/* Минималистичные современные стили для статей */

/* Gradient background — фиолетовые оттенки как на главной и в курсах */
.gradient-bg {
  position: relative;
  overflow: hidden;
  min-height: auto;
  display: flex;
  flex-direction: column;
  background:
    radial-gradient(circle at 78% 18%, rgba(99, 102, 241, 0.2) 0%, transparent 56%),
    radial-gradient(circle at 66% 66%, rgba(79, 70, 229, 0.18) 0%, transparent 60%),
    linear-gradient(128deg, #0c0a14 0%, #1a1625 28%, #1e1b4b 62%, #312e81 100%);
  color: #ffffff;
}

.gradient-bg::before,
.gradient-bg::after {
  content: '';
  position: absolute;
  inset: -40% -25%;
  background: radial-gradient(circle at 24% 22%, rgba(79, 70, 229, 0.24) 0%, transparent 62%),
              radial-gradient(circle at 84% 34%, rgba(99, 102, 241, 0.2) 0%, transparent 65%),
              radial-gradient(circle at 44% 78%, rgba(67, 56, 202, 0.18) 0%, transparent 63%),
              radial-gradient(circle at 94% 64%, rgba(129, 140, 248, 0.14) 0%, transparent 60%);
  filter: blur(12px);
  opacity: 0.85;
  pointer-events: none;
  z-index: 0;
}

.gradient-bg::after {
  inset: -48% -28%;
  background: radial-gradient(circle at 28% 14%, rgba(67, 56, 202, 0.2) 0%, transparent 62%),
              radial-gradient(circle at 76% 72%, rgba(79, 70, 229, 0.22) 0%, transparent 60%),
              radial-gradient(circle at 50% 78%, rgba(99, 102, 241, 0.18) 0%, transparent 64%),
              radial-gradient(circle at 86% 32%, rgba(129, 140, 248, 0.12) 0%, transparent 58%);
  filter: blur(28px);
  opacity: 0.7;
  animation: heroBloom 28s ease-in-out infinite alternate;
}

.gradient-bg > .max-w-4xl,
.gradient-bg > .max-w-7xl {
  position: relative;
  z-index: 2;
}

@keyframes heroBloom {
  0% { transform: translate3d(-3%, -2%, 0) scale(1); }
  50% { transform: translate3d(2%, 3%, 0) scale(1.02); }
  100% { transform: translate3d(-2%, 1%, 0) scale(1.03); }
}

:root {
  /* Статьи: фиолетовая палитра как на главной и в курсах */
  --primary: #4f46e5;        /* indigo-600 */
  --primary-light: #6366f1;  /* indigo-500 */
  --primary-dark: #4338ca;   /* indigo-700 */
  --primary-lighter: #eef2ff; /* indigo-50 */
  --accent: #4f46e5;
  --accent-light: #e0e7ff;   /* indigo-100 */
  --text-primary: #111827;
  --text-secondary: #374151;
  --text-tertiary: #6b7280;
  --bg-light: #f8fafc;
  --bg-lighter: #ffffff;
  --bg-header: #f1f5f9;
  --border-light: #e5e7eb;
  --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.05);
  --shadow-md: 0 4px 12px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 14px 28px rgba(15, 23, 42, 0.06);
  --shadow-hover: 0 18px 32px rgba(15, 23, 42, 0.08);
  --radius-sm: 0.375rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --radius-xl: 1rem;
  --font-sans: 'Montserrat', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'SF Mono', SFMono-Regular, ui-monospace, 'Cascadia Mono', 'Segoe UI Mono', 'Ubuntu Mono', 'Roboto Mono', Menlo, Monaco, Consolas, monospace;
}

/* Стили для мобильного меню */
#mobile-menu {
  transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s ease, height 0.3s ease;
  background-color: white;
  border-bottom: 1px solid var(--border-light);
  box-shadow: var(--shadow-sm);
}

/* Анимация иконки бургера */
.burger-icon {
  position: relative;
  display: inline-block;
  width: 24px;
  height: 24px;
  cursor: pointer;
}

.burger-icon .line {
  display: block;
  position: absolute;
  width: 18px;
  height: 2px;
  background-color: currentColor;
  left: 3px;
  transition: all 0.3s ease;
}

.burger-icon .line:nth-child(1) {
  top: 6px;
}

.burger-icon .line:nth-child(2) {
  top: 11px;
}

.burger-icon .line:nth-child(3) {
  top: 16px;
}

/* Анимация трансформации в крестик */
.burger-icon.is-active .line:nth-child(1) {
  transform: translateY(5px) rotate(45deg);
}

.burger-icon.is-active .line:nth-child(2) {
  opacity: 0;
}

.burger-icon.is-active .line:nth-child(3) {
  transform: translateY(-5px) rotate(-45deg);
}

/* Активное состояние линий бургера */
.burger-icon .line.active:nth-child(1) {
  transform: translateY(5px) rotate(45deg);
}

.burger-icon .line.active:nth-child(2) {
  opacity: 0;
}

.burger-icon .line.active:nth-child(3) {
  transform: translateY(-5px) rotate(-45deg);
}

/* Улучшенные стили для статей */
.article-content {
  max-width: 800px;
  margin: 0 auto;
  line-height: 1.7;
  font-family: var(--font-sans);
  color: var(--text-primary);
  font-size: 1.05rem;
}

.article-content h2 {
  color: var(--text-primary);
  font-size: 1.75rem;
  font-weight: 600;
  margin-top: 2rem;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-light);
}

.article-content h3 {
  color: var(--text-primary);
  font-size: 1.5rem;
  font-weight: 600;
  margin-top: 1.75rem;
  margin-bottom: 0.75rem;
}

.article-content p {
  margin-bottom: 1.25rem;
  color: var(--text-secondary);
}

.article-content a {
  color: var(--primary);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.article-content a:hover {
  color: var(--primary-dark);
  border-bottom-color: var(--primary-dark);
}

/* Стили для кода */
.article-content pre {
  background-color: var(--bg-light);
  border-radius: var(--radius-lg);
  padding: 1rem;
  margin: 1.5rem 0;
  overflow-x: auto;
  border: 1px solid var(--border-light);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  line-height: 1.6;
  box-shadow: var(--shadow-sm);
}

.article-content code {
  font-family: var(--font-mono);
  font-size: 0.9em;
  padding: 0.2em 0.4em;
  background-color: var(--bg-light);
  border-radius: var(--radius-sm);
  color: var(--primary-dark);
}

.article-content pre code {
  background-color: transparent;
  padding: 0;
  color: var(--text-primary);
}

/* Стили для списков */
.article-content ul, 
.article-content ol {
  margin: 1.25rem 0;
  padding-left: 1.5rem;
  color: var(--text-secondary);
}

.article-content li {
  margin-bottom: 0.5rem;
  position: relative;
}

/* Стили для списков с иконками */
.article-content ul.with-icons {
  list-style: none;
  padding-left: 0;
}

.article-content ul.with-icons li {
  padding-left: 2rem;
  margin-bottom: 0.75rem;
  position: relative;
  overflow-wrap: break-word;
  word-wrap: break-word;
  max-width: 100%;
}

.article-content ul.with-icons li::before {
  content: '\f00c';
  font-family: 'Font Awesome 6 Free';
  font-weight: 600;
  position: absolute;
  left: 0;
  top: 0.25rem;
  color: var(--primary);
  font-size: 0.875rem;
}

.article-content ul.with-icons li::before {
  content: '\f058';
}

/* Альтернативные иконки для разных типов списков */
.article-content ul.with-icons.check-list li::before {
  content: '\f058';
}

.article-content ul.with-icons.star-list li::before {
  content: '\f005';
}

.article-content ul.with-icons.arrow-list li::before {
  content: '\f061';
}

/* Стили для блоков с примечаниями */
.article-content blockquote {
  border-left: 4px solid var(--primary);
  padding: 1rem 1.5rem;
  margin: 1.5rem 0;
  background-color: var(--primary-lighter);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.article-content blockquote p {
  margin: 0;
  color: var(--text-primary);
}

/* Стили для изображений */
.article-content img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  margin: 1.5rem 0;
  box-shadow: var(--shadow-sm);
}

/* Стили для таблиц */
.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 0.95rem;
}

.article-content th {
  background-color: var(--bg-header);
  color: var(--text-primary);
  font-weight: 600;
  text-align: left;
  padding: 0.75rem 1rem;
  border-bottom: 2px solid var(--border-light);
}

.article-content td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--border-light);
  color: var(--text-secondary);
}

.article-content tr:nth-child(even) {
  background-color: var(--bg-light);
}

/* Стили для кнопок */
.btn-primary {
  display: inline-block;
  background-color: var(--primary);
  color: white;
  font-weight: 600;
  padding: 0.85rem 1.65rem;
  border-radius: 9999px;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
  border: none;
  cursor: pointer;
  box-shadow: 0 18px 35px rgba(79, 70, 229, 0.35);
}

.btn-primary:hover {
  background-color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 22px 40px rgba(67, 56, 202, 0.42);
}

.btn-secondary {
  display: inline-block;
  background-color: var(--bg-light);
  color: var(--text-primary);
  font-weight: 500;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: background-color 0.2s ease;
  border: 1px solid var(--border-light);
  cursor: pointer;
}

.btn-secondary:hover {
  background-color: var(--bg-header);
}

/* Стили для заголовка статьи */
.article-header {
  background-color: var(--bg-header);
  padding: 3rem 1.5rem;
  text-align: center;
  margin-bottom: 2rem;
}

.article-header h1 {
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.article-meta {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1.75rem;
  color: var(--text-tertiary);
  font-size: 0.95rem;
}

.article-meta span {
  display: flex;
  align-items: center;
}

.article-meta i {
  margin-right: 0.5rem;
}

/* Стили для выделенных блоков */
.article-content .highlight-box {
  background-color: var(--primary-lighter);
  border: 1px solid var(--primary);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  margin: 1.5rem 0;
  box-shadow: var(--shadow-sm);
  overflow-wrap: break-word;
  word-wrap: break-word;
  word-break: break-word;
  max-width: 100%;
  box-sizing: border-box;
  overflow-x: hidden;
}

.article-content .highlight-box * {
  max-width: 100%;
  overflow-wrap: break-word;
  word-wrap: break-word;
}

.article-content .warning-box {
  background-color: var(--primary-lighter);
  border: 1px solid var(--primary);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  margin: 1.5rem 0;
  box-shadow: var(--shadow-sm);
  color: var(--text-primary);
}

.article-content .success-box {
  background-color: var(--primary-lighter);
  border: 1px solid var(--primary);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  margin: 1.5rem 0;
  box-shadow: var(--shadow-sm);
  color: var(--text-primary);
}

.article-content .code-result {
  background-color: var(--primary-lighter);
  border: 1px solid var(--primary);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  margin: 1rem 0;
  font-family: var(--font-mono);
  color: var(--text-primary);
}

/* Скрываем дату и информацию об авторе */
.article-meta .meta-item:has(.fa-calendar-alt),
.article-meta .meta-item:has(.fa-user) {
  display: none !important;
}

/* Закрепленное оглавление слева */
.article-layout {
  display: flex;
  gap: 2rem;
  max-width: 1100px;
  margin: 0 auto;
  position: relative;
  padding: 0 1rem;
}

.table-of-contents {
  position: sticky;
  top: 100px;
  width: 240px;
  height: fit-content;
  background-color: var(--bg-lighter);
  border-radius: 0.5rem;
  padding: 1.5rem;
  border: 1px solid var(--border-light);
}

.table-of-contents h3 {
  margin-top: 0;
  margin-bottom: 1rem;
  color: var(--text-primary);
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-light);
}

.table-of-contents h3 i {
  margin-right: 0.5rem;
  color: var(--text-tertiary);
  font-size: 0.75rem;
}

.table-of-contents ul {
  list-style: none;
  padding-left: 0;
  margin: 0;
}

.table-of-contents li {
  margin-bottom: 0.375rem;
}

.table-of-contents a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.2s ease;
  display: block;
  padding: 0.5rem 0;
  font-size: 0.875rem;
  line-height: 1.5;
  font-weight: 400;
}

.table-of-contents a:hover {
  color: var(--primary);
}

.table-of-contents a.active {
  color: var(--primary);
  font-weight: 500;
}

.article-content {
  flex: 1;
  max-width: none;
  margin: 0;
  min-width: 0;
  overflow-wrap: break-word;
  word-wrap: break-word;
}

/* Адаптивность для мобильных устройств */
@media (max-width: 1024px) {
  .article-layout {
    flex-direction: column;
    gap: 1.75rem;
  }
  
  .table-of-contents {
    position: static;
    width: 100%;
    order: -1;
    padding: 1.25rem;
  }
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.75rem;
  height: 1.75rem;
  background-color: var(--primary);
  color: white;
  border-radius: 50%;
  font-weight: bold;
  margin-right: 0.75rem;
  font-size: 0.875rem;
}

.code-block {
  position: relative;
  margin: 1.5rem 0;
}

.code-block .copy-button {
  position: absolute;
  top: 0.5rem;
  right: 0.75rem;
  background-color: var(--primary);
  color: white;
  border: none;
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  cursor: pointer;
  transition: all 0.2s ease;
  z-index: 10;
}

.code-block .copy-button:hover {
  background-color: var(--primary-dark);
  transform: scale(1.05);
}

.code-block .copy-button.copied {
  background-color: var(--primary-dark);
}

.code-block-header {
  background-color: #1e293b;
  color: #f8fafc;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  border-bottom: 1px solid #334155;
}

.code-block-content {
  background-color: #1e293b;
  color: #f8fafc;
  padding: 1.25rem;
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  line-height: 1.6;
  white-space: pre;
  word-wrap: break-word;
  tab-size: 2;
}

/* Подсветка синтаксиса */
.code-block-content .comment {
  color: #94a3b8;
  font-style: italic;
}

.code-block-content .string {
  color: #a5b4fc;
}

.code-block-content .keyword {
  color: #818cf8;
  font-weight: bold;
}

.code-block-content .number {
  color: #818cf8;
}

.code-block-content .function {
  color: #6366f1;
}

.interactive-demo {
  background-color: var(--bg-light);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  margin: 1.5rem 0;
  text-align: center;
}

.demo-button {
  background-color: var(--primary);
  color: white;
  border: none;
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  font-size: 1rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  margin: 0.75rem;
}

.demo-button:hover {
  background-color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.demo-output {
  background-color: white;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 1rem;
  margin-top: 1rem;
  font-family: var(--font-mono);
  min-height: 3rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Специальные стили для статьи о tkinter */
.article-content h2.tkinter {
  border-bottom-color: var(--accent);
  background-color: #eef2ff;
}

.article-content h3.tkinter {
  border-left-color: var(--accent);
  background-color: #eef2ff;
}

.article-content .highlight-box.tkinter {
  background-color: #eef2ff;
  border-color: var(--accent);
}

.article-content .table-of-contents.tkinter a:hover {
  color: var(--accent);
  background-color: #eef2ff;
  border-left-color: var(--accent);
}

.step-number.tkinter {
  background-color: var(--accent);
}

.app-preview {
  background-color: var(--bg-light);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  margin: 1.5rem 0;
  text-align: center;
}

.app-window {
  background-color: white;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 1rem;
  margin: 1rem auto;
  max-width: 400px;
  box-shadow: var(--shadow-sm);
}

.app-titlebar {
  background-color: var(--accent);
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 0.25rem 0.25rem 0 0;
  font-weight: bold;
  margin: -1rem -1rem 1rem -1rem;
}

.app-content {
  padding: 1rem;
}

.note-item {
  background-color: var(--primary-lighter);
  border: 1px solid var(--primary);
  border-radius: var(--radius-md);
  padding: 0.75rem;
  margin: 0.5rem 0;
  text-align: left;
}

.note-title {
  font-weight: bold;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.note-text {
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* Кнопки навигации */
.article-navigation {
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-light);
}

.nav-buttons {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.nav-button {
  display: inline-flex;
  align-items: center;
  padding: 0.85rem 1.65rem;
  background-color: var(--primary);
  color: white;
  text-decoration: none;
  border-radius: 9999px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
  box-shadow: 0 18px 35px rgba(79, 70, 229, 0.35);
}

.nav-button:hover {
  background-color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 22px 40px rgba(67, 56, 202, 0.42);
  color: white;
  text-decoration: none;
}

.nav-button.back {
  background-color: var(--text-tertiary);
}

.nav-button.back:hover {
  background-color: var(--text-secondary);
}

/* Шапка статей на мобилке: логотип и кнопки не налезают */
@media (max-width: 768px) {
  nav .max-w-4xl,
  nav .max-w-7xl {
    padding-left: 1.25rem;
    padding-right: 1.25rem;
  }
  nav .flex.justify-between {
    gap: 1.75rem;
    min-height: 3.5rem;
    align-items: center;
    flex-wrap: nowrap;
    padding: 0.5rem 0;
  }
  nav .flex.justify-between > div:first-child {
    min-width: 0;
    flex-shrink: 1;
  }
  nav .flex.justify-between > div:last-child {
    flex-shrink: 0;
    padding-left: 0.25rem;
  }
  nav a[href="../index.html"] img {
    height: 1.75rem;
    width: auto;
    flex-shrink: 0;
  }
  nav .text-lg.font-semibold,
  nav .text-xl.font-semibold,
  nav .header-title {
    font-size: 0.9375rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 120px;
  }
  nav .space-x-4 a,
  nav .nav-link {
    padding: 0.5rem 0.75rem;
    font-size: 0.8125rem;
    white-space: nowrap;
    margin-left: 0.25rem;
  }
  nav .space-x-4 {
    gap: 0.5rem;
    display: flex;
    flex-wrap: nowrap;
    align-items: center;
  }
}

@media (max-width: 480px) {
  nav .max-w-4xl,
  nav .max-w-7xl {
    padding-left: 1.25rem;
    padding-right: 1.25rem;
  }
  nav .flex.justify-between {
    gap: 1.25rem;
  }
  nav .text-lg.font-semibold,
  nav .text-xl.font-semibold,
  nav .header-title {
    max-width: 95px;
  }
  nav .space-x-4 a,
  nav .nav-link {
    padding: 0.4rem 0.5rem;
    font-size: 0.75rem;
  }
}

/* Адаптивность */
@media (max-width: 768px) {
  .article-content {
    max-width: 100%;
    padding: 0 1rem;
  }
  
  .article-content h2 {
    font-size: 1.5rem;
  }
  
  .article-content h3 {
    font-size: 1.25rem;
  }
  
  .code-block-content {
    padding: 1rem;
    font-size: 0.8rem;
    white-space: pre-wrap;
  }
  
  .table-of-contents {
    padding: 1rem;
  }
  
  .app-window {
    max-width: 100%;
  }
  
  .nav-buttons {
    flex-direction: column;
    gap: 0.75rem;
  }
  
  .nav-button {
    width: 100%;
    justify-content: center;
  }
} 

.article-content a.btn-primary {
  color: #ffffff !important;
  text-decoration: none;
  border: none;
}

.article-content a.btn-secondary {
  color: var(--text-primary) !important;
  text-decoration: none;
  border: 1px solid var(--border-light);
}