html {
  line-height: 1;
}

body {
  align-items: center;
  background-color: #111;
  display: flex;
  
  font-family: Helvetica Neue, sans-serif;
  
  height: 100vh;
  justify-content: center;
  
  margin: 0;
  padding: 0;
  
  text-align: center;
}

h1 {
  color: #00caff;
  
  font-weight: 100;
  font-size: 8em;
  
  margin: 0;
  padding-bottom: 15px;
}

button {
  background: #111;
  border-radius: 0px;
  border: 1px solid #00caff;
  color: #00caff;
  
  font-size: 2em;
  font-weight: 100;
  
  margin: 0;
  
  outline: none;
  padding: 5px 15px;

  transition: background .2s;     

  &:hover, &:active, &:disabled {
    background: #00caff;
    color: #111; 
  }
  &:active {
    outline: 2px solid #00caff;
  }
  &:focus {
    border: 1px solid #00caff;
  }
}

button + button {
  margin-left: 3px;
}

// place code into IIFE so Cypress can load
// it before each test and the local variables
// would not clash with previous evaluations
(function() {
  const { h, app } = hyperapp;
  /** @jsx h */

  // save the reference so we can dispatch
  // actions on the web app
  // window._app is the actions object {down, up}
  // window._app.down()
  // window._app.up()
  window._app = app({
    state: {
      count: 0
    },
    view: (state, actions) => (
      <main>
        <h1>{state.count}</h1>
        <button onclick={actions.down} disabled={state.count <= 0}>
          ー
        </button>
        <button onclick={actions.up}>＋</button>
      </main>
    ),
    actions: {
      down: state => ({ count: state.count - 1 }),
      up: state => ({ count: state.count + 1 })
    }
  });
})();