color: var(--mi-grey-label);
}

.mi-yearwise-table tbody td:nth-child(3) {
    color: var(--mi-green-gain);
    font-weight: var(--mi-font-weight-semibold);
}

.mi-yearwise-table tbody td:nth-child(4) {
    color: var(--mi-primary-teal);
    font-weight: var(--mi-font-weight-bold);
}

/* Responsive table on mobile */
@media (max-width: 768px) {
    .mi-yearwise-table {
        font-size: var(--mi-font-size-xs);
    }

    .mi-yearwise-table th,
    .mi-yearwise-table td {
        padding: var(--mi-space-2) var(--mi-space-3);
    }

    .mi-yearwise-table th {
        font-size: 11px;
    }
}

/* Accordion Styles */
.mi-accordion-header {
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    user-select: none;
    position: relative;
    padding-right: var(--mi-space-4);
}

.mi-accordion-header::after {
    content: '';
    display: block;
    width: 8px;
    height: 8px;
    border-right: 2px solid var(--mi-primary-teal);
    border-bottom: 2px solid var(--mi-primary-teal);
    transform: rotate(45deg);
    transition: transform 0.2s ease;
    /* Reset text fill for the chevron since parent has gradient text */
    -webkit-text-fill-color: var(--mi-primary-teal);
    color: var(--mi-primary-teal);
}

.mi-accordion-header.active::after {
    transform: rotate(-135deg);
}

/* Gratuity Specific Styles */

/* Rule Toggle (Card like Radio) */
.mi-rule-toggle-container {
    display: flex;
    gap: var(--mi-space-4);
    margin-bottom: var(--mi-space-8);
}

.mi-rule-radio {
    flex: 1;
    position: relative;
    cursor: pointer;
}

.mi-rule-radio input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
}

.mi-rule-content {
    display: flex;
    flex-direction: column;
    padding: var(--mi-space-4);
    border: 2px solid var(--mi-border);
    border-radius: var(--mi-radius-md);
    background: var(--mi-white);
    transition: all 0.2s ease;
}

.mi-rule-radio input:checked+.mi-rule-content {
    border-color: var(--mi-primary-teal);
    background: rgba(23, 88, 115, 0.05);
}

.mi-rule-title {
    font-weight: var(--mi-font-weight-bold);
    color: var(--mi-primary-teal);
    margin-bottom: var(--mi-space-1);
    font-size: var(--mi-font-size-base);
}

.mi-rule-desc {
    font-size: var(--mi-font-size-xs);
    color: var(--mi-grey-label);
}

/* Radio Group (Standard) */
.mi-radio-group {
    display: flex;
    flex-direction: column;
    gap: var(--mi-space-2);
}

.mi-radio-group label {
    display: flex;
    align-items: center;
    gap: var(--mi-space-2);
    cursor: pointer;
    font-size: var(--mi-font-size-sm);
    color: var(--mi-gray-label);
}

/* Status Box */
.mi-status-box {
    margin-top: var(--mi-space-6);
    padding: var(--mi-space-4);
    border-radius: var(--mi-radius-md);
    font-size: var(--mi-font-size-sm);
    font-weight: var(--mi-font-weight-medium);
    text-align: center;
    background: var(--mi-grey-bg);
    color: var(--mi-grey-label);
}

.mi-status-box.eligible {
    background: rgba(16, 185, 129, 0.1);
    color: #065f46;
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.mi-status-box.not-eligible {
    background: rgba(239, 68, 68, 0.1);
    color: #991b1b;
    border: 1px solid rgba(239, 68, 68, 0.2);
}

/* Gratuity Number Inputs */
.mi-number-input {
    width: 100%;
    padding: 8px;
    border: 1px solid var(--mi-border);
    border-radius: var(--mi-radius-sm);
    font-family: var(--mi-font-family);
    font-size: var(--mi-font-size-sm);
}

.mi-number-input:focus {
    outline: none;
    border-color: var(--mi-accent-blue);
}

@media (max-width: 600px) {
    .mi-rule-toggle-container {
        flex-direction: column;
        gap: var(--mi-space-2);
    }
}

/* Tooltip Styles */
.mi-tooltip {
    position: relative;
    display: inline-block;
    cursor: help;
    margin-left: 6px;
    color: var(--mi-grey-light);
}

.mi-tooltip:hover {
    color: var(--mi-primary-teal);
}

.mi-tooltip-icon {
    font-size: 14px;
    line-height: 1;
}

.mi-tooltip-content {
    visibility: hidden;
    width: 240px;
    background-color: #334155;
    color: #fff;
    text-align: center;
    border-radius: var(--mi-radius-sm);
    padding: 8px 12px;
    position: absolute;
    z-index: 10;
    bottom: 125%;
    left: 50%;
    transform: translateX(-50%);
    opacity: 0;
    transition: opacity 0.2s;
    font-size: 12px;
    font-weight: normal;
    line-height: 1.4;
    box-shadow: 0 4px 20px -2px rgba(0, 0, 0, 0.08);
    /* More diffuse, premium shadow */
    border: 1px solid #e2e8f0;
}

/* Global Utility: Hide Number Spinners */
/* For Chrome, Safari, Edge, Opera */
.mi-fincalc-container input::-webkit-outer-spin-button,
.mi-fincalc-container input::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

/* For Firefox */
.mi-fincalc-container input[type=number] {
    -moz-appearance: textfield;
    appearance: textfield;
}

.mi-tooltip-content::after {
    content: "";
    position: absolute;
    top: 100%;
    left: 50%;
    margin-left: -5px;
    border-width: 5px;
    border-style: solid;
    border-color: #334155 transparent transparent transparent;
}

.mi-tooltip:hover .mi-tooltip-content {
    visibility: visible;
    opacity: 1;
}

/* --- Professional UI Utilities (Phase 19) --- */

/* Segmented Control (Text-based Tabs) */
.mi-segmented-control {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
    border-bottom: 1px solid var(--mi-border);
    margin-bottom: 30px;
}

.mi-segment-item {
    font-family: var(--mi-font-family);
    font-size: 15px;
    color: var(--mi-grey-label);
    padding-bottom: 12px;
    cursor: pointer;
    position: relative;
    transition: color 0.2s;
    user-select: none;
}

.mi-segment-item:hover {
    color: var(--mi-primary-teal);
}

.mi-segment-item.active {
    color: var(--mi-primary-teal);
    font-weight: 600;
}

.mi-segment-item.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--mi-primary-teal);
}

/* Minimalist Clean Input Group */
.mi-clean-input-group {
    margin-bottom: 25px;
}

.mi-clean-label {
    display: block;
    font-size: 14px;
    color: #475569;
    /* Slate 600 */
    margin-bottom: 8px;
    font-weight: 500;
}

.mi-clean-input {
    width: 100%;
    padding: 10px 12px;
    font-size: 16px;
    border: 1px solid #cbd5e1;
    /* Slate 300 */
    border-radius: 6px;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    color: #0f172a;
    /* Slate 900 */
    background: #fff;
    height: 48px;
    /* Taller touch target */
}

.mi-clean-input:hover {
    border-color: #94a3b8;
}

.mi-clean-input:focus {
    outline: none;
    border-color: var(--mi-primary-teal);
    box-shadow: 0 0 0 3px rgba(13, 148, 136, 0.15);
    /* Soft Teal Glow */
    background: #fff;
}

/* Input Wrapper for Currency Symbol */
.mi-input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.mi-currency-symbol {
    position: absolute;
    left: 14px;
    color: #64748b;
    font-weight: 500;
    font-size: 16px;
    pointer-events: none;
    z-index: 2;
    transition: color 0.2s;
}

/* Highlight symbol on input focus */
.mi-input-wrapper:focus-within .mi-currency-symbol {
    color: var(--mi-primary-teal);
}

.mi-input-wrapper .mi-clean-input {
    padding-left: 32px;
    /* More breathing room */
}

.mi-clean-input::placeholder {
    color: #94a3b8;
    font-size: 14px;
}

/* Ledger Table (Results) */
.mi-ledger-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
    color: #334155;
}

.mi-ledger-table td {
    padding: 8px 0;
    vertical-align: bottom;
}

.mi-ledger-table tr.total-row {
    border-top: 1px solid #e2e8f0;
    font-weight: 600;
    color: #0f172a;
}

.mi-ledger-table tr.total-row td {
    padding-top: 12px;
    padding-bottom: 12px;
}

.mi-ledger-label {
    text-align: left;
}

.mi-ledger-value {
    text-align: right;
    font-feature-settings: "tnum";
    font-variant-numeric: tabular-nums;
}

.mi-text-muted {
    font-size: 13px;
    color: #64748b;
}

.mi-text-success {
    color: #166534;
}

.mi-text-danger {
    color: #b91c1c;
}

/* Regime Selector Dropdown - Premium */
.mi-regime-selector-wrapper {
    margin-top: 25px;
    text-align: center;
    position: relative;
    display: inline-block;
    width: 100%;
}