body, html {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: system-ui, -apple-system, 'Segoe UI', Arial, sans-serif;
  background: #f2f4f8;
  color: #222;
}

.page {
  width: 100%;
  max-width: 900px;
  margin: 0 auto;
  padding: 1rem;
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 2px 12px rgba(0,0,0,0.07);
}

h1.page-title {
  font-size: 2rem;
  margin: 1.2rem 0;
  text-align: center;
  color: #2d3e50;
}
nav {
  margin-bottom: 1.3rem;
  text-align: left;
}
.button-grey {
  background-color: #6c757d;
  color: white;
  border: none;
  border-radius: 7px;
  padding: 0.6em 1.2em;
  font-size: 1em;
  cursor: pointer;
  transition: background 0.2s;
}
.button-grey:hover {
  background-color: #5a6268;
}

section {
  margin-bottom: 2em;
  padding: 0.7em 0.5em;
  border-radius: 9px;
  background: #f6f7fa;
  box-shadow: 0 1px 3px rgba(0,0,0,0.03);
}
section h2 {
  font-size: 1.18rem;
  color: #1d2230;
  margin-bottom: 0.45em;
  margin-top: 0.18em;
  font-weight: 600;
}

/* Intake form: more compact, two columns on desktop, one on mobile */
.intakeForm {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 9px 16px;
  max-width: 520px;
  margin: 0 auto 1.2em auto;
  padding: 0.9em 0.6em;
  background-color: #fff;
  border-radius: 12px;
  box-shadow: 0 1px 4px rgba(0,0,0,0.04);
}

.intakeForm label {
  grid-column: span 1;
  margin-bottom: 0.1em;
  font-size: 0.97em;
  color: #34495e;
  font-weight: 500;
}

.intakeForm input[type="text"],
.intakeForm input[type="number"],
.intakeForm input[type="time"],
.intakeForm input[type="date"] {
  grid-column: span 1;
  padding: 0.28em 0.45em;
  font-size: 0.96em;
  border-radius: 6px;
  border: 1px solid #ccd6e6;
  margin-bottom: 0.14em;
  background: #f8fafb;
}

.intakeForm button[type="submit"] {
  grid-column: span 2;
  margin-top: 0.7em;
  padding: 0.58em 0;
  font-size: 1em;
  border-radius: 6px;
}

@media (max-width: 700px) {
  .intakeForm {
    grid-template-columns: 1fr;
    max-width: 98vw;
    padding: 0.7em 0.2em;
  }
  .intakeForm button[type="submit"] {
    grid-column: span 1;
  }
}

/* Food search more compact */
#foodSearch {
  width: 270px;
  max-width: 90vw;
  padding: 0.25em 0.5em;
  font-size: 0.97em;
  border-radius: 6px;
  border: 1px solid #ccd6e6;
  margin-bottom: 0.4em;
}
#foodResults {
  max-width: 270px;
  font-size: 0.96em;
  list-style: none;
  margin: 0.2em 0 0.8em 0;
  padding: 0;
  border: 1px solid #ccc;
  background: #fff;
  border-radius: 5px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
  z-index: 10;
  position: absolute;
}
#foodResults li { padding: 7px 12px; cursor: pointer; }
#foodResults li:hover { background: #ddeeff; }

/* Filter form compact */
section > label[for="filterDate"],
#filterDate,
#applyFilterBtn {
  display: inline-block;
  margin-right: 0.6em;
  margin-bottom: 0.4em;
  vertical-align: middle;
}
#filterDate {
  width: 140px;
  padding: 0.24em 0.5em;
  font-size: 0.97em;
  border-radius: 6px;
  border: 1px solid #ccd6e6;
}
#applyFilterBtn {
  padding: 0.31em 0.85em;
  font-size: 0.97em;
  border-radius: 6px;
}

/* Table styling (compact) */
.intake-table-container {
  width: 100%;
  overflow-x: auto;
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 1px 6px rgba(0,0,0,0.06);
  padding: 1em 0.5em;
}
.intake-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.99em;
  min-width: 750px;
}
.intake-table th, .intake-table td {
  padding: 0.35em 0.55em;
  font-size: 0.95em;
  border: 1px solid #e0e6ed;
  text-align: left;
  background: #fcfcfe;
}
.intake-table th {
  background-color: #f3f6fa;
  font-weight: 700;
}
.intake-table td {
  font-size: 1em;
}
.intake-table button {
  padding: 0.3em 0.7em;
  margin-right: 0.4em;
  border-radius: 6px;
  border: none;
  background: #6c757d;
  color: #fff;
  font-size: 0.99em;
  cursor: pointer;
  transition: background 0.2s;
}
.intake-table button:hover {
  background: #3e64ff;
}

/* Chart responsiveness and scroll */
.chart-scroll-x {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  width: 100%;
}
.chart-container {
  width: 100%;
  height: 350px;
  position: relative;
  background: #fff;
  border-radius: 10px;
  margin-bottom: 0.8em;
}
canvas {
  display: block;
}

/* Miscellaneous */
::-webkit-scrollbar-thumb { background: #e0e6ed; }
::-webkit-scrollbar { width: 7px; background: #f7f8fa; }