:root{
  --bg:#f6f5f3;--surface:#fff;--border:#e6e3dd;--text:#20211f;--muted:#6f6b63;
  --accent:#b5502f;--accent2:#8f3d24;--accent-soft:#f3e3dc;
}
@media (prefers-color-scheme: dark){
  :root{
    --bg:#171614;--surface:#211f1c;--border:#39352e;--text:#f1efe9;--muted:#a39c8f;
    --accent:#e08a5e;--accent2:#f0a878;--accent-soft:#3a2a20;
  }
}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",sans-serif;background:var(--bg);color:var(--text);letter-spacing:.1px}
a{color:inherit;text-decoration:none}
button{font-family:inherit}

.app-layout{display:flex;min-height:100vh}

.sidebar{width:230px;flex-shrink:0;background:var(--surface);border-right:1px solid var(--border);display:flex;flex-direction:column;gap:20px;padding:22px 16px;position:sticky;top:0;height:100vh;overflow-y:auto}
.sidebar .logo{font-weight:800;font-size:21px;color:var(--accent);letter-spacing:-.3px}
.sidebar-nav{display:flex;flex-direction:column;gap:4px}
.sidebar-nav a{padding:10px 12px;border-radius:8px;font-size:14px;font-weight:600;color:var(--text)}
.sidebar-nav a:hover{background:var(--bg)}
.sidebar-cta{text-align:center;margin-bottom:8px;background:var(--accent);color:#fff!important;border-radius:8px;font-weight:700}
.sidebar-user{padding:10px 12px;font-size:12px;color:var(--muted);font-weight:700;text-transform:uppercase;letter-spacing:.6px}
.sidebar-messages-link{display:flex;align-items:center;gap:8px}
.unread-badge{background:#c0392b;color:#fff;font-size:11px;font-weight:700;border-radius:10px;padding:1px 7px;line-height:1.5}

.categories-nav{display:flex;flex-direction:column;gap:2px;border-top:1px solid var(--border);padding-top:16px}
.categories-nav-title{padding:0 12px 6px;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.6px;color:var(--muted)}
.category-nav-link{display:flex;align-items:center;gap:8px;padding:8px 12px;border-radius:8px;font-size:14px;font-weight:600;color:var(--text)}
.category-nav-link:hover{background:var(--bg)}
.category-nav-count{margin-left:auto;font-size:11px;font-weight:700;color:var(--muted);background:var(--bg);border-radius:10px;padding:1px 7px}
.category-dot{width:9px;height:9px;border-radius:50%;flex-shrink:0}
.category-dot.lg{width:22px;height:22px}

.sidebar-stats{display:flex;flex-direction:column;gap:4px;border-top:1px solid var(--border);padding:14px 12px 0;margin-top:auto}
.sidebar-stats-line{font-size:12px;color:var(--muted)}
.sidebar-stats-line b{color:var(--text)}

.role-badge{display:inline-block;font-size:10px;font-weight:800;letter-spacing:.3px;border-radius:5px;padding:1px 6px;vertical-align:middle;text-transform:uppercase}
.role-badge.admin{background:#c0392b;color:#fff}
.role-badge.moderator{background:#2563eb;color:#fff}

.main-column{flex:1;display:flex;flex-direction:column;min-width:0}

.site-header{background:var(--surface);border-bottom:1px solid var(--border);display:flex;justify-content:center;padding:14px 24px;position:sticky;top:0;z-index:50}
.search-form{display:flex;gap:8px;width:100%;max-width:480px}
.search-form input{flex:1;padding:9px 14px;border:1px solid var(--border);border-radius:8px;background:var(--bg);color:var(--text)}
.search-form input:focus{outline:2px solid var(--accent);outline-offset:-1px;background:var(--surface)}
.search-form button{padding:9px 18px;border:none;border-radius:8px;background:var(--accent);color:#fff;cursor:pointer;flex-shrink:0;font-weight:700}

.page-main{flex:1;padding:28px 32px 60px;max-width:860px;width:100%;margin:0 auto}
.page-title{font-size:26px;margin:0 0 16px;font-weight:800;letter-spacing:-.4px}
.category-description{color:var(--muted);margin:2px 0 0}
.category-header-stat{color:var(--muted);font-size:13px;margin:6px 0 0;font-weight:600}

.site-footer{text-align:center;color:var(--muted);font-size:12px;padding:24px}
.exchange-rate{margin:0 0 4px;font-weight:600}

.btn-primary{display:inline-block;padding:9px 18px;border-radius:8px;background:var(--accent);color:#fff!important;font-weight:700;font-size:14px;border:none;cursor:pointer}

/* Avatari — inicijal + boja izvedena iz imena (avatar_hue filter) */
.avatar{display:inline-flex;align-items:center;justify-content:center;width:38px;height:38px;border-radius:50%;color:#fff;font-weight:700;font-size:15px;flex-shrink:0;object-fit:cover;object-position:center;vertical-align:middle}
.avatar.lg{width:44px;height:44px;font-size:17px}
.avatar.sm{width:24px;height:24px;font-size:11px;vertical-align:middle;margin-right:6px}

/* Grid kategorija na naslovnoj */
.category-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:10px;margin-bottom:28px}
.category-card{display:flex;flex-direction:column;gap:8px;padding:16px;border:1px solid var(--border);border-radius:12px;background:var(--surface)}
.category-card:hover{border-color:var(--accent)}
.category-card-name{font-weight:700;font-size:15px}
.category-card-count{color:var(--muted);font-size:12px;font-weight:600}

.category-header{display:flex;gap:14px;align-items:flex-start;padding-bottom:18px;margin-bottom:18px;border-bottom:2px solid var(--border)}

.category-badge{display:inline-block;font-size:11px;font-weight:700;border-radius:6px;padding:2px 8px;letter-spacing:.2px}

.topic-list{display:flex;flex-direction:column;gap:10px}
.topic-item{display:flex;gap:12px;align-items:flex-start;padding:16px;border:1px solid var(--border);border-radius:12px;background:var(--surface)}
.topic-item:hover{border-color:var(--accent);box-shadow:0 2px 10px rgba(0,0,0,.04)}
.topic-item.pinned{border-color:var(--accent2);background:var(--accent-soft)}
.topic-item-body{min-width:0;flex:1}
.topic-item-main{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.pin-badge{font-size:11px;font-weight:700;color:#fff;background:var(--accent2);border-radius:10px;padding:1px 8px;flex-shrink:0}
.topic-title{font-weight:700;font-size:16px;line-height:1.35}
.topic-item-meta{display:flex;gap:12px;flex-wrap:wrap;margin-top:8px;color:var(--muted);font-size:12.5px;align-items:center}
.stat-pill{background:var(--bg);border-radius:10px;padding:1px 9px;font-weight:600}
.last-reply{color:var(--muted)}
.last-reply b{color:var(--text)}
.empty-state{color:var(--muted);padding:24px 0;text-align:center}

.topic-meta{display:flex;gap:10px;align-items:center;color:var(--muted);font-size:13px;margin-bottom:18px}
.back-link{display:inline-block;margin-bottom:10px;color:var(--muted);font-size:13px;font-weight:600}

.post-card{display:flex;gap:12px;border:1px solid var(--border);border-radius:12px;background:var(--surface);padding:16px;margin-bottom:10px}
.post-card-body{min-width:0;flex:1}
.post-author{font-weight:700;font-size:14px}
.post-meta{color:var(--muted);font-size:12px;margin-bottom:6px}
.post-body{white-space:pre-wrap;word-break:break-word;line-height:1.55;margin-top:4px}
.post-signature{margin-top:10px;padding-top:8px;border-top:1px solid var(--border);color:var(--muted);font-size:12px;font-style:italic;white-space:pre-wrap}
.post-footer{margin-top:10px}

.like-btn{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--border);background:var(--bg);color:var(--muted);border-radius:20px;padding:4px 12px;font-size:13px;font-weight:700;cursor:pointer;font-family:inherit}
.like-btn:hover{border-color:var(--accent);color:var(--accent)}
.like-btn.liked{background:var(--accent-soft);border-color:var(--accent);color:var(--accent2)}
.like-btn.disabled{cursor:default;opacity:.7}
.like-icon{font-size:13px}
.stat-pill.like-pill{color:var(--accent2)}

.reply-form{display:flex;flex-direction:column;gap:10px;margin-top:22px}
.reply-form textarea{padding:12px;border:1px solid var(--border);border-radius:10px;font-family:inherit;background:var(--surface);color:var(--text);resize:vertical}
.reply-form button{align-self:flex-start;padding:9px 22px;border:none;border-radius:8px;background:var(--accent);color:#fff;cursor:pointer;font-weight:700}
.login-to-message{margin-top:22px;padding-top:18px;border-top:1px solid var(--border);color:var(--muted);font-size:14px}
.login-to-message a{color:var(--accent);font-weight:700}

.profile-avatar-row{display:flex;align-items:center;gap:16px;margin-bottom:24px}

.form-card{display:flex;flex-direction:column;gap:14px;max-width:480px}
.form-card label{display:flex;flex-direction:column;gap:6px;font-weight:700;font-size:14px}
.form-card input,.form-card select,.form-card textarea{padding:9px 12px;border:1px solid var(--border);border-radius:8px;font-family:inherit;background:var(--surface);color:var(--text)}
.form-card button{align-self:flex-start;padding:10px 26px;border:none;border-radius:8px;background:var(--accent);color:#fff;cursor:pointer;font-weight:700}
.form-error{color:#c0392b;font-weight:700}
.form-footer-link{margin-top:12px;font-size:14px;color:var(--muted)}
.form-footer-link a{color:var(--accent);font-weight:700}

/* Admin panel */
.admin-layout{min-height:100vh}
.admin-nav{display:flex;align-items:center;gap:20px;padding:14px 24px;background:var(--surface);border-bottom:1px solid var(--border)}
.admin-logo{font-weight:800;color:var(--accent)}
.admin-nav a{font-size:14px;font-weight:700}
.admin-nav a:hover{color:var(--accent)}
.admin-logout{margin-left:auto;color:var(--muted)!important}
.admin-content{max-width:960px;margin:0 auto;padding:24px 32px}
.admin-header-row{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px}

.stat-grid{display:flex;gap:16px}
.stat-card{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:20px 28px;text-align:center}
.stat-value{display:block;font-size:34px;font-weight:800;color:var(--accent)}
.stat-label{color:var(--muted);font-size:13px;font-weight:600}

.admin-table{width:100%;border-collapse:collapse;background:var(--surface);border:1px solid var(--border);border-radius:12px;overflow:hidden}
.admin-table th,.admin-table td{padding:10px 14px;border-bottom:1px solid var(--border);text-align:left;font-size:14px}
.admin-table th{color:var(--muted);font-weight:700;font-size:11px;text-transform:uppercase;letter-spacing:.4px}
.admin-table tr:last-child td{border-bottom:none}
.admin-table-actions{display:flex;gap:10px}
.admin-table-actions form{display:inline}
.link-btn{background:none;border:none;color:var(--accent);cursor:pointer;font-weight:700;font-size:14px;padding:0}
.link-btn.danger{color:#c0392b}
.badge-ok{color:#2e7d4f;font-weight:700;font-size:12px}
.badge-danger{color:#c0392b;font-weight:700;font-size:12px}

/* Poruke — lista konverzacija */
.conversation-list{display:flex;flex-direction:column;gap:8px}
.conversation-item{display:flex;gap:12px;align-items:center;padding:14px 16px;border:1px solid var(--border);border-radius:12px;background:var(--surface);position:relative}
.conversation-item:hover{border-color:var(--accent)}
.conversation-item.unread{border-color:var(--accent)}
.conversation-item-body{min-width:0;flex:1}
.conversation-item-main{display:flex;align-items:baseline;gap:10px}
.conversation-other{font-weight:700}
.conversation-time{color:var(--muted);font-size:12px}
.conversation-preview{margin:4px 0 0;color:var(--muted);font-size:13px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.conversation-unread-badge{background:var(--accent);color:#fff;font-size:11px;font-weight:700;border-radius:10px;padding:2px 9px;flex-shrink:0}

/* Poruke / staff chat — mehurići */
.message-list{display:flex;flex-direction:column;gap:8px;max-height:520px;overflow-y:auto;padding:16px;border:1px solid var(--border);border-radius:12px;background:var(--surface);margin-bottom:14px}
.message-bubble{max-width:70%;padding:9px 13px;border-radius:12px;background:var(--bg)}
.message-bubble.mine{align-self:flex-end;background:var(--accent);color:#fff}
.message-bubble .message-body{margin:0;white-space:pre-wrap;word-break:break-word}
.message-bubble .message-time{display:block;font-size:11px;opacity:.7;margin-top:4px}
.message-form{display:flex;flex-direction:column;gap:8px}
.message-form-toolbar{display:flex;gap:6px;align-items:center;flex-wrap:wrap}
.format-btn{border:1px solid var(--border);background:var(--surface);color:var(--text);border-radius:6px;padding:4px 10px;font-size:13px;cursor:pointer;font-family:inherit}
.format-btn:hover{border-color:var(--accent);color:var(--accent)}
.format-btn.bold-btn{font-weight:800}
.format-btn.italic-btn{font-style:italic}
.emoji-btn{font-size:15px;padding:3px 7px}
.message-form-row{display:flex;gap:10px;align-items:flex-end}
.message-form textarea{flex:1;padding:10px;border:1px solid var(--border);border-radius:10px;font-family:inherit;background:var(--surface);color:var(--text);resize:vertical}
.message-form button{padding:9px 22px;border:none;border-radius:8px;background:var(--accent);color:#fff;cursor:pointer;font-weight:700;flex-shrink:0}
.file-input-label{border:1px solid var(--border);background:var(--surface);border-radius:8px;padding:9px 14px;font-size:13px;cursor:pointer;flex-shrink:0}
.file-input-label:hover{border-color:var(--accent)}
.file-input-label input{display:none}
.file-input-name{font-size:12px;color:var(--muted)}

.message-attachment{margin-top:8px}
.message-attachment-img{max-width:220px;max-height:220px;border-radius:8px;cursor:zoom-in;display:block;user-select:none}
.message-attachment-file{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border:1px solid var(--border);border-radius:8px;background:var(--surface);color:var(--accent);font-size:13px;font-weight:600}
.message-bubble.mine .message-attachment-file{background:rgba(255,255,255,.15);color:#fff;border-color:transparent}

/* Lightbox */
.lightbox{display:none;position:fixed;inset:0;background:rgba(0,0,0,.9);z-index:1000;align-items:center;justify-content:center;cursor:pointer}
.lightbox.open{display:flex}
.lightbox img{max-width:90vw;max-height:90vh;transition:transform .2s ease;cursor:zoom-in;user-select:none}
.lightbox img.zoomed{cursor:zoom-out}
.lightbox-close{position:absolute;top:20px;right:32px;color:#fff;font-size:40px;font-weight:300;line-height:1;cursor:pointer;user-select:none}
.lightbox-close:hover{color:var(--accent)}