/* body {
    margin: 0;
    padding: 40px 20px;
    font-family: "Inter", system-ui, sans-serif;
    background: #ffffff;
    color: #333;
    display: flex;
    justify-content: center;
} */

#app {
    width: 100%;
    max-width: 900px;
    display: flex;
    flex-direction: column;
    gap: 30px;
}
#root{
	justify-items:center;
}

/* HEADER */
.header {
    text-align: center;
    color: #fff;
    padding: 28px 24px !important;
    background: linear-gradient(219deg, #FB0E76 0%, #910694 100%);
    border-radius: 16px;
    box-shadow: 0 10px 40px rgba(145, 6, 148, 0.12);
}

.header h1 {
    margin: 0 0 8px;
    font-size: clamp(1.8rem, 4vw, 2.6rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.15;
	color:white !important;
}

.header p {
    margin: 0;
    font-size: 1rem;
    opacity: 0.92;
    max-width: 520px;
    margin: 0 auto;
}

.ratio-display {
    text-align: center;
    font-size: 15px;
    font-weight: 600;
    color: #007bff;
    background: #f0f8ff;
    padding: 8px 16px;
    border-radius: 8px;
    margin: -10px auto 0 auto;
    width: max-content;
}

/* MAIN BOX */
.main-box {
    border: none;
    padding: 0;
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 30px;
    background: #ffffff;
}

.col {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.col-title {
    margin: 0 0 6px 0;
    font-size: 16px;
    font-weight: 700;
    color: #333;
}

.input-group {
    display: flex;
    align-items: stretch;
    height: 40px;
    border: 1px solid #ddd !important;
    border-radius: 4px !important;
    overflow: hidden;
}

.input-group input {
    flex-grow: 1;
    border: none;
    padding: 0 12px;
    font-size: 15px;
    color: #333;
    width: 100%;
    outline: none;
}

.input-group input::placeholder {
    color: #aaa;
}

.input-group .addon {
    background: #f4f4f4;
    border-left: 1px solid #ddd !important;
    padding: 0 14px !important;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #555;
    font-size: 14px;
    min-width: 44px;
}

.dpi-input {
    color: #666 !important;
}

.spacer {
    flex-grow: 1;
}

.result-box {
    margin-top: 10px;
    padding: 14px;
    text-align: center;
    border-radius: 4px;
    font-weight: 700;
    font-size: 16px;
    color: #222;
}

.result-blue { background: #e5f4fa; }
.result-green { background: #e9fae5; }
.result-yellow { background: #fbfbe3; }

/* Remove number arrows */
input[type="number"]::-webkit-inner-spin-button, 
input[type="number"]::-webkit-outer-spin-button { 
    -webkit-appearance: none; 
    margin: 0; 
}
input[type="number"] { -moz-appearance: textfield; }

@media (max-width: 768px) {
    .main-box {
        grid-template-columns: 1fr;
    }
}