/* =========================================================================
   ROTH VS 401K CALCULATOR — STYLES
   Prefix: r401__
   Mirrors drip__ / hta__ design system. BEM consistent. Mobile-first.
   ========================================================================= */

.r401__form {
    font-family: inherit;
    color: var(--text-1);
}

/* -------------------------------------------------------------------------
   Outer container — mobile: single column stacked | desktop: 2 columns
   ------------------------------------------------------------------------- */
.r401__container {
    display: grid;
    grid-template-columns: 1fr;
    background: var(--surface-1);
    border: 1px solid var(--border-1);
    border-radius: var(--r-lg);
    overflow: hidden;
}

@media (min-width: 768px) {
    .r401__container {
        grid-template-columns: 1fr 1fr;
    }
}

/* -------------------------------------------------------------------------
   Left column — Inputs
   ------------------------------------------------------------------------- */
.r401__inputs {
    padding: var(--sp-5);
    display: flex;
    flex-direction: column;
    gap: var(--sp-4);
    background: var(--bg);
    border-bottom: 1px solid var(--border-1);
}

@media (min-width: 768px) {
    .r401__inputs {
        padding: var(--sp-6);
        gap: var(--sp-5);
        border-bottom: none;
        border-right: 1px solid var(--border-1);
    }
}

.r401__field {
    display: flex;
    flex-direction: column;
    gap: var(--sp-2);
}

.r401__row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-3);
}

.r401__label {
    font-size: var(--text-sm);
    font-weight: 700;
    color: var(--text-2);
}

.r401__label-hint {
    font-size: 11px;
    font-weight: 500;
    color: var(--text-3);
    display: block;
    margin-top: 2px;
}

/* Input wrap */
.r401__input-wrap {
    position: relative;
    display: flex;
    align-items: center;
}

.r401__icon-prefix,
.r401__suffix {
    position: absolute;
    color: var(--text-3);
    font-weight: 700;
    pointer-events: none;
    display: flex;
    align-items: center;
}

.r401__icon-prefix {
    left: 14px;
    color: var(--text-2);
    opacity: 0.6;
}

.r401__suffix {
    right: 14px;
    font-size: var(--text-sm);
}

.r401__input {
    width: 100%;
    padding: 11px 16px;
    font-size: var(--text-lg);
    font-weight: 700;
    color: var(--text-1);
    background: var(--surface-1);
    border: 1px solid var(--border-1);
    border-radius: var(--r-md);
    outline: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: inset 0 1px 2px rgba(0,0,0,0.02);
    -moz-appearance: textfield; /* remove number spinners Firefox */
}

.r401__input::-webkit-inner-spin-button,
.r401__input::-webkit-outer-spin-button { -webkit-appearance: none; margin: 0; }

.r401__input-wrap:has(.r401__icon-prefix) .r401__input { padding-left: 42px; }
.r401__input-wrap:has(.r401__suffix) .r401__input { padding-right: 44px; }

.r401__input:focus {
    border-color: var(--accent, var(--green));
    box-shadow: 0 0 0 4px rgba(0, 93, 72, 0.1), inset 0 1px 2px rgba(0,0,0,0.02);
    background: var(--bg);
}

/* Segmented control — contribution mode toggle */
.r401__segmented-control {
    display: flex;
    background: var(--surface-2);
    padding: 5px;
    border-radius: var(--r-lg);
    gap: 4px;
    border: 1px solid var(--border-1);
}

.r401__seg-btn {
    flex: 1 1 auto;
    padding: 8px 10px;
    font-size: var(--text-sm);
    font-weight: 700;
    color: var(--text-2);
    background: transparent;
    border: none;
    border-radius: var(--r-md);
    text-align: center;
    line-height: 1.2;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    white-space: nowrap;
}

.r401__seg-btn:hover:not(.r401__seg-btn--active) {
    color: var(--text-1);
    background: rgba(0,0,0,0.03);
}

.r401__seg-btn--active {
    background: #fff;
    color: var(--accent, var(--green));
    box-shadow: 0 2px 8px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.04);
}

/* Section divider within inputs */
.r401__divider {
    height: 1px;
    background: var(--border-1);
    margin: var(--sp-1) 0;
}

.r401__section-label {
    font-size: 10px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-3);
}

/* -------------------------------------------------------------------------
   Right column — Results
   ------------------------------------------------------------------------- */
.r401__results {
    padding: var(--sp-5);
    display: flex;
    flex-direction: column;
    gap: var(--sp-3);
    background: var(--surface-1);
}

@media (min-width: 768px) {
    .r401__results {
        padding: var(--sp-6);
        gap: var(--sp-4);
    }
}

/* Winner banner */
.r401__winner-banner {
    border-radius: var(--r-md);
    padding: var(--sp-4);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.r401__winner-banner--roth {
    background: linear-gradient(135deg, rgba(0, 93, 72, 0.1) 0%, rgba(0, 168, 107, 0.06) 100%);
    border: 1.5px solid rgba(0, 93, 72, 0.25);
}

.r401__winner-banner--traditional {
    background: linear-gradient(135deg, rgba(13, 71, 161, 0.08) 0%, rgba(21, 101, 192, 0.04) 100%);
    border: 1.5px solid rgba(13, 71, 161, 0.2);
}

.r401__winner-banner--tie {
    background: linear-gradient(135deg, rgba(109, 40, 217, 0.08) 0%, rgba(109, 40, 217, 0.03) 100%);
    border: 1.5px solid rgba(109, 40, 217, 0.2);
}

.r401__winner-badge {
    display: inline-block;
    font-size: 10px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 3px 10px;
    border-radius: 50px;
    margin-bottom: 8px;
}

.r401__winner-banner--roth     .r401__winner-badge { background: rgba(0,93,72,0.12); color: var(--accent, var(--green)); }
.r401__winner-banner--traditional .r401__winner-badge { background: rgba(13,71,161,0.12); color: #1565C0; }
.r401__winner-banner--tie      .r401__winner-badge { background: rgba(109,40,217,0.12); color: #6D28D9; }

.r401__winner-value {
    display: block;
    font-size: clamp(1.7rem, 7vw, 2.4rem);
    font-weight: 900;
    letter-spacing: -0.03em;
    word-break: break-all;
}

.r401__winner-banner--roth         .r401__winner-value { color: var(--accent, var(--green)); }
.r401__winner-banner--traditional  .r401__winner-value { color: #1565C0; }
.r401__winner-banner--tie          .r401__winner-value { color: #6D28D9; }

.r401__winner-label {
    display: block;
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--text-2);
    margin-top: 4px;
}

/* Side-by-side compare table */
.r401__compare {
    background: var(--bg);
    border: 1px solid var(--border-1);
    border-radius: var(--r-md);
    overflow: hidden;
}

.r401__compare-head {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    background: var(--surface-2);
    border-bottom: 2px solid var(--border-1);
}

.r401__compare-head-cell {
    padding: 8px 10px;
    font-size: 10px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-3);
}

.r401__compare-head-cell:not(:first-child) {
    text-align: center;
    border-left: 1px solid var(--border-1);
}

.r401__compare-row {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    border-bottom: 1px solid var(--border-1);
    align-items: center;
}

.r401__compare-row:last-child { border-bottom: none; }

.r401__compare-row:nth-child(even) { background: var(--surface-2); }

.r401__compare-cell {
    padding: 9px 10px;
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--text-1);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.r401__compare-cell--label {
    color: var(--text-2);
    font-size: 12px;
    white-space: normal; /* let label wrap */
}

.r401__compare-cell:not(:first-child) {
    text-align: center;
    border-left: 1px solid var(--border-1);
    font-weight: 700;
}

.r401__compare-cell--win {
    color: var(--accent, var(--green));
    font-weight: 800;
}

.r401__compare-cell--blue { color: #1565C0; font-weight: 800; }

/* Stat 2-up grid */
.r401__stat-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--sp-2);
}

@media (min-width: 768px) {
    .r401__stat-grid { gap: var(--sp-3); }
}

.r401__stat-card {
    background: var(--bg);
    border: 1px solid var(--border-1);
    border-radius: var(--r-md);
    padding: var(--sp-3);
    text-align: center;
    min-width: 0;
    overflow: hidden;
}

@media (min-width: 768px) {
    .r401__stat-card { padding: var(--sp-4); }
}

.r401__stat-label {
    display: block;
    font-size: 10px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-3);
    margin-bottom: 4px;
}

.r401__stat-value {
    display: block;
    font-size: clamp(1rem, 4vw, var(--text-xl));
    font-weight: 800;
    color: var(--text-1);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.r401__stat-value--green  { color: var(--accent, var(--green)); }
.r401__stat-value--blue   { color: #1565C0; }
.r401__stat-value--amber  { color: #d97706; }

/* AI Insight Block */
.r401__ai-insight {
    background: linear-gradient(145deg, #f0fdf4 0%, #e6f6ec 100%);
    border: 1px solid rgba(0, 168, 107, 0.2);
    border-radius: var(--r-md);
    padding: var(--sp-4);
    box-shadow: 0 2px 8px rgba(0, 168, 107, 0.05);
}

.r401__ai-header {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: var(--text-xs);
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--accent, var(--green));
    margin-bottom: 8px;
}

.r401__ai-text {
    font-size: var(--text-sm);
    color: var(--text-1);
    line-height: 1.65;
    font-weight: 500;
    margin: 0;
}

/* -------------------------------------------------------------------------
   Chart section
   ------------------------------------------------------------------------- */
.r401__chart-section {
    margin-top: var(--sp-8);
    background: var(--surface-1);
    border: 1px solid var(--border-1);
    border-radius: var(--r-lg);
    padding: var(--sp-5);
}

@media (min-width: 768px) {
    .r401__chart-section { padding: var(--sp-6); }
}

.r401__chart-title {
    font-size: var(--text-lg);
    font-weight: 800;
    color: var(--text-1);
    margin: 0 0 var(--sp-4) 0;
}

.r401__chart-wrap {
    position: relative;
    height: 260px;
}

/* -------------------------------------------------------------------------
   Year-by-year table
   ------------------------------------------------------------------------- */
.r401__table-section {
    margin-top: var(--sp-6);
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    border: 1px solid var(--border-1);
    border-radius: var(--r-md);
}

.r401__table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--text-sm);
    min-width: 480px; /* ensure columns don't collapse on very small screens */
}

.r401__table thead th {
    padding: 10px 12px;
    text-align: right;
    font-size: 10px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-3);
    background: var(--surface-2);
    border-bottom: 2px solid var(--border-1);
    white-space: nowrap;
}

.r401__table thead th:first-child { text-align: left; }

.r401__table tbody tr { border-bottom: 1px solid var(--border-1); }
.r401__table tbody tr:hover { background: var(--surface-2); }
.r401__table tbody tr:last-child { border-bottom: none; }

.r401__table tbody td {
    padding: 10px 12px;
    text-align: right;
    font-weight: 600;
    color: var(--text-1);
    white-space: nowrap;
}

.r401__table tbody td:first-child { text-align: left; font-weight: 800; }
.r401__table .r401__td-green { color: var(--accent, var(--green)); font-weight: 800; }
.r401__table .r401__td-blue  { color: #1565C0; font-weight: 800; }

/* Disclaimer */
.r401__disclaimer {
    margin-top: var(--sp-8);
    padding: var(--sp-4);
    background: var(--surface-2);
    border-left: 3px solid var(--border-2);
    border-radius: 0 var(--r-md) var(--r-md) 0;
    font-size: var(--text-xs);
    color: var(--text-3);
    line-height: 1.6;
}

/* -------------------------------------------------------------------------
   Dark mode overrides
   ------------------------------------------------------------------------- */
[data-theme="dark"] .r401__container        { background: var(--surface-1); }
[data-theme="dark"] .r401__inputs           { background: var(--bg); }
[data-theme="dark"] .r401__input            { background: var(--bg); }
[data-theme="dark"] .r401__results          { background: var(--surface-1); }
[data-theme="dark"] .r401__compare          { background: var(--bg); }

[data-theme="dark"] .r401__segmented-control {
    background: rgba(0,0,0,0.2);
    border-color: var(--border-2);
}
[data-theme="dark"] .r401__seg-btn--active {
    background: var(--surface-3, #333);
    color: #fff;
    box-shadow: 0 2px 8px rgba(0,0,0,0.4);
}
[data-theme="dark"] .r401__winner-banner--roth {
    background: linear-gradient(135deg, rgba(0,93,72,0.2) 0%, rgba(0,168,107,0.1) 100%);
}
[data-theme="dark"] .r401__winner-banner--traditional {
    background: linear-gradient(135deg, rgba(13,71,161,0.2) 0%, rgba(21,101,192,0.1) 100%);
}
[data-theme="dark"] .r401__ai-insight {
    background: linear-gradient(145deg, rgba(0,168,107,0.1) 0%, rgba(0,93,72,0.15) 100%);
    border-color: rgba(0,168,107,0.2);
}
[data-theme="dark"] .r401__chart-section { background: var(--surface-2); }