/* tox.gr — style.css v4.0 */
:root{--bg:#F7F7FA;--bg-elevated:#FFFFFF;--sidebar-bg:#EFEFF5;--input-bg:#E8E8F0;--border:rgba(0,0,0,0.07);--text:#18181E;--text-muted:#6B6B80;--text-subtle:#A0A0B8;--accent:#5B5BD6;--accent-soft:rgba(91,91,214,0.10);--user-color:#2563EB;--agent-color:#7C3AED;--danger:#DC2626;--success:#16A34A;--online:#22C55E;--gradient:linear-gradient(135deg,#5B5BD6,#9333EA);--shadow-sm:0 1px 4px rgba(0,0,0,0.06);--shadow-md:0 8px 32px rgba(0,0,0,0.10);--shadow-lg:0 20px 60px rgba(0,0,0,0.14);--radius-sm:8px;--radius-md:14px;--radius-lg:22px;--radius-pill:999px;--ease:cubic-bezier(0.4,0,0.2,1);--btm-bar:60px}
[data-theme="dark"]{--bg:#0D0D11;--bg-elevated:#16161C;--sidebar-bg:#111117;--input-bg:#1E1E28;--border:rgba(255,255,255,0.06);--text:#E2E2EF;--text-muted:#7070A0;--text-subtle:#45455A;--accent:#8280F0;--accent-soft:rgba(130,128,240,0.12);--user-color:#7BAFF8;--agent-color:#B07EF8;--gradient:linear-gradient(135deg,#8280F0,#C084FC);--shadow-sm:0 1px 4px rgba(0,0,0,0.3);--shadow-md:0 8px 32px rgba(0,0,0,0.4);--shadow-lg:0 20px 60px rgba(0,0,0,0.5)}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%;font-family:'Outfit',system-ui,-apple-system,sans-serif;font-size:15px;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased}
button{font-family:inherit;cursor:pointer}input,textarea,select{font-family:inherit}
.hidden{display:none !important}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes slideUp{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}
@keyframes scaleIn{from{opacity:0;transform:scale(0.96)}to{opacity:1;transform:scale(1)}}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:0.4}}
@keyframes slideInUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}

/* ── AUTH MODAL ── */
.overlay{position:fixed;inset:0;background:rgba(10,10,18,0.65);backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);display:flex;align-items:center;justify-content:center;z-index:1000;padding:20px;animation:fadeIn 0.2s var(--ease)}
.modal-card{position:relative;width:100%;max-width:400px;background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius-lg);padding:44px 40px 36px;box-shadow:var(--shadow-lg);display:flex;flex-direction:column;gap:16px;animation:scaleIn 0.22s var(--ease)}
.modal-close-btn{position:absolute;top:16px;right:16px;background:var(--input-bg);border:none;color:var(--text-muted);width:32px;height:32px;border-radius:50%;display:flex;align-items:center;justify-content:center;transition:background 0.15s}
.modal-close-btn:hover{background:var(--border);color:var(--text)}
.modal-card-brand{font-size:26px;font-weight:700;letter-spacing:3px;text-align:center;background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.modal-card-subtitle{font-size:12px;color:var(--text-subtle);text-align:center;margin-top:-8px}
.modal-card h2{font-size:19px;font-weight:600;text-align:center}
.auth-fields{display:flex;flex-direction:column;gap:11px}
.auth-fields input{width:100%;padding:12px 16px;border:1.5px solid var(--border);border-radius:var(--radius-sm);background:var(--bg);color:var(--text);font-size:15px;outline:none;transition:border-color 0.18s,box-shadow 0.18s}
.auth-fields input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.auth-fields input::placeholder{color:var(--text-subtle)}
.auth-error{font-size:13px;text-align:center;padding:8px 14px;border-radius:var(--radius-sm)}
#auth-submit-btn{width:100%;padding:12px;background:var(--gradient);color:#fff;border:none;border-radius:var(--radius-sm);font-size:15px;font-weight:600;transition:opacity 0.18s,transform 0.15s}
#auth-submit-btn:hover{opacity:0.88;transform:translateY(-1px)}
#auth-submit-btn:disabled{opacity:0.45;cursor:not-allowed;transform:none}
.toggle-text{font-size:13px;color:var(--text-muted);text-align:center}
#toggle-auth-link{color:var(--accent);cursor:pointer;font-weight:500}
.skip-note{font-size:12px;color:var(--text-subtle);text-align:center}
#skip-auth-link{color:var(--text-muted);cursor:pointer;text-decoration:underline;text-underline-offset:2px}
.auth-link-inline{color:var(--accent);cursor:pointer;font-weight:500}
.auth-link-inline:hover{text-decoration:underline}

/* ── APP LAYOUT ── */
.app-layout{display:flex;width:100vw;height:100vh;overflow:hidden}

/* ── SIDEBAR ── */
.sidebar{width:220px;min-width:220px;background:var(--sidebar-bg);border-right:1px solid var(--border);display:flex;flex-direction:column;justify-content:space-between;padding:20px 12px;overflow:hidden}
.sidebar-top{display:flex;flex-direction:column;gap:10px;flex:1;overflow:hidden}
.sidebar-brand-row{display:flex;align-items:center;gap:8px;padding:2px 4px}
.sidebar-brand{font-size:19px;font-weight:700;letter-spacing:2px;background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.info-icon{width:16px;height:16px;min-width:16px;background:var(--input-bg);color:var(--text-muted);border-radius:50%;font-size:10px;font-style:italic;font-family:Georgia,serif;display:flex;align-items:center;justify-content:center;cursor:help;position:relative}
.info-icon:hover::after{content:attr(data-tooltip);position:absolute;left:22px;top:-4px;width:180px;background:#1E1E2E;color:#E2E2EF;font-family:'Outfit',sans-serif;font-style:normal;font-size:12px;line-height:1.5;padding:8px 12px;border-radius:var(--radius-sm);box-shadow:var(--shadow-md);z-index:200;font-weight:400;pointer-events:none}
.account-badge{display:flex;align-items:center;gap:8px;background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius-sm);padding:8px 10px}
.account-avatar{width:28px;height:28px;min-width:28px;background:var(--gradient);border-radius:50%;display:flex;align-items:center;justify-content:center;color:#fff;font-size:13px;font-weight:600;overflow:hidden}
.account-avatar img{width:100%;height:100%;object-fit:cover}
.clickable-avatar{cursor:pointer;transition:opacity 0.15s}
.clickable-avatar:hover{opacity:0.8}
.account-name{font-size:13px;font-weight:500;color:var(--text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1}
.logout-btn{background:transparent;border:none;color:var(--text-subtle);display:flex;align-items:center;padding:4px;border-radius:4px;transition:color 0.15s}
.logout-btn:hover{color:var(--danger)}
.guest-badge{display:flex;align-items:center;justify-content:space-between;background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius-sm);padding:8px 10px;gap:8px}
.guest-label{font-size:13px;color:var(--text-muted)}
.signin-pill{background:var(--gradient);color:#fff;border:none;border-radius:var(--radius-pill);padding:5px 12px;font-size:12px;font-weight:600;transition:opacity 0.15s}
.signin-pill:hover{opacity:0.88}
.sidebar-hera-section{display:flex;align-items:center;gap:10px;padding:10px;background:var(--accent-soft);border:1px solid var(--border);border-radius:var(--radius-sm);transition:background 0.15s}
.sidebar-hera-section:hover{background:var(--accent-soft);opacity:0.85}
.sidebar-hera-orb{width:30px;height:30px;min-width:30px;border-radius:50%;background:var(--gradient);display:flex;align-items:center;justify-content:center;color:#fff;font-size:13px;font-weight:700;box-shadow:0 4px 12px rgba(91,91,214,0.25)}
.sidebar-hera-info{display:flex;flex-direction:column}
.sidebar-hera-name{font-size:13px;font-weight:700;background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.sidebar-hera-sub{font-size:10px;color:var(--text-subtle)}
.sessions-list{display:flex;flex-direction:column;gap:2px;overflow-y:auto;flex:1;min-height:0}
.sessions-list::-webkit-scrollbar{width:3px}
.sessions-list::-webkit-scrollbar-thumb{background:var(--border);border-radius:var(--radius-pill)}
.sessions-note{font-size:12px;color:var(--text-subtle);padding:8px 4px;line-height:1.5}
.session-item{width:100%;padding:7px 10px;text-align:left;background:transparent;border:none;border-radius:var(--radius-sm);font-size:12px;color:var(--text-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;transition:background 0.15s,color 0.15s}
.session-item:hover{background:var(--input-bg);color:var(--text)}
.session-item.active-session{background:var(--accent-soft);color:var(--accent);font-weight:500}
.sidebar-footer-area{display:flex;flex-direction:column;gap:8px;padding-top:12px;border-top:1px solid var(--border)}
.theme-btn{display:flex;align-items:center;gap:8px;width:100%;padding:8px 10px;background:transparent;border:none;border-radius:var(--radius-sm);color:var(--text-muted);font-size:13px;transition:background 0.15s}
.theme-btn:hover{background:var(--input-bg);color:var(--text)}
.sidebar-version{font-size:11px;color:var(--text-subtle);text-align:center;font-weight:600;letter-spacing:1px}

/* ── MAIN AREA ── */
.chat-main{flex:1;display:flex;flex-direction:column;overflow:hidden;position:relative}

/* ── DESKTOP TABS ── */
.main-tabs{display:flex;gap:2px;padding:10px 12px 0;background:var(--bg);border-bottom:1px solid var(--border);flex-shrink:0}
.tab-btn{display:flex;align-items:center;gap:6px;padding:8px 14px;border:none;background:transparent;color:var(--text-muted);font-size:13px;font-weight:500;border-radius:var(--radius-sm) var(--radius-sm) 0 0;cursor:pointer;transition:color 0.15s,background 0.15s;border-bottom:2px solid transparent;margin-bottom:-1px;position:relative}
.tab-btn:hover{color:var(--text);background:var(--input-bg)}
.tab-btn.active{color:var(--accent);border-bottom-color:var(--accent);background:var(--accent-soft)}
.tab-badge{background:var(--danger);color:#fff;border-radius:var(--radius-pill);font-size:10px;font-weight:700;padding:1px 6px;min-width:18px;text-align:center;margin-left:2px}

/* ── TAB SECTIONS ── */
.tab-section{flex:1;display:flex;flex-direction:column;overflow:hidden;animation:fadeIn 0.2s var(--ease)}

/* ── FEED ── */
.feed-scroll-area{flex:1;overflow-y:auto;-webkit-overflow-scrolling:touch;padding:16px;display:flex;flex-direction:column;gap:14px;max-width:620px;width:100%;margin:0 auto}
.feed-scroll-area::-webkit-scrollbar{width:4px}
.feed-scroll-area::-webkit-scrollbar-thumb{background:var(--border);border-radius:var(--radius-pill)}
.create-post-card{background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius-md);padding:16px;display:flex;flex-direction:column;gap:12px;box-shadow:var(--shadow-sm)}
.create-post-header{display:flex;align-items:center;gap:10px}
.post-type-select{flex:1;padding:6px 10px;border:1.5px solid var(--border);border-radius:var(--radius-pill);background:var(--bg);color:var(--text);font-size:12px;font-weight:500;outline:none;cursor:pointer}
.post-textarea{width:100%;padding:10px 12px;border:1.5px solid var(--border);border-radius:var(--radius-md);background:var(--bg);color:var(--text);font-size:14px;line-height:1.6;resize:none;outline:none;transition:border-color 0.15s;min-height:60px}
.post-textarea:focus{border-color:var(--accent)}
.post-textarea::placeholder{color:var(--text-subtle)}
.post-media-preview{position:relative;border-radius:var(--radius-sm);overflow:hidden;max-height:200px}
.post-media-preview img{width:100%;object-fit:cover;display:block}
.clear-media-btn{position:absolute;top:8px;right:8px;background:rgba(0,0,0,0.6);border:none;color:#fff;width:26px;height:26px;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer;font-size:12px}
.create-post-footer{display:flex;align-items:center;gap:10px}
.media-btn{display:flex;align-items:center;color:var(--text-muted);cursor:pointer;padding:7px;border-radius:var(--radius-sm);transition:color 0.15s,background 0.15s}
.media-btn:hover{color:var(--accent);background:var(--accent-soft)}
.post-limit-info{flex:1;font-size:11px;color:var(--text-subtle);text-align:center}
.publish-btn{background:var(--gradient);color:#fff;border:none;border-radius:var(--radius-pill);padding:8px 20px;font-size:13px;font-weight:600;transition:opacity 0.15s}
.publish-btn:hover{opacity:0.88}
.publish-btn:disabled{opacity:0.4;cursor:not-allowed}
.post-card{background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius-md);padding:16px;display:flex;flex-direction:column;gap:12px;box-shadow:var(--shadow-sm);animation:slideUp 0.2s var(--ease)}
.post-header{display:flex;align-items:center;gap:10px}
.post-avatar{width:36px;height:36px;min-width:36px;border-radius:50%;background:var(--gradient);display:flex;align-items:center;justify-content:center;color:#fff;font-size:14px;font-weight:600;cursor:pointer;overflow:hidden;position:relative}
.post-avatar img{width:100%;height:100%;object-fit:cover}
.online-dot{position:absolute;bottom:0;right:0;width:10px;height:10px;background:var(--online);border-radius:50%;border:2px solid var(--bg-elevated)}
.post-meta{flex:1;min-width:0}
.post-username{font-size:13px;font-weight:600;color:var(--text)}
.post-time{font-size:11px;color:var(--text-subtle)}
.post-type-badge{font-size:11px;font-weight:500;padding:3px 9px;border-radius:var(--radius-pill)}
.badge-public{background:rgba(22,163,74,0.10);color:var(--success)}
.badge-friends{background:var(--accent-soft);color:var(--accent)}
.post-content{font-size:14px;line-height:1.65;color:var(--text);white-space:pre-wrap;word-break:break-word}
.post-media{border-radius:var(--radius-sm);overflow:hidden;cursor:pointer}
.post-media img{width:100%;display:block;transition:opacity 0.15s}
.post-media img:hover{opacity:0.9}
.post-footer{display:flex;align-items:center;gap:4px;padding-top:8px;border-top:1px solid var(--border)}
.post-action-btn{display:flex;align-items:center;gap:5px;background:transparent;border:none;color:var(--text-muted);font-size:12px;font-weight:500;padding:6px 10px;border-radius:var(--radius-sm);transition:color 0.15s,background 0.15s;cursor:pointer}
.post-action-btn:hover{color:var(--accent);background:var(--accent-soft)}
.post-action-btn.liked{color:var(--danger)}
.post-comments{display:flex;flex-direction:column;gap:8px}
.comment-input-row{display:flex;gap:8px;align-items:center}
.comment-avatar{width:24px;height:24px;min-width:24px;border-radius:50%;background:var(--gradient);display:flex;align-items:center;justify-content:center;color:#fff;font-size:10px;font-weight:600;overflow:hidden}
.comment-avatar img{width:100%;height:100%;object-fit:cover}
.comment-input{flex:1;padding:7px 12px;border:1.5px solid var(--border);border-radius:var(--radius-pill);background:var(--bg);color:var(--text);font-size:13px;outline:none;transition:border-color 0.15s}
.comment-input:focus{border-color:var(--accent)}
.comment-input::placeholder{color:var(--text-subtle)}
.comment-send-btn{background:var(--gradient);border:none;color:#fff;width:28px;height:28px;border-radius:50%;display:flex;align-items:center;justify-content:center;transition:opacity 0.15s}
.comment{display:flex;gap:8px;animation:slideUp 0.15s var(--ease)}
.comment-body{background:var(--input-bg);border-radius:var(--radius-sm);padding:8px 12px;flex:1}
.comment-author{font-size:11px;font-weight:600;color:var(--text-muted);margin-bottom:2px}
.comment-text{font-size:13px;color:var(--text);line-height:1.5}
.show-more-comments{background:transparent;border:none;color:var(--accent);font-size:12px;font-weight:500;cursor:pointer;padding:2px 0}
.show-more-comments:hover{text-decoration:underline}
.feed-notice{display:flex;align-items:center;gap:10px;padding:12px 16px;background:var(--accent-soft);border:1px solid var(--border);border-radius:var(--radius-sm);font-size:13px;color:var(--text-muted)}
.feed-empty{text-align:center;padding:48px 24px;color:var(--text-muted)}
.feed-empty-icon{font-size:40px;margin-bottom:12px}
.feed-empty-sub{font-size:13px;color:var(--text-subtle);margin-top:4px}

/* ── CHAT (ΗΡΑ) ── */
#chat{position:relative}
.greeting{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;padding:40px 24px 180px;text-align:center;animation:fadeIn 0.4s var(--ease)}
.greeting-orb{width:60px;height:60px;border-radius:50%;background:var(--gradient);color:#fff;font-size:24px;font-weight:700;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 28px rgba(91,91,214,0.28)}
.greeting-title{font-size:26px;font-weight:600;background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;max-width:440px;line-height:1.25}
.greeting-sub{font-size:14px;color:var(--text-muted);max-width:340px;line-height:1.6}
.chat-logs{flex:1;overflow-y:auto;-webkit-overflow-scrolling:touch;padding:24px 6% 180px;display:flex;flex-direction:column;gap:28px;scroll-behavior:smooth}
.chat-logs::-webkit-scrollbar{width:4px}
.chat-logs::-webkit-scrollbar-thumb{background:var(--border);border-radius:var(--radius-pill)}
.msg-row{display:flex;flex-direction:column;max-width:700px;width:100%;margin:0 auto;animation:slideUp 0.22s var(--ease)}
.msg-sender{font-size:11px;font-weight:600;letter-spacing:0.8px;text-transform:uppercase;margin-bottom:6px;display:flex;align-items:center;gap:6px}
.user-row .msg-sender{color:var(--user-color)}
.agent-row .msg-sender{color:var(--agent-color)}
.msg-sender-dot{width:5px;height:5px;border-radius:50%;background:currentColor;opacity:0.7}
.msg-text{font-size:15px;line-height:1.75;color:var(--text);white-space:pre-wrap;word-break:break-word}
.msg-text strong{font-weight:600}.msg-text em{font-style:italic}
.msg-text code{background:var(--input-bg);padding:2px 7px;border-radius:5px;font-family:'Courier New',monospace;font-size:13px;color:var(--accent)}
.user-row .msg-text{background:var(--accent-soft);border-radius:var(--radius-md);padding:12px 16px;display:inline-block;max-width:86%}
.typing-indicator{display:inline-flex;gap:5px;align-items:center;padding:4px 0}
.typing-indicator span{width:7px;height:7px;border-radius:50%;background:var(--agent-color);animation:pulse 1.2s infinite}
.typing-indicator span:nth-child(2){animation-delay:0.2s}
.typing-indicator span:nth-child(3){animation-delay:0.4s}
.input-zone{position:absolute;bottom:0;left:0;right:0;padding:14px 5% 20px;background:linear-gradient(to bottom,transparent,var(--bg) 30%);display:flex;flex-direction:column;align-items:center;z-index:10}
.input-wrap{width:100%;max-width:700px;display:flex;flex-direction:column;gap:6px}
.input-bar{display:flex;align-items:center;background:var(--bg-elevated);border:1.5px solid var(--border);border-radius:var(--radius-pill);padding:6px 6px 6px 14px;gap:8px;box-shadow:var(--shadow-sm);transition:border-color 0.18s,box-shadow 0.18s}
.input-bar:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.attach-btn{display:flex;align-items:center;color:var(--text-muted);cursor:pointer;padding:7px;border-radius:50%;transition:color 0.15s,background 0.15s}
.attach-btn:hover{color:var(--accent);background:var(--accent-soft)}
#user-input{flex:1;border:none;background:transparent;height:40px;font-size:15px;color:var(--text);outline:none;min-width:0}
#user-input::placeholder{color:var(--text-subtle)}
#send-action-btn{background:var(--gradient);border:none;color:#fff;width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;flex-shrink:0;box-shadow:0 2px 8px rgba(91,91,214,0.30);transition:opacity 0.15s,transform 0.15s}
#send-action-btn:hover{opacity:0.88;transform:scale(1.06)}
.file-preview{display:flex;align-items:center;gap:8px;padding:6px 14px;background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius-sm);font-size:12px;color:var(--text-muted)}
.file-preview span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1}
#clear-file-action{background:transparent;border:none;color:var(--text-subtle);cursor:pointer;padding:2px 4px}
.disclaimer{font-size:11px;color:var(--text-subtle);text-align:center;margin-top:6px}

/* ── MESSAGES & GROUPS TABS ── */
.messages-view-inner{flex:1;display:flex;flex-direction:column;overflow:hidden}
.msg-toolbar{display:flex;align-items:center;gap:10px;padding:14px 16px;border-bottom:1px solid var(--border);flex-shrink:0}
.toolbar-title{font-size:15px;font-weight:600;flex:1;color:var(--text)}
.friend-search-input{flex:1;padding:8px 14px;border:1.5px solid var(--border);border-radius:var(--radius-pill);background:var(--input-bg);color:var(--text);font-size:13px;outline:none;transition:border-color 0.15s}
.friend-search-input:focus{border-color:var(--accent);background:var(--bg-elevated)}
.friend-search-input::placeholder{color:var(--text-subtle)}
.add-friend-fab{background:var(--gradient);color:#fff;border:none;border-radius:50%;width:34px;height:34px;font-size:20px;display:flex;align-items:center;justify-content:center;flex-shrink:0;box-shadow:0 2px 8px rgba(91,91,214,0.3);transition:opacity 0.15s,transform 0.15s}
.add-friend-fab:hover{opacity:0.88;transform:scale(1.06)}
.add-friend-row{display:flex;flex-direction:column;gap:8px;padding:12px 16px;background:var(--input-bg);border-bottom:1px solid var(--border)}
.add-friend-row input{padding:9px 14px;border:1.5px solid var(--border);border-radius:var(--radius-sm);background:var(--bg-elevated);color:var(--text);font-size:13px;outline:none;transition:border-color 0.15s}
.add-friend-row input:focus{border-color:var(--accent)}
.add-friend-row button{padding:9px 16px;background:var(--gradient);color:#fff;border:none;border-radius:var(--radius-sm);font-size:13px;font-weight:600}
.im-status{font-size:12px;color:var(--text-muted);padding:4px 0}
.friends-list{flex:1;overflow-y:auto;-webkit-overflow-scrolling:touch}
.friends-list::-webkit-scrollbar{width:3px}
.friends-list::-webkit-scrollbar-thumb{background:var(--border);border-radius:var(--radius-pill)}

/* ── FRIEND ITEMS ── */
.friend-item{display:flex;align-items:center;padding:12px 16px;border-bottom:1px solid var(--border);cursor:pointer;transition:background 0.15s;gap:10px;position:relative}
.friend-item:hover{background:var(--input-bg)}
.friend-avatar{width:42px;height:42px;min-width:42px;border-radius:50%;background:var(--gradient);display:flex;align-items:center;justify-content:center;color:#fff;font-size:16px;font-weight:600;position:relative;overflow:hidden}
.friend-avatar img{width:100%;height:100%;object-fit:cover}
.friend-info{flex:1;min-width:0}
.friend-name{font-size:14px;font-weight:500;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.friend-status{font-size:12px;color:var(--text-muted);margin-top:1px}
.friend-actions{display:flex;gap:6px;align-items:center}
.accept-btn{background:var(--success);color:#fff;border:none;border-radius:var(--radius-sm);padding:5px 10px;font-size:12px;font-weight:500}
.remove-friend-btn{background:transparent;border:none;color:var(--text-subtle);font-size:11px;padding:4px 8px;border-radius:var(--radius-sm);transition:background 0.15s,color 0.15s;opacity:0}
.friend-item:hover .remove-friend-btn{opacity:1}
.remove-friend-btn:hover{background:rgba(220,38,38,0.1);color:var(--danger)}
.unread-count{background:var(--accent);color:#fff;border-radius:var(--radius-pill);font-size:11px;font-weight:700;padding:2px 7px;min-width:20px;text-align:center}

/* ── DM VIEW ── */
.dm-header{display:flex;align-items:center;gap:10px;padding:12px 16px;border-bottom:1px solid var(--border);background:var(--bg-elevated);flex-shrink:0}
.dm-back-btn{background:transparent;border:none;color:var(--text-muted);display:flex;align-items:center;padding:5px;border-radius:4px;transition:color 0.15s;flex-shrink:0}
.dm-back-btn:hover{color:var(--text)}
.dm-peer-avatar{width:32px;height:32px;min-width:32px;border-radius:50%;background:var(--gradient);display:flex;align-items:center;justify-content:center;color:#fff;font-size:13px;font-weight:600;overflow:hidden}
.dm-peer-avatar img{width:100%;height:100%;object-fit:cover}
.grp-color{background:linear-gradient(135deg,#0EA5E9,#2563EB)}
#dm-friend-name{font-size:14px;font-weight:600;color:var(--text);flex:1}
.ai-reply-toggle{display:flex;align-items:center;gap:5px;cursor:pointer;font-size:11px;color:var(--text-muted);flex-shrink:0}
.ai-reply-toggle input{accent-color:var(--accent)}
.toggle-label{white-space:nowrap;font-weight:500}
.dm-messages{flex:1;overflow-y:auto;-webkit-overflow-scrolling:touch;padding:14px 16px;display:flex;flex-direction:column;gap:10px}
.dm-messages::-webkit-scrollbar{width:3px}
.dm-messages::-webkit-scrollbar-thumb{background:var(--border);border-radius:var(--radius-pill)}
.dm-msg{max-width:78%;padding:9px 13px;border-radius:var(--radius-md);font-size:14px;line-height:1.5;animation:slideUp 0.18s var(--ease);word-break:break-word}
.dm-msg.mine{align-self:flex-end;background:var(--accent);color:#fff;border-bottom-right-radius:4px}
.dm-msg.theirs{align-self:flex-start;background:var(--input-bg);color:var(--text);border-bottom-left-radius:4px}
.dm-msg.ai-reply-msg{border:1px solid var(--accent-soft);background:var(--accent-soft);color:var(--text)}
.dm-msg-label{font-size:10px;opacity:0.7;margin-bottom:3px;font-weight:500}
.dm-msg.grp-msg{max-width:82%}
.dm-msg-author{font-size:10px;color:var(--text-muted);margin-bottom:3px;font-weight:600}
.dm-input-bar{display:flex;gap:8px;padding:10px 14px;border-top:1px solid var(--border);background:var(--bg-elevated);flex-shrink:0}
.dm-input-bar input{flex:1;padding:9px 14px;border:1.5px solid var(--border);border-radius:var(--radius-pill);background:var(--bg);color:var(--text);font-size:14px;outline:none;transition:border-color 0.15s}
.dm-input-bar input:focus{border-color:var(--accent)}
.dm-input-bar input::placeholder{color:var(--text-subtle)}
#dm-send-btn,#grp-send-btn{background:var(--gradient);color:#fff;border:none;border-radius:50%;width:38px;height:38px;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:opacity 0.15s,transform 0.15s}
#dm-send-btn:hover,#grp-send-btn:hover{opacity:0.88;transform:scale(1.05)}

/* ── PROFILE MODAL ── */
.profile-pic-large{width:96px;height:96px;border-radius:50%;background:var(--gradient);display:flex;align-items:center;justify-content:center;color:#fff;font-size:32px;font-weight:700;margin:0 auto;overflow:hidden}
.profile-pic-large img{width:100%;height:100%;object-fit:cover}
.profile-upload-btn{display:flex;align-items:center;justify-content:center;gap:8px;padding:10px;background:var(--accent-soft);color:var(--accent);border:1.5px solid var(--accent);border-radius:var(--radius-sm);font-size:13px;font-weight:500;cursor:pointer;transition:background 0.15s}
.profile-upload-btn:hover{background:var(--accent);color:#fff}
.btn-danger-sm{padding:9px;background:transparent;border:1.5px solid var(--border);border-radius:var(--radius-sm);color:var(--text-muted);font-size:13px;cursor:pointer;transition:border-color 0.15s,color 0.15s}
.btn-danger-sm:hover{border-color:var(--danger);color:var(--danger)}

/* ── GROUP MODAL ── */
.group-members-list{display:flex;flex-direction:column;gap:6px;max-height:200px;overflow-y:auto}
.group-member-row{display:flex;align-items:center;gap:10px;padding:8px 10px;background:var(--input-bg);border-radius:var(--radius-sm);cursor:pointer;transition:background 0.15s}
.group-member-row:hover{background:var(--accent-soft)}
.group-member-row.selected{background:var(--accent-soft);border:1px solid var(--accent)}
.group-member-check{width:18px;height:18px;border-radius:4px;border:2px solid var(--border);display:flex;align-items:center;justify-content:center;font-size:11px;transition:background 0.15s}
.group-member-row.selected .group-member-check{background:var(--accent);border-color:var(--accent);color:#fff}

/* ── LIGHTBOX ── */
.lightbox{position:fixed;inset:0;background:rgba(0,0,0,0.92);z-index:2000;display:flex;align-items:center;justify-content:center;animation:fadeIn 0.15s var(--ease)}
.lightbox img{max-width:92vw;max-height:92vh;border-radius:var(--radius-sm);object-fit:contain}
.lightbox-close{position:absolute;top:20px;right:20px;background:rgba(255,255,255,0.12);border:none;color:#fff;width:40px;height:40px;border-radius:50%;display:flex;align-items:center;justify-content:center;cursor:pointer}
.lightbox-close:hover{background:rgba(255,255,255,0.22)}

/* ── MOBILE TOP BAR ── */
.mobile-topbar{display:none;position:fixed;top:0;left:0;right:0;height:50px;z-index:600;background:var(--bg-elevated);border-bottom:1px solid var(--border);align-items:center;justify-content:center;padding:0 16px;box-shadow:var(--shadow-sm)}
.mobile-topbar-brand{font-size:17px;font-weight:700;letter-spacing:2px;background:var(--gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.mobile-topbar-menu{position:absolute;right:14px;background:transparent;border:none;color:var(--text-muted);padding:8px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;transition:background 0.15s}
.mobile-topbar-menu:hover{background:var(--input-bg);color:var(--text)}

/* ── MOBILE DROPDOWN ── */
.mob-dropdown{position:fixed;top:50px;right:12px;background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);z-index:700;min-width:200px;padding:8px;display:flex;flex-direction:column;gap:2px;animation:scaleIn 0.15s var(--ease);transform-origin:top right}
.mobile-menu-item{display:flex;align-items:center;gap:12px;width:100%;padding:11px 14px;background:transparent;border:none;color:var(--text);font-size:14px;font-weight:500;border-radius:var(--radius-sm);text-align:left;cursor:pointer;font-family:inherit;transition:background 0.15s}
.mobile-menu-item:hover{background:var(--input-bg)}
.mobile-menu-divider{height:1px;background:var(--border);margin:4px 0}
.mob-dropdown-overlay{position:fixed;inset:0;z-index:650;background:transparent}

/* ── BOTTOM TAB BAR (mobile) ── */
.bottom-tab-bar, .btm-tab-bar {display:none;position:fixed;bottom:0;left:0;right:0;height:var(--btm-bar);background:var(--bg-elevated);border-top:1px solid var(--border);z-index:600;flex-direction:row;align-items:stretch;box-shadow:0 -4px 20px rgba(0,0,0,0.08)}.btm-tab{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;background:transparent;border:none;color:var(--text-muted);font-size:10px;font-weight:500;cursor:pointer;padding:6px 4px;transition:color 0.15s;position:relative;font-family:inherit}
.btm-tab svg{transition:transform 0.15s}
.btm-tab.active{color:var(--accent)}
.btm-tab.active svg{transform:scale(1.1)}
.btm-badge{position:absolute;top:6px;right:calc(50% - 18px);background:var(--danger);color:#fff;border-radius:var(--radius-pill);font-size:9px;font-weight:700;padding:1px 5px;min-width:16px;text-align:center}

/* ── MOBILE RESPONSIVE ── */
@media(max-width:768px){
  .mobile-topbar{display:flex}
  .bottom-tab-bar{display:flex}
  .main-tabs{display:none}
  .app-layout{padding-top:50px}
  .tab-section{padding-bottom:var(--btm-bar)}
  .sidebar{display:none}
  .chat-logs{padding:24px 5% 200px}
  .greeting{padding-bottom:200px}
  .input-zone{padding:10px 4% 16px;bottom:0}
  .feed-scroll-area{padding:12px}
  .dm-msg{max-width:88%}
  .modal-card{padding:36px 24px 28px}
  .main-tabs{padding:8px 8px 0}
  .tab-btn{padding:6px 10px;font-size:12px}
}
/* ── CUSTOM BUTTON THEMES (NEW CHAT & GEAR) ── */

/* Settings Gear Button Hover & Theme Logic */
#settings-gear-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    padding: 8px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: color 0.2s var(--ease), background 0.2s var(--ease), transform 0.3s var(--ease);
}

#settings-gear-btn:hover {
    color: var(--text);
    background: var(--input-bg);
    transform: rotate(45deg); /* Adds a subtle, satisfying mechanical spin */
}

/* Nea Sizitisi (New Chat) Button Hover & Theme Logic */
#sidebar-hera-btn {
    cursor: pointer;
    transition: transform 0.15s var(--ease), box-shadow 0.15s var(--ease);
}

#sidebar-hera-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

/* Specific Dark Mode overrides to make the ΗΡΑ button look sleek, not washed out */
[data-theme="dark"] .sidebar-hera-section {
    background: var(--bg-elevated);
    border: 1px solid var(--accent-soft);
}

[data-theme="dark"] .sidebar-hera-section:hover {
    background: var(--input-bg);
    border-color: var(--accent);
}
/* ── MOBILE BOTTOM BAR BUTTONS ── */
.btm-tab {
    flex: 1; /* Makes the buttons spread out evenly */
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    color: var(--text-muted); /* Blends with your theme */
    padding: 10px 0;
    font-size: 12px;
    cursor: pointer;
    transition: color 0.2s var(--ease);
}

/* Make the icons inside a consistent size */
.btm-tab svg {
    width: 24px;
    height: 24px;
    margin-bottom: 4px;
}

/* When a tab is active or tapped, make it pop with your accent color */
.btm-tab.active, .btm-tab:active, .btm-tab:hover {
    color: var(--accent); 
}