:root {
    --primary: #2563eb;
    --primary-hover: #1d4ed8;
    --success: #059669;
    --warning: #d97706;
    --danger: #dc2626;
    --bg: #f8fafc;
    --text: #0f172a;
    --text-muted: #64748b;
    --card-bg: #ffffff;
    --border: #e2e8f0;
    --highlight: #eff6ff;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.5;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

header {
    background-color: var(--text);
    color: white;
    padding: 4rem 0;
    text-align: center;
}

.logo {
    font-weight: 800;
    font-size: 1.25rem;
    letter-spacing: -0.025em;
    margin-bottom: 1rem;
    color: var(--primary);
}

h1 {
    font-size: 2.5rem;
    font-weight: 800;
    letter-spacing: -0.05em;
    margin-bottom: 1rem;
}

.subtitle {
    font-size: 1.25rem;
    color: #94a3b8;
    max-width: 600px;
    margin: 0 auto;
}

main {
    margin-top: -3rem;
    padding-bottom: 4rem;
}

.grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

@media (max-width: 768px) {
    .grid {
        grid-template-columns: 1fr;
    }
    h1 {
        font-size: 2rem;
    }
}

.card {
    background-color: var(--card-bg);
    border-radius: 1rem;
    padding: 2rem;
    box-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    border: 1px solid var(--border);
}

.card.highlight {
    border: 2px solid var(--primary);
    background-color: var(--highlight);
}

h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-muted);
}

input, select {
    width: 100%;
    padding: 0.75rem;
    border-radius: 0.5rem;
    border: 1px solid var(--border);
    font-size: 1rem;
    font-family: inherit;
}

input:focus, select:focus {
    outline: none;
    border-color: var(--primary);
    ring: 2px solid var(--primary);
}

.input-group {
    display: flex;
    align-items: center;
}

.input-group span {
    background-color: var(--border);
    padding: 0.75rem 1rem;
    border-radius: 0.5rem 0 0 0.5rem;
    border: 1px solid var(--border);
    border-right: none;
    font-weight: 600;
}

.input-group input {
    border-radius: 0 0.5rem 0.5rem 0;
}

hr {
    margin: 2rem 0;
    border: none;
    border-top: 1px solid var(--border);
}

.actions {
    text-align: center;
}

.btn-primary {
    background-color: var(--primary);
    color: white;
    padding: 1.25rem 2.5rem;
    border-radius: 9999px;
    font-size: 1.25rem;
    font-weight: 700;
    border: none;
    cursor: pointer;
    transition: background-color 0.2s;
    width: 100%;
    max-width: 400px;
}

.btn-primary:hover {
    background-color: var(--primary-hover);
}

.disclaimer-note {
    margin-top: 1rem;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.result-card {
    margin-top: 3rem;
    animation: fadeIn 0.5s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.verdict {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    border-radius: 9999px;
    font-weight: 800;
    text-transform: uppercase;
    font-size: 0.875rem;
    margin-bottom: 1.5rem;
}

.verdict.success { background-color: #d1fae5; color: var(--success); }
.verdict.warning { background-color: #fef3c7; color: var(--warning); }
.verdict.danger { background-color: #fee2e2; color: var(--danger); }

.result-main {
    margin-bottom: 2rem;
}

.result-main .label {
    display: block;
    font-size: 1.125rem;
    color: var(--text-muted);
}

.result-main .value {
    font-size: 4rem;
    font-weight: 800;
    letter-spacing: -0.05em;
}

.result-main .value.plus { color: var(--success); }
.result-main .value.minus { color: var(--danger); }

.result-details {
    border-top: 2px solid var(--border);
    padding-top: 2rem;
    margin-bottom: 2rem;
}

.detail-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: 1rem;
    font-size: 1.125rem;
}

.detail-row .val { font-weight: 600; }

.break-even {
    background-color: var(--highlight);
    padding: 1.5rem;
    border-radius: 0.75rem;
    margin-bottom: 2rem;
}

.break-even h3 {
    font-size: 1rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

.field-hint {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 0.375rem;
}

.effective-rate-section {
    background: linear-gradient(135deg, #1e3a5f 0%, #0f172a 100%);
    border-radius: 1rem;
    padding: 2rem;
    margin-bottom: 2rem;
    color: white;
}

.effective-rate-section h3 {
    font-size: 1.125rem;
    font-weight: 700;
    color: #93c5fd;
    margin-bottom: 0.375rem;
}

.effective-rate-subtitle {
    font-size: 0.875rem;
    color: #94a3b8;
    margin-bottom: 1.5rem;
}

.rate-compare {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.25rem;
}

.rate-box {
    flex: 1;
    background: rgba(255,255,255,0.07);
    border-radius: 0.75rem;
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    text-align: center;
}

.rate-box-new {
    background: rgba(37, 99, 235, 0.3);
    border: 1px solid #3b82f6;
}

.rate-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: #94a3b8;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.rate-value {
    font-size: 2rem;
    font-weight: 800;
    color: white;
    letter-spacing: -0.03em;
}

.rate-sublabel {
    font-size: 0.75rem;
    color: #64748b;
}

.rate-arrow {
    font-size: 1.5rem;
    color: #475569;
    flex-shrink: 0;
}

.rate-delta-line {
    font-size: 0.9rem;
    color: #94a3b8;
    text-align: center;
}

.rate-delta-positive { color: #34d399; }
.rate-delta-negative { color: #f87171; }

@media (max-width: 480px) {
    .rate-compare { flex-direction: column; }
    .rate-arrow { transform: rotate(90deg); }
}

.cta-box {
    background-color: var(--text);
    color: white;
    padding: 2.5rem;
    border-radius: 1rem;
    text-align: center;
}

.cta-box h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.cta-box p {
    margin-bottom: 2rem;
    color: #94a3b8;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn-secondary {
    display: inline-block;
    background-color: white;
    color: var(--text);
    padding: 1rem 2rem;
    border-radius: 9999px;
    font-weight: 700;
    text-decoration: none;
    transition: background-color 0.2s;
}

.btn-secondary:hover {
    background-color: #e2e8f0;
}

.btn-reddit {
    display: inline-block;
    background: linear-gradient(135deg, #ff6b35 0%, #ff4500 100%);
    color: white;
    padding: 1rem 2rem;
    border-radius: 9999px;
    font-weight: 700;
    text-decoration: none;
    border: 0;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    font-family: inherit;
    font-size: 1rem;
    box-shadow: 0 10px 24px rgba(255, 69, 0, 0.22);
}

.btn-reddit:hover {
    transform: translateY(-1px);
    box-shadow: 0 14px 30px rgba(255, 69, 0, 0.28);
}

.btn-outline {
    display: inline-block;
    background-color: transparent;
    color: white;
    padding: 1rem 2rem;
    border-radius: 9999px;
    font-weight: 700;
    text-decoration: none;
    border: 2px solid white;
    cursor: pointer;
    transition: all 0.2s;
    font-family: inherit;
    font-size: 1rem;
}

.btn-outline:hover {
    background-color: white;
    color: var(--text);
}

/* Smart Recommendations */
.smart-recs {
    margin-bottom: 2rem;
}

.smart-recs-label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
}

.smart-recs-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 0.75rem;
}

.rec-card {
    display: flex;
    align-items: flex-start;
    gap: 0.875rem;
    background: white;
    border: 1px solid var(--border);
    border-radius: 0.75rem;
    padding: 1rem 1.125rem;
    text-decoration: none;
    color: var(--text);
    transition: border-color 0.15s, box-shadow 0.15s;
}

.rec-card:hover {
    border-color: var(--primary);
    box-shadow: 0 2px 8px rgba(37,99,235,0.1);
}

.rec-icon {
    font-size: 1.375rem;
    flex-shrink: 0;
    margin-top: 0.1rem;
}

.rec-body {}

.rec-title {
    font-size: 0.9rem;
    font-weight: 700;
    margin-bottom: 0.2rem;
}

.rec-desc {
    font-size: 0.8rem;
    color: var(--text-muted);
    line-height: 1.4;
}

.smart-recs-disclaimer {
    font-size: 0.7rem;
    color: #94a3b8;
    margin-top: 0.625rem;
}

footer {
    text-align: center;
    padding: 4rem 0;
    color: var(--text-muted);
    font-size: 0.875rem;
}

footer p {
    margin-bottom: 0.5rem;
}

/* RTO Tax Section */
.rto-tax-section {
    background: linear-gradient(135deg, #fff7ed 0%, #fef3c7 100%);
    border: 2px solid #f59e0b;
    border-radius: 1rem;
    padding: 1.75rem 2rem;
    margin-bottom: 2rem;
}

.rto-tax-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.rto-tax-icon {
    font-size: 1.5rem;
}

.rto-tax-header h3 {
    font-size: 1.25rem;
    font-weight: 800;
    color: #92400e;
    margin: 0;
}

.rto-tax-tagline {
    font-size: 0.85rem;
    color: #b45309;
    font-style: italic;
    margin-top: 0.25rem;
}

.rto-tax-total {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    margin-bottom: 1rem;
}

.rto-label {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #92400e;
    margin-bottom: 0.25rem;
}

.rto-value {
    font-size: 2rem;
    font-weight: 800;
    color: #dc2626;
    line-height: 1.1;
}

.rto-sublabel {
    font-size: 0.875rem;
    color: #b45309;
    margin-top: 0.25rem;
}

.rto-breakdown {
    margin-bottom: 0.5rem;
}

.rto-time-box {
    background: rgba(255, 255, 255, 0.6);
    border-radius: 0.5rem;
    padding: 0.75rem 1rem;
    margin-top: 0.75rem;
}

.rto-total-with-time {
    border-top: 1px solid #f59e0b;
    padding-top: 0.5rem;
    margin-top: 0.5rem;
    font-weight: 700;
}

.rto-note {
    font-size: 0.75rem;
    color: #b45309;
    margin-top: 1rem;
}

/* Mode Toggle */
.mode-toggle {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    margin: 2rem 0 1.5rem;
}

.mode-btn {
    padding: 0.625rem 1.5rem;
    border-radius: 9999px;
    border: 2px solid var(--border);
    background: white;
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.15s;
    font-family: inherit;
}

.mode-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
}

.mode-btn.active {
    background: var(--primary);
    border-color: var(--primary);
    color: white;
}

/* Extra Shift Results */
.es-rate-box {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: linear-gradient(135deg, #1e3a5f 0%, #0f172a 100%);
    border-radius: 1rem;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    color: white;
}

.es-rate-inner {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 0.25rem;
}

.es-rate-label {
    font-size: 0.7rem;
    font-weight: 600;
    color: #94a3b8;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.es-rate-val {
    font-size: 1.5rem;
    font-weight: 800;
    color: white;
    letter-spacing: -0.02em;
}

.es-rate-arrow {
    font-size: 1.25rem;
    color: #475569;
    flex-shrink: 0;
}

@media (max-width: 480px) {
    .es-rate-box { flex-direction: column; }
    .es-rate-arrow { transform: rotate(90deg); }
}

/* CTA Email Form */
.cta-email-row {
    display: flex;
    gap: 0.5rem;
    max-width: 440px;
    margin: 1rem auto 0;
}

.cta-email-input {
    flex: 1;
    padding: 0.75rem 1rem;
    border-radius: 9999px;
    border: 2px solid #334155;
    background: #1e293b;
    color: white;
    font-size: 0.95rem;
    font-family: inherit;
}

.cta-email-input::placeholder { color: #64748b; }
.cta-email-input:focus { outline: none; border-color: var(--primary); }

.btn-cta-subscribe {
    padding: 0.75rem 1.5rem;
    border-radius: 9999px;
    border: none;
    background: var(--primary);
    color: white;
    font-weight: 700;
    font-size: 0.95rem;
    cursor: pointer;
    transition: background-color 0.15s;
    font-family: inherit;
    white-space: nowrap;
}

.btn-cta-subscribe:hover { background: var(--primary-hover); }

.cta-divider {
    color: #475569;
    font-size: 0.8rem;
    margin: 1rem 0 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

@media (max-width: 480px) {
    .cta-email-row { flex-direction: column; }
    .mode-toggle { flex-direction: column; align-items: center; }
}