/* Digitaler Kassenbeleg – Styles für index.html und receipt.php
   Ersetzt Bootstrap 4; enthält nur die genutzten Klassen mit den bisherigen Werten. */

/* ⸻ Basis ⸻ */

*, *::before, *::after {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.5;
  color: #212529;
  background-color: #fff;
}

h3, h4 {
  margin-top: 0;
  margin-bottom: .5rem;
  font-weight: 500;
  line-height: 1.2;
}

h3 { font-size: 1.75rem; }
h4 { font-size: 1.5rem; }

ul {
  margin-top: 0;
  margin-bottom: 1rem;
}

img {
  vertical-align: middle;
  border-style: none;
}

a {
  color: #007bff;
  text-decoration: none;
}

a:hover {
  color: #0056b3;
  text-decoration: underline;
}

small, .small {
  font-size: 80%;
  font-weight: 400;
}

input {
  margin: 0;
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
}

/* ⸻ Layout ⸻ */

.container, .container-sm, .container-fluid {
  width: 100%;
  padding-right: 15px;
  padding-left: 15px;
  margin-right: auto;
  margin-left: auto;
}

.fixed-bottom {
  position: fixed;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: 1030;
}

.jumbotron {
  padding: 2rem 1rem;
  margin-bottom: 2rem;
  background-color: #e9ecef;
  border-radius: .3rem;
}

/* ⸻ Formulare ⸻ */

.form-control {
  display: block;
  width: 100%;
  height: calc(1.5em + .75rem + 2px);
  padding: .375rem .75rem;
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.5;
  color: #495057;
  background-color: #fff;
  background-clip: padding-box;
  border: 1px solid #ced4da;
  border-radius: .25rem;
  transition: border-color .15s ease-in-out, box-shadow .15s ease-in-out;
}

.form-control:focus {
  border-color: #80bdff;
  outline: 0;
  box-shadow: 0 0 0 .2rem rgba(0, 123, 255, .25);
}

.form-control::placeholder {
  color: #6c757d;
  opacity: 1;
}

.btn {
  display: inline-block;
  font-weight: 400;
  color: #212529;
  text-align: center;
  vertical-align: middle;
  cursor: pointer;
  user-select: none;
  -webkit-appearance: button;
  background-color: transparent;
  border: 1px solid transparent;
  padding: .375rem .75rem;
  font-size: 1rem;
  line-height: 1.5;
  border-radius: .25rem;
  transition: color .15s ease-in-out, background-color .15s ease-in-out, border-color .15s ease-in-out, box-shadow .15s ease-in-out;
}

.btn-dark {
  color: #fff;
  background-color: #343a40;
  border-color: #343a40;
}

.btn-dark:hover {
  color: #fff;
  background-color: #23272b;
  border-color: #1d2124;
}

.btn-dark:focus {
  outline: 0;
  box-shadow: 0 0 0 .2rem rgba(82, 88, 93, .5);
}

.btn-block {
  display: block;
  width: 100%;
}

/* ⸻ Meldungen ⸻ */

.alert {
  position: relative;
  padding: .75rem 1.25rem;
  margin-bottom: 1rem;
  border: 1px solid transparent;
  border-radius: .25rem;
}

.alert-success {
  color: #155724;
  background-color: #d4edda;
  border-color: #c3e6cb;
}

.alert-warning {
  color: #856404;
  background-color: #fff3cd;
  border-color: #ffeeba;
}

/* ⸻ Navigation (Impressum / Datenschutz) ⸻ */

.nav {
  display: flex;
  flex-wrap: wrap;
  padding-left: 0;
  margin-bottom: 0;
  list-style: none;
}

.nav-link {
  display: block;
  padding: .5rem 1rem;
}

.nav-link:hover {
  text-decoration: none;
}

/* ⸻ Hilfsklassen ⸻ */

.p-3 { padding: 1rem !important; }
.text-center { text-align: center !important; }
.justify-content-center { justify-content: center !important; }
.bg-white { background-color: #fff !important; }
.border-top { border-top: 1px solid #dee2e6 !important; }
.text-dark { color: #343a40 !important; }
a.text-dark:hover { color: #121416 !important; }