:root {
            --bg-color: #191919;
            --text-color: #E0E0E0;
            --primary-accent: #FCCA36;
            --secondary-accent: #E6B52F;
            --topbar-bg: linear-gradient(135deg, #242424 0%, #2D2D2D 100%);
            --topbar-skew-bg: linear-gradient(135deg, #0F0F0F 0%, #1A1A1A 100%);
            --sidebar-bg: linear-gradient(180deg, #1F1F1F 0%, #242424 100%);
            --card-bg: linear-gradient(135deg, #242424 0%, #2D2D2D 100%);
            --border-color: rgba(255, 255, 255, 0.1);
            --input-bg: linear-gradient(135deg, rgba(255, 255, 0, 0.02) 0%, rgba(255, 255, 0, 0.01) 100%);
            --shadow-light: rgba(0, 0, 0, 0.3);
            --shadow-medium: rgba(0, 0, 0, 0.6);
            --hover-bg: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.02) 100%);
            --active-bg: linear-gradient(135deg, rgba(252, 202, 54, 0.15) 0%, rgba(252, 202, 54, 0.08) 100%);
            --inactive-text: #C0C0C0;
            --subtitle-text: #A0A0A0;
            --disabled-bg: #3A3A3A;
            --disabled-text: #A0A0A0;
            --button-text-dark: #191919;
            --button-text-light: #FFFFFF;
            --success-color: #FCCA36;
            --danger-color: #E74C3C;
            --warning-box-bg: linear-gradient(135deg, rgba(252, 202, 54, 0.15) 0%, rgba(252, 202, 54, 0.08) 100%);
            --warning-box-border: #FCCA36;
            --warning-box-text: #FCCA36;
            --modal-bg: #2D2D2D;
            --modal-border: #3A3A3A;
            --modal-shadow: rgba(0, 0, 0, 0.8);
            --modal-button-secondary-color: #C0C0C0;
            --modal-button-secondary-border: #555;
            --modal-button-secondary-hover-bg: #3A3A3A;
            --modal-button-secondary-hover-color: #FCCA36;
            --primary-accent-rgb: 252, 202, 54;
            --success-color-rgb: 252, 202, 54;
            --danger-color-rgb: 231, 76, 60;
            --modal-backdrop-bg: rgba(0, 0, 0, 0.85);
            --text-color-filter-on-dark: invert(90%) sepia(8%) saturate(307%) hue-rotate(189deg) brightness(109%) contrast(97%);
        }
        body.light-theme {
            --bg-color: #F0F2F5;
            --text-color: #333333;
            --primary-accent: #1A73E8;
            --secondary-accent: #4285F4;
            --topbar-bg: linear-gradient(135deg, #FFFFFF 0%, #F8F9FA 100%);
            --topbar-skew-bg: linear-gradient(135deg, #E0E2E5 0%, #EAECEF 100%);
            --sidebar-bg: linear-gradient(180deg, #FFFFFF 0%, #F8F9FA 100%);
            --card-bg: linear-gradient(135deg, #FFFFFF 0%, #F8F9FA 100%);
            --border-color: rgba(0, 0, 0, 0.1);
            --input-bg: linear-gradient(135deg, rgba(0, 0, 0, 0.02) 0%, rgba(0, 0, 0, 0.01) 100%);
            --shadow-light: rgba(0, 0, 0, 0.1);
            --shadow-medium: rgba(0, 0, 0, 0.2);
            --hover-bg: linear-gradient(135deg, rgba(0, 0, 0, 0.03) 0%, rgba(0, 0, 0, 0.01) 100%);
            --active-bg: linear-gradient(135deg, rgba(26, 115, 232, 0.15) 0%, rgba(26, 115, 232, 0.08) 100%);
            --inactive-text: #555555;
            --subtitle-text: #666666;
            --disabled-bg: #CCCCCC;
            --disabled-text: #888888;
            --button-text-dark: #FFFFFF;
            --button-text-light: #191919;
            --success-color: #1A73E8;
            --danger-color: #D32F2F;
            --warning-box-bg: linear-gradient(135deg, rgba(26, 115, 232, 0.1) 0%, rgba(26, 115, 232, 0.05) 100%);
            --warning-box-border: #1A73E8;
            --warning-box-text: #333333;
            --modal-bg: #FFFFFF;
            --modal-border: #E0E0E0;
            --modal-shadow: rgba(0, 0, 0, 0.2);
            --modal-button-secondary-color: #666;
            --modal-button-secondary-border: #CCC;
            --modal-button-secondary-hover-bg: #F0F0F0;
            --modal-button-secondary-hover-color: #1A73E8;
            --primary-accent-rgb: 26, 115, 232;
            --success-color-rgb: 26, 115, 232;
            --danger-color-rgb: 211, 47, 47;
            --modal-backdrop-bg: rgba(255, 255, 255, 0.85);
            --text-color-filter-on-light: invert(13%) sepia(21%) saturate(2206%) hue-rotate(170deg) brightness(97%) contrast(90%);
        }
        .hidden {
            display: none !important;
        }
        html {
            height: 100%;
            margin: 0;
            padding: 0;
        }
        body {
            font-family: 'Inter', sans-serif;
            margin: 0;
            padding: 0;
            background-color: var(--bg-color);
            color: var(--text-color);
            height: 100vh;
            display: flex;
            justify-content: center;
            align-items: center;
            transition: background-color 0.3s ease, color 0.3s ease;
        }
        body.no-scroll {
            overflow: hidden;
        }
        #appLayout.app-layout {
            display: grid;
            grid-template-columns: 250px 1fr;
            grid-template-rows: 70px 1fr;
            grid-template-areas:
              "sidebar topbar"
              "sidebar main-content";
            height: 100%;
            width: 100%;
            overflow-y: auto;
            overflow-x: hidden;
            display: none !important;
            opacity: 0;
            transition: opacity 0.5s ease-in-out;
            box-sizing: border-box;
            background-color: var(--bg-color);
        }
        #appLayout.app-layout.visible {
            display: grid !important;
            opacity: 1;
        }
        #appLayout.app-layout.sidebar-expanded {
            grid-template-columns: 250px 1fr;
        }
        #appLayout.app-layout.sidebar-collapsed-desktop {
            grid-template-columns: 70px 1fr;
        }
        .top-bar {
            grid-area: topbar;
            background: var(--topbar-bg);
            color: var(--text-color);
            padding: 0 30px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4), 0 2px 10px rgba(0, 0, 0, 0.2);
            position: relative;
            z-index: 10;
            transition: background-color 0.3s ease, color 0.3s ease, box-shadow 0.3s ease;
            backdrop-filter: blur(10px);
        }
        .top-bar::before {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100px;
            height: 100%;
            background: var(--topbar-skew-bg);
            transform: skewX(-10deg);
            transform-origin: bottom left;
            z-index: -1;
            box-shadow: 5px 0 15px var(--shadow-light);
            transition: background-color 0.3s ease, box-shadow 0.3s ease;
        }
        .top-bar .logo-placeholder {
            font-size: 20px;
            font-weight: 700;
            color: var(--primary-accent);
            font-family: 'Montserrat', sans-serif;
            padding-left: 20px;
            user-select: none;
            transition: opacity 0.3s ease, width 0.3s ease, padding-left 0.3s ease, color 0.3s ease;
            display: flex;
            align-items: center;
        }
        .top-bar .logo-placeholder img {
            height: 40px;
            width: auto;
            margin-right: 10px;
        }
        .top-bar-right-group {
            display: flex;
            align-items: center;
            gap: 15px;
            margin-left: auto;
        }
        .user-info-display {
            display: flex;
            flex-direction: column;
            align-items: flex-end;
            font-size: 15px;
            color: var(--text-color);
            text-align: right;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            max-width: 150px;
            transition: color 0.3s ease;
        }
        .user-info-display .user-name {
            font-weight: 500;
            color: var(--text-color);
        }
        .user-info-display .customer-no {
            font-size: 13px;
            color: var(--subtitle-text);
            margin-top: 2px;
        }
        .profile-icon-wrapper {
            position: relative;
        }
        .profile-icon {
            width: 45px;
            height: 45px;
            border-radius: 12px;
            background: linear-gradient(135deg, #2D2D2D 0%, #3A3A3A 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            border: 1px solid rgba(255, 255, 255, 0.1);
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.1);
            transition: all 0.3s ease;
        }
        .profile-icon:hover {
            background: linear-gradient(135deg, #3A3A3A 0%, #4A4A4A 100%);
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.15);
        }
        body.light-theme .profile-icon {
            background: linear-gradient(135deg, #F8F8F8 0%, #E8E8E8 100%);
            border: 1px solid rgba(0, 0, 0, 0.1);
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1), inset 0 1px 0 rgba(255, 255, 255, 0.5);
        }
        body.light-theme .profile-icon:hover {
            background: linear-gradient(135deg, #E8E8E8 0%, #D8D8D8 100%);
        }
        .profile-menu {
            position: fixed;
            background: linear-gradient(135deg, #2D2D2D 0%, #353535 100%);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 12px;
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(255, 255, 255, 0.05);
            min-width: 200px;
            z-index: 1001;
            overflow: hidden;
            display: block;
            opacity: 0;
            visibility: hidden;
            transform: translateY(-10px);
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            backdrop-filter: blur(10px);
        }
        body.light-theme .profile-menu {
            background: linear-gradient(135deg, #FFFFFF 0%, #F8F9FA 100%);
            border-color: rgba(0, 0, 0, 0.15);
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2), 0 0 0 1px rgba(0, 0, 0, 0.05);
        }
        .profile-menu.is-open {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }
        .profile-menu-item {
            padding: 15px 20px;
            cursor: pointer;
            font-size: 15px;
            color: var(--text-color);
            transition: all 0.2s ease;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            display: flex;
            align-items: center;
        }
        .profile-menu-item:last-child {
            border-bottom: none;
        }
        .profile-menu-item:hover {
            background: linear-gradient(135deg, rgba(252, 202, 54, 0.1) 0%, rgba(252, 202, 54, 0.05) 100%);
            color: #FCCA36;
        }
        body.light-theme .profile-menu-item {
            color: #333333;
            border-bottom-color: rgba(0, 0, 0, 0.08);
        }
        body.light-theme .profile-menu-item:hover {
            background: linear-gradient(135deg, rgba(26, 115, 232, 0.1) 0%, rgba(26, 115, 232, 0.05) 100%);
            color: #1A73E8;
        }
        .nav-icon {
            width: 20px;
            height: 20px;
            margin-right: 15px;
            vertical-align: middle;
            transition: filter 0.2s ease;
        }
        .menu-item i.fas,
        .profile-menu-item i.fas {
            font-size: 20px;
            margin-right: 15px;
            color: var(--primary-accent);
        }
        .sidebar.collapsed .nav-icon {
            width: 24px;
            height: 24px;
        }
        .sidebar.collapsed .menu-item i.fas {
            font-size: 24px;
            margin-right: 0;
        }
        .profile-icon img.nav-icon {
            margin-right: 0;
            width: 24px;
            height: 24px;
        }
        .create-btn .nav-icon {
            margin-right: 10px;
            width: 20px;
            height: 20px;
            filter: invert(100%) brightness(0.15);
            transition: filter 0.3s ease;
        }
        .sidebar.collapsed .create-btn .nav-icon {
            margin-right: 0;
            width: 24px;
            height: 24px;
        }
        .notification-icon-wrapper {
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .notification-icon {
            width: 45px;
            height: 45px;
            border-radius: 12px;
            background: linear-gradient(135deg, #2D2D2D 0%, #3A3A3A 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            border: 1px solid rgba(255, 255, 255, 0.1);
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.1);
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .notification-icon:hover {
            background: linear-gradient(135deg, #3A3A3A 0%, #4A4A4A 100%);
            transform: translateY(-2px);
            box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4), inset 0 1px 0 rgba(255, 255, 255, 0.15);
        }
        .notification-icon img.nav-icon {
            width: 24px;
            height: 24px;
            margin-right: 0;
        }
        .notification-menu {
            position: fixed;
            background: var(--modal-bg);
            border: 1px solid var(--modal-border);
            border-radius: 12px;
            box-shadow: 0 10px 40px var(--modal-shadow), 0 0 0 1px rgba(255, 255, 255, 0.05);
            min-width: 300px;
            max-width: 400px;
            max-height: 500px;
            overflow-y: auto;
            z-index: 1001;
            overflow-x: hidden;
            display: block;
            opacity: 0;
            visibility: hidden;
            transform: translateY(-10px);
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            backdrop-filter: blur(10px);
        }
        body.light-theme .notification-menu {
            box-shadow: 0 10px 40px var(--modal-shadow), 0 0 0 1px rgba(0, 0, 0, 0.05);
        }
        .notification-menu.is-open {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }
        .notification-menu h4 {
            color: var(--primary-accent);
            font-size: 1.2em;
            padding: 15px 20px;
            margin: 0;
            border-bottom: 1px solid var(--modal-border);
            font-family: 'Montserrat', sans-serif;
        }
        .notification-list-container {
            padding: 0;
        }
        .notification-item {
            padding: 15px 20px;
            border-bottom: 1px solid var(--modal-border);
            cursor: pointer;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            display: flex;
            flex-direction: column;
            align-items: flex-start;
        }
        .notification-item:last-child {
            border-bottom: none;
        }
        .notification-item:hover {
            background: var(--hover-bg);
        }
        .notification-item.read {
            opacity: 0.7;
            background: linear-gradient(135deg, rgba(0, 0, 0, 0.1) 0%, rgba(0, 0, 0, 0.05) 100%);
            color: var(--subtitle-text);
        }
        .notification-item.read:hover {
            background: linear-gradient(135deg, rgba(255, 255, 255, 0.03) 0%, rgba(255, 255, 255, 0.01) 100%);
        }
        body.light-theme .notification-item.read {
            background: linear-gradient(135deg, rgba(0, 0, 0, 0.02) 0%, rgba(0, 0, 0, 0.01) 100%);
        }
        body.light-theme .notification-item.read:hover {
            background: linear-gradient(135deg, rgba(0, 0, 0, 0.05) 0%, rgba(0, 0, 0, 0.02) 100%);
        }
        .notification-item-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            width: 100%;
            margin-bottom: 5px;
        }
        .notification-item-title {
            font-weight: 600;
            color: var(--text-color);
            font-size: 1em;
            flex-grow: 1;
        }
        .notification-item.read .notification-item-title {
            color: var(--inactive-text);
        }
        .notification-item-delete-btn {
            background: none;
            border: none;
            color: var(--danger-color);
            cursor: pointer;
            font-size: 0.8em;
            font-weight: 600;
            padding: 5px 10px;
            border-radius: 5px;
            transition: all 0.2s ease;
            flex-shrink: 0;
        }
        .notification-item-delete-btn:hover {
            background-color: rgba(231, 76, 60, 0.2);
            color: #FF7070;
        }
        body.light-theme .notification-item-delete-btn:hover {
            background-color: rgba(211, 47, 47, 0.1);
            color: #FF5555;
        }
        .notification-item-message {
            font-size: 0.9em;
            color: var(--inactive-text);
            line-height: 1.4;
            text-align: left;
        }
        .notification-item.read .notification-item-message {
            color: #888888;
        }
        body.light-theme .notification-item.read .notification-item-message {
            color: #999999;
        }
        .notification-item-date {
            font-size: 0.75em;
            color: #666666;
            margin-top: 10px;
            text-align: left;
            width: 100%;
        }
        body.light-theme .notification-item-date {
            color: #999999;
        }
        .no-notifications-message {
            padding: 20px;
            text-align: center;
            color: var(--subtitle-text);
            font-style: italic;
            font-size: 0.9em;
        }
        #markAllAsReadBtn {
            width: calc(100% - 40px);
            margin: 10px 20px 20px 20px;
            padding: 10px 15px;
            font-size: 0.9em;
            border-radius: 8px;
            background-color: var(--disabled-bg);
            border-color: #555555;
            color: var(--text-color);
        }
        #markAllAsReadBtn:hover {
            background-color: #4A4A4A;
            border-color: var(--primary-accent);
        }
        body.light-theme #markAllAsReadBtn {
            background-color: #E0E0E0;
            border-color: #CCCCCC;
            color: var(--inactive-text);
        }
        body.light-theme #markAllAsReadBtn:hover {
            background-color: #D0D0D0;
            border-color: var(--primary-accent);
        }
        body.light-theme .notification-icon {
            background: linear-gradient(135deg, #F8F8F8 0%, #E8E8E8 100%);
            border: 1px solid rgba(0, 0, 0, 0.1);
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1), inset 0 1px 0 rgba(255, 255, 255, 0.5);
        }
        body.light-theme .notification-icon:hover {
            background: linear-gradient(135deg, #E8E8E8 0%, #D8D8D8 100%);
        }
        .sidebar {
            grid-area: sidebar;
            background: var(--sidebar-bg);
            color: var(--text-color);
            padding: 20px 0;
            overflow-y: auto;
            box-shadow: 4px 0 20px rgba(0, 0, 0, 0.3), inset -1px 0 0 rgba(255, 255, 255, 0.05);
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            width: 250px;
            position: relative;
            z-index: 20;
            transform: translateX(0);
        }
        .sidebar.collapsed {
            width: 70px;
            align-items: center;
            overflow: hidden;
        }
        .sidebar.collapsed .sidebar-text {
            opacity: 0;
            width: 0;
            overflow: hidden;
            transition: opacity 0.3s ease, width 0.3s ease;
            pointer-events: none;
            display: none;
        }
        .sidebar.collapsed .create-btn {
            padding: 12px;
            width: 45px;
            height: 45px;
            border-radius: 50%;
            margin: 0 auto 20px auto;
        }
        .sidebar.collapsed .create-btn .nav-icon {
            margin-right: 0;
        }
        .sidebar.collapsed .menu-item .nav-icon,
        .sidebar.collapsed .sub-menu-item .nav-icon {
            margin-right: 0;
        }
        .sidebar.collapsed .menu-item,
        .sidebar.collapsed .sub-menu-item {
            padding: 12px 0;
            justify-content: center;
        }
        .menu-item.has-submenu::after {
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            position: absolute;
            right: 20px;
            top: 50%;
            transform: translateY(-50%);
            transition: transform 0.3s ease;
            font-size: 12px;
            color: var(--inactive-text);
        }
        .sidebar.collapsed .menu-item.has-submenu::after {
            display: none;
        }
        .menu-item.has-submenu.open::after {
            transform: translateY(-50%) rotate(180deg);
        }
        .sidebar-text {
            transition: opacity 0.3s ease, width 0.3s ease;
        }
        .logo {
            text-align: center;
            margin-bottom: 15px;
            width: 100%;
            display: flex;
            flex-direction: column;
            align-items: center;
        }
        .logo-link {
            display: inline-block;
            margin-bottom: 10px;
        }
        .logo-text-container {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
        }
        .logo-text-container h2 {
            margin: 0;
            color: var(--primary-accent);
            font-family: 'Montserrat', sans-serif;
            font-size: 24px;
            font-weight: 700;
            letter-spacing: 1px;
        }
        .sidebar .title-subtitle {
            font-size: 14px;
            color: var(--subtitle-text);
            margin-top: 5px;
        }
        .sidebar hr {
            border: none;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            margin: 15px 15px;
            width: calc(100% - 30px);
            transition: border-color 0.3s ease;
        }
        body.light-theme .sidebar hr {
            border-top: 1px solid rgba(0, 0, 0, 0.1);
        }
        .create-btn {
            width: calc(100% - 40px);
            margin: 15px 20px;
            padding: 12px;
            background: linear-gradient(135deg, var(--primary-accent) 0%, var(--secondary-accent) 100%);
            color: var(--button-text-dark);
            border: none;
            border-radius: 12px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            text-transform: uppercase;
            letter-spacing: 0.8px;
            box-shadow: 0 6px 20px rgba(var(--primary-accent-rgb), 0.4), 0 2px 10px rgba(var(--primary-accent-rgb), 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            overflow: hidden;
            z-index: 1;
        }
        .create-btn::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 50%;
            height: 100%;
            background: rgba(255, 255, 255, 0.3);
            transform: skewX(-30deg);
            transition: all 0.7s ease;
            z-index: 0;
        }
        .create-btn:hover::before {
            left: 120%;
        }
        .create-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(var(--primary-accent-rgb), 0.6), 0 4px 15px rgba(var(--primary-accent-rgb), 0.3);
        }
        .menu {
            list-style: none;
            padding: 0;
            margin: 15px 0;
            width: 100%;
            flex-grow: 1;
        }
        .menu-item {
            padding: 12px 20px;
            cursor: pointer;
            font-size: 16px;
            color: var(--inactive-text);
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            border-radius: 0;
            display: flex;
            align-items: center;
            position: relative;
        }
        .menu-item:hover {
            background: var(--hover-bg);
            color: var(--text-color);
            transform: translateX(5px);
        }
        .menu-item.active {
            background: var(--active-bg);
            color: var(--primary-accent);
            font-weight: 700;
            border-left: 4px solid var(--primary-accent);
            padding-left: 16px;
        }
        .sub-menu {
            list-style: none;
            padding: 0;
            margin: 0;
            display: none;
            overflow: hidden;
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            max-height: 0;
            opacity: 0;
            background: linear-gradient(135deg, rgba(255, 255, 255, 0.03) 0%, rgba(255, 255, 255, 0.01) 100%);
            border-radius: 0 0 12px 12px;
            margin-left: 10px;
            margin-right: 10px;
        }
        body.light-theme .sub-menu {
            background: linear-gradient(135deg, rgba(0, 0, 0, 0.03) 0%, rgba(0, 0, 0, 0.01) 100%);
        }
        .sub-menu.open {
            display: block;
            max-height: 500px;
            opacity: 1;
        }
        .sub-menu-item {
            padding: 10px 15px;
            cursor: pointer;
            font-size: 15px;
            color: var(--inactive-text);
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            display: flex;
            align-items: center;
            border-radius: 8px;
            margin: 5px 10px;
        }
        .sub-menu-item:hover {
            background: var(--hover-bg);
            color: var(--text-color);
            transform: translateX(3px);
        }
        .sub-menu-item.active {
            color: var(--primary-accent);
            font-weight: 600;
            background: linear-gradient(135deg, rgba(252, 202, 54, 0.1) 0%, rgba(252, 202, 54, 0.05) 100%);
        }
        body.light-theme .sub-menu-item.active {
            background: linear-gradient(135deg, rgba(26, 115, 232, 0.1) 0%, rgba(26, 115, 232, 0.05) 100%);
        }
        .sidebar .user-display {
            text-align: center;
            font-size: 0.9em;
            color: var(--subtitle-text);
            margin-top: 20px;
            padding: 0 15px;
            word-break: break-word;
        }
        .sidebar .user-display #portalVersionDisplay {
            display: block;
            color: var(--subtitle-text);
            font-weight: 500;
            margin-top: 5px;
            font-style: normal;
            font-family: 'Inter', sans-serif;
            font-size: 0.9em;
        }
        .sidebar .user-display strong.italic-portal-text {
            display: block;
            color: var(--text-color);
            font-weight: 600;
            margin-bottom: 5px;
            font-style: italic;
            font-family: 'Playfair Display', serif;
            font-size: 1.1em;
        }
        .sidebar .user-display a#portalVersionLink {
            text-decoration: none;
            color: inherit;
            cursor: pointer;
            display: block;
        }
        .sidebar .user-display a#portalVersionLink:hover #portalVersionDisplay {
            text-decoration: underline;
            color: var(--primary-accent);
        }
        .menu-toggle-btn {
            font-size: 24px;
            color: var(--primary-accent);
            cursor: pointer;
            z-index: 30;
            display: none;
        }
        #mainContent.main-content {
            grid-area: main-content;
            padding: 20px;
            overflow-y: auto;
            overflow-x: hidden;
            display: flex;
            flex-direction: column;
            justify-content: flex-start;
            align-items: center;
            box-sizing: border-box;
            scrollbar-width: none;
            -ms-overflow-style: none;
            background: linear-gradient(135deg, #191919 0%, #1F1F1F 100%);
        }
        body.light-theme #mainContent.main-content {
            background: linear-gradient(135deg, #F0F2F5 0%, #FFFFFF 100%);
        }
        #mainContent.main-content::-webkit-scrollbar {
            display: none;
        }
        .container {
            background: var(--card-bg);
            padding: 40px;
            border-radius: 15px;
            box-shadow: 0 10px 30px var(--shadow-medium);
            max-width: 900px;
            width: 100%;
            animation: fadeIn 0.8s ease-out;
            margin: 20px auto;
            border: 1px solid var(--border-color);
            color: var(--text-color);
            line-height: 1.6;
            box-sizing: border-box;
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        h1 {
            color: var(--primary-accent);
            text-align: center;
            margin-bottom: 30px;
            font-weight: 700;
            letter-spacing: -0.5px;
            font-size: 2.2em;
        }
        .premium-home-button {
            display: block;
            width: fit-content;
            margin: 40px auto 0 auto;
            padding: 15px 35px;
            background: linear-gradient(45deg, var(--primary-accent), var(--secondary-accent));
            color: var(--button-text-dark);
            border: none;
            border-radius: 50px;
            font-size: 1.15em;
            font-weight: 700;
            text-decoration: none;
            cursor: pointer;
            text-align: center;
            box-shadow: 0 10px 25px rgba(var(--primary-accent-rgb), 0.4);
            transition: all 0.3s ease-in-out;
            position: relative;
            overflow: hidden;
            z-index: 1;
        }
        body.light-theme .premium-home-button {
            color: var(--button-text-light);
        }
        .premium-home-button::before {
            content: '';
            position: absolute;
            top: 0;
            left: -100%;
            width: 50%;
            height: 100%;
            background: rgba(255, 255, 255, 0.3);
            transform: skewX(-30deg);
            transition: all 0.7s ease;
            z-index: 0;
        }
        .premium-home-button:hover::before {
            left: 120%;
        }
        .premium-home-button:active {
            transform: translateY(-2px) scale(1);
            box-shadow: 0 8px 20px rgba(var(--primary-accent-rgb), 0.5);
        }
        .access-denied-bar, .firebase-error-bar, .success-message-bar {
            position: fixed;
            bottom: 20px;
            right: 20px;
            min-width: 300px;
            max-width: 400px;
            padding: 15px 20px;
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.95em;
            font-weight: 500;
            text-align: left;
            color: var(--button-text-dark);
            border-radius: 12px;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.4), 0 4px 15px rgba(0, 0, 0, 0.2);
            z-index: 2000;
            transform: translateX(450px);
            transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            opacity: 0;
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.1);
        }
        .access-denied-bar.show, .firebase-error-bar.show, .success-message-bar.show {
            transform: translateX(0);
            opacity: 1;
        }
        .access-denied-bar {
            background: linear-gradient(135deg, #FF6B6B 0%, #E74C3C 100%);
            color: var(--button-text-light);
        }
        .firebase-error-bar {
            background: linear-gradient(135deg, #FF6B6B 0%, #E74C3C 100%);
            color: var(--button-text-light);
        }
        .success-message-bar {
            background: linear-gradient(135deg, var(--success-color) 0%, var(--secondary-accent) 100%);
            color: var(--button-text-dark);
        }
        body.light-theme .success-message-bar {
            color: var(--button-text-light);
        }
        .access-denied-bar span.icon, .firebase-error-bar span.icon, .success-message-bar span.icon {
            font-size: 1.5em;
            line-height: 1;
            flex-shrink: 0;
        }
        @keyframes bounceIn {
            0% { transform: scale(0); opacity: 0; }
            50% { transform: scale(1.1); opacity: 1; }
            100% { transform: scale(1); }
        }
        @media (max-width: 480px) {
            .access-denied-bar, .firebase-error-bar, .success-message-bar {
                font-size: 0.9em;
                padding: 10px 15px;
                flex-direction: column;
            }
            .access-denied-bar span.icon, .firebase-error-bar span.icon, .success-message-bar span.icon {
                font-size: 1.2em;
                margin-bottom: 5px;
            }
        }
        @media (max-width: 768px) {
            #appLayout.app-layout {
                grid-template-columns: 1fr;
                grid-template-areas: "topbar" "main-content";
                display: grid;
            }
            #appLayout.app-layout.sidebar-expanded,
            #appLayout.app-layout.sidebar-collapsed-desktop {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: fixed;
                top: 0;
                bottom: 0;
                left: 0;
                width: 250px;
                transform: translateX(-100%);
                transition: transform 0.3s ease-out;
                z-index: 1000;
                box-shadow: 2px 0 10px var(--shadow-light);
                padding: 20px 0;
                align-items: flex-start;
            }
            .sidebar.mobile-open {
                transform: translateX(0%);
            }
            .sidebar:not(.mobile-open) .sidebar-text {
                opacity: 0;
                width: 0;
                overflow: hidden;
                pointer-events: none;
                display: none;
            }
            .sidebar:not(.mobile-open) .create-btn {
                padding: 12px;
                width: 45px;
                height: 45px;
                border-radius: 50%;
                margin: 0 auto 20px auto;
            }
            .sidebar:not(.mobile-open) .create-btn .nav-icon {
                margin-right: 0;
            }
            .sidebar:not(.mobile-open) .menu-item .nav-icon,
            .sidebar:not(.mobile-open) .sub-menu-item .nav-icon {
                margin-right: 0;
            }
            .sidebar:not(.mobile-open) .menu-item,
            .sidebar:not(.mobile-open) .sub-menu-item {
                padding: 12px 0;
                justify-content: center;
            }
            .sidebar:not(.mobile-open) .menu-item.has-submenu::after {
                display: none;
            }
            .top-bar .logo-placeholder {
                display: none;
            }
            .menu-toggle-btn {
                display: block;
                order: 1;
            }
            .top-bar-right-group {
                order: 2;
                margin-left: auto;
            }
            .sidebar .logo img {
                display: none !important;
            }
            #mainContent.main-content {
                padding: 10px;
            }
            .container {
                padding: 25px;
                margin: 10px auto;
            }
            h1 {
                font-size: 1.8em;
            }
            .premium-home-button {
                font-size: 1rem;
            }
            .access-denied-bar, .firebase-error-bar, .success-message-bar {
                font-size: 0.9em;
                padding: 10px 15px;
            }
            .success-message-bar span.icon {
                font-size: 1.2em;
            }
            .local-info-message {
                padding: 10px 15px;
                font-size: 0.85em;
            }
            .local-info-message .icon {
                font-size: 1.2em;
            }
            .notification-menu {
                min-width: calc(100% - 40px);
                max-width: 400px;
                width: calc(100% - 40px);
                left: 50%;
                right: auto;
                transform: translateX(-50%) translateY(-10px);
            }
            .notification-menu.is-open {
                top: 80px;
                transform: translateX(-50%) translateY(0);
            }
            .notification-icon-wrapper {
                margin-left: auto;
                margin-right: 0;
            }
            .user-info-display .customer-no {
                display: none;
            }
        }
        .menu-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0,0,0,0.7);
            z-index: 999;
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.3s ease;
        }
        .menu-overlay.active {
            opacity: 1;
            visibility: visible;
        }
        .construction-container {
            background-color: var(--card-bg);
            padding: 40px;
            border-radius: 15px;
            box-shadow: 0 10px 30px var(--shadow-medium);
            max-width: 600px;
            width: 90%;
            margin: 20px auto;
            border: 1px solid var(--border-color);
            color: var(--text-color);
            line-height: 1.6;
            box-sizing: border-box;
            animation: fadeIn 0.8s ease-out;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .construction-container h1 {
            color: var(--primary-accent);
            font-family: 'Montserrat', sans-serif;
            font-size: 2.8em;
            margin-bottom: 20px;
            font-weight: 700;
            letter-spacing: -1px;
        }
        .construction-container p {
            font-size: 1.1em;
            margin-bottom: 30px;
            color: var(--inactive-text);
            text-align: center;
        }
        .construction-icon {
            font-size: 5rem;
            color: var(--primary-accent);
            margin-bottom: 25px;
            animation: pulse 2s infinite alternate;
        }
        @keyframes pulse {
            0% { transform: scale(1); opacity: 1; }
            50% { transform: scale(1.05); opacity: 0.8; }
            100% { transform: scale(1); opacity: 1; }
        }
        .back-button {
            display: inline-block;
            padding: 15px 30px;
            background: none;
            color: var(--primary-accent);
            border: 2px solid var(--primary-accent);
            border-radius: 8px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            text-decoration: none;
            text-transform: uppercase;
            letter-spacing: 0.8px;
            box-shadow: none;
        }
        .back-button:hover {
            background-color: var(--primary-accent);
            color: var(--button-text-dark);
            transform: translateY(-2px);
            box-shadow: 0 4px 10px rgba(var(--primary-accent-rgb), 0.3);
        }
        body.light-theme .back-button:hover {
            color: var(--button-text-light);
        }
        @media (max-width: 768px) {
            .construction-container {
                padding: 30px;
            }
            .construction-container h1 {
                font-size: 2em;
            }
            .construction-icon {
                font-size: 4rem;
            }
            .back-button {
                padding: 12px 25px;
                font-size: 1rem;
            }
        }
        .language-selector-container {
            display: flex;
            align-items: center;
            width: 100%;
            gap: 10px;
            margin-top: 10px;
        }
        .language-selector-container select {
            flex-grow: 1;
            background-color: var(--sidebar-bg);
            color: var(--text-color);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            padding: 10px 15px;
            font-size: 1em;
            cursor: pointer;
            outline: none;
            appearance: none;
            -webkit-appearance: none;
            -moz-appearance: none;
            transition: border-color 0.2s ease, background-color 0.3s ease, color 0.3s ease;
        }
        .language-selector-container select:hover,
        .language-selector-container select:focus {
            border-color: var(--primary-accent);
        }
        .language-selector-container .language-icon {
            width: 24px;
            height: 24px;
            margin-right: 0;
            transition: filter 0.2s ease;
        }
        .modal-backdrop {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: var(--modal-backdrop-bg);
            display: flex;
            justify-content: center;
            align-items: center;
            z-index: 2000;
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.3s ease-in-out, visibility 0s linear 0.3s;
            backdrop-filter: blur(10px);
        }
        .modal-backdrop.show {
            opacity: 1;
            visibility: visible;
            transition-delay: 0s;
        }
        .modal-content {
            background-color: var(--modal-bg);
            padding: 40px;
            border-radius: 15px;
            box-shadow: 0 15px 40px var(--modal-shadow);
            width: 90%;
            max-width: 850px;
            max-height: 80vh;
            overflow-y: auto;
            text-align: center;
            position: relative;
            transform: scale(0.95) translateY(20px);
            opacity: 0;
            transition: transform 0.4s cubic-bezier(0.25, 0.8, 0.25, 1), opacity 0.4s cubic-bezier(0.25, 0.8, 0.25, 1), background-color 0.3s ease, color 0.3s ease, box-shadow 0.3s ease;
            border: 1px solid var(--modal-border);
        }
        .modal-backdrop.show .modal-content {
            transform: scale(1) translateY(0);
            opacity: 1;
        }
        .modal-content h2 {
            font-family: 'Montserrat', sans-serif;
            color: var(--primary-accent);
            font-size: 2.5em;
            margin-bottom: 25px;
            padding-bottom: 15px;
            border-bottom: 3px solid var(--primary-accent);
            display: inline-block;
            letter-spacing: 1px;
            font-weight: 700;
        }
        .modal-content p {
            font-size: 1.1em;
            line-height: 1.6;
            margin-bottom: 30px;
        }
        .modal-content.type-selection-modal {
            max-width: 550px;
            padding: 30px;
            text-align: center;
            transform: scale(0.8) translateY(-50px);
            opacity: 0;
            transition: transform 0.4s cubic-bezier(0.25, 0.8, 0.25, 1), opacity 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
        }
        .modal-backdrop.show .modal-content.type-selection-modal {
            transform: scale(1) translateY(0);
            opacity: 1;
        }
        .modal-content.type-selection-modal .modal-title {
            font-size: 2.2em;
            margin-bottom: 25px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--primary-accent);
            color: var(--primary-accent);
        }
        .release-type-options {
            display: flex;
            flex-direction: column;
            gap: 15px;
            margin-bottom: 30px;
        }
        .option-item {
            position: relative;
            display: flex;
            align-items: center;
            border: 2px solid var(--border-color);
            border-radius: 12px;
            padding: 15px 20px;
            cursor: pointer;
            transition: all 0.2s ease-in-out;
            box-shadow: 0 4px 10px var(--shadow-light);
            background-color: var(--card-bg);
        }
        .option-item:hover:not(.disabled-option) {
            border-color: var(--primary-accent);
            background-color: var(--hover-bg);
            transform: translateY(-3px);
            box-shadow: 0 6px 15px var(--shadow-medium);
        }
        .option-item.selected {
            border-color: var(--primary-accent);
            background-color: var(--hover-bg);
            box-shadow: 0 0 0 3px rgba(var(--primary-accent-rgb), 0.3);
        }
        .radio-input {
            display: none;
        }
        .radio-label {
            display: flex;
            align-items: center;
            width: 100%;
            cursor: pointer;
            color: var(--text-color);
            font-size: 1.1em;
            font-weight: 600;
        }
        .radio-label .label-text {
            flex-grow: 1;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            min-width: 1px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .radio-label::before {
            content: '';
            position: relative;
            display: inline-block;
            width: 20px;
            height: 20px;
            border: 2px solid var(--primary-accent);
            border-radius: 50%;
            margin-right: 15px;
            background-color: transparent;
            transition: all 0.2s ease;
            flex-shrink: 0;
        }
        .radio-input:checked + .radio-label::before {
            background-color: var(--primary-accent);
            border-color: var(--primary-accent);
            box-shadow: 0 0 0 4px rgba(var(--primary-accent-rgb), 0.3);
        }
        .radio-input:checked + .radio-label::after {
            content: '';
            position: absolute;
            top: 50%;
            left: 25px;
            transform: translate(-50%, -50%) scale(0);
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background-color: var(--button-text-dark);
            transition: transform 0.2s ease;
        }
        body.light-theme .radio-input:checked + .radio-label::after {
            background-color: var(--button-text-light);
        }
        .radio-input:checked + .radio-label::after {
            transform: translate(-50%, -50%) scale(1);
        }
        .option-icon {
            font-size: 1.5em;
            margin-left: auto;
            color: var(--primary-accent);
            transition: color 0.2s ease;
        }
        .option-item.disabled-option {
            cursor: not-allowed;
            opacity: 0.6;
            background-color: var(--sidebar-bg);
            border-color: var(--border-color);
        }
        .option-item.disabled-option:hover {
            transform: none;
            box-shadow: 0 4px 10px var(--shadow-light);
            border-color: var(--border-color);
            background-color: var(--sidebar-bg);
        }
        .option-item.disabled-option .radio-label {
            color: var(--subtitle-text);
        }
        .option-item.disabled-option .option-icon {
            color: var(--disabled-bg);
        }
        .coming-soon-badge {
            background-color: #555555;
            color: #FFFFFF;
            font-size: 0.7em;
            font-weight: 700;
            padding: 4px 8px;
            border-radius: 5px;
            margin-left: 10px;
            animation: pulseBadge 1.5s infinite alternate;
        }
        body.light-theme .coming-soon-badge {
            background-color: #999999;
            color: #FFFFFF;
        }
        @keyframes pulseBadge {
            0% { transform: scale(1); opacity: 0.8; }
            100% { transform: scale(1.05); opacity: 1; }
        }
        .modal-info-message {
            background-color: var(--warning-box-bg);
            border-left: 5px solid var(--warning-box-border);
            color: var(--warning-box-text);
            padding: 10px 15px;
            border-radius: 8px;
            margin-top: 15px;
            text-align: center;
            font-size: 0.9em;
            font-weight: 500;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
            opacity: 0;
            transform: translateY(10px);
            transition: opacity 0.3s ease-out, transform 0.3s ease-out;
        }
        .modal-info-message.show {
            opacity: 1;
            transform: translateY(0);
        }
        .modal-actions {
            display: flex;
            justify-content: flex-end;
            gap: 15px;
            margin-top: 30px;
        }
        .modal-primary-button,
        .modal-secondary-button {
            border: none;
            border-radius: 10px;
            padding: 12px 25px;
            font-size: 1em;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 5px 12px rgba(0, 0, 0, 0.3);
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }
        .modal-primary-button {
            background: linear-gradient(45deg, var(--primary-accent), var(--secondary-accent));
            color: var(--button-text-dark);
        }
        body.light-theme .modal-primary-button {
            color: var(--button-text-light);
        }
        .modal-primary-button:hover:not(:disabled) {
            opacity: 0.95;
            transform: translateY(-2px);
            box-shadow: 0 8px 18px rgba(var(--primary-accent-rgb), 0.5);
        }
        .modal-primary-button:disabled {
            background: var(--disabled-bg);
            color: var(--disabled-text);
            cursor: not-allowed;
            box-shadow: none;
            transform: none;
            opacity: 0.6;
        }
        .modal-secondary-button {
            background: none;
            color: var(--modal-button-secondary-color);
            border: 2px solid var(--modal-button-secondary-border);
            box-shadow: none;
        }
        .modal-secondary-button:hover {
            background-color: var(--modal-button-secondary-hover-bg);
            color: var(--modal-button-secondary-hover-color);
            border-color: var(--primary-accent);
            box-shadow: 0 3px 8px rgba(0, 0, 0, 0.3);
        }
        @media (max-width: 768px) {
            .modal-content {
                padding: 20px;
            }
            .modal-content h2 {
                font-size: 1.5em;
            }
            .modal-content p {
                font-size: 1.1em;
            }
            .modal-actions {
                flex-direction: column-reverse;
                gap: 10px;
                margin-top: 25px;
            }
            .modal-actions button {
                width: 100%;
            }
            .modal-content.type-selection-modal {
                padding: 20px;
            }
            .modal-content.type-selection-modal .modal-title {
                font-size: 1.8em;
                margin-bottom: 20px;
            }
            .option-item {
                padding: 12px 15px;
            }
            .radio-label {
                font-size: 1em;
            }
            .radio-label::before {
                width: 18px;
                height: 18px;
                margin-right: 10px;
            }
            .radio-input:checked + .radio-label::after {
                left: 23px;
                width: 8px;
                height: 8px;
            }
            .option-icon {
                font-size: 1.3em;
            }
            .coming-soon-badge {
                font-size: 0.65em;
                padding: 3px 6px;
            }
            .modal-info-message {
                padding: 8px 12px;
                font-size: 0.85em;
            }
        }
        .theme-selector-container {
            display: flex;
            gap: 15px;
            margin-top: 10px;
            width: 100%;
        }
        .theme-option {
            display: flex;
            align-items: center;
            justify-content: center;
            flex-grow: 1;
            cursor: pointer;
            padding: 10px 15px;
            border: 1px solid var(--border-color);
            border-radius: 8px;
            background-color: var(--sidebar-bg);
            transition: all 0.2s ease, background-color 0.3s ease, border-color 0.3s ease, color 0.3s ease;
            position: relative;
            overflow: hidden;
            color: var(--text-color);
        }
        .theme-option .theme-icon {
            width: 20px;
            height: 20px;
            margin-right: 8px;
            transition: filter 0.3s ease;
        }
        body.light-theme .theme-option {
            background-color: #F8F8F8;
            border: 1px solid #E0E0E0;
            color: #333333;
        }
        .theme-option.selected {
            background-color: var(--hover-bg);
            border-color: var(--primary-accent);
            box-shadow: 0 0 0 3px rgba(var(--primary-accent-rgb), 0.2);
        }
        .theme-option.selected .theme-icon,
        .theme-option.selected span {
            color: var(--primary-accent);
            font-weight: 600;
        }
        body.light-theme .theme-option.selected {
            background-color: var(--active-bg);
            border-color: var(--primary-accent);
            box-shadow: 0 0 0 3px rgba(var(--primary-accent-rgb), 0.2);
        }
        body.light-theme .theme-option.selected .theme-icon,
        body.light-theme .theme-option.selected span {
            color: var(--primary-accent);
        }
        .theme-option:hover {
            background-color: var(--hover-bg);
            border-color: var(--primary-accent);
        }
        body.light-theme .theme-option:hover {
            background-color: var(--hover-bg);
            border-color: var(--primary-accent);
        }
        @media (min-width: 769px) {
            .sidebar:not(.collapsed) .logo-text-container h2[data-lang-key="sidebarMainTitle"] {
                display: none !important;
            }
        }
        body.light-theme .sidebar:not(.collapsed) .logo-text-container h2[data-lang-key="sidebarMainTitle"] {
            display: block !important;
        }
        .sidebar {
            scrollbar-width: thin;
            scrollbar-color: var(--primary-accent) var(--sidebar-bg);
        }
        .sidebar::-webkit-scrollbar {
            width: 8px;
        }
        .sidebar::-webkit-scrollbar-track {
            background: var(--sidebar-bg);
        }
        .sidebar::-webkit-scrollbar-thumb {
            background-color: var(--primary-accent);
            border-radius: 10px;
            border: 2px solid var(--sidebar-bg);
        }
        body.light-theme .sidebar::-webkit-scrollbar-track {
            background: var(--sidebar-bg);
        }
        body.light-theme .sidebar::-webkit-scrollbar-thumb {
            background-color: var(--primary-accent);
            border: 2px solid var(--sidebar-bg);
        }
        .sidebar .logo img {
            max-width: 50px;
            height: auto;
            margin-bottom: 10px;
            display: block;
        }
        .sidebar .logo h2, .sidebar .title-subtitle {
            display: block;
        }
        .sidebar.collapsed .logo img {
            max-width: 50px;
        }
        body.light-theme .sidebar .logo img {
            display: none;
        }
        @media (max-width: 768px) {
            .sidebar .logo img {
                display: none !important;
            }
        }
        #initialLoadingOverlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: #191919;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            z-index: 3000;
            transition: opacity 0.5s ease-out, visibility 0s linear 0.5s;
            opacity: 1;
            visibility: visible;
        }
        #initialLoadingOverlay.hidden {
            opacity: 0;
            visibility: hidden;
            pointer-events: none;
        }
        .loading-spinner {
            border: 5px solid rgba(255, 255, 255, 0.2);
            border-top: 5px solid #FCCA36;
            border-radius: 50%;
            width: 50px;
            height: 50px;
            animation: spin 1s linear infinite;
            margin-bottom: 20px;
        }
        @keyframes spin {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }
        .loading-message {
            color: #E0E0E0;
            font-size: 1.2em;
            font-weight: 500;
            text-align: center;
        }
        body.light-theme #initialLoadingOverlay {
            background-color: #F0F2F5;
        }
        body.light-theme .loading-spinner {
            border: 5px solid rgba(0, 0, 0, 0.1);
            border-top: 5px solid #1A73E8;
        }
        body.light-theme .loading-message {
            color: #333333;
        }
        .premium-tooltip {
            position: absolute;
            background: var(--modal-bg);
            color: var(--text-color);
            padding: 8px 15px;
            border-radius: 6px;
            box-shadow: 0 4px 15px var(--shadow-medium);
            white-space: normal;
            max-width: 280px;
            text-align: center;
            font-size: 0.85em;
            font-weight: 500;
            z-index: 9999;
            pointer-events: none;
            text-shadow: none;
            border: 1px solid var(--modal-border);
            opacity: 0;
            visibility: hidden;
            transform: translate(-50%, 0);
            transition: opacity 0.3s ease, visibility 0s linear 0.3s, transform 0.3s ease;
        }
        .premium-tooltip::after {
            content: '';
            position: absolute;
            left: 50%;
            top: -5px;
            bottom: auto;
            transform: translateX(-50%) rotate(135deg);
            width: 10px;
            height: 10px;
            background: var(--modal-bg);
            box-shadow: 2px 2px 5px var(--shadow-light);
            border-radius: 2px;
            z-index: -1;
            border-top: 1px solid var(--modal-border);
            border-left: 1px solid var(--modal-border);
            border-right: none;
            border-bottom: none;
        }
        .global-tooltip-hidden {
            opacity: 0 !important;
            visibility: hidden !important;
            transform: translate(-50%, 10px) !important;
            transition: opacity 0.3s ease, visibility 0s linear 0.3s, transform 0.3s ease;
        }
        .global-tooltip-show {
            opacity: 1 !important;
            visibility: visible !important;
            transform: translate(-50%, 0) !important;
            transition: opacity 0.3s ease, visibility 0s linear, transform 0.3s ease;
        }
        .profile-menu-item.has-submenu {
            position: relative;
        }
        .profile-menu-item.has-submenu#socialMediaServicesMenuItem::after {
            content: none;
        }
        .profile-sub-menu {
            list-style: none;
            padding: 0;
            margin: 0;
            display: none;
            overflow: hidden;
            max-height: 0;
            transition: max-height 0.3s ease-out, background-color 0.3s ease;
            background-color: rgba(0,0,0,0.1);
            width: 100%;
            box-sizing: border-box;
        }
        body.light-theme .profile-sub-menu {
            background-color: rgba(0,0,0,0.02);
        }
        .profile-sub-menu.open {
            max-height: 500px;
        }
        .profile-sub-menu-item {
            padding: 10px 20px 10px 45px;
            cursor: pointer;
            font-size: 15px;
            color: var(--inactive-text);
            transition: background-color 0.2s ease, color 0.2s ease;
            display: flex;
            align-items: center;
            position: relative;
        }
        .profile-sub-menu-item:hover {
            background-color: #3A3A3A;
            color: var(--text-color);
        }
        body.light-theme .profile-sub-menu-item:hover {
            background-color: #F0F0F0;
            color: var(--text-color);
        }
        .profile-sub-menu-item .nav-icon {
            filter: none;
        }
        body.light-theme .profile-menu-item.has-submenu::after {
            color: var(--subtitle-text);
        }
        .profile-sub-menu-warning {
            position: absolute;
            top: -5px;
            left: 50%;
            transform: translateX(-50%) translateY(0%);
            background-color: var(--primary-accent);
            color: var(--button-text-dark);
            padding: 5px 10px;
            border-radius: 5px;
            font-size: 0.8em;
            white-space: nowrap;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.3s ease;
            z-index: 10;
            pointer-events: none;
        }
        .profile-sub-menu-item:hover .profile-sub-menu-warning,
        .profile-sub-menu-item.active .profile-sub-menu-warning {
            opacity: 1;
            visibility: visible;
            transform: translateX(-50%) translateY(-100%);
        }
        body.light-theme .profile-sub-menu-warning {
            background-color: #FFD700;
            color: var(--text-color);
        }
        .delete-account-button {
            display: flex;
            align-items: center;
            justify-content: center;
            width: fit-content;
            margin: 20px auto 0 auto;
            padding: 10px 20px;
            background: none;
            color: #EA3323;
            border: 2px solid #EA3323;
            border-radius: 8px;
            font-size: 1.1em;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            text-decoration: none;
            text-transform: uppercase;
            letter-spacing: 0.8px;
            box-shadow: none;
        }
        .delete-account-button:hover {
            background-color: #EA3323;
            color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: 0 4px 10px rgba(234, 51, 35, 0.3);
        }
        .delete-account-button img {
            filter: invert(25%) sepia(90%) saturate(7000%) hue-rotate(340deg) brightness(90%) contrast(100%);
            margin-right: 10px;
            width: 24px;
            height: 24px;
            transition: filter 0.3s ease;
        }
        .delete-account-button:hover img {
            filter: invert(100%) sepia(0%) saturate(7500%) hue-rotate(0deg) brightness(100%) contrast(100%);
        }
        body.light-theme .delete-account-button img {
            filter: invert(25%) sepia(90%) saturate(7000%) hue-rotate(340deg) brightness(90%) contrast(100%);
        }
        body.light-theme .delete-account-button:hover img {
            filter: invert(100%) sepia(0%) saturate(7500%) hue-rotate(0deg) brightness(100%) contrast(100%);
        }
        .delete-account-modal .modal-content {
            max-width: 600px;
        }
        .delete-account-modal .modal-title {
            color: #EA3323;
            border-bottom-color: #EA3323;
        }
        .delete-account-modal .modal-primary-button {
            background: linear-gradient(45deg, #EA3323, #C02A1F);
            color: #FFFFFF;
        }
        .delete-account-modal .modal-primary-button:hover:not(:disabled) {
            box-shadow: 0 8px 18px rgba(234, 51, 35, 0.5);
        }
        .delete-account-modal .modal-secondary-button {
            border-color: #EA3323;
            color: #EA3323;
        }
        .delete-account-modal .modal-secondary-button:hover {
            background-color: #EA3323;
            color: #FFFFFF;
        }
        .delete-account-modal .checkbox-group {
            margin-top: 20px;
            justify-content: center;
        }
        .delete-account-modal .checkbox-group input[type="checkbox"] {
            border-color: #EA3323;
        }
        .delete-account-modal .checkbox-group input[type="checkbox"]:checked {
            background-color: #EA3323;
            border-color: #EA3323;
        }
        .delete-account-modal .checkbox-group input[type="checkbox"]:checked::after {
            color: #FFFFFF;
        }
        .delete-account-modal .modal-message-text {
            text-align: left;
            margin-bottom: 20px;
        }
        .delete-account-modal .modal-message-text strong {
            color: #EA3323;
        }
        .delete-account-modal .modal-message-text ul {
            list-style-type: disc;
            margin-left: 20px;
            margin-top: 10px;
        }
        .delete-account-modal .modal-message-text li {
            margin-bottom: 5px;
        }
        .update-notes-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
            margin-top: 30px;
        }
        .update-note-item {
            background-color: var(--sidebar-bg);
            border: 1px solid var(--border-color);
            border-radius: 12px;
            padding: 20px 25px;
            transition: all 0.3s ease;
            box-shadow: inset 0 1px 3px rgba(0,0,0,0.1);
            color: var(--text-color);
        }
        .update-note-item:hover {
            background-color: var(--hover-bg);
            border-color: var(--primary-accent);
            box-shadow: inset 0 1px 5px rgba(0,0,0,0.15), 0 0 0 3px rgba(var(--primary-accent-rgb), 0.2);
        }
        .update-note-item h3 {
            color: var(--primary-accent);
            font-size: 1.6em;
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            font-weight: 700;
            letter-spacing: -0.5px;
            text-align: left;
        }
        .update-note-item h3 .note-date {
            font-size: 0.7em;
            font-weight: 400;
            color: var(--subtitle-text);
            margin-left: 10px;
        }
        .update-note-item p {
            font-size: 1.0em;
            color: var(--text-color);
            line-height: 1.6;
            white-space: pre-wrap;
            margin-top: 10px;
            text-align: left;
        }
        .error-message {
            color: var(--danger-color);
            font-weight: 600;
            text-align: center;
        }
        body.light-theme .update-note-item:hover {
            border-color: var(--primary-accent);
            box-shadow: inset 0 1px 5px rgba(0,0,0,0.05), 0 0 0 3px rgba(var(--primary-accent-rgb), 0.1);
        }
        body.light-theme .update-note-item {
            background-color: var(--card-bg);
        }