/* =============================================
   MojProfil - Društvena Mreža CSS v2
   Light & Dark Theme + DM System
   ============================================= */

/* === Reset & Osnova === */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* =============================================
   THEME VARIABLES
   ============================================= */
:root {
  --primary: #6c5ce7;
  --primary-light: #a29bfe;
  --primary-dark: #5a4bd1;
  --primary-glow: rgba(108, 92, 231, 0.3);
  --accent: #fd79a8;
  --accent-light: #fab1c9;
  --success: #00b894;
  --warning: #fdcb6e;
  --danger: #e17055;

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 16px;
  --radius-xl: 24px;
  --radius-round: 50%;

  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

/* ---- DARK THEME (default) ---- */
[data-theme="dark"] {
  --bg-primary: #0f0f1a;
  --bg-secondary: #1a1a2e;
  --bg-card: #16213e;
  --bg-card-hover: #1c2a4a;
  --bg-input: #0d1b2a;
  --bg-overlay: rgba(0, 0, 0, 0.6);
  --bg-nav: rgba(15, 15, 26, 0.85);

  --text-primary: #e8e8f0;
  --text-secondary: #8b8ba3;
  --text-muted: #5a5a7a;

  --border: rgba(255, 255, 255, 0.06);
  --border-light: rgba(255, 255, 255, 0.1);

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 30px var(--primary-glow);

  --chat-mine: var(--primary);
  --chat-mine-text: #fff;
  --chat-theirs: #1e2d4a;
  --chat-theirs-text: #e0e0ec;

  --scrollbar-track: #1a1a2e;
  --scrollbar-thumb: #5a4bd1;
}

/* ---- LIGHT THEME ---- */
[data-theme="light"] {
  --bg-primary: #f0f2f5;
  --bg-secondary: #ffffff;
  --bg-card: #ffffff;
  --bg-card-hover: #f5f6fa;
  --bg-input: #eef0f4;
  --bg-overlay: rgba(0, 0, 0, 0.35);
  --bg-nav: rgba(255, 255, 255, 0.9);

  --text-primary: #1a1a2e;
  --text-secondary: #636e83;
  --text-muted: #9aa0b0;

  --border: rgba(0, 0, 0, 0.06);
  --border-light: rgba(0, 0, 0, 0.1);

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.1);
  --shadow-glow: 0 0 20px rgba(108, 92, 231, 0.15);

  --chat-mine: var(--primary);
  --chat-mine-text: #fff;
  --chat-theirs: #e8eaf0;
  --chat-theirs-text: #1a1a2e;

  --scrollbar-track: #e0e2e8;
  --scrollbar-thumb: #a29bfe;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  transition: background var(--transition-slow), color var(--transition-slow);
}

a { text-decoration: none; color: inherit; }
button { cursor: pointer; border: none; outline: none; font-family: var(--font); }
input, textarea { font-family: var(--font); outline: none; border: none; }

::selection { background: var(--primary); color: white; }

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--scrollbar-track); }
::-webkit-scrollbar-thumb { background: var(--scrollbar-thumb); border-radius: 3px; }

.hidden { display: none !important; }

/* =============================================
   PRIJAVA EKRAN
   ============================================= */
.prijava-container {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  background: radial-gradient(ellipse at 30% 20%, rgba(108, 92, 231, 0.15), transparent 60%),
              radial-gradient(ellipse at 70% 80%, rgba(253, 121, 168, 0.1), transparent 60%),
              var(--bg-primary);
}

.prijava-kartica {
  position: relative;
  z-index: 2;
  background: rgba(22, 33, 62, 0.8);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-xl);
  padding: 3rem 2.5rem;
  width: 100%;
  max-width: 420px;
  text-align: center;
  box-shadow: 0 8px 40px rgba(0,0,0,0.4);
  animation: slideUp 0.6s ease-out;
}

[data-theme="light"] .prijava-kartica {
  background: rgba(255, 255, 255, 0.85);
  border: 1px solid rgba(0,0,0,0.08);
  box-shadow: 0 8px 40px rgba(0,0,0,0.1);
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

.prijava-logo { margin-bottom: 2rem; }

.logo-ikona {
  font-size: 3.5rem;
  margin-bottom: 0.5rem;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.1); }
}

.prijava-kartica h1 {
  font-size: 2rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary-light), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.5px;
}

.prijava-opis {
  color: var(--text-secondary);
  font-size: 0.95rem;
  margin-top: 0.25rem;
}

.prijava-forma {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.input-grupa input {
  width: 100%;
  padding: 1rem 1.25rem;
  background: var(--bg-input);
  color: var(--text-primary);
  border-radius: var(--radius-md);
  font-size: 1rem;
  border: 2px solid var(--border);
  transition: var(--transition);
}

.input-grupa input:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 4px var(--primary-glow);
}

.input-grupa input::placeholder { color: var(--text-muted); }

.btn-prijava {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  padding: 1rem;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius-md);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.btn-prijava::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--accent), var(--primary));
  opacity: 0;
  transition: var(--transition);
}

.btn-prijava:hover { transform: translateY(-2px); box-shadow: var(--shadow-glow); }
.btn-prijava:hover::before { opacity: 1; }
.btn-prijava span, .btn-prijava svg { position: relative; z-index: 1; }
.btn-prijava:active { transform: translateY(0); }

.prijava-napomena {
  margin-top: 1.5rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

.prijava-napomena a {
  color: var(--primary-light);
  font-weight: 600;
  transition: var(--transition);
}

.prijava-napomena a:hover {
  color: var(--accent);
  text-decoration: underline;
}

/* Auth Tabovi */
.auth-tabovi {
  display: flex;
  gap: 0;
  margin-bottom: 1.5rem;
  background: var(--bg-input);
  border-radius: var(--radius-md);
  padding: 4px;
  border: 1px solid var(--border);
}

.auth-tab {
  flex: 1;
  padding: 0.7rem 1rem;
  background: transparent;
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: calc(var(--radius-md) - 2px);
  transition: var(--transition);
  cursor: pointer;
}

.auth-tab:hover {
  color: var(--text-primary);
}

.auth-tab.aktivan {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  box-shadow: 0 2px 10px var(--primary-glow);
}

/* Form Labels */
.input-grupa label {
  display: block;
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.4rem;
  text-align: left;
}

/* Auth Error */
.auth-greska {
  background: rgba(225, 112, 85, 0.12);
  border: 1px solid rgba(225, 112, 85, 0.3);
  color: var(--danger);
  font-size: 0.85rem;
  font-weight: 500;
  padding: 0.7rem 1rem;
  border-radius: var(--radius-md);
  text-align: left;
  animation: fadeIn 0.3s ease;
}

/* Shake Animation */
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  10%, 30%, 50%, 70%, 90% { transform: translateX(-4px); }
  20%, 40%, 60%, 80% { transform: translateX(4px); }
}

.shake { animation: shake 0.5s ease; }

/* Registracija button */
.btn-registracija {
  background: linear-gradient(135deg, var(--success), #00a884) !important;
}

.btn-registracija::before {
  background: linear-gradient(135deg, #00d4aa, var(--success)) !important;
}

/* Logout button */
.btn-odjava:hover {
  background: var(--danger) !important;
  border-color: var(--danger) !important;
  color: white !important;
  box-shadow: 0 0 20px rgba(225, 112, 85, 0.3) !important;
}

/* Pozadinski blobovi */
.prijava-pozadina {
  position: absolute;
  inset: 0;
  z-index: 0;
  overflow: hidden;
}

.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.4;
  animation: blobFloat 8s ease-in-out infinite;
}

.blob-1 { width: 400px; height: 400px; background: var(--primary); top: -100px; left: -100px; }
.blob-2 { width: 300px; height: 300px; background: var(--accent); bottom: -50px; right: -50px; animation-delay: -3s; }
.blob-3 { width: 200px; height: 200px; background: var(--success); top: 50%; left: 60%; animation-delay: -5s; }

@keyframes blobFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -20px) scale(1.05); }
  66% { transform: translate(-20px, 20px) scale(0.95); }
}

/* =============================================
   NAVIGACIJA
   ============================================= */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: var(--bg-nav);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: background var(--transition), box-shadow var(--transition);
}

.navbar.scrolled { box-shadow: var(--shadow-md); }

.nav-sadrzaj {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0.75rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 1.2rem;
  flex-shrink: 0;
  transition: var(--transition);
}

.nav-logo:hover { transform: scale(1.02); }
.logo-emoji { font-size: 1.5rem; }

.logo-tekst {
  background: linear-gradient(135deg, var(--primary-light), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.nav-pretraga {
  flex: 1;
  max-width: 400px;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 0.6rem 1rem;
  transition: var(--transition);
}

.nav-pretraga:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
}

.nav-pretraga svg { color: var(--text-muted); flex-shrink: 0; }

.nav-pretraga input {
  flex: 1;
  background: transparent;
  color: var(--text-primary);
  font-size: 0.9rem;
}

.nav-pretraga input::placeholder { color: var(--text-muted); }

.nav-akcije {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex-shrink: 0;
}

.btn-ikona {
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-card);
  color: var(--text-primary);
  border-radius: var(--radius-round);
  transition: var(--transition);
  border: 1px solid var(--border);
  position: relative;
}

.btn-ikona:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: white;
  transform: scale(1.08);
  box-shadow: var(--shadow-glow);
}

.badge {
  position: absolute;
  top: -4px;
  right: -4px;
  min-width: 18px;
  height: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent);
  color: white;
  font-size: 0.65rem;
  font-weight: 700;
  border-radius: 10px;
  padding: 0 5px;
  border: 2px solid var(--bg-primary);
  animation: badgePop 0.3s ease;
}

@keyframes badgePop {
  from { transform: scale(0); }
  to { transform: scale(1); }
}

.btn-profil {
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: var(--radius-round);
  font-size: 1.3rem;
  transition: var(--transition);
  box-shadow: 0 2px 10px var(--primary-glow);
}

.btn-profil:hover {
  transform: scale(1.1);
  box-shadow: 0 4px 20px var(--primary-glow);
}

/* =============================================
   GLAVNI SADRŽAJ
   ============================================= */
.glavni-sadrzaj {
  max-width: 1100px;
  margin: 0 auto;
  padding: 5rem 1.5rem 2rem;
}

.sekcija { animation: fadeIn 0.4s ease; }

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

#sekcijaPocetna {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 2rem;
  align-items: start;
}

.feed-wrapper {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

/* =============================================
   NOVA OBJAVA
   ============================================= */
.nova-objava-kartica {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: var(--transition);
}

.nova-objava-kartica:focus-within {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
}

.nova-objava-header {
  display: flex;
  gap: 0.75rem;
  padding: 1.25rem 1.25rem 0.75rem;
}

.nova-objava-avatar {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-secondary);
  border-radius: var(--radius-round);
  font-size: 1.4rem;
  flex-shrink: 0;
}

.nova-objava-header textarea {
  flex: 1;
  background: transparent;
  color: var(--text-primary);
  font-size: 1rem;
  resize: none;
  line-height: 1.5;
  padding-top: 0.5rem;
}

.nova-objava-header textarea::placeholder { color: var(--text-muted); }

.nova-objava-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.25rem;
  border-top: 1px solid var(--border);
}

.nova-objava-info span { font-size: 0.8rem; color: var(--text-muted); }

.btn-objavi {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.6rem 1.25rem;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: var(--radius-lg);
  transition: var(--transition);
}

.btn-objavi:disabled { opacity: 0.4; cursor: not-allowed; }
.btn-objavi:not(:disabled):hover { transform: translateY(-1px); box-shadow: var(--shadow-glow); }

/* =============================================
   OBJAVA KARTICA
   ============================================= */
.objava-kartica {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: var(--transition);
  animation: slideUp 0.4s ease-out;
}

.objava-kartica:hover { border-color: var(--border-light); box-shadow: var(--shadow-sm); }

.objava-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.25rem 0;
}

.objava-autor {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  cursor: pointer;
  transition: var(--transition);
}

.objava-autor:hover { opacity: 0.85; }

.autor-avatar {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--bg-secondary), var(--bg-card-hover));
  border-radius: var(--radius-round);
  font-size: 1.3rem;
  border: 2px solid var(--border-light);
}

.autor-info h4 { font-size: 0.95rem; font-weight: 600; color: var(--text-primary); }
.autor-info span { font-size: 0.8rem; color: var(--text-secondary); }

.objava-tekst {
  padding: 1rem 1.25rem;
  font-size: 1rem;
  line-height: 1.65;
  color: var(--text-primary);
  word-wrap: break-word;
}

.objava-akcije {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.5rem 1rem 1rem;
  border-top: 1px solid var(--border);
  margin-top: 0.25rem;
}

.btn-akcija {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1rem;
  background: transparent;
  color: var(--text-secondary);
  font-size: 0.88rem;
  font-weight: 500;
  border-radius: var(--radius-md);
  transition: var(--transition);
}

.btn-akcija:hover { background: rgba(108, 92, 231, 0.1); color: var(--primary-light); }
.btn-akcija.lajkovano { color: var(--accent); }
.btn-akcija.lajkovano:hover { background: rgba(253, 121, 168, 0.1); }
.btn-akcija svg { transition: var(--transition); }
.btn-akcija:hover svg { transform: scale(1.15); }

.btn-akcija.lajkovano svg { animation: heartBeat 0.4s ease; }

@keyframes heartBeat {
  0% { transform: scale(1); }
  25% { transform: scale(1.3); }
  50% { transform: scale(0.95); }
  100% { transform: scale(1); }
}

.btn-akcija-dm { margin-left: 0; }
.btn-akcija-dm:hover { background: rgba(0, 184, 148, 0.1); color: var(--success); }

.btn-obrisi { margin-left: auto; color: var(--text-muted); }
.btn-obrisi:hover { background: rgba(225, 112, 85, 0.1); color: var(--danger); }

/* =============================================
   SIDEBAR
   ============================================= */
.sidebar {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  position: sticky;
  top: 5rem;
}

.sidebar-kartica {
  background: var(--bg-card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  padding: 1.25rem;
  transition: background var(--transition), border var(--transition);
}

.sidebar-kartica h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.lista-korisnika {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.korisnik-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.6rem 0.75rem;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition);
}

.korisnik-item:hover { background: var(--bg-card-hover); }

.korisnik-avatar {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-secondary);
  border-radius: var(--radius-round);
  font-size: 1.1rem;
}

.korisnik-info h5 { font-size: 0.88rem; font-weight: 600; color: var(--text-primary); }
.korisnik-info span { font-size: 0.78rem; color: var(--text-secondary); }

.statistika-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.stat-item {
  text-align: center;
  padding: 1rem 0.5rem;
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  border: 1px solid var(--border);
  transition: background var(--transition), border var(--transition);
}

.stat-broj {
  font-size: 1.5rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary-light), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label { font-size: 0.75rem; color: var(--text-muted); margin-top: 0.25rem; }

/* =============================================
   PROFIL SEKCIJA
   ============================================= */
.profil-wrapper { max-width: 680px; margin: 0 auto; }

.profil-header {
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
  padding: 2.5rem;
  text-align: center;
  margin-bottom: 1.5rem;
  position: relative;
  overflow: hidden;
  transition: background var(--transition), border var(--transition);
}

.profil-header::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 100px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  opacity: 0.2;
}

.profil-avatar-veliki {
  width: 90px;
  height: 90px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: var(--radius-round);
  font-size: 2.5rem;
  margin: 0 auto 1rem;
  position: relative;
  z-index: 1;
  box-shadow: 0 4px 20px var(--primary-glow);
  border: 3px solid var(--bg-card);
}

.profil-ime { font-size: 1.5rem; font-weight: 800; position: relative; z-index: 1; }
.profil-username { color: var(--text-secondary); font-size: 0.9rem; margin-top: 0.25rem; position: relative; z-index: 1; }
.profil-bio { color: var(--text-secondary); margin-top: 0.75rem; font-size: 0.95rem; position: relative; z-index: 1; }

.profil-stats {
  display: flex;
  justify-content: center;
  gap: 2.5rem;
  margin-top: 1.5rem;
  position: relative;
  z-index: 1;
}

.profil-stat { text-align: center; }
.profil-stat-broj { font-size: 1.4rem; font-weight: 700; color: var(--primary-light); }
.profil-stat-label { font-size: 0.8rem; color: var(--text-muted); }
.profil-join-date { margin-top: 1rem; font-size: 0.8rem; color: var(--text-muted); position: relative; z-index: 1; }

.profil-akcije {
  margin-top: 1.25rem;
  position: relative;
  z-index: 1;
}

.btn-posalji-dm {
  padding: 0.6rem 1.5rem;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  font-size: 0.9rem;
  font-weight: 600;
  border-radius: var(--radius-lg);
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.btn-posalji-dm:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-glow);
}

.profil-objave {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.profil-objave-naslov {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
  padding-left: 0.25rem;
}

.nema-objava {
  text-align: center;
  padding: 3rem;
  color: var(--text-muted);
  font-size: 0.95rem;
}

/* =============================================
   PORUKE / DM SEKCIJA
   ============================================= */
.poruke-layout {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 0;
  height: calc(100vh - 6rem);
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: background var(--transition), border var(--transition);
}

/* Konverzacije panel (lijevo) */
.konverzacije-panel {
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  background: var(--bg-secondary);
  transition: background var(--transition);
}

.konverzacije-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.25rem 1rem;
  border-bottom: 1px solid var(--border);
}

.konverzacije-header h3 {
  font-size: 1.15rem;
  font-weight: 700;
}

.btn-nova-konverzacija {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--primary);
  color: white;
  border-radius: var(--radius-round);
  transition: var(--transition);
}

.btn-nova-konverzacija:hover {
  transform: scale(1.1);
  box-shadow: var(--shadow-glow);
}

.lista-konverzacija {
  flex: 1;
  overflow-y: auto;
  padding: 0.5rem;
}

.konverzacija-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition);
  position: relative;
}

.konverzacija-item:hover { background: var(--bg-card-hover); }
.konverzacija-item.aktivan { background: rgba(108, 92, 231, 0.12); border-left: 3px solid var(--primary); }

.konverzacija-avatar {
  width: 46px;
  height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-card);
  border-radius: var(--radius-round);
  font-size: 1.3rem;
  flex-shrink: 0;
  border: 2px solid var(--border-light);
}

.konverzacija-info { flex: 1; min-width: 0; }
.konverzacija-ime { font-size: 0.9rem; font-weight: 600; color: var(--text-primary); }

.konverzacija-zadnja {
  font-size: 0.8rem;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-top: 0.15rem;
}

.konverzacija-meta {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.3rem;
  flex-shrink: 0;
}

.konverzacija-datum { font-size: 0.7rem; color: var(--text-muted); }

.konverzacija-badge {
  min-width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent);
  color: white;
  font-size: 0.65rem;
  font-weight: 700;
  border-radius: 10px;
  padding: 0 6px;
}

.nema-konverzacija {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* Chat panel (desno) */
.chat-panel {
  display: flex;
  flex-direction: column;
  background: var(--bg-card);
  transition: background var(--transition);
}

.chat-placeholder {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  gap: 0.5rem;
}

.chat-placeholder-ikona { font-size: 4rem; opacity: 0.4; }
.chat-placeholder h3 { font-size: 1.2rem; font-weight: 600; }
.chat-placeholder p { font-size: 0.9rem; }

.chat-aktivan {
  display: flex;
  flex-direction: column;
  flex: 1;
  min-height: 0;
}

.chat-header {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg-secondary);
  transition: background var(--transition);
}

.chat-header-avatar {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  border-radius: var(--radius-round);
  font-size: 1.2rem;
}

.chat-header-info h4 { font-size: 0.95rem; font-weight: 600; }
.chat-header-info span { font-size: 0.8rem; color: var(--text-secondary); }

.chat-poruke {
  flex: 1;
  overflow-y: auto;
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.poruka-item {
  max-width: 75%;
  display: flex;
  flex-direction: column;
  animation: fadeIn 0.25s ease;
}

.poruka-item.moja { align-self: flex-end; }
.poruka-item.tudja { align-self: flex-start; }

.poruka-balon {
  padding: 0.7rem 1rem;
  border-radius: var(--radius-lg);
  font-size: 0.92rem;
  line-height: 1.5;
  word-wrap: break-word;
  position: relative;
}

.poruka-item.moja .poruka-balon {
  background: var(--chat-mine);
  color: var(--chat-mine-text);
  border-bottom-right-radius: 4px;
}

.poruka-item.tudja .poruka-balon {
  background: var(--chat-theirs);
  color: var(--chat-theirs-text);
  border-bottom-left-radius: 4px;
}

.poruka-datum {
  font-size: 0.68rem;
  color: var(--text-muted);
  margin-top: 0.25rem;
  padding: 0 0.25rem;
}

.poruka-item.moja .poruka-datum { text-align: right; }

.chat-input-wrapper {
  display: flex;
  gap: 0.5rem;
  padding: 1rem 1.25rem;
  border-top: 1px solid var(--border);
  background: var(--bg-secondary);
  transition: background var(--transition);
}

.chat-input-wrapper input {
  flex: 1;
  padding: 0.75rem 1rem;
  background: var(--bg-input);
  color: var(--text-primary);
  border-radius: var(--radius-lg);
  font-size: 0.9rem;
  border: 1px solid var(--border);
  transition: var(--transition);
}

.chat-input-wrapper input:focus { border-color: var(--primary); }
.chat-input-wrapper input::placeholder { color: var(--text-muted); }

.btn-posalji {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  border-radius: var(--radius-round);
  transition: var(--transition);
  flex-shrink: 0;
}

.btn-posalji:hover { transform: scale(1.08); box-shadow: var(--shadow-glow); }

/* Nova konverzacija modal */
.modal-sm { max-width: 400px; }

.lista-korisnika-dm {
  padding: 0.5rem 1rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  max-height: 350px;
  overflow-y: auto;
}

.korisnik-dm-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition);
}

.korisnik-dm-item:hover {
  background: rgba(108, 92, 231, 0.12);
}

.korisnik-dm-avatar {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-secondary);
  border-radius: var(--radius-round);
  font-size: 1.2rem;
}

.korisnik-dm-info h5 { font-size: 0.9rem; font-weight: 600; }
.korisnik-dm-info span { font-size: 0.78rem; color: var(--text-secondary); }

/* =============================================
   MODAL
   ============================================= */
.modal {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.modal-overlay {
  position: absolute;
  inset: 0;
  background: var(--bg-overlay);
  backdrop-filter: blur(8px);
}

.modal-sadrzaj {
  position: relative;
  z-index: 1;
  background: var(--bg-card);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
  width: 100%;
  max-width: 520px;
  max-height: 80vh;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-lg);
  animation: modalSlideUp 0.3s ease;
  transition: background var(--transition), border var(--transition);
}

@keyframes modalSlideUp {
  from { opacity: 0; transform: translateY(20px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  border-bottom: 1px solid var(--border);
}

.modal-header h3 { font-size: 1.1rem; font-weight: 700; }

.btn-zatvori {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-secondary);
  color: var(--text-secondary);
  border-radius: var(--radius-round);
  font-size: 1.5rem;
  transition: var(--transition);
}

.btn-zatvori:hover { background: var(--danger); color: white; }

.modal-body {
  display: flex;
  flex-direction: column;
  flex: 1;
  overflow: hidden;
}

.lista-komentara {
  flex: 1;
  overflow-y: auto;
  padding: 1rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  max-height: 400px;
}

.komentar-item { display: flex; gap: 0.75rem; animation: fadeIn 0.3s ease; }

.komentar-avatar {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-secondary);
  border-radius: var(--radius-round);
  font-size: 1rem;
  flex-shrink: 0;
}

.komentar-sadrzaj {
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  flex: 1;
  transition: background var(--transition);
}

.komentar-ime { font-size: 0.85rem; font-weight: 600; color: var(--primary-light); margin-bottom: 0.25rem; }
.komentar-tekst { font-size: 0.9rem; color: var(--text-primary); line-height: 1.5; }
.komentar-datum { font-size: 0.75rem; color: var(--text-muted); margin-top: 0.4rem; }

.nema-komentara { text-align: center; padding: 2rem; color: var(--text-muted); }

.komentar-input-wrapper {
  display: flex;
  gap: 0.5rem;
  padding: 1rem 1.5rem;
  border-top: 1px solid var(--border);
}

.komentar-input-wrapper input {
  flex: 1;
  padding: 0.75rem 1rem;
  background: var(--bg-input);
  color: var(--text-primary);
  border-radius: var(--radius-lg);
  font-size: 0.9rem;
  border: 1px solid var(--border);
  transition: var(--transition);
}

.komentar-input-wrapper input:focus { border-color: var(--primary); }
.komentar-input-wrapper input::placeholder { color: var(--text-muted); }

.btn-posalji-komentar {
  width: 42px;
  height: 42px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: white;
  border-radius: var(--radius-round);
  transition: var(--transition);
  flex-shrink: 0;
}

.btn-posalji-komentar:hover { transform: scale(1.08); box-shadow: var(--shadow-glow); }

/* =============================================
   TOAST OBAVIJESTI
   ============================================= */
.toast-container {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 300;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.toast {
  padding: 0.85rem 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-size: 0.9rem;
  font-weight: 500;
  box-shadow: var(--shadow-md);
  animation: toastSlide 0.3s ease;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  backdrop-filter: blur(12px);
}

.toast.uspjeh { border-left: 3px solid var(--success); }
.toast.greska { border-left: 3px solid var(--danger); }

@keyframes toastSlide {
  from { opacity: 0; transform: translateX(30px); }
  to { opacity: 1; transform: translateX(0); }
}

.toast.nestaje { animation: toastFade 0.3s ease forwards; }

@keyframes toastFade {
  to { opacity: 0; transform: translateX(30px); }
}

/* =============================================
   UCITAVANJE
   ============================================= */
.ucitavanje {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  padding: 3rem;
  color: var(--text-muted);
}

.spinner {
  width: 36px;
  height: 36px;
  border: 3px solid var(--border);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* =============================================
   RESPONSIVE
   ============================================= */
@media (max-width: 900px) {
  #sekcijaPocetna {
    grid-template-columns: 1fr;
  }

  .sidebar {
    position: static;
    order: -1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
  }

  .nav-pretraga { display: none; }

  .poruke-layout {
    grid-template-columns: 1fr;
    height: auto;
    min-height: calc(100vh - 6rem);
  }

  .konverzacije-panel {
    border-right: none;
    border-bottom: 1px solid var(--border);
    max-height: 300px;
  }
}

@media (max-width: 600px) {
  .prijava-kartica { margin: 1rem; padding: 2rem 1.5rem; }
  .nav-sadrzaj { padding: 0.75rem 1rem; }
  .logo-tekst { display: none; }
  .sidebar { grid-template-columns: 1fr; }
  .profil-header { padding: 2rem 1.5rem; }
  .profil-stats { gap: 1.5rem; }
  .modal-sadrzaj { margin: 0.5rem; }

  .poruke-layout { grid-template-columns: 1fr; }
  .konverzacije-panel { max-height: 250px; }
}