:root {
    --primary-color: #2eb1f9;
    --secondary-color: #5c5ff6;
    --accent-color: #06b6d4;
    --dark-color: #1e293b;
    --light-gray: #f8fafc;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --streaming-color: #ef4444;
    --conference-color: #10b981;
    --streaming-gradient: linear-gradient(45deg, #6366f1, #8b5cf6);
    --primary-blue: #3498db;
    --light-blue: #e3f2fd;
    --darker-blue: #2980b9;
    --text-dark: #2c3e50;
    --border-light: #e1f5fe;
}

.loader-wrapper {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity .5s, visibility .5s
}

.loader-wrapper.hidden {
    opacity: 0;
    visibility: hidden
}

.loader {
    width: 80px;
    height: 80px;
    border: 4px solid rgba(255, 255, 255, .3);
    border-top: 4px solid #fff;
    border-radius: 50%;
    animation: 1s linear infinite spin
}

.loader-text {
    position: absolute;
    bottom: 40%;
    color: #fff;
    font-size: 1.2rem;
    font-weight: 600;
    text-align: center
}

@keyframes spin {
    0% {
        transform: rotate(0)
    }
    100% {
        transform: rotate(360deg)
    }
}

* {
    font-family: Inter, sans-serif
}

body {
    overflow-x: hidden
}

.navbar {
    background: rgba(255, 255, 255, .95) !important;
    backdrop-filter: blur(10px);
    transition: .3s
}

.navbar.scrolled {
    background: rgba(255, 255, 255, .98) !important;
    box-shadow: 0 2px 20px rgba(0, 0, 0, .1)
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--primary-color) !important
}

.dropdown-menu {
    border: none;
    box-shadow: 0 15px 35px rgba(0, 0, 0, .1);
    border-radius: 15px;
    padding: 20px;
    min-width: 280px;
    background: #fff;
    margin-top: 10px
}

.dropdown-item {
    border-radius: 10px;
    padding: 15px 20px;
    margin-bottom: 8px;
    border: 1px solid #f1f5f9;
    transition: .3s;
    display: flex;
    align-items: center;
    background: #f8fafc
}

.dropdown-item:hover {
    background: linear-gradient(45deg, var(--primary-color), var(--secondary-color));
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(99, 102, 241, .3)
}

.dropdown-item i {
    font-size: 1.5rem;
    width: 40px;
    margin-right: 15px;
    text-align: center
}

.dropdown-item .item-content h6 {
    margin: 0;
    font-weight: 600;
    font-size: .95rem
}

.dropdown-item .item-content small {
    opacity: .8;
    font-size: .8rem
}