/* ********** */
/* WEIGHT & BALANCE STYLES */
/* ********** */

:root {
  --main-bg: #f7f8fa;
  --white: #fff;
  --input-bg: #f9fafb;
  --input-border: #d1d5db;
  --text: #222;
  --accent: #d32f2f;
  --small: 0.85em;
}

body {
  font-family: 'Segoe UI', Arial, sans-serif;
  background: var(--main-bg);
  color: var(--text);
  margin: 0;
  padding: 0;
}

.container {
  max-width: 480px;
  margin: 2rem auto;
  background: var(--white);
  border-radius: 12px;
  box-shadow: 0 2px 16px rgba(0,0,0,0.07);
  padding: 2rem 1.5rem 1.5rem 1.5rem;
}

h1 {
  font-size: 1.0rem;
  margin: 0;
  padding-bottom: 10px;
  text-align: center;
  letter-spacing: 0.02em;
}

form, .readonly-group {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

label {
  font-weight: 500;
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

input, select, .stone-lbs-input {
  padding: 0.5rem;
  border: 1px solid var(--input-border);
  border-radius: 6px;
  font-size: 1rem;
  background: var(--input-bg);
  margin-top: 0.2rem;
  box-sizing: border-box;
}

input[readonly] {
  background: #f1f1f1;
  color: #888;
}

.readonly-group {
  flex-direction: row;
  gap: 1rem;
  margin-top: 0.5rem;
  width: 100%;
}

.readonly-group label {
  flex: 1 1 0;
}

.segment {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
  margin-bottom: 0;
  position: relative;
}
.segment label,
.segment .warning {
  margin: 0;
}
.segment label:last-of-type {
  margin-bottom: 0;
}
.segment .warning {
  margin-bottom: 0.2rem;
}
.warning {
  color: var(--accent);
  font-size: 0.95em;
  font-weight: 600;
  display: none;
}
.warning.active {
  display: block;
}

footer {
  margin-top: 2rem;
  text-align: center;
}

.small-black {
  font-size: var(--small);
  font-weight: 500;
  color: #111;
}

.stone-lbs-group {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.2rem;
}

#fuel-weight-display {
  margin-top: 0.3rem;
  font-size: 0.98em;
  color: #444;
}

.logbook-link {
  margin-top: 1.2rem;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.3em;
}

.logbook-link a {
  display: flex;
  align-items: center;
  text-decoration: none;
  gap: 0.5em;
}

.logbook-link a:hover {
  text-decoration: underline;
}

.logbook-logo {
  height: 1.5em;
  width: auto;
  margin-right: 0.4em;
  display: inline-block;
  vertical-align: middle;
}

@media (max-width: 600px) {
  .container {
    padding: 0;
    box-shadow: none;
    background: none;
    border-radius: 0;
  }
  body {
    background: #fff;
    padding-left: 10px;
    padding-right: 10px;
  }
  .readonly-group {
    flex-direction: column;
    gap: 0.2rem;
  }
  .readonly-group .bew{
  	padding-bottom: 5px;
  }
}