/* === SIP CALCULATOR STYLES === */
:root {
    --sip-primary: #6366f1;
    --sip-secondary: #10b981;
    --sip-inflation: #f59e0b;
    --sip-bg: #f9fafb;
    --sip-card: #ffffff;
    --sip-text: #1f2937;
    --sip-muted: #6b7280;
    --sip-radius: 1rem;
    --sip-shadow: 0 8px 25px rgba(0, 0, 0, .07);
}

.sip-wrapper {
    max-width: 1200px;
    width: 100%;
    animation: sipFadeIn .6s ease-out;
    margin: 2rem auto;
}

.sip-header {
    text-align: center;
    margin-bottom: 2rem;
}

.sip-header h1 {
    font-size: 2.2rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--sip-primary), var(--sip-secondary));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.sip-header p {
    color: var(--sip-muted);
    margin-top: .5rem;
}

.sip-grid {
    display: grid;
    gap: 1.5rem;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.sip-card {
    background: var(--sip-card) !important;
    border-radius: var(--sip-radius);
    padding: 1.5rem;
    /* box-shadow: var(--sip-shadow); */
    border: 1px solid #d1d5db;  
}

.sip-input-group {
    margin-bottom: 1.5rem;
}

.sip-input-group label {
    display: block;
    font-weight: 600;
    margin-bottom: .4rem;
    color: var(--sip-text);
}

.sip-input-wrapper {
    display: flex;
    align-items: center;
    gap: .5rem;
    width: 100%;
}

.sip-input-wrapper input[type=number],
.sip-input-wrapper .sip-badge {
    padding: .6rem .8rem;
    border-radius: .5rem;
    font-size: 1rem;
    line-height: 1.2;
    height: 2.6rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.sip-input-wrapper input[type=number] {
    flex: 1;
    border: 1px solid #d1d5db;
    background: var(--sip-bg);
    color: var(--sip-text);
}

.sip-badge {
    background: var(--sip-primary);
    color: #fff;
    font-weight: 600;
    font-size: .9rem;
    min-width: 70px;
    text-align: center;
}

input[type=range] {
    width: 100% !important;
    margin-top: .5rem;
    accent-color: var(--sip-primary);
}

#sip-inflation-slider {
    accent-color: var(--sip-inflation);
}

#sip-inflation-badge {
    background: var(--sip-inflation);
}

.sip-result-grid {
    display: grid;
    gap: .8rem;
}

.sip-result-item {
    padding: 1rem;
    border-radius: .75rem;
    text-align: center;
    color: #fff;
}

.sip-result-item.sip-invested {
    background: linear-gradient(135deg, #8b5cf6, #3b82f6);
}

.sip-result-item.sip-returns {
    background: linear-gradient(135deg, var(--sip-secondary), #34d399);
}

.sip-result-item.sip-real {
    background: linear-gradient(135deg, #f97316, #fb923c);
}

.sip-result-item.sip-total {
    background: linear-gradient(135deg, var(--sip-primary), #818cf8);
}

.sip-result-item strong {
    display: block;
    font-size: .9rem;
    opacity: .9;
}

.sip-result-item span {
    font-size: 1.5rem;
    font-weight: 700;
}

.sip-chart-wrapper {
    position: relative;
    height: 260px;
}

@keyframes sipFadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 640px) {
    .sip-header h1 { font-size: 1.8rem; }
    .sip-chart-wrapper { height: 200px; }
}