/* ══════════════════════════════════════════════════════════
   ExpertOps — Design System v2
   Community Edition with Messaging
   ══════════════════════════════════════════════════════════ */

:root {
    --void:#0A0A0A; --surface:#121212; --raised:#1A1A1A; --hover:#222222;
    --border:#2A2A2A; --border-2:#333;
    --accent:#00E5FF; --accent-10:rgba(0,229,255,.1); --accent-15:rgba(0,229,255,.15);
    --accent-20:rgba(0,229,255,.2); --accent-30:rgba(0,229,255,.3);
    --lead:#FF6B35; --lead-10:rgba(255,107,53,.1);
    --tech:#A855F7; --tech-10:rgba(168,85,247,.1);
    --general:#6EE7B7; --general-10:rgba(110,231,183,.1);
    --success:#22C55E; --warning:#FACC15; --danger:#EF4444;
    --pink:#F472B6; --pink-10:rgba(244,114,182,.1);
    --text-1:#F0F0F0; --text-2:#9CA3AF; --text-3:#6B7280;
    --radius:12px; --radius-lg:16px; --radius-xl:20px;
    --font-display:'Cabinet Grotesk','Satoshi',system-ui,sans-serif;
    --font-body:'Satoshi','General Sans',system-ui,sans-serif;
    --font-mono:'JetBrains Mono','Fira Code',monospace;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font-body);background:var(--surface);color:var(--text-1);-webkit-font-smoothing:antialiased;line-height:1.6;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
button{cursor:pointer;font:inherit}
input,textarea,select{font:inherit}

body::before{content:'';position:fixed;inset:0;pointer-events:none;z-index:9999;opacity:.018;background:url("data:image/svg+xml,%3Csvg viewBox='0 0 512 512' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E")}

::-webkit-scrollbar{width:5px}
::-webkit-scrollbar-track{background:var(--surface)}
::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}

.grid-bg{background-image:url("data:image/svg+xml,%3Csvg width='60' height='60' xmlns='http://www.w3.org/2000/svg'%3E%3Cdefs%3E%3Cpattern id='g' width='60' height='60' patternUnits='userSpaceOnUse'%3E%3Cpath d='M 60 0 L 0 0 0 60' fill='none' stroke='%23ffffff' stroke-width='.3' opacity='.035'/%3E%3C/pattern%3E%3C/defs%3E%3Crect width='100%25' height='100%25' fill='url(%23g)'/%3E%3C/svg%3E")}

/* ── Animations ───────────────────────────────────────── */
@keyframes fadeUp{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:translateY(0)}}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes slideUp{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}
@keyframes pulse-dot{0%,100%{opacity:1}50%{opacity:.4}}
@keyframes marquee{from{transform:translateX(0)}to{transform:translateX(-50%)}}
@keyframes shimmer{from{background-position:-200% 0}to{background-position:200% 0}}
@keyframes typing{0%{opacity:.3}50%{opacity:1}100%{opacity:.3}}

.anim-up{animation:fadeUp .6s ease-out both}
.anim-in{animation:fadeIn .5s ease-out both}
.anim-slide{animation:slideUp .4s ease-out both}
.delay-1{animation-delay:.1s}.delay-2{animation-delay:.2s}.delay-3{animation-delay:.3s}
.delay-4{animation-delay:.4s}.delay-5{animation-delay:.5s}.delay-6{animation-delay:.6s}

.font-display{font-family:var(--font-display)}.font-mono{font-family:var(--font-mono)}
.gradient-text{background:linear-gradient(135deg,var(--accent) 0%,var(--tech) 50%,var(--lead) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}

/* ── Layout ───────────────────────────────────────────── */
.app-shell{display:flex;min-height:100vh}
.sidebar{position:fixed;top:0;left:0;bottom:0;width:260px;background:var(--void);border-right:1px solid var(--border);display:flex;flex-direction:column;z-index:40;transition:transform .3s ease}
.main-content{flex:1;margin-left:260px;min-height:100vh}
.topbar{position:sticky;top:0;z-index:30;height:64px;display:flex;align-items:center;justify-content:space-between;padding:0 28px;background:rgba(18,18,18,.85);backdrop-filter:blur(16px) saturate(180%);border-bottom:1px solid var(--border)}
.page-content{padding:28px;max-width:900px;margin:0 auto}

/* ── Sidebar ──────────────────────────────────────────── */
.sidebar-logo{height:64px;display:flex;align-items:center;gap:10px;padding:0 20px;border-bottom:1px solid var(--border)}
.sidebar-logo-icon{width:36px;height:36px;border-radius:10px;background:var(--accent-10);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.sidebar-nav{flex:1;padding:16px 12px;display:flex;flex-direction:column;gap:4px;overflow-y:auto}
.nav-link{display:flex;align-items:center;gap:12px;padding:10px 14px;border-radius:var(--radius);font-size:14px;font-weight:500;color:var(--text-2);transition:all .15s ease;position:relative}
.nav-link:hover{background:var(--hover);color:var(--text-1)}
.nav-link.active{background:var(--accent-10);color:var(--accent);font-weight:600}
.nav-link svg{width:20px;height:20px;flex-shrink:0}
.nav-badge{position:absolute;right:12px;min-width:20px;height:20px;padding:0 6px;border-radius:10px;background:var(--accent);color:var(--void);font-size:10px;font-weight:800;display:flex;align-items:center;justify-content:center}
.sidebar-user{padding:12px;border-top:1px solid var(--border)}
.sidebar-user-inner{display:flex;align-items:center;gap:10px;padding:10px 14px;border-radius:var(--radius)}
.sidebar-section{padding:4px 14px;margin-top:12px;font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--text-3)}

/* ── Avatar ───────────────────────────────────────────── */
.avatar{width:34px;height:34px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;border:2px solid var(--border);flex-shrink:0;position:relative}
.avatar.sm{width:28px;height:28px;font-size:10px}
.avatar.lg{width:44px;height:44px;font-size:15px}
.avatar.xl{width:56px;height:56px;font-size:18px}
.avatar.xxl{width:72px;height:72px;font-size:24px}
.online-dot{position:absolute;bottom:0;right:0;width:10px;height:10px;border-radius:50%;background:var(--success);border:2px solid var(--void)}
.online-dot.sm{width:8px;height:8px}
.avatar-stack{display:flex}.avatar-stack .avatar{margin-left:-6px;border-color:var(--surface)}.avatar-stack .avatar:first-child{margin-left:0}

/* ── Cards ────────────────────────────────────────────── */
.card{background:var(--raised);border:1px solid var(--border);border-radius:var(--radius-lg);transition:border-color .2s,box-shadow .2s,transform .2s}
.card:hover{border-color:var(--accent-15);box-shadow:0 0 24px rgba(0,229,255,.06)}
.card-lift:hover{transform:translateY(-3px)}

/* ── Buttons ──────────────────────────────────────────── */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 22px;border-radius:var(--radius);font-size:14px;font-weight:700;border:none;transition:all .2s ease;white-space:nowrap}
.btn-accent{background:var(--accent);color:var(--void)}
.btn-accent:hover{box-shadow:0 0 30px rgba(0,229,255,.25);filter:brightness(1.1)}
.btn-ghost{background:transparent;color:var(--text-2);border:1px solid var(--border)}
.btn-ghost:hover{background:var(--hover);color:var(--text-1);border-color:var(--accent-20)}
.btn-sm{padding:7px 16px;font-size:13px}
.btn-lg{padding:14px 32px;font-size:15px;border-radius:14px}
.btn-danger{background:rgba(239,68,68,.1);color:var(--danger);border:1px solid rgba(239,68,68,.2)}

/* ── Badges ───────────────────────────────────────────── */
.badge{display:inline-flex;align-items:center;padding:3px 10px;border-radius:8px;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.06em}
.badge-lead{background:var(--lead-10);color:var(--lead)}
.badge-tech{background:var(--tech-10);color:var(--tech)}
.badge-general{background:var(--general-10);color:var(--general)}
.badge-accent{background:var(--accent-10);color:var(--accent)}
.badge-pink{background:var(--pink-10);color:var(--pink)}

/* ── Filter Pills ─────────────────────────────────────── */
.filter-bar{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.filter-pill{display:flex;align-items:center;gap:6px;padding:8px 16px;border-radius:var(--radius);font-size:13px;font-weight:600;border:1px solid var(--border);background:var(--raised);color:var(--text-2);cursor:pointer;transition:all .2s;white-space:nowrap}
.filter-pill:hover{color:var(--text-1);background:var(--hover)}
.filter-pill.active{border-color:var(--accent-30);background:var(--accent-10);color:var(--accent);box-shadow:0 0 16px rgba(0,229,255,.08)}
.filter-pill.active[data-filter="lead"]{border-color:rgba(255,107,53,.3);background:var(--lead-10);color:var(--lead)}
.filter-pill.active[data-filter="tech_stack"]{border-color:rgba(168,85,247,.3);background:var(--tech-10);color:var(--tech)}
.filter-pill.active[data-filter="general"]{border-color:rgba(110,231,183,.3);background:var(--general-10);color:var(--general)}
.filter-count{min-width:18px;height:18px;padding:0 5px;border-radius:6px;font-size:10px;font-weight:800;background:var(--border);color:var(--text-3);display:inline-flex;align-items:center;justify-content:center}
.filter-pill.active .filter-count{background:rgba(255,255,255,.15);color:inherit}

/* ── Search ───────────────────────────────────────────── */
.search-wrap{position:relative}
.search-wrap svg{position:absolute;left:14px;top:50%;transform:translateY(-50%);width:16px;height:16px;color:var(--text-3);pointer-events:none}
.search-input{width:100%;padding:10px 16px 10px 42px;border-radius:var(--radius);border:1px solid var(--border);background:var(--raised);color:var(--text-1);font-size:14px;transition:border-color .2s,box-shadow .2s;outline:none}
.search-input::placeholder{color:var(--text-3)}
.search-input:focus{border-color:var(--accent-30);box-shadow:0 0 0 3px rgba(0,229,255,.08)}

/* ── Post Card ────────────────────────────────────────── */
.post-card{padding:24px;position:relative;overflow:hidden}
.post-card .pinned-ribbon{position:absolute;top:12px;right:-32px;transform:rotate(45deg);background:rgba(0,229,255,.9);padding:2px 40px;font-size:9px;font-weight:800;text-transform:uppercase;letter-spacing:.1em;color:var(--void)}
.post-meta{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:12px;color:var(--text-3);margin-bottom:10px}
.post-meta .author{font-weight:600;color:var(--text-2)}
.post-title{font-family:var(--font-display);font-size:16px;font-weight:800;color:var(--text-1);margin-bottom:6px;line-height:1.4;transition:color .2s}
.card:hover .post-title{color:var(--accent)}
.post-body{font-size:14px;color:var(--text-2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-body-full{font-size:14px;color:var(--text-2);line-height:1.8}
.post-body-full p{margin-bottom:12px}
.post-body-full p:last-child{margin-bottom:0}
.post-actions{display:flex;align-items:center;gap:20px;margin-top:16px;font-size:12px;color:var(--text-3)}
.post-actions button,.post-actions a,.post-actions span{display:flex;align-items:center;gap:5px;background:none;border:none;color:var(--text-3);font-size:12px;transition:color .15s;padding:0}
.post-actions button:hover,.post-actions a:hover{color:var(--accent)}
.post-actions svg{width:16px;height:16px}

/* ── Comments ─────────────────────────────────────────── */
.comment-section{border-top:1px solid var(--border);margin-top:24px;padding-top:24px}
.comment{display:flex;gap:12px;padding:16px 0;border-bottom:1px solid rgba(42,42,42,.5)}
.comment:last-child{border-bottom:none}
.comment-body{font-size:13px;color:var(--text-2);line-height:1.6;margin-top:4px}
.comment-form{display:flex;gap:12px;margin-top:16px}
.comment-input{flex:1;padding:12px 16px;border-radius:var(--radius);border:1px solid var(--border);background:var(--surface);color:var(--text-1);font-size:13px;outline:none;resize:none;min-height:44px;transition:border-color .2s}
.comment-input:focus{border-color:var(--accent-30)}

/* ── Stats ────────────────────────────────────────────── */
.stats-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px}
.stat-card{padding:20px;position:relative;overflow:hidden}
.stat-label{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.1em;color:var(--text-3)}
.stat-value{font-family:var(--font-display);font-size:28px;font-weight:900;color:var(--text-1);margin-top:4px}
.stat-delta{font-size:11px;margin-top:2px}
.stat-glow{position:absolute;top:-16px;right:-16px;width:64px;height:64px;border-radius:50%;filter:blur(24px);transition:opacity .3s;opacity:.5}
.card:hover .stat-glow{opacity:.8}

/* ── Activity Bar ─────────────────────────────────────── */
.activity-bar{display:flex;align-items:center;gap:12px;padding:14px 20px;border-radius:var(--radius-lg);background:rgba(26,26,26,.5);border:1px solid var(--border)}
.live-dot{width:6px;height:6px;border-radius:50%;background:var(--success);animation:pulse-dot 2s ease-in-out infinite}

/* ── Messaging ────────────────────────────────────────── */
.messages-layout{display:grid;grid-template-columns:320px 1fr;gap:0;height:calc(100vh - 64px);margin:-28px;overflow:hidden}
.conv-list{border-right:1px solid var(--border);overflow-y:auto;background:var(--void)}
.conv-list-header{padding:20px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between}
.conv-item{display:flex;align-items:center;gap:12px;padding:16px 20px;border-bottom:1px solid rgba(42,42,42,.4);cursor:pointer;transition:background .15s}
.conv-item:hover{background:var(--hover)}
.conv-item.active{background:var(--accent-10);border-left:3px solid var(--accent)}
.conv-item .conv-preview{font-size:12px;color:var(--text-3);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:180px}
.conv-item .conv-time{font-size:10px;color:var(--text-3);white-space:nowrap}
.conv-unread{min-width:18px;height:18px;padding:0 5px;border-radius:9px;background:var(--accent);color:var(--void);font-size:10px;font-weight:800;display:flex;align-items:center;justify-content:center}

.chat-area{display:flex;flex-direction:column;height:100%;background:var(--surface)}
.chat-header{padding:16px 24px;border-bottom:1px solid var(--border);display:flex;align-items:center;gap:12px;background:rgba(18,18,18,.85);backdrop-filter:blur(16px)}
.chat-messages{flex:1;overflow-y:auto;padding:24px;display:flex;flex-direction:column;gap:4px}
.chat-composer{padding:16px 24px;border-top:1px solid var(--border);display:flex;gap:12px;align-items:flex-end;background:var(--raised)}
.chat-input{flex:1;padding:12px 16px;border-radius:var(--radius);border:1px solid var(--border);background:var(--surface);color:var(--text-1);font-size:14px;outline:none;resize:none;max-height:120px;min-height:44px;transition:border-color .2s}
.chat-input:focus{border-color:var(--accent-30)}

.message-bubble{max-width:70%;padding:12px 16px;border-radius:16px;font-size:14px;line-height:1.5;animation:slideUp .2s ease}
.message-bubble.sent{background:var(--accent-15);color:var(--text-1);border-bottom-right-radius:4px;align-self:flex-end}
.message-bubble.received{background:var(--raised);color:var(--text-1);border:1px solid var(--border);border-bottom-left-radius:4px;align-self:flex-start}
.message-time{font-size:10px;color:var(--text-3);margin-top:4px;padding:0 4px}
.message-time.sent{text-align:right}
.message-group-label{text-align:center;font-size:11px;color:var(--text-3);padding:12px 0;font-weight:600}
.message-sender{font-size:11px;font-weight:600;color:var(--text-2);padding:0 4px;margin-bottom:2px}

/* ── Member Card (enhanced) ───────────────────────────── */
.member-card{padding:24px;text-align:center;position:relative}
.member-card .avatar{margin:0 auto 14px}
.member-card .dm-btn{position:absolute;top:12px;right:12px;width:32px;height:32px;border-radius:50%;background:var(--accent-10);border:1px solid var(--accent-20);display:flex;align-items:center;justify-content:center;color:var(--accent);opacity:0;transition:opacity .2s}
.card:hover .dm-btn{opacity:1}
.member-card .dm-btn:hover{background:var(--accent-20)}

/* ── Resource Card ────────────────────────────────────── */
.resource-card{padding:24px;display:flex;flex-direction:column;gap:12px}
.resource-icon{width:44px;height:44px;border-radius:var(--radius);display:flex;align-items:center;justify-content:center}
.resource-card h3{font-family:var(--font-display);font-size:15px;font-weight:800;transition:color .2s}
.card:hover .resource-card h3{color:var(--accent)}

/* ── Modal ────────────────────────────────────────────── */
.modal-backdrop{position:fixed;inset:0;background:rgba(0,0,0,.7);backdrop-filter:blur(8px);z-index:50;display:flex;align-items:center;justify-content:center;padding:16px;animation:fadeIn .2s ease}
.modal-backdrop.hidden{display:none}
.modal{width:100%;max-width:520px;background:var(--raised);border:1px solid var(--border);border-radius:var(--radius-xl);box-shadow:0 32px 64px rgba(0,0,0,.4);animation:slideUp .3s ease}
.modal-header{display:flex;align-items:center;justify-content:space-between;padding:20px 24px;border-bottom:1px solid var(--border)}
.modal-header h2{font-family:var(--font-display);font-size:18px;font-weight:800}
.modal-body{padding:24px}
.modal-footer{display:flex;align-items:center;justify-content:flex-end;gap:10px;padding:16px 24px;border-top:1px solid var(--border)}

/* ── Forms ────────────────────────────────────────────── */
.form-group{margin-bottom:20px}
.form-label{display:block;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--text-3);margin-bottom:8px}
.form-input{width:100%;padding:12px 16px;border-radius:var(--radius);border:1px solid var(--border);background:var(--surface);color:var(--text-1);font-size:14px;outline:none;transition:border-color .2s,box-shadow .2s}
.form-input:focus{border-color:var(--accent-30);box-shadow:0 0 0 3px rgba(0,229,255,.08)}
.form-input::placeholder{color:var(--text-3)}
textarea.form-input{resize:vertical;min-height:100px}

/* ── Alerts ───────────────────────────────────────────── */
.alert{padding:14px 20px;border-radius:var(--radius);font-size:14px;margin-bottom:20px;border:1px solid}
.alert-success{background:rgba(34,197,94,.08);border-color:rgba(34,197,94,.2);color:var(--success)}
.alert-warning{background:rgba(250,204,21,.08);border-color:rgba(250,204,21,.2);color:var(--warning)}
.alert-danger{background:rgba(239,68,68,.08);border-color:rgba(239,68,68,.2);color:var(--danger)}

/* ── Pricing ──────────────────────────────────────────── */
.gradient-border-wrap{background:linear-gradient(135deg,var(--accent),var(--tech),var(--lead));padding:1px;border-radius:var(--radius-lg)}
.gradient-border-wrap>div{background:var(--raised);border-radius:calc(var(--radius-lg) - 1px)}
.pricing-feature{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--text-2);padding:6px 0}
.pricing-feature svg{width:16px;height:16px;flex-shrink:0;margin-top:2px}

/* ── Marquee ──────────────────────────────────────────── */
.marquee-wrap{overflow:hidden;border-top:1px solid var(--border);border-bottom:1px solid var(--border);padding:18px 0;background:var(--surface)}
.marquee-track{display:flex;width:max-content;animation:marquee 45s linear infinite}
.marquee-track:hover{animation-play-state:paused}

/* ── Community Pulse (sidebar widget) ─────────────────── */
.pulse-widget{margin:12px;padding:16px;border-radius:var(--radius);background:var(--raised);border:1px solid var(--border)}
.pulse-item{display:flex;align-items:center;gap:8px;padding:6px 0;font-size:12px;color:var(--text-2)}
.pulse-item .pulse-dot{width:4px;height:4px;border-radius:50%;flex-shrink:0}

/* ── Utilities ────────────────────────────────────────── */
.flex{display:flex}.flex-col{flex-direction:column}.items-center{align-items:center}
.items-start{align-items:flex-start}.justify-between{justify-content:space-between}
.justify-center{justify-content:center}.flex-wrap{flex-wrap:wrap}
.gap-1{gap:4px}.gap-2{gap:8px}.gap-3{gap:12px}.gap-4{gap:16px}
.gap-5{gap:20px}.gap-6{gap:24px}.gap-8{gap:32px}
.mt-1{margin-top:4px}.mt-2{margin-top:8px}.mt-4{margin-top:16px}
.mt-6{margin-top:24px}.mt-8{margin-top:32px}
.mb-2{margin-bottom:8px}.mb-4{margin-bottom:16px}.mb-6{margin-bottom:24px}.mb-8{margin-bottom:32px}
.ml-auto{margin-left:auto}.mr-auto{margin-right:auto}
.text-center{text-align:center}.text-right{text-align:right}
.text-sm{font-size:14px}.text-xs{font-size:12px}.text-2xs{font-size:11px}
.text-1{color:var(--text-1)}.text-2{color:var(--text-2)}.text-3{color:var(--text-3)}
.font-bold{font-weight:700}.font-black{font-weight:900}
.truncate{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.w-full{width:100%}.hidden{display:none!important}

.mobile-toggle{display:none;background:none;border:none;color:var(--text-2);padding:8px}

@media(max-width:768px){
    .sidebar{transform:translateX(-100%)}
    .sidebar.open{transform:translateX(0)}
    .main-content{margin-left:0}
    .mobile-toggle{display:flex}
    .page-content{padding:16px}
    .stats-grid{grid-template-columns:repeat(2,1fr)}
    .topbar{padding:0 16px}
    .filter-bar{overflow-x:auto;flex-wrap:nowrap;padding-bottom:4px}
    .hide-mobile{display:none!important}
    .messages-layout{grid-template-columns:1fr}
    .conv-list{display:none}
    .conv-list.show-mobile{display:block}
}