:root{--bg-primary:#0d1117;--bg-secondary:#161b22;--bg-card:#1c2230;--bg-elevated:#21262d;--bg-hover:#2d3748;--accent:#3b82f6;--accent-light:#60a5fa;--accent-dark:#2563eb;--accent-glow:#3b82f640;--success:#10b981;--success-bg:#10b9811a;--warning:#f59e0b;--warning-bg:#f59e0b1a;--danger:#ef4444;--danger-bg:#ef44441a;--info:#06b6d4;--info-bg:#06b6d41a;--text-primary:#f0f6fc;--text-secondary:#8b949e;--text-muted:#484f58;--border:#ffffff14;--border-active:#3b82f680;--shadow-sm:0 1px 3px #0006;--shadow-md:0 4px 12px #00000080;--shadow-lg:0 8px 32px #0009}body.light-mode{--bg-primary:#f0f4f8;--bg-secondary:#fff;--bg-card:#fff;--bg-elevated:#f1f5f9;--bg-hover:#e2e8f0;--accent:#2563eb;--accent-light:#3b82f6;--accent-dark:#1d4ed8;--accent-glow:#2563eb26;--success:#059669;--success-bg:#05966914;--warning:#d97706;--warning-bg:#d9770614;--danger:#dc2626;--danger-bg:#dc262614;--info:#0891b2;--info-bg:#0891b214;--text-primary:#000;--text-secondary:#0f172a;--text-muted:#1e293b;--border:#cbd5e1;--border-active:#2563eb66;--shadow-sm:0 1px 3px #00000014;--shadow-md:0 4px 12px #0000001a;--shadow-lg:0 8px 32px #0000001f}:root{--sidebar-width:260px;--header-height:60px;--radius-sm:6px;--radius-md:10px;--radius-lg:16px;--radius-xl:24px;--shadow-glow:0 0 20px var(--accent-glow);--transition:all .2s cubic-bezier(.4, 0, .2, 1);--font:"Cairo", "IBM Plex Sans Arabic", sans-serif}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;direction:rtl;font-size:14px}body{font-family:var(--font);background-color:var(--bg-primary);color:var(--text-primary);min-height:100vh;line-height:1.6;transition:background-color .3s,color .3s;overflow-x:hidden}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:var(--bg-secondary)}::-webkit-scrollbar-thumb{background:var(--bg-elevated);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}h1,h2,h3,h4,h5,h6{color:var(--text-primary);font-weight:700;line-height:1.3}h1{font-size:1.8rem}h2{font-size:1.4rem}h3{font-size:1.2rem}h4{font-size:1rem}a{color:var(--accent-light);text-decoration:none}a:hover{color:var(--accent)}.app-layout{min-height:100vh;display:flex}.main-area{min-width:0;margin-right:var(--sidebar-width);flex-direction:column;flex:1;transition:margin-right .3s;display:flex}.main-area.sidebar-closed{margin-right:60px}.page-content{margin-top:var(--header-height);min-height:calc(100vh - var(--header-height));flex:1;padding:24px;overflow-y:auto}.sidebar{width:var(--sidebar-width);background:var(--bg-secondary);border-left:1px solid var(--border);z-index:100;flex-direction:column;height:100vh;transition:width .3s;display:flex;position:fixed;top:0;right:0;overflow:hidden}.sidebar.collapsed{width:60px}.sidebar-logo{border-bottom:1px solid var(--border);min-height:var(--header-height);align-items:center;gap:12px;padding:16px;display:flex}.sidebar-logo-icon{background:linear-gradient(135deg, var(--accent), var(--accent-dark));border-radius:var(--radius-md);color:#fff;width:36px;height:36px;box-shadow:var(--shadow-glow);flex-shrink:0;justify-content:center;align-items:center;font-size:18px;font-weight:800;display:flex}.sidebar-logo-text{flex:1;min-width:0}.sidebar-logo-text h1{white-space:nowrap;text-overflow:ellipsis;font-size:.95rem;font-weight:700;overflow:hidden}.sidebar-logo-text span{color:var(--text-secondary);font-size:.72rem}.sidebar-nav{flex:1;padding:8px 0;overflow:hidden auto}.nav-section{margin-bottom:4px}.nav-section-title{color:var(--text-muted);text-transform:uppercase;letter-spacing:.08em;white-space:nowrap;padding:10px 16px 4px;font-size:.65rem;font-weight:700;overflow:hidden}.nav-item{cursor:pointer;color:var(--text-secondary);transition:var(--transition);white-space:nowrap;border-right:3px solid #0000;border-radius:8px;align-items:center;gap:10px;margin:2px 8px;padding:10px 14px;font-size:.88rem;font-weight:600;display:flex}.nav-item:hover{background:var(--bg-hover);color:var(--text-primary);transform:translate(-2px)}.nav-item.active{background:var(--accent-glow);color:var(--accent-light);border-right-color:var(--accent);box-shadow:0 4px 12px #3b82f614}.nav-item-icon{flex-shrink:0;justify-content:center;align-items:center;width:20px;height:20px;display:flex}.nav-item-label{flex:1;transition:opacity .2s}.sidebar.collapsed .nav-item-label,.sidebar.collapsed .nav-section-title,.sidebar.collapsed .sidebar-logo-text{opacity:0;pointer-events:none}.header{top:0;left:0;right:var(--sidebar-width);height:var(--header-height);background:var(--bg-secondary);border-bottom:1px solid var(--border);z-index:90;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);justify-content:space-between;align-items:center;padding:0 20px;transition:right .3s;display:flex;position:fixed}.header.sidebar-closed{right:60px}.header-left,.header-right{align-items:center;gap:12px;display:flex}.header-title{color:var(--text-primary);font-size:1rem;font-weight:600}.header-subtitle{color:var(--text-secondary);font-size:.75rem}.icon-btn{border-radius:var(--radius-sm);border:1px solid var(--border);width:36px;height:36px;color:var(--text-secondary);cursor:pointer;transition:var(--transition);background:0 0;justify-content:center;align-items:center;display:flex}.icon-btn:hover{background:var(--bg-hover);color:var(--text-primary);border-color:var(--border-active)}.card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);transition:var(--transition);padding:20px;box-shadow:0 4px 20px #00000005}.card:hover{border-color:var(--accent-light);box-shadow:0 10px 30px var(--accent-glow);transform:translateY(-2px)}.card-header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;margin-bottom:16px;padding-bottom:16px;display:flex}.card-title{align-items:center;gap:8px;font-size:1rem;font-weight:700;display:flex}.stats-grid{grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px;margin-bottom:24px;display:grid}.stat-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);transition:var(--transition);cursor:default;align-items:center;gap:16px;padding:20px;display:flex;box-shadow:0 4px 15px #00000003}.stat-card:hover{border-color:var(--accent-light);box-shadow:0 10px 25px var(--accent-glow);transform:translateY(-3px)}.stat-icon{border-radius:var(--radius-md);flex-shrink:0;justify-content:center;align-items:center;width:52px;height:52px;display:flex;box-shadow:0 4px 10px #0000000d}.stat-icon.blue{color:var(--accent-light);background:#3b82f626}.stat-icon.green{background:var(--success-bg);color:var(--success)}.stat-icon.amber{background:var(--warning-bg);color:var(--warning)}.stat-icon.red{background:var(--danger-bg);color:var(--danger)}.stat-icon.cyan{background:var(--info-bg);color:var(--info)}.stat-icon.purple{color:#a78bfa;background:#a78bfa26}.stat-info{flex:1;min-width:0}.stat-value{color:var(--text-primary);font-size:1.5rem;font-weight:800;line-height:1}.stat-label{color:var(--text-secondary);margin-top:4px;font-size:.78rem;font-weight:600}.stat-change{margin-top:4px;font-size:.72rem;font-weight:700}.stat-change.up{color:var(--success)}.stat-change.down{color:var(--danger)}.btn{border-radius:var(--radius-md);cursor:pointer;transition:var(--transition);font-size:.85rem;font-weight:700;font-family:var(--font);white-space:nowrap;border:none;align-items:center;gap:6px;padding:9px 18px;display:inline-flex}.btn-primary{background:linear-gradient(135deg, var(--accent), var(--accent-dark));color:#fff;box-shadow:0 4px 12px var(--accent-glow)}.btn-primary:hover{box-shadow:0 6px 20px var(--accent-glow);transform:translateY(-2px)}.btn-secondary{background:var(--bg-elevated);color:var(--text-primary);border:1px solid var(--border)}.btn-secondary:hover{background:var(--bg-hover);border-color:var(--border-active);transform:translateY(-1px)}.btn-success{background:linear-gradient(135deg, var(--success), #059669);color:#fff;box-shadow:0 4px 12px #10b98133}.btn-success:hover{transform:translateY(-2px);box-shadow:0 6px 20px #10b9814d}.btn-danger{background:linear-gradient(135deg, var(--danger), #dc2626);color:#fff;box-shadow:0 4px 12px #ef444433}.btn-danger:hover{transform:translateY(-2px);box-shadow:0 6px 20px #ef44444d}.btn-warning{background:linear-gradient(135deg, var(--warning), #d97706);color:#fff;box-shadow:0 4px 12px #f59e0b33}.btn-warning:hover{transform:translateY(-2px);box-shadow:0 6px 20px #f59e0b4d}.btn-ghost{color:var(--text-secondary);background:0 0;border:1px solid #0000}.btn-ghost:hover{background:var(--bg-hover);color:var(--text-primary);border-color:var(--border)}.btn-sm{padding:6px 12px;font-size:.78rem}.btn-lg{padding:11px 26px;font-size:.95rem}.btn:disabled{opacity:.5;cursor:not-allowed;box-shadow:none!important;transform:none!important}.table-container{border-radius:var(--radius-lg);border:1px solid var(--border);background:var(--bg-card);overflow-x:auto;box-shadow:0 4px 15px #00000003}table{border-collapse:collapse;width:100%;font-size:.85rem}thead tr{background:var(--bg-elevated)}thead th{text-align:right;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.05em;white-space:nowrap;border-bottom:2px solid var(--border);padding:14px 16px;font-size:.78rem;font-weight:800}tbody tr{border-bottom:1px solid var(--border);transition:var(--transition)}tbody 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1fr;gap:16px;display:grid}.modal-overlay{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:1000;background:#000000b3;justify-content:center;align-items:center;padding:20px;animation:.15s fadeIn;display:flex;position:fixed;inset:0}.modal-box{-webkit-backdrop-filter:blur(25px)saturate(180%);border-radius:var(--radius-xl);width:100%;max-width:640px;max-height:90vh;box-shadow:var(--shadow-lg), 0 20px 50px #0000004d;background:#1c2230d9;border:1px solid #ffffff1f;flex-direction:column;animation:.3s cubic-bezier(.16,1,.3,1) slideUp;display:flex}body.light-mode .modal-box{background:#ffffffeb;border:1px solid #0000001a}.modal-box.modal-lg{max-width:900px}.modal-box.modal-xl{max-width:1100px}.modal-box.modal-sm{max-width:440px}.modal-header{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:20px 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#a78bfa33}.badge-gray{color:var(--text-secondary);background:#8b949e1a;border:1px solid #8b949e26}.page-header{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin-bottom:24px;display:flex}.page-header-left h2{align-items:center;gap:10px;font-size:1.3rem;font-weight:800;display:flex}.page-header-left p{color:var(--text-secondary);margin-top:2px;font-size:.82rem}.page-header-actions{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.search-bar{background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius-md);transition:var(--transition);align-items:center;gap:0;display:flex;overflow:hidden}.search-bar:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow)}.search-bar-icon{color:var(--text-muted);align-items:center;padding:0 10px;display:flex}.search-bar input{color:var(--text-primary);font-size:.88rem;font-family:var(--font);direction:rtl;background:0 0;border:none;outline:none;flex:1;min-width:200px;padding:8px 4px}.search-bar input::placeholder{color:var(--text-muted)}.login-page{background:radial-gradient(ellipse at 60% 40%, #3b82f614, transparent 60%), radial-gradient(ellipse at 20% 80%, #10b9810d, transparent 60%), var(--bg-primary);justify-content:center;align-items:center;min-height:100vh;display:flex}.login-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-xl);width:100%;max-width:420px;box-shadow:var(--shadow-lg);padding:40px}.login-logo{text-align:center;margin-bottom:32px}.login-logo-icon{background:linear-gradient(135deg, var(--accent), var(--accent-dark));color:#fff;width:64px;height:64px;box-shadow:0 8px 32px var(--accent-glow);border-radius:20px;justify-content:center;align-items:center;margin-bottom:16px;font-size:28px;font-weight:800;display:inline-flex}.login-logo h2{font-size:1.4rem;font-weight:800}.login-logo p{color:var(--text-secondary);margin-top:4px;font-size:.82rem}.charts-grid{grid-template-columns:1fr 1fr;gap:16px;margin-bottom:24px;display:grid}.chart-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:20px}.tabs{background:var(--bg-elevated);border-radius:var(--radius-md);border:1px solid var(--border);gap:4px;margin-bottom:20px;padding:4px;display:flex}.tab{border-radius:var(--radius-sm);color:var(--text-secondary);cursor:pointer;transition:var(--transition);font-size:.85rem;font-weight:600;font-family:var(--font);text-align:center;background:0 0;border:none;flex:1;padding:8px 16px}.tab:hover{color:var(--text-primary)}.tab.active{background:var(--bg-card);color:var(--accent-light);box-shadow:var(--shadow-sm)}.toast-container{z-index:2000;flex-direction:column;gap:8px;display:flex;position:fixed;bottom:24px;left:24px}.toast{background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius-md);min-width:260px;max-width:380px;box-shadow:var(--shadow-lg);align-items:center;gap:10px;padding:12px 16px;font-size:.85rem;animation:.3s slideIn;display:flex}.toast.success{border-right:3px solid var(--success)}.toast.error{border-right:3px solid var(--danger)}.toast.warning{border-right:3px solid var(--warning)}.toast.info{border-right:3px solid var(--accent)}.empty-state{color:var(--text-secondary);text-align:center;flex-direction:column;justify-content:center;align-items:center;padding:60px 20px;display:flex}.empty-state-icon{background:var(--bg-elevated);width:64px;height:64px;color:var(--text-muted);border-radius:50%;justify-content:center;align-items:center;margin-bottom:16px;display:flex}.empty-state h3{color:var(--text-primary);margin-bottom:6px;font-size:1rem;font-weight:700}.empty-state p{max-width:280px;margin-bottom:20px;font-size:.82rem}.invoice-items-table{border-collapse:collapse;width:100%;margin-top:12px;font-size:.85rem}.invoice-items-table th{background:var(--bg-elevated);text-align:right;color:var(--text-secondary);border-bottom:1px solid var(--border);padding:10px 12px;font-size:.78rem}.invoice-items-table td{border-bottom:1px solid var(--border);vertical-align:middle;padding:10px 12px}.invoice-totals{background:var(--bg-elevated);border-radius:var(--radius-md);align-self:flex-end;min-width:280px;margin-top:16px;padding:16px}.total-row{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:6px 0;font-size:.88rem;display:flex}.total-row:last-child{color:var(--accent-light);border-bottom:none;margin-top:4px;font-size:1rem;font-weight:800}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes slideIn{0%{opacity:0;transform:translate(-20px)}to{opacity:1;transform:translate(0)}}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}.skeleton{background:linear-gradient(90deg, var(--bg-elevated) 25%, var(--bg-hover) 50%, var(--bg-elevated) 75%);border-radius:var(--radius-sm);background-size:200% 100%;animation:1.5s infinite skeleton}@keyframes skeleton{0%{background-position:200% 0}to{background-position:-200% 0}}.spinner{border:2px solid var(--border);border-top-color:var(--accent);border-radius:50%;width:20px;height:20px;animation:.6s linear infinite spin}.spinner-lg{border-width:3px;width:40px;height:40px}@keyframes spin{to{transform:rotate(360deg)}}.page-loader{min-height:300px;color:var(--text-secondary);flex-direction:column;justify-content:center;align-items:center;gap:16px;font-size:.88rem;display:flex}.divider{background:var(--border);height:1px;margin:16px 0}.alert{border-radius:var(--radius-md);align-items:flex-start;gap:12px;margin-bottom:16px;padding:14px 16px;font-size:.85rem;display:flex}.alert-info{background:var(--info-bg);color:var(--info);border:1px solid #06b6d44d}.alert-success{background:var(--success-bg);color:var(--success);border:1px solid #10b9814d}.alert-warning{background:var(--warning-bg);color:var(--warning);border:1px solid #f59e0b4d}.alert-danger{background:var(--danger-bg);color:var(--danger);border:1px solid #ef44444d}@media (width<=768px){.page-content{padding:16px}.form-grid-2,.form-grid-3,.charts-grid{grid-template-columns:1fr}.stats-grid{grid-template-columns:1fr 1fr}}body.light-mode .sidebar{background:#fff;border-left:1px solid #cbd5e1}body.light-mode .nav-section-title{color:#000!important;font-size:.75rem!important;font-weight:900!important}body.light-mode .nav-item{color:#0f172a!important;font-weight:700!important}body.light-mode .nav-item:hover{color:#000!important;background:#e2e8f0!important}body.light-mode .nav-item.active{color:#1d4ed8!important;background:#2563eb1f!important;border-right-color:#1d4ed8!important;font-weight:900!important}body.light-mode .form-label,body.light-mode label{color:#000!important;font-weight:800!important}body.light-mode table th{color:#000!important;font-weight:900!important}body.light-mode table td{color:#0f172a!important;font-weight:600!important}