body[data-theme="dark"] {
    --bg: #010409;
    --card: #0d1117;
    --card-muted: #151b23;
    --border: #3d444d;
    --fg: #f0f6fc;
    --fg-muted: #9198a1;
    --btn-bg: #238636;
    --btn-fg: #ffffff;
    --btn-bg-hover: #2ea043;
    --chart-1: #3b82f6;
}
body[data-theme="light"] {
    --bg: #eef0f2;
    --card: #ffffff;
    --card-muted: #e8ecf1;
    --border: #7f8489;
    --fg: #1f2328;
    --fg-muted: #5b636c;
    --btn-bg: #238636;
    --btn-fg: #ffffff;
    --btn-bg-hover: #2ea043;
    --chart-1: #3b82f6;
}
body[data-theme="dark-soft"] {
    --bg: #161b22;
    --card: #1f242c;
    --card-muted: #262c36;
    --border: #38414e;
    --fg: #e6edf3;
    --fg-muted: #848d97;
    --btn-bg: #347d39;      
    --btn-fg: #ffffff;      
    --btn-bg-hover: #46954a;
    --chart-1: #3b82f6;
}
body[data-theme="midnight"] {
    --bg: #050714;
    --card: #0c101f;
    --card-muted: #12182d;
    --border: #1f294d;
    --fg: #e6edf3;
    --fg-muted: #798cd6;
    --btn-bg: #8957e5;
    --btn-fg: #ffffff;
    --btn-bg-hover: #7a4ab3;
    --chart-1: #3b82f6;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    color: var(--fg);
}
html {
    scrollbar-width: thin;
}
body { 
    font-family: sans-serif; 
    margin: 0 auto; 
    line-height: 1.6;
    background-color: var(--bg);
    padding: 1rem;
}

main {
    margin-top: 1rem;
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: start;
    gap: 1rem;
    width: 100%;
    flex-wrap: wrap;
}

header {
    background-color: var(--card);
    padding: 8px 1.5rem;
    border: 1px solid var(--border);
    border-radius: 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 10px;
}
header span {
    font-size: 1.4rem;
    font-weight: bold;
    margin-right: 10px;
}
header p {
    font-size: 1rem;
    color: var(--fg-muted);
}
#color-toggle {
    height: 35px;
    aspect-ratio: 1/1;
    fill: var(--fg);
    padding: 5px;
    border-radius: 50%;
    border: 1px solid var(--border);
}
form, .results {
    padding: 1.5rem;
    background-color: var(--card);
    border-radius: 10px;
    width: 400px;
    border: 1px solid var(--border);
}

.form-group { 
    margin-bottom: 15px; 
}
.dbl-form-group {
    display: flex;
    flex-direction: row;
    gap: 1rem;
}

label { 
    display: block; 
    font-weight: bold; 
}

.title {
    margin-bottom: 1rem;
}

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

input, select { 
    width: 100%;
    padding: 8px; 
    margin-top: 5px; 
    box-sizing: border-box;
    border-radius: 6px;
    background-color: var(--card-muted);
    border: none;
}

button { 
    padding: 10px 15px; 
    background: var(--btn-bg);
    color: var(--btn-fg);
    border: none;
    border-radius: 6px; 
    cursor: pointer; 
    font-size: 16px;
}
button:hover {
    background-color: var(--btn-bg-hover);
}

#result { 
    padding: 15px; 
    border-left: 4px solid var(--btn-bg); 
    background: var(--card-muted); 
    display: flex;
    flex-direction: column;
    gap: 8px;
}
#result p {
    font-size: 1.1rem;
}
#result span.fair_price {
    color: green;
}
#result span.great_deal {
    color: purple;
}
#result span.overpriced_risk {
    color: red;
}

.chart-div {
    margin: 1rem 0;
    min-height: 200px;
}

@media screen and (max-width: 800px){
    body {
        flex-direction: column;
        align-items: center;
    }
    form, .results {
        width: 100%;
    }
}