/* ===== LIGHT THEME — OmnitermAI ===== */
:root{--bg-primary:#f4f6fb;--bg-secondary:#ffffff;--bg-chat:#f8f9fd;--bg-sidebar:#ffffff;--bg-input:#f0f3fa;--text-primary:#1c2333;--text-secondary:#5c6a82;--text-muted:#9daabb;--accent:#6c5ce7;--accent-hover:#5a4bd1;--accent-light:rgba(108,92,231,.1);--danger:#e74c6f;--danger-light:rgba(231,76,111,.1);--success:#00b894;--success-light:rgba(0,184,148,.1);--border:#e4e9f2;--radius:12px;--radius-sm:8px;--radius-lg:16px;--shadow:0 2px 16px rgba(0,0,0,.07);--shadow-lg:0 8px 40px rgba(0,0,0,.12);--shadow-card:0 1px 4px rgba(0,0,0,.06),0 4px 16px rgba(0,0,0,.07)}

/* ===== RESET & BASE ===== */
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:'Inter',system-ui,sans-serif;color:var(--text-primary);background:var(--bg-primary);line-height:1.6;-webkit-font-smoothing:antialiased}

/* ===== AUTH ===== */
.auth-body{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#eef2ff 0%,#f5f0ff 50%,#fdf4ff 100%);padding:20px;position:relative;overflow:hidden}
.auth-body::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse 80% 60% at 50% 0%,rgba(108,92,231,.12) 0%,transparent 70%);pointer-events:none}
.auth-container{width:100%;max-width:440px;position:relative;z-index:1}
.auth-card{background:var(--bg-secondary);border-radius:24px;padding:44px 40px;box-shadow:var(--shadow-lg);border:1px solid rgba(108,92,231,.12)}
.auth-header{text-align:center;margin-bottom:32px}
.auth-logo{width:68px;height:68px;background:linear-gradient(135deg,var(--accent),#a29bfe);border-radius:18px;display:flex;align-items:center;justify-content:center;margin:0 auto 18px;font-size:28px;color:#fff;box-shadow:0 8px 24px rgba(108,92,231,.35)}
.auth-header h1{font-size:1.55rem;font-weight:700;color:var(--text-primary);margin-bottom:6px}
.auth-header p{color:var(--text-secondary);font-size:.92rem}
.auth-footer{text-align:center;margin-top:24px;color:var(--text-secondary);font-size:.9rem}
.auth-footer a{color:var(--accent);text-decoration:none;font-weight:600}
.auth-footer a:hover{text-decoration:underline}

/* ===== FORMS ===== */
.form-group{margin-bottom:20px}
.form-group label{display:flex;align-items:center;gap:6px;margin-bottom:7px;font-size:.85rem;font-weight:600;color:var(--text-secondary)}
.form-group label i{font-size:.8rem;color:var(--accent)}
.form-control{width:100%;padding:11px 14px;background:var(--bg-input);border:1.5px solid var(--border);border-radius:var(--radius-sm);color:var(--text-primary);font-size:.94rem;font-family:inherit;transition:border-color .2s,box-shadow .2s}
.form-control:focus{outline:none;border-color:var(--accent);background:#fff;box-shadow:0 0 0 3px var(--accent-light)}
.form-control::placeholder{color:var(--text-muted)}
select.form-control{cursor:pointer;appearance:auto}
.form-control:disabled,.form-control[disabled]{background:#f7f8fc;color:var(--text-muted);border-color:var(--border);pointer-events:none;cursor:not-allowed}
.form-control:disabled:focus{outline:0;box-shadow:none}

/* ===== BUTTONS ===== */
.btn{display:inline-flex;align-items:center;gap:8px;padding:11px 22px;border:1.5px solid transparent;border-radius:var(--radius-sm);font-size:.92rem;font-weight:600;cursor:pointer;transition:all .2s;font-family:inherit;text-decoration:none;line-height:1}
.btn-primary{background:linear-gradient(135deg,var(--accent),#8b7cf7);color:#fff;border-color:transparent;box-shadow:0 4px 12px rgba(108,92,231,.3)}
.btn-primary:hover{background:linear-gradient(135deg,var(--accent-hover),#7b6cf0);transform:translateY(-1px);box-shadow:0 6px 18px rgba(108,92,231,.4)}
.btn-full{width:100%;justify-content:center}
.btn-secondary{background:var(--bg-input);color:var(--text-secondary);border-color:var(--border)}
.btn-secondary:hover{background:var(--border);color:var(--text-primary)}

/* ===== ALERTS ===== */
.alert{padding:12px 16px;border-radius:var(--radius-sm);margin-bottom:16px;font-size:.9rem;display:flex;align-items:flex-start;gap:8px}
.alert-success{background:var(--success-light);color:#00856b;border:1px solid rgba(0,184,148,.25)}
.alert-danger{background:var(--danger-light);color:#c0374f;border:1px solid rgba(231,76,111,.25)}
.alert:empty,.validation-summary-valid{display:none}
.validation-summary-errors ul{padding-left:20px}

/* ===== CHAT LAYOUT ===== */
.chat-body{display:flex;height:100vh;overflow:hidden;background:var(--bg-primary)}
.sidebar-overlay{display:none;position:fixed;inset:0;background:rgba(30,30,60,.45);z-index:98;backdrop-filter:blur(2px)}

/* ===== SIDEBAR ===== */
.sidebar{width:280px;background:var(--bg-sidebar);display:flex;flex-direction:column;border-right:1px solid var(--border);z-index:99;flex-shrink:0;box-shadow:2px 0 12px rgba(0,0,0,.04)}
.sidebar-header{display:flex;align-items:center;justify-content:space-between;padding:13px 20px;border-bottom:1px solid var(--border)}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:1rem;color:var(--text-primary)}
.logo i{background:linear-gradient(135deg,var(--accent),#a29bfe);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;font-size:1.35rem}
.mobile-close{display:none}
.btn-new-chat{margin:14px 16px;padding:11px 16px;background:linear-gradient(135deg,var(--accent),#8b7cf7);color:#fff;border:none;border-radius:var(--radius-sm);font-weight:600;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:8px;transition:all .2s;font-family:inherit;font-size:.9rem;box-shadow:0 4px 12px rgba(108,92,231,.25)}
.btn-new-chat:hover{background:linear-gradient(135deg,var(--accent-hover),#7b6cf0);transform:translateY(-1px);box-shadow:0 6px 16px rgba(108,92,231,.35)}
.sidebar-history{flex:1;overflow-y:auto;padding:4px 10px 8px}
.sidebar-history::-webkit-scrollbar{width:4px}
.sidebar-history::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px}
.sidebar-history::-webkit-scrollbar-track{background:transparent}
.history-item{display:flex;align-items:center;gap:10px;padding:9px 10px;border-radius:var(--radius-sm);cursor:pointer;color:var(--text-secondary);transition:all .2s;margin-bottom:2px}
.history-item:hover,.history-item.active{background:var(--accent-light);color:var(--text-primary)}
.history-item i{font-size:.78rem;flex-shrink:0;color:var(--text-muted)}
.history-item:hover i,.history-item.active i{color:var(--accent)}
.history-title{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:.84rem}
.btn-delete-session{background:none;border:none;color:var(--text-muted);cursor:pointer;padding:4px 6px;border-radius:4px;opacity:0;transition:all .2s;font-size:.73rem}
.history-item:hover .btn-delete-session{opacity:1}
.btn-delete-session:hover{color:var(--danger);background:var(--danger-light)}
.sidebar-footer{padding:10px 12px 14px;border-top:1px solid var(--border);display:flex;flex-direction:column;gap:2px}
.sidebar-link{display:flex;align-items:center;gap:10px;padding:9px 10px;color:var(--text-secondary);text-decoration:none;border-radius:var(--radius-sm);transition:all .2s;font-size:.88rem;font-weight:500}
.sidebar-link i{width:16px;text-align:center;font-size:.85rem}
.sidebar-link:hover{background:var(--accent-light);color:var(--accent)}
.sidebar-link.logout{color:var(--danger)}
.sidebar-link.logout:hover{background:var(--danger-light);color:var(--danger)}
.sidebar-user{display:flex;align-items:center;gap:8px;padding:9px 10px;font-size:.87rem;color:var(--text-secondary);border-radius:var(--radius-sm);background:var(--bg-input);margin-bottom:2px;min-width:0}
.sidebar-user i{font-size:1.1rem;color:var(--accent);flex-shrink:0}
.sidebar-user .user-name{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.role-badge{background:#6c5ce7;background:linear-gradient(135deg,var(--accent),#a29bfe);color:#fff!important;padding:2px 7px;border-radius:20px;font-size:.66rem;font-weight:700;flex-shrink:0;letter-spacing:.3px;white-space:nowrap}

/* ===== CHAT MAIN ===== */
.chat-main{flex:1;display:flex;flex-direction:column;background:var(--bg-chat);min-width:0}
.chat-header{display:flex;align-items:center;gap:12px;padding:13px 20px;border-bottom:1px solid var(--border);background:var(--bg-secondary);box-shadow:0 1px 4px rgba(0,0,0,.04)}
.chat-header h2{flex:1;font-size:.97rem;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--text-primary)}
.btn-icon{background:none;border:none;color:var(--text-muted);cursor:pointer;padding:8px;border-radius:var(--radius-sm);transition:all .2s;font-size:1rem;line-height:1}
.btn-icon:hover{background:var(--accent-light);color:var(--accent)}
.header-actions{display:flex;gap:4px}

/* ===== MESSAGES ===== */
.chat-messages{flex:1;overflow-y:auto;padding:24px 20px;scroll-behavior:smooth}
.chat-messages::-webkit-scrollbar{width:6px}
.chat-messages::-webkit-scrollbar-thumb{background:var(--border);border-radius:6px}
.chat-messages::-webkit-scrollbar-track{background:transparent}

/* Welcome Screen */
.welcome-screen{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;text-align:center;padding:20px}
.welcome-icon{width:80px;height:80px;/*background:linear-gradient(135deg,var(--accent),#a29bfe);border-radius:24px;*/display:flex;align-items:center;justify-content:center;/*margin:0 auto 20px;*//*font-size:2rem;color:#fff;box-shadow:0 12px 32px rgba(108,92,231,.3);*/animation:floatIcon 3s ease-in-out infinite}
@keyframes floatIcon{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}
.welcome-screen h2{font-size:1.6rem;margin-bottom:8px;font-weight:700;color:var(--text-primary)}
.welcome-screen p{color:var(--text-secondary);margin-bottom:32px;font-size:.96rem}
.welcome-suggestions{display:grid;grid-template-columns:1fr 1fr;gap:12px;max-width:520px;width:100%}
.suggestion{background:var(--bg-secondary);border:1.5px solid var(--border);color:var(--text-secondary);padding:14px 16px;border-radius:var(--radius);cursor:pointer;text-align:left;font-size:.85rem;transition:all .2s;font-family:inherit;box-shadow:var(--shadow-card)}
.suggestion:hover{border-color:var(--accent);color:var(--text-primary);background:#fff;box-shadow:0 4px 16px rgba(108,92,231,.15);transform:translateY(-1px)}

/* Message bubbles */
.message{display:flex;gap:12px;margin-bottom:24px;max-width:820px;margin-left:auto;margin-right:auto;width:100%;animation:fadeIn .3s ease}
@keyframes fadeIn{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}
.message-avatar{width:36px;height:36px;border-radius:10px;display:flex;align-items:center;justify-content:center;flex-shrink:0;font-size:.88rem;color:#fff}
.message.user .message-avatar{background:linear-gradient(135deg,var(--accent),#8b7cf7)}
.message.assistant .message-avatar{/*background:linear-gradient(135deg,#fd79a8,var(--accent))*/}
.message-content{flex:1;min-width:0}
.message-role{font-size:.73rem;font-weight:700;text-transform:uppercase;letter-spacing:.6px;margin-bottom:5px;color:var(--text-muted)}
.message.user .message-role{color:var(--accent)}
.message-text{font-size:.94rem;line-height:1.75;color:var(--text-primary)}
.message-text.streaming{white-space:pre-wrap}
.message-text p{margin-bottom:12px}
.message-text p:last-child{margin-bottom:0}
.message-text pre{background:#f6f8fc;border-radius:var(--radius-sm);padding:16px;overflow-x:auto;margin:12px 0;border:1px solid var(--border);position:relative}
.message-text pre code{font-size:.84rem;color:var(--text-primary)}
.message-text code:not(pre code){background:#eef1fb;color:var(--accent);padding:2px 6px;border-radius:4px;font-size:.84rem;font-weight:500}
.message-text ul,.message-text ol{margin:8px 0 8px 20px}
.message-text li{margin-bottom:4px}
.message-text strong{color:var(--text-primary);font-weight:700}
.message-text h1,.message-text h2,.message-text h3{margin:16px 0 8px;color:var(--text-primary)}
.message-text table{width:100%;border-collapse:collapse;margin:12px 0;border-radius:var(--radius-sm);overflow:hidden;box-shadow:var(--shadow-card)}
.message-text th,.message-text td{border:1px solid var(--border);padding:9px 13px;text-align:left;font-size:.88rem}
.message-text th{background:var(--bg-input);font-weight:600;color:var(--text-primary)}
.message-text blockquote{border-left:3px solid var(--accent);padding:8px 16px;margin:12px 0;color:var(--text-secondary);background:var(--accent-light);border-radius:0 var(--radius-sm) var(--radius-sm) 0}
.copy-btn{position:absolute;top:8px;right:8px;background:var(--bg-secondary);border:1px solid var(--border);color:var(--text-muted);padding:4px 10px;border-radius:var(--radius-sm);cursor:pointer;font-size:.72rem;opacity:0;transition:opacity .2s;font-family:inherit;font-weight:500}
pre:hover .copy-btn{opacity:1}
.copy-btn:hover{color:var(--accent);border-color:var(--accent)}
.message-meta{display:flex;align-items:center;justify-content:space-between;margin-top:6px;gap:8px;opacity:0;transition:opacity .2s}
.message:hover .message-meta{opacity:1}
.message-time{font-size:.71rem;color:var(--text-muted);white-space:nowrap}
.btn-copy-msg,.btn-regenerate-msg,.btn-edit-msg{background:none;border:none;cursor:pointer;color:var(--text-muted);padding:3px 5px;border-radius:4px;font-size:.75rem;line-height:1;transition:color .15s,background .15s;flex-shrink:0}
.btn-copy-msg:hover,.btn-regenerate-msg:hover,.btn-edit-msg:hover{color:var(--accent);background:var(--accent-light)}

/* Connection overlay */
.conn-overlay{position:fixed;inset:0;background:rgba(20,20,40,.6);backdrop-filter:blur(4px);z-index:9999;display:flex;align-items:center;justify-content:center;animation:fadeIn .2s ease}
.conn-dialog{background:var(--bg-secondary);border-radius:20px;padding:36px 40px;text-align:center;box-shadow:var(--shadow-lg);border:1px solid var(--border);min-width:280px;max-width:340px;width:90%}
.conn-spinner{display:flex;justify-content:center;gap:6px;margin-bottom:20px}
.conn-spinner div{width:10px;height:10px;border-radius:50%;background:var(--accent);animation:connBounce 1.2s infinite ease-in-out}
.conn-spinner div:nth-child(2){animation-delay:.15s}
.conn-spinner div:nth-child(3){animation-delay:.3s}
.conn-spinner div:nth-child(4){animation-delay:.45s}
@keyframes connBounce{0%,80%,100%{transform:scale(.5);opacity:.4}40%{transform:scale(1);opacity:1}}
.conn-title{font-size:1.05rem;font-weight:700;color:var(--text-primary);margin-bottom:6px}
.conn-msg{font-size:.86rem;color:var(--text-secondary);margin-bottom:20px}
.conn-retry-btn{background:linear-gradient(135deg,var(--accent),#8b7cf7);color:#fff;border:none;border-radius:8px;padding:9px 22px;font-size:.88rem;font-weight:600;cursor:pointer;font-family:inherit;transition:opacity .15s;display:none}
.conn-retry-btn:hover{opacity:.88}

/* Typing indicator */
.typing-indicator{display:flex;gap:4px;padding:8px 0}
.typing-indicator span{width:8px;height:8px;background:var(--accent);border-radius:50%;animation:bounce 1.4s infinite ease-in-out;opacity:.7}
.typing-indicator span:nth-child(2){animation-delay:.2s}
.typing-indicator span:nth-child(3){animation-delay:.4s}
@keyframes bounce{0%,80%,100%{transform:scale(0)}40%{transform:scale(1)}}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.4}}
.typing-status{display:inline-flex;align-items:center;gap:10px;padding:8px 14px;background:var(--bg-input);border:1px solid var(--border);border-radius:20px;margin:4px 0}
.typing-status::before{content:'';display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--accent);animation:typingDot 1.2s ease-in-out infinite}
.typing-phrase{font-size:.85rem;color:var(--text-secondary);font-style:italic;letter-spacing:.01em;animation:phraseSwap .4s ease}
@keyframes typingDot{0%,100%{opacity:.25;transform:scale(.8)}50%{opacity:1;transform:scale(1.1)}}
@keyframes phraseSwap{0%{opacity:0;transform:translateY(4px)}100%{opacity:1;transform:translateY(0)}}

/* ===== CHAT INPUT ===== */
.chat-input-area{padding:16px 20px;border-top:1px solid var(--border);background:var(--bg-secondary)}
.input-wrapper{display:flex;align-items:flex-end;gap:10px;max-width:820px;margin:0 auto;background:#fff;border:1.5px solid var(--border);border-radius:var(--radius);padding:10px 14px;transition:all .2s;box-shadow:var(--shadow-card)}
.input-wrapper:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-light)}
.input-wrapper textarea{flex:1;background:none;border:none;color:var(--text-primary);font-size:.94rem;font-family:inherit;resize:none;max-height:150px;line-height:1.55;padding:2px 0}
.input-wrapper textarea:focus{outline:none}
.input-wrapper textarea::placeholder{color:var(--text-muted)}
.btn-send{width:36px;height:36px;background:linear-gradient(135deg,var(--accent),#8b7cf7);border:none;color:#fff;border-radius:var(--radius-sm);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .2s;flex-shrink:0;box-shadow:0 4px 10px rgba(108,92,231,.3)}
.btn-send:hover{transform:scale(1.08);box-shadow:0 6px 14px rgba(108,92,231,.4)}
.btn-send:disabled{opacity:.35;cursor:not-allowed;transform:none;box-shadow:none}
.input-hint{text-align:center;font-size:.74rem;color:var(--text-muted);margin-top:8px;max-width:820px;margin-left:auto;margin-right:auto}

/* ===== SETTINGS / ADMIN PAGES ===== */
.settings-body{min-height:100vh;background:var(--bg-primary);padding:24px 20px}
.settings-shell-body{display:flex;height:100vh;min-height:100vh;overflow:hidden;padding:0}
.settings-shell-main{flex:1;min-width:0;overflow-y:auto;padding:24px 20px}
.settings-container{max-width:820px;margin:0 auto}
.settings-sidebar{min-height:100vh}
.settings-sidebar-nav{flex:1;overflow-y:auto;padding:12px 10px}
.settings-sidebar-nav::-webkit-scrollbar{width:4px}
.settings-sidebar-nav::-webkit-scrollbar-thumb{background:var(--border);border-radius:4px}
.settings-sidebar .sidebar-link.active{background:var(--accent-light);color:var(--accent);font-weight:700}
.settings-menu-button{display:none}
.settings-header{display:flex;align-items:center;gap:16px;margin-bottom:28px;padding-bottom:16px;border-bottom:1px solid var(--border)}
.settings-header h1{font-size:1.45rem;font-weight:700;display:flex;align-items:center;gap:10px;color:var(--text-primary)}
.settings-header h1 i{color:var(--accent)}
.btn-back{color:var(--text-muted);text-decoration:none;font-size:1.1rem;padding:8px 10px;border-radius:var(--radius-sm);transition:all .2s;background:var(--bg-secondary);border:1px solid var(--border);display:flex;align-items:center}
.btn-back:hover{background:var(--accent-light);color:var(--accent);border-color:var(--accent)}
.settings-section{background:var(--bg-secondary);border-radius:var(--radius-lg);padding:28px 28px;margin-bottom:20px;border:1px solid var(--border);box-shadow:var(--shadow-card)}
.settings-section h2{font-size:1.05rem;margin-bottom:4px;display:flex;align-items:center;gap:10px;font-weight:700;color:var(--text-primary)}
.settings-section h2 i{color:var(--accent)}
.section-desc{color:var(--text-secondary);font-size:.88rem;margin-bottom:20px;margin-top:4px}
.settings-wide{max-width:1080px}
.settings-header-text{min-width:0}
.settings-header-text h1{margin:0}
.settings-header-text p{color:var(--text-secondary);font-size:.88rem;margin-top:4px}
.settings-subnav{display:flex;gap:8px;flex-wrap:wrap;margin:-10px 0 22px 0}
.settings-subnav a{display:inline-flex;align-items:center;gap:8px;padding:9px 12px;border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--bg-secondary);color:var(--text-secondary);text-decoration:none;font-size:.84rem;font-weight:600;transition:all .2s}
.settings-subnav a:hover,.settings-subnav a.active{border-color:var(--accent);background:var(--accent-light);color:var(--accent)}
.settings-overview-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.settings-card{display:flex;flex-direction:column;gap:14px;background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-lg);padding:20px;box-shadow:var(--shadow-card);text-decoration:none;color:inherit;transition:transform .18s,box-shadow .18s,border-color .18s}
.settings-card:hover{transform:translateY(-2px);border-color:rgba(108,92,231,.35);box-shadow:0 10px 24px rgba(0,0,0,.08)}
.settings-card-head{display:flex;align-items:flex-start;gap:12px}
.settings-card-icon{width:42px;height:42px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;background:var(--accent-light);color:var(--accent);font-size:1rem;flex-shrink:0}
.settings-card-title{font-weight:700;color:var(--text-primary);font-size:.98rem;margin-bottom:3px}
.settings-card-desc{color:var(--text-secondary);font-size:.82rem;line-height:1.45}
.settings-card-meta{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.settings-meta-item{background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);padding:9px 10px;min-width:0}
.settings-meta-item span{display:block;font-size:.7rem;color:var(--text-muted);margin-bottom:3px}
.settings-meta-item strong{display:block;color:var(--text-primary);font-size:.83rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.settings-status{display:inline-flex;align-items:center;gap:6px;width:max-content;max-width:100%;padding:4px 9px;border-radius:999px;font-size:.72rem;font-weight:700;border:1px solid var(--border);color:var(--text-secondary);background:var(--bg-input)}
.settings-status.ok{background:#1e7e3415;color:#1e7e34;border-color:#1e7e3440}
.settings-status.warn{background:#f59e0b15;color:#b45309;border-color:#f59e0b40}
.settings-status.off{background:#6c757d15;color:#6c757d;border-color:#6c757d40}
.settings-detail-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.role-section{border-left:3px solid var(--accent);padding-left:16px;margin-bottom:16px}
.role-section.locked{border-left-color:var(--text-muted);opacity:.9}
.role-section:last-child{margin-bottom:0}
.role-section h3{margin:0 0 8px 0;font-size:.95rem;color:var(--text-primary);display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.inline-form{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-bottom:10px}
.inline-form label{font-size:.82rem;color:var(--text-muted);min-width:80px}
.inline-form select,.inline-form input[type=number],.inline-form input[type=text],.inline-form input[type=email],.inline-form input[type=password]{padding:7px 11px;border-radius:6px;border:1px solid var(--border);background:var(--bg-input);color:var(--text-primary);font-size:.85rem;max-width:100%}
.inline-form input:focus,.inline-form select:focus{outline:none;border-color:var(--accent)}
.settings-text-input{min-width:280px;flex:1}
.effort-pill{display:inline-flex!important;align-items:center;justify-content:center;text-align:center;min-width:100px;padding:9px 16px;border-radius:20px;border:1px solid var(--border);background:var(--bg-input);cursor:pointer;font-size:.85rem;color:var(--text-secondary);font-weight:600}
.effort-pill input{display:none}
.effort-pill.active{background:var(--accent);color:#fff;border-color:var(--accent)}
.locked-badge{display:inline-block;padding:2px 8px;border-radius:10px;background:var(--bg-input);font-size:.7rem;color:var(--text-muted);margin-left:4px}
.settings-actions{display:flex;gap:10px;flex-wrap:wrap;align-items:center}
.settings-note{font-size:.75rem;color:var(--text-muted);margin:4px 0 0 0}
.settings-value-line{display:flex;align-items:center;gap:8px;flex-wrap:wrap;color:var(--text-secondary);font-size:.84rem}

/* Knowledge Mode Cards */
.mode-form{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;align-items:stretch}
.mode-option{cursor:pointer;display:flex;min-width:0}
.mode-option input{display:none}
.mode-card{width:100%;height:100%;min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:22px 16px;border-radius:var(--radius);border:2px solid var(--border);transition:all .2s;gap:10px;background:#fff;cursor:pointer}
.mode-card i{font-size:1.6rem;color:var(--text-muted);transition:color .2s}
.mode-card strong{font-size:.9rem;color:var(--text-primary)}
.mode-card span{font-size:.76rem;color:var(--text-muted)}
.mode-option.active .mode-card,.mode-option input:checked+.mode-card{border-color:var(--accent);background:var(--accent-light);box-shadow:0 4px 16px rgba(108,92,231,.15)}
.mode-option.active .mode-card i,.mode-option input:checked+.mode-card i{color:var(--accent)}
.mode-card:hover{border-color:var(--accent);transform:translateY(-2px);box-shadow:0 4px 14px rgba(108,92,231,.12)}

/* Upload Area */
.upload-area{border:2px dashed var(--border);border-radius:var(--radius);padding:40px;text-align:center;cursor:pointer;transition:all .2s;margin-bottom:16px;background:#fafbff}
.upload-area:hover{border-color:var(--accent);background:var(--accent-light)}
.upload-area i{font-size:2.2rem;color:var(--text-muted);margin-bottom:12px;display:block}
.upload-area p{margin-bottom:4px;color:var(--text-secondary);font-weight:500}
.upload-area span{font-size:.8rem;color:var(--text-muted)}

/* Document / User List */
.doc-list{display:flex;flex-direction:column;gap:10px}
.doc-item{display:flex;align-items:center;gap:14px;padding:13px 16px;background:var(--bg-input);border-radius:var(--radius-sm);border:1px solid var(--border);transition:all .2s}
.doc-item:hover{border-color:rgba(108,92,231,.25);box-shadow:var(--shadow-card)}
.doc-icon{width:42px;height:42px;background:var(--accent-light);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;color:var(--accent);flex-shrink:0;font-size:1rem}
.doc-info{flex:1;min-width:0}
.doc-info strong{display:block;font-size:.9rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--text-primary);margin-bottom:2px}
.doc-info span{font-size:.76rem;color:var(--text-muted)}
.btn-delete{background:none;border:none;color:var(--text-muted);cursor:pointer;padding:8px;border-radius:var(--radius-sm);transition:all .2s;font-size:.9rem}
.btn-delete:hover{color:var(--danger);background:var(--danger-light)}
a.btn-delete{display:inline-flex;align-items:center;justify-content:center;text-decoration:none}

/* Document search & pagination */
.doc-search-form{margin-bottom:14px}
.doc-search-wrap{position:relative;display:flex;align-items:center}
.doc-search-icon{position:absolute;left:12px;color:var(--text-muted);font-size:.82rem;pointer-events:none}
.doc-search-input{width:100%;padding:9px 36px 9px 34px;border:1.5px solid var(--border);border-radius:var(--radius-sm);font-size:.88rem;font-family:inherit;color:var(--text-primary);background:var(--bg-input);transition:border-color .2s,box-shadow .2s}
.doc-search-input:focus{outline:none;border-color:var(--accent);background:#fff;box-shadow:0 0 0 3px var(--accent-light)}
.doc-search-clear{position:absolute;right:10px;color:var(--text-muted);font-size:.8rem;text-decoration:none;padding:4px;transition:color .15s}
.doc-search-clear:hover{color:var(--danger)}
.doc-pagination{display:flex;align-items:center;justify-content:space-between;margin-top:16px;padding-top:14px;border-top:1px solid var(--border);flex-wrap:wrap;gap:10px}
.doc-page-info{font-size:.82rem;color:var(--text-muted)}
.doc-page-btns{display:flex;gap:6px}
.doc-page-btn{display:inline-flex;align-items:center;gap:5px;padding:7px 13px;border-radius:var(--radius-sm);border:1.5px solid var(--border);background:var(--bg-secondary);color:var(--text-secondary);font-size:.82rem;font-weight:500;text-decoration:none;transition:all .15s;cursor:pointer}
.doc-page-btn:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-light)}
.doc-page-btn.disabled{opacity:.4;pointer-events:none;cursor:default}

/* ===== RESPONSIVE ===== */
@media(max-width:768px){
.message-meta{opacity:1}
.sidebar{position:fixed;left:-300px;top:0;bottom:0;width:280px;transition:left .3s;z-index:99}
.sidebar.open{left:0}
.sidebar.open~.sidebar-overlay,.settings-sidebar.open~.sidebar-overlay{display:block}
.mobile-close{display:flex!important}
.welcome-suggestions{grid-template-columns:1fr}
.mode-form{grid-template-columns:1fr}
.auth-card{padding:28px 24px}
.settings-section{padding:20px 18px}
.settings-body{padding:16px 14px}
.settings-shell-body{padding:0}
.settings-shell-main{padding:16px 14px}
.settings-sidebar{position:fixed;left:-300px;top:0;bottom:0;width:280px;transition:left .3s;z-index:99}
.settings-sidebar.open{left:0}
.settings-menu-button{display:flex}
.settings-header{align-items:flex-start}
.settings-overview-grid,.settings-detail-grid{grid-template-columns:1fr}
.settings-card-meta{grid-template-columns:1fr}
.settings-subnav{overflow-x:auto;flex-wrap:nowrap;padding-bottom:4px}
.settings-subnav a{white-space:nowrap}
.inline-form{align-items:stretch}
.inline-form label{width:100%;min-width:0}
.inline-form select,.inline-form input[type=number],.inline-form input[type=text],.inline-form input[type=email],.inline-form input[type=password]{width:100%}
.settings-text-input{min-width:0}
.effort-pill{flex:1;min-width:0}
.welcome-icon{width:64px;height:64px;font-size:1.6rem}
}

@media(max-width:480px){
.chat-header{padding:10px 14px}
.chat-messages{padding:14px 12px}
.chat-input-area{padding:10px 12px}
.message{gap:8px}
.message-avatar{width:30px;height:30px;font-size:.8rem;border-radius:8px}
.auth-card{padding:24px 18px;border-radius:18px}
}

@media(min-width:769px){
.chat-header > .btn-icon:first-child{display:none}
.settings-sidebar{position:static;left:auto;top:auto;bottom:auto;transition:none}
.settings-menu-button{display:none!important}
}

.input-wrapper textarea{
    line-height: 2;
}

.rotating-logo {
  animation: rotatinglogo 1.5s linear infinite;
}

@keyframes rotatinglogo {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

.container-alert-icon-center {
    align-items: center;
}

/* ===== SUGGESTION CHIPS ===== */
.suggestion-chips{display:flex;flex-wrap:wrap;gap:8px;max-width:820px;margin:0 auto 20px;padding:0 0 4px}
.suggestion-chip{background:var(--bg-secondary);border:1.5px solid var(--accent);color:var(--accent);padding:7px 14px;border-radius:20px;cursor:pointer;font-size:.82rem;font-weight:500;font-family:inherit;transition:all .2s;text-align:left}
.suggestion-chip:hover{background:var(--accent);color:#fff;transform:translateY(-1px);box-shadow:0 4px 12px rgba(108,92,231,.25)}
.suggestion-chips-loading{min-height:38px;align-items:center}
.suggestion-chip-loading{display:inline-block;width:min(340px,70vw);height:36px;cursor:default;pointer-events:none;position:relative;overflow:hidden;background:var(--bg-secondary);border-color:rgba(108,92,231,.45)}
.suggestion-chip-loading::after{content:'';position:absolute;inset:0;transform:translateX(-100%);background:linear-gradient(90deg,transparent,rgba(108,92,231,.16),transparent);animation:suggestionShimmer 1.1s infinite}
@keyframes suggestionShimmer{100%{transform:translateX(100%)}}

/* ===== REACTION BUTTONS ===== */
.reaction-btns{display:inline-flex;gap:4px;margin:0 4px}
.btn-react{background:none;border:1px solid var(--border);color:var(--text-muted);cursor:pointer;padding:3px 8px;border-radius:20px;font-size:.72rem;line-height:1;transition:all .2s;display:inline-flex;align-items:center;gap:4px}
.btn-react:hover{background:var(--accent-light);border-color:var(--accent);color:var(--accent)}
.btn-react-like.active{background:var(--success-light);border-color:var(--success);color:var(--success)}
.btn-react-dislike.active{background:var(--danger-light);border-color:var(--danger);color:var(--danger)}

/* ===== VOICE BUTTON ===== */
.btn-voice{width:34px;height:34px;background:none;border:1.5px solid var(--border);color:var(--text-muted);border-radius:var(--radius-sm);cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:all .2s;font-size:.85rem}
.btn-voice:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-light)}
.btn-voice.active{background:var(--danger);border-color:var(--danger);color:#fff;animation:voicePulse 1s ease-in-out infinite}
@keyframes voicePulse{0%,100%{box-shadow:0 0 0 0 rgba(231,76,111,.5)}50%{box-shadow:0 0 0 6px rgba(231,76,111,0)}}

/* ===== MESSAGE SEARCH BAR ===== */
.msg-search-bar{display:flex;align-items:center;gap:10px;padding:8px 20px;background:var(--bg-secondary);border-bottom:1px solid var(--border);box-shadow:0 1px 4px rgba(0,0,0,.04)}
.msg-search-bar>i{color:var(--text-muted);font-size:.82rem;flex-shrink:0}
.msg-search-bar input{flex:1;min-width:0;border:1.5px solid var(--border);border-radius:var(--radius-sm);padding:6px 10px;font-size:.88rem;font-family:inherit;color:var(--text-primary);background:var(--bg-input);transition:border-color .2s}
.msg-search-bar input:focus{outline:none;border-color:var(--accent)}
#msgSearchCount{font-size:.78rem;color:var(--text-muted);white-space:nowrap;min-width:70px;text-align:right}
.msg-search-bar button{background:none;border:none;color:var(--text-muted);cursor:pointer;padding:4px 6px;border-radius:4px;font-size:.8rem;transition:color .15s,background .15s;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0}
.msg-search-bar button:disabled{opacity:.35;cursor:not-allowed}
.msg-search-bar .search-nav-btn:hover:not(:disabled){color:var(--accent);background:var(--accent-light)}
.msg-search-bar .btn-search-close:hover{color:var(--danger);background:var(--danger-light)}
mark.search-highlight{background:rgba(255,214,0,.65);color:inherit;border-radius:3px;padding:0 2px}
mark.search-highlight.active{background:#ff9f1a;box-shadow:0 0 0 2px rgba(255,159,26,.22)}

@media(max-width:640px){
.msg-search-bar{gap:6px;padding:8px 10px}
.msg-search-bar>i{display:none}
.msg-search-bar input{font-size:.84rem;padding:6px 8px}
#msgSearchCount{min-width:44px;font-size:.72rem;text-align:center}
.msg-search-bar button{width:28px;height:28px;flex:0 0 28px;padding:0}
}

@media(max-width:360px){
.msg-search-bar{gap:4px;padding:7px 8px}
#msgSearchCount{min-width:38px;font-size:.7rem}
.msg-search-bar button{width:26px;height:26px;flex-basis:26px}
}

/* ===== JQUERY-CONFIRM OVERRIDES ===== */
.jconfirm .jconfirm-box{border-radius:16px!important;box-shadow:0 8px 40px rgba(0,0,0,.14)!important;border:1px solid #e4e9f2!important;font-family:'Inter',system-ui,sans-serif!important;padding:0!important;overflow:hidden}
.jconfirm .jconfirm-title-c{padding:20px 24px 0!important}
.jconfirm .jconfirm-title{font-size:1.05rem!important;font-weight:700!important;color:#1c2333!important}
.jconfirm .jconfirm-content-pane{padding:10px 24px 6px!important}
.jconfirm .jconfirm-content{font-size:.92rem!important;color:#5c6a82!important}
.jconfirm .jconfirm-buttons{padding:16px 24px 20px!important;display:flex!important;gap:8px!important;justify-content:flex-end!important}
.jconfirm .btn{border-radius:8px!important;font-size:.88rem!important;font-weight:600!important;padding:9px 18px!important;font-family:'Inter',system-ui,sans-serif!important;border:none!important;cursor:pointer!important;transition:all .15s!important}
.jconfirm .btn-danger{background:#e74c6f!important;color:#fff!important;box-shadow:0 3px 10px rgba(231,76,111,.3)!important}
.jconfirm .btn-danger:hover{background:#d43a5d!important;transform:translateY(-1px)!important}
.jconfirm .btn-default{background:#f0f3fa!important;color:#5c6a82!important}
.jconfirm .btn-default:hover{background:#e4e9f2!important;color:#1c2333!important}
.jconfirm-overlay{background:rgba(30,30,60,.45)!important;backdrop-filter:blur(3px)!important}
.jconfirm .jconfirm-type-red .jconfirm-title{color:#e74c6f!important}
.public-jconfirm-fallback{position:fixed!important;inset:0!important;z-index:999999!important;display:block!important;font-family:'Inter',system-ui,sans-serif!important}
.public-jconfirm-fallback .jconfirm-overlay{position:absolute!important;inset:0!important}
.public-jconfirm-fallback .jconfirm-scrollpane{position:absolute!important;inset:0!important;display:flex!important;align-items:center!important;justify-content:center!important;padding:16px!important}
.public-jconfirm-fallback .jconfirm-row,.public-jconfirm-fallback .jconfirm-cell,.public-jconfirm-fallback .jconfirm-holder,.public-jconfirm-fallback .jconfirm-box-container{display:block!important;width:100%!important;max-width:450px!important}
.public-jconfirm-fallback .jconfirm-box{background:#fff!important}
.public-jconfirm-fallback .jconfirm-content-pane{height:auto!important}
.tab-guard-overlay{position:fixed;inset:0;z-index:1000000;background:rgba(30,30,60,.45);backdrop-filter:blur(3px);display:flex;align-items:center;justify-content:center;padding:16px}
.tab-guard-box{width:100%;max-width:430px;background:#fff;border:1px solid #e4e9f2;border-radius:16px;box-shadow:0 8px 40px rgba(0,0,0,.14);padding:22px 24px 20px;font-family:'Inter',system-ui,sans-serif}
.tab-guard-box h3{margin:0 0 10px;font-size:1.05rem;font-weight:700;color:#1c2333}
.tab-guard-box p{margin:0 0 18px;font-size:.92rem;color:#5c6a82;line-height:1.45}
.tab-guard-actions{display:flex;gap:8px;justify-content:flex-end}
.tab-guard-box button{border:none;border-radius:8px;background:#e74c6f;color:#fff;box-shadow:0 3px 10px rgba(231,76,111,.3);font-size:.88rem;font-weight:600;padding:9px 18px;font-family:'Inter',system-ui,sans-serif;cursor:pointer}
.tab-guard-box button:hover{background:#d43a5d;transform:translateY(-1px)}
.tab-guard-box .tab-guard-secondary{background:#f0f3fa;color:#5c6a82;box-shadow:none}
.tab-guard-box .tab-guard-secondary:hover{background:#e4e9f2;color:#1c2333}

/* ===== DARK MODE ===== */
[data-theme="dark"]{--bg-primary:#0f1117;--bg-secondary:#1a1d2e;--bg-chat:#13151f;--bg-sidebar:#1a1d2e;--bg-input:#22253a;--text-primary:#e8eaf6;--text-secondary:#9ca3c7;--text-muted:#5c6080;--border:#2d3154;--shadow:0 2px 16px rgba(0,0,0,.3);--shadow-lg:0 8px 40px rgba(0,0,0,.5);--shadow-card:0 1px 4px rgba(0,0,0,.2),0 4px 16px rgba(0,0,0,.25)}
[data-theme="dark"] .input-wrapper{background:var(--bg-input)}
[data-theme="dark"] .message-text pre{background:#1e2133}
[data-theme="dark"] .message-text code:not(pre code){background:#2d3154;color:#a29bfe}
[data-theme="dark"] .suggestion{background:var(--bg-secondary)}
[data-theme="dark"] .suggestion:hover{background:var(--bg-input)}
[data-theme="dark"] .jconfirm .jconfirm-box{background:#1a1d2e!important;border-color:#2d3154!important}
[data-theme="dark"] .jconfirm .jconfirm-title{color:#e8eaf6!important}
[data-theme="dark"] .jconfirm .jconfirm-content{color:#9ca3c7!important}
[data-theme="dark"] .jconfirm .btn-default{background:#22253a!important;color:#9ca3c7!important}
[data-theme="dark"] .tab-guard-box{background:#1a1d2e;border-color:#2d3154}
[data-theme="dark"] .tab-guard-box h3{color:#e8eaf6}
[data-theme="dark"] .tab-guard-box p{color:#9ca3c7}
[data-theme="dark"] .tab-guard-box .tab-guard-secondary{background:#22253a;color:#9ca3c7}
[data-theme="dark"] .copy-btn{background:#22253a!important}
[data-theme="dark"] .auth-body{background:linear-gradient(135deg,#0f1117 0%,#1a1d2e 50%,#13151f 100%)}
[data-theme="dark"] .auth-card{background:#1a1d2e;border-color:#2d3154}
[data-theme="dark"] .form-control{background:var(--bg-input);border-color:var(--border);color:var(--text-primary)}
[data-theme="dark"] .form-control:focus{background:#2d3154}
[data-theme="dark"] .settings-section{background:var(--bg-secondary);border-color:var(--border)}
[data-theme="dark"] .mode-card{background:var(--bg-input)}

/* ===== ADMIN GROUP (collapsible) ===== */
.admin-group{margin-bottom:0}
.admin-group>summary{display:flex;align-items:center;gap:10px;padding:9px 10px;color:var(--text-secondary);border-radius:var(--radius-sm);cursor:pointer;font-size:.88rem;font-weight:500;list-style:none;transition:all .2s}
.admin-group>summary::-webkit-details-marker{display:none}
.admin-group>summary:hover{background:var(--accent-light);color:var(--accent)}
.admin-group>summary i:first-child{width:16px;text-align:center;font-size:.85rem;flex-shrink:0}
.admin-chevron{margin-left:auto;font-size:.7rem;transition:transform .2s;flex-shrink:0}
.admin-group[open]>.admin-chevron,.admin-group[open]>summary .admin-chevron{transform:rotate(180deg)}
.admin-submenu{display:flex;flex-direction:column;gap:1px;padding-left:12px;padding-bottom:2px}
.sidebar-sublink{font-size:.84rem!important;padding:7px 10px!important}
.pref-sublink{background:none;border:none;width:100%;text-align:left;cursor:pointer}

/* ===== SIDEBAR UTILITY ROW ===== */
.sidebar-utils{display:grid;grid-template-columns:1fr 1fr;gap:4px;margin-bottom:0}
.sidebar-util-btn{display:flex;align-items:center;justify-content:center;gap:6px;padding:8px 6px;background:var(--bg-input);border:none;color:var(--text-secondary);border-radius:var(--radius-sm);cursor:pointer;font-family:inherit;font-size:.8rem;font-weight:500;transition:all .2s;width:100%}
.sidebar-util-btn:hover{background:var(--accent-light);color:var(--accent)}
.sidebar-util-btn i{font-size:.82rem}

/* ===== ANNOUNCEMENT BANNER ===== */
.announcement-banner{display:flex;align-items:center;gap:12px;padding:10px 20px;background:linear-gradient(135deg,var(--accent),#8b7cf7);color:#fff;font-size:.88rem;font-weight:500;position:relative;z-index:10}
.announcement-banner i.fa-bullhorn{flex-shrink:0}
.announcement-banner span{flex:1}
.announcement-banner button{background:rgba(255,255,255,.2);border:none;color:#fff;width:26px;height:26px;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:background .15s;font-size:.8rem}
.announcement-banner button:hover{background:rgba(255,255,255,.35)}

/* ===== ANNOUNCE BADGE ===== */
.announce-badge{background:var(--danger);color:#fff;border-radius:50%;width:17px;height:17px;font-size:.62rem;font-weight:700;display:flex;align-items:center;justify-content:center;margin-left:auto;flex-shrink:0}

/* ===== SIDEBAR LINK BUTTON ===== */
.sidebar-link-btn{background:none;border:none;cursor:pointer;font-family:inherit;text-align:left;width:100%}

/* ===== USER AVATAR SMALL ===== */
.user-avatar-sm{width:28px;height:28px;border-radius:50%;object-fit:cover;flex-shrink:0}

/* ===== SHORTCUTS MODAL ===== */
.modal-overlay{position:fixed;inset:0;background:rgba(30,30,60,.5);backdrop-filter:blur(4px);z-index:9999;display:flex;align-items:center;justify-content:center;animation:fadeIn .2s ease}
.modal-box{background:var(--bg-secondary);border-radius:var(--radius-lg);padding:28px;box-shadow:var(--shadow-lg);border:1px solid var(--border);width:100%;max-width:400px;margin:20px}
.modal-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.modal-header h3{font-size:1.05rem;font-weight:700;color:var(--text-primary);display:flex;align-items:center;gap:8px}
.modal-header h3 i{color:var(--accent)}
.shortcuts-list{display:flex;flex-direction:column;gap:10px}
.shortcut-row{display:flex;align-items:center;justify-content:space-between;padding:10px 14px;background:var(--bg-input);border-radius:var(--radius-sm);font-size:.88rem;color:var(--text-secondary)}
.shortcut-key{background:var(--bg-secondary);border:1px solid var(--border);color:var(--text-primary);padding:3px 10px;border-radius:6px;font-size:.8rem;font-weight:600;font-family:monospace;box-shadow:0 2px 0 var(--border)}

/* ===== PREFERENCES ===== */
.pref-row{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.pref-info{display:flex;flex-direction:column;gap:3px}
.pref-info strong{font-size:.9rem;color:var(--text-primary);font-weight:600}
.pref-info span{font-size:.8rem;color:var(--text-muted)}
.pref-theme-btns{display:flex;gap:6px;flex-shrink:0}
.pref-theme-btn{background:var(--bg-input);border:1.5px solid var(--border);color:var(--text-secondary);padding:7px 16px;border-radius:8px;font-size:.83rem;cursor:pointer;font-weight:500;transition:all .15s;display:flex;align-items:center;gap:6px}
.pref-theme-btn:hover{border-color:var(--accent);color:var(--accent)}
.pref-theme-btn.active{background:var(--accent-light);border-color:var(--accent);color:var(--accent)}

/* ===== FAVORITE BUTTON ===== */
.btn-favorite{background:none;border:none;cursor:pointer;color:var(--text-muted);padding:3px 5px;border-radius:4px;font-size:.78rem;line-height:1;transition:color .15s,background .15s;flex-shrink:0}
.btn-favorite:hover{color:#f39c12;background:rgba(243,156,18,.1)}
.btn-favorite.active{color:#f39c12}

/* ===== SIDEBAR SEARCH ===== */
.sidebar-search-wrap{position:relative;margin:6px 10px 4px;display:flex;align-items:center}
.sidebar-search-icon{position:absolute;left:10px;color:var(--text-muted);font-size:.75rem;pointer-events:none}
.sidebar-search-input{width:100%;padding:7px 10px 7px 28px;background:var(--bg-input);border:1.5px solid var(--border);border-radius:var(--radius-sm);color:var(--text-primary);font-size:.82rem;font-family:inherit;transition:border-color .2s}
.sidebar-search-input:focus{outline:none;border-color:var(--accent)}
.sidebar-search-input::placeholder{color:var(--text-muted)}
.history-empty{color:var(--text-muted);font-size:.84rem;text-align:center;padding:20px 10px}
.history-load-spinner{text-align:center;padding:10px;color:var(--text-muted);font-size:.8rem}

/* ===== LOAD EARLIER MESSAGES ===== */
.load-earlier-wrap{text-align:center;padding:10px 0 4px}
.btn-load-earlier{background:var(--bg-input);border:1.5px solid var(--border);color:var(--text-secondary);padding:7px 16px;border-radius:20px;font-size:.8rem;font-weight:500;cursor:pointer;font-family:inherit;transition:all .2s;display:inline-flex;align-items:center;gap:7px}
.btn-load-earlier:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-light)}
.btn-load-earlier:disabled{opacity:.5;cursor:not-allowed}

/* ===== NOTIFICATION BELL ===== */
/* ===== CITATIONS ===== */
.msg-citations{display:flex;flex-wrap:wrap;align-items:center;gap:6px;margin-top:8px;padding-top:8px;border-top:1px solid var(--border);font-size:.75rem;color:var(--text-muted)}
.msg-citations i{font-size:.72rem;flex-shrink:0}
.msg-citation-tag{background:var(--accent-light);color:var(--accent);border:1px solid rgba(108,92,231,.2);border-radius:4px;padding:2px 7px;font-size:.72rem;font-weight:500;white-space:nowrap;max-width:260px;overflow:hidden;text-overflow:ellipsis}

.notif-bell{position:relative}
.notif-dot{position:absolute;top:5px;right:5px;width:8px;height:8px;background:#e74c3c;border-radius:50%;border:2px solid var(--bg-secondary);pointer-events:none}

/* ===== ANNOUNCEMENT POPUP ===== */
.announcement-popup-body{padding:4px 0 16px;color:var(--text-primary);line-height:1.65;font-size:.93rem;white-space:pre-wrap;word-break:break-word}
.announcement-popup-footer{display:flex;justify-content:flex-end;gap:10px;border-top:1px solid var(--border);padding-top:14px}

/* ===== ANALYTICS CARDS ===== */
.analytics-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:24px}
.analytics-card{background:var(--bg-secondary);border-radius:var(--radius);padding:22px 20px;border:1px solid var(--border);box-shadow:var(--shadow-card);display:flex;flex-direction:column;gap:4px}
.analytics-card-icon{width:40px;height:40px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:1.1rem;color:#fff;margin-bottom:8px}
.analytics-card-value{font-size:1.9rem;font-weight:700;color:var(--text-primary);line-height:1}
.analytics-card-label{font-size:.8rem;color:var(--text-secondary);font-weight:500}
@media(max-width:768px){.analytics-cards{grid-template-columns:repeat(2,1fr)}}
@media(max-width:480px){.analytics-cards{grid-template-columns:1fr}}