body {
  font-family: 'Roboto', Arial, sans-serif;
  background: #2d2d2d;
  color: #eee;
  margin: 0;
}

/* Стилизация ссылки на Telegram-профиль */
.telegram-contact {
  margin-top: 2em;
  font-size: 0.95em;
}
.telegram-contact a {
  color: #bb86fc;
  text-decoration: underline;
  transition: color 0.2s;
}
.telegram-contact a:hover {
  color: #9a67ea;
}
  .login-container {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 1000;
    background: #1e1e1e;
    padding: 2em;
    border-radius: 6px;
    box-shadow: 0 0 10px rgba(0,0,0,0.5);
    text-align: center;
  }
  .login-container h1 {
    margin-bottom: 1em;
    font-size: 1.2em;
  }
  .login-container input {
    width: 100%;
    padding: 0.5em;
    margin-bottom: 1em;
    border: none;
    border-radius: 4px;
    background: #2d2d2d;
    color: #eee;
  }
  .login-container button {
    padding: 0.5em 1em;
    border: none;
    border-radius: 4px;
    background: #bb86fc;
    color: #000;
    cursor: pointer;
  }
  .login-container button:hover {
    background: #9a67ea;
  }
  #msg {
    margin-top: 0.5em;
    height: 1em;
    color: #ff6b6b;
  }
.layout {
  display: flex;
  min-height: 100vh;
}
.sidebar h2 {
  margin-top: 0;
  margin-bottom: 1em;
  font-size: 1.1em;
  color: #fff;
}
/* sidebar и main для главной страницы после входа */
.sidebar {
  flex: 0 1 250px;  /* base width 250px, but allow shrinking */
  max-width: 250px;
  min-width: 150px;  /* minimum width when shrinking */
  background: #1e1e1e;
  padding: 1em;
  min-height: 100%;      /* ensure it covers content */
  box-shadow: 2px 0 5px rgba(0,0,0,0.3);
  position: relative;
}

.sidebar a {
  color: #eee;
  text-decoration: none;
  display: block;
  margin-bottom: 1em;
  transition: background-color 0.3s, color 0.3s, padding-left 0.3s;
}

.sidebar a:hover {
  background-color: rgba(187, 134, 252, 0.15);
  border-left: 4px solid #bb86fc;
  padding-left: calc(1em - 4px);
  color: #bb86fc;
}

.main {
  flex-grow: 1;
  padding: 2em;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 0.5s ease-out forwards;
}

@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.container {
  flex-grow: 1;
  padding: 1em 2em 2em;
  max-width: 900px;
  margin: 0 auto;
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 0.5s cubic-bezier(0.68, -0.6, 0.32, 1.6) forwards;
}

h1, h2, h3, h4 {
  color: #fff;
}

p, li {
  color: #ddd;
  line-height: 1.6;
}

a {
  color: #bb86fc;
  text-decoration: underline;
}

a:hover {
  color: #9a67ea;
}

figure {
  margin: 1.5em 0;
}

figure img {
  width: 900px;
  max-width: 100%;
  border-radius: 4px;
  box-shadow: 0 0 8px rgba(0,0,0,0.3);
}

.code-block {
  position: relative;
  background: #1e1e1e;
  padding: 0.1em 0.4em 0.1em 0.4em;
  border-radius: 6px;
  margin: 1.5em 0;
  overflow-x: auto;
}

.code-block pre {
  font-size: 0.9em;
  line-height: 1.4;
}

.copy-btn {
  position: absolute;
  top: 0.7em;
  right: 0.6em;
  background: #bb86fc;
  border: none;
  padding: 0.3em 0.6em;
  color: #000;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.8em;
  opacity: 0.65;
}

.copy-btn:hover {
  background: #9a67ea;
}

pre {
  margin: 0;
  font-family: 'Roboto Mono', monospace;
  font-size: 0.95em;
}

code {
  color: #eee;
  background-color: #1e1e1e;
  font-size: 1.3em;
  padding: 0.1em 0.2em;
  border-radius: 3px;
}

.autolink {
  word-break: break-all;
}

p {
  margin: 0 0 1em;
}

ul, ol {
  margin: 0 0 1em 1.5em;
}

.sidebar a:focus,
.copy-btn:focus {
  outline: 2px solid #bb86fc;
  outline-offset: 2px;
}

/* Подсветка выбранного пункта меню */
.sidebar a.active {
  background-color: #333; /* тёмный фон для активного пункта */
  color: #bb86fc;         /* цвет текста для активного пункта */
  border-radius: 4px;
  padding: 0.5em;
}

@keyframes copiedFlash {
  0%   { transform: scale(1);   background: #bb86fc; }
  50%  { transform: scale(1.1); background: #6b44c4; }
  100% { transform: scale(1);   background: #bb86fc; }
}

.copy-btn.clicked {
  animation: copiedFlash 0.4s ease;
}

/* Кнопка Наверх */
#to-top {
  position: fixed;
  bottom: 3em;
  left: 1.5em;
  display: flex;
  pointer-events: none;
  background: #bb86fc;
  border-radius: 50%;
  width: 2.5em;
  height: 2.5em;
  padding: 0.5em;
  box-shadow: 0 2px 6px var(--shadow);
  color: var(--bg-secondary);
  font-size: 1.2em;
  cursor: pointer;
  align-items: center;
  justify-content: center;
  z-index: 999;
  transition: opacity 0.3s, visibility 0.3s;
  opacity: 0;
  visibility: hidden;
}

#to-top.show {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

#to-top:hover {
  background: #9a67ea;
}


/* Разделитель и расположение client code */
.sidebar .client-code-container {
  margin-top: 3em;
  padding: 0.75em;
  border: 2px groove #eee;
  border-radius: 4px;
  border-top: none;
  color: var(--text-secondary);
  font-size: 0.9em;
  text-align: center;
}
.sidebar .client-code-container strong {
  color: #bb86fc;
}

/* Shake animation for invalid code */
@keyframes shake {
  0% { transform: translate(-50%, -50%) translateX(0); }
  20% { transform: translate(-50%, -50%) translateX(-10px); }
  40% { transform: translate(-50%, -50%) translateX(10px); }
  60% { transform: translate(-50%, -50%) translateX(-10px); }
  80% { transform: translate(-50%, -50%) translateX(10px); }
  100% { transform: translate(-50%, -50%) translateX(0); }
}

.login-container.shake {
  animation: shake 0.3s ease;
}

/* Стили для клавиш <kbd> */
kbd {
  display: inline-block;
  padding: 0.2em 0.4em;
  margin: 0 0.1em;
  font-size: 0.9em;
  font-family: 'Roboto Mono', monospace;
  background: #333;
  color: #eee;
  border: 1px solid #555;
  border-radius: 3px;
  box-shadow: inset 0 -1px 0 #444;
}