/* ============================================================
   Federal Retirement & TSP Calculator — Styles
   Design system matches The Better Veteran tool suite
   ============================================================ */

:root {
    --primary: #1a365d;
    --primary-light: #2b6cb0;
    --accent: #e53e3e;
    --accent-gold: #C4A55A;
    --text-primary: #1a202c;
    --text-secondary: #4a5568;
    --text-light: #ffffff;
    --bg-page: #edf2f7;
    --bg-surface: #f7fafc;
    --bg-card: #ffffff;
    --border-color: #cbd5e0;
    --green: #276749;
    --green-light: #38a169;
    --gold: #b7791f;
    --gold-light: #d69e2e;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.07), 0 2px 4px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.1), 0 4px 10px rgba(0,0,0,0.05);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: var(--bg-page);
    color: var(--text-primary);
    padding: 20px;
    line-height: 1.5;
}

/* ── Header ──────────────────────────────────────────────── */

.header-container {
    max-width: 1100px;
    margin: 0 auto 24px;
    text-align: center;
}

.brand-header {
    margin-bottom: 8px;
    position: relative;
}

.home-btn {
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    background: var(--primary);
    color: var(--text-light);
    padding: 6px 14px;
    border-radius: var(--radius-sm);
    text-decoration: none;
    font-size: 0.82em;
    font-weight: 600;
    letter-spacing: 0.03em;
    transition: background 0.2s;
}
.home-btn:hover { background: var(--primary-light); }

.brand-name {
    font-size: 1.6em;
    font-weight: 800;
    letter-spacing: -0.02em;
}
.brand-the, .brand-better { color: var(--primary); }
.brand-veteran { color: var(--accent-gold); }

h1 {
    font-size: 1.8em;
    color: var(--primary);
    letter-spacing: -0.02em;
    margin-bottom: 4px;
    line-height: 1.2;
}

.tool-subtitle {
    font-size: 0.95em;
    color: var(--text-secondary);
    margin-top: 4px;
}

/* ── Dashboard ───────────────────────────────────────────── */

.dashboard {
    max-width: 1100px;
    margin: 0 auto;
}

.dash-row { margin-bottom: 20px; }

.section-container {
    background: var(--bg-surface);
    border-radius: var(--radius-md);
    padding: 28px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
}

h2 {
    font-size: 1.1em;
    color: var(--primary);
    border-bottom: 2px solid var(--primary-light);
    padding-bottom: 8px;
    margin-bottom: 6px;
    letter-spacing: -0.01em;
}

h3 {
    font-size: 1em;
    color: var(--primary);
    margin-bottom: 8px;
}

.section-subtitle {
    font-size: 0.85em;
    color: var(--text-secondary);
    margin-bottom: 18px;
}

/* ── Form Elements ───────────────────────────────────────── */

label {
    display: block;
    font-weight: 600;
    font-size: 0.8em;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-secondary);
    margin-top: 14px;
    margin-bottom: 4px;
}

select, input[type="number"], input[type="text"], input[type="date"], input[type="email"] {
    width: 100%;
    padding: 10px 12px;
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-sm);
    font-size: 0.95em;
    background-color: var(--bg-card);
    color: var(--text-primary);
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

select:focus, input:focus {
    outline: none;
    border-color: var(--primary-light);
    box-shadow: 0 0 0 3px rgba(43, 108, 176, 0.15);
}

.input-hint {
    font-size: 0.78em;
    color: var(--text-secondary);
    font-style: italic;
    margin-top: 3px;
    line-height: 1.4;
}

.projection-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.checkbox-row {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 10px;
}

.checkbox-row input[type="checkbox"] {
    width: auto;
    margin: 0;
    cursor: pointer;
}

.checkbox-label {
    font-size: 0.85em;
    font-weight: 500;
    text-transform: none;
    letter-spacing: 0;
    color: var(--text-primary);
    margin: 0;
    cursor: pointer;
}

.salary-display {
    font-size: 1.15em;
    font-weight: 700;
    color: var(--green);
    margin: 4px 0 0;
    padding: 8px 12px;
    background: rgba(39, 103, 73, 0.06);
    border-radius: var(--radius-sm);
    border: 1px solid rgba(39, 103, 73, 0.15);
}

.detected-badge {
    display: inline-block;
    font-size: 0.75em;
    font-weight: 600;
    color: var(--primary-light);
    background: rgba(43, 108, 176, 0.1);
    padding: 3px 10px;
    border-radius: 12px;
    margin-top: 4px;
}

.section-divider {
    border: none;
    border-top: 1px solid var(--border-color);
    margin: 20px 0;
}

/* ── Rank Estimator ──────────────────────────────────────── */

.estimator-toggle-btn {
    display: inline-block;
    background: none;
    border: none;
    color: var(--primary-light);
    font-size: 0.82em;
    font-weight: 600;
    cursor: pointer;
    padding: 6px 0;
    margin-top: 6px;
    text-decoration: underline;
    text-underline-offset: 2px;
}
.estimator-toggle-btn:hover { color: var(--primary); }

.rank-entry-row {
    display: grid;
    grid-template-columns: 1fr 80px 32px;
    gap: 8px;
    align-items: end;
    margin-bottom: 8px;
}

.rank-entry-row select,
.rank-entry-row input {
    font-size: 0.88em;
    padding: 8px 10px;
}

.rank-entry-row .remove-rank-btn {
    background: none;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--accent);
    cursor: pointer;
    font-size: 1.1em;
    padding: 8px 0;
    line-height: 1;
    transition: all 0.15s;
}
.rank-entry-row .remove-rank-btn:hover {
    background: rgba(229, 62, 62, 0.08);
    border-color: var(--accent);
}

.btn-add-rank {
    background: none;
    border: 1px dashed var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    padding: 6px 14px;
    font-size: 0.82em;
    font-weight: 600;
    margin-top: 4px;
    transition: all 0.15s;
    width: 100%;
}
.btn-add-rank:hover {
    border-color: var(--primary-light);
    color: var(--primary-light);
    background: rgba(43, 108, 176, 0.04);
}

.btn-use-estimate {
    background: var(--green);
    color: white;
    border: none;
    padding: 8px 18px;
    border-radius: var(--radius-sm);
    font-size: 0.85em;
    font-weight: 600;
    cursor: pointer;
    margin-top: 8px;
    transition: background 0.2s;
}
.btn-use-estimate:hover { background: var(--green-light); }

.rank-entry-labels {
    display: grid;
    grid-template-columns: 1fr 80px 32px;
    gap: 8px;
    margin-bottom: 4px;
}

.rank-entry-labels span {
    font-size: 0.72em;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-secondary);
}

/* ── Info Card ───────────────────────────────────────────── */

.info-card {
    background: rgba(43, 108, 176, 0.05);
    border: 1px solid rgba(43, 108, 176, 0.15);
    border-left: 4px solid var(--primary-light);
    border-radius: var(--radius-sm);
    padding: 14px 16px;
    margin-top: 16px;
    font-size: 0.88em;
    line-height: 1.5;
}

.info-card .info-title {
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 4px;
    font-size: 0.85em;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.info-card .info-row {
    display: flex;
    justify-content: space-between;
    padding: 3px 0;
}

.info-card .info-row .val {
    font-weight: 600;
}

.info-note {
    background: rgba(39, 103, 73, 0.04);
    border-left: 4px solid var(--green-light);
}

.info-note h3 {
    color: var(--green);
}

/* ── Hero Card ───────────────────────────────────────────── */

.hero-placeholder {
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-lg);
    padding: 48px 32px;
    text-align: center;
    background: var(--bg-surface);
}

.hero-placeholder-text {
    font-size: 1em;
    color: var(--text-secondary);
    font-style: italic;
}

.hero-result {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    padding: 32px;
    text-align: center;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    color: white;
}

.hero-label {
    font-size: 0.82em;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: rgba(255,255,255,0.75);
    margin-bottom: 4px;
}

.hero-amount {
    font-size: 3em;
    font-weight: 800;
    margin: 0;
    letter-spacing: -0.03em;
    line-height: 1.1;
}

.hero-detail {
    font-size: 0.9em;
    color: rgba(255,255,255,0.85);
    margin-top: 4px;
}

.hero-lifetime {
    font-size: 1.05em;
    color: rgba(255,255,255,0.9);
    margin-top: 12px;
    font-weight: 600;
}

.hero-sub-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-top: 24px;
}

.hero-sub-card {
    background: rgba(255,255,255,0.12);
    border-radius: var(--radius-md);
    padding: 14px 10px;
    text-align: center;
}

.hero-sub-label {
    font-size: 0.7em;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: rgba(255,255,255,0.65);
    margin-bottom: 4px;
}

.hero-sub-value {
    font-size: 1.3em;
    font-weight: 700;
    color: var(--text-light);
    margin: 0;
}

.hero-sub-note {
    font-size: 0.68em;
    color: rgba(255,255,255,0.55);
    margin-top: 2px;
}

/* ── Buyback ROI Cards ───────────────────────────────────── */

.buyback-roi-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 14px;
    margin-bottom: 20px;
}

.roi-card {
    background: var(--bg-card);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    padding: 16px;
    text-align: center;
}

.roi-card-label {
    font-size: 0.72em;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.roi-card-value {
    font-size: 1.4em;
    font-weight: 800;
    color: var(--primary);
    margin: 0;
}

.roi-card-value.positive { color: var(--green); }
.roi-card-value.negative { color: var(--accent); }
.roi-card-value.highlight { color: var(--gold); }

.roi-card-sub {
    font-size: 0.75em;
    color: var(--text-secondary);
    margin-top: 2px;
}

.buyback-verdict {
    background: linear-gradient(135deg, rgba(39, 103, 73, 0.08), rgba(39, 103, 73, 0.04));
    border: 1px solid rgba(39, 103, 73, 0.2);
    border-radius: var(--radius-md);
    padding: 18px 20px;
    text-align: center;
    margin-top: 16px;
}

.verdict-title {
    font-size: 0.8em;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--green);
    font-weight: 700;
    margin-bottom: 4px;
}

.verdict-line {
    font-size: 1em;
    color: var(--text-primary);
    font-weight: 600;
}

.verdict-detail {
    font-size: 0.85em;
    color: var(--text-secondary);
    margin-top: 4px;
}

.interest-warning {
    background: rgba(229, 62, 62, 0.06);
    border: 1px solid rgba(229, 62, 62, 0.2);
    border-left: 4px solid var(--accent);
    border-radius: var(--radius-sm);
    padding: 12px 16px;
    margin-top: 14px;
    font-size: 0.85em;
}

.interest-warning .warn-title {
    font-weight: 700;
    color: var(--accent);
    margin-bottom: 3px;
}

/* ── TSP Projection ──────────────────────────────────────── */

.tsp-chart-container {
    display: flex;
    margin: 20px 0 8px;
    gap: 0;
}

.tsp-y-axis {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: flex-end;
    padding: 0 8px 0 0;
    height: 200px;
}

.tsp-y-label {
    font-size: 0.7em;
    color: var(--text-secondary);
    font-weight: 500;
    white-space: nowrap;
    line-height: 1;
}

.tsp-chart-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    position: relative;
}

.tsp-grid-lines {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    pointer-events: none;
}

.tsp-grid-line {
    border-top: 1px solid rgba(0,0,0,0.06);
    width: 100%;
    height: 0;
}

.tsp-grid-line:last-child {
    border-top: none;
}

.tsp-bar-chart {
    display: flex;
    align-items: flex-end;
    gap: 2px;
    height: 200px;
    padding: 0;
    border-bottom: 2px solid var(--border-color);
    position: relative;
    z-index: 1;
}

.tsp-bar {
    flex: 1;
    min-width: 4px;
    background: linear-gradient(to top, var(--primary) 0%, var(--primary-light) 100%);
    border-radius: 3px 3px 0 0;
    transition: background 0.15s ease;
    position: relative;
    cursor: pointer;
}

.tsp-bar:hover {
    background: linear-gradient(to top, var(--primary-light) 0%, #3182ce 100%);
}

.tsp-bar-tooltip {
    display: none;
    position: absolute;
    bottom: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: white;
    padding: 6px 10px;
    border-radius: var(--radius-sm);
    font-size: 0.72em;
    font-weight: 600;
    white-space: nowrap;
    z-index: 10;
    box-shadow: var(--shadow-md);
    pointer-events: none;
    line-height: 1.4;
    text-align: center;
}

.tsp-bar-tooltip::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 5px solid transparent;
    border-top-color: var(--primary);
}

.tsp-bar:hover .tsp-bar-tooltip {
    display: block;
}

.tsp-bar-labels {
    display: flex;
    justify-content: space-between;
    font-size: 0.72em;
    color: var(--text-secondary);
    margin-top: 4px;
    padding-left: 0;
}

.tsp-chart-wrapper {
    flex: 1;
}

.tsp-summary-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
    margin-top: 16px;
}

/* ── Optimizer Table ─────────────────────────────────────── */

.optimizer-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 12px;
    font-size: 0.88em;
}

.optimizer-table th {
    text-align: left;
    padding: 10px 12px;
    background: var(--primary);
    color: var(--text-light);
    font-size: 0.78em;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    font-weight: 600;
}

.optimizer-table th:first-child { border-radius: var(--radius-sm) 0 0 0; }
.optimizer-table th:last-child { border-radius: 0 var(--radius-sm) 0 0; }

.optimizer-table td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--border-color);
}

.optimizer-table tr:last-child td { border-bottom: none; }

.optimizer-table tr.current-row {
    background: rgba(43, 108, 176, 0.06);
    font-weight: 600;
}

.optimizer-table tr.full-match-row {
    background: rgba(39, 103, 73, 0.06);
}

.optimizer-table .additional {
    color: var(--green);
    font-weight: 700;
}

.match-badge {
    display: inline-block;
    font-size: 0.7em;
    font-weight: 700;
    background: var(--green);
    color: white;
    padding: 2px 6px;
    border-radius: 8px;
    margin-left: 4px;
}

/* ── Summary Section ─────────────────────────────────────── */

.summary-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
    margin-bottom: 20px;
}

.summary-stat {
    background: var(--bg-card);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    padding: 16px;
    text-align: center;
}

.summary-stat-label {
    font-size: 0.72em;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.summary-stat-value {
    font-size: 1.25em;
    font-weight: 800;
    color: var(--primary);
}

.summary-stat-sub {
    font-size: 0.72em;
    color: var(--text-secondary);
    margin-top: 2px;
}

.summary-stat.highlight .summary-stat-value { color: var(--green); }

.summary-breakdown {
    background: var(--bg-card);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    overflow: hidden;
}

.summary-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 16px;
    border-bottom: 1px solid rgba(0,0,0,0.05);
    font-size: 0.88em;
}

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

.summary-row-label {
    color: var(--text-secondary);
}

.summary-row-value {
    font-weight: 600;
    color: var(--text-primary);
}

.summary-row-value.positive { color: var(--green); }
.summary-row-value.taxable { color: var(--primary); }
.summary-row-value.tax-free { color: var(--green); }

.summary-row.total-row {
    background: rgba(26, 54, 93, 0.04);
    font-weight: 700;
    font-size: 0.95em;
    border-top: 2px solid var(--primary);
}

.summary-row.total-row .summary-row-value { color: var(--primary); }

/* ── Trad vs Roth Comparison ─────────────────────────────── */

.trad-roth-comparison {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
    margin-top: 16px;
}

.tr-card {
    border-radius: var(--radius-md);
    padding: 18px;
    text-align: center;
    border: 2px solid transparent;
}

.tr-card.traditional {
    background: rgba(26, 54, 93, 0.05);
    border-color: rgba(26, 54, 93, 0.2);
}

.tr-card.roth {
    background: rgba(39, 103, 73, 0.05);
    border-color: rgba(39, 103, 73, 0.2);
}

.tr-card-label {
    font-size: 0.75em;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

.tr-card-amount {
    font-size: 1.5em;
    font-weight: 800;
}

.tr-card.traditional .tr-card-amount { color: var(--primary); }
.tr-card.roth .tr-card-amount { color: var(--green); }

.tr-card-detail {
    font-size: 0.78em;
    color: var(--text-secondary);
    margin-top: 4px;
}

/* ── Email & Action Bar ──────────────────────────────────── */

.email-section {
    text-align: center;
}

.email-form-row {
    display: flex;
    gap: 10px;
    max-width: 500px;
    margin: 16px auto 0;
}

.email-form-row input[type="email"] {
    flex: 1;
}

.email-status {
    font-size: 0.85em;
    margin-top: 10px;
    min-height: 1.2em;
}

.email-disclaimer {
    font-size: 0.72em;
    color: var(--text-secondary);
    margin-top: 8px;
}

.btn-primary {
    background: var(--primary);
    color: var(--text-light);
    border: none;
    padding: 10px 24px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.9em;
    cursor: pointer;
    transition: background 0.2s;
    white-space: nowrap;
}
.btn-primary:hover { background: var(--primary-light); }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-secondary {
    background: var(--bg-card);
    color: var(--primary);
    border: 1.5px solid var(--primary);
    padding: 10px 24px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.9em;
    cursor: pointer;
    transition: all 0.2s;
}
.btn-secondary:hover { background: var(--primary); color: var(--text-light); }

.action-bar {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin: 20px 0;
}

/* ── More Tools ──────────────────────────────────────────── */

.more-tools {
    max-width: 800px;
    margin: 2rem auto;
    padding: 1.5rem 2rem;
    text-align: center;
    border-top: 1px solid var(--border-color);
}

.more-tools h3 {
    font-size: 1rem;
    color: #999;
    margin-bottom: 0.75rem;
    font-weight: 500;
    border-bottom: none;
}

.more-tools .tools-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

.more-tools .tools-links a {
    color: var(--accent-gold);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s;
}
.more-tools .tools-links a:hover { color: #e0c675; text-decoration: underline; }

/* ── Footer ──────────────────────────────────────────────── */

.page-footer {
    max-width: 800px;
    margin: 2rem auto;
    text-align: center;
    font-size: 0.78em;
    color: var(--text-secondary);
    line-height: 1.5;
}

.page-footer a {
    color: var(--primary-light);
    text-decoration: none;
}
.page-footer a:hover { text-decoration: underline; }

.footer-sources {
    margin-top: 8px;
    font-size: 0.9em;
    color: #a0aec0;
}

/* ── Results Panel ───────────────────────────────────────── */

.results-panel {
    margin-top: 20px;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
}

/* ── Responsive ──────────────────────────────────────────── */

@media (max-width: 700px) {
    body { padding: 12px; }
    h1 { font-size: 1.35em; }
    .projection-grid { grid-template-columns: 1fr; gap: 0; }
    .hero-sub-cards { grid-template-columns: repeat(2, 1fr); }
    .hero-amount { font-size: 2.2em; }
    .buyback-roi-grid { grid-template-columns: repeat(2, 1fr); }
    .tsp-summary-grid { grid-template-columns: 1fr; }
    .summary-grid { grid-template-columns: 1fr; }
    .trad-roth-comparison { grid-template-columns: 1fr; }
    .email-form-row { flex-direction: column; }
    .action-bar { flex-direction: column; align-items: center; }
    .optimizer-table { font-size: 0.8em; }
    .optimizer-table th, .optimizer-table td { padding: 8px; }
    .section-container { padding: 18px; }
    .more-tools .tools-links { flex-direction: column; gap: 0.75rem; }
}

/* ── Print ───────────────────────────────────────────────── */

@media print {
    body { padding: 8px; background: white; }
    .home-btn, .action-bar, .more-tools, #email-results-container, .no-print { display: none !important; }
    .section-container { box-shadow: none; border: 1px solid #ccc; break-inside: avoid; }
    .hero-result { -webkit-print-color-adjust: exact; print-color-adjust: exact; }
    .brand-header { display: none; }
}