nav .nav-toggle {
    display: none;
    appearance: none;
    border: 0;
    background: rgba(0, 0, 0, 0.03);
    border-radius: 14px;
    padding: 10px 12px;
    cursor: pointer;
    transition: transform 250ms cubic-bezier(0.4, 0, 0.2, 1), background 250ms cubic-bezier(0.4, 0, 0.2, 1), box-shadow 250ms cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.04) inset;
}

nav .nav-toggle:hover {
    background: rgba(30, 136, 229, 0.08);
    transform: translateY(-1px);
}

nav .nav-toggle:active {
    transform: translateY(0);
}

nav .nav-toggle-lines {
    width: 18px;
    height: 14px;
    display: grid;
    align-content: space-between;
}

nav .nav-toggle-lines span {
    display: block;
    height: 2px;
    width: 100%;
    border-radius: 999px;
    background: linear-gradient(90deg, rgba(30, 136, 229, 0.9), rgba(67, 160, 71, 0.9));
    transition: transform 250ms cubic-bezier(0.4, 0, 0.2, 1), opacity 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

body.nav-menu-open nav .nav-toggle-lines span:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
}

body.nav-menu-open nav .nav-toggle-lines span:nth-child(2) {
    opacity: 0;
}

body.nav-menu-open nav .nav-toggle-lines span:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
}

.nav-drawer-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.18);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 250ms cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 999;
}

body.nav-menu-open .nav-drawer-overlay {
    opacity: 1;
    pointer-events: auto;
}

.nav-drawer {
    position: fixed;
    left: 16px;
    right: 16px;
    top: 84px;
    z-index: 1001;
    transform: translateY(-10px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 250ms cubic-bezier(0.4, 0, 0.2, 1), transform 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

body.nav-menu-open .nav-drawer {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
}

.nav-drawer-inner {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.92), rgba(248, 250, 252, 0.88));
    border: 1px solid rgba(255, 255, 255, 0.65);
    border-radius: 20px;
    box-shadow: 0 0 0 1px rgba(255, 255, 255, 0.5) inset, 0 24px 80px rgba(0, 0, 0, 0.18), 0 10px 24px rgba(0, 0, 0, 0.10);
    overflow: hidden;
}

.nav-drawer-links {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    padding: 14px;
}

.nav-drawer-links a {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 12px 12px;
    border-radius: 16px;
    text-decoration: none;
    font-size: 14px;
    font-weight: 600;
    letter-spacing: -0.01em;
    color: rgba(17, 24, 39, 0.86);
    background: rgba(0, 0, 0, 0.03);
    border: 1px solid rgba(0, 0, 0, 0.04);
    transition: transform 250ms cubic-bezier(0.4, 0, 0.2, 1), background 250ms cubic-bezier(0.4, 0, 0.2, 1), box-shadow 250ms cubic-bezier(0.4, 0, 0.2, 1), color 250ms cubic-bezier(0.4, 0, 0.2, 1);
}

.nav-drawer-links a:hover {
    background: rgba(30, 136, 229, 0.10);
    color: rgba(30, 136, 229, 0.95);
    transform: translateY(-1px);
}

.nav-drawer-links a.active {
    background: linear-gradient(135deg, rgba(30, 136, 229, 0.92), rgba(21, 101, 192, 0.92));
    color: #fff;
    border-color: rgba(255, 255, 255, 0.25);
    box-shadow: 0 10px 24px rgba(30, 136, 229, 0.28), 0 0 0 1px rgba(255, 255, 255, 0.18) inset;
}

@media (max-width: 768px) {
    nav .nav-toggle {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        margin-left: 12px;
    }

    nav .container {
        gap: 12px;
    }

    nav .logo {
        padding: 6px 10px;
        border-radius: 14px;
    }

    nav .user-area {
        margin-left: 12px;
        gap: 10px;
    }

    .nav-drawer {
        top: 76px;
    }
}

@media (max-width: 420px) {
    .nav-drawer-links {
        grid-template-columns: 1fr;
    }
}