/* Reset CSS */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: #f5f5f5;
    color: black; /* #333;*/
}
/* Navbar Styles */
/* Custom Styles for Responsive Navigation */
.navbar {
    background: linear-gradient(135deg, #3498db 0%, #3498db 100%); /*linear-gradient(135deg, #667eea 0%, #764ba2 100%);*/
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    padding: 0.8rem 1rem;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar-brand {
    color: white !important;
    font-weight: 700;
    font-size: 1.3rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

    .navbar-brand:hover {
        color: #f8f9fa !important;
    }

.navbar-toggle {
    display: none;
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
}

.navbar-collapse {
    display: flex !important;
    flex-grow: 1;
}

.nav.navbar-nav {
    display: flex;
    flex-direction: row;
    margin: 0;
    padding: 0;
    list-style: none;
}

    .nav.navbar-nav li {
        position: relative;
    }

    .nav.navbar-nav > li > a {
        color: white !important;
        padding: 0.8rem 1.2rem;
        text-decoration: none;
        display: flex;
        align-items: center;
        gap: 0.5rem;
        transition: all 0.3s ease;
        border-radius: 5px;
        margin: 0 0.2rem;
        font-weight: 500;
    }

        .nav.navbar-nav > li > a:hover {
            background-color: rgba(255,255,255,0.1);
            transform: translateY(-2px);
        }

/* Dropdown Styles */
.has-dropdown ul {
    position: absolute;
    top: 100%;
    left: 0;
    background: white;
    min-width: 250px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
    border-radius: 8px;
    padding: 0.5rem 0;
    margin: 0;
    list-style: none;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all 0.3s ease;
    z-index: 1000;
}

.has-dropdown:hover ul {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.has-dropdown ul li {
    width: 100%;
}

.has-dropdown ul a {
    color: #333 !important;
    padding: 0.8rem 1.5rem;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.2s ease;
    border-left: 3px solid transparent;
}

    .has-dropdown ul a:hover {
        background-color: #f8f9fa;
        border-left-color: #667eea;
        color: #667eea !important;
    }

/* Right-aligned navigation */
.nav.navbar-nav.navbar-right {
    margin-left: auto;
}

    .nav.navbar-nav.navbar-right li {
        display: flex;
        align-items: center;
    }

    .nav.navbar-nav.navbar-right a {
        color: white !important;
        text-decoration: none;
        padding: 0.5rem 1rem;
        display: flex;
        align-items: center;
        gap: 0.5rem;
        transition: all 0.3s ease;
        border-radius: 5px;
    }

        .nav.navbar-nav.navbar-right a:hover {
            background-color: rgba(255,255,255,0.1);
        }

/* User info styles */
#liUserName {
    color: white;
    padding: 0.5rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Main content */
.container.body-content {
    padding: 2rem 1rem;
    min-height: calc(100vh - 80px);
}

/* Mobile Styles */
@media (max-width: 991.98px) {
    .navbar-toggle {
        display: block;
    }

    .navbar-collapse {
        display: none !important;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        flex-direction: column;
        padding: 1rem;
    }

        .navbar-collapse.show {
            display: flex !important;
        }

    .nav.navbar-nav {
        flex-direction: column;
        width: 100%;
    }

        .nav.navbar-nav > li {
            width: 100%;
            border-bottom: 1px solid #eee;
        }

            .nav.navbar-nav > li > a {
                color: #333 !important;
                padding: 1rem;
                justify-content: space-between;
            }

        .nav.navbar-nav.navbar-right {
            margin-left: 0;
            border-top: 1px solid #eee;
            padding-top: 1rem;
        }

            .nav.navbar-nav.navbar-right li {
                width: 100%;
            }

            .nav.navbar-nav.navbar-right a {
                color: #333 !important;
                padding: 1rem;
                justify-content: flex-start;
            }

    /* Dropdown in mobile */
    .has-dropdown ul {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        background: #f8f9fa;
        display: none;
        margin-left: 1rem;
    }

        .has-dropdown ul.show {
            display: block;
        }

    .has-dropdown > a::after {
        content: '\f107';
        font-family: 'Font Awesome 6 Free';
        font-weight: 900;
        margin-left: auto;
        transition: transform 0.3s ease;
    }

    .has-dropdown > a.active::after {
        transform: rotate(180deg);
    }
}

/* Desktop hover effects */
@media (min-width: 992px) {
    .has-dropdown > a::after {
        content: '\f107';
        font-family: 'Font Awesome 6 Free';
        font-weight: 900;
        margin-left: 0.5rem;
        transition: transform 0.3s ease;
    }

    .has-dropdown:hover > a::after {
        transform: rotate(180deg);
    }
}

/* Loading animation */
.loading {
    opacity: 0.7;
    pointer-events: none;
}

/* Custom scrollbar for dropdowns */
.has-dropdown ul {
    max-height: 70vh;
    overflow-y: auto;
}

    .has-dropdown ul::-webkit-scrollbar {
        width: 6px;
    }

    .has-dropdown ul::-webkit-scrollbar-track {
        background: #f1f1f1;
        border-radius: 3px;
    }

    .has-dropdown ul::-webkit-scrollbar-thumb {
        background: #c1c1c1;
        border-radius: 3px;
    }

        .has-dropdown ul::-webkit-scrollbar-thumb:hover {
            background: #a8a8a8;
        }
/* Content Styles */
.container {
    max-width: 100%;
    margin: 20px auto;
    padding: 0 20px;
}

.content {
    background: white;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
}

h1 {
    max-width: 100%;
    color: #2c3e50;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 3px solid #3498db;
    display: inline-block;
    text-align: center;
}

p {
    margin-bottom: 20px;
    line-height: 1.8;
    font-size: 1.1em;
}

.demo-section {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

.demo-card {
    background: #f8f9fa;
    padding: 25px;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    transition: transform 0.3s ease;
}

    .demo-card:hover {
        transform: translateY(-5px);
    }

    .demo-card h3 {
        color: #2c3e50;
        margin-bottom: 15px;
        display: flex;
        align-items: center;
        gap: 10px;
    }

        .demo-card h3 i {
            color: #3498db;
        }

.device-demo {
    background: #2c3e50;
    border-radius: 8px;
    padding: 15px;
    margin-top: 15px;
    color: white;
    font-family: monospace;
}

/* Footer */
.footer {
    background: #207cca;
    text-align: center;
    padding: 20px;
    margin-top: 40px;
    color: #7f8c8d;
    border-top: 1px solid #e0e0e0;
}
.message-box {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
    z-index: 100;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: box-shadow 0.3s ease;
}

.message-box-container {
    background-color: white;
    border-radius: 5px;
    width: 400px;
    box-shadow: 0 0 10px rgba(0,0,0,0.8);
}

.message-box-header {
    padding: 10px 15px;
    border-bottom: 1px solid #ddd;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #528ECC
}

.message-box-title {
    font-weight: bold;
    font-size: 16px;
    color: white;
}

.message-box-close {
    background: none;
    border: none;
    font-size: 20px;
    cursor: pointer;
}

.message-box-body {
    padding: 5px 10px;
}

.message-box-footer {
    padding: 10px 5px;
    border-top: 1px solid #ddd;
    text-align: right;
}

.message-box-button {
    padding: 5px 15px;
    margin-left: 10px;
    cursor: pointer;
    color: #c91025;
}