:root {
    --netherrack: #a75353;
    --lava: #db8128;
    --stone: #8f8f8f;
}

html {
    height: 100%;
}

body {
    margin: 0;
    font-family: sans-serif;
    min-height: 100%;
    display: flex;
    flex-direction: column;
}

.hidden {
    display: none;
}

h2 {
    margin-top: 2em;
    font-size: 1.25em;
}

/* HEADER */
header {
    display: flex;
    height: 50px;
    width: 100%;
    border-bottom: 1px solid #AAA;
    justify-content: space-between;
    align-items: center;
}

#logo {
    background-repeat: no-repeat;
    height: 80%;
    min-width: 123px;
    background-size: cover;
    padding: 0 10px;
}

.round-button {
    background: none;
    margin: 0 15px;
    border-width: 0px;
    border-style: solid;
    border-radius: 50%;
    width: 2.5em;
    height: 2.5em;
    display: flex;
    background-color: var(--lava);
    box-shadow: 1px 1px 5px var(--button-shadow-color);
}

.round-button svg {
    margin: auto;
    width: 2em;
    height: 2em;
}

#main-menu-button {
    order: -1;
    visibility: hidden;
}

#main-menu-button.menu-opened {
    background-color: var(--netherrack);
}

/* MOBILE */
@media (max-width: 960px) {
    #main-menu-button {
        visibility: visible;
    }

    main {
        flex-direction: column;
    }

    nav {
        display: none;
    }

    main.menu-opened nav {
        display: flex;
    }

    main.menu-opened content {
        display: none;
    }

    nav ul {
        display: flex;
        justify-content: space-evenly;
        font-size: large;
        flex-wrap: wrap;
        width: 100%;
    }

    nav li {
        flex-wrap: wrap;
        min-width: 40%;
        min-height: 40%;
    }

    nav button {
        flex-direction: column;
        text-align: center;
        width: 100%;
        height: 100%;
    }

    main.menu-opened nav button svg {
        margin: 0 0 10px 0;
    }
}

/* MAIN LAYOUT */
main {
    display: flex;
    flex: 1;
}

nav {
    background-color: var(--background-color);
    padding: 10px;
}

nav ul {
    margin: 0;
    list-style-type: none;
    padding-inline-start: 0;
}

nav button {
    display: flex;
    justify-content: left;
    align-items: center;
    padding: 15px;
    border-width: 0px;
    background: none;
    color: var(--text-color);
    font-size: 16px;
}
nav button:hover {
    color: var(--lava);
    cursor: pointer;
}

nav button svg {
    margin: auto 10px auto 0;
    width: 2em;
    height: 2em;
}

/* CONTENT */
content {
    display: flex;
    flex: 1;
    padding: 15px;
}
content::after {
    content: "";
    background: url('../img/bg.png');
    background-size: cover;
    background-position: right;
    opacity: 0.25;
    top: 50px;
    left: 0;
    bottom: 0;
    right: 0;
    position: absolute;
    z-index: -1;
}

section {
    margin: auto;
}
section.unavailable::before {
    padding: 10px;
    content: "This feature is currently unavailable due to technical issues.";
    color: var(--text-color);
    background-color: var(--netherrack);
    font-weight: bold;
}

/* FOOTER */
footer {
    border-top: 1px solid #AAA;
    background-color: var(--background-color);
    padding: 15px;
    font-size: 10px;
}

/* ITINERARY */
#itinerary-search form {
    display: flex;
    flex-direction: column;
    align-items: center;
}

#itinerary-search .form-field {
    display: flex;
    justify-content: center;
    margin: 10px;
    width: 70%;
}

#itinerary-search .form-field svg {
    width: 1.5em;
    height: 1.5em;
    margin-right: 5px;
}

#itinerary-search .form-field input {
    width: 100%;
}

#search-button {
    margin-top: 10px;
    width: 3.5em;
    height: 3.5em;
}
#search-button:disabled{
    background-color: var(--stone);
}
#search-button svg {
    width: 2.5em;
    height: 2.5em;
}

#itinerary-results ul {
    list-style-type: none;
}

#itinerary-results li {
    display: flex;
    align-items: center;
}

#itinerary-results .distance::before {
    content: ' (';
}
#itinerary-results .distance::after {
    content: 'm)';
}

#itinerary-results li > div:first-child {
    height: 30px;
    width: 30px;
}

#itinerary-results .passing .line {
    width: 6px;
    height: 100%;
    margin-left: 12px;
}

#itinerary-results .passing {
    font-size: 14px;
}
#itinerary-results .passing .label::before {
    content: 'Passing: ';
}

#itinerary-results .departure .line,
#itinerary-results .arrival .line {
    width: 30px;
    border-radius: 50%;
}

#itinerary-results .label {
    margin-left: 15px;
}

#itinerary-results .distance {
    margin-left: 5px;
}

/* MAPS */
#maps {
    margin: 0;
    flex: 1;
}

#maps iframe {
    width: 100%;
    height: 100%;
}

/* SERVICE ALERTS */
#service-alerts {
    flex: 1;
}

#service-alerts-container {
    overflow-y: scroll;
}

.accordion-header {
    display: flex;
}

.accordion-header button {
    background-color: transparent;
    color: var(--text-color);
    border: 0;
}

.accordion-header .line-icon {
    height: 1em;
    width: 1em;
    margin: auto 5px;
}

.accordion-content {
    border: 1px solid var(--stone);
}

.accordion-content.closed {
    display: none;
    overflow: hidden;
}

.alert-status {
    font-size: 0.75em;
    padding: 3px 10px;
    border-radius: 20px;
}

.alert-status.ongoing {
    background-color: var(--lava);
}
.alert-status.upcoming {
    background-color: var(--netherrack);
}

.alert-status.ongoing::before {
    content: "ongoing";
}
.alert-status.upcoming::before {
    content: "upcoming";
}