:root{--bg:#f5f7fb;--card:#fff;--text:#1f2937;--muted:#6b7280;--line:#e5e7eb;--primary:#1d4ed8;--danger:#dc2626;--ok:#15803d;--warn:#b45309}*{box-sizing:border-box}body{margin:0;font-family:Arial,Helvetica,sans-serif;background:var(--bg);color:var(--text)}a{color:inherit}.layout{display:flex;min-height:100vh}.sidebar{width:260px;background:#0f172a;color:#fff;padding:22px;position:fixed;top:0;bottom:0}.brand{display:flex;gap:12px;align-items:center;margin-bottom:30px}.brand-mark{background:#2563eb;border-radius:12px;width:48px;height:48px;display:grid;place-items:center;font-weight:700}.brand span{display:block;color:#cbd5e1;font-size:13px;margin-top:3px}.sidebar nav a{display:block;text-decoration:none;padding:12px 14px;border-radius:10px;color:#e5e7eb;margin:4px 0}.sidebar nav a:hover{background:#1e293b}.main{margin-left:260px;width:calc(100% - 260px);padding:28px}.topbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:22px}.topbar h1{margin:0 0 6px}.card{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px;box-shadow:0 2px 10px rgba(15,23,42,.04);margin-bottom:18px}.grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.stat h3{margin:0;font-size:28px}.stat p{margin:6px 0 0;color:var(--muted)}.btn{display:inline-block;background:var(--primary);color:#fff;border:0;border-radius:10px;padding:10px 14px;text-decoration:none;cursor:pointer;font-weight:600}.btn.secondary{background:#64748b}.btn.danger{background:var(--danger)}.btn.light{background:#e5e7eb;color:#111827}.table{width:100%;border-collapse:collapse;background:#fff;border-radius:12px;overflow:hidden}.table th,.table td{padding:12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}.table th{background:#f8fafc;font-size:13px;color:#475569}.badge{display:inline-block;padding:4px 8px;border-radius:999px;font-size:12px;font-weight:700}.badge.published,.badge.active{background:#dcfce7;color:#166534}.badge.draft{background:#fef3c7;color:#92400e}.badge.archived,.badge.inactive{background:#fee2e2;color:#991b1b}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}.field{margin-bottom:14px}.field label{display:block;font-weight:700;margin-bottom:6px}.field input,.field select,.field textarea{width:100%;padding:11px;border:1px solid #cbd5e1;border-radius:10px;font:inherit;background:#fff}.field textarea{min-height:110px}.actions{display:flex;gap:8px;flex-wrap:wrap}.muted{color:var(--muted)}.alert{padding:12px 14px;border-radius:10px;margin-bottom:16px}.alert.ok{background:#dcfce7;color:#166534}.alert.err{background:#fee2e2;color:#991b1b}.login-wrap{max-width:430px;margin:9vh auto}.login-card{background:#fff;border-radius:18px;padding:28px;box-shadow:0 20px 60px rgba(15,23,42,.15)}.login-logo{text-align:center;margin-bottom:22px}.code{background:#0f172a;color:#e2e8f0;border-radius:12px;padding:14px;overflow:auto}.chat-box{border:1px solid var(--line);border-radius:14px;background:#fff;padding:16px;max-width:720px}.chat-answer{background:#f1f5f9;border-radius:12px;padding:12px;margin-top:12px;white-space:pre-wrap}@media(max-width:900px){.sidebar{position:relative;width:100%;bottom:auto}.layout{display:block}.main{margin-left:0;width:100%}.grid,.form-row{grid-template-columns:1fr}}

/* Phase 2.6 UI polish: collapsible sidebar + readable wide tables */
.sidebar-toggle{position:absolute;top:18px;right:16px;width:34px;height:34px;border:0;border-radius:10px;background:#1e293b;color:#fff;font-size:18px;cursor:pointer;display:grid;place-items:center}
.sidebar-toggle:hover{background:#334155}.sidebar{transition:width .2s ease,padding .2s ease}.main{transition:margin-left .2s ease,width .2s ease}.brand strong,.brand span,.sidebar nav a{transition:opacity .15s ease}body.sidebar-collapsed .sidebar{width:86px;padding:22px 14px}body.sidebar-collapsed .main{margin-left:86px;width:calc(100% - 86px)}body.sidebar-collapsed .brand{justify-content:center;margin-top:34px}body.sidebar-collapsed .brand div:last-child{display:none}body.sidebar-collapsed .sidebar nav a{font-size:0;text-align:center;padding:13px 10px}body.sidebar-collapsed .sidebar nav a::first-letter{font-size:18px}body.sidebar-collapsed .sidebar nav a::before{font-size:18px}body.sidebar-collapsed .sidebar nav a[href*="dashboard"]::before{content:"🏠"}body.sidebar-collapsed .sidebar nav a[href*="knowledge"]::before{content:"📚"}body.sidebar-collapsed .sidebar nav a[href*="categories"]::before{content:"🏷️"}body.sidebar-collapsed .sidebar nav a[href*="chatbot-control"]::before{content:"⚙️"}body.sidebar-collapsed .sidebar nav a[href*="analytics"]::before{content:"📊"}body.sidebar-collapsed .sidebar nav a[href*="api-test"]::before{content:"🧪"}body.sidebar-collapsed .sidebar nav a[href*="logout"]::before{content:"↩"}
.table-scroll{width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch;border-radius:12px}.table-scroll .table{min-width:1100px}.table.compact th,.table.compact td{padding:10px 12px}.kms-table{min-width:1450px;table-layout:fixed}.kms-table th:nth-child(1),.kms-table td:nth-child(1){width:150px}.kms-table th:nth-child(2),.kms-table td:nth-child(2){width:300px}.kms-table th:nth-child(3),.kms-table td:nth-child(3){width:110px}.kms-table th:nth-child(4),.kms-table td:nth-child(4){width:150px}.kms-table th:nth-child(5),.kms-table td:nth-child(5){width:160px}.kms-table th:nth-child(6),.kms-table td:nth-child(6){width:430px}.kms-table th:nth-child(7),.kms-table td:nth-child(7){width:170px}.cell-id{font-family:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,monospace;font-size:12px;line-height:1.35;word-break:break-word;color:#334155}.cell-title{line-height:1.35}.cell-preview{line-height:1.45;color:var(--muted)}.nowrap{white-space:nowrap}.btn.small{padding:8px 10px;border-radius:9px;font-size:13px}.pill{display:inline-block;padding:5px 9px;border-radius:999px;font-size:12px;font-weight:700}.pill.active{background:#dcfce7;color:#166534}.pill.inactive{background:#fee2e2;color:#991b1b}.source-ref{max-width:260px;word-break:break-all;font-size:12px}@media(max-width:900px){body.sidebar-collapsed .main,.main{margin-left:0;width:100%}body.sidebar-collapsed .sidebar{width:100%;padding:18px}.sidebar-toggle{display:none}.table-scroll .table{min-width:980px}}


/* Phase 2.7 stronger sidebar collapse fix */
.sidebar-toggle{position:absolute!important;top:18px!important;right:16px!important;width:36px!important;height:36px!important;border:0!important;border-radius:10px!important;background:#2563eb!important;color:#fff!important;font-size:20px!important;line-height:1!important;cursor:pointer!important;display:flex!important;align-items:center!important;justify-content:center!important;z-index:20!important;box-shadow:0 6px 14px rgba(0,0,0,.18)!important}
.sidebar-toggle:hover{background:#1d4ed8!important}
.layout.sidebar-collapsed .sidebar, body.sidebar-collapsed .sidebar{width:86px!important;padding:22px 14px!important;overflow:hidden!important}
.layout.sidebar-collapsed .main, body.sidebar-collapsed .main{margin-left:86px!important;width:calc(100% - 86px)!important}
.layout.sidebar-collapsed .brand, body.sidebar-collapsed .brand{justify-content:center!important;margin-top:44px!important;margin-bottom:26px!important}
.layout.sidebar-collapsed .brand div:last-child, body.sidebar-collapsed .brand div:last-child{display:none!important}
.layout.sidebar-collapsed .sidebar nav a, body.sidebar-collapsed .sidebar nav a{font-size:0!important;text-align:center!important;padding:13px 10px!important;min-height:44px!important}
.layout.sidebar-collapsed .sidebar nav a::before, body.sidebar-collapsed .sidebar nav a::before{font-size:20px!important;line-height:1!important}
.layout.sidebar-collapsed .sidebar nav a[href*="dashboard"]::before, body.sidebar-collapsed .sidebar nav a[href*="dashboard"]::before{content:"🏠"}
.layout.sidebar-collapsed .sidebar nav a[href*="knowledge"]::before, body.sidebar-collapsed .sidebar nav a[href*="knowledge"]::before{content:"📚"}
.layout.sidebar-collapsed .sidebar nav a[href*="categories"]::before, body.sidebar-collapsed .sidebar nav a[href*="categories"]::before{content:"🏷️"}
.layout.sidebar-collapsed .sidebar nav a[href*="chatbot-control"]::before, body.sidebar-collapsed .sidebar nav a[href*="chatbot-control"]::before{content:"⚙️"}
.layout.sidebar-collapsed .sidebar nav a[href*="analytics"]::before, body.sidebar-collapsed .sidebar nav a[href*="analytics"]::before{content:"📊"}
.layout.sidebar-collapsed .sidebar nav a[href*="api-test"]::before, body.sidebar-collapsed .sidebar nav a[href*="api-test"]::before{content:"🧪"}
.layout.sidebar-collapsed .sidebar nav a[href*="logout"]::before, body.sidebar-collapsed .sidebar nav a[href*="logout"]::before{content:"↩"}
@media(max-width:900px){.sidebar-toggle{display:flex!important;position:absolute!important}.layout.sidebar-collapsed .sidebar,body.sidebar-collapsed .sidebar{width:86px!important;position:fixed!important}.layout.sidebar-collapsed .main,body.sidebar-collapsed .main{margin-left:86px!important;width:calc(100% - 86px)!important}.sidebar{position:fixed!important;width:260px!important}.main{margin-left:260px!important;width:calc(100% - 260px)!important}}

/* Phase 2.8 sidebar cache-buster rules are also injected inline in header.php */


/* Phase 2.9 guaranteed checkbox sidebar collapse - no onclick dependency */
.sidebar-state{position:absolute!important;left:-9999px!important;width:1px!important;height:1px!important;opacity:0!important;pointer-events:none!important}
.sidebar-state:checked ~ .layout .sidebar{width:86px!important;min-width:86px!important;max-width:86px!important;padding:22px 14px!important;overflow:hidden!important}
.sidebar-state:checked ~ .layout .main{margin-left:86px!important;width:calc(100% - 86px)!important}
.sidebar-state:checked ~ .layout .brand{justify-content:center!important;margin-top:44px!important;margin-bottom:26px!important}
.sidebar-state:checked ~ .layout .brand .brand-text{display:none!important}
.sidebar-state:checked ~ .layout .sidebar nav a{font-size:0!important;text-align:center!important;padding:13px 10px!important;min-height:44px!important;display:flex!important;align-items:center!important;justify-content:center!important}
.sidebar-state:checked ~ .layout .sidebar nav a::before{font-size:20px!important;line-height:1!important}
.sidebar-state:checked ~ .layout .sidebar nav a[href*="dashboard"]::before{content:"🏠"}
.sidebar-state:checked ~ .layout .sidebar nav a[href*="knowledge"]::before{content:"📚"}
.sidebar-state:checked ~ .layout .sidebar nav a[href*="categories"]::before{content:"🏷️"}
.sidebar-state:checked ~ .layout .sidebar nav a[href*="chatbot-control"]::before{content:"⚙️"}
.sidebar-state:checked ~ .layout .sidebar nav a[href*="analytics"]::before{content:"📊"}
.sidebar-state:checked ~ .layout .sidebar nav a[href*="api-test"]::before{content:"🧪"}
.sidebar-state:checked ~ .layout .sidebar nav a[href*="logout"]::before{content:"↩"}
.sidebar-toggle{user-select:none!important;text-decoration:none!important}
.sidebar-state:checked ~ .layout .sidebar .sidebar-toggle{right:25px!important}
@media(max-width:900px){.sidebar-state:checked ~ .layout .sidebar{width:86px!important}.sidebar-state:checked ~ .layout .main{margin-left:86px!important;width:calc(100% - 86px)!important}}