:root {
  --header-height: 80px;
}

* {
  box-sizing: border-box;
}

html, body {
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
}

body {
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

/* Container */
.app-container {
  position: relative;
  width: 100%;
  height: 100%;
}

/* Ebene 0: Hintergrund */
.ebene-0 {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  background-color: #2D56A9;
}

/* Ebene 1: Content */
.ebene-1 {
  position: relative;
  z-index: 1;
  width: 100%;
  min-height: calc(100% + 1px);
  background-color: transparent;
  margin-top: calc(var(--header-height) + 5px);
}

/* Ebene 2: Header & Bottom */
.ebene-2 {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 2;
  pointer-events: none;
}

/* Header */
.header {
  position: fixed;
  top: 0;
  width: 100%;
  height: var(--header-height);
  background-color: #626D69;
  pointer-events: auto;
}

.header-title {
  font-family: 'Inter', sans-serif;
  font-size: 34px;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: #FFFFFF;
  margin: 35px 0 0 16px;
}

/* Bottom */
.bottom {
  position: fixed;
  bottom: 0;
  width: 100%;
  height: 80px;
  background-color: #626D69;
  pointer-events: auto;
}

.btn {
  position: absolute;
  bottom: 28px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background-color: #FFFFFF;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #000000;
}

.btn-left {
  left: 28px;
}

.btn-right {
  right: 28px;
}

/* Cards */
.card {
  background-color: #FFFFFF;
  height: 50px;
  border-radius: 26px;
  margin-left: 16px;
  margin-right: 16px;
}

.card + .card {
  margin-top: 5px;
}