/* =========================================================
   Rezept-Scanner – Stylesheet
   ========================================================= */

:root {
  --color-bg:       #fafaf8;
  --color-surface:  #ffffff;
  --color-border:   #e5e5e0;
  --color-text:     #1a1a1a;
  --color-muted:    #6b7280;
  --color-primary:  #2d6a4f;
  --color-primary-h:#245a42;
  --color-danger:   #dc2626;
  --color-danger-h: #b91c1c;
  --color-info-bg:  #ecfdf5;
  --color-err-bg:   #fef2f2;
  --color-err-text: #991b1b;
  --radius:         0.5rem;
  --shadow:         0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.06);
  --font: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 16px; }

body {
  font-family: var(--font);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  min-height: 100vh;
}

/* ---- Layout ---- */
.container { max-width: 1100px; margin: 0 auto; padding: 1rem 1.25rem 3rem; }
.container--narrow { max-width: 420px; padding-top: 3rem; }

/* ---- Header / Nav ---- */
.site-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  position: sticky; top: 0; z-index: 100;
}
.nav-inner {
  max-width: 1100px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0.75rem 1.25rem;
  gap: 1rem;
}
.brand { font-weight: 700; font-size: 1.1rem; color: var(--color-text); text-decoration: none; }
.nav-actions { display: flex; gap: 0.5rem; align-items: center; }

/* ---- Buttons ---- */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 0.45rem 1rem;
  border-radius: var(--radius);
  border: 1px solid transparent;
  font-size: 0.9rem; font-weight: 500;
  cursor: pointer; text-decoration: none;
  transition: background .15s, color .15s, border-color .15s;
  white-space: nowrap;
}
.btn-primary  { background: var(--color-primary);  color: #fff; }
.btn-primary:hover  { background: var(--color-primary-h); }
.btn-secondary { background: var(--color-surface); color: var(--color-primary); border-color: var(--color-primary); }
.btn-secondary:hover { background: var(--color-info-bg); }
.btn-ghost    { background: transparent; color: var(--color-muted); border-color: var(--color-border); }
.btn-ghost:hover { background: var(--color-bg); }
.btn-danger   { background: var(--color-danger); color: #fff; }
.btn-danger:hover { background: var(--color-danger-h); }
.btn--full    { width: 100%; }
.btn-sm       { padding: 0.3rem 0.7rem; font-size: 0.82rem; }
.btn:disabled { opacity: 0.6; cursor: not-allowed; }

/* ---- Cards ---- */
.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
}

/* ---- Alerts ---- */
.alert {
  padding: .75rem 1rem;
  border-radius: var(--radius);
  margin-bottom: 1rem;
  font-size: .9rem;
}
.alert--error { background: var(--color-err-bg); color: var(--color-err-text); border: 1px solid #fca5a5; }

/* ---- Tags ---- */
.tag {
  display: inline-block;
  padding: .2rem .6rem;
  border-radius: 999px;
  background: var(--color-info-bg);
  color: var(--color-primary);
  font-size: .78rem;
  font-weight: 500;
  border: 1px solid #a7f3d0;
  text-decoration: none;
}
.tag--active { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }

/* ---- Search form ---- */
.search-form { display: flex; gap: .5rem; margin: 1.25rem 0; flex-wrap: wrap; }
.search-input {
  flex: 1; min-width: 0;
  padding: .45rem .75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: .95rem;
}
.tag-filter { display: flex; flex-wrap: wrap; gap: .4rem; margin-bottom: 1.5rem; }

/* ---- Recipe grid ---- */
.recipe-grid { list-style: none; display: grid; gap: 1rem;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
.recipe-card { border-radius: var(--radius); overflow: hidden; background: var(--color-surface);
  border: 1px solid var(--color-border); box-shadow: var(--shadow);
  transition: box-shadow .15s, transform .15s; }
.recipe-card:hover { box-shadow: 0 4px 12px rgba(0,0,0,.12); transform: translateY(-2px); }
.recipe-card__link { display: flex; flex-direction: column; text-decoration: none; color: inherit; height: 100%; }
.recipe-card__img { width: 100%; height: 180px; object-fit: cover; }
.recipe-card__body { padding: .9rem; flex: 1; display: flex; flex-direction: column; gap: .4rem; }
.recipe-card__title { font-size: 1rem; font-weight: 600; line-height: 1.3; }
.recipe-card__tags { display: flex; flex-wrap: wrap; gap: .3rem; }
.recipe-card__meta { font-size: .8rem; color: var(--color-muted); margin-top: auto; }
.recipe-card__meta span + span::before { content: " · "; }

/* ---- Recipe detail page ---- */
.page-header { margin-bottom: 1.5rem; display: flex; align-items: baseline; gap: 1rem; flex-wrap: wrap; }
.page-header h1 { flex: 1; }

.recipe-header { margin-bottom: 1.5rem; }
.recipe-header h1 { font-size: 1.8rem; line-height: 1.25; margin-bottom: .5rem; }
.recipe-desc { color: var(--color-muted); margin-bottom: .75rem; }
.recipe-meta { display: flex; flex-wrap: wrap; gap: 1rem; font-size: .9rem; margin-bottom: .75rem; }
.recipe-tags { display: flex; flex-wrap: wrap; gap: .4rem; }

.recipe-body {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 2rem;
  align-items: start;
}
@media (max-width: 720px) { .recipe-body { grid-template-columns: 1fr; } }

.recipe-image img { width: 100%; border-radius: var(--radius); border: 1px solid var(--color-border); }

.recipe-section { margin-bottom: 1.75rem; }
.recipe-section h2 { font-size: 1.15rem; margin-bottom: .75rem; border-bottom: 2px solid var(--color-primary); padding-bottom: .25rem; }

.ingredient-list { list-style: none; }
.ingredient-list li { display: flex; gap: .6rem; padding: .35rem 0; border-bottom: 1px solid var(--color-border); font-size: .95rem; }
.ing-amount { min-width: 90px; color: var(--color-muted); }
.ing-name { font-weight: 500; }
.ing-note { color: var(--color-muted); font-style: italic; }

.step-list { padding-left: 1.5rem; }
.step-list li { margin-bottom: .75rem; line-height: 1.6; }

.recipe-actions { display: flex; flex-wrap: wrap; gap: .6rem; margin-top: 2rem; padding-top: 1.25rem; border-top: 1px solid var(--color-border); }
.share-box { display: flex; align-items: center; gap: .5rem; flex-wrap: wrap; }
.share-input { font-size: .82rem; padding: .3rem .6rem; border: 1px solid var(--color-border); border-radius: var(--radius); width: 280px; max-width: 100%; }

/* ---- Forms (login, edit) ---- */
.login-title { text-align: center; font-size: 1.6rem; margin-bottom: 1.5rem; color: var(--color-primary); }
.login-form { display: flex; flex-direction: column; gap: 1rem; }

.field { display: flex; flex-direction: column; gap: .3rem; }
.field label { font-size: .875rem; font-weight: 500; }
.field input, .field textarea, .field select {
  padding: .5rem .75rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-size: .95rem;
  font-family: inherit;
  background: var(--color-surface);
  color: var(--color-text);
  transition: border-color .15s;
}
.field input:focus, .field textarea:focus {
  outline: none; border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(45,106,79,.15);
}
.field-row { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
@media (max-width: 540px) { .field-row { grid-template-columns: 1fr; } }

.edit-form { display: flex; flex-direction: column; gap: 1.25rem; }
.form-actions { display: flex; gap: .6rem; padding-top: .5rem; }

/* ---- Zutaten / Schritte editor ---- */
.zutaten-header, .zutat-row {
  display: grid;
  grid-template-columns: 70px 80px 1fr 1fr 34px;
  gap: .4rem;
  align-items: center;
}
.zutaten-header { font-size: .78rem; color: var(--color-muted); margin-bottom: .3rem; }
.zutat-row input { padding: .35rem .5rem; border: 1px solid var(--color-border); border-radius: .375rem; font-size: .88rem; font-family: inherit; }
.zutat-row input:focus { outline: none; border-color: var(--color-primary); }
.zutaten-list { display: flex; flex-direction: column; gap: .4rem; margin-bottom: .5rem; }

.schritt-row { display: flex; gap: .5rem; align-items: flex-start; margin-bottom: .5rem; }
.schritt-num { min-width: 1.4rem; font-size: .85rem; color: var(--color-muted); padding-top: .5rem; }
.schritt-row textarea { flex: 1; padding: .4rem .6rem; border: 1px solid var(--color-border); border-radius: .375rem; font-size: .9rem; font-family: inherit; resize: vertical; min-height: 60px; }
.schritt-row textarea:focus { outline: none; border-color: var(--color-primary); }
.schritte-list { display: flex; flex-direction: column; gap: .3rem; margin-bottom: .5rem; }

/* ---- Upload ---- */
.upload-form { max-width: 480px; margin: 2rem auto; }
.upload-area {
  border: 2px dashed var(--color-border);
  border-radius: var(--radius);
  padding: 2.5rem 1rem;
  text-align: center;
  cursor: pointer;
  transition: border-color .2s, background .2s;
  margin-bottom: 1rem;
}
.upload-area:hover, .upload-area--selected { border-color: var(--color-primary); background: var(--color-info-bg); }
.upload-input { display: none; }
.upload-label { cursor: pointer; display: flex; flex-direction: column; align-items: center; gap: .5rem; }
.upload-icon { font-size: 2.5rem; }
.upload-hint { font-size: .78rem; color: var(--color-muted); }

/* ---- Processing ---- */
.processing-page { text-align: center; padding: 4rem 1rem; }
.processing-page h1 { margin: 1rem 0 .5rem; }
.spinner {
  width: 48px; height: 48px;
  border: 4px solid var(--color-border);
  border-top-color: var(--color-primary);
  border-radius: 50%;
  animation: spin .8s linear infinite;
  margin: 0 auto;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---- Empty state ---- */
.empty-state { text-align: center; padding: 4rem 1rem; color: var(--color-muted); }
.empty-state h1 { color: var(--color-text); margin-bottom: 1rem; }
.empty-state p { margin-bottom: 1.5rem; }

/* ---- Misc ---- */
.inline-form { display: inline; }
small { font-size: .8em; color: var(--color-muted); }
a { color: var(--color-primary); }

/* ---- Print ---- */
@media print {
  .no-print, .site-header { display: none !important; }
  body { background: #fff; }
  .recipe-body { grid-template-columns: 1fr; }
  .recipe-image { margin-top: 1rem; }
  .recipe-image img { max-width: 300px; }
}