:root {
    --background: #f8f9fa;
    --light: #ffffff;
    --dark: #000000;
    --primary: #ffff00;

    --light-gray: #e9ecef;
    --gray: #adb5bd;
    --dark-gray: #6c757d;

    --light-green: #28a745;
    --red: red;
    --blue: #007bff;
}

body {
    margin: 0;
    font-family: "Courier New", Courier, monospace;
    background-color: var(--background);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: var(--dark);
    color: var(--light);
    padding: 1rem 2rem;
}

nav h1 {
    margin: 0;
    font-size: 1.5rem;
    letter-spacing: 2px;
}

.level,
.score {
    margin: 0;
    font-size: 1.2rem;
    font-weight: bold;
}

#current_level {
    color: var(--primary);
}

#current_score {
    color: var(--primary);
}

#mute-btn {
    background: none;
    border: none;
    color: var(--primary);
    font-size: 1.3rem;
    cursor: pointer;
    padding: 0;
    line-height: 1;
    z-index: 200;
    position: relative;
}

#mute-btn:hover:not([disabled]) {
    background: none;
}
#mute-btn.muted {
    opacity: 0.4;
}

#info {
    background-color: var(--primary);
    padding-block: 0.75rem;
    text-align: center;
    font-weight: bold;
    display: none;
}

#info:not(:empty) {
    display: block;
}

.emphasize {
    background-color: var(--primary);
    color: var(--dark);
}

main {
    margin-block: 1rem;
    margin-inline: 2rem;
    display: grid;
    grid-template-columns: 1.2fr 3fr 1.2fr;
    gap: 2rem;
}

.airplane-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-weight: bold;
}

button {
    font-family: inherit;
    font-weight: bold;
    border: 2px solid var(--dark);
    padding: 0.5rem 0.75rem;
    background-color: var(--light);
    cursor: pointer;
    transition: all 0.1s ease;
}

button:hover:not([disabled]) {
    background-color: var(--dark);
    color: var(--light);
}

button:disabled {
    border-color: var(--light-gray);
    color: var(--gray);
    background-color: #f8f9fa;
    cursor: not-allowed;
}

.airplane-card,
.team-card {
    background-color: var(--light);
    border: 2px solid var(--light-gray);
    padding: 1rem;
    margin-bottom: 1rem;
}

.airplane-card p {
    margin-top: 0;
}

.airplane-patience-bar,
.team-status-bar {
    width: 100%;
    height: 12px;
    appearance: none;
}

.airplane-patience-bar::-webkit-progress-value {
    background-color: var(--primary);
}

.airplane-patience-bar::-webkit-progress-bar {
    background-color: var(--light-gray);
}

.bar-red::-webkit-progress-value {
    background-color: var(--red);
}

.team-status-bar::-webkit-progress-value {
    background-color: var(--primary);
}

.team-status-bar::-webkit-progress-bar {
    background-color: var(--light-gray);
}

.storniert-card {
    background-color: #f8d7da;
    border-color: var(--red);
}

.actions {
    display: flex;
    flex-direction: row;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.actions button {
    flex: 1;
}

#gates {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.gate-card {
    background: var(--light);
    border: 2px solid var(--dark);
    box-shadow: 4px 4px 0px var(--dark);
    padding: 1.5rem;
}

.gate-card h3 {
    margin-top: 0;
    border-bottom: 2px solid var(--dark);
    padding-bottom: 0.5rem;
}

.task-item {
    padding: 0.25rem 0;
    font-size: 0.9rem;
}

.task-item > span {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.running {
    color: var(--blue);
    font-weight: bold;
}

.done {
    color: var(--light-green);
}

.btn-depart {
    width: 100%;
    background-color: var(--primary);
    border: 3px solid var(--primary);
    transition: none;
}

.btn-depart:hover {
    background-color: var(--primary) !important;
    color: var(--dark) !important;
    border-color: var(--dark);
}

.team-busy {
    border-color: var(--red);
}

.team-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
}

.team-type-badge {
    font-size: 0.75rem;
    background: var(--light-gray);
    padding: 2px 6px;
    font-weight: bold;
}

.busy-info {
    color: var(--red);
    font-size: 0.85rem;
    font-weight: bold;
}

.no-tasks-info {
    color: var(--dark-gray);
    font-size: 0.85rem;
}

.hidden {
    display: none !important;
}

.game-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.45);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem;
    z-index: 100;
}

.game-popover {
    width: min(480px, 100%);
    background: var(--light);
    border: 3px solid var(--dark);
    box-shadow: 8px 8px 0 var(--dark);
    padding: 1.5rem;
    text-align: center;
}

.game-popover h2 {
    margin: 0 0 0.75rem;
}

.game-popover p {
    margin-block: 2rem;
}

.overlay-button {
    min-width: 150px;
}