/* Relationship Duration Calculator Styles */
:root {
    --rdc-primary: #e11d48; /* Rose Red */
    --rdc-primary-hover: #be123c;
    --rdc-bg: #fff1f2; /* Very light rose */
    --rdc-card: #ffffff;
    --rdc-text: #881337;
    --rdc-text-muted: #9f1239;
    --rdc-border: #fecdd3;
    --rdc-radius: 16px;
}

.rdc-wrapper {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    max-width: 480px;
    margin: 2rem auto;
    background: var(--rdc-card);
    padding: 2rem;
    border-radius: var(--rdc-radius);
    box-shadow: 0 10px 15px -3px rgba(225, 29, 72, 0.1), 0 4px 6px -2px rgba(225, 29, 72, 0.05);
    border: 1px solid var(--rdc-border);
    box-sizing: border-box;
}

.rdc-wrapper * {
    box-sizing: border-box;
}

.rdc-header {
    text-align: center;
    margin-bottom: 1.5rem;
}

.rdc-heart {
    color: var(--rdc-primary);
    margin-bottom: 0.5rem;
}

.rdc-header h2 {
    margin: 0 0 0.5rem 0;
    font-size: 1.5rem;
    color: var(--rdc-text);
}

.rdc-header p {
    margin: 0;
    color: var(--rdc-text-muted);
    font-size: 0.95rem;
}

.rdc-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.rdc-input-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.rdc-input-group label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--rdc-text);
}

.rdc-input-group select,
.rdc-input-group input {
    padding: 0.75rem;
    border: 1px solid var(--rdc-border);
    border-radius: 8px;
    font-size: 1rem;
    width: 100%;
    background: var(--rdc-bg);
    color: var(--rdc-text);
}

.rdc-input-group select:focus,
.rdc-input-group input:focus {
    outline: 2px solid var(--rdc-primary);
    border-color: transparent;
}

.rdc-btn {
    margin-top: 0.5rem;
    padding: 0.85rem;
    background: var(--rdc-primary);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
}

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

.rdc-result {
    margin-top: 2rem;
    background: var(--rdc-bg);
    border: 1px solid var(--rdc-border);
    padding: 1.5rem;
    border-radius: 12px;
    text-align: center;
    animation: fadeIn 0.5s ease-in-out;
}

.rdc-result.hidden {
    display: none;
}

.rdc-result-header {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--rdc-primary);
    font-weight: 700;
    margin-bottom: 1rem;
}

.rdc-main-stat {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--rdc-text);
    margin-bottom: 1.5rem;
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    flex-wrap: wrap;
    align-items: baseline;
}

.rdc-main-stat span {
    font-size: 2rem;
    color: var(--rdc-primary);
}

.rdc-main-stat small {
    font-size: 1rem;
    font-weight: 400;
    color: var(--rdc-text-muted);
    margin-right: 0.5rem;
}

.rdc-sub-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    border-top: 1px solid rgba(225, 29, 72, 0.1);
    padding-top: 1rem;
}

.rdc-stat-box {
    display: flex;
    flex-direction: column;
}

.rdc-stat-box span {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--rdc-text);
}

.rdc-stat-box label {
    font-size: 0.8rem;
    color: var(--rdc-text-muted);
    text-transform: uppercase;
}

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

@media (max-width: 480px) {
    .rdc-wrapper {
        margin: 1rem;
        padding: 1.5rem;
    }
    .rdc-main-stat span {
        font-size: 1.5rem;
    }
}