* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

/* Reset default margins and make html, body full height */
html,
body {
  height: 100%;
  font-family: sans-serif;
  background: #f5f5f5;
  color: #333;
}

body {
  display: flex;
  flex-direction: column;
  height: 100vh;
}

/* Header row styling */
.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5em 1em;
  gap: 1em;
  flex-shrink: 0;
}

h1,
h2 {
  margin: 0;
}

.app-title {
  flex-grow: 1;
}

.btn-theme {
  background-color: #6b6b6b;
  color: #fff;
}

.github-link {
  font-weight: 600;
}

/* Main is flex column */
main {
  display: flex;
  flex-direction: column;
  flex: 1;
  width: 100%;
}

/* Controls top row in main*/
.controls-section,
.status-section {
  padding: 1rem;
  flex-shrink: 0;
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  gap: 0.5rem;
}

/* Container for the two columns */
.io-container {
  display: flex;
  flex: 1;
  /* fill remaining vertical space */
  width: 100%;
  overflow: hidden;
}

/* Both columns flex equally and full height */
.column {
  flex: 1;
  padding: 1rem;
  display: flex;
  flex-direction: column;
}

.heading-with-controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
}

.command-history-entry {
  all: unset;
  display: flex;
  flex-direction: row;
  gap: 0.5rem;
  background: none;
  border: none;
  border-bottom: 1px solid #ccc;
  /* light gray line */
  padding: 0.5rem 1rem;
  margin: 0;
  text-align: left;
  cursor: pointer;
}

.command-history-entry:hover {
  background-color: #f0f0f0;
}

.monospaced {
  font-family: 'Courier New', Courier, monospace;
  font-size: 1rem;
  color: #333;
}

.scrollbox-wrapper {
  position: relative;
  padding: 0.5rem;
  flex: 1;

  display: block;
  overflow: hidden;
}

.scrollbox {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  overflow-y: auto;
  overflow-x: auto;
  margin-top: 0.5rem;
  margin-bottom: 0.5rem;
  background-color: #fff;
  border-radius: 0.5rem;
  white-space: nowrap;
  display: flex;
  flex-direction: column;
  align-items: stretch;
}

.send-container {
  display: flex;
  flex-direction: row;
  gap: 0.5rem;
}

.send-mode-command {
  background-color: lightgray;
  /* light-gray */
}

.send-mode-instant {
  background-color: blue;
}

.btn {
  padding: 0.5rem 1rem;
  font-size: 1rem;
  border: none;
  border-radius: 0.3rem;
  cursor: pointer;
}

.good {
  background-color: #2ecc71;
  /* green */
  color: #fff;
}

.danger {
  background-color: #e74c3c;
  /* red */
  color: #fff;
}

.input {
  width: 100%;
  padding: 12px 16px;
  font-size: 1rem;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  border: 2px solid #ddd;
  border-radius: 8px;
  background-color: #fafafa;
  color: #333;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
  outline: none;
  box-sizing: border-box;
}

.input::placeholder {
  color: #aaa;
  font-style: italic;
}

.input:focus {
  border-color: #0078d7;
  box-shadow: 0 0 6px rgba(0, 120, 215, 0.5);
  background-color: #fff;
}

.resizer {
  width: 5px;
  background-color: #ccc;
  cursor: col-resize;
  height: 100%;
}

/*
================================
Togglable Dark Mode
================================
*/
/* This class will be added to the body element by JavaScript */
body.dark-mode {
  /* Invert base background and text colors */
  background: #1e1e1e;
  color: #d4d4d4;
}

body.dark-mode .btn-theme {
  background-color: #b0b0b0;
  color: #000;
}

body.dark-mode .github-link {
  color: #58a6ff;
}

body.dark-mode .resizer {
  background-color: #444;
}

body.dark-mode .input {
  background-color: #3c3c3c;
  color: #f0f0f0;
  border: 2px solid #555;
}

body.dark-mode .input::placeholder {
  color: #888;
}

body.dark-mode .input:focus {
  background-color: #2a2d2e;
  border-color: #0078d7;
}

body.dark-mode .scrollbox {
  background-color: #252526;
  border: 1px solid #444;
}

body.dark-mode .monospaced {
  color: #d4d4d4;
}

body.dark-mode .command-history-entry {
  border-bottom: 1px solid #444;
}

body.dark-mode .command-history-entry:hover {
  background-color: #3c3c3c;
}

body.dark-mode .send-mode-command {
  background-color: #555;
  color: #f5f5f5;
}