:root {
  --bg: #f8f7f4;
  --surface: #ffffff;
  --border: #d0cdc5;
  --border-strong: #a09d96;
  --text: #1a1917;
  --text-muted: #6b6860;
  --text-hint: #9b9890;
  --accent: #1a4a7a;
  --accent-light: #e8f0f8;
  --danger: #8b2020;
  --danger-bg: #fdf0f0;
  --warning: #7a5a00;
  --warning-bg: #fdf8e8;
  --success: #1a5a2a;
  --success-bg: #f0fdf4;
  --info: #1a4a7a;
  --info-bg: #e8f0f8;
  --radius: 4px;
  --font-mono: 'Courier New', Courier, monospace;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: Georgia, 'Times New Roman', serif;
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
  line-height: 1.5;
}
a { color: var(--accent); }

/* Layout */
.page-header {
  background: var(--accent);
  color: #fff;
  padding: 1rem 2rem;
  display: flex;
  align-items: baseline;
  gap: 1rem;
}
.page-header h1 { font-size: 1.3rem; font-weight: normal; letter-spacing: 0.03em; }
.page-header .sub { font-size: 0.85rem; opacity: 0.7; font-family: Georgia, serif; }

.container { max-width: 900px; margin: 0 auto; padding: 1.5rem 1rem 3rem; }

/* Sections */
.sec { margin-bottom: 1.5rem; }
.sec-title {
  font-size: 0.7rem;
  font-weight: bold;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  padding-bottom: 4px;
  margin-bottom: 10px;
}

/* Preamble bar */
.preamble-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 10px;
  align-items: flex-end;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 10px 12px;
}
.preamble-bar .seg { display: flex; flex-direction: column; gap: 2px; }
.preamble-bar .seg label {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-hint);
  font-family: Georgia, serif;
}
.preamble-bar .sep {
  color: var(--border-strong);
  font-size: 1.1rem;
  padding-bottom: 4px;
  user-select: none;
}
.svc-wrap { display: flex; align-items: center; gap: 5px; padding-bottom: 3px; }
.svc-wrap label { font-size: 0.75rem; color: var(--text-muted); cursor: pointer; font-family: Georgia, serif; }

/* Form elements */
::-webkit-input-placeholder { color: #bfbbb4; font-style: italic; }
::-moz-placeholder { color: #bfbbb4; font-style: italic; opacity: 1; }
::placeholder { color: #bfbbb4; font-style: italic; }
input[type=text], input[type=email], select, textarea {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 5px 7px;
  font-size: 0.85rem;
  font-family: Georgia, serif;
  color: var(--text);
  background: var(--surface);
  outline: none;
  transition: border-color 0.15s;
}
input[type=text]:focus, select:focus, textarea:focus {
  border-color: var(--accent);
}
input[type=checkbox] { cursor: pointer; }
textarea {
  width: 100%;
  resize: vertical;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.6;
}

/* Field rows */
.row { display: flex; gap: 8px; margin-bottom: 8px; flex-wrap: wrap; }
.f { display: flex; flex-direction: column; gap: 3px; flex: 1; min-width: 80px; }
.f label { font-size: 0.75rem; color: var(--text-muted); }
.f.w2 { flex: 2; }
.f.full { flex: 1 0 100%; }
.hint { font-size: 0.7rem; color: var(--text-hint); margin-top: 1px; }

/* Messages */
.err-msg { font-size: 0.72rem; color: var(--danger); margin-top: 2px; display: none; }
.warn-msg { font-size: 0.72rem; color: var(--warning); margin-top: 2px; display: none; }
.alert {
  font-size: 0.82rem;
  border-radius: var(--radius);
  padding: 8px 12px;
  margin-top: 10px;
  display: none;
  line-height: 1.5;
}
.alert.danger { background: var(--danger-bg); border: 1px solid #e8b0b0; color: var(--danger); }
.alert.warning { background: var(--warning-bg); border: 1px solid #e0cc80; color: var(--warning); }
.alert.info { background: var(--info-bg); border: 1px solid #a0bcd8; color: var(--info); }

/* Text stats bar */
.stats-bar {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 6px;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: center;
}
.stats-bar strong { color: var(--text); }
.over { color: var(--danger) !important; font-weight: bold; }

/* Preview */
.preview-label { font-size: 0.72rem; color: var(--text-hint); margin-top: 10px; margin-bottom: 3px; }
.preview-box {
  background: #f4f3f0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 8px 12px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  line-height: 1.8;
  white-space: pre-wrap;
  word-break: break-all;
  min-height: 36px;
  color: var(--text-muted);
}

/* Output tabs */
.tab-bar {
  display: flex;
  gap: 0;
  border-bottom: 2px solid var(--accent);
  margin-top: 1.5rem;
  margin-bottom: 0;
}
.tab-btn {
  padding: 7px 16px;
  font-size: 0.8rem;
  font-family: Georgia, serif;
  cursor: pointer;
  border: 1px solid var(--border);
  border-bottom: none;
  background: var(--bg);
  color: var(--text-muted);
  border-radius: var(--radius) var(--radius) 0 0;
  margin-right: 3px;
  transition: background 0.1s;
  letter-spacing: 0.03em;
}
.tab-btn.active {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* Output box */
.output-box {
  background: var(--surface);
  border: 1px solid var(--border);
  border-top: none;
  border-radius: 0 0 var(--radius) var(--radius);
  padding: 1rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  line-height: 2;
  white-space: pre-wrap;
  word-break: break-all;
  min-height: 80px;
  color: var(--text);
}
.output-placeholder { color: var(--text-hint); font-style: italic; }

/* Buttons */
.btn-row { display: flex; gap: 8px; margin-top: 1rem; flex-wrap: wrap; align-items: center; }
button {
  padding: 7px 16px;
  font-size: 0.82rem;
  font-family: Georgia, serif;
  cursor: pointer;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  background: var(--surface);
  color: var(--text);
  transition: background 0.1s, border-color 0.1s;
}
button:hover { background: var(--accent-light); border-color: var(--accent); }
button.primary { background: var(--accent); color: #fff; border-color: var(--accent); }
button.primary:hover { background: #15396a; }
.copied { font-size: 0.8rem; color: var(--success); display: none; }

/* Op note toggle */
.opnote-toggle {
  font-size: 0.72rem;
  color: var(--accent);
  cursor: pointer;
  text-decoration: underline;
  background: none;
  border: none;
  padding: 0;
  font-family: Georgia, serif;
}
.opnote-wrap { display: none; margin-top: 6px; }

/* Divider */
.divider { border: none; border-top: 1px solid var(--border); margin: 1.2rem 0; }

/* Callsign memory */
.callsign-note { font-size: 0.7rem; color: var(--text-hint); }

/* Warning states for the word/group counters */
.over {
  color: #d32f2f; /* A clear, readable red */
  font-weight: bold;
  text-decoration: underline;
}

/* Optional: Add a subtle transition so it doesn't just "pop" */
#grp_count, #line_count {
  transition: color 0.2s ease;
}

/* Styling for the error/warning boxes used in generate() */
#err_box {
  display: none;
  background-color: #ffebee;
  color: #c62828;
  border: 1px solid #ef9a9a;
  padding: 10px;
  margin: 10px 0;
  border-radius: 4px;
}

#warn_box {
  display: none;
  background-color: #fff3e0;
  color: #ef6c00;
  border: 1px solid #ffe0b2;
  padding: 10px;
  margin: 10px 0;
  border-radius: 4px;
}