:root {
  --sidebar-bg: #222;
  --sidebar-color: #9d9d9d;
  --sidebar-strip: 72px;
  --github-height: 50px;
  --primary: #337ab7;
  --primary-dark: #286090;
  --warning-bg: #8a6d3b;
  --warning-text: #fcf8e3;
  --danger-bg: #a94442;
  --danger-text: #f2dede;
}

* {
  box-sizing: border-box;
}

html, body {
  height: 100%;
  margin: 0;
}

body {
  background: #fff;
  color: #333;
  font: 14px/1.43 "Helvetica Neue", Helvetica, Arial, sans-serif;
}

a {
  color: #fff;
}

#settings-block {
  background: var(--sidebar-bg);
  color: var(--sidebar-color);
  display: flex;
  flex-direction: column;
  left: 0;
  min-height: 100vh;
  min-width: 330px;
  position: absolute;
  top: 0;
  transition: transform 0.3s;
  width: 33.333%;
  z-index: 9999;
}

@media (max-width: 991px) {
  #settings-block { width: 50%; }
}

@media (max-width: 767px) {
  #settings-block { width: 83.333%; }
}

#settings-block.collapsed {
  transform: translateX(calc(-100% + var(--sidebar-strip)));
}

#settings-block.collapsed .navbar-brand,
#settings-block.collapsed form,
#settings-block.collapsed .info {
  opacity: 0;
  pointer-events: none;
}

#settings-block.collapsed .github {
  opacity: 1;
  pointer-events: auto;
}

.navbar {
  align-items: center;
  display: flex;
  justify-content: space-between;
  min-height: 64px;
  padding: 0 15px;
}

.navbar-brand {
  align-items: center;
  color: var(--sidebar-color);
  display: flex;
  font-size: 18px;
  gap: 10px;
  text-decoration: none;
  transition: opacity 0.3s;
}

.navbar-brand:hover {
  color: #fff;
}

.navbar-brand img {
  border-radius: 50%;
}

.navbar-toggle {
  background: none;
  border: 1px solid #333;
  border-radius: 4px;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 9px 10px;
}

.navbar-toggle:hover {
  background: #333;
}

.navbar-toggle span {
  background: #fff;
  border-radius: 1px;
  display: block;
  height: 2px;
  width: 22px;
}

form {
  flex: 1;
  padding: 15px;
  transition: opacity 0.3s;
}

.form-group {
  margin-bottom: 15px;
}

label {
  display: block;
  font-weight: bold;
  margin-bottom: 5px;
}

input, select {
  background: #fff;
  border: 1px solid #ccc;
  border-radius: 4px;
  color: #555;
  font: inherit;
  height: 34px;
  padding: 6px 12px;
  width: 100%;
}

input:focus, select:focus {
  border-color: #66afe9;
  box-shadow: 0 0 8px rgba(102, 175, 233, 0.6);
  outline: none;
}

.form-group.has-error label {
  color: #e74c3c;
}

.form-group.has-error input {
  border-color: #e74c3c;
}

.btn-submit {
  background: var(--primary);
  border: 1px solid #2e6da4;
  border-radius: 4px;
  color: #fff;
  cursor: pointer;
  font: inherit;
  font-size: 16px;
  overflow: hidden;
  padding: 8px 12px;
  position: relative;
  width: 100%;
}

.btn-submit:hover {
  background: var(--primary-dark);
}

.btn-submit:disabled {
  cursor: progress;
}

.btn-submit .progress {
  background: rgba(0, 0, 0, 0.25);
  bottom: 0;
  left: 0;
  position: absolute;
  top: 0;
  transition: width 0.2s;
  width: 0;
}

.btn-submit .label {
  position: relative;
}

.alert {
  border-radius: 4px;
  margin-top: 20px;
  padding: 12px 15px;
}

.alert-warning {
  background: var(--warning-bg);
  color: var(--warning-text);
}

.alert-danger {
  background: var(--danger-bg);
  color: var(--danger-text);
}

#alert-message {
  margin-left: 0.5em;
}

.footer {
  position: relative;
}

.share {
  padding: 0 15px 10px;
  position: relative;
}

/* Stack above the GitHub icon: the hidden footer info may be shorter than it. */
#settings-block.collapsed .share {
  bottom: var(--github-height);
  padding: 0 0 10px;
  position: absolute;
  right: 0;
  text-align: center;
  width: var(--sidebar-strip);
}

.btn-share {
  background: #fff;
  border: 1px solid #ccc;
  border-radius: 3px;
  color: #333;
  cursor: pointer;
  font: inherit;
  font-size: 12px;
  padding: 0 6px;
}

.popover {
  background: #fff;
  border: 1px solid rgba(0, 0, 0, 0.2);
  border-radius: 6px;
  bottom: 100%;
  box-shadow: 0 5px 10px rgba(0, 0, 0, 0.2);
  color: #333;
  left: 15px;
  padding: 8px;
  position: absolute;
  text-align: left;
  width: 276px;
}

#settings-block.collapsed .popover {
  left: 0;
}

.popover-title {
  font-weight: bold;
  margin-bottom: 6px;
}

.popover input {
  font-size: 12px;
  height: 30px;
}

.info {
  background: #000;
  padding: 5px 15px;
  transition: opacity 0.3s;
}

.github {
  background: #000;
  bottom: 0;
  color: var(--sidebar-color);
  height: var(--github-height);
  opacity: 0;
  padding: 5px 16px;
  pointer-events: none;
  position: absolute;
  right: 0;
  transition: opacity 0.3s;
  width: var(--sidebar-strip);
}

.github:hover {
  color: #777;
}

.github svg {
  display: block;
}

#chart {
  height: 100%;
  padding-left: var(--sidebar-strip);
}