:root{--g-50:#f0fdf4;--g-100:#dcfce7;--g-200:#bbf7d0;--g-300:#86efac;--g-400:#4ade80;--g-500:#22c55e;--g-600:#16a34a;--g-700:#15803d;--g-800:#166534;--g-900:#14532d;--g-950:#052e16;--n-0:#fff;--n-50:#f8fafc;--n-100:#f1f5f9;--n-200:#e2e8f0;--n-300:#cbd5e1;--n-400:#94a3b8;--n-500:#64748b;--n-600:#475569;--n-700:#334155;--n-800:#1e293b;--n-900:#0f172a;--primary:var(--g-600);--primary-light:var(--g-400);--primary-dark:var(--g-800);--danger:#ef4444;--warning:#f59e0b;--info:#3b82f6;--success:var(--g-500);--sidebar-w:260px;--topbar-h:64px;--radius:10px;--radius-sm:6px;--shadow-sm:0 1px 3px rgba(0,0,0,.08);--shadow-md:0 4px 16px rgba(0,0,0,.1);--shadow-lg:0 8px 30px rgba(0,0,0,.12);--font-body:'DM Sans',-apple-system,sans-serif;--font-mono:'Space Mono',monospace}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}html{font-size:15px}body{font-family:var(--font-body);color:var(--n-800);background:var(--n-50);line-height:1.6;-webkit-font-smoothing:antialiased}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}input,select,textarea,button{font-family:inherit;font-size:inherit}button{cursor:pointer}
.app-layout{display:flex;min-height:100vh}
.sidebar{position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-w);z-index:100;background:linear-gradient(175deg,var(--g-900) 0%,var(--g-700) 100%);display:flex;flex-direction:column;transition:transform .3s ease}
.sidebar-brand{display:flex;align-items:center;gap:12px;padding:24px 24px 20px;font-size:1.35rem;font-weight:700;color:var(--n-0)}
.sidebar-brand i{font-size:1.5rem;color:var(--g-300)}
.sidebar-nav{flex:1;padding:8px 12px;display:flex;flex-direction:column;gap:2px}
.nav-item{display:flex;align-items:center;gap:12px;padding:11px 16px;border-radius:var(--radius-sm);color:var(--g-200);font-weight:500;font-size:.93rem;transition:all .2s;text-decoration:none}
.nav-item:hover{background:rgba(255,255,255,.1);color:var(--n-0);text-decoration:none}
.nav-item.active{background:rgba(255,255,255,.15);color:var(--n-0)}
.nav-item i{width:20px;text-align:center;font-size:1rem}
.nav-divider{height:1px;background:rgba(255,255,255,.12);margin:12px 16px}
.sidebar-footer{padding:16px;border-top:1px solid rgba(255,255,255,.1)}
.user-info{display:flex;align-items:center;gap:10px;margin-bottom:8px}
.user-avatar{width:36px;height:36px;border-radius:50%;background:var(--g-500);color:var(--n-0);display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.85rem;text-transform:uppercase}
.user-details{display:flex;flex-direction:column}
.user-name{color:var(--n-0);font-weight:600;font-size:.85rem}
.user-role{color:var(--g-300);font-size:.75rem;text-transform:capitalize}
.logout-btn{margin-top:4px;font-size:.85rem}
.main-content{margin-left:var(--sidebar-w);flex:1;display:flex;flex-direction:column;min-height:100vh}
.topbar{height:var(--topbar-h);background:var(--n-0);border-bottom:1px solid var(--n-200);display:flex;align-items:center;gap:16px;padding:0 28px;position:sticky;top:0;z-index:50}
.page-title{font-size:1.15rem;font-weight:600;color:var(--n-800)}
.topbar-actions{margin-left:auto;display:flex;gap:10px}
.menu-toggle{display:none;background:none;border:none;font-size:1.25rem;color:var(--n-600)}
.content-area{flex:1;padding:28px}
.flash-container{display:flex;flex-direction:column;gap:8px;margin-bottom:20px}
.flash{padding:12px 18px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:space-between;font-size:.9rem;font-weight:500;animation:flashIn .3s ease}
@keyframes flashIn{from{opacity:0;transform:translateY(-8px)}}
.flash-success{background:var(--g-50);color:var(--g-800);border:1px solid var(--g-200)}
.flash-danger{background:#fef2f2;color:#991b1b;border:1px solid #fecaca}
.flash-warning{background:#fffbeb;color:#92400e;border:1px solid #fde68a}
.flash-info{background:#eff6ff;color:#1e40af;border:1px solid #bfdbfe}
.flash-close{background:none;border:none;font-size:1.25rem;color:inherit;opacity:.6;cursor:pointer}
.card{background:var(--n-0);border-radius:var(--radius);border:1px solid var(--n-200);box-shadow:var(--shadow-sm)}
.card-header{padding:18px 22px;border-bottom:1px solid var(--n-100);display:flex;align-items:center;justify-content:space-between}
.card-header h2{font-size:1.05rem;font-weight:600}
.card-body{padding:22px}
.card-footer{padding:14px 22px;border-top:1px solid var(--n-100)}
.metrics-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-bottom:24px}
.metric-card{background:var(--n-0);border-radius:var(--radius);border:1px solid var(--n-200);padding:20px 22px;display:flex;align-items:center;gap:16px;box-shadow:var(--shadow-sm);transition:transform .2s,box-shadow .2s}
.metric-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md)}
.metric-icon{width:48px;height:48px;border-radius:var(--radius);display:flex;align-items:center;justify-content:center;font-size:1.25rem}
.metric-icon.green{background:var(--g-100);color:var(--g-600)}
.metric-icon.blue{background:#dbeafe;color:#2563eb}
.metric-icon.amber{background:#fef3c7;color:#d97706}
.metric-icon.purple{background:#f3e8ff;color:#7c3aed}
.metric-icon.rose{background:#ffe4e6;color:#e11d48}
.metric-value{font-size:1.75rem;font-weight:700;color:var(--n-900);line-height:1.1}
.metric-label{font-size:.82rem;color:var(--n-500);font-weight:500}
.btn{display:inline-flex;align-items:center;gap:8px;padding:9px 18px;border-radius:var(--radius-sm);font-weight:600;font-size:.88rem;border:1px solid transparent;transition:all .2s;text-decoration:none;white-space:nowrap}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--primary);color:var(--n-0)}
.btn-primary:hover{background:var(--g-700)}
.btn-secondary{background:var(--n-0);color:var(--n-700);border-color:var(--n-300)}
.btn-secondary:hover{background:var(--n-50)}
.btn-danger{background:var(--danger);color:var(--n-0)}
.btn-danger:hover{background:#dc2626}
.btn-sm{padding:6px 12px;font-size:.82rem}
.btn-ghost{background:none;color:var(--n-600);border:none}
.btn-ghost:hover{background:var(--n-100)}
.form-group{margin-bottom:18px}
.form-label{display:block;font-weight:600;font-size:.88rem;color:var(--n-700);margin-bottom:6px}
.form-input,.form-select,.form-textarea{width:100%;padding:10px 14px;border-radius:var(--radius-sm);border:1px solid var(--n-300);background:var(--n-0);color:var(--n-800);transition:border-color .2s,box-shadow .2s;font-size:.93rem}
.form-input:focus,.form-select:focus,.form-textarea:focus{outline:none;border-color:var(--g-400);box-shadow:0 0 0 3px rgba(34,197,94,.15)}
.form-textarea{min-height:100px;resize:vertical}
.form-hint{font-size:.78rem;color:var(--n-400);margin-top:4px}
.form-check{display:flex;align-items:center;gap:8px;margin-bottom:8px}
.form-check input[type="checkbox"]{accent-color:var(--primary);width:16px;height:16px}
.form-check label{font-size:.9rem;color:var(--n-700)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.table-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse}
th,td{padding:12px 16px;text-align:left;font-size:.9rem}
th{font-weight:600;color:var(--n-600);background:var(--n-50);border-bottom:2px solid var(--n-200);font-size:.82rem;text-transform:uppercase;letter-spacing:.04em}
td{border-bottom:1px solid var(--n-100)}
tr:hover td{background:var(--g-50)}
.badge{display:inline-flex;padding:3px 10px;border-radius:99px;font-size:.75rem;font-weight:600;text-transform:capitalize}
.badge-draft{background:var(--n-100);color:var(--n-600)}
.badge-in_progress{background:#fef3c7;color:#92400e}
.badge-completed{background:var(--g-100);color:var(--g-700)}
.badge-admin{background:#f3e8ff;color:#7c3aed}
.badge-user{background:#dbeafe;color:#2563eb}
.badge-active{background:var(--g-100);color:var(--g-700)}
.badge-inactive{background:#fecaca;color:#991b1b}
.pagination{display:flex;align-items:center;gap:6px;margin-top:20px;justify-content:center}
.pagination a,.pagination span{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:var(--radius-sm);font-size:.88rem;font-weight:600}
.pagination a{background:var(--n-0);border:1px solid var(--n-200);color:var(--n-600)}
.pagination a:hover{background:var(--g-50);border-color:var(--g-300);text-decoration:none}
.pagination .current{background:var(--primary);color:var(--n-0)}
.pagination .disabled{opacity:.4;pointer-events:none}
.login-page{min-height:100vh;display:grid;grid-template-columns:1fr 1fr;background:linear-gradient(135deg,var(--g-800) 0%,var(--g-600) 50%,var(--g-400) 100%)}
.login-welcome{display:flex;flex-direction:column;justify-content:center;padding:60px;color:var(--n-0)}
.login-welcome .brand{display:flex;align-items:center;gap:14px;margin-bottom:40px}
.login-welcome .brand i{font-size:2.5rem;color:var(--g-300)}
.login-welcome .brand span{font-size:1.8rem;font-weight:700}
.login-welcome h2{font-size:2rem;font-weight:700;line-height:1.25;margin-bottom:16px}
.login-welcome p{font-size:1.05rem;line-height:1.7;color:var(--g-100);margin-bottom:28px}
.login-features{list-style:none;display:flex;flex-direction:column;gap:14px}
.login-features li{display:flex;align-items:flex-start;gap:12px;color:var(--g-100);font-size:.95rem}
.login-features li i{color:var(--g-300);margin-top:4px}
.login-form-panel{display:flex;align-items:center;justify-content:center;padding:40px;background:rgba(255,255,255,.07);backdrop-filter:blur(20px)}
.login-card{width:100%;max-width:420px;background:var(--n-0);border-radius:16px;padding:40px 36px;box-shadow:var(--shadow-lg)}
.login-card h3{font-size:1.4rem;font-weight:700;margin-bottom:6px;color:var(--n-900)}
.login-card .subtitle{font-size:.9rem;color:var(--n-500);margin-bottom:28px}
.login-card .btn-primary{width:100%;justify-content:center;padding:12px;font-size:1rem;margin-top:4px}
.login-links{text-align:center;margin-top:18px;font-size:.88rem}
.login-links a{color:var(--primary);font-weight:600}
.chart-container{position:relative;height:300px;width:100%}
.assistant-layout{display:grid;grid-template-columns:1fr 320px;gap:20px;height:calc(100vh - var(--topbar-h) - 56px)}
.chat-panel{display:flex;flex-direction:column;background:var(--n-0);border-radius:var(--radius);border:1px solid var(--n-200);overflow:hidden}
.chat-messages{flex:1;overflow-y:auto;padding:20px;display:flex;flex-direction:column;gap:16px}
.chat-msg{max-width:85%;padding:12px 16px;border-radius:14px;font-size:.93rem;line-height:1.6;word-wrap:break-word}
.chat-msg.user{background:var(--g-600);color:var(--n-0);align-self:flex-end;border-bottom-right-radius:4px}
.chat-msg.assistant{background:var(--n-100);color:var(--n-800);align-self:flex-start;border-bottom-left-radius:4px}
.chat-msg pre{background:var(--n-800);color:var(--g-300);padding:12px;border-radius:var(--radius-sm);overflow-x:auto;margin:8px 0;font-family:var(--font-mono);font-size:.85rem}
.chat-input-area{display:flex;gap:10px;padding:16px;border-top:1px solid var(--n-200);background:var(--n-50)}
.chat-input-area input{flex:1;padding:12px 16px;border-radius:24px;border:1px solid var(--n-300);background:var(--n-0);font-size:.93rem}
.chat-input-area input:focus{outline:none;border-color:var(--g-400);box-shadow:0 0 0 3px rgba(34,197,94,.12)}
.chat-input-area button{width:44px;height:44px;border-radius:50%;background:var(--primary);color:var(--n-0);border:none;display:flex;align-items:center;justify-content:center;font-size:1rem;transition:background .2s}
.chat-input-area button:hover{background:var(--g-700)}
.context-panel{display:flex;flex-direction:column;gap:12px;overflow-y:auto}
.typing-indicator{display:flex;gap:4px;padding:12px 16px;align-self:flex-start}
.typing-indicator span{width:8px;height:8px;border-radius:50%;background:var(--n-400);animation:typeBounce .6s infinite alternate}
.typing-indicator span:nth-child(2){animation-delay:.2s}
.typing-indicator span:nth-child(3){animation-delay:.4s}
@keyframes typeBounce{to{opacity:.3;transform:translateY(-4px)}}
.search-bar{display:flex;gap:10px;margin-bottom:20px;flex-wrap:wrap;align-items:center}
.search-bar .form-input{max-width:300px}
.search-bar .form-select{max-width:180px}
.file-list{display:flex;flex-direction:column;gap:8px}
.file-item{display:flex;align-items:center;gap:12px;padding:10px 14px;background:var(--n-50);border-radius:var(--radius-sm);border:1px solid var(--n-200)}
.file-item i{color:var(--n-400);font-size:1.1rem}
.file-item .file-name{flex:1;font-size:.9rem;font-weight:500}
.file-item .file-size{font-size:.78rem;color:var(--n-400)}
.version-list{display:flex;flex-direction:column;gap:10px}
.version-item{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;background:var(--n-50);border-radius:var(--radius-sm);border:1px solid var(--n-200);flex-wrap:wrap;gap:10px}
.version-info{display:flex;flex-direction:column}
.version-label{font-weight:600;font-size:.9rem}
.version-date{font-size:.78rem;color:var(--n-400)}
.version-actions{display:flex;gap:6px;flex-wrap:wrap}
.doc-preview{background:var(--n-0);border:1px solid var(--n-200);border-radius:var(--radius);padding:28px 32px;font-size:.95rem;line-height:1.8;max-height:600px;overflow-y:auto;white-space:pre-wrap}
.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:60px 20px;text-align:center;color:var(--n-400)}
.empty-state i{font-size:3rem;margin-bottom:16px;color:var(--n-300)}
.empty-state h3{font-size:1.1rem;color:var(--n-600);margin-bottom:8px}
.empty-state p{font-size:.9rem;max-width:360px;margin-bottom:20px}
.ai-search-box{display:flex;gap:10px;margin-bottom:20px}
.ai-search-box input{flex:1}
.ai-search-result{background:var(--n-50);border:1px solid var(--n-200);border-radius:var(--radius);padding:20px;margin-bottom:20px;white-space:pre-wrap;font-size:.93rem;line-height:1.7}
@media(max-width:1024px){.assistant-layout{grid-template-columns:1fr}.context-panel{display:none}}
@media(max-width:768px){.sidebar{transform:translateX(-100%)}.sidebar.open{transform:translateX(0)}.main-content{margin-left:0}.menu-toggle{display:block}.content-area{padding:16px}.metrics-grid{grid-template-columns:1fr 1fr}.login-page{grid-template-columns:1fr}.login-welcome{display:none}.form-row{grid-template-columns:1fr}}
@media(max-width:480px){.metrics-grid{grid-template-columns:1fr}}

/* AI PROVIDER SELECTOR */
.ai-provider-selector{padding:0 4px 8px;display:flex;flex-direction:column;gap:4px}
.provider-label{font-size:.75rem;font-weight:600;color:var(--g-300);text-transform:uppercase;letter-spacing:.05em;padding:0 8px 4px;display:flex;align-items:center;gap:6px}
.provider-btn{display:flex;align-items:center;gap:8px;width:100%;padding:8px 12px;border-radius:var(--radius-sm);background:transparent;border:1px solid rgba(255,255,255,.1);color:var(--g-200);font-size:.82rem;font-weight:500;cursor:pointer;transition:all .2s;text-align:left}
.provider-btn:hover{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.2)}
.provider-btn.active{background:rgba(34,197,94,.2);border-color:var(--g-400);color:var(--n-0)}
.provider-btn.active i{color:var(--g-300)}

/* CHAT MESSAGE RICH FORMATTING */
.chat-msg h1,.chat-msg h2,.chat-msg h3,.chat-msg h4{margin:10px 0 6px;line-height:1.3}
.chat-msg h1{font-size:1.15rem}
.chat-msg h2{font-size:1.05rem}
.chat-msg h3{font-size:.98rem}
.chat-msg p{margin:4px 0}
.chat-msg ul,.chat-msg ol{margin:4px 0 4px 20px;padding:0}
.chat-msg li{margin:2px 0}
.chat-msg strong{font-weight:700}
.chat-msg em{font-style:italic}
.chat-msg code{font-family:var(--font-mono);font-size:.88em;background:rgba(0,0,0,.1);padding:1px 5px;border-radius:3px}
.chat-msg.assistant code{background:rgba(0,0,0,.06)}
.chat-msg pre{background:var(--n-800);color:var(--g-300);padding:12px;border-radius:var(--radius-sm);overflow-x:auto;margin:8px 0;font-family:var(--font-mono);font-size:.85rem}
.chat-msg pre code{background:none;padding:0;color:inherit}
.chat-msg blockquote{border-left:3px solid var(--n-300);padding-left:12px;margin:8px 0;color:var(--n-500)}
.chat-msg table{border-collapse:collapse;margin:8px 0;font-size:.88rem}
.chat-msg th,.chat-msg td{border:1px solid var(--n-300);padding:4px 8px;text-align:left}
.chat-msg th{background:var(--n-100);font-weight:600}