/* ═══════════════════════════════════════════════════════
   Tokeny
   ═══════════════════════════════════════════════════════ */
:root {
  /* Paleta */
  --accent:   #FCDCC8;
  --bg:       #FFFCF1;      /* page – krémová */
  --surface:  #FBEDD9;      /* karty – světlý med */
  --input-bg: #FBEDD9;      /* inputy – o pár % tmavší než karta */
  --dark:     #2A2A39;
  --muted:    #9A8578;
  --border:   #E3D9C9;
  --success:  #3C6E47;
  --warning:  #A85A24;
  --danger:   #A23B3B;

  /* Clay – teplé shadow tokeny */
  --clay-shadow-dark:  rgba(180, 150, 120, 0.35);
  --clay-shadow-light: rgba(255, 240, 220, 0.55);

  /* Radiusy */
  --radius-xl: 24px;
  --radius-lg: 20px;
  --radius-md: 14px;
  --radius-sm: 12px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  padding: 2.5rem 1rem 4rem;
  background: var(--bg);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--dark);
  font-size: 15px;
  line-height: 1.5;
}

form { max-width: 980px; margin: 0 auto; }

/* ═══════════════════════════════════════════════════════
   Clay utility – správná orientace (dark TL, light BR)
   ═══════════════════════════════════════════════════════ */
.clay {
  background: var(--clay-background, var(--surface));
  border-radius: var(--clay-border-radius, var(--radius-lg));
  box-shadow:
    var(--clay-shadow-outset, 8px 8px 16px 0 var(--clay-shadow-dark)),
    inset var(--clay-shadow-inset-primary, -3px -3px 6px 0 var(--clay-shadow-dark)),
    inset var(--clay-shadow-inset-secondary, 5px 5px 10px 0 var(--clay-shadow-light));
}

.clay-accent {
  --clay-background: var(--accent);
  --clay-shadow-outset: 10px 10px 20px 0 rgba(200, 160, 130, 0.40);
  --clay-shadow-inset-primary: -4px -4px 8px 0 rgba(200, 160, 130, 0.30);
  --clay-shadow-inset-secondary: 4px 4px 8px 0 rgba(255, 240, 220, 0.60);
  background: var(--clay-background);
  border-radius: var(--clay-border-radius, var(--radius-lg));
  box-shadow:
    var(--clay-shadow-outset),
    inset var(--clay-shadow-inset-primary),
    inset var(--clay-shadow-inset-secondary);
}

.clay-dark {
  --clay-background: var(--dark);
  --clay-shadow-outset: 8px 8px 16px 0 rgba(42, 42, 57, 0.45);
  --clay-shadow-inset-primary: -6px -6px 12px 0 rgba(0, 0, 0, 0.40);
  --clay-shadow-inset-secondary: 6px 6px 12px 0 rgba(255, 255, 255, 0.08);
  background: var(--clay-background);
  color: #fff;
  border-radius: var(--clay-border-radius, var(--radius-md));
  box-shadow:
    var(--clay-shadow-outset),
    inset var(--clay-shadow-inset-primary),
    inset var(--clay-shadow-inset-secondary);
}

/* Inset varianta – důlek, proto opačná orientace (light TL, dark BR) */
.clay-inset {
  background: var(--input-bg);
  border-radius: var(--radius-sm);
  box-shadow:
    inset 5px 5px 10px 0 var(--clay-shadow-dark),
    inset -3px -3px 6px 0 var(--clay-shadow-light);
  transition: box-shadow 0.15s ease;
}

/* ═══════════════════════════════════════════════════════
   Hlavička
   ═══════════════════════════════════════════════════════ */
.page-header {
  padding: 1.8rem 2.2rem;
  margin-bottom: 1.6rem;
  background: var(--accent);
  border-radius: var(--radius-xl);
  box-shadow:
    12px 12px 24px 0 rgba(200, 160, 130, 0.42),        /* outer, dark BR */
    inset -6px -6px 12px 0 rgba(200, 160, 130, 0.30),  /* dark TL */
    inset  6px  6px 12px 0 rgba(255, 240, 220, 0.60);  /* light BR */
}
.page-header h1 {
  margin: 0;
  font-size: 1.6rem;
  color: var(--dark);
}
.page-header .subtitle {
  margin: 0.35rem 0 0;
  color: #7A5A44;
  font-size: 0.9rem;
}

/* ═══════════════════════════════════════════════════════
   Karty – světlý med, správný bump (dark TL, light BR)
   ═══════════════════════════════════════════════════════ */
.card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 1.4rem 1.7rem;
  margin-bottom: 1.4rem;
  box-shadow:
    8px 8px 16px 0 var(--clay-shadow-dark),           /* outer, dark BR */
    inset -4px -4px 8px 0 var(--clay-shadow-dark),     /* dark TL */
    inset  4px  4px 8px 0 var(--clay-shadow-light);    /* light BR */
}

.card > h2,
details.card > summary h2 {
  margin: 0 0 1rem;
  font-size: 1.15rem;
  color: var(--dark);
}

details.card > summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
details.card > summary::-webkit-details-marker { display: none; }
details.card > summary::after {
  content: "▾";
  font-size: 1rem;
  color: var(--muted);
  transition: transform 0.2s;
}
details.card[open] > summary::after { transform: rotate(180deg); }
details.card > summary h2 { margin: 0; }
details.card[open] > summary { margin-bottom: 1rem; }

/* ═══════════════════════════════════════════════════════
   Pole – inset (důlek), proto opačná orientace
   ═══════════════════════════════════════════════════════ */
label {
  display: block;
  margin-bottom: 1rem;
}
label > span {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.35rem;
}
label > span small {
  text-transform: none;
  font-weight: 400;
  letter-spacing: 0;
  color: #B8A99A;
}

input,
textarea,
select {
  width: 100%;
  padding: 0.65rem 0.85rem;
  border: none;
  border-radius: var(--radius-sm);
  font: inherit;
  color: var(--dark);
  background: var(--input-bg);
  box-shadow:
    inset 5px 5px 10px 0 rgba(180, 150, 120, 0.35),    /* dark BR – dno důlku */
    inset -3px -3px 6px 0 rgba(255, 240, 220, 0.55);    /* light TL – hrana důlku */
  transition: box-shadow 0.15s ease;
}
input:focus,
textarea:focus,
select:focus {
  outline: none;
  box-shadow:
    inset 5px 5px 10px 0 rgba(180, 150, 120, 0.35),
    inset -3px -3px 6px 0 rgba(255, 240, 220, 0.55),
    0 0 0 3px rgba(252, 220, 200, 0.7);
}
textarea { resize: vertical; font-family: inherit; }

select {
  appearance: none;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%239A8578' stroke-width='2'><path d='M6 9l6 6 6-6'/></svg>");
  background-repeat: no-repeat;
  background-position: right 0.9rem center;
  background-color: var(--input-bg);
  padding-right: 2.2rem;
}

/* ═══════════════════════════════════════════════════════
   Gridy
   ═══════════════════════════════════════════════════════ */
.grid-2, .grid-3, .grid-4 { display: grid; gap: 0.8rem 1rem; }
.grid-2 { grid-template-columns: 1fr 1fr; }
.grid-3 { grid-template-columns: 1fr 1fr 1fr; }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
@media (max-width: 640px) {
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
}

/* ═══════════════════════════════════════════════════════
   Opakované položky – krémové, zanořené do medové karty
   ═══════════════════════════════════════════════════════ */
.items > .item {
  background: var(--bg);
  border-radius: var(--radius-md);
  padding: 1rem 1.2rem 0.4rem;
  margin-bottom: 0.9rem;
  box-shadow:
    4px 4px 8px 0 var(--clay-shadow-dark),
    inset -2px -2px 4px 0 var(--clay-shadow-dark),
    inset  2px  2px 4px 0 var(--clay-shadow-light);
}

.items > .item-nested {
  background: var(--surface);
  display: grid;
  grid-template-columns: 1fr 1fr auto;
  gap: 0.6rem;
  align-items: end;
  padding: 0.7rem 0.9rem 0.8rem;
  margin-bottom: 0.6rem;
  border-radius: var(--radius-sm);
  box-shadow:
    3px 3px 6px 0 var(--clay-shadow-dark),
    inset -2px -2px 4px 0 var(--clay-shadow-dark),
    inset  2px  2px 4px 0 var(--clay-shadow-light);
}
.item-nested label { margin-bottom: 0; }
.item-nested .btn-remove { align-self: end; margin-bottom: 0.3rem; }

fieldset.sub {
  border: none;
  border-radius: var(--radius-sm);
  padding: 0.8rem 1rem 0.5rem;
  margin: 0 0 1rem;
  background: var(--surface);
  box-shadow:
    inset -3px -3px 6px 0 var(--clay-shadow-dark),     /* dark TL */
    inset  3px  3px 6px 0 var(--clay-shadow-light);    /* light BR */
}
fieldset.sub legend {
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
  padding: 0 0.4rem;
}

.kontrola-row {
  display: flex;
  gap: 0.9rem;
  align-items: center;
  margin-bottom: 0.6rem;
}
.kontrola-row .inline {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  margin: 0;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--dark);
  white-space: nowrap;
}
.kontrola-row .inline input {
  width: 1.15rem;
  height: 1.15rem;
  padding: 0;
  background: var(--input-bg);
  box-shadow:
    inset 2px 2px 4px 0 rgba(180, 150, 120, 0.35),
    inset -1px -1px 2px 0 rgba(255, 240, 220, 0.55);
  border-radius: 5px;
  accent-color: var(--accent);
}
.kontrola-row > input { flex: 1; }

/* ═══════════════════════════════════════════════════════
   Tlačítka
   ═══════════════════════════════════════════════════════ */
button {
  font: inherit;
  cursor: pointer;
  border: none;
  border-radius: var(--radius-sm);
  padding: 0.6rem 1.1rem;
  transition: box-shadow 0.15s ease, transform 0.08s ease;
}
button:active { transform: translateY(1px); }

.btn-add {
  background: transparent;
  border: 1.5px dashed var(--muted);
  color: var(--muted);
  font-weight: 600;
  font-size: 0.85rem;
  padding: 0.55rem 1.1rem;
  margin-bottom: 0.6rem;
  border-radius: var(--radius-sm);
  transition: border-color 0.15s, color 0.15s;
}
.btn-add:hover { border-color: var(--dark); color: var(--dark); }
.btn-small { padding: 0.4rem 0.8rem; font-size: 0.78rem; }

.btn-remove {
  background: transparent;
  color: var(--danger);
  font-size: 0.78rem;
  padding: 0.35rem 0.65rem;
  align-self: flex-start;
  margin-bottom: 0.6rem;
  border-radius: 8px;
  transition: background 0.15s;
}
.btn-remove:hover { background: rgba(162, 59, 59, 0.08); }

.btn-primary {
  background: var(--dark);
  color: #fff;
  font-weight: 600;
  padding: 0.85rem 1.7rem;
  font-size: 1rem;
  border-radius: var(--radius-md);
  box-shadow:
    8px 8px 16px 0 rgba(42, 42, 57, 0.45),
    inset -6px -6px 12px 0 rgba(0, 0, 0, 0.40),
    inset  6px  6px 12px 0 rgba(255, 255, 255, 0.10);
}
.btn-primary:hover {
  box-shadow:
    10px 10px 20px 0 rgba(42, 42, 57, 0.55),
    inset -6px -6px 12px 0 rgba(0, 0, 0, 0.40),
    inset  6px  6px 12px 0 rgba(255, 255, 255, 0.10);
}
.btn-primary:active { transform: translateY(2px); }
.btn-primary:disabled { opacity: 0.55; cursor: not-allowed; }

.btn-secondary {
  background: var(--accent);
  color: var(--dark);
  font-weight: 600;
  padding: 0.85rem 1.5rem;
  border-radius: var(--radius-md);
  box-shadow:
    8px 8px 16px 0 rgba(200, 160, 130, 0.42),
    inset -4px -4px 8px 0 rgba(200, 160, 130, 0.30),
    inset  4px  4px 8px 0 rgba(255, 240, 220, 0.60);
}
.btn-secondary:hover {
  box-shadow:
    10px 10px 20px 0 rgba(200, 160, 130, 0.52),
    inset -4px -4px 8px 0 rgba(200, 160, 130, 0.30),
    inset  4px  4px 8px 0 rgba(255, 240, 220, 0.60);
}
.btn-secondary:active { transform: translateY(2px); }

.actions {
  display: flex;
  gap: 1rem;
  justify-content: flex-end;
  margin-top: 1.8rem;
  padding-top: 1.5rem;
}

/* ═══════════════════════════════════════════════════════
   Náhled JSON
   ═══════════════════════════════════════════════════════ */
#json-preview {
  background: var(--dark);
  color: #E8E4DD;
  padding: 1.3rem;
  border-radius: var(--radius-md);
  font-size: 0.82rem;
  line-height: 1.45;
  overflow-x: auto;
  max-height: 500px;
  margin-top: 1.2rem;
  box-shadow:
    inset 6px 6px 12px 0 rgba(0, 0, 0, 0.5),
    inset -6px -6px 12px 0 rgba(255, 255, 255, 0.05);
}

/* ═══════════════════════════════════════════════════════
   Status
   ═══════════════════════════════════════════════════════ */
#status {
  margin-top: 1.2rem;
  padding: 1rem 1.3rem;
  border-radius: var(--radius-md);
  font-weight: 500;
}
#status.ok {
  background: #EDF3ED;
  color: var(--success);
  box-shadow:
    4px 4px 8px 0 rgba(60, 110, 71, 0.15),
    inset -3px -3px 6px 0 rgba(60, 110, 71, 0.10),
    inset  3px  3px 6px 0 rgba(255, 240, 220, 0.55);
}
#status.err {
  background: #F6E9E9;
  color: var(--danger);
  box-shadow:
    4px 4px 8px 0 rgba(162, 59, 59, 0.15),
    inset -3px -3px 6px 0 rgba(162, 59, 59, 0.10),
    inset  3px  3px 6px 0 rgba(255, 240, 220, 0.55);
}
#status.info {
  background: var(--accent);
  color: #7A5A44;
  box-shadow:
    4px 4px 8px 0 rgba(200, 160, 130, 0.30),
    inset -3px -3px 6px 0 rgba(200, 160, 130, 0.20),
    inset  3px  3px 6px 0 rgba(255, 240, 220, 0.55);
}