/* === Сброс и база === */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --bg-primary: #0d1117;
  --bg-secondary: #161b22;
  --bg-accent: #1c2128;
  --bg-hover: #262c36;
  --border: #30363d;
  --text-primary: #e6edf3;
  --text-secondary: #8b949e;
  --text-muted: #6e7681;
  --accent: #58a6ff;
  --accent-glow: rgba(88, 166, 255, 0.12);
  --section-line: #3fb950;
  --conclusion-bg: rgba(88, 166, 255, 0.06);
  --conclusion-border: rgba(88, 166, 255, 0.25);
  --radius: 12px;
  --radius-sm: 8px;
  --max-width: 720px;
}

body {
  font-family: 'Georgia', 'Noto Serif', 'Times New Roman', serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.8;
  min-height: 100vh;
  font-size: 17px;
}

/* === Шапка === */
header {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  padding: 1.25rem 2rem;
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(10px);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
}

.logo {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

/* === Макет === */
.container {
  display: flex;
  max-width: 1200px;
  margin: 0 auto;
  padding: 2rem;
  gap: 2rem;
  min-height: calc(100vh - 70px);
}

/* === Боковая панель === */
#sidebar {
  width: 240px;
  flex-shrink: 0;
  position: sticky;
  top: 90px;
  max-height: calc(100vh - 110px);
  overflow-y: auto;
}

#sidebar h2 {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
  padding-left: 0.5rem;
}

#dates-list {
  list-style: none;
}

#dates-list li {
  margin-bottom: 0.2rem;
}

#dates-list li a {
  display: block;
  padding: 0.55rem 0.75rem;
  color: var(--text-secondary);
  text-decoration: none;
  border-radius: var(--radius-sm);
  transition: all 0.15s ease;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 0.9rem;
  border-left: 3px solid transparent;
}

#dates-list li a:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

#dates-list li a.active {
  background: var(--accent-glow);
  color: var(--accent);
  border-left-color: var(--accent);
  font-weight: 600;
}

/* === Основной контент === */
#main-content {
  flex: 1;
  min-width: 0;
  max-width: var(--max-width);
}

#digest-content {
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

/* === Заголовок дайджеста === */
.digest-title {
  font-size: 2.2rem;
  font-weight: 800;
  line-height: 1.25;
  color: var(--text-primary);
  letter-spacing: -0.03em;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}

/* === Summary === */
.digest-summary {
  font-size: 1.15rem;
  line-height: 1.85;
  color: var(--text-secondary);
  font-style: italic;
  padding: 1.5rem 1.75rem;
  border-left: 3px solid var(--accent);
  background: var(--accent-glow);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

/* === Секция === */
.digest-section {
  padding-top: 0.5rem;
}

.section-title {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 1.1rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--section-line);
  margin-bottom: 1.25rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid rgba(63, 185, 80, 0.3);
}

/* === Bullet-список === */
.bullet-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.bullet-list li {
  position: relative;
  padding-left: 1.75rem;
  line-height: 1.8;
  color: var(--text-primary);
}

.bullet-list li::before {
  content: '•';
  position: absolute;
  left: 0;
  top: 0;
  color: var(--accent);
  font-size: 1.3em;
  line-height: 1.6;
}

/* === Conclusion === */
.digest-conclusion {
  padding: 2rem 2rem;
  background: var(--conclusion-bg);
  border: 1px solid var(--conclusion-border);
  border-radius: var(--radius);
  line-height: 1.85;
  color: var(--text-primary);
}

.digest-conclusion::before {
  content: 'Итог дня';
  display: block;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 1rem;
}

/* === Пустое состояние === */
.empty-state {
  text-align: center;
  padding: 4rem 2rem;
  color: var(--text-secondary);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.empty-state .emoji {
  font-size: 3rem;
  margin-bottom: 1rem;
  display: block;
}

/* === Лоадер === */
#loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  padding: 3rem;
  color: var(--text-secondary);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

.spinner {
  width: 40px;
  height: 40px;
  border: 3px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.hidden {
  display: none !important;
}

/* === Скроллбар === */
#sidebar::-webkit-scrollbar {
  width: 6px;
}

#sidebar::-webkit-scrollbar-track {
  background: transparent;
}

#sidebar::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 3px;
}

/* === Адаптив === */
@media (max-width: 768px) {
  .container {
    flex-direction: column;
    padding: 1rem;
    gap: 1rem;
  }

  #sidebar {
    width: 100%;
    position: static;
    max-height: none;
  }

  #dates-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
  }

  #dates-list li a {
    border-left: none;
    border-bottom: 2px solid transparent;
    border-radius: var(--radius-sm);
  }

  #dates-list li a.active {
    border-bottom-color: var(--accent);
    border-left-color: transparent;
  }

  header {
    padding: 0.75rem 1rem;
  }

  .digest-title {
    font-size: 1.65rem;
  }

  .digest-summary {
    font-size: 1.05rem;
    padding: 1.25rem;
  }

  body {
    font-size: 16px;
  }

  .bullet-list li {
    padding-left: 1.5rem;
  }
}