/* Variables */

:root {
    --body-color: rgb(247, 250, 252);
    --button-color: rgb(11, 137, 240);
    --accent-color: #0768d6;
    --link-color: #ffffff;
    --font-color: rgb(105, 115, 134);
    --body-font-family: -apple-system, BlinkMacSystemFont, sans-serif;
    --radius: 6px;
    --form-width: 400px;
}


/* Base */

* {
    box-sizing: border-box;
}


/* Layout */

.sr-root {
    display: flex;
    flex-direction: row;
    width: 100%;
    max-width: 980px;
    padding: 48px;
    align-content: center;
    justify-content: center;
    height: auto;
    min-height: 100vh;
    margin: 0 auto;
}

.sr-main {
    display: flex;
    flex-direction: column;
    justify-content: center;
    height: 100%;
    align-self: center;
    padding: 75px 50px;
    background: var(--body-color);
    width: var(--form-width);
    border-radius: var(--radius);
    box-shadow: 0px 0px 0px 0.5px rgba(50, 50, 93, 0.1), 0px 2px 5px 0px rgba(50, 50, 93, 0.1), 0px 1px 1.5px 0px rgba(0, 0, 0, 0.07);
}

.sr-field-error {
    color: var(--font-color);
    text-align: left;
    font-size: 13px;
    line-height: 17px;
    margin-top: 12px;
}


/* Inputs */

.sr-input,
input[type="text"] {
    border: 1px solid var(--gray-border);
    border-radius: var(--radius);
    padding: 5px 12px;
    height: 44px;
    width: 100%;
    transition: box-shadow 0.2s ease;
    background: white;
    -moz-appearance: none;
    -webkit-appearance: none;
    appearance: none;
}

.sr-input:focus,
input[type="text"]:focus,
button:focus,
.focused {
    box-shadow: 0 0 0 1px rgba(50, 151, 211, 0.3), 0 1px 1px 0 rgba(0, 0, 0, 0.07), 0 0 0 4px rgba(50, 151, 211, 0.3);
    outline: none;
    z-index: 9;
}

.sr-input::placeholder,
input[type="text"]::placeholder {
    color: var(--gray-light);
}

.sr-result {
    height: 44px;
    -webkit-transition: height 1s ease;
    -moz-transition: height 1s ease;
    -o-transition: height 1s ease;
    transition: height 1s ease;
    color: var(--font-color);
    overflow: auto;
}

.sr-result code {
    overflow: scroll;
}

.sr-result.expand {
    height: 350px;
}

.sr-combo-inputs-row {
    box-shadow: 0px 0px 0px 0.5px rgba(50, 50, 93, 0.1), 0px 2px 5px 0px rgba(50, 50, 93, 0.1), 0px 1px 1.5px 0px rgba(0, 0, 0, 0.07);
    border-radius: 7px;
}


/* Buttons and links */

button {
    background: var(--accent-color);
    border-radius: var(--radius);
    color: white;
    border: 0;
    padding: 12px 16px;
    margin-top: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    display: block;
    box-shadow: 0px 4px 5.5px 0px rgba(0, 0, 0, 0.07);
    width: 100%;
}

button:hover {
    filter: contrast(115%);
}

button:active {
    transform: translateY(0px) scale(0.98);
    filter: brightness(0.9);
}

button:disabled {
    opacity: 0.5;
    cursor: none;
}

a {
    color: var(--link-color);
    text-decoration: none;
    transition: all 0.2s ease;
}

a:hover {
    filter: brightness(0.8);
}

a:active {
    filter: brightness(0.5);
}


/* Code block */

code,
pre {
    font-family: "SF Mono", "IBM Plex Mono", "Menlo", monospace;
    font-size: 12px;
}


/* Stripe Element placeholder */

.sr-card-element {
    padding-top: 12px;
}


/* Responsiveness */

@media (max-width: 720px) {
    .sr-root {
        flex-direction: column;
        justify-content: flex-start;
        padding: 48px 20px;
        min-width: 320px;
    }
    .sr-header__logo {
        background-position: center;
    }
    .sr-payment-summary {
        text-align: center;
    }
    .sr-content {
        display: none;
    }
    .sr-main {
        width: 100%;
        height: 305px;
        background: rgb(247, 250, 252);
        box-shadow: 0px 0px 0px 0.5px rgba(50, 50, 93, 0.1), 0px 2px 5px 0px rgba(50, 50, 93, 0.1), 0px 1px 1.5px 0px rgba(0, 0, 0, 0.07);
        border-radius: 6px;
    }
}


/* todo: spinner/processing state, errors, animations */

.spinner,
.spinner:before,
.spinner:after {
    border-radius: 50%;
}

.spinner {
    color: #ffffff;
    font-size: 22px;
    text-indent: -99999px;
    margin: 0px auto;
    position: relative;
    width: 20px;
    height: 20px;
    box-shadow: inset 0 0 0 2px;
    -webkit-transform: translateZ(0);
    -ms-transform: translateZ(0);
    transform: translateZ(0);
}

.spinner:before,
.spinner:after {
    position: absolute;
    content: "";
}

.spinner:before {
    width: 10.4px;
    height: 20.4px;
    background: var(--accent-color);
    border-radius: 20.4px 0 0 20.4px;
    top: -0.2px;
    left: -0.2px;
    -webkit-transform-origin: 10.4px 10.2px;
    transform-origin: 10.4px 10.2px;
    -webkit-animation: loading 2s infinite ease 1.5s;
    animation: loading 2s infinite ease 1.5s;
}

.spinner:after {
    width: 10.4px;
    height: 10.2px;
    background: var(--accent-color);
    border-radius: 0 10.2px 10.2px 0;
    top: -0.1px;
    left: 10.2px;
    -webkit-transform-origin: 0px 10.2px;
    transform-origin: 0px 10.2px;
    -webkit-animation: loading 2s infinite ease;
    animation: loading 2s infinite ease;
}

@-webkit-keyframes loading {
    0% {
        -webkit-transform: rotate(0deg);
        transform: rotate(0deg);
    }
    100% {
        -webkit-transform: rotate(360deg);
        transform: rotate(360deg);
    }
}

@keyframes loading {
    0% {
        -webkit-transform: rotate(0deg);
        transform: rotate(0deg);
    }
    100% {
        -webkit-transform: rotate(360deg);
        transform: rotate(360deg);
    }
}


/* Animated form */

.sr-root {
    animation: 0.4s form-in;
    animation-fill-mode: both;
    animation-timing-function: ease;
}

.hidden {
    display: none;
}

@keyframes field-in {
    0% {
        opacity: 0;
        transform: translateY(8px) scale(0.95);
    }
    100% {
        opacity: 1;
        transform: translateY(0px) scale(1);
    }
}

@keyframes form-in {
    0% {
        opacity: 0;
        transform: scale(0.98);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}