.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(20, 20, 28, 0.55);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    padding: 16px 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.logo {
    font-size: 1.5em;
    font-weight: 700;
    color: #ffffff;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
}

.nav-links {
    display: flex;
    gap: 24px;
    align-items: center;
    flex-wrap: wrap;
}

.nav-links a {
    color: #d0d0e0;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
    font-size: 0.95em;
}

.nav-links a:not(.btn-auth):hover {
    color: var(--accent-1);
}

.btn-auth {
    background: var(--accent-gradient);
    color: white;
    padding: 10px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: transform 0.45s cubic-bezier(0.2, 0.8, 0.2, 1), box-shadow 0.45s cubic-bezier(0.2, 0.8, 0.2, 1), filter 0.45s cubic-bezier(0.2, 0.8, 0.2, 1);
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 12px 26px rgba(var(--accent-1-rgb), 0.18);
    transform: translateY(0);
    will-change: transform;
}

.btn-auth:visited,
.btn-auth:hover,
.btn-auth:focus,
.btn-auth:active {
    color: white;
}

.btn-auth:hover {
    transform: translateY(-0.5px);
    box-shadow: 0 14px 30px rgba(var(--accent-1-rgb), 0.24);
    filter: brightness(1.06);
}

.language-selector {
    position: relative;
    display: inline-block;
}

.language-btn {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(var(--accent-1-rgb), 0.3);
    color: #d0d0e0;
    padding: 8px 16px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 500;
    font-size: 0.9em;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: all 0.3s;
}

.language-btn:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(var(--accent-1-rgb), 0.5);
}

.language-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 8px;
    background: rgba(26, 26, 46, 0.95);
    border: 1px solid rgba(var(--accent-1-rgb), 0.3);
    border-radius: 8px;
    min-width: 150px;
    display: none;
    z-index: 1000;
    backdrop-filter: blur(10px);
}

.language-dropdown.show {
    display: block;
}

.language-item {
    padding: 12px 16px;
    color: #d0d0e0;
    text-decoration: none;
    display: block;
    transition: all 0.3s;
    cursor: pointer;
}

.language-item:hover {
    background: rgba(var(--accent-1-rgb), 0.2);
    color: var(--accent-1);
}

.language-item.active {
    background: rgba(var(--accent-1-rgb), 0.3);
    color: var(--accent-1);
}

@media (max-width: 768px) {
    .theme-switch-wrap {
        order: 1;
    }

    .nav-container {
        flex-direction: column;
        gap: 16px;
    }

    .nav-links {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .btn-auth {
        width: 100%;
        justify-content: center;
    }
}


.theme-switch-wrap {
    display: inline-flex;
    align-items: center;
}

.switch {
    font-size: 17px;
    position: relative;
    display: inline-block;
    width: 4em;
    height: 2.2em;
    border-radius: 30px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    flex-shrink: 0;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    inset: 0;
    background-color: #2a2a2a;
    transition: 0.4s;
    border-radius: 30px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.slider:before {
    position: absolute;
    content: "";
    height: 1.2em;
    width: 1.2em;
    border-radius: 20px;
    left: 0.5em;
    bottom: 0.45em;
    transition: 0.4s;
    transition-timing-function: cubic-bezier(0.81, -0.04, 0.38, 1.5);
    box-shadow: inset 8px -4px 0px 0px #fff;
}

.switch input:checked + .slider {
    background-color: #00a6ff;
}

.switch input:checked + .slider:before {
    transform: translateX(1.8em);
    box-shadow: inset 15px -4px 0px 15px #ffcf48;
}

.star {
    background-color: #fff;
    border-radius: 50%;
    position: absolute;
    width: 5px;
    transition: all 0.4s;
    height: 5px;
}

.star_1 {
    left: 2.5em;
    top: 0.5em;
}

.star_2 {
    left: 2.2em;
    top: 1.2em;
}

.star_3 {
    left: 3em;
    top: 0.9em;
}

.switch input:checked + .slider .star {
    opacity: 0;
}

.cloud {
    width: 3.5em;
    position: absolute;
    bottom: -1.4em;
    left: -1.1em;
    opacity: 0;
    transition: all 0.4s;
}

.switch input:checked + .slider .cloud {
    opacity: 1;
}