/* ================================
   Technológie internetu - Bootstrap Custom CSS
   ================================ */

:root {
  --custom-primary: #0d6efd;
  --custom-secondary: #20c997;
}

[data-bs-theme="dark"] {
  --custom-primary: #6ea8fe;
  --custom-secondary: #20c997;
}

/* Dark mode toggle button */
.theme-toggle {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 1050;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  border: none;
  background: var(--bs-body-bg);
  box-shadow: 0 2px 10px rgba(0,0,0,0.2);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.theme-toggle:hover {
  transform: scale(1.1);
  box-shadow: 0 4px 15px rgba(0,0,0,0.3);
}

.theme-toggle i {
  font-size: 1.25rem;
  color: var(--bs-body-color);
}

/* Smooth transitions for theme switch */
* {
  transition: background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease;
}

/* Header styling */
.site-header {
  background: var(--bs-body-bg);
  border-bottom: 1px solid var(--bs-border-color);
  box-shadow: 0 2px 10px rgba(0,0,0,0.05);
}

/* Sidebar sticky positioning */
.sidebar-wrapper {
  position: sticky;
  top: 100px;
  max-height: calc(100vh - 120px);
  overflow-y: auto;
}

/* Custom scrollbar for sidebar */
.sidebar-wrapper::-webkit-scrollbar {
  width: 6px;
}

.sidebar-wrapper::-webkit-scrollbar-track {
  background: transparent;
}

.sidebar-wrapper::-webkit-scrollbar-thumb {
  background: var(--bs-secondary);
  border-radius: 3px;
}

.sidebar-wrapper::-webkit-scrollbar-thumb:hover {
  background: var(--custom-secondary);
}

/* Week badge custom styling */
.week-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

/* Task box hover effect */
.task-box {
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.task-box:hover {
  transform: translateY(-2px);
  box-shadow: 0 0.5rem 1rem rgba(0,0,0,0.15) !important;
}

/* Link arrow animation */
.link-list a::before {
  content: "→";
  margin-right: 0.5rem;
  transition: transform 0.2s ease;
  display: inline-block;
}

.link-list a:hover::before {
  transform: translateX(5px);
}

/* Active sidebar link with left border */
.sidebar-nav .nav-link.active {
  border-left: 3px solid var(--bs-primary);
  padding-left: 1rem !important;
}

/* Smooth scroll offset for anchor links */
section[id] {
  scroll-margin-top: 100px;
}

/* Footer links hover effect */
.footer-links a {
  transition: color 0.2s ease, padding-left 0.2s ease;
}

.footer-links a:hover {
  padding-left: 0.5rem;
}

/* Alert icons */
.alert-custom-icon {
  font-size: 1.2rem;
  margin-right: 0.5rem;
}

/* Responsive adjustments */
@media (max-width: 991px) {
  .theme-toggle {
    top: 10px;
    right: 10px;
    width: 45px;
    height: 45px;
  }
  
  .sidebar-wrapper {
    position: static;
    max-height: none;
    margin-bottom: 2rem;
  }
}

/* Print styles */
@media print {
  .theme-toggle,
  .sidebar-wrapper,
  .site-header nav {
    display: none !important;
  }
}

/* Custom button hover effects */
.btn-hover-lift:hover {
  transform: translateY(-2px);
  box-shadow: 0 0.5rem 1rem rgba(0,0,0,0.15);
}

/* Week section scroll animation */
@media (prefers-reduced-motion: no-preference) {
  .week-section {
    animation: fadeIn 0.5s ease-in;
  }
  
  @keyframes fadeIn {
    from {
      opacity: 0;
      transform: translateY(20px);
    }
    to {
      opacity: 1;
      transform: translateY(0);
    }
  }
}

/* Disable animations for users who prefer reduced motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }
  
  .theme-toggle:hover,
  .task-box:hover,
  .btn-hover-lift:hover {
    transform: none !important;
  }
}
[data-bs-theme="dark"] .card-header.bg-light {
    background-color: #2b3035 !important;
    color: #fff !important;
}

[data-bs-theme="dark"] .card-header.bg-light .h5 {
    color: #fff !important;
}

/* ================================
   Týždeň 2 – doplnkové CSS štýly
   Pridaj na koniec súboru assets/style-bootstrap.css
   ================================ */

/* Prompt blok – okno na kopírovanie */
.prompt-block {
    background-color: #1e1e1e;
    border-radius: 8px;
    padding: 1rem 1rem 1rem 1.25rem;
    margin-top: 0.5rem;
    overflow-x: auto;
}

.prompt-block pre {
    color: #d4d4d4;
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.85rem;
    line-height: 1.6;
    margin: 0;
    white-space: pre-wrap;
    word-break: break-word;
}

/* Kopírovacie tlačidlo */
.copy-btn {
    position: absolute;
    top: 0.6rem;
    right: 0.6rem;
    font-size: 0.75rem;
    z-index: 10;
    background-color: #2d2d2d;
    border-color: #555;
    color: #ccc;
}

.copy-btn:hover {
    background-color: #3a3a3a;
    border-color: #888;
    color: #fff;
}

/* Code block – jednoduchší blok pre krátke ukážky kódu */
.code-block {
    background-color: #f8f9fa;
    border: 1px solid #dee2e6;
    border-left: 4px solid var(--bs-primary);
    border-radius: 4px;
    padding: 0.75rem 1rem;
    overflow-x: auto;
}

.code-block pre {
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.85rem;
    color: #212529;
    margin: 0;
    white-space: pre-wrap;
    word-break: break-word;
}

/* Dark mode – prompt blok */
[data-bs-theme="dark"] .code-block {
    background-color: #2b3035;
    border-color: #495057;
    border-left-color: var(--bs-primary);
}

[data-bs-theme="dark"] .code-block pre {
    color: #e9ecef;
}

[data-bs-theme="dark"] .prompt-block {
    background-color: #161b22;
}

/* ================================
   HIGHLIGHT.JS — pridaj do <head>:

   <link rel="stylesheet"
     href="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/11.9.0/styles/atom-one-dark.min.css">

   A pred </body>:
   <script src="https://cdnjs.cloudflare.com/ajax/libs/highlight.js/11.9.0/highlight.min.js"></script>
   <script>hljs.highlightAll();</script>

   Potom sa automaticky zvýrazní každý <code class="language-php"> blok.
   ================================ */

/* ================================
   CODE BLOCK — krátke ukážky kódu
   ================================ */

.code-block {
    background-color: #282c34;       /* tmavé pozadie — ako editor */
    border: none;
    border-left: 4px solid var(--bs-primary);
    border-radius: 6px;
    padding: 0;
    overflow: hidden;
    margin-top: 0.5rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

.code-block pre {
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.85rem;
    color: #abb2bf;                  /* svetlošedá — klasická editor farba */
    margin: 0;
    padding: 1rem 1.25rem;
    white-space: pre-wrap;
    word-break: break-word;
    line-height: 1.7;
    overflow-x: auto;
}

/* Dark mode — code-block je už tmavý, len jemne upravíme border */
[data-bs-theme="dark"] .code-block {
    border-left-color: var(--bs-primary);
    box-shadow: 0 2px 8px rgba(0,0,0,0.4);
}

[data-bs-theme="dark"] .code-block pre {
    color: #abb2bf;
}

/* ================================
   CODE BLOCK WRAP — blok s hlavičkou (label + copy button)
   ================================ */

.code-block-wrap {
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.15);
    margin-top: 0.5rem;
}

.code-label {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: #21252b;       /* o niečo tmavší ako kód */
    padding: 0.4rem 1rem;
    border-bottom: 1px solid #181a1f;
}

.code-label span {
    font-size: 0.75rem;
    font-family: 'Courier New', Courier, monospace;
    color: #636d83;
    letter-spacing: 0.03em;
    text-transform: lowercase;
}

/* Farebné bodky v hlavičke — ako macOS terminál */
.code-label::before {
    content: "● ● ●";
    font-size: 0.6rem;
    letter-spacing: 0.2em;
    color: #636d83;
    margin-right: 0.75rem;
}

.code-block-wrap pre {
    background-color: #282c34;
    margin: 0;
    padding: 1.1rem 1.25rem;
    overflow-x: auto;
}

.code-block-wrap pre code {
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.85rem;
    color: #abb2bf;
    line-height: 1.7;
    background: none;
    padding: 0;
}

/* Copy button vo vnútri code-block-wrap */
.code-block-wrap .copy-btn {
    position: static;              /* nie absolute — je v hlavičke */
    font-size: 0.72rem;
    padding: 0.15rem 0.5rem;
    background-color: #2d313a;
    border-color: #4b5263;
    color: #abb2bf;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.2s ease, color 0.2s ease;
}

.code-block-wrap .copy-btn:hover {
    background-color: #3e4451;
    border-color: #636d83;
    color: #fff;
}

/* Dark mode — code-block-wrap */
[data-bs-theme="dark"] .code-label {
    background-color: #1a1d23;
    border-bottom-color: #0d0f12;
}

[data-bs-theme="dark"] .code-block-wrap pre {
    background-color: #1e2127;
}

/* ================================
   PROMPT BLOCK — blok na kopírovanie promptu
   ================================ */

.prompt-block {
    background-color: #1e2127;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.2);
    margin-top: 0.5rem;
    border: 1px solid #3e4451;
}

/* Hlavička prompt bloku */
.prompt-block::before {
    content: "💬  Prompt — skopíruj a vlož do Claude AI";
    display: block;
    background-color: #21252b;
    color: #636d83;
    font-size: 0.75rem;
    font-family: 'Courier New', Courier, monospace;
    padding: 0.4rem 1rem;
    border-bottom: 1px solid #181a1f;
    letter-spacing: 0.02em;
}

.prompt-block pre {
    color: #d4d4d4;
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.85rem;
    line-height: 1.7;
    margin: 0;
    padding: 1.1rem 1.25rem;
    white-space: pre-wrap;
    word-break: break-word;
    overflow-x: auto;
}

/* Kopírovacie tlačidlo v prompt bloku */
.prompt-block .copy-btn {
    position: absolute;
    top: 2.4rem;                     /* pod hlavičkou */
    right: 0.75rem;
    font-size: 0.72rem;
    padding: 0.15rem 0.5rem;
    background-color: #2d313a;
    border-color: #4b5263;
    color: #abb2bf;
    border-radius: 4px;
    z-index: 10;
    transition: background-color 0.2s ease, color 0.2s ease;
}

.prompt-block .copy-btn:hover {
    background-color: #3e4451;
    border-color: #636d83;
    color: #fff;
}

/* Dark mode — prompt block je už tmavý, len border */
[data-bs-theme="dark"] .prompt-block {
    border-color: #2d313a;
    box-shadow: 0 2px 10px rgba(0,0,0,0.5);
}

/* ================================
   HIGHLIGHT.JS — farebná schéma pre PHP
   Ak nepoužívaš highlight.js, tieto farby sa neaplikujú.
   Ak áno — atom-one-dark téma ladí s týmto CSS.

   Kľúčové farby atom-one-dark:
   Kľúčové slová (function, class, public):  #c678dd  fialová
   Reťazce ("text"):                         #98c379  zelená
   Čísla:                                    #d19a66  oranžová
   Komentáre (// ...):                       #5c6370  šedá
   Funkcie:                                  #61afef  modrá
   Premenné ($var):                          #e06c75  červená
   ================================ */