:root{
  --sb-bg:#FFFFFF;
  --sb-accent:#111827;
  --sb-text:#111827;
  --sb-muted:#6B7280;
  --sb-border:#E5E7EB;
  --sb-hover:#F3F4F6;
  --sb-active:#111827;
  --sb-active-bg:#F3F4F6;
}

.app-shell{display:flex;min-height:100vh;background:#F3F4F6;color:#111827}
.sidebar-custom{width:280px;max-width:80vw;background:var(--sb-bg);color:var(--sb-text);display:flex;flex-direction:column;position:sticky;top:0;height:100vh;overflow:hidden;border-right:1px solid var(--sb-border)}
.sidebar-custom.is-collapsed{width:84px}
.sidebar-logo{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:18px 18px;border-bottom:1px solid var(--sb-border)}
.sidebar-logo a{display:flex;align-items:center;gap:10px;color:var(--sb-text);font-weight:900;letter-spacing:.02em;text-decoration:none;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sidebar-logo img{height:28px;max-width:180px;object-fit:contain;filter:drop-shadow(0 2px 10px rgba(0,0,0,.2))}
.sidebar-actions{display:flex;gap:8px}
.sb-btn{height:36px;width:36px;border-radius:12px;border:1px solid var(--sb-border);background:#FFFFFF;color:var(--sb-text);font-weight:800;display:inline-flex;align-items:center;justify-content:center;cursor:pointer}
.sb-btn:hover{background:var(--sb-hover)}

.menu{list-style:none;margin:0;padding:14px 10px;overflow:auto}
.menu-item{margin:6px 0}
.menu-item a{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:14px;color:var(--sb-text);text-decoration:none;transition:background .15s ease,transform .05s ease,border-color .15s ease}
.menu-item a:hover{background:var(--sb-hover)}
.menu-item a:active{transform:translateY(1px)}
.menu-item a.active{background:var(--sb-active-bg);color:var(--sb-active);border:1px solid var(--sb-border)}
.menu-item .icon{width:28px;display:inline-flex;align-items:center;justify-content:center;font-size:18px}
.menu-item .label{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;flex:1}
.menu-item .badge{margin-left:auto;display:inline-flex;align-items:center;justify-content:center;min-width:22px;height:18px;padding:0 6px;border-radius:999px;background:#111827;color:white;font-size:11px;font-weight:800}
.sidebar-custom.is-collapsed .menu-item .label{display:none}
.sidebar-custom.is-collapsed .menu-item .badge{display:none}
.sidebar-custom.is-collapsed .sidebar-logo a span{display:none}
.sidebar-custom.is-collapsed .sidebar-logo img{max-width:36px}

.menu-submenu{list-style:none;margin:8px 0 0 40px;padding:0;display:none}
.menu-submenu.is-open{display:block}
.menu-submenu li a{padding:8px 10px;border-radius:12px;color:var(--sb-muted)}
.menu-submenu li a:hover{background:var(--sb-hover);color:var(--sb-text)}
.menu-submenu li a.active{color:var(--sb-text);background:var(--sb-hover);border:1px solid var(--sb-border)}
.sidebar-custom.is-collapsed .menu-submenu{display:none!important}

.sidebar-footer{margin-top:auto;padding:14px;border-top:1px solid var(--sb-border)}
.user-profile-sidebar{display:flex;align-items:center;gap:10px}
.user-avatar-sidebar{height:38px;width:38px;border-radius:14px;background:#F3F4F6;border:1px solid var(--sb-border);color:var(--sb-text);font-weight:900;display:flex;align-items:center;justify-content:center}
.user-info-sidebar{min-width:0;flex:1}
.user-name-sidebar{font-weight:900;color:var(--sb-text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.user-role-sidebar{font-size:12px;color:var(--sb-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sidebar-custom.is-collapsed .user-info-sidebar{display:none}

.app-main{flex:1;min-width:0;display:flex;flex-direction:column}
.app-header{height:72px;background:white;border-bottom:1px solid #E5E7EB;display:flex;align-items:center;justify-content:space-between;padding:0 18px;position:sticky;top:0;z-index:10}
.app-header .left{display:flex;align-items:center;gap:12px}
.app-header .right{display:flex;align-items:center;gap:12px}
.app-content{flex:1;overflow:auto;padding:18px}

/* Minimal theme overrides for existing Tailwind brand classes */
.bg-brand-blue{background-color:#111827}
.bg-brand-gold{background-color:#111827}
.bg-brand-green{background-color:#111827}
.bg-brand-light{background-color:#F8FAFC}

.text-brand-blue{color:#111827}
.text-brand-gold{color:#FFFFFF}
.text-brand-green{color:#111827}

.border-brand-blue{border-color:#111827}
.border-brand-gold{border-color:#E5E7EB}
.border-brand-green{border-color:#111827}

.hover\:bg-gray-800:hover{background-color:#111827}
.hover\:bg-yellow-500:hover{background-color:#111827}
.hover\:bg-red-700:hover{background-color:#B91C1C}

.focus\:ring-brand-gold:focus{--tw-ring-color:rgba(17,24,39,.35)}
.focus\:ring-brand-blue:focus{--tw-ring-color:rgba(17,24,39,.35)}

html,body{height:100%}
body{background:#F3F4F6;color:#111827}
a{color:inherit}

.bg-yellow-100{background-color:#F3F4F6!important}
.text-yellow-700{color:#111827!important}
.bg-green-100{background-color:#F3F4F6!important}
.text-green-700{color:#111827!important}
.bg-blue-100,.bg-blue-50{background-color:#F3F4F6!important}
.text-blue-600,.text-blue-700,.text-indigo-600,.text-indigo-700{color:#111827!important}
.border-blue-200,.border-blue-300,.border-indigo-200,.border-indigo-300{border-color:#E5E7EB!important}
.focus\:ring-blue-500:focus,.focus\:ring-indigo-500:focus,.focus\:ring-green-500:focus,.focus\:ring-yellow-500:focus{--tw-ring-color:rgba(17,24,39,.35)!important}
.ring-blue-500,.ring-indigo-500,.ring-green-500,.ring-yellow-500{--tw-ring-color:rgba(17,24,39,.35)!important}
.bg-blue-600,.bg-indigo-600,.bg-green-600,.bg-emerald-600,.bg-teal-600,.bg-sky-600,.bg-cyan-600,.bg-yellow-500,.bg-amber-500{background-color:#111827!important}
.hover\:bg-blue-700:hover,.hover\:bg-indigo-700:hover,.hover\:bg-green-700:hover,.hover\:bg-emerald-700:hover,.hover\:bg-teal-700:hover,.hover\:bg-sky-700:hover,.hover\:bg-cyan-700:hover,.hover\:bg-yellow-600:hover,.hover\:bg-amber-600:hover{background-color:#000000!important}

.text-brand-gold\/90{color:rgba(255,255,255,.9)}
.text-brand-gold\/80{color:rgba(255,255,255,.8)}
.border-brand-gold\/40{border-color:rgba(229,231,235,.4)}
.border-brand-gold\/30{border-color:rgba(229,231,235,.3)}
.bg-white\/10{background-color:rgba(255,255,255,.10)}
.hover\:bg-white\/15:hover{background-color:rgba(255,255,255,.15)}