:root {
  --bg: #f8fafc;
  --card: #ffffff;
  --primary: #22c55e;
  --primary-dark: #15803d;
  --text: #0f172a;
  --muted: #64748b;
  --border: #e2e8f0;
  --radius: 14px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 20px;
}

/* ===================== */
/* HEADER */
/* ===================== */
header{
  position:sticky;
  top:0;
  z-index:100;
  background:white;
  border-bottom:1px solid var(--border);
  margin-bottom: 20px;
}



/* Header Layout */
.header-inner{
  display:flex;
  align-items:center;
  gap:20px;
  padding:14px 20px;
  max-width:1100px;
  margin:0 auto;
}

/* Logo */

header .logo{
  width:46px;
  height:46px;
  background:var(--primary);
  border-radius:12px;
  display:grid;
  place-items:center;
  flex-shrink:0;
}

header .logo svg{
  width:26px;
  height:26px;
}


/* Brand */

.brand-block{
  margin-right:auto;
}

header .brand{
  margin:0;
  font-size:1.7rem;
  font-weight:700;
  line-height:1.1;
}

header .brand + span{
  display:block;
  margin-top:2px;
  font-size:.9rem;
  color:var(--muted);
}

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

.main-nav{
  display:flex;
  align-items:center;
}

.main-nav ul{
  list-style:none;
  display:flex;
  gap:26px;
  margin:0;
  padding:0;
}

.main-nav a{
  text-decoration:none;
  color:var(--text);
  font-size:.95rem;
  font-weight:500;
  padding:6px 2px;
  border-bottom:2px solid transparent;
  transition:all .15s ease;
}

.main-nav a:hover{
  color:var(--primary);
}

.main-nav a.active{
  color:var(--primary);
  border-bottom:2px solid var(--primary);
}

/* Hover */

.main-nav a:hover {
  color: var(--primary);
}

/* aktive Seite */

.main-nav a.active {
  color: var(--primary);
  border-bottom: 2px solid var(--primary);
}

/* ===================== */
/* MAIN */
/* ===================== */

main {
  max-width: 1100px;
  margin: 0px auto;
  padding: 0 20px 40px;
  background-color: #ffffff;
}

/* H1 */

main h1 {
  font-size: 2rem;
  font-weight: 700;
  color: var(--text);
  margin: 0 0 12px;
  line-height: 1.2;
}

/* H2 */

main h2 {
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--primary-dark);
  margin: 28px 0 12px;
  line-height: 1.25;
}

/* H3 */

main h3 {
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text);
  margin: 18px 0 8px;
  line-height: 1.25;
}

/* Paragraphs */

main p {
  font-size: 1rem;
  color: var(--text);
  line-height: 1.6;
  margin: 0 0 16px;
}

main p.hint {
  font-size: 0.9rem;
  color: var(--muted);
  margin: 0 0 12px;
}

/* ===================== */
/* SEARCH */
/* ===================== */

#search {
  width: 100%;
  max-width: 420px;
  padding: 12px 14px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  font-size: 1rem;
  margin: 16px 0 24px;
}

/* ===================== */
/* TABLES */
/* ===================== */

table {
  width: 100%;
  border-collapse: collapse;
  background: var(--card);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0,0,0,.05);
  margin-bottom: 28px;
}

thead {
  background: #ecfdf5;
}

th, td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  font-size: .95rem;
}

th {
  font-weight: 600;
  color: var(--primary-dark);
}

tbody tr:hover {
  background: #f1f5f9;
}

/* Inputs */

input.food-amount {
  width: 80px;
  padding: 8px;
  border-radius: 10px;
  border: 1px solid var(--border);
  font-size: 1rem;
}

/* Gesamtnährwerte */

#nutrients-table td.nutrient-value {
  font-weight: 600;
}

/* ===================== */
/* MOBILE */
/* ===================== */

@media (max-width: 700px) {

  .header-inner {
    flex-wrap: wrap;
    gap: 10px;
  }

  .main-nav ul {
    width: 100%;
    justify-content: flex-start;
    gap: 14px;
  }

  table,
  thead,
  tbody,
  tr,
  th,
  td {
    display: block;
  }

  thead {
    display: none;
  }

  tbody tr {
    padding: 14px;
    border-bottom: 1px solid var(--border);
  }

  td {
    border: none;
    padding: 6px 0;
  }

  td::before {
    content: attr(data-label);
    display: block;
    font-size: .75rem;
    color: var(--muted);
  }

  input.food-amount {
    width: 100%;
  }

}