@import url('https://fonts.googleapis.com/css2?family=Bebas+Neue&family=IBM+Plex+Mono:wght@300;400;500;600&display=swap');

:root {
  --bg:       #f5f0e8;
  --paper:    #fdfaf4;
  --ink:      #1a1410;
  --mid:      #7a6f60;
  --accent:   #d4541a;
  --accent2:  #2a6e3f;
  --line:     #d8cfc0;
  --positive: #2a6e3f;
  --negative: #c0392b;
}

* { box-sizing: border-box; margin: 0; padding: 0; max-width: 100%; }

html { overflow-x: hidden; width: 100%; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: 'IBM Plex Mono', monospace;
  min-height: 100vh;
  overflow-x: hidden;
  width: 100%;
}

/* ── HEADER ── */
header {
  background: var(--ink);
  color: var(--bg);
  padding: 0 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  width: 100%;
  position: relative;
}

.logo {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.8rem;
  letter-spacing: 0.08em;
}

.logo em { color: var(--accent); font-style: normal; }

.header-tag {
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  color: #777;
  text-transform: uppercase;
}

/* ── MAIN ── */
main {
  max-width: 900px;
  width: 100%;
  margin: 0 auto;
  padding: 44px 28px 80px;
  display: grid;
  gap: 44px;
}

/* ── LABEL SEZIONE ── */
.label {
  font-size: 0.62rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--mid);
  border-left: 3px solid var(--accent);
  padding-left: 10px;
  margin-bottom: 18px;
}

/* ── CARD ── */
.card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 28px;
  box-shadow: 4px 4px 0 var(--line);
  animation: fadeUp 0.4s ease both;
}

.card:nth-child(2) { animation-delay: 0.1s; }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ── PUNTI GIORNALIERI ── */
.daily-row {
  display: flex;
  align-items: center;
  gap: 16px;
  padding-bottom: 22px;
  border-bottom: 2px solid var(--ink);
  margin-bottom: 22px;
  flex-wrap: wrap;
}

.daily-label {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.2rem;
  letter-spacing: 0.1em;
}

.daily-input-wrap { display: flex; align-items: center; gap: 10px; }

input[type="number"] {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 1rem;
  font-weight: 600;
  background: transparent;
  border: none;
  border-bottom: 2px solid var(--ink);
  padding: 4px 8px;
  color: var(--ink);
  width: 80px;
  text-align: center;
  outline: none;
  transition: border-color 0.15s;
  -moz-appearance: textfield;
}

input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button { -webkit-appearance: none; }

input[type="number"]:focus { border-color: var(--accent); background: rgba(212,84,26,0.04); }

input[type="number"]::placeholder,
.cell-input::placeholder { color: var(--line); opacity: 1; }

.unit { font-size: 0.72rem; color: var(--mid); }

/* ── TABELLA ── */
.tbl-wrap { overflow-x: auto; max-width: 100%; }

table { width: 100%; border-collapse: collapse; font-size: 0.83rem; table-layout: auto; }

thead th {
  text-align: left;
  padding: 8px 14px;
  font-size: 0.62rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--mid);
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}

thead th.num { text-align: right; }

tbody tr { border-bottom: 1px solid var(--line); transition: background 0.1s; }
tbody tr:last-child { border-bottom: none; }
tbody tr:hover { background: rgba(212,84,26,0.04); }

tbody td { padding: 10px 14px; vertical-align: middle; }

.pasto-name {
  font-weight: 500;
  color: var(--mid);
  font-size: 0.76rem;
  letter-spacing: 0.05em;
  white-space: nowrap;
}

td.num { text-align: right; }

.cell-input {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.9rem;
  font-weight: 500;
  background: transparent;
  border: none;
  border-bottom: 1px dashed var(--line);
  padding: 2px 4px;
  color: var(--ink);
  width: 80px;
  text-align: right;
  outline: none;
  transition: border-color 0.15s;
  -moz-appearance: textfield;
}

.cell-input::-webkit-inner-spin-button,
.cell-input::-webkit-outer-spin-button { -webkit-appearance: none; }

.cell-input:focus { border-color: var(--accent); background: rgba(212,84,26,0.04); }

.formula-cell { font-weight: 600; font-size: 0.92rem; }
.formula-cell.positive { color: var(--positive); }
.formula-cell.negative { color: var(--negative); }
.formula-cell.zero     { color: var(--mid); }

/* ── SUMMARY ── */
.summary {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  margin-top: 22px;
}

.summary-item {
  background: var(--paper);
  padding: 14px 18px;
  text-align: center;
}

.s-label {
  font-size: 0.58rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mid);
  margin-bottom: 5px;
}

.s-value {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 1.9rem;
  letter-spacing: 0.05em;
  line-height: 1;
}

.s-value.ok   { color: var(--positive); }
.s-value.warn { color: var(--accent); }
.s-value.bad  { color: var(--negative); }

/* ── PROGRESS ── */
.progress-wrap {
  margin-top: 16px;
  background: var(--line);
  height: 5px;
  border-radius: 3px;
  overflow: hidden;
}

.progress-bar {
  height: 100%;
  border-radius: 3px;
  transition: width 0.3s ease, background 0.3s ease;
  background: var(--positive);
}

/* ── LOCK BUTTON ── */
.input-lock-wrap {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.lock-btn {
  background: none;
  border: none;
  padding: 2px;
  cursor: pointer;
  color: var(--line);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: color 0.15s;
  line-height: 0;
}

.lock-btn:hover { color: var(--accent); }

.lock-btn.locked { color: var(--accent2); }

.lock-icon { width: 14px; height: 14px; }

.lock-cell { width: 28px; padding: 0 4px; vertical-align: middle; }

.cell-input:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  border-bottom-style: dotted;
}

/* ── KCAL CONVERTER ── */
.converter-grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.conv-cell {
  background: var(--paper);
  padding: 18px 22px;
}

.c-label {
  font-size: 0.58rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mid);
  margin-bottom: 10px;
}

.conv-cell input { width: 110px; font-size: 1.3rem; }

.arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 18px 16px;
  background: var(--paper);
  font-size: 1.4rem;
  color: var(--line);
}

.conv-result {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 2rem;
  color: var(--accent2);
  letter-spacing: 0.05em;
  line-height: 1;
}

.conv-result-unit {
  font-size: 0.68rem;
  color: var(--mid);
  margin-top: 4px;
  letter-spacing: 0.06em;
}

.result-row {
  background: var(--paper);
  padding: 18px 22px;
  border-top: 1px solid var(--line);
  grid-column: 1 / -1;
}

.divider { height: 1px; background: var(--line); }

/* ── FOOTER ── */
footer {
  text-align: center;
  padding: 28px;
  font-size: 0.65rem;
  color: var(--mid);
  letter-spacing: 0.08em;
  border-top: 1px solid var(--line);
}

/* ── NAV LINK (header button) ── */
.nav-link {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--bg);
  background: rgba(255,255,255,0.12);
  border: 1px solid rgba(255,255,255,0.22);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 2px;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
  white-space: nowrap;
  flex-shrink: 0;
}
.nav-link:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
.nav-link svg { width: 13px; height: 13px; flex-shrink: 0; }

/* ── RESET BTN ── */
.reset-btn {
  font-family: 'IBM Plex Mono', monospace;
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  background: transparent;
  border: 1px solid var(--line);
  color: var(--mid);
  padding: 6px 14px;
  border-radius: 2px;
  cursor: pointer;
  transition: all 0.15s;
  margin-top: 14px;
}

.reset-btn:hover { border-color: var(--negative); color: var(--negative); }

/* ── RESPONSIVE ── */
@media (max-width: 600px) {
  header {
    padding: 0 16px;
    height: auto;
    min-height: 56px;
    flex-wrap: nowrap;
    gap: 10px;
  }
  .logo { font-size: 1.4rem; flex-shrink: 0; }
  .nav-link { padding: 6px 10px; font-size: 0.65rem; gap: 5px; flex-shrink: 0; }
  main {
    padding: 24px 12px 60px;
    width: 100%;
    overflow: hidden;
  }
  .card {
    padding: 18px 14px;
    box-shadow: none;
    border-radius: 4px;
    width: 100%;
  }
  .summary { grid-template-columns: 1fr; }
  .converter-grid { grid-template-columns: 1fr; }
  .arrow { display: none; }
  .result-row { grid-column: 1; }
  .daily-row { gap: 10px; flex-wrap: wrap; }
  .daily-label { font-size: 1rem; }
  input[type="number"] { width: 70px; font-size: 0.9rem; }
  .cell-input { width: 60px; font-size: 0.82rem; }
  .conv-cell input { width: 100%; max-width: 100%; font-size: 1.1rem; }
  .s-value { font-size: 1.5rem; }
  .tbl-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  thead th, tbody td { padding: 8px 8px; }
  .pasto-name { font-size: 0.7rem; }
}