/* ===== THEME VARIABLES ===== */
:root {
    --bg:       #ffffff;
    --bg-2:     #f6f7f8;
    --bg-3:     #edeff1;
    --border:   #edeff1;
    --text:     #0f1a1c;
    --text-2:   #576f76;
    --text-3:   #9aafb4;
    --card:     #ffffff;
    --blue:     #2563eb;
    --blue-bg:  #eff6ff;
    --upvote:   #ff4500;
    --nav-w:    280px;
    --rnav-w:   280px;
    --top-h:    56px;
    --shadow:   0 1px 3px rgba(0,0,0,0.08);
    --radius:   10px;
}
[data-theme="dark"] {
    --bg:       #0a0e1a;
    --bg-2:     #111827;
    --bg-3:     #1f2937;
    --border:   #1f2937;
    --text:     #e5e7eb;
    --text-2:   #9ca3af;
    --text-3:   #4b5563;
    --card:     #111827;
    --blue-bg:  rgba(37,99,235,0.1);
    --shadow:   0 1px 3px rgba(0,0,0,0.3);
}

/* ===== BASE ===== */
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;background:var(--bg-2);color:var(--text);transition:background .2s,color .2s}
a{text-decoration:none;color:inherit}
button{cursor:pointer;font-family:inherit}

/* ===== TOP NAV ===== */
.top-nav{
    position:fixed;top:0;left:0;right:0;z-index:200;
    height:var(--top-h);background:var(--card);
    border-bottom:1px solid var(--border);
    display:flex;align-items:center;padding:0 1rem;gap:1rem;
    box-shadow:var(--shadow);
}
.tnav-logo{
    display:flex;
    align-items:center;
    gap:10px;
    flex-shrink:0;
    text-decoration:none;
    justify-content:flex-start;
}

.tnav-logo img{
    width:34px;
    height:34px;
    object-fit:contain;
    filter:none;
}

.tnav-logo-text{
    font-family:Inter,Arial,sans-serif;
    font-size:20px;
    font-weight:750;
    letter-spacing:-0.7px;
    line-height:1;
    white-space:nowrap;
}

.tnav-logo-text .sh{
    color:#3b82f6;
}

.tnav-logo-text .konnect{
    color:#f1f5f9;
}
.tnav-search{flex:1;max-width:500px;margin:0 auto}
.tnav-search input{
    width:100%;background:var(--bg-2);border:1px solid var(--border);
    border-radius:20px;padding:8px 16px 8px 36px;font-size:14px;color:var(--text);
    outline:none;transition:border-color .2s;font-family:inherit;
}
.tnav-search{position:relative}
.tnav-search i{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--text-3);font-size:16px;pointer-events:none}
.tnav-search input:focus{border-color:var(--blue);background:var(--card)}
.tnav-search input::placeholder{color:var(--text-3)}
.tnav-right{display:flex;align-items:center;gap:.5rem;margin-left:auto}
.tnav-icon-btn{
    width:38px;height:38px;border-radius:50%;background:var(--bg-2);
    border:1px solid var(--border);color:var(--text-2);
    display:flex;align-items:center;justify-content:center;
    font-size:18px;transition:all .2s;position:relative;
}
.tnav-icon-btn:hover{background:var(--bg-3);color:var(--blue)}
.tnav-badge{
    position:absolute;top:-3px;right:-3px;
    background:#ef4444;color:#fff;font-size:10px;font-weight:700;
    width:16px;height:16px;border-radius:50%;display:flex;align-items:center;justify-content:center;
    border:2px solid var(--card);
}
.tnav-user{display:flex;align-items:center;gap:8px;padding:4px 10px 4px 4px;border-radius:20px;background:var(--bg-2);border:1px solid var(--border);cursor:pointer;transition:all .2s;position:relative}
.tnav-user:hover{border-color:var(--blue)}
.tnav-avatar{width:28px;height:28px;border-radius:50%;background:var(--blue);display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;color:#fff}
.tnav-username{font-size:13px;font-weight:600;color:var(--text)}
.user-dropdown{position:absolute;top:calc(100% + 8px);right:0;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);min-width:190px;box-shadow:0 8px 24px rgba(0,0,0,0.15);display:none;overflow:hidden;z-index:300}
.user-dropdown.open{display:block}
.user-dropdown a{display:flex;align-items:center;gap:10px;padding:10px 16px;font-size:14px;color:var(--text-2);transition:background .15s}
.user-dropdown a:hover{background:var(--bg-2);color:var(--text)}
.user-dropdown-divider{border-top:1px solid var(--border)}

/* ===== LAYOUT WRAPPER ===== */
.layout-root {
    display:flex;
    justify-content:center;
    align-items:flex-start;
    min-height:100vh;
    padding-top:var(--top-h);
}

/* ===== MAIN CONTENT ===== */
.main-wrap{
    order:2;
    width:680px;
    flex-shrink:0;
    padding:1.25rem 1rem;
    min-height:calc(100vh - var(--top-h));
}
.main-wrap > div, .main-wrap > form {
    width:100%;
}
.main-inner{width:100%;}

/* ===== RIGHT SIDEBAR ===== */
.right-nav{
    order:3;
    width:var(--rnav-w);
    flex-shrink:0;
    position:sticky;
    top:var(--top-h);
    height:calc(100vh - var(--top-h));
    overflow-y:auto;
    padding:1rem;
    border-left:1px solid var(--border);
    background:var(--card);
}
.left-nav{ order:1;
    width:var(--nav-w);
    flex-shrink:0;
    position:sticky;
    top:var(--top-h);
    height:calc(100vh - var(--top-h));
    overflow-y:auto;
    display:flex;flex-direction:column;
    padding:1rem .75rem;gap:.2rem;
    border-right:1px solid var(--border);
    background:var(--card);
}
.lnav-btn{
    display:flex;align-items:center;gap:.75rem;
    padding:10px 12px;border-radius:var(--radius);
    background:transparent;border:none;color:var(--text-2);
    font-size:14px;font-weight:600;transition:all .2s;
    text-decoration:none;cursor:pointer;width:100%;
    font-family:inherit;
}
.lnav-btn:hover{background:var(--bg-2);color:var(--text)}
.lnav-btn.active{background:var(--blue-bg);color:var(--blue)}
.lnav-btn i{font-size:20px;width:24px;text-align:center;flex-shrink:0}
.lnav-btn span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.lnav-btn .lnav-tooltip{display:none}
.lnav-divider{width:100%;height:1px;background:var(--border);margin:.5rem 0}
.lnav-badge{
    margin-left:auto;background:#ef4444;color:#fff;
    font-size:11px;font-weight:700;min-width:18px;height:18px;
    border-radius:9px;display:flex;align-items:center;
    justify-content:center;padding:0 4px;
}

.rnav-section{margin-bottom:1.5rem}
.rnav-title{font-size:11px;font-weight:700;color:var(--text-3);letter-spacing:1px;text-transform:uppercase;margin-bottom:.75rem;display:flex;align-items:center;justify-content:space-between}
.rnav-title a{font-size:11px;color:var(--blue);text-transform:none;letter-spacing:0;font-weight:600}
.req-card{display:flex;align-items:center;gap:.75rem;padding:.6rem 0;border-bottom:1px solid var(--border)}
.req-card:last-child{border:none}
.req-avatar{width:38px;height:38px;border-radius:50%;background:var(--blue);display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;color:#fff;flex-shrink:0}
.req-info{flex:1;min-width:0}
.req-name{font-size:13px;font-weight:600;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.req-meta{font-size:12px;color:var(--text-3)}
.req-actions{display:flex;gap:.35rem}
.req-btn{width:28px;height:28px;border-radius:50%;border:none;display:flex;align-items:center;justify-content:center;font-size:14px;transition:all .2s;cursor:pointer}
.req-btn-accept{background:rgba(37,99,235,.1);color:var(--blue)}.req-btn-accept:hover{background:var(--blue);color:#fff}
.req-btn-decline{background:rgba(239,68,68,.1);color:#ef4444}.req-btn-decline:hover{background:#ef4444;color:#fff}
.online-user{display:flex;align-items:center;gap:.75rem;padding:.5rem 0;border-bottom:1px solid var(--border)}
.online-user:last-child{border:none}
.online-avatar{position:relative;flex-shrink:0}
.online-avatar-img{width:34px;height:34px;border-radius:50%;background:var(--blue-bg);display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:700;color:var(--blue)}
.online-dot{position:absolute;bottom:1px;right:1px;width:9px;height:9px;border-radius:50%;background:#22c55e;border:2px solid var(--card)}
.online-info{flex:1;min-width:0}
.online-name{font-size:13px;font-weight:600;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;display:block}
.online-role{font-size:11px;color:var(--text-3)}
.follow-btn{font-size:11px;font-weight:600;padding:4px 10px;border-radius:20px;border:1px solid var(--border);background:transparent;color:var(--text-2);transition:all .2s;white-space:nowrap;cursor:pointer}
.follow-btn:hover{border-color:var(--blue);color:var(--blue)}
.follow-btn.following{background:var(--blue-bg);color:var(--blue);border-color:transparent}

/* ===== CHANNEL TABS ===== */
.channel-tabs{
    display:flex;gap:.35rem;overflow-x:auto;padding:.75rem 1rem;
    background:var(--card);border:1px solid var(--border);
    border-radius:var(--radius);margin-bottom:.75rem;
    scrollbar-width:none;
}
.channel-tabs::-webkit-scrollbar{display:none}
.ch-tab{
    display:flex;align-items:center;gap:6px;padding:7px 14px;
    border-radius:20px;font-size:13px;font-weight:600;
    color:var(--text-2);background:transparent;border:none;
    transition:all .2s;white-space:nowrap;text-decoration:none;
}
.ch-tab:hover{background:var(--bg-2);color:var(--text)}
.ch-tab.active{background:var(--blue);color:#fff}
.ch-tab-emoji{font-size:15px}

/* ===== NEW POST BOX ===== */
.new-post-box{
    display:flex;align-items:center;gap:.75rem;
    background:var(--card);border:1px solid var(--border);
    border-radius:var(--radius);padding:.75rem 1rem;
    margin-bottom:.75rem;
}
.np-avatar{width:36px;height:36px;border-radius:50%;background:var(--blue);display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;color:#fff;flex-shrink:0}
.np-input{flex:1;background:var(--bg-2);border:1px solid var(--border);border-radius:20px;padding:9px 16px;font-size:14px;color:var(--text-3);cursor:pointer;transition:border-color .2s}
.np-input:hover{border-color:var(--blue)}
.np-btn{display:flex;align-items:center;gap:5px;background:var(--blue);color:#fff;border:none;padding:8px 16px;border-radius:20px;font-size:13px;font-weight:600;transition:background .2s;text-decoration:none}
.np-btn:hover{background:#1d4ed8}

/* ===== SORT BAR ===== */
.sort-bar{display:flex;gap:.35rem;padding:.5rem .75rem;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);margin-bottom:.75rem}
.sort-btn{display:flex;align-items:center;gap:5px;background:transparent;border:none;color:var(--text-2);padding:6px 12px;border-radius:20px;font-size:13px;font-weight:600;transition:all .15s;text-decoration:none}
.sort-btn:hover{background:var(--bg-2);color:var(--text)}
.sort-btn.active{background:var(--bg-3);color:var(--text)}

/* ===== POST CARD ===== */
.post-card{display:flex;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);margin-bottom:.5rem;transition:border-color .15s;overflow:hidden}
.post-card:hover{border-color:var(--blue)}
.post-vote{display:flex;flex-direction:column;align-items:center;padding:.75rem .5rem;background:var(--bg-2);gap:4px;min-width:46px}
.vote-btn{background:transparent;border:none;color:var(--text-3);font-size:20px;padding:2px;border-radius:4px;transition:all .15s;display:flex;align-items:center;justify-content:center;width:26px;height:26px}
.vote-btn:hover{color:var(--upvote);background:rgba(255,69,0,.1)}
.vote-btn.voted{color:var(--upvote)}
.vote-count{font-size:12px;font-weight:700;color:var(--text-2)}
.post-body{flex:1;padding:.75rem 1rem;min-width:0}
.post-meta{display:flex;align-items:center;gap:.5rem;margin-bottom:.4rem;flex-wrap:wrap}
.post-channel-tag{font-size:12px;font-weight:600;color:var(--blue);background:var(--blue-bg);padding:2px 8px;border-radius:20px;text-decoration:none}
.post-channel-tag:hover{background:var(--blue);color:#fff}
.post-author-wrap{display:flex;align-items:center;gap:5px}
.post-author-avatar{width:18px;height:18px;border-radius:50%;background:var(--blue);display:flex;align-items:center;justify-content:center;font-size:9px;font-weight:700;color:#fff}
.post-author{font-size:12px;color:var(--text-3)}
.post-author strong{color:var(--text-2)}
.post-time{font-size:12px;color:var(--text-3)}
.post-title{font-size:1rem;font-weight:600;color:var(--text);margin-bottom:.4rem;line-height:1.4;display:block;text-decoration:none}
.post-title:hover{color:var(--blue)}
.post-excerpt{font-size:13px;color:var(--text-2);line-height:1.5;margin-bottom:.5rem}
.post-actions{display:flex;gap:.35rem;align-items:center;flex-wrap:wrap}
.post-action-btn{display:flex;align-items:center;gap:5px;background:transparent;border:none;color:var(--text-3);font-size:12px;padding:5px 8px;border-radius:6px;transition:all .15s;text-decoration:none}
.post-action-btn:hover{background:var(--bg-2);color:var(--text-2)}

/* ===== POST DETAIL ===== */
.post-detail{display:flex;background:var(--card);border:1px solid var(--border);border-radius:var(--radius);margin-top:1rem;overflow:hidden}
.post-detail-vote{display:flex;flex-direction:column;align-items:center;padding:1rem .75rem;background:var(--bg-2);gap:6px;min-width:52px}
.post-detail-body{flex:1;padding:1.5rem}
.post-detail-title{font-size:1.3rem;font-weight:700;margin-bottom:1rem;line-height:1.4}
.post-detail-content{font-size:15px;color:var(--text-2);line-height:1.75;margin-bottom:1.5rem}
.post-detail-actions{display:flex;gap:.5rem;padding-top:1rem;border-top:1px solid var(--border);flex-wrap:wrap}

/* ===== COMMENTS ===== */
.comments-section{margin-top:1rem}
.comment-box{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:1rem;margin-bottom:.75rem}
.comment-box textarea{width:100%;background:var(--bg-2);border:1px solid var(--border);border-radius:var(--radius);padding:10px 12px;font-size:14px;color:var(--text);resize:vertical;min-height:80px;outline:none;font-family:inherit;transition:border-color .2s}
.comment-box textarea:focus{border-color:var(--blue)}
.comment-box textarea::placeholder{color:var(--text-3)}
.comment-submit{background:var(--blue);color:#fff;border:none;padding:8px 18px;border-radius:var(--radius);font-size:13px;font-weight:600;transition:background .2s;margin-top:.5rem}
.comment-submit:hover{background:#1d4ed8}
.comment-item{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:1rem;margin-bottom:.5rem}
.comment-header{display:flex;align-items:center;gap:.5rem;margin-bottom:.5rem;flex-wrap:wrap}
.comment-avatar{width:26px;height:26px;border-radius:50%;background:var(--blue);display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:700;color:#fff;flex-shrink:0}
.comment-author{font-size:13px;font-weight:600;color:var(--text)}
.comment-role{font-size:11px;padding:1px 7px;border-radius:10px;background:var(--blue-bg);color:var(--blue);font-weight:600}
.comment-time{font-size:12px;color:var(--text-3);margin-left:auto}
.comment-content{font-size:14px;color:var(--text-2);line-height:1.65}
.comment-actions{display:flex;gap:.35rem;margin-top:.5rem}

/* ===== NEW POST FORM ===== */
.new-post-form{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:1.5rem;margin-top:1rem}
.form-field{margin-bottom:1rem}
.form-field label{display:block;font-size:13px;font-weight:600;color:var(--text-2);margin-bottom:5px}
.form-field input,.form-field select,.form-field textarea{width:100%;background:var(--bg-2);border:1px solid var(--border);border-radius:var(--radius);padding:10px 12px;font-size:14px;color:var(--text);outline:none;transition:border-color .2s;font-family:inherit}
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{border-color:var(--blue)}
.form-field select option{background:var(--card);color:var(--text)}
.form-field textarea{resize:vertical;min-height:160px}
.char-count{font-size:12px;color:var(--text-3);text-align:right;margin-top:4px}
.submit-bar{display:flex;gap:.75rem;justify-content:flex-end;margin-top:1rem}
.btn-cancel{display:inline-flex;align-items:center;gap:6px;background:transparent;border:1px solid var(--border);color:var(--text-2);padding:9px 20px;border-radius:var(--radius);font-size:14px;font-weight:600;transition:all .2s;text-decoration:none}
.btn-cancel:hover{border-color:var(--text-2);color:var(--text)}
.btn-post{background:var(--blue);color:#fff;border:none;padding:9px 24px;border-radius:var(--radius);font-size:14px;font-weight:600;transition:background .2s}
.btn-post:hover{background:#1d4ed8}

/* ===== ROLE BADGES ===== */
.role-installateur{background:rgba(22,163,74,.1);color:#16a34a}
.role-firma{background:rgba(37,99,235,.1);color:#2563eb}
.role-hersteller{background:rgba(234,179,8,.1);color:#ca8a04}
.role-lieferant{background:rgba(139,92,246,.1);color:#7c3aed}
.verified-badge{color:#2563eb;font-size:14px}

/* ===== EMPTY STATE ===== */
.empty-state{text-align:center;padding:4rem 2rem;color:var(--text-3)}
.empty-state i{font-size:3rem;margin-bottom:1rem;display:block}
.empty-state h3{font-size:1.1rem;color:var(--text-2);margin-bottom:.5rem}
.empty-state p{font-size:14px}

/* ===== ALERTS ===== */
.alert{padding:12px 16px;border-radius:var(--radius);margin-bottom:1rem;font-size:14px}
.alert-error{background:rgba(220,38,38,.1);border:1px solid rgba(220,38,38,.3);color:#dc2626}
.alert-success{background:rgba(22,163,74,.1);border:1px solid rgba(22,163,74,.3);color:#16a34a}

/* ===== RESPONSIVE ===== */
@media(max-width:1200px){.right-nav{display:none}.main-wrap{margin-right:0}}
@media(max-width:768px){
    .left-nav{display:none}
    .main-wrap{margin-left:0}
    .tnav-logo{width:auto}
}