/* Globals */

* {
    box-sizing: border-box;
}

:root {
    --clr-gray: #b8c8cf;
    --clr-orange: orange;
    --clr-blue: #003399;
    --clr-dark-blue: #000066;
}

body {
    margin: 0;
    padding: 0;
    background: linear-gradient(var(--clr-blue) 50%, white 90%) no-repeat;
    font-family: "Inter", sans-serif;
}

input {
    font-family: "Inter", sans-serif;
    font-weight: 600;
    font-size: 16px;

    padding-left: 1.2rem;

    width: 100%;
    height: 50px;

    border: 2px solid var(--clr-gray);
    border-radius: 20px;
}

input:focus {
    -webkit-appearance: none;
    outline: none;
    border-color: var(--clr-blue);
}

h1,
p {
    margin: 0;
}

/* Buttons */

.date-btn {
    border: 0;
    border-radius: 25px;
    background-color: white;
    color: var(--clr-gray);
    padding: 8px 16px;

    font-weight: bold;
}

.date-btn:hover {
    background-color: var(--clr-gray);
    color: white;
}

.switch-btn {
    border-radius: 50px;
    border: 2px solid var(--clr-gray);
    height: 50px;
    width: 50px;
    color: var(--clr-blue);

    margin: 0 auto 0 auto;

    background-color: transparent;

    grid-column-start: 2;
    grid-row-start: 2;

    cursor: pointer;
}

.switch-btn:hover {
    background-color: var(--clr-gray);
    color: white;
}

.selected {
    background-color: var(--clr-blue);
    color: white;
}

/* Dropdown option styles */

.dropdown__content {
    display: none;
    width: 100%;
    max-height: 12.5rem;
    overflow-y: scroll;
}

.dropdown {
    position: relative;
}

.dropdown__content option {
    padding-top: 1rem;
    padding-bottom: 1rem;
    padding-left: 1.2rem;
    width: 100%;
    background-color: white;
    text-align: left;
}

.dropdown__content option:hover {
    background-color: gray;
}

.dropdown-active {
    display: block;
    position: absolute;
}

.hide {
    display: none;
}

.highlight {
    color: var(--clr-blue);
    font-weight: 600;
}

/* Container */

.container {
    border-radius: 12px;
    border: 3px solid var(--clr-blue);
    background-color: white;
    text-align: center;
    margin: auto;
    padding: 5rem 5rem;
    max-width: 90rem;

    box-shadow: 0 14px 28px rgba(0, 0, 0, 0.25), 0 10px 10px rgba(0, 0, 0, 0.22);
}

/* Header styles */

.header {
    background-color: var(--clr-blue);
    color: white;
    text-align: center;
}

.header h1 {
    padding: 2rem 0;
}

.header p {
    padding-bottom: 2rem;
}

/* Grid */

.grid {
    display: grid;
    grid-template-columns: 1fr 0.1fr 1fr;
    grid-template-rows: auto;
}

/* Label styles */

.from {
    grid-column-start: 1;
    grid-row-start: 2;
}

.from-text {
    grid-column-start: 1;
    justify-self: start;

    margin-bottom: 0.3rem;
    margin-left: 0;
    margin-right: 0;
    margin-top: auto;
}

.to-text {
    grid-column-start: 3;
    justify-self: start;

    margin-bottom: 0.3rem;
    margin-left: 0;
    margin-right: 0;
    margin-top: auto;
}

.to {
    grid-column-start: 3;
    grid-row-start: 2;
}

/* Graph styles */

.graph__controls {
    position: relative;
    padding-top: 2rem;
}

.graph__info {
    display: flex;
    justify-content: space-between;
    align-items: center;

    color: var(--clr-dark-blue);
}

.graph {
    margin: 0 auto 0 auto;
    width: 100%;
    height: 300px;
}

.graph__container {
    padding-bottom: 8rem;
}

/* Canvas */

canvas {
    width: 100%;
    height: 100%;
}

/*
***
* Media queries
***
* This section changes
* layout for better view on mobile
***
*/
@media screen and (max-width: 62.5rem) {
    .container {
        padding: 0 0.2rem;
    }

    .graph__label {
        display: none;
    }

    .graph__info {
        justify-content: center;
    }
}