/* ========= Base / Tokens ========= */
:root{
  --c-bg:#f5f7f9;
  --c-text:#222;
  --c-muted:#666;
  --c-brand:#238C8C;
  --c-brand-2:#6EC1E4;
  --c-accent:#ffc439;
  --c-card:#fff;
  --c-card-2:#f7fbfd;
  --c-border:#e6e9ee;
  --c-shadow:0 8px 20px rgba(0,0,0,.05);
  --r:12px;
  --r-pill:999px;
  --sp-1:.25rem; --sp-2:.5rem; --sp-3:.75rem; --sp-4:1rem; --sp-5:1.5rem; --sp-6:2rem;
}

html,body{height:100%}
body{
  font-family:system-ui, Segoe UI, Roboto, Arial, sans-serif;
  background:var(--c-bg);
  color:var(--c-text);
  margin:0;
}

.container{width:min(1100px,100%);margin:0 auto;padding:var(--sp-5) var(--sp-4)}

/* ========= Headings ========= */
h1{font-size:1.8rem;margin:0 0 var(--sp-4)}
h2{font-size:1.25rem;color:var(--c-brand);margin:0 0 var(--sp-3);
   border-bottom:2px solid var(--c-brand-2);padding-bottom:var(--sp-2)}
h3{margin:.25rem 0 .5rem;color:var(--c-brand)}

/* ========= Cards ========= */
.card{
  background:var(--c-card);
  border-radius:var(--r);
  box-shadow:var(--c-shadow);
  padding:var(--sp-5) var(--sp-5);
}
.card-muted{background:var(--c-card-2)}
.alert{background:#ffecec;border:1px solid #ffc1c1;border-radius:var(--r);padding:var(--sp-3) var(--sp-4)}
.note{background:#eaffea;border:1px solid #bfe8bf;border-radius:var(--r);padding:var(--sp-3) var(--sp-4)}
.muted{color:var(--c-muted)}

/* ========= Grid (Seitenlayout) ========= */
.grid{
  display:grid;grid-template-columns:2fr 1fr;gap:var(--sp-6);align-items:start;
}
@media (max-width:900px){ .grid{grid-template-columns:1fr} }

/* ========= Form ========= */
.stack{display:flex;flex-direction:column;gap:var(--sp-2);max-width:520px}
.stack>label{margin-top:var(--sp-2);font-weight:600;color:#333}
.stack>input, .stack>select, .stack>textarea{
  width:100%;padding:.6rem .75rem;border:1px solid #ddd;border-radius:8px;background:#fffbe6;
  box-sizing:border-box;transition:all .2s
}
.stack>input:focus,.stack>select:focus,.stack>textarea:focus{
  outline:none;border-color:var(--c-brand-2);background:#fff9cc;box-shadow:0 0 0 3px rgba(110,193,228,.25)
}
.checkbox{display:flex;gap:.6rem;align-items:center}
.checkbox input{accent-color:var(--c-brand);transform:scale(1.15)}

/* ====== Buttons ====== */
.btn{
  background:var(--c-brand-2);
  color:#fff;border:0;border-radius:8px;padding:.65rem 1.2rem;font-weight:600;
  cursor:pointer;transition:background .2s;display:inline-flex;align-items:center;gap:.4rem;
  text-decoration:none
}
.btn:hover{background:var(--c-brand)}
.btn-grey{background:#ddd;color:#222}
.btn-paypal{background:var(--c-accent);color:#111;border:1px solid #ccc}
.btn-danger{background:#dc3545}

/* ====== Badges ====== */
.badge{
  display:inline-block;padding:.25rem .5rem;border-radius:var(--r-pill);font-size:.85rem;
  background:#eef7fb;color:var(--c-brand);border:1px solid #d6ecf6
}
.badge.pay{background:#f3f7e9;color:#476520;border-color:#e1edce}

/* ====== Tabellen (Warenkorb / Artikelübersicht) ====== */
.table-clean{width:100%;border-collapse:collapse}
.table-clean th,.table-clean td{padding:.5rem;border-bottom:1px solid #eee;text-align:left}
.table-clean th{background:#fafafa}
@media (max-width:900px){
  .table-clean thead{display:none}
  .table-clean tr{display:block;padding:.55rem 0;border-bottom:1px solid #eee}
  .table-clean td{display:flex;justify-content:space-between;padding:.35rem 0;border:0}
  .table-clean td::before{content:attr(data-label);font-weight:600;margin-right:1rem;color:#333}
}

/* ====== Summary-Box (rechte Spalte) ====== */
.summary.card{background:var(--c-card-2)}
.summary hr{margin:.5rem 0;border:0;border-top:1px solid #eee}
.totals-row{display:flex;justify-content:space-between;margin:.25rem 0}
.totals-row strong{color:var(--c-brand)}
.total-grand{font-size:1.15rem}

/* ====== Layout-Spacers ====== */
.mt-1{margin-top:var(--sp-2)} .mt-2{margin-top:var(--sp-3)} .mt-3{margin-top:var(--sp-4)} .mt-4{margin-top:var(--sp-5)}
.flex-end{display:flex;justify-content:flex-end;gap:.5rem}
.flex-between{display:flex;justify-content:space-between;gap:.75rem;align-items:center}

/* ====== Utility-Karten ====== */
.kachel-info{background:#f7fbfd;border:1px solid #e3eef6;border-radius:8px;padding:var(--sp-3)}
.kachel-warn{background:#fdfdf8;border:1px solid #f0e6b3;border-radius:8px;padding:var(--sp-3)}
.highlight-left{border-left:4px solid var(--c-brand-2);background:#fdfdf8;border-radius:8px;padding:var(--sp-3)}

/* Header */
.site-header { background: var(--bg); color: var(--text); padding: .8rem 0; }
.header-flex { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; }
.logo img { height: 60px; }
.main-nav a { color: var(--text); margin-right: 1rem; font-weight: 600; }
.main-nav a:hover { color: var(--primary); }
.user-nav a { color: var(--text); margin-left: .8rem; font-weight: 500; }