:root{--sidebar-width: 260px;--sidebar-collapsed-width: 72px;--sidebar-active: linear-gradient(135deg, #667eea 0%, #764ba2 100%);--topbar-height: 60px;--topbar-height-safe: calc(60px + env(safe-area-inset-top, 0px));--transition-speed: 0.3s}.app-layout{display:flex;min-height:100vh}.sidebar{position:fixed;top:0;left:0;width:var(--sidebar-width);height:100vh;background:var(--sidebar-bg);display:flex;flex-direction:column;z-index:1000;transition:transform var(--transition-speed) ease,width var(--transition-speed) ease;overflow:hidden}.sidebar-header{padding:20px;border-bottom:1px solid rgba(255,255,255,0.08);display:flex;align-items:center;justify-content:space-between;min-height:70px}.sidebar-logo{display:flex;align-items:center;gap:12px;text-decoration:none;color:white}.sidebar-logo-icon{width:40px;height:40px;background:var(--sidebar-active);border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:1.2rem;color:white;flex-shrink:0}.sidebar-logo-text{font-size:1.1rem;font-weight:700;color:white;white-space:nowrap;transition:opacity 0.2s ease, width 0.2s ease;overflow:hidden}.sidebar-logo-text span{color:#667eea}.sidebar-toggle-btn{display:none;width:100%;background:var(--sidebar-hover);border:1px solid rgba(255,255,255,0.1);color:var(--sidebar-text);cursor:pointer;padding:12px 14px;border-radius:8px;transition:all 0.25s ease;margin-bottom:12px;align-items:center;justify-content:flex-start;gap:12px;font-size:0.9rem;font-weight:500;position:relative}.sidebar-toggle-btn:hover{background:rgba(102,126,234,0.2);border-color:rgba(102,126,234,0.4);color:white}.sidebar-toggle-btn:active{transform:scale(0.98)}.sidebar-toggle-btn i{transition:transform 0.3s ease;font-size:0.9rem;width:20px;text-align:center;flex-shrink:0}.sidebar-toggle-btn .toggle-text{transition:opacity 0.2s ease, width 0.2s ease;white-space:nowrap;overflow:hidden}.sidebar-close-btn{display:none;background:transparent;border:none;color:var(--sidebar-text);cursor:pointer;padding:8px;border-radius:6px;font-size:1.2rem;transition:all 0.2s ease}.sidebar-close-btn:hover{background:var(--sidebar-hover);color:white}.sidebar-nav{flex:1;padding:16px 12px;overflow-y:auto;overflow-x:hidden}.sidebar-nav::-webkit-scrollbar{width:4px}.sidebar-nav::-webkit-scrollbar-track{background:transparent}.sidebar-nav::-webkit-scrollbar-thumb{background:rgba(255,255,255,0.1);border-radius:4px}.nav-section{margin-bottom:24px}.nav-section-title{font-size:0.7rem;font-weight:600;text-transform:uppercase;letter-spacing:1px;color:rgba(255,255,255,0.4);padding:0 12px;margin-bottom:8px;transition:opacity 0.2s ease, visibility 0.2s ease;white-space:nowrap;overflow:hidden}.nav-item{display:flex;align-items:center;gap:12px;padding:12px 14px;color:var(--sidebar-text);text-decoration:none;border-radius:8px;margin-bottom:4px;transition:all 0.2s ease;position:relative;white-space:nowrap}.nav-item:hover{background:var(--sidebar-hover);color:var(--sidebar-text-active)}.nav-item.active{background:var(--sidebar-active);color:var(--sidebar-text-active);box-shadow:0 4px 12px rgba(102,126,234,0.3)}.nav-item-icon{width:20px;height:20px;display:flex;align-items:center;justify-content:center;font-size:1rem;flex-shrink:0}.nav-item-text{font-size:0.9rem;font-weight:500;transition:opacity 0.2s ease, width 0.2s ease;white-space:nowrap;overflow:hidden}.nav-item-subscription{background:linear-gradient(135deg, rgba(255,193,7,0.15) 0%, rgba(255,152,0,0.15) 100%);border:1px solid rgba(255,193,7,0.3)}.nav-item-subscription:hover{background:linear-gradient(135deg, rgba(255,193,7,0.25) 0%, rgba(255,152,0,0.25) 100%);border-color:rgba(255,193,7,0.5)}.nav-item-subscription .nav-item-icon{color:#ffc107}.nav-item-badge{background:linear-gradient(135deg, #ffc107 0%, #ff9800 100%);color:#1a1a2e;font-size:0.65rem;font-weight:700;padding:2px 6px;border-radius:4px;text-transform:uppercase;letter-spacing:0.5px;margin-left:auto}.sidebar.collapsed .nav-item-badge{display:none}.sidebar-footer{padding:16px;border-top:1px solid rgba(255,255,255,0.08)}.sidebar-user{display:flex;align-items:center;gap:12px;padding:10px;background:var(--sidebar-hover);border-radius:10px}.sidebar-user-avatar{width:36px;height:36px;background:var(--sidebar-active);border-radius:8px;display:flex;align-items:center;justify-content:center;color:white;font-size:1rem;flex-shrink:0}.sidebar-user-info{flex:1;min-width:0;transition:opacity 0.2s ease, width 0.2s ease;overflow:hidden}.sidebar-user-name{font-size:0.85rem;font-weight:600;color:white;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.sidebar-user-role{font-size:0.7rem;color:var(--sidebar-text)}.topbar{position:fixed;top:0;left:var(--sidebar-width);right:0;height:var(--topbar-height-safe);padding-top:env(safe-area-inset-top, 0px);background:var(--topbar-bg);border-bottom:1px solid var(--topbar-border);display:flex;align-items:center;justify-content:space-between;padding-left:24px;padding-right:24px;z-index:999;transition:left var(--transition-speed) ease,background-color 0.3s ease,border-color 0.3s ease;box-sizing:border-box}.topbar-menu-btn{display:none;background:transparent;border:none;color:var(--topbar-text);cursor:pointer;padding:8px;border-radius:8px;font-size:1.3rem;transition:all 0.2s ease}.topbar-menu-btn:hover{background:var(--bg-hover)}.topbar-left{display:flex;align-items:center;gap:16px}.topbar-title{font-size:1.1rem;font-weight:600;color:var(--topbar-text)}.topbar-actions{display:flex;align-items:center;gap:12px}.topbar-btn{display:flex;align-items:center;gap:8px;padding:8px 16px;border:none;border-radius:8px;font-size:0.85rem;font-weight:600;cursor:pointer;text-decoration:none;transition:all 0.2s ease}.topbar-btn-success{background:#27ae60;color:white}.topbar-btn-success:hover{background:#219a52;transform:translateY(-1px);box-shadow:0 4px 12px rgba(39,174,96,0.3)}.topbar-btn-danger{background:#e74c3c;color:white}.topbar-btn-danger:hover{background:#d63031;transform:translateY(-1px);box-shadow:0 4px 12px rgba(231,76,60,0.3)}.topbar-right{display:flex;align-items:center;gap:16px}.topbar-locale-select{padding:6px 10px;border:1px solid var(--border);border-radius:6px;background:var(--input-bg);color:var(--text-secondary);font-size:0.85rem;cursor:pointer;transition:all 0.2s ease}.topbar-locale-select:hover{border-color:var(--primary)}.topbar-locale-select:focus{outline:none;border-color:var(--primary);box-shadow:var(--input-focus-shadow)}.topbar-user{position:relative}.topbar-user-btn{display:flex;align-items:center;gap:10px;padding:6px 12px;background:var(--bg-hover);border:1px solid var(--border);border-radius:8px;cursor:pointer;transition:all 0.2s ease}.topbar-user-btn:hover{background:var(--bg-active)}.topbar-user-avatar{width:32px;height:32px;background:var(--primary-gradient);border-radius:8px;display:flex;align-items:center;justify-content:center;color:white;font-size:0.9rem}.topbar-user-info{display:flex;flex-direction:column;align-items:flex-start;gap:2px}.topbar-user-name{font-size:0.85rem;font-weight:500;color:var(--text)}.read-mode-badge{font-size:0.65rem;padding:2px 8px;background:rgba(255,193,7,0.15);color:#f57c00;border-radius:10px;font-weight:600;text-transform:uppercase;letter-spacing:0.3px;display:inline-flex;align-items:center;gap:4px}.read-mode-badge i{font-size:0.7rem}.topbar-user-arrow{font-size:0.7rem;color:var(--text-muted);transition:transform 0.2s ease}.topbar-user-btn[aria-expanded="true"] .topbar-user-arrow{transform:rotate(180deg)}.topbar-user-dropdown{position:absolute;top:calc(100% + 8px);right:0;min-width:200px;background:var(--surface);border:1px solid var(--border);border-radius:10px;box-shadow:var(--shadow-lg);opacity:0;visibility:hidden;transform:translateY(-10px);transition:all 0.2s ease;z-index:1001}.topbar-user-dropdown.show{opacity:1;visibility:visible;transform:translateY(0)}.dropdown-item{display:flex;align-items:center;gap:10px;padding:12px 16px;color:var(--text-secondary);text-decoration:none;font-size:0.9rem;transition:all 0.2s ease}.dropdown-item:first-child{border-radius:10px 10px 0 0}.dropdown-item:last-child{border-radius:0 0 10px 10px}.dropdown-item:hover{background:var(--bg-hover);color:var(--primary)}.dropdown-item i{width:18px;text-align:center;font-size:0.95rem}.dropdown-divider{height:1px;background:var(--border);margin:4px 0}.dropdown-item-danger{color:var(--danger)}.dropdown-item-danger:hover{background:var(--danger-light);color:var(--danger)}.main-content{flex:1;margin-left:var(--sidebar-width);margin-top:var(--topbar-height-safe);padding:24px;min-height:calc(100vh - var(--topbar-height-safe));transition:margin-left var(--transition-speed) ease,background-color 0.3s ease;background:var(--bg);overflow-x:hidden;max-width:100vw;box-sizing:border-box}.main-content .container,.main-content .dashboard-container{max-width:100%;padding:0;margin:0}.main-content .alert{margin-bottom:20px}.sidebar-overlay{display:none;position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,0.5);backdrop-filter:blur(4px);z-index:999;opacity:0;pointer-events:none;transition:opacity var(--transition-speed) ease}.sidebar-overlay.show{opacity:1;pointer-events:auto}@media (max-width: 1024px){:root{--sidebar-width: 240px}}@media (max-width: 768px){.sidebar{transform:translateX(-100%);width:280px;padding-top:env(safe-area-inset-top, 0px)}.sidebar.open{transform:translateX(0)}.sidebar-close-btn{display:block}.sidebar-overlay{display:block}.topbar{left:0;padding-left:16px;padding-right:16px}.topbar-menu-btn{display:flex}.topbar-title{display:none}.topbar-actions{display:none}.topbar-user-name{display:none}.main-content{margin-left:0;padding:16px}.mobile-fab-container{display:block}}@media (max-width: 480px){.sidebar{width:100%}.topbar-right{gap:8px}.topbar-locale-select{padding:4px 8px;font-size:0.8rem}.main-content{padding:12px}}@media (min-width: 769px){.sidebar-toggle-btn{display:flex}.sidebar.collapsed{width:var(--sidebar-collapsed-width)}.sidebar.collapsed .sidebar-logo-text,.sidebar.collapsed .nav-section-title,.sidebar.collapsed .nav-item-text,.sidebar.collapsed .sidebar-user-info,.sidebar.collapsed .toggle-text{opacity:0;visibility:hidden;width:0;margin:0;padding:0}.sidebar.collapsed .sidebar-logo{justify-content:center}.sidebar.collapsed .sidebar-header{justify-content:center;padding:16px}.sidebar.collapsed .sidebar-toggle-btn{justify-content:center;padding:12px;gap:0}.sidebar.collapsed .sidebar-toggle-btn i{transform:rotate(180deg)}.sidebar.collapsed .nav-item{justify-content:center;padding:14px;gap:0}.sidebar.collapsed .nav-item-icon{width:24px;height:24px;font-size:1.1rem}.sidebar.collapsed .sidebar-user{justify-content:center;padding:12px}.sidebar.collapsed .sidebar-footer{padding:12px}.sidebar.collapsed+.topbar{left:var(--sidebar-collapsed-width)}.sidebar.collapsed~.main-content{margin-left:var(--sidebar-collapsed-width)}.sidebar.collapsed .nav-item::after{content:attr(data-tooltip);position:absolute;left:calc(100% + 12px);top:50%;transform:translateY(-50%);background:#1a1d29;color:white;padding:8px 14px;border-radius:8px;font-size:0.85rem;font-weight:500;white-space:nowrap;opacity:0;visibility:hidden;transition:all 0.15s ease;z-index:1001;box-shadow:0 4px 16px rgba(0,0,0,0.25);pointer-events:none}.sidebar.collapsed .nav-item:hover::after{opacity:1;visibility:visible}.sidebar.collapsed .nav-item.active::after{background:linear-gradient(135deg, #667eea 0%, #764ba2 100%)}.sidebar.collapsed .sidebar-toggle-btn::after{content:attr(data-tooltip);position:absolute;left:calc(100% + 12px);top:50%;transform:translateY(-50%);background:#1a1d29;color:white;padding:8px 14px;border-radius:8px;font-size:0.85rem;font-weight:500;white-space:nowrap;opacity:0;visibility:hidden;transition:all 0.15s ease;z-index:1001;box-shadow:0 4px 16px rgba(0,0,0,0.25);pointer-events:none}.sidebar.collapsed .sidebar-toggle-btn:hover::after{opacity:1;visibility:visible}}@media (min-width: 769px){.mobile-only{display:none !important}}@media (max-width: 768px){.desktop-only{display:none !important}}@keyframes slideIn{from{transform:translateX(-100%)}to{transform:translateX(0)}}@keyframes fadeIn{from{opacity:0}to{opacity:1}}.app-layout .navbar{display:none !important}.app-layout main.container{max-width:none;padding:0;margin:0}.nav-item-with-submenu{position:relative}.nav-item-parent{display:flex;align-items:center;justify-content:space-between;cursor:pointer;user-select:none}.nav-item-arrow{margin-left:auto;transition:transform 0.3s ease;font-size:0.75rem;opacity:0.7;width:16px;height:16px;display:flex;align-items:center;justify-content:center}.nav-item-with-submenu.expanded .nav-item-arrow{transform:rotate(180deg)}.nav-submenu{max-height:0;overflow:hidden;opacity:0;transition:max-height 0.3s ease, opacity 0.2s ease, margin 0.3s ease;margin:0}.nav-item-with-submenu.expanded .nav-submenu{max-height:300px;opacity:1;margin-top:4px;margin-bottom:4px}.nav-subitem{display:flex;align-items:center;gap:12px;padding:10px 14px 10px 46px;color:var(--sidebar-text);text-decoration:none;border-radius:8px;margin-bottom:2px;transition:all 0.2s ease;position:relative;white-space:nowrap;font-size:0.85rem}.nav-subitem::before{content:'';position:absolute;left:22px;top:50%;width:8px;height:1px;background:rgba(255,255,255,0.2);transition:all 0.2s ease}.nav-subitem:hover{background:var(--sidebar-hover);color:var(--sidebar-text-active)}.nav-subitem:hover::before{width:12px;background:rgba(255,255,255,0.4)}.nav-subitem.active{background:rgba(102,126,234,0.15);color:var(--sidebar-text-active);border-left:3px solid #667eea;padding-left:43px}.nav-subitem.active::before{background:#667eea}.nav-subitem-icon{width:18px;height:18px;display:flex;align-items:center;justify-content:center;font-size:0.9rem;flex-shrink:0}.nav-subitem-text{font-size:0.85rem;font-weight:500;transition:opacity 0.2s ease;white-space:nowrap;overflow:hidden}@media (min-width: 769px){.sidebar.collapsed .nav-item-arrow,.sidebar.collapsed .nav-submenu{display:none}.sidebar.collapsed .nav-item-with-submenu:hover .nav-submenu{display:block;position:absolute;left:calc(100% + 12px);top:0;background:#1a1d29;border-radius:8px;box-shadow:0 4px 16px rgba(0,0,0,0.25);padding:8px;max-height:none;opacity:1;margin:0;min-width:200px;z-index:1002}.sidebar.collapsed .nav-item-with-submenu:hover .nav-submenu .nav-subitem{padding:10px 14px}.sidebar.collapsed .nav-item-with-submenu:hover .nav-submenu .nav-subitem::before{display:none}}@media (max-width: 768px){.nav-subitem{padding-left:40px}}