/* ==============================
   RESET
============================== */

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: sans-serif;
  background: #f5f5f5;
}

/* ==============================
   APP CONTAINER
============================== */

.app {
  display: flex;
  flex-direction: column;
  height: 100vh;

  width: 100%;
  max-width: 480px;
  margin: 0 auto;

  background: white;
  border-left: 1px solid #ddd;
  border-right: 1px solid #ddd;
}

@media (max-width: 480px) {
  .app {
    border: none;
  }
}

/* ==============================
   HEADER
============================== */

header {
  padding: 16px;
  border-bottom: 1px solid #ddd;
}

/* ==============================
   VIEW
============================== */

#view {
  flex: 1;
  padding: 20px;
  overflow-y: auto;
}

/* ==============================
   NAVIGATION
============================== */

nav {
  display: flex;
  border-top: 1px solid #ddd;
  background: white;
}

nav a {
  flex: 1;
  text-align: center;
  padding: 12px;
  text-decoration: none;
  color: #333;
  font-size: 14px;
}

nav a.active {
  background: #f0f0f0;
  font-weight: bold;
}

/* ==============================
   STATES
============================== */

.loading,
.error {
  font-size: 14px;
  color: #666;
}

.error {
  color: #c62828;
}