:root{
  --bg:#0f1115;--card:#151923;--muted:#9aa4b2;--text:#e7eaf0;
  --accent:#4db6ff;--accent-2:#9fdaff;--border:#242a38;
}

/* Login System Styles */
.header-controls {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}

.leaderboard-link {
  color: #4db6ff;
  text-decoration: none;
  padding: 0.5rem 1rem;
  border: 1px solid #4db6ff;
  border-radius: 6px;
  transition: all 0.2s ease;
  font-weight: 500;
  font-size: 0.9rem;
}

.leaderboard-link:hover {
  background: #4db6ff;
  color: white;
}

@media (max-width: 768px) {
  .leaderboard-link {
    padding: 0.4rem 0.8rem;
    font-size: 0.8rem;
  }
}

.user-controls {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.login-btn, .logout-btn {
  background: #4db6ff;
  color: white;
  border: none;
  padding: 0.5rem 1rem;
  border-radius: 6px;
  cursor: pointer;
  font-size: 0.9rem;
}

.login-btn:hover, .logout-btn:hover {
  background: #3da3e6;
}

.logout-btn {
  background: #dc2626;
}

.logout-btn:hover {
  background: #b91c1c;
}

.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal-content {
  background: var(--card);
  padding: 0;
  border-radius: 8px;
  width: 90%;
  max-width: 400px;
  color: var(--text);
  margin: 1rem; /* Dodaj margine oko modala */
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3); /* Dodaj shadow za bolji izgled */
}

.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 1.5rem 0 1.5rem;
  margin-bottom: 1rem;
}

.modal-header h3 {
  margin: 0;
  color: var(--accent);
}

.modal-close {
  background: none;
  border: none;
  font-size: 24px;
  color: var(--muted);
  cursor: pointer;
  padding: 0;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 4px;
  transition: all 0.2s ease;
}

.modal-close:hover {
  background: var(--border);
  color: var(--text);
}

.modal-content form {
  padding: 0 1.5rem 1.5rem 1.5rem;
}

/* Padding za modal body (za dijalog brisanja) */
.modal-content .modal-body {
  padding: 0 1.5rem;
}

/* Padding za modal-buttons kada nije u formi */
.modal-content .modal-buttons:not(form .modal-buttons) {
  padding: 0 1.5rem 1.5rem 1.5rem;
}

.modal-content h3 {
  margin-top: 0;
  color: var(--accent);
}

.form-group {
  margin-bottom: 1rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--text);
}

.form-group input {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--bg);
  color: var(--text);
  box-sizing: border-box;
}

.modal-buttons {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  justify-content: center; /* Centriraj dugmad */
}

/* Modal body za dijalog brisanja */
.modal-body {
  padding: 1rem 0;
  text-align: center;
}

.modal-body p {
  margin: 0.5rem 0;
  line-height: 1.5;
}

.modal-body p:first-child {
  font-size: 1.1rem;
  font-weight: 500;
}

.btn-primary, .btn-secondary, .btn-cancel, .btn-delete {
  padding: 0.75rem 1rem;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.9rem;
}

.btn-primary {
  background: #4db6ff;
  color: white;
}

.btn-secondary {
  background: #16a34a;
  color: white;
}

.btn-cancel {
  background: #6b7280;
  color: white;
}

.btn-primary:hover {
  background: #3da3e6;
}

.btn-secondary:hover {
  background: #15803d;
}

.btn-cancel:hover {
  background: #4b5563;
}

.btn-delete {
  background: #dc2626;
  color: white;
}

.btn-delete:hover {
  background: #b91c1c;
}

#loginMessage {
  padding: 0.75rem;
  border-radius: 4px;
  font-size: 0.9rem;
}

#loginMessage.success {
  background: rgba(34, 197, 94, 0.1);
  border: 1px solid #22c55e;
  color: #22c55e;
}

#loginMessage.error {
  background: rgba(239, 68, 68, 0.1);
  border: 1px solid #ef4444;
  color: #ef4444;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);
  font:16px/1.5 system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,"Noto Sans",Arial,sans-serif}
.site-header{padding:16px 20px;border-bottom:1px solid var(--border);display:flex;gap:16px;align-items:center;justify-content:space-between}
.site-header .sub{margin:0;color:var(--muted)}

/* Novi dvostruki header sistem */
.top-header {
  padding: 1rem;
  background: var(--bg);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.title-header {
  padding: 1rem;
  background: var(--bg);
  text-align: center;
}

/* Responzivno ponašanje za novi header sistem */
@media (max-width: 640px) {
  .top-header, .title-header {
    padding: 0.75rem;
  }
  
  .top-header .user-controls {
    display: flex;
    align-items: center;
    gap: 0.5rem;
  }
  
  .title-header h1 {
    font-size: 1.5rem;
  }
  
  /* Manji modal na mobilnim uređajima */
  .modal-content {
    margin: 0.5rem;
    width: calc(100% - 1rem);
  }
  
  .modal-buttons {
    flex-direction: column;
    gap: 0.75rem;
  }
  
  .btn-primary, .btn-secondary, .btn-cancel, .btn-delete {
    width: 100%;
    padding: 0.875rem;
  }
}
h1{margin:0;font-size:20px}
.back{
  color: #4db6ff;
  text-decoration: none;
  padding: 0.5rem 1rem;
  border: 1px solid #4db6ff;
  border-radius: 6px;
  transition: all 0.2s ease;
  font-weight: 500;
  font-size: 0.9rem;
}
.back:hover {
  background: #4db6ff;
  color: white;
}
@media (max-width: 768px) {
  .back {
    padding: 0.4rem 0.8rem;
    font-size: 0.8rem;
  }
}
.search-wrap input{width:320px;max-width:90vw;padding:10px 12px;border-radius:10px;border:1px solid var(--border);background:#0c0f14;color:var(--text);outline:none;box-sizing:border-box}
@media (max-width: 768px) {
  .search-wrap input {
    width: 100%;
    max-width: none;
    margin: 0;
  }
  .search-wrap {
    width: 100%;
    padding: 0 10px;
    box-sizing: border-box;
  }
}
.chapter-info {
  font-style: italic;
  opacity: 0.8;
}

/* Globalna pretraga stilovi */
.search-results {
  margin-top: 20px;
}

.search-results h2 {
  color: var(--text);
  margin-bottom: 20px;
  font-size: 1.4em;
}

.video-title {
  margin: 0 0 15px 0;
  padding: 12px 15px;
  background: rgba(14, 165, 233, 0.1);
  border-left: 3px solid #0ea5e9;
  border-radius: 5px;
  color: var(--text);
  font-size: 1.1em;
  font-weight: 500;
}

.course-info {
  display: flex;
  align-items: center;
  font-weight: bold;
  color: #0ea5e9 !important;
}

.course-info img {
  margin-right: 6px;
}

/* Mobile optimizacija za search rezultate */
@media (max-width: 768px) {
  .video-card .course-info {
    font-size: 0.8em !important;
  }
  
  .video-card .chapter-info {
    font-size: 0.85em !important;
  }
  
  .video-title {
    font-size: 1em;
    padding: 10px 12px;
    margin-bottom: 12px;
  }
}

/* Poruka za učenike */
.info-message {
  margin: 40px auto;
  padding: 30px;
  background: linear-gradient(135deg, rgba(14, 165, 233, 0.1), rgba(59, 130, 246, 0.05));
  border: 1px solid rgba(14, 165, 233, 0.2);
  border-radius: 12px;
  color: var(--text);
  max-width: 1000px;
}

.message-content {
  max-width: 100%;
}

.message-content h3 {
  color: #0ea5e9;
  margin-bottom: 16px;
  font-size: 1.3em;
  text-align: center;
}

.message-content h4 {
  color: #0ea5e9;
  margin: 24px 0 12px 0;
  font-size: 1.2em;
  text-align: center;
}

.message-content p {
  line-height: 1.6;
  margin-bottom: 12px;
  color: var(--text-muted);
}

.message-content ul {
  margin: 16px 0;
  padding-left: 20px;
}

.message-content li {
  margin-bottom: 8px;
  line-height: 1.5;
  color: var(--text-muted);
}

.message-content strong {
  color: var(--text);
  font-weight: 600;
}

.message-content h4 {
  color: #0ea5e9;
  margin: 24px 0 12px 0;
  font-size: 1.2em;
  text-align: center;
}

.message-content h5 {
  color: #0ea5e9;
  margin: 16px 0 8px 0;
  font-size: 1em;
}

.message-content ol {
  margin: 16px auto;
  padding-left: 20px;
  max-width: 600px;
}

.message-content ol li {
  margin-bottom: 12px;
  line-height: 1.6;
  text-align: left;
}

.magnet-link {
  display: inline-block;
  background: linear-gradient(135deg, #dc2626, #b91c1c);
  color: white;
  padding: 8px 16px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 500;
  margin-top: 8px;
  transition: all 0.3s ease;
}

.magnet-link:hover {
  background: linear-gradient(135deg, #b91c1c, #991b1b);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(220, 38, 38, 0.3);
}

.download-link {
  display: inline-block;
  background: linear-gradient(135deg, #0ea5e9, #0284c7);
  color: white;
  padding: 8px 16px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 500;
  margin-top: 8px;
  transition: all 0.3s ease;
}

.download-link:hover {
  background: linear-gradient(135deg, #0284c7, #0369a1);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(14, 165, 233, 0.3);
}

.software-list {
  margin: 20px auto;
  border: 1px solid rgba(14, 165, 233, 0.3);
  border-radius: 8px;
  overflow: hidden;
  max-width: 800px;
}

.software-list summary {
  background: rgba(14, 165, 233, 0.1);
  padding: 12px 16px;
  cursor: pointer;
  font-weight: 500;
  color: #0ea5e9;
  transition: background 0.3s ease;
}

.software-list summary:hover {
  background: rgba(14, 165, 233, 0.15);
}

.programs-grid {
  padding: 16px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); /* Povećao sa 280px na 320px */
  gap: 20px;
}

.program-category ul {
  margin: 8px 0;
  padding-left: 16px;
}

.program-category li {
  margin-bottom: 4px;
  font-size: 0.9em;
  line-height: 1.4;
}

.requirements-grid {
  padding: 16px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
  gap: 24px;
}

.requirements-category {
  background: rgba(14, 165, 233, 0.05);
  padding: 16px;
  border-radius: 8px;
  border: 1px solid rgba(14, 165, 233, 0.2);
}

.requirements-category h5 {
  color: #4db6ff;
  margin: 0 0 12px 0;
  font-size: 1.1em;
  border-bottom: 2px solid rgba(77, 182, 255, 0.3);
  padding-bottom: 8px;
}

.requirements-category p {
  margin: 12px 0 6px 0;
  font-weight: 600;
  color: var(--accent-2);
}

.requirements-category ul {
  margin: 8px 0 16px 0;
  padding-left: 20px;
}

.requirements-category li {
  margin-bottom: 6px;
  font-size: 0.9em;
  line-height: 1.5;
  color: var(--text);
}

.personal-note {
  margin: 24px 0;
  padding: 20px;
  background: rgba(14, 165, 233, 0.08);
  border-left: 4px solid #0ea5e9;
  border-radius: 8px;
}

.personal-note em {
  display: block;
  font-style: italic;
  font-size: 1.05em;
  line-height: 1.6;
  margin-bottom: 12px;
  color: var(--text);
}

.personal-note p {
  margin: 8px 0;
}

.special-thanks {
  margin: 16px 0;
  padding: 12px 16px;
  background: rgba(255, 193, 7, 0.1);
  border: 1px solid rgba(255, 193, 7, 0.3);
  border-radius: 6px;
  font-style: italic;
}

.special-thanks p {
  margin: 0;
  color: var(--text);
  font-size: 0.95em;
}

.contact-info {
  margin: 20px 0;
  padding: 16px;
  background: rgba(34, 197, 94, 0.1);
  border: 1px solid rgba(34, 197, 94, 0.3);
  border-radius: 8px;
  text-align: center;
}

.contact-info p {
  margin: 0;
  color: var(--text);
}

.contact-email {
  color: #22c55e;
  text-decoration: none;
  font-weight: 600;
  border-bottom: 1px dotted #22c55e;
}

.contact-email:hover {
  color: #16a34a;
  border-bottom-style: solid;
}

.signature {
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid rgba(14, 165, 233, 0.2);
  text-align: right;
}

.signature p {
  margin: 0;
  color: #0ea5e9;
  font-style: italic;
  font-weight: 500;
  font-size: 1.1em;
}

/* Ruska zahvalnica - osiguraj vidljivost na svim uređajima */
.signature p:last-child {
  font-size: 0.9em;
  color: #666;
  margin-top: 5px;
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
}

@media (max-width: 768px) {
  .info-message {
    margin: 30px 0px;
    padding: 20px;
    max-width: none;
  }
  
  .message-content h3 {
    font-size: 1.2em;
  }
  
  .message-content h4 {
    font-size: 1.1em;
  }
  
  .message-content ul, .message-content ol {
    padding-left: 16px;
    max-width: none;
    margin-left: 0;
    margin-right: 0;
  }
  
  .grid-cards {
    margin: 0 20px;
    max-width: none;
  }
  
  .total-progress-grid-item {
    grid-column: span 2; /* I na mobilnom zauzima 2 kolone (ceo red) */
  }
  
  .programs-grid {
    grid-template-columns: 1fr;
    gap: 16px;
    padding: 12px;
  }
  
  .requirements-grid {
    grid-template-columns: 1fr;
    gap: 16px;
    padding: 12px;
  }
  
  .requirements-category {
    padding: 12px;
  }
  
  .requirements-category h5 {
    font-size: 1em;
  }
  
  .requirements-category li {
    font-size: 0.85em;
  }
  
  /* Progress responsive */
  .tile-progress {
    margin-top: 10px;
    padding-top: 10px;
  }
  
  .progress-text {
    font-size: 12px;
  }
  
  .progress-bar {
    height: 5px;
  }
  
  .progress-percent {
    font-size: 11px;
  }
  
  /* Total progress responsive - ostaje isti kao tile */
  .total-progress-section {
    margin: 0; /* Nema margin u gridu */
    padding: 16px; /* Isti kao tile */
  }
  
  .total-progress-section h2 {
    font-size: 16px; /* Malo manji na mobilnom */
    margin-bottom: 12px;
  }
  
  .total-progress-stats {
    grid-template-columns: 1fr;
    gap: 16px;
    margin-bottom: 20px;
  }
  
  .stat-number {
    font-size: 24px;
  }
  
  .stat-label {
    font-size: 12px;
  }
  
  .total-progress-text {
    font-size: 14px;
  }
  
  .total-progress-bar {
    height: 10px;
  }
  
  .total-progress-percent {
    font-size: 16px;
  }
  
  .magnet-link {
    display: block;
    text-align: center;
    margin: 12px 0;
  }
  
  .download-link {
    display: block;
    text-align: center;
    margin: 12px 0;
  }
  
  .software-list summary {
    padding: 10px 12px;
    font-size: 0.95em;
  }
  
  .signature {
    text-align: center;
    margin-top: 20px;
  }
  
  .signature p {
    font-size: 1em;
  }
}
/* YouTube-like layout za desktop */
.content.youtube-layout {
  display: grid;
  grid-template-columns: 1fr 400px;
  gap: 20px;
  padding: 20px;
  max-width: 1400px;
  margin: 0 auto;
}

.left-panel {
  min-width: 0; /* Omogućava shrinking */
}

.right-panel {
  width: 400px;
  overflow-y: auto;
  max-height: calc(100vh - 120px);
  padding-right: 10px;
}

/* Player styling za veći prikaz */
.left-panel .player-section .video-wrap {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 16px;
}

.left-panel video {
  width: 100%;
  height: auto;
  border-radius: 10px;
  background: #000;
  max-height: 60vh;
}

/* Desktopni layout za video listu - kompaktniji */
.right-panel .video-card {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 10px;
  padding: 8px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #121723;
  cursor: pointer;
  margin-bottom: 8px;
}

.right-panel .video-card:hover {
  border-color: #2c3447;
  transform: translateY(-1px);
  transition: transform .06s;
}

/* Označavanje poslednjeg gledanog videa */
.right-panel .video-card.last-watched {
  border-color: var(--accent);
  background: rgba(77, 182, 255, 0.1);
}

.right-panel .video-card.last-watched .title {
  color: var(--accent);
}

.right-panel .video-card.last-watched:hover {
  border-color: var(--accent-2);
  background: rgba(77, 182, 255, 0.15);
}

/* Označavanje trenutnog videa */
.right-panel .video-card.current-video {
  border-color: #dc2626;
  background: rgba(220, 38, 38, 0.1);
}

.right-panel .video-card.current-video .title {
  color: #dc2626;
}

.right-panel .video-card.current-video:hover {
  border-color: #b91c1c;
  background: rgba(220, 38, 38, 0.15);
}

.right-panel .video-card .thumb {
  width: 100%;
  height: 56px;
  border-radius: 6px;
  background: #000;
  object-fit: cover;
}

.right-panel .video-card .meta {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.right-panel .video-card .title {
  font-weight: 600;
  font-size: 14px;
  line-height: 1.3;
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  color: var(--text);
}

.right-panel .video-card .badges {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
  color: var(--muted);
  font-size: 11px;
}

.right-panel .video-card .badge {
  padding: 1px 4px;
  border: 1px solid var(--border);
  border-radius: 999px;
}

/* Status badges za video status */
.right-panel .video-card .status-badge {
  font-weight: 600;
  font-size: 10px;
  padding: 2px 6px;
}

.right-panel .video-card .status-badge.current {
  background: #dc2626;
  color: white;
  border-color: #dc2626;
}

.right-panel .video-card .status-badge.watched {
  background: #16a34a;
  color: white;
  border-color: #16a34a;
}

/* Dropdown u desnom panelu */
.right-panel .chapter-picker {
  margin-bottom: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.right-panel .chapter-select {
  width: 100%;
  padding: 8px 10px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #0c0f14;
  color: var(--text);
  outline: none;
  font-size: 14px;
}

.right-panel .chapter-title {
  margin: 0 0 12px 0;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
}

/* Assets u desnom panelu */
.right-panel .assets {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.right-panel .assets h3 {
  margin: 0 0 12px 0;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
}

.right-panel .assets .asset-list {
  display: grid;
  gap: 6px;
}

.right-panel .assets .asset {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 8px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: #121723;
  text-align: left; /* Lijevo centriranje teksta */
}

.right-panel .assets .asset a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
  font-size: 13px;
  word-break: break-word;
  text-align: left; /* Eksplicitno lijevo poravnanje */
}

.right-panel .assets .asset a:hover {
  color: var(--accent-2);
}

.right-panel .assets .asset small {
  color: var(--muted);
  font-size: 11px;
}

/* Mobile layout - ostaje vertikalno */
@media(max-width: 980px) {
  .content.youtube-layout {
    grid-template-columns: 1fr;
    gap: 16px;
    padding: 16px;
  }
  
  .right-panel {
    width: 100%;
    max-height: none;
    overflow-y: visible;
    padding-right: 0;
  }
  
  /* Na mobilu vrati originalni layout za video kartice */
  .right-panel .video-card {
    grid-template-columns: 120px 1fr;
    gap: 12px;
    padding: 8px 10px;
  }
  
  .right-panel .video-card .thumb {
    height: 68px;
  }
  
  .right-panel .video-card .title {
    font-size: 16px;
    -webkit-line-clamp: initial;
    line-clamp: initial;
  }
  
  .right-panel .video-card .badges {
    font-size: 12px;
  }
  
  /* Status badges responsive */
  .right-panel .video-card .status-badge {
    font-size: 11px;
    padding: 2px 8px;
  }
  
  .right-panel .chapter-picker {
    flex-direction: row;
    align-items: center;
    gap: 10px;
    margin-bottom: 12px;
  }
  
  .right-panel .chapter-select {
    font-size: 16px;
    padding: 10px 12px;
  }
  
  .right-panel .chapter-title {
    font-size: 18px;
  }
  
  /* Assets responsive styling */
  .right-panel .assets {
    margin-top: 20px;
    padding-top: 20px;
  }
  
  .right-panel .assets h3 {
    font-size: 16px;
    margin-bottom: 16px;
  }
  
  .right-panel .assets .asset {
    padding: 12px;
  }
  
  .right-panel .assets .asset a {
    font-size: 14px;
  }
  
  .right-panel .assets .asset small {
    font-size: 12px;
  }
}

.content{display:grid;grid-template-columns:minmax(240px,1fr) minmax(0,2.3fr);gap:20px;padding:20px}
.content.single{grid-template-columns:1fr}
.grid-cards{display:grid;gap:16px;max-width:1200px;margin:0 auto}

/* Responsive grid sa parnim brojem kolona */
@media (max-width: 600px) {
  .grid-cards {
    grid-template-columns: repeat(2, 1fr); /* 2 kolone na malim ekranima */
  }
}

@media (min-width: 601px) and (max-width: 900px) {
  .grid-cards {
    grid-template-columns: repeat(2, 1fr); /* 2 kolone na srednjim ekranima */
  }
  
  /* Total progress za tablet */
  .total-progress-stats {
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
  }
}

@media (min-width: 901px) and (max-width: 1200px) {
  .grid-cards {
    grid-template-columns: repeat(4, 1fr); /* 4 kolone na većim ekranima */
  }
}

@media (min-width: 1201px) and (max-width: 1600px) {
  .grid-cards {
    grid-template-columns: repeat(4, 1fr); /* 4 kolone na velikim ekranima */
  }
}

@media (min-width: 1601px) {
  .grid-cards {
    grid-template-columns: repeat(4, 1fr); /* 4 kolone maksimalno na vrlo velikim ekranima */
  }
}
.tile{display:block;border:1px solid var(--border);border-radius:14px;background:var(--card);padding:16px;text-decoration:none;color:var(--text)}
.tile-icon {
  display: inline-block;
  vertical-align: middle;
  margin-right: 10px;
  margin-bottom: 4px;
}
.tile:hover{border-color:#2c3447;transform:translateY(-1px);transition:transform .06s}
.tile-title{font-weight:800;font-size:18px}
.tile-sub{color:var(--muted);margin-top:6px}

/* Ukupni progress kao grid item koji zauzima 2 kolone */
.total-progress-grid-item {
  grid-column: span 2; /* Zauzima prostor kao 2 kartice */
}

/* Progress tracking za kurseve */
.tile-progress {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}

.progress-text {
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 6px;
  font-weight: 500;
}

.progress-bar {
  width: 100%;
  height: 6px;
  background: var(--border);
  border-radius: 3px;
  overflow: hidden;
  margin-bottom: 4px;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, #16a34a, #22c55e);
  border-radius: 3px;
  transition: width 0.3s ease;
}

.progress-percent {
  font-size: 12px;
  color: var(--accent);
  font-weight: 600;
  text-align: right;
}

/* Ukupni progress sekcija - stilizovan kao tile */
.total-progress-section {
  display: block;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--card);
  padding: 16px;
  color: var(--text);
  margin: 0; /* Nema margin jer je u gridu */
}

.total-progress-section h2 {
  margin: 0 0 16px 0;
  font-size: 18px;
  color: var(--text);
  text-align: center;
  font-weight: 800; /* Isti kao tile-title */
}

.total-progress-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 24px;
}

.stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.stat-number {
  font-size: 28px;
  font-weight: 700;
  color: var(--accent);
  line-height: 1;
}

.stat-label {
  font-size: 13px;
  color: var(--muted);
  margin-top: 4px;
  font-weight: 500;
}

.total-progress-bar-container {
  max-width: 600px;
  margin: 0 auto;
}

.total-progress-text {
  font-size: 16px;
  color: var(--text);
  margin-bottom: 8px;
  text-align: center;
  font-weight: 500;
}

.total-progress-bar {
  width: 100%;
  height: 12px;
  background: var(--border);
  border-radius: 6px;
  overflow: hidden;
  margin-bottom: 8px;
}

.total-progress-fill {
  height: 100%;
  border-radius: 6px;
  transition: width 0.8s ease-in-out;
  animation: progressGlow 2s ease-in-out infinite alternate;
}

@keyframes progressGlow {
  0% { 
    box-shadow: 0 0 5px rgba(77, 182, 255, 0.3);
  }
  100% { 
    box-shadow: 0 0 15px rgba(77, 182, 255, 0.6);
  }
}

.total-progress-percent {
  font-size: 18px;
  color: var(--accent);
  font-weight: 600;
  text-align: center;
}
.tree-section h2{margin:0 0 10px 0;font-size:18px}
.tree{border:1px solid var(--border);border-radius:12px;background:var(--card);padding:8px}
.node{border-bottom:1px solid var(--border)}
.node:last-child{border-bottom:0}
.node-header{display:flex;align-items:center;gap:8px;padding:10px;cursor:pointer;user-select:none}
.node-header:hover{background:#121723;border-radius:8px}
.chev{width:10px;transform:rotate(0deg);transition:transform .12s}
.node.expanded .chev{transform:rotate(90deg)}
.node-title{font-weight:600}
.node-body{display:none;padding:6px 0 10px 28px}
.node.expanded>.node-body{display:block}
.item{display:grid;grid-template-columns:120px 1fr;gap:12px;padding:8px 10px;border-radius:10px;border:1px solid var(--border);background:#121723;margin:6px 0;cursor:pointer}
.item:hover{border-color:#2c3447;transform:translateY(-1px);transition:transform .06s}
.thumb{width:100%;height:68px;border-radius:8px;background:#000;object-fit:cover}
.meta{display:flex;flex-direction:column;gap:4px;min-width:0}
.title{font-weight:600;white-space:nowrap;text-overflow:ellipsis;overflow:hidden}
.badges{display:flex;gap:6px;flex-wrap:wrap;color:var(--muted);font-size:12px}
.badge{padding:2px 6px;border:1px solid var(--border);border-radius:999px}

.player-section .video-wrap{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:12px}
video{width:100%;height:auto;border-radius:10px;background:#000}
.player-toolbar{display:flex;gap:12px;align-items:center;justify-content:space-between;margin-top:10px;flex-wrap:wrap}
.tracklabel select{appearance:none;padding:8px 10px;border-radius:10px;border:1px solid var(--border);background:#0c0f14;color:var(--text)}

/* Responsive player toolbar */
@media (max-width: 768px) {
  .player-toolbar {
    flex-direction: column;
    gap: 8px;
    align-items: stretch;
  }
  
  .player-toolbar > * {
    width: 100%;
    justify-content: center;
  }
  
  .video-navigation {
    justify-content: center !important;
  }
}

/* Video navigation buttons u toolbaru */
.video-navigation {
  display: flex;
  gap: 8px;
  align-items: center;
}

.nav-btn {
  background: var(--card);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 13px;
}

.nav-btn:hover {
  background: var(--border);
  border-color: var(--accent);
  color: var(--accent);
}

.nav-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  background: var(--card);
  color: var(--muted);
  border-color: var(--border);
}

/* Dugme za označavanje kao pregledano */
.watched-toggle-btn {
  background: var(--card);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 6px;
}

.watched-toggle-btn:hover {
  background: var(--border);
  border-color: var(--accent);
  color: var(--accent);
}

.watched-toggle-btn.watched {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
}

.watched-toggle-btn.watched:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
}

.nav-btn:disabled:hover {
  opacity: 0.4;
  background: var(--card);
  color: var(--muted);
  border-color: var(--border);
  transform: none;
}
.assets{margin-top:14px}
.assets h3{margin:0 0 8px 0;font-size:16px}
.asset-list{display:grid;gap:8px}
.asset{display:flex;align-items:center;gap:10px;padding:8px 10px;border:1px solid var(--border);border-radius:10px;background:#121723}
.asset a{color:var(--accent);text-decoration:none;font-weight:600}
.asset small{color:var(--muted)}
.site-footer{padding:16px 20px 28px;color:var(--muted);border-top:1px solid var(--border)}
@media(max-width:980px){
  .content{grid-template-columns:1fr}
  .item{grid-template-columns:140px 1fr}
  .thumb{height:80px}
}
.chapters-list {
  display: grid;
  gap: 8px;
}

.chapter-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--card);
  cursor: pointer;
}
.chapter-btn:hover { border-color: #2c3447; transform: translateY(-1px); transition: transform .06s; }
.chapter-btn .name { font-weight: 600; }
.chapter-btn .count { color: var(--muted); font-size: 12px; }

.chapter-header h2 { margin: 0 0 10px 0; font-size: 18px; }

.video-list {
  margin-top: 14px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}
.video-card {
  display: grid; grid-template-columns: 120px 1fr;
  gap: 12px; padding: 8px 10px; border-radius: 10px;
  border: 1px solid var(--border); background: #121723; cursor: pointer;
}
.video-card:hover { border-color: #2c3447; transform: translateY(-1px); transition: transform .06s; }
.video-card .thumb { width: 100%; height: 68px; border-radius: 8px; background: #000; object-fit: cover; }
.video-card .title { font-weight: 600; white-space: nowrap; text-overflow: ellipsis; overflow: hidden; }
.video-card .badges { display:flex; gap:6px; flex-wrap:wrap; color:var(--muted); font-size:12px; }
.video-card .badge { padding:2px 6px; border:1px solid var(--border); border-radius:999px; }

/* Layout: jedna kolona (player → dropdown → video lista → materijali) */
.content.single { grid-template-columns: 1fr; }

/* Dropdown poglavlja */
.chapter-picker {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 14px 0 6px;
}
.picker-label { color: var(--muted); font-weight: 600; }
.chapter-select {
  max-width: 520px;
  width: 100%;
  padding: 10px 12px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #0c0f14;
  color: var(--text);
  outline: none;
}

/* Naslov izabranog poglavlja */
.chapter-title { margin: 12px 0 8px; font-size: 18px; }

/* Liste videa – već postojeće klase, ali omogućimo prelome umjesto širenja */
.video-card .title,
.item .title,
.node-title,
.tile-title,
.asset a {
  white-space: normal;            /* dozvoli prelome */
  overflow-wrap: anywhere;        /* prelamaj i dugačke riječi/putanje */
  word-break: break-word;         /* fallback */
}

/* Thumbnail + meta raspored ostaje isti, samo neka se naslovi prelamaju */
.video-card { grid-template-columns: 120px 1fr; }
.video-card .thumb { width: 100%; height: 68px; object-fit: cover; }

/* Ako želiš i linkove u materijalima da prelamaju */
.asset a { display: inline-block; max-width: 100%; }

/* Za svaki slučaj i dug meta naslova u “karticama” */
.title { white-space: normal; overflow-wrap: anywhere; word-break: break-word; }

/* ============================================
   KOMENTARI - Reddit Style
   ============================================ */

.comments-section {
  margin-top: 2rem;
  padding: 1.5rem;
  background: var(--card);
  border-radius: 8px;
  border: 1px solid var(--border);
}

.comments-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border);
}

.comments-header h3 {
  margin: 0;
  color: var(--text);
  font-size: 1.2rem;
}

.comments-count {
  color: var(--muted);
  font-size: 0.9rem;
}

/* Forma za novi komentar */
.comment-form {
  margin-bottom: 2rem;
  padding: 1rem;
  background: var(--bg);
  border-radius: 6px;
  border: 1px solid var(--border);
}

.comment-form-header {
  margin-bottom: 0.75rem;
}

.comment-user-name {
  color: var(--accent);
  font-weight: 500;
  font-size: 0.9rem;
}

.comment-form textarea {
  width: 100%;
  padding: 0.75rem;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text);
  font-family: inherit;
  font-size: 0.9rem;
  line-height: 1.4;
  resize: vertical;
  min-height: 80px;
}

.comment-form textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(77, 182, 255, 0.1);
}

.comment-form textarea:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.comment-form-actions {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.75rem;
}

.comment-form-actions button {
  padding: 0.5rem 1rem;
  border: none;
  border-radius: 4px;
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.comment-form-actions .btn-primary {
  background: var(--accent);
  color: white;
}

.comment-form-actions .btn-primary:hover:not(:disabled) {
  background: #3da3e8;
}

.comment-form-actions .btn-primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

.comment-form-actions .btn-secondary {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--border);
}

.comment-form-actions .btn-secondary:hover {
  background: var(--border);
  color: var(--text);
}

/* Lista komentara */
.comments-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.comment {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
}

.comment-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  background: var(--card);
  border-bottom: 1px solid var(--border);
}

.comment-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: bold;
  font-size: 0.8rem;
}

.comment-avatar-img {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  object-fit: cover;
}

.comment-author {
  color: var(--accent);
  font-weight: 500;
  font-size: 0.9rem;
}

.comment-time {
  color: var(--muted);
  font-size: 0.8rem;
}

.comment-body {
  padding: 1rem;
}

.comment-text {
  color: var(--text);
  line-height: 1.5;
  margin: 0 0 0.75rem 0;
  white-space: pre-wrap;
  word-wrap: break-word;
}

.comment-actions {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.comment-action {
  background: none;
  border: none;
  color: var(--muted);
  font-size: 0.8rem;
  cursor: pointer;
  padding: 0.25rem 0.5rem;
  border-radius: 3px;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.comment-action:hover {
  color: var(--accent);
  background: rgba(77, 182, 255, 0.1);
}

.comment-action.upvoted {
  color: #ff6b35;
}

.comment-action.downvoted {
  color: #6b73ff;
}

.comment-action.delete-btn {
  color: #ff6b6b;
}

.comment-action.delete-btn:hover {
  color: #ff5252;
  background: rgba(255, 107, 107, 0.1);
}

/* Nested komentari (replies) */
.comment-replies {
  margin-left: 2rem;
  margin-top: 1rem;
  border-left: 2px solid var(--border);
  padding-left: 1rem;
}

.comment-reply-form {
  margin-top: 1rem;
  padding: 1rem;
  background: var(--card);
  border-radius: 4px;
  border: 1px solid var(--border);
  display: none;
}

.comment-reply-form.active {
  display: block;
}

.comment-reply-form textarea {
  width: 100%;
  padding: 0.5rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  color: var(--text);
  font-family: inherit;
  font-size: 0.85rem;
  resize: vertical;
  min-height: 60px;
}

.comment-reply-form .comment-form-actions {
  margin-top: 0.5rem;
}

.comment-reply-form .comment-form-actions button {
  padding: 0.4rem 0.8rem;
  font-size: 0.8rem;
}

/* Responsive */
@media (max-width: 768px) {
  .comments-section {
    padding: 1rem;
  }
  
  .comment-replies {
    margin-left: 1rem;
    padding-left: 0.75rem;
  }
  
  .comment-header {
    padding: 0.5rem 0.75rem;
  }
  
  .comment-body {
    padding: 0.75rem;
  }
  
  .comment-actions {
    gap: 0.75rem;
  }
}

/* Loading i empty states */
.comments-list .loading,
.comments-list .no-comments,
.comments-list .error {
  text-align: center;
  padding: 2rem;
  color: var(--muted);
  font-style: italic;
}

.comments-list .error {
  color: #ff6b6b;
}