:root { 
  --font-family: 'Inter', sans-serif; --sidebar-width: 260px; --sidebar-collapsed-width: 80px; --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1); 
  --bg-body: #f1f5f9; --bg-card: #ffffff; --text-main: #1e293b; --text-muted: #64748b; --border-color: #e2e8f0;
  --primary-color: #4361ee; --primary-hover: #3a56d4; --table-header-bg: #f8fafc; --table-row-hover: #f1f5f9; 
  --sidebar-bg: #0f172a; --sidebar-text: #94a3b8; --sidebar-hover: #1e293b;
  --input-bg: #ffffff; --input-border: #cbd5e1; --input-text: #0f172a; --input-focus-ring: rgba(67, 97, 238, 0.2); --dash-bg: #f8fafc;
}
body.dark-mode {
  --bg-body: #0b1120; --bg-card: #1e293b; --text-main: #f8fafc; --text-muted: #cbd5e1; --border-color: #334155;
  --table-header-bg: #0f172a; --table-row-hover: #0f172a; --sidebar-bg: #020617; --sidebar-hover: #1e293b;
  --input-bg: #0b1120; --input-border: #334155; --input-text: #f8fafc; --input-focus-ring: rgba(67, 97, 238, 0.4); --dash-bg: #0f172a;
}
body { background-color: var(--bg-body); color: var(--text-main); font-family: var(--font-family); margin: 0; overflow-x: hidden; transition: background-color var(--transition), color var(--transition); letter-spacing: -0.01em; }
.dark-mode .text-dark { color: #f8fafc !important; } .dark-mode .text-muted { color: var(--text-muted) !important; }
.dark-mode .bg-white { background-color: var(--bg-card) !important; } .dark-mode .bg-light { background-color: var(--dash-bg) !important; }
.dark-mode .border-bottom, .dark-mode .border, .dark-mode .border-start { border-color: var(--border-color) !important; }

::-webkit-scrollbar { width: 6px; height: 6px; } ::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 10px; } ::-webkit-scrollbar-thumb:hover { background: #94a3b8; }
.dark-mode ::-webkit-scrollbar-thumb { background: #475569; } .dark-mode ::-webkit-scrollbar-thumb:hover { background: #64748b; }

#loginOverlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: var(--sidebar-bg); z-index: 9999; display: flex; align-items: center; justify-content: center; backdrop-filter: blur(10px); }
.auth-box { background: var(--bg-card); padding: 40px; border-radius: 20px; box-shadow: 0 25px 50px -12px rgba(0,0,0,0.25); width: 100%; max-width: 400px; border: 1px solid var(--border-color); }

.sidebar { width: var(--sidebar-width); height: 100vh; background: var(--sidebar-bg); color: white; position: fixed; left: 0; top: 0; z-index: 1000; transition: width var(--transition); overflow-y: auto; overflow-x: hidden; border-right: 1px solid rgba(255,255,255,0.05); }
.sidebar .brand { padding: 25px 20px; font-weight: 800; font-size: 1.3rem; white-space: nowrap; display: flex; align-items: center; justify-content: space-between; letter-spacing: -0.02em;}
.nav-link { color: var(--sidebar-text); padding: 10px 15px; margin: 4px 12px; border-radius: 10px; cursor: pointer; display: flex; align-items: center; gap: 12px; white-space: nowrap; transition: all 0.2s ease; font-size: 0.95rem; font-weight: 500; }
.nav-link i { font-size: 1.2rem; min-width: 25px; text-align: center; }
.nav-link:hover { background: var(--sidebar-hover); color: #fff; } .nav-link.active { background: var(--primary-color); color: #fff; box-shadow: 0 4px 12px rgba(67, 97, 238, 0.3); }
.sub-link { padding: 8px 15px 8px 48px; font-size: 0.85rem; font-weight: 500; margin-top: 2px; }
.sub-link:hover { background: transparent; color: #fff; } .sub-link.active { background: transparent; color: var(--primary-color); box-shadow: none; font-weight: 700;}
.sidebar.collapsed { width: var(--sidebar-collapsed-width); }
.sidebar.collapsed .brand-text, .sidebar.collapsed .nav-text, .sidebar.collapsed .chevron-icon, .sidebar.collapsed .collapse, .sidebar.collapsed .sidebar-label { display: none !important; }
.sidebar-label { font-size: 0.7rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--sidebar-text); font-weight: 700; opacity: 0.7;}

.main-content { margin-left: var(--sidebar-width); padding: 30px 40px; transition: margin-left var(--transition); min-height: 100vh; display: none; }
.main-content.expanded { margin-left: var(--sidebar-collapsed-width); }
.page-section { display: none; animation: fadeIn 0.4s cubic-bezier(0.16, 1, 0.3, 1); } .page-section.active { display: block; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(15px); } to { opacity: 1; transform: translateY(0); } }

.card { border: 1px solid var(--border-color); border-radius: 16px; box-shadow: 0 4px 6px -1px rgba(0,0,0,0.05), 0 2px 4px -1px rgba(0,0,0,0.03); background-color: var(--bg-card); transition: box-shadow 0.3s ease; margin-bottom: 24px;}
.dash-card { background-color: var(--dash-bg); border-radius: 16px; padding: 20px; display: flex; align-items: center; justify-content: space-between; border: 1px solid var(--border-color); transition: transform 0.2s ease;}
.dash-card:hover { transform: translateY(-2px); }
.dash-icon { width: 50px; height: 50px; border-radius: 14px; display: flex; align-items: center; justify-content: center; font-size: 1.6rem; color: white; box-shadow: 0 4px 10px rgba(0,0,0,0.1);}

.form-control, .form-select, textarea { background-color: var(--input-bg) !important; border-color: var(--input-border) !important; color: var(--input-text) !important; border-radius: 8px; padding: 0.5rem 0.75rem; font-size: 0.9rem; transition: all 0.2s; }
.form-control:focus, .form-select:focus, textarea:focus { border-color: var(--primary-color) !important; box-shadow: 0 0 0 3px var(--input-focus-ring) !important; outline: none; }
.form-control:disabled { opacity: 0.5; cursor: not-allowed; }
.form-control::placeholder, .form-select::placeholder, textarea::placeholder { color: #9ca3af !important; opacity: 1; }
.dark-mode .form-control::placeholder, .dark-mode .form-select::placeholder, .dark-mode textarea::placeholder { color: #64748b !important; opacity: 1; }
.btn { border-radius: 8px; font-weight: 600; padding: 0.5rem 1rem; transition: all 0.2s ease; letter-spacing: 0.01em;}
.btn:hover { transform: translateY(-1px); box-shadow: 0 4px 12px rgba(0,0,0,0.1); } .btn:active { transform: translateY(0); }

.table-container { max-height: calc(100vh - 230px); overflow: auto; position: relative; border-radius: 16px; width: 100%;}
.dark-mode table.table { --bs-table-bg: var(--bg-card); --bs-table-color: var(--text-main); --bs-table-border-color: var(--border-color); --bs-table-hover-bg: var(--table-row-hover); --bs-table-hover-color: var(--text-main); }
table.table { table-layout: fixed; width: max-content; min-width: 100%; border-collapse: separate; border-spacing: 0; margin-bottom: 0;}
table.table th { background-color: var(--table-header-bg) !important; color: var(--text-muted) !important; position: sticky; top: 0; z-index: 20; border-bottom: 1px solid var(--border-color) !important; font-size: 0.75rem; padding: 14px 12px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; text-transform: uppercase; font-weight: 700; user-select: none; letter-spacing: 0.05em; backdrop-filter: blur(8px);}
table.table th.sortable { cursor: pointer; transition: background-color 0.2s; } table.table th.sortable:hover { background-color: var(--table-row-hover) !important; color: var(--primary-color) !important; }
table.table td { padding: 10px 12px; border-bottom: 1px solid var(--border-color) !important; font-size: 0.85rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; vertical-align: middle; background-color: var(--bg-card) !important; color: var(--text-main) !important; font-weight: 500; }
table.table tr:hover td { background-color: var(--table-row-hover) !important; } table.table tr:last-child td { border-bottom: none !important; }
table.table tr.row-highlighted td { background-color: rgba(67, 97, 238, 0.08) !important; } .dark-mode table.table tr.row-highlighted td { background-color: rgba(67, 97, 238, 0.15) !important; }
table.table tr:has(.row-checkbox:checked) td { background-color: rgba(46, 204, 113, 0.08) !important; } .dark-mode table.table tr:has(.row-checkbox:checked) td { background-color: rgba(46, 204, 113, 0.15) !important; }

.resizer { position: absolute; right: 0; top: 0; height: 100%; width: 6px; cursor: col-resize; z-index: 25; transition: background-color 0.2s;} 
.resizer:hover, .resizer.active { background: var(--primary-color); opacity: 0.8; border-right: 1px solid rgba(255,255,255,0.3);}
.editable:hover { border: 1px dashed var(--primary-color) !important; cursor: cell; background-color: var(--table-row-hover) !important; }
.editing-input { width: 100%; border: 1px solid var(--primary-color) !important; padding: 4px 8px; border-radius: 6px; outline: none; background-color: var(--input-bg) !important; color: var(--input-text) !important; box-shadow: 0 0 0 2px var(--input-focus-ring);}

.context-menu { display: none; position: absolute; z-index: 2000; background-color: var(--bg-card); border: 1px solid var(--border-color); border-radius: 12px; box-shadow: 0 10px 25px -5px rgba(0,0,0,0.1); min-width: 220px; padding: 8px 0; overflow: hidden;}
.context-menu-item { padding: 10px 16px; cursor: pointer; font-size: 0.85rem; font-weight: 500; color: var(--text-main); display: flex; align-items: center; gap: 12px; transition: background-color 0.2s;}
.context-menu-item:hover { background-color: var(--table-row-hover); color: var(--primary-color); } .context-menu-divider { height: 1px; background-color: var(--border-color); margin: 6px 0; }

.bulk-action-bar { display: none; background-color: var(--bg-card) !important; border: 1px solid var(--primary-color); padding: 12px 24px; border-radius: 50px; margin-bottom: 20px; box-shadow: 0 10px 25px -5px var(--input-focus-ring); align-items: center; justify-content: space-between; animation: fadeIn 0.3s ease-out;}
.column-menu { display: none; position: absolute; right: 0; top: 110%; background-color: var(--bg-card) !important; border: 1px solid var(--border-color); border-radius: 12px; padding: 12px; z-index: 1050; box-shadow: 0 20px 25px -5px rgba(0,0,0,0.1); min-width: 220px; max-height: 350px; overflow-y: auto;}
.hidden-col { display: none !important; }

.btn-theme-toggle { border-radius: 50%; width: 38px; height: 38px; display: flex; align-items: center; justify-content: center; border: 1px solid var(--border-color); background: var(--bg-card); color: var(--text-main); cursor: pointer; transition: all 0.3s; }
.dark-mode .btn-theme-toggle { color: #f8fafc; } .btn-theme-toggle:hover { background: var(--table-row-hover); transform: rotate(15deg); }

.badge-live, .badge-ok, .badge-success { background-color: rgba(46, 204, 113, 0.15); color: #27ae60; border: 1px solid rgba(46, 204, 113, 0.3); padding: 4px 12px; border-radius: 50px; font-weight: 700; display: inline-block; font-size: 0.75rem; letter-spacing: 0.02em;}
.dark-mode .badge-live { color: #2ecc71; }
.badge-die, .badge-error, .badge-cp { background-color: rgba(231, 76, 60, 0.15); color: #c0392b; border: 1px solid rgba(231, 76, 60, 0.3); padding: 4px 12px; border-radius: 50px; font-weight: 700; display: inline-block; font-size: 0.75rem; letter-spacing: 0.02em;}
.dark-mode .badge-die { color: #e74c3c; }
.badge-sold { background-color: rgba(243, 156, 18, 0.15); color: #d68910; border: 1px solid rgba(243, 156, 18, 0.3); padding: 4px 12px; border-radius: 50px; font-weight: 700; display: inline-block; font-size: 0.75rem; letter-spacing: 0.02em;}
.dark-mode .badge-sold { color: #f1c40f; }

.form-check-input { width: 1.1em; height: 1.1em; cursor: pointer; } .form-check-input:checked { background-color: var(--primary-color); border-color: var(--primary-color); }
.modal-content { border-radius: 16px; border: 1px solid var(--border-color); overflow: hidden; background-color: var(--bg-card); color: var(--text-main);}
.modal-header { border-bottom: 1px solid var(--border-color); padding: 1rem 1.5rem; } .modal-footer { border-top: 1px solid var(--border-color); padding: 1rem 1.5rem; background-color: var(--table-header-bg); }