/* ========== ROOT VARIABILE ========== */
:root {
  /* LIGHT MODE */
  --color-bg-seashell: #FFF5EE;
  --color-text-light: #000;
  --color-link-light: #007bff;
  --color-link-hover-light: #0056b3;
  --color-table-header-light: #f0f0f0;
  --color-caption-light: #666;
  --color-border-light: #ccc;

  /* DARK MODE */
  --color-bg-dark: #121212;
  --color-text-dark: #fff;
  --color-h2-dark: lightblue;
  --color-h3-dark: #ffd700;
  --color-bold-dark: #ffd700;
  --color-table-header-dark: #333;
  --color-list-hover-bg-dark: #333;
  --color-list-hover-text-dark: whitesmoke;
  --color-svg-fill-dark: lightskyblue;
  --color-border-dark: #444;

  /* Risk profile colors */
  --color-risk-low: #4caf50;
  --color-risk-medium: #ff9800;
  --color-risk-high: #f44336;

  /* Misc */
  --transition-fast: 0.3s ease;

  /* Common spacing */
  --max-width: 800px;
  --section-padding: 2rem;
  --section-margin: 2rem auto;
  --border-radius: 8px;
}

/* ========== GLOBAL RESET & BASE ========== */
html { scroll-behavior: smooth; }

body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  background-color: var(--color-bg-seashell);
  color: var(--color-text-light);
  text-align: center;
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

html.dark body {
  background-color: var(--color-bg-dark);
  color: var(--color-text-dark);
}

/* ========== TYPOGRAFIJA ========== */
h2 {
  font-size: 2rem;
  margin-bottom: 1rem;
  color: var(--color-text-light);
}
h3 {
  font-size: 1.5rem;
  margin-top: 2rem;
  color: var(--color-text-light);
}
html.dark h2 { color: var(--color-h2-dark); }
html.dark h3 { color: var(--color-h3-dark); }

b { font-weight: bold; }
html.dark b { color: var(--color-bold-dark); }

/* ========== SEKCIJE & SADRŽAJ ========== */
section,
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: var(--section-padding);
  box-sizing: border-box;
  text-align: center;
}
section > div { margin-bottom: 2rem; }

section.vs-section {
  scroll-margin-top: 8rem;
  margin: var(--section-margin);
  padding: 1rem 2rem;
  background: var(--color-bg-seashell);
  border-radius: var(--border-radius);
  box-shadow: 0 0 10px #ddd;
  text-align: left;
}
html.dark section.vs-section {
  background: var(--color-bg-dark);
  box-shadow: 0 0 10px #222;
}
section.vs-section h3 { margin-top: 0; }

/* ========== NAVIGACIJA ========== */
nav {
  max-width: var(--max-width);
  margin: 1rem auto;
  padding: 0 1rem;
  font-size: 1rem;
  line-height: 2rem;
  box-sizing: border-box;
  text-align: center;
}
nav.vs-nav {
  position: sticky;
  top: 0;
  background-color: var(--color-bg-seashell);
  padding: 1rem 2rem;
  border-bottom: 2px solid var(--color-border-light);
  z-index: 999;
  text-align: left;
  max-width: var(--max-width);
  margin: 0 auto 2rem auto;
  box-sizing: border-box;
}
html.dark nav.vs-nav {
  background-color: var(--color-bg-dark);
  border-color: var(--color-border-dark);
}
nav.vs-nav ul {
  display: flex;
  gap: 2rem;
  list-style: none;
  margin: 0;
  padding: 0;
}
ul {
  list-style-type: disc;
  padding-left: 1.2rem;
  margin-bottom: 1rem;
}
nav.vs-nav a,
nav ul li a {
  color: var(--color-link-light);
  font-weight: bold;
  text-decoration: none;
  cursor: pointer;
  padding: 0.4rem 0.6rem;
  border-radius: var(--border-radius);
  transition: background-color var(--transition-fast), color var(--transition-fast);
  display: inline-block;
}
html.dark nav.vs-nav a,
html.dark nav ul li a { color: var(--color-svg-fill-dark); }

nav.vs-nav a:hover,
nav.vs-nav a:focus,
body:not(.dark) nav ul li a:hover,
body:not(.dark) nav ul li a:focus {
  background-color: rgba(0, 123, 255, 0.1);
  color: var(--color-link-hover-light);
  outline: none;
}
html.dark nav.vs-nav a:hover,
html.dark nav.vs-nav a:focus,
body.dark nav ul li a:hover,
body.dark nav ul li a:focus {
  background-color: var(--color-list-hover-bg-dark);
  color: var(--color-list-hover-text-dark);
  outline: none;
}

/* ========== TABELA ========== */
.vs-section .table-container {
  overflow-x: auto;
  width: 100%;
  margin: 1rem 0;
}
.vs-section table {
  min-width: 600px;
  width: 100%;
  border-collapse: collapse;
}
table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0;
}
thead tr { background-color: var(--color-table-header-light); }
html.dark thead tr { background-color: var(--color-table-header-dark); }
th, td {
  border: 1px solid var(--color-border-light);
  padding: 0.5rem;
  text-align: left;
}

/* ========== LINKOVI I GUMBI ========== */
.nav-button{
  display: block;                  /* da radi centriranje s auto marginom */
  width: max-content;              /* širina = koliko treba za tekst */
  margin: 20px auto 0;             /* centar (auto lijevo/desno) */
  padding: 8px 16px;
  background-color: var(--color-link-light);
  color: #fff;
  text-decoration: none;
  border-radius: 6px;
  white-space: nowrap;
  transition: background-color var(--transition-fast);
}
.nav-button:hover{ background-color: var(--color-link-hover-light); }


a.styled-link {
  color: var(--color-link-light);
  font-weight: bold;
  text-decoration: none;
}
a.styled-link:hover { text-decoration: underline; }

nav ul li a:hover {
  transform: scale(1.05);
  transition: transform var(--transition-fast), color var(--transition-fast);
}

/* ========== VIDEO & SLIKE ========== */
video.responsive-video,
.responsive-video {
  width: 100%;
  height: auto;
  max-width: 480px;
  margin: 0 auto;
  display: block;
  border-radius: var(--border-radius);
  border: 1px solid var(--color-border-light);
}
.image-container { margin-top: 2rem; text-align: center; }
.image-container img {
  max-width: 100%;
  height: auto;
  border: 1px solid var(--color-border-light);
  border-radius: var(--border-radius);
}
.caption { font-size: 0.9rem; color: var(--color-caption-light); }

/* ========== QUIZ FEEDBACK ========== */
.feedback { font-style: italic; font-weight: bold; padding: 0.5rem; border-radius: 6px; margin-top: 1rem; }
.feedback.correct { color: green; }
.feedback.incorrect { color: darkred; }

/* ========== TOGGLE DARK MODE GUMB ========== */
#modeToggle {
  background: none;
  border: none;
  cursor: pointer;
  position: fixed;
  top: 20px;
  right: 20px;
}
svg { width: 32px; height: 32px; fill: var(--color-svg-fill-dark); }

/* ========== FOOTER (ujednačeno s welcome) ========== */
.site-footer{
  position: static; /* nije sticky po defaultu */
  background: var(--color-card, #111);
  border-top: 1px solid var(--color-card-border, rgba(255,255,255,.15));
  color: var(--color-muted, #bbb);
  font-size: 0.875rem; /* ~14px */
}
.site-footer .footer-inner{
  max-width: 1100px;               /* uskladi po potrebi */
  margin-inline: auto;
  padding: 8px 24px;               /* niži footer */
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}
.site-footer p{
  margin: 0;                       /* fix: ne povećava visinu */
  line-height: 1.2;
  padding: 0.7rem;
}
.site-footer .socials{
  display: flex;
  align-items: center;
  gap: 12px;
}
.site-footer .socials .social{
  text-decoration: none;
  opacity: .9;
}
.site-footer .socials .social:hover{ opacity: 1; }

/* Dark mode footer */
html.dark .site-footer {
  background-color: var(--color-bg-dark);
  color: var(--color-text-dark);
  border-top: 1px solid var(--color-border-dark);
}

/* Footer linkovi bijeli */
.site-footer a,
.site-footer .socials .social {
  color: #fff !important;
  text-decoration: none;
}
.site-footer a:hover,
.site-footer a:focus {
  color: #fff;
  text-decoration: underline;
  outline: none;
}
.site-footer a:visited { color: #fff !important; }

/* ========== RESPONSIVE LISTA ========== */
.responsive-list {
  flex-wrap: wrap;
  justify-content: center;
  padding-left: 0;
  margin: 0 auto;
  list-style: none;
  gap: 0.75rem 1.25rem;
  max-width: 100%;
}
.responsive-list li a {
  display: inline-block;
  transition: transform 0.2s ease;
}
.responsive-list li a:hover { transform: scale(1.05); }

.video-wrapper {
  position: relative;
  display: inline-block;
  max-width: 480px;
  margin: 0 auto 2rem auto;
  width: 100%;
}
.video-wrapper video {
  display: block;
  width: 100%;
  border-radius: var(--border-radius);
  border: 1px solid var(--color-border-light);
}
.video-overlay {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0, 0, 0, 0.6);
  color: white;
  font-size: 1.5rem;
  font-weight: bold;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--border-radius);
  opacity: 0;
  transition: opacity 0.3s ease;
  cursor: default;
  user-select: none;
}
.video-wrapper:hover .video-overlay { opacity: 1; }

/* Dark mode adjustments */
html.dark .video-overlay {
  background: rgba(255, 255, 255, 0.6);
  color: black;
}

/* pozadinski pattern */
body::before {
  content: "";
  position: fixed;
  top: 0; left: 0;
  width: 100vw; height: 100vh;
  z-index: -1;
  background-image:
    linear-gradient(45deg, rgba(0,0,0,0.03) 25%, transparent 25%),
    linear-gradient(-45deg, rgba(0,0,0,0.03) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, rgba(0,0,0,0.03) 75%),
    linear-gradient(-45deg, transparent 75%, rgba(0,0,0,0.03) 75%);
  background-size: 40px 40px;
  background-position: 0 0, 0 20px, 20px -20px, -20px 0;
}
html.dark body::before {
  background-image:
    linear-gradient(45deg, rgba(255,255,255,0.03) 25%, transparent 25%),
    linear-gradient(-45deg, rgba(255,255,255,0.03) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, rgba(255,255,255,0.03) 75%),
    linear-gradient(-45deg, transparent 75%, rgba(255,255,255,0.03) 75%);
}

/* ========== Sticky-to-bottom layout (footer uvijek dolje) ========== */
html, body { height: 100%; }
body {
  min-height: 100svh;        /* ili 100vh */
  display: flex;
  flex-direction: column;
}
.site-main { flex: 1 0 auto; }
.site-footer { margin-top: auto; }